| File: | var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h |
| Warning: | line 1191, column 38 Dereference of null pointer (loaded from field 'mKeyHash') |
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| 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |||
| 2 | /* vim: set ts=8 sts=2 et sw=2 tw=80: */ | |||
| 3 | /* This Source Code Form is subject to the terms of the Mozilla Public | |||
| 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this | |||
| 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |||
| 6 | ||||
| 7 | #include "mozilla/Assertions.h" | |||
| 8 | #include "mozilla/ScopeExit.h" | |||
| 9 | #include "nsGlobalWindowOuter.h" | |||
| 10 | #include "nsGlobalWindowInner.h" | |||
| 11 | ||||
| 12 | #include <algorithm> | |||
| 13 | ||||
| 14 | #include "mozilla/MemoryReporting.h" | |||
| 15 | ||||
| 16 | // Local Includes | |||
| 17 | #include "Navigator.h" | |||
| 18 | #include "nsContentSecurityManager.h" | |||
| 19 | #include "nsGlobalWindowOuter.h" | |||
| 20 | #include "nsScreen.h" | |||
| 21 | #include "nsHistory.h" | |||
| 22 | #include "nsDOMNavigationTiming.h" | |||
| 23 | #include "nsIDOMStorageManager.h" | |||
| 24 | #include "nsISecureBrowserUI.h" | |||
| 25 | #include "nsIWebProgressListener.h" | |||
| 26 | #include "mozilla/AntiTrackingUtils.h" | |||
| 27 | #include "mozilla/Result.h" | |||
| 28 | #include "mozilla/dom/AutoPrintEventDispatcher.h" | |||
| 29 | #include "mozilla/dom/BindingUtils.h" | |||
| 30 | #include "mozilla/dom/BrowserChild.h" | |||
| 31 | #include "mozilla/dom/BrowsingContextBinding.h" | |||
| 32 | #include "mozilla/dom/CanonicalBrowsingContext.h" | |||
| 33 | #include "mozilla/dom/ContentChild.h" | |||
| 34 | #include "mozilla/dom/ContentFrameMessageManager.h" | |||
| 35 | #include "mozilla/dom/DocumentInlines.h" | |||
| 36 | #include "mozilla/dom/EventTarget.h" | |||
| 37 | #include "mozilla/dom/HTMLIFrameElement.h" | |||
| 38 | #include "mozilla/dom/LocalStorage.h" | |||
| 39 | #include "mozilla/dom/LSObject.h" | |||
| 40 | #include "mozilla/dom/Storage.h" | |||
| 41 | #include "mozilla/dom/MaybeCrossOriginObject.h" | |||
| 42 | #include "mozilla/dom/Performance.h" | |||
| 43 | #include "mozilla/dom/ProxyHandlerUtils.h" | |||
| 44 | #include "mozilla/dom/StorageEvent.h" | |||
| 45 | #include "mozilla/dom/StorageEventBinding.h" | |||
| 46 | #include "mozilla/dom/StorageNotifierService.h" | |||
| 47 | #include "mozilla/dom/StorageUtils.h" | |||
| 48 | #include "mozilla/dom/Timeout.h" | |||
| 49 | #include "mozilla/dom/TimeoutHandler.h" | |||
| 50 | #include "mozilla/dom/TimeoutManager.h" | |||
| 51 | #include "mozilla/dom/UserActivation.h" | |||
| 52 | #include "mozilla/dom/WindowContext.h" | |||
| 53 | #include "mozilla/dom/WindowFeatures.h" // WindowFeatures | |||
| 54 | #include "mozilla/dom/WindowProxyHolder.h" | |||
| 55 | #include "mozilla/IntegerPrintfMacros.h" | |||
| 56 | #include "mozilla/StorageAccessAPIHelper.h" | |||
| 57 | #include "nsBaseCommandController.h" | |||
| 58 | #include "nsError.h" | |||
| 59 | #include "nsICookieService.h" | |||
| 60 | #include "nsISizeOfEventTarget.h" | |||
| 61 | #include "nsDOMJSUtils.h" | |||
| 62 | #include "nsArrayUtils.h" | |||
| 63 | #include "nsIDocShellTreeOwner.h" | |||
| 64 | #include "nsIInterfaceRequestorUtils.h" | |||
| 65 | #include "nsIPermissionManager.h" | |||
| 66 | #include "nsIScriptContext.h" | |||
| 67 | #include "nsWindowMemoryReporter.h" | |||
| 68 | #include "nsWindowSizes.h" | |||
| 69 | #include "WindowNamedPropertiesHandler.h" | |||
| 70 | #include "nsFrameSelection.h" | |||
| 71 | #include "nsNetUtil.h" | |||
| 72 | #include "nsVariant.h" | |||
| 73 | #include "nsPrintfCString.h" | |||
| 74 | #include "mozilla/intl/LocaleService.h" | |||
| 75 | #include "WindowDestroyedEvent.h" | |||
| 76 | #include "nsDocShellLoadState.h" | |||
| 77 | #include "mozilla/dom/WindowGlobalChild.h" | |||
| 78 | ||||
| 79 | // Helper Classes | |||
| 80 | #include "nsJSUtils.h" | |||
| 81 | #include "jsapi.h" | |||
| 82 | #include "jsfriendapi.h" | |||
| 83 | #include "js/CallAndConstruct.h" // JS::Call | |||
| 84 | #include "js/friend/StackLimits.h" // js::AutoCheckRecursionLimit | |||
| 85 | #include "js/friend/WindowProxy.h" // js::IsWindowProxy, js::SetWindowProxy | |||
| 86 | #include "js/PropertyAndElement.h" // JS_DefineObject, JS_GetProperty | |||
| 87 | #include "js/PropertySpec.h" | |||
| 88 | #include "js/RealmIterators.h" | |||
| 89 | #include "js/Wrapper.h" | |||
| 90 | #include "nsLayoutUtils.h" | |||
| 91 | #include "nsReadableUtils.h" | |||
| 92 | #include "nsJSEnvironment.h" | |||
| 93 | #include "mozilla/dom/ScriptSettings.h" | |||
| 94 | #include "mozilla/Preferences.h" | |||
| 95 | #include "mozilla/Likely.h" | |||
| 96 | #include "mozilla/SchedulerGroup.h" | |||
| 97 | #include "mozilla/SpinEventLoopUntil.h" | |||
| 98 | #include "mozilla/Sprintf.h" | |||
| 99 | #include "mozilla/Unused.h" | |||
| 100 | ||||
| 101 | // Other Classes | |||
| 102 | #include "mozilla/dom/BarProps.h" | |||
| 103 | #include "nsLayoutStatics.h" | |||
| 104 | #include "nsCCUncollectableMarker.h" | |||
| 105 | #include "mozilla/dom/WorkerCommon.h" | |||
| 106 | #include "mozilla/dom/ToJSValue.h" | |||
| 107 | #include "nsJSPrincipals.h" | |||
| 108 | #include "mozilla/Attributes.h" | |||
| 109 | #include "mozilla/Components.h" | |||
| 110 | #include "mozilla/Debug.h" | |||
| 111 | #include "mozilla/EventListenerManager.h" | |||
| 112 | #include "mozilla/MouseEvents.h" | |||
| 113 | #include "mozilla/PresShell.h" | |||
| 114 | #include "mozilla/ProcessHangMonitor.h" | |||
| 115 | #include "mozilla/StaticPrefs_dom.h" | |||
| 116 | #include "mozilla/StaticPrefs_full_screen_api.h" | |||
| 117 | #include "mozilla/StaticPrefs_print.h" | |||
| 118 | #include "mozilla/StaticPrefs_fission.h" | |||
| 119 | #include "mozilla/ThrottledEventQueue.h" | |||
| 120 | #include "AudioChannelService.h" | |||
| 121 | #include "nsAboutProtocolUtils.h" | |||
| 122 | #include "nsCharTraits.h" // NS_IS_HIGH/LOW_SURROGATE | |||
| 123 | #include "PostMessageEvent.h" | |||
| 124 | #include "mozilla/dom/DocGroup.h" | |||
| 125 | #include "mozilla/net/CookieJarSettings.h" | |||
| 126 | ||||
| 127 | // Interfaces Needed | |||
| 128 | #include "nsIFrame.h" | |||
| 129 | #include "nsCanvasFrame.h" | |||
| 130 | #include "nsIWidget.h" | |||
| 131 | #include "nsIWidgetListener.h" | |||
| 132 | #include "nsIBaseWindow.h" | |||
| 133 | #include "nsIDeviceSensors.h" | |||
| 134 | #include "nsIContent.h" | |||
| 135 | #include "nsIDocShell.h" | |||
| 136 | #include "mozilla/dom/Document.h" | |||
| 137 | #include "Crypto.h" | |||
| 138 | #include "nsDOMString.h" | |||
| 139 | #include "nsThreadUtils.h" | |||
| 140 | #include "nsILoadContext.h" | |||
| 141 | #include "nsView.h" | |||
| 142 | #include "nsViewManager.h" | |||
| 143 | #include "nsIPrompt.h" | |||
| 144 | #include "nsIPromptService.h" | |||
| 145 | #include "nsIPromptFactory.h" | |||
| 146 | #include "nsIWritablePropertyBag2.h" | |||
| 147 | #include "nsIWebNavigation.h" | |||
| 148 | #include "nsIWebBrowserChrome.h" | |||
| 149 | #include "nsIWebBrowserFind.h" // For window.find() | |||
| 150 | #include "nsComputedDOMStyle.h" | |||
| 151 | #include "nsDOMCID.h" | |||
| 152 | #include "nsDOMWindowUtils.h" | |||
| 153 | #include "nsIWindowWatcher.h" | |||
| 154 | #include "nsPIWindowWatcher.h" | |||
| 155 | #include "nsIDocumentViewer.h" | |||
| 156 | #include "nsIScriptError.h" | |||
| 157 | #include "nsISHistory.h" | |||
| 158 | #include "nsIControllers.h" | |||
| 159 | #include "nsGlobalWindowCommands.h" | |||
| 160 | #include "nsQueryObject.h" | |||
| 161 | #include "nsContentUtils.h" | |||
| 162 | #include "nsCSSProps.h" | |||
| 163 | #include "nsIURIFixup.h" | |||
| 164 | #include "nsIURIMutator.h" | |||
| 165 | #include "mozilla/EventDispatcher.h" | |||
| 166 | #include "mozilla/EventStateManager.h" | |||
| 167 | #include "mozilla/ScrollContainerFrame.h" | |||
| 168 | #include "nsIObserverService.h" | |||
| 169 | #include "nsFocusManager.h" | |||
| 170 | #include "nsIAppWindow.h" | |||
| 171 | #include "nsServiceManagerUtils.h" | |||
| 172 | #include "mozilla/dom/CustomEvent.h" | |||
| 173 | #include "nsIScreenManager.h" | |||
| 174 | #include "nsIClassifiedChannel.h" | |||
| 175 | #include "nsIXULRuntime.h" | |||
| 176 | #include "xpcprivate.h" | |||
| 177 | ||||
| 178 | #ifdef NS_PRINTING1 | |||
| 179 | # include "nsIPrintSettings.h" | |||
| 180 | # include "nsIPrintSettingsService.h" | |||
| 181 | # include "nsIWebBrowserPrint.h" | |||
| 182 | #endif | |||
| 183 | ||||
| 184 | #include "nsWindowRoot.h" | |||
| 185 | #include "nsNetCID.h" | |||
| 186 | #include "nsIArray.h" | |||
| 187 | ||||
| 188 | #include "nsIDOMXULCommandDispatcher.h" | |||
| 189 | ||||
| 190 | #include "mozilla/GlobalKeyListener.h" | |||
| 191 | ||||
| 192 | #include "nsIDragService.h" | |||
| 193 | #include "mozilla/dom/Element.h" | |||
| 194 | #include "mozilla/dom/Selection.h" | |||
| 195 | #include "nsFrameLoader.h" | |||
| 196 | #include "nsFrameLoaderOwner.h" | |||
| 197 | #include "nsXPCOMCID.h" | |||
| 198 | #include "mozilla/Logging.h" | |||
| 199 | #include "mozilla/ProfilerMarkers.h" | |||
| 200 | #include "prenv.h" | |||
| 201 | ||||
| 202 | #include "mozilla/dom/IDBFactory.h" | |||
| 203 | #include "mozilla/dom/MessageChannel.h" | |||
| 204 | #include "mozilla/dom/Promise.h" | |||
| 205 | ||||
| 206 | #include "mozilla/dom/Gamepad.h" | |||
| 207 | #include "mozilla/dom/GamepadManager.h" | |||
| 208 | ||||
| 209 | #include "gfxVR.h" | |||
| 210 | #include "VRShMem.h" | |||
| 211 | #include "FxRWindowManager.h" | |||
| 212 | #include "mozilla/dom/VRDisplay.h" | |||
| 213 | #include "mozilla/dom/VRDisplayEvent.h" | |||
| 214 | #include "mozilla/dom/VRDisplayEventBinding.h" | |||
| 215 | #include "mozilla/dom/VREventObserver.h" | |||
| 216 | ||||
| 217 | #include "nsRefreshDriver.h" | |||
| 218 | ||||
| 219 | #include "mozilla/extensions/WebExtensionPolicy.h" | |||
| 220 | ||||
| 221 | #include "mozilla/BasePrincipal.h" | |||
| 222 | #include "mozilla/Services.h" | |||
| 223 | #include "mozilla/Telemetry.h" | |||
| 224 | #include "mozilla/dom/Location.h" | |||
| 225 | #include "nsHTMLDocument.h" | |||
| 226 | #include "nsWrapperCacheInlines.h" | |||
| 227 | #include "mozilla/DOMEventTargetHelper.h" | |||
| 228 | #include "prrng.h" | |||
| 229 | #include "nsSandboxFlags.h" | |||
| 230 | #include "nsXULControllers.h" | |||
| 231 | #include "mozilla/dom/AudioContext.h" | |||
| 232 | #include "mozilla/dom/BrowserElementDictionariesBinding.h" | |||
| 233 | #include "mozilla/dom/BrowsingContextGroup.h" | |||
| 234 | #include "mozilla/dom/cache/CacheStorage.h" | |||
| 235 | #include "mozilla/dom/Console.h" | |||
| 236 | #include "mozilla/dom/Fetch.h" | |||
| 237 | #include "mozilla/dom/FunctionBinding.h" | |||
| 238 | #include "mozilla/dom/HashChangeEvent.h" | |||
| 239 | #include "mozilla/dom/IntlUtils.h" | |||
| 240 | #include "mozilla/dom/PopStateEvent.h" | |||
| 241 | #include "mozilla/dom/PopupBlockedEvent.h" | |||
| 242 | #include "mozilla/dom/PrimitiveConversions.h" | |||
| 243 | #include "mozilla/dom/WindowBinding.h" | |||
| 244 | #include "nsIBrowserChild.h" | |||
| 245 | #include "mozilla/dom/MediaQueryList.h" | |||
| 246 | #include "mozilla/dom/NavigatorBinding.h" | |||
| 247 | #include "mozilla/dom/ImageBitmap.h" | |||
| 248 | #include "mozilla/dom/ImageBitmapBinding.h" | |||
| 249 | #include "mozilla/dom/ServiceWorkerRegistration.h" | |||
| 250 | #include "mozilla/dom/WebIDLGlobalNameHash.h" | |||
| 251 | #include "mozilla/dom/Worklet.h" | |||
| 252 | #include "AccessCheck.h" | |||
| 253 | ||||
| 254 | #ifdef MOZ_WEBSPEECH1 | |||
| 255 | # include "mozilla/dom/SpeechSynthesis.h" | |||
| 256 | #endif | |||
| 257 | ||||
| 258 | #ifdef ANDROID | |||
| 259 | # include <android/log.h> | |||
| 260 | #endif | |||
| 261 | ||||
| 262 | #ifdef XP_WIN | |||
| 263 | # include <process.h> | |||
| 264 | # define getpid _getpid | |||
| 265 | #else | |||
| 266 | # include <unistd.h> // for getpid() | |||
| 267 | #endif | |||
| 268 | ||||
| 269 | using namespace mozilla; | |||
| 270 | using namespace mozilla::dom; | |||
| 271 | using namespace mozilla::dom::ipc; | |||
| 272 | using mozilla::BasePrincipal; | |||
| 273 | using mozilla::OriginAttributes; | |||
| 274 | using mozilla::TimeStamp; | |||
| 275 | using mozilla::layout::RemotePrintJobChild; | |||
| 276 | ||||
| 277 | static inline nsGlobalWindowInner* GetCurrentInnerWindowInternal( | |||
| 278 | const nsGlobalWindowOuter* aOuter) { | |||
| 279 | return nsGlobalWindowInner::Cast(aOuter->GetCurrentInnerWindow()); | |||
| 280 | } | |||
| 281 | ||||
| 282 | #define FORWARD_TO_INNER(method, args, err_rval)do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 282); return err_rval; } return GetCurrentInnerWindowInternal (this)->method args; } while (0) \ | |||
| 283 | PR_BEGIN_MACROdo { \ | |||
| 284 | if (!mInnerWindow) { \ | |||
| 285 | NS_WARNING("No inner window available!")NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 285); \ | |||
| 286 | return err_rval; \ | |||
| 287 | } \ | |||
| 288 | return GetCurrentInnerWindowInternal(this)->method args; \ | |||
| 289 | PR_END_MACRO} while (0) | |||
| 290 | ||||
| 291 | #define FORWARD_TO_INNER_VOID(method, args)do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 291); return; } GetCurrentInnerWindowInternal(this)->method args; return; } while (0) \ | |||
| 292 | PR_BEGIN_MACROdo { \ | |||
| 293 | if (!mInnerWindow) { \ | |||
| 294 | NS_WARNING("No inner window available!")NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 294); \ | |||
| 295 | return; \ | |||
| 296 | } \ | |||
| 297 | GetCurrentInnerWindowInternal(this)->method args; \ | |||
| 298 | return; \ | |||
| 299 | PR_END_MACRO} while (0) | |||
| 300 | ||||
| 301 | // Same as FORWARD_TO_INNER, but this will create a fresh inner if an | |||
| 302 | // inner doesn't already exists. | |||
| 303 | #define FORWARD_TO_INNER_CREATE(method, args, err_rval)do { if (!mInnerWindow) { if (mIsClosed) { return err_rval; } nsCOMPtr<Document> kungFuDeathGrip = GetDoc(); ::mozilla ::Unused << kungFuDeathGrip; if (!mInnerWindow) { return err_rval; } } return GetCurrentInnerWindowInternal(this)-> method args; } while (0) \ | |||
| 304 | PR_BEGIN_MACROdo { \ | |||
| 305 | if (!mInnerWindow) { \ | |||
| 306 | if (mIsClosed) { \ | |||
| 307 | return err_rval; \ | |||
| 308 | } \ | |||
| 309 | nsCOMPtr<Document> kungFuDeathGrip = GetDoc(); \ | |||
| 310 | ::mozilla::Unused << kungFuDeathGrip; \ | |||
| 311 | if (!mInnerWindow) { \ | |||
| 312 | return err_rval; \ | |||
| 313 | } \ | |||
| 314 | } \ | |||
| 315 | return GetCurrentInnerWindowInternal(this)->method args; \ | |||
| 316 | PR_END_MACRO} while (0) | |||
| 317 | ||||
| 318 | static LazyLogModule gDOMLeakPRLogOuter("DOMLeakOuter"); | |||
| 319 | extern LazyLogModule gPageCacheLog; | |||
| 320 | ||||
| 321 | #ifdef DEBUG1 | |||
| 322 | static LazyLogModule gDocShellAndDOMWindowLeakLogging( | |||
| 323 | "DocShellAndDOMWindowLeak"); | |||
| 324 | #endif | |||
| 325 | ||||
| 326 | nsGlobalWindowOuter::OuterWindowByIdTable* | |||
| 327 | nsGlobalWindowOuter::sOuterWindowsById = nullptr; | |||
| 328 | ||||
| 329 | /* static */ | |||
| 330 | nsPIDOMWindowOuter* nsPIDOMWindowOuter::GetFromCurrentInner( | |||
| 331 | nsPIDOMWindowInner* aInner) { | |||
| 332 | if (!aInner) { | |||
| 333 | return nullptr; | |||
| 334 | } | |||
| 335 | ||||
| 336 | nsPIDOMWindowOuter* outer = aInner->GetOuterWindow(); | |||
| 337 | if (!outer || outer->GetCurrentInnerWindow() != aInner) { | |||
| 338 | return nullptr; | |||
| 339 | } | |||
| 340 | ||||
| 341 | return outer; | |||
| 342 | } | |||
| 343 | ||||
| 344 | //***************************************************************************** | |||
| 345 | // nsOuterWindowProxy: Outer Window Proxy | |||
| 346 | //***************************************************************************** | |||
| 347 | ||||
| 348 | // Give OuterWindowProxyClass 2 reserved slots, like the other wrappers, so | |||
| 349 | // JSObject::swap can swap it with CrossCompartmentWrappers without requiring | |||
| 350 | // malloc. | |||
| 351 | // | |||
| 352 | // We store the nsGlobalWindowOuter* in our first slot. | |||
| 353 | // | |||
| 354 | // We store our holder weakmap in the second slot. | |||
| 355 | const JSClass OuterWindowProxyClass = PROXY_CLASS_DEF({"Proxy", JSClass::NON_NATIVE | JSCLASS_IS_PROXY | JSCLASS_DELAY_METADATA_BUILDER | js::CheckProxyFlags<JSCLASS_HAS_RESERVED_SLOTS(2)>() , &js::ProxyClassOps, JS_NULL_CLASS_SPEC, &js::ProxyClassExtension , &js::ProxyObjectOps} | |||
| 356 | "Proxy", JSCLASS_HAS_RESERVED_SLOTS(2)){"Proxy", JSClass::NON_NATIVE | JSCLASS_IS_PROXY | JSCLASS_DELAY_METADATA_BUILDER | js::CheckProxyFlags<JSCLASS_HAS_RESERVED_SLOTS(2)>() , &js::ProxyClassOps, JS_NULL_CLASS_SPEC, &js::ProxyClassExtension , &js::ProxyObjectOps}; /* additional class flags */ | |||
| 357 | ||||
| 358 | static const size_t OUTER_WINDOW_SLOT = 0; | |||
| 359 | static const size_t HOLDER_WEAKMAP_SLOT = 1; | |||
| 360 | ||||
| 361 | class nsOuterWindowProxy : public MaybeCrossOriginObject<js::Wrapper> { | |||
| 362 | using Base = MaybeCrossOriginObject<js::Wrapper>; | |||
| 363 | ||||
| 364 | public: | |||
| 365 | constexpr nsOuterWindowProxy() : Base(0) {} | |||
| 366 | ||||
| 367 | bool finalizeInBackground(const JS::Value& priv) const override { | |||
| 368 | return false; | |||
| 369 | } | |||
| 370 | ||||
| 371 | // Standard internal methods | |||
| 372 | /** | |||
| 373 | * Implementation of [[GetOwnProperty]] as defined at | |||
| 374 | * https://html.spec.whatwg.org/multipage/window-object.html#windowproxy-getownproperty | |||
| 375 | * | |||
| 376 | * "proxy" is the WindowProxy object involved. It may not be same-compartment | |||
| 377 | * with cx. | |||
| 378 | */ | |||
| 379 | bool getOwnPropertyDescriptor( | |||
| 380 | JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, | |||
| 381 | JS::MutableHandle<Maybe<JS::PropertyDescriptor>> desc) const override; | |||
| 382 | ||||
| 383 | /* | |||
| 384 | * Implementation of the same-origin case of | |||
| 385 | * <https://html.spec.whatwg.org/multipage/window-object.html#windowproxy-getownproperty>. | |||
| 386 | */ | |||
| 387 | bool definePropertySameOrigin(JSContext* cx, JS::Handle<JSObject*> proxy, | |||
| 388 | JS::Handle<jsid> id, | |||
| 389 | JS::Handle<JS::PropertyDescriptor> desc, | |||
| 390 | JS::ObjectOpResult& result) const override; | |||
| 391 | ||||
| 392 | /** | |||
| 393 | * Implementation of [[OwnPropertyKeys]] as defined at | |||
| 394 | * | |||
| 395 | * https://html.spec.whatwg.org/multipage/window-object.html#windowproxy-ownpropertykeys | |||
| 396 | * | |||
| 397 | * "proxy" is the WindowProxy object involved. It may not be same-compartment | |||
| 398 | * with cx. | |||
| 399 | */ | |||
| 400 | bool ownPropertyKeys(JSContext* cx, JS::Handle<JSObject*> proxy, | |||
| 401 | JS::MutableHandleVector<jsid> props) const override; | |||
| 402 | /** | |||
| 403 | * Implementation of [[Delete]] as defined at | |||
| 404 | * https://html.spec.whatwg.org/multipage/window-object.html#windowproxy-delete | |||
| 405 | * | |||
| 406 | * "proxy" is the WindowProxy object involved. It may not be same-compartment | |||
| 407 | * with cx. | |||
| 408 | */ | |||
| 409 | bool delete_(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, | |||
| 410 | JS::ObjectOpResult& result) const override; | |||
| 411 | ||||
| 412 | /** | |||
| 413 | * Implementaton of hook for superclass getPrototype() method. | |||
| 414 | */ | |||
| 415 | JSObject* getSameOriginPrototype(JSContext* cx) const override; | |||
| 416 | ||||
| 417 | /** | |||
| 418 | * Implementation of [[HasProperty]] internal method as defined at | |||
| 419 | * https://tc39.github.io/ecma262/#sec-ordinary-object-internal-methods-and-internal-slots-hasproperty-p | |||
| 420 | * | |||
| 421 | * "proxy" is the WindowProxy object involved. It may not be same-compartment | |||
| 422 | * with cx. | |||
| 423 | * | |||
| 424 | * Note that the HTML spec does not define an override for this internal | |||
| 425 | * method, so we just want the "normal object" behavior. We have to override | |||
| 426 | * it, because js::Wrapper also overrides, with "not normal" behavior. | |||
| 427 | */ | |||
| 428 | bool has(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, | |||
| 429 | bool* bp) const override; | |||
| 430 | ||||
| 431 | /** | |||
| 432 | * Implementation of [[Get]] internal method as defined at | |||
| 433 | * <https://html.spec.whatwg.org/multipage/window-object.html#windowproxy-get>. | |||
| 434 | * | |||
| 435 | * "proxy" is the WindowProxy object involved. It may or may not be | |||
| 436 | * same-compartment with "cx". | |||
| 437 | * | |||
| 438 | * "receiver" is the receiver ("this") for the get. It will be | |||
| 439 | * same-compartment with "cx". | |||
| 440 | * | |||
| 441 | * "vp" is the return value. It will be same-compartment with "cx". | |||
| 442 | */ | |||
| 443 | bool get(JSContext* cx, JS::Handle<JSObject*> proxy, | |||
| 444 | JS::Handle<JS::Value> receiver, JS::Handle<jsid> id, | |||
| 445 | JS::MutableHandle<JS::Value> vp) const override; | |||
| 446 | ||||
| 447 | /** | |||
| 448 | * Implementation of [[Set]] internal method as defined at | |||
| 449 | * <https://html.spec.whatwg.org/multipage/window-object.html#windowproxy-set>. | |||
| 450 | * | |||
| 451 | * "proxy" is the WindowProxy object involved. It may or may not be | |||
| 452 | * same-compartment with "cx". | |||
| 453 | * | |||
| 454 | * "v" is the value being set. It will be same-compartment with "cx". | |||
| 455 | * | |||
| 456 | * "receiver" is the receiver ("this") for the set. It will be | |||
| 457 | * same-compartment with "cx". | |||
| 458 | */ | |||
| 459 | bool set(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, | |||
| 460 | JS::Handle<JS::Value> v, JS::Handle<JS::Value> receiver, | |||
| 461 | JS::ObjectOpResult& result) const override; | |||
| 462 | ||||
| 463 | // SpiderMonkey extensions | |||
| 464 | /** | |||
| 465 | * Implementation of SpiderMonkey extension which just checks whether this | |||
| 466 | * object has the property. Basically Object.getOwnPropertyDescriptor(obj, | |||
| 467 | * prop) !== undefined. but does not require reifying the descriptor. | |||
| 468 | * | |||
| 469 | * We have to override this because js::Wrapper overrides it, but we want | |||
| 470 | * different behavior from js::Wrapper. | |||
| 471 | * | |||
| 472 | * "proxy" is the WindowProxy object involved. It may not be same-compartment | |||
| 473 | * with cx. | |||
| 474 | */ | |||
| 475 | bool hasOwn(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, | |||
| 476 | bool* bp) const override; | |||
| 477 | ||||
| 478 | /** | |||
| 479 | * Implementation of SpiderMonkey extension which is used as a fast path for | |||
| 480 | * enumerating. | |||
| 481 | * | |||
| 482 | * We have to override this because js::Wrapper overrides it, but we want | |||
| 483 | * different behavior from js::Wrapper. | |||
| 484 | * | |||
| 485 | * "proxy" is the WindowProxy object involved. It may not be same-compartment | |||
| 486 | * with cx. | |||
| 487 | */ | |||
| 488 | bool getOwnEnumerablePropertyKeys( | |||
| 489 | JSContext* cx, JS::Handle<JSObject*> proxy, | |||
| 490 | JS::MutableHandleVector<jsid> props) const override; | |||
| 491 | ||||
| 492 | /** | |||
| 493 | * Hook used by SpiderMonkey to implement Object.prototype.toString. | |||
| 494 | */ | |||
| 495 | const char* className(JSContext* cx, | |||
| 496 | JS::Handle<JSObject*> wrapper) const override; | |||
| 497 | ||||
| 498 | void finalize(JS::GCContext* gcx, JSObject* proxy) const override; | |||
| 499 | size_t objectMoved(JSObject* proxy, JSObject* old) const override; | |||
| 500 | ||||
| 501 | bool isCallable(JSObject* obj) const override { return false; } | |||
| 502 | bool isConstructor(JSObject* obj) const override { return false; } | |||
| 503 | ||||
| 504 | static const nsOuterWindowProxy singleton; | |||
| 505 | ||||
| 506 | static nsGlobalWindowOuter* GetOuterWindow(JSObject* proxy) { | |||
| 507 | nsGlobalWindowOuter* outerWindow = | |||
| 508 | nsGlobalWindowOuter::FromSupports(static_cast<nsISupports*>( | |||
| 509 | js::GetProxyReservedSlot(proxy, OUTER_WINDOW_SLOT).toPrivate())); | |||
| 510 | return outerWindow; | |||
| 511 | } | |||
| 512 | ||||
| 513 | protected: | |||
| 514 | // False return value means we threw an exception. True return value | |||
| 515 | // but false "found" means we didn't have a subframe at that index. | |||
| 516 | bool GetSubframeWindow(JSContext* cx, JS::Handle<JSObject*> proxy, | |||
| 517 | JS::Handle<jsid> id, JS::MutableHandle<JS::Value> vp, | |||
| 518 | bool& found) const; | |||
| 519 | ||||
| 520 | // Returns a non-null window only if id is an index and we have a | |||
| 521 | // window at that index. | |||
| 522 | Nullable<WindowProxyHolder> GetSubframeWindow(JSContext* cx, | |||
| 523 | JS::Handle<JSObject*> proxy, | |||
| 524 | JS::Handle<jsid> id) const; | |||
| 525 | ||||
| 526 | bool AppendIndexedPropertyNames(JSObject* proxy, | |||
| 527 | JS::MutableHandleVector<jsid> props) const; | |||
| 528 | ||||
| 529 | using MaybeCrossOriginObjectMixins::EnsureHolder; | |||
| 530 | bool EnsureHolder(JSContext* cx, JS::Handle<JSObject*> proxy, | |||
| 531 | JS::MutableHandle<JSObject*> holder) const override; | |||
| 532 | ||||
| 533 | // Helper method for creating a special "print" method that allows printing | |||
| 534 | // our PDF-viewer documents even if you're not same-origin with them. | |||
| 535 | // | |||
| 536 | // aProxy must be our nsOuterWindowProxy. It will not be same-compartment | |||
| 537 | // with aCx, since we only use this on the different-origin codepath! | |||
| 538 | // | |||
| 539 | // Can return true without filling in aDesc, which corresponds to not exposing | |||
| 540 | // a "print" method. | |||
| 541 | static bool MaybeGetPDFJSPrintMethod( | |||
| 542 | JSContext* cx, JS::Handle<JSObject*> proxy, | |||
| 543 | JS::MutableHandle<Maybe<JS::PropertyDescriptor>> desc); | |||
| 544 | ||||
| 545 | // The actual "print" method we use for the PDFJS case. | |||
| 546 | static bool PDFJSPrintMethod(JSContext* cx, unsigned argc, JS::Value* vp); | |||
| 547 | ||||
| 548 | // Helper method to get the pre-PDF-viewer-messing-with-it principal from an | |||
| 549 | // inner window. Will return null if this is not a PDF-viewer inner or if the | |||
| 550 | // principal could not be found for some reason. | |||
| 551 | static already_AddRefed<nsIPrincipal> GetNoPDFJSPrincipal( | |||
| 552 | nsGlobalWindowInner* inner); | |||
| 553 | }; | |||
| 554 | ||||
| 555 | const char* nsOuterWindowProxy::className(JSContext* cx, | |||
| 556 | JS::Handle<JSObject*> proxy) const { | |||
| 557 | MOZ_ASSERT(js::IsProxy(proxy))do { static_assert( mozilla::detail::AssertionConditionType< decltype(js::IsProxy(proxy))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(js::IsProxy(proxy)))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("js::IsProxy(proxy)" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 557); AnnotateMozCrashReason("MOZ_ASSERT" "(" "js::IsProxy(proxy)" ")"); do { *((volatile int*)__null) = 557; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 558 | ||||
| 559 | if (!IsPlatformObjectSameOrigin(cx, proxy)) { | |||
| 560 | return "Object"; | |||
| 561 | } | |||
| 562 | ||||
| 563 | return "Window"; | |||
| 564 | } | |||
| 565 | ||||
| 566 | void nsOuterWindowProxy::finalize(JS::GCContext* gcx, JSObject* proxy) const { | |||
| 567 | nsGlobalWindowOuter* outerWindow = GetOuterWindow(proxy); | |||
| 568 | if (outerWindow) { | |||
| 569 | outerWindow->ClearWrapper(proxy); | |||
| 570 | BrowsingContext* bc = outerWindow->GetBrowsingContext(); | |||
| 571 | if (bc) { | |||
| 572 | bc->ClearWindowProxy(); | |||
| 573 | } | |||
| 574 | ||||
| 575 | // Ideally we would use OnFinalize here, but it's possible that | |||
| 576 | // EnsureScriptEnvironment will later be called on the window, and we don't | |||
| 577 | // want to create a new script object in that case. Therefore, we need to | |||
| 578 | // write a non-null value that will reliably crash when dereferenced. | |||
| 579 | outerWindow->PoisonOuterWindowProxy(proxy); | |||
| 580 | } | |||
| 581 | } | |||
| 582 | ||||
| 583 | bool nsOuterWindowProxy::getOwnPropertyDescriptor( | |||
| 584 | JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, | |||
| 585 | JS::MutableHandle<Maybe<JS::PropertyDescriptor>> desc) const { | |||
| 586 | // First check for indexed access. This is | |||
| 587 | // https://html.spec.whatwg.org/multipage/window-object.html#windowproxy-getownproperty | |||
| 588 | // step 2, mostly. | |||
| 589 | JS::Rooted<JS::Value> subframe(cx); | |||
| 590 | bool found; | |||
| 591 | if (!GetSubframeWindow(cx, proxy, id, &subframe, found)) { | |||
| 592 | return false; | |||
| 593 | } | |||
| 594 | if (found) { | |||
| 595 | // Step 2.4. | |||
| 596 | ||||
| 597 | desc.set(Some(JS::PropertyDescriptor::Data( | |||
| 598 | subframe, { | |||
| 599 | JS::PropertyAttribute::Configurable, | |||
| 600 | JS::PropertyAttribute::Enumerable, | |||
| 601 | }))); | |||
| 602 | return true; | |||
| 603 | } | |||
| 604 | ||||
| 605 | bool isSameOrigin = IsPlatformObjectSameOrigin(cx, proxy); | |||
| 606 | ||||
| 607 | // If we did not find a subframe, we could still have an indexed property | |||
| 608 | // access. In that case we should throw a SecurityError in the cross-origin | |||
| 609 | // case. | |||
| 610 | if (!isSameOrigin && IsArrayIndex(GetArrayIndexFromId(id))) { | |||
| 611 | // Step 2.5.2. | |||
| 612 | return ReportCrossOriginDenial(cx, id, "access"_ns); | |||
| 613 | } | |||
| 614 | ||||
| 615 | // Step 2.5.1 is handled via the forwarding to js::Wrapper; it saves us an | |||
| 616 | // IsArrayIndex(GetArrayIndexFromId(id)) here. We'll never have a property on | |||
| 617 | // the Window whose name is an index, because our defineProperty doesn't pass | |||
| 618 | // those on to the Window. | |||
| 619 | ||||
| 620 | // Step 3. | |||
| 621 | if (isSameOrigin) { | |||
| 622 | if (StaticPrefs::dom_missing_prop_counters_enabled() && id.isAtom()) { | |||
| 623 | Window_Binding::CountMaybeMissingProperty(proxy, id); | |||
| 624 | } | |||
| 625 | ||||
| 626 | // Fall through to js::Wrapper. | |||
| 627 | { // Scope for JSAutoRealm while we are dealing with js::Wrapper. | |||
| 628 | // When forwarding to js::Wrapper, we should just enter the Realm of proxy | |||
| 629 | // for now. That's what js::Wrapper expects, and since we're same-origin | |||
| 630 | // anyway this is not changing any security behavior. | |||
| 631 | JSAutoRealm ar(cx, proxy); | |||
| 632 | JS_MarkCrossZoneId(cx, id); | |||
| 633 | bool ok = js::Wrapper::getOwnPropertyDescriptor(cx, proxy, id, desc); | |||
| 634 | if (!ok) { | |||
| 635 | return false; | |||
| 636 | } | |||
| 637 | ||||
| 638 | #if 0 | |||
| 639 | // See https://github.com/tc39/ecma262/issues/672 for more information. | |||
| 640 | if (desc.isSome() && | |||
| 641 | !IsNonConfigurableReadonlyPrimitiveGlobalProp(cx, id)) { | |||
| 642 | (*desc).setConfigurable(true); | |||
| 643 | } | |||
| 644 | #endif | |||
| 645 | } | |||
| 646 | ||||
| 647 | // Now wrap our descriptor back into the Realm that asked for it. | |||
| 648 | return JS_WrapPropertyDescriptor(cx, desc); | |||
| 649 | } | |||
| 650 | ||||
| 651 | // Step 4. | |||
| 652 | if (!CrossOriginGetOwnPropertyHelper(cx, proxy, id, desc)) { | |||
| 653 | return false; | |||
| 654 | } | |||
| 655 | ||||
| 656 | // Step 5 | |||
| 657 | if (desc.isSome()) { | |||
| 658 | return true; | |||
| 659 | } | |||
| 660 | ||||
| 661 | // Non-spec step for the PDF viewer's window.print(). This comes before we | |||
| 662 | // check for named subframes, because in the same-origin case print() would | |||
| 663 | // shadow those. | |||
| 664 | if (id == GetJSIDByIndex(cx, XPCJSContext::IDX_PRINT)) { | |||
| 665 | if (!MaybeGetPDFJSPrintMethod(cx, proxy, desc)) { | |||
| 666 | return false; | |||
| 667 | } | |||
| 668 | ||||
| 669 | if (desc.isSome()) { | |||
| 670 | return true; | |||
| 671 | } | |||
| 672 | } | |||
| 673 | ||||
| 674 | // Step 6 -- check for named subframes. | |||
| 675 | if (id.isString()) { | |||
| 676 | nsAutoJSString name; | |||
| 677 | if (!name.init(cx, id.toString())) { | |||
| 678 | return false; | |||
| 679 | } | |||
| 680 | nsGlobalWindowOuter* win = GetOuterWindow(proxy); | |||
| 681 | if (RefPtr<BrowsingContext> childDOMWin = win->GetChildWindow(name)) { | |||
| 682 | JS::Rooted<JS::Value> childValue(cx); | |||
| 683 | if (!ToJSValue(cx, WindowProxyHolder(childDOMWin), &childValue)) { | |||
| 684 | return false; | |||
| 685 | } | |||
| 686 | desc.set(Some(JS::PropertyDescriptor::Data( | |||
| 687 | childValue, {JS::PropertyAttribute::Configurable}))); | |||
| 688 | return true; | |||
| 689 | } | |||
| 690 | } | |||
| 691 | ||||
| 692 | // And step 7. | |||
| 693 | return CrossOriginPropertyFallback(cx, proxy, id, desc); | |||
| 694 | } | |||
| 695 | ||||
| 696 | bool nsOuterWindowProxy::definePropertySameOrigin( | |||
| 697 | JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, | |||
| 698 | JS::Handle<JS::PropertyDescriptor> desc, JS::ObjectOpResult& result) const { | |||
| 699 | if (IsArrayIndex(GetArrayIndexFromId(id))) { | |||
| 700 | // Spec says to Reject whether this is a supported index or not, | |||
| 701 | // since we have no indexed setter or indexed creator. It is up | |||
| 702 | // to the caller to decide whether to throw a TypeError. | |||
| 703 | return result.failCantDefineWindowElement(); | |||
| 704 | } | |||
| 705 | ||||
| 706 | JS::ObjectOpResult ourResult; | |||
| 707 | bool ok = js::Wrapper::defineProperty(cx, proxy, id, desc, ourResult); | |||
| 708 | if (!ok) { | |||
| 709 | return false; | |||
| 710 | } | |||
| 711 | ||||
| 712 | if (!ourResult.ok()) { | |||
| 713 | // It's possible that this failed because the page got the existing | |||
| 714 | // descriptor (which we force to claim to be configurable) and then tried to | |||
| 715 | // redefine the property with the descriptor it got but a different value. | |||
| 716 | // We want to allow this case to succeed, so check for it and if we're in | |||
| 717 | // that case try again but now with an attempt to define a non-configurable | |||
| 718 | // property. | |||
| 719 | if (!desc.hasConfigurable() || !desc.configurable()) { | |||
| 720 | // The incoming descriptor was not explicitly marked "configurable: true", | |||
| 721 | // so it failed for some other reason. Just propagate that reason out. | |||
| 722 | result = ourResult; | |||
| 723 | return true; | |||
| 724 | } | |||
| 725 | ||||
| 726 | JS::Rooted<Maybe<JS::PropertyDescriptor>> existingDesc(cx); | |||
| 727 | ok = js::Wrapper::getOwnPropertyDescriptor(cx, proxy, id, &existingDesc); | |||
| 728 | if (!ok) { | |||
| 729 | return false; | |||
| 730 | } | |||
| 731 | if (existingDesc.isNothing() || existingDesc->configurable()) { | |||
| 732 | // We have no existing property, or its descriptor is already configurable | |||
| 733 | // (on the Window itself, where things really can be non-configurable). | |||
| 734 | // So we failed for some other reason, which we should propagate out. | |||
| 735 | result = ourResult; | |||
| 736 | return true; | |||
| 737 | } | |||
| 738 | ||||
| 739 | JS::Rooted<JS::PropertyDescriptor> updatedDesc(cx, desc); | |||
| 740 | updatedDesc.setConfigurable(false); | |||
| 741 | ||||
| 742 | JS::ObjectOpResult ourNewResult; | |||
| 743 | ok = js::Wrapper::defineProperty(cx, proxy, id, updatedDesc, ourNewResult); | |||
| 744 | if (!ok) { | |||
| 745 | return false; | |||
| 746 | } | |||
| 747 | ||||
| 748 | if (!ourNewResult.ok()) { | |||
| 749 | // Twiddling the configurable flag didn't help. Just return this failure | |||
| 750 | // out to the caller. | |||
| 751 | result = ourNewResult; | |||
| 752 | return true; | |||
| 753 | } | |||
| 754 | } | |||
| 755 | ||||
| 756 | #if 0 | |||
| 757 | // See https://github.com/tc39/ecma262/issues/672 for more information. | |||
| 758 | if (desc.hasConfigurable() && !desc.configurable() && | |||
| 759 | !IsNonConfigurableReadonlyPrimitiveGlobalProp(cx, id)) { | |||
| 760 | // Give callers a way to detect that they failed to "really" define a | |||
| 761 | // non-configurable property. | |||
| 762 | result.failCantDefineWindowNonConfigurable(); | |||
| 763 | return true; | |||
| 764 | } | |||
| 765 | #endif | |||
| 766 | ||||
| 767 | result.succeed(); | |||
| 768 | return true; | |||
| 769 | } | |||
| 770 | ||||
| 771 | bool nsOuterWindowProxy::ownPropertyKeys( | |||
| 772 | JSContext* cx, JS::Handle<JSObject*> proxy, | |||
| 773 | JS::MutableHandleVector<jsid> props) const { | |||
| 774 | // Just our indexed stuff followed by our "normal" own property names. | |||
| 775 | if (!AppendIndexedPropertyNames(proxy, props)) { | |||
| 776 | return false; | |||
| 777 | } | |||
| 778 | ||||
| 779 | if (IsPlatformObjectSameOrigin(cx, proxy)) { | |||
| 780 | // When forwarding to js::Wrapper, we should just enter the Realm of proxy | |||
| 781 | // for now. That's what js::Wrapper expects, and since we're same-origin | |||
| 782 | // anyway this is not changing any security behavior. | |||
| 783 | JS::RootedVector<jsid> innerProps(cx); | |||
| 784 | { // Scope for JSAutoRealm so we can mark the ids once we exit it | |||
| 785 | JSAutoRealm ar(cx, proxy); | |||
| 786 | if (!js::Wrapper::ownPropertyKeys(cx, proxy, &innerProps)) { | |||
| 787 | return false; | |||
| 788 | } | |||
| 789 | } | |||
| 790 | for (auto& id : innerProps) { | |||
| 791 | JS_MarkCrossZoneId(cx, id); | |||
| 792 | } | |||
| 793 | return js::AppendUnique(cx, props, innerProps); | |||
| 794 | } | |||
| 795 | ||||
| 796 | // In the cross-origin case we purposefully exclude subframe names from the | |||
| 797 | // list of property names we report here. | |||
| 798 | JS::Rooted<JSObject*> holder(cx); | |||
| 799 | if (!EnsureHolder(cx, proxy, &holder)) { | |||
| 800 | return false; | |||
| 801 | } | |||
| 802 | ||||
| 803 | JS::RootedVector<jsid> crossOriginProps(cx); | |||
| 804 | if (!js::GetPropertyKeys(cx, holder, | |||
| 805 | JSITER_OWNONLY0x8 | JSITER_HIDDEN0x10 | JSITER_SYMBOLS0x20, | |||
| 806 | &crossOriginProps) || | |||
| 807 | !js::AppendUnique(cx, props, crossOriginProps)) { | |||
| 808 | return false; | |||
| 809 | } | |||
| 810 | ||||
| 811 | // Add the "print" property if needed. | |||
| 812 | nsGlobalWindowOuter* outer = GetOuterWindow(proxy); | |||
| 813 | nsGlobalWindowInner* inner = | |||
| 814 | nsGlobalWindowInner::Cast(outer->GetCurrentInnerWindow()); | |||
| 815 | if (inner) { | |||
| 816 | nsCOMPtr<nsIPrincipal> targetPrincipal = GetNoPDFJSPrincipal(inner); | |||
| 817 | if (targetPrincipal && | |||
| 818 | nsContentUtils::SubjectPrincipal(cx)->Equals(targetPrincipal)) { | |||
| 819 | JS::RootedVector<jsid> printProp(cx); | |||
| 820 | if (!printProp.append(GetJSIDByIndex(cx, XPCJSContext::IDX_PRINT)) || | |||
| 821 | !js::AppendUnique(cx, props, printProp)) { | |||
| 822 | return false; | |||
| 823 | } | |||
| 824 | } | |||
| 825 | } | |||
| 826 | ||||
| 827 | return xpc::AppendCrossOriginWhitelistedPropNames(cx, props); | |||
| 828 | } | |||
| 829 | ||||
| 830 | bool nsOuterWindowProxy::delete_(JSContext* cx, JS::Handle<JSObject*> proxy, | |||
| 831 | JS::Handle<jsid> id, | |||
| 832 | JS::ObjectOpResult& result) const { | |||
| 833 | if (!IsPlatformObjectSameOrigin(cx, proxy)) { | |||
| 834 | return ReportCrossOriginDenial(cx, id, "delete"_ns); | |||
| 835 | } | |||
| 836 | ||||
| 837 | if (!GetSubframeWindow(cx, proxy, id).IsNull()) { | |||
| 838 | // Fail (which means throw if strict, else return false). | |||
| 839 | return result.failCantDeleteWindowElement(); | |||
| 840 | } | |||
| 841 | ||||
| 842 | if (IsArrayIndex(GetArrayIndexFromId(id))) { | |||
| 843 | // Indexed, but not supported. Spec says return true. | |||
| 844 | return result.succeed(); | |||
| 845 | } | |||
| 846 | ||||
| 847 | // We're same-origin, so it should be safe to enter the Realm of "proxy". | |||
| 848 | // Let's do that, just in case, to avoid cross-compartment issues in our | |||
| 849 | // js::Wrapper caller.. | |||
| 850 | JSAutoRealm ar(cx, proxy); | |||
| 851 | JS_MarkCrossZoneId(cx, id); | |||
| 852 | return js::Wrapper::delete_(cx, proxy, id, result); | |||
| 853 | } | |||
| 854 | ||||
| 855 | JSObject* nsOuterWindowProxy::getSameOriginPrototype(JSContext* cx) const { | |||
| 856 | return Window_Binding::GetProtoObjectHandle(cx); | |||
| 857 | } | |||
| 858 | ||||
| 859 | bool nsOuterWindowProxy::has(JSContext* cx, JS::Handle<JSObject*> proxy, | |||
| 860 | JS::Handle<jsid> id, bool* bp) const { | |||
| 861 | // We could just directly forward this method to js::BaseProxyHandler, but | |||
| 862 | // that involves reifying the actual property descriptor, which might be more | |||
| 863 | // work than we have to do for has() on the Window. | |||
| 864 | ||||
| 865 | if (!IsPlatformObjectSameOrigin(cx, proxy)) { | |||
| 866 | // In the cross-origin case we only have own properties. Just call hasOwn | |||
| 867 | // directly. | |||
| 868 | return hasOwn(cx, proxy, id, bp); | |||
| 869 | } | |||
| 870 | ||||
| 871 | if (!GetSubframeWindow(cx, proxy, id).IsNull()) { | |||
| 872 | *bp = true; | |||
| 873 | return true; | |||
| 874 | } | |||
| 875 | ||||
| 876 | // Just to be safe in terms of compartment asserts, enter the Realm of | |||
| 877 | // "proxy". We're same-origin with it, so this should be safe. | |||
| 878 | JSAutoRealm ar(cx, proxy); | |||
| 879 | JS_MarkCrossZoneId(cx, id); | |||
| 880 | return js::Wrapper::has(cx, proxy, id, bp); | |||
| 881 | } | |||
| 882 | ||||
| 883 | bool nsOuterWindowProxy::hasOwn(JSContext* cx, JS::Handle<JSObject*> proxy, | |||
| 884 | JS::Handle<jsid> id, bool* bp) const { | |||
| 885 | // We could just directly forward this method to js::BaseProxyHandler, but | |||
| 886 | // that involves reifying the actual property descriptor, which might be more | |||
| 887 | // work than we have to do for hasOwn() on the Window. | |||
| 888 | ||||
| 889 | if (!IsPlatformObjectSameOrigin(cx, proxy)) { | |||
| 890 | // Avoiding reifying the property descriptor here would require duplicating | |||
| 891 | // a bunch of "is this property exposed cross-origin" logic, which is | |||
| 892 | // probably not worth it. Just forward this along to the base | |||
| 893 | // implementation. | |||
| 894 | // | |||
| 895 | // It's very important to not forward this to js::Wrapper, because that will | |||
| 896 | // not do the right security and cross-origin checks and will pass through | |||
| 897 | // the call to the Window. | |||
| 898 | // | |||
| 899 | // The BaseProxyHandler code is OK with this happening without entering the | |||
| 900 | // compartment of "proxy". | |||
| 901 | return js::BaseProxyHandler::hasOwn(cx, proxy, id, bp); | |||
| 902 | } | |||
| 903 | ||||
| 904 | if (!GetSubframeWindow(cx, proxy, id).IsNull()) { | |||
| 905 | *bp = true; | |||
| 906 | return true; | |||
| 907 | } | |||
| 908 | ||||
| 909 | // Just to be safe in terms of compartment asserts, enter the Realm of | |||
| 910 | // "proxy". We're same-origin with it, so this should be safe. | |||
| 911 | JSAutoRealm ar(cx, proxy); | |||
| 912 | JS_MarkCrossZoneId(cx, id); | |||
| 913 | return js::Wrapper::hasOwn(cx, proxy, id, bp); | |||
| 914 | } | |||
| 915 | ||||
| 916 | bool nsOuterWindowProxy::get(JSContext* cx, JS::Handle<JSObject*> proxy, | |||
| 917 | JS::Handle<JS::Value> receiver, | |||
| 918 | JS::Handle<jsid> id, | |||
| 919 | JS::MutableHandle<JS::Value> vp) const { | |||
| 920 | if (id == GetJSIDByIndex(cx, XPCJSContext::IDX_WRAPPED_JSOBJECT) && | |||
| 921 | xpc::AccessCheck::isChrome(js::GetContextCompartment(cx))) { | |||
| 922 | vp.set(JS::ObjectValue(*proxy)); | |||
| 923 | return MaybeWrapValue(cx, vp); | |||
| 924 | } | |||
| 925 | ||||
| 926 | if (!IsPlatformObjectSameOrigin(cx, proxy)) { | |||
| 927 | return CrossOriginGet(cx, proxy, receiver, id, vp); | |||
| 928 | } | |||
| 929 | ||||
| 930 | bool found; | |||
| 931 | if (!GetSubframeWindow(cx, proxy, id, vp, found)) { | |||
| 932 | return false; | |||
| 933 | } | |||
| 934 | ||||
| 935 | if (found) { | |||
| 936 | return true; | |||
| 937 | } | |||
| 938 | ||||
| 939 | if (StaticPrefs::dom_missing_prop_counters_enabled() && id.isAtom()) { | |||
| 940 | Window_Binding::CountMaybeMissingProperty(proxy, id); | |||
| 941 | } | |||
| 942 | ||||
| 943 | { // Scope for JSAutoRealm | |||
| 944 | // Enter "proxy"'s Realm. We're in the same-origin case, so this should be | |||
| 945 | // safe. | |||
| 946 | JSAutoRealm ar(cx, proxy); | |||
| 947 | ||||
| 948 | JS_MarkCrossZoneId(cx, id); | |||
| 949 | ||||
| 950 | JS::Rooted<JS::Value> wrappedReceiver(cx, receiver); | |||
| 951 | if (!MaybeWrapValue(cx, &wrappedReceiver)) { | |||
| 952 | return false; | |||
| 953 | } | |||
| 954 | ||||
| 955 | // Fall through to js::Wrapper. | |||
| 956 | if (!js::Wrapper::get(cx, proxy, wrappedReceiver, id, vp)) { | |||
| 957 | return false; | |||
| 958 | } | |||
| 959 | } | |||
| 960 | ||||
| 961 | // Make sure our return value is in the caller compartment. | |||
| 962 | return MaybeWrapValue(cx, vp); | |||
| 963 | } | |||
| 964 | ||||
| 965 | bool nsOuterWindowProxy::set(JSContext* cx, JS::Handle<JSObject*> proxy, | |||
| 966 | JS::Handle<jsid> id, JS::Handle<JS::Value> v, | |||
| 967 | JS::Handle<JS::Value> receiver, | |||
| 968 | JS::ObjectOpResult& result) const { | |||
| 969 | if (!IsPlatformObjectSameOrigin(cx, proxy)) { | |||
| 970 | return CrossOriginSet(cx, proxy, id, v, receiver, result); | |||
| 971 | } | |||
| 972 | ||||
| 973 | if (IsArrayIndex(GetArrayIndexFromId(id))) { | |||
| 974 | // Reject the set. It's up to the caller to decide whether to throw a | |||
| 975 | // TypeError. If the caller is strict mode JS code, it'll throw. | |||
| 976 | return result.failReadOnly(); | |||
| 977 | } | |||
| 978 | ||||
| 979 | // Do the rest in the Realm of "proxy", since we're in the same-origin case. | |||
| 980 | JSAutoRealm ar(cx, proxy); | |||
| 981 | JS::Rooted<JS::Value> wrappedArg(cx, v); | |||
| 982 | if (!MaybeWrapValue(cx, &wrappedArg)) { | |||
| 983 | return false; | |||
| 984 | } | |||
| 985 | JS::Rooted<JS::Value> wrappedReceiver(cx, receiver); | |||
| 986 | if (!MaybeWrapValue(cx, &wrappedReceiver)) { | |||
| 987 | return false; | |||
| 988 | } | |||
| 989 | ||||
| 990 | JS_MarkCrossZoneId(cx, id); | |||
| 991 | ||||
| 992 | return js::Wrapper::set(cx, proxy, id, wrappedArg, wrappedReceiver, result); | |||
| 993 | } | |||
| 994 | ||||
| 995 | bool nsOuterWindowProxy::getOwnEnumerablePropertyKeys( | |||
| 996 | JSContext* cx, JS::Handle<JSObject*> proxy, | |||
| 997 | JS::MutableHandleVector<jsid> props) const { | |||
| 998 | // We could just stop overring getOwnEnumerablePropertyKeys and let our | |||
| 999 | // superclasses deal (by falling back on the BaseProxyHandler implementation | |||
| 1000 | // that uses a combination of ownPropertyKeys and getOwnPropertyDescriptor to | |||
| 1001 | // only return the enumerable ones. But maybe there's value in having | |||
| 1002 | // somewhat faster for-in iteration on Window objects... | |||
| 1003 | ||||
| 1004 | // Like ownPropertyKeys, our indexed stuff followed by our "normal" enumerable | |||
| 1005 | // own property names. | |||
| 1006 | if (!AppendIndexedPropertyNames(proxy, props)) { | |||
| 1007 | return false; | |||
| 1008 | } | |||
| 1009 | ||||
| 1010 | if (!IsPlatformObjectSameOrigin(cx, proxy)) { | |||
| 1011 | // All the cross-origin properties other than the indexed props are | |||
| 1012 | // non-enumerable, so we're done here. | |||
| 1013 | return true; | |||
| 1014 | } | |||
| 1015 | ||||
| 1016 | // When forwarding to js::Wrapper, we should just enter the Realm of proxy | |||
| 1017 | // for now. That's what js::Wrapper expects, and since we're same-origin | |||
| 1018 | // anyway this is not changing any security behavior. | |||
| 1019 | JS::RootedVector<jsid> innerProps(cx); | |||
| 1020 | { // Scope for JSAutoRealm so we can mark the ids once we exit it. | |||
| 1021 | JSAutoRealm ar(cx, proxy); | |||
| 1022 | if (!js::Wrapper::getOwnEnumerablePropertyKeys(cx, proxy, &innerProps)) { | |||
| 1023 | return false; | |||
| 1024 | } | |||
| 1025 | } | |||
| 1026 | ||||
| 1027 | for (auto& id : innerProps) { | |||
| 1028 | JS_MarkCrossZoneId(cx, id); | |||
| 1029 | } | |||
| 1030 | ||||
| 1031 | return js::AppendUnique(cx, props, innerProps); | |||
| 1032 | } | |||
| 1033 | ||||
| 1034 | bool nsOuterWindowProxy::GetSubframeWindow(JSContext* cx, | |||
| 1035 | JS::Handle<JSObject*> proxy, | |||
| 1036 | JS::Handle<jsid> id, | |||
| 1037 | JS::MutableHandle<JS::Value> vp, | |||
| 1038 | bool& found) const { | |||
| 1039 | Nullable<WindowProxyHolder> frame = GetSubframeWindow(cx, proxy, id); | |||
| 1040 | if (frame.IsNull()) { | |||
| 1041 | found = false; | |||
| 1042 | return true; | |||
| 1043 | } | |||
| 1044 | ||||
| 1045 | found = true; | |||
| 1046 | return WrapObject(cx, frame.Value(), vp); | |||
| 1047 | } | |||
| 1048 | ||||
| 1049 | Nullable<WindowProxyHolder> nsOuterWindowProxy::GetSubframeWindow( | |||
| 1050 | JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id) const { | |||
| 1051 | uint32_t index = GetArrayIndexFromId(id); | |||
| 1052 | if (!IsArrayIndex(index)) { | |||
| 1053 | return nullptr; | |||
| 1054 | } | |||
| 1055 | ||||
| 1056 | nsGlobalWindowOuter* win = GetOuterWindow(proxy); | |||
| 1057 | return win->IndexedGetterOuter(index); | |||
| 1058 | } | |||
| 1059 | ||||
| 1060 | bool nsOuterWindowProxy::AppendIndexedPropertyNames( | |||
| 1061 | JSObject* proxy, JS::MutableHandleVector<jsid> props) const { | |||
| 1062 | uint32_t length = GetOuterWindow(proxy)->Length(); | |||
| 1063 | MOZ_ASSERT(int32_t(length) >= 0)do { static_assert( mozilla::detail::AssertionConditionType< decltype(int32_t(length) >= 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(int32_t(length) >= 0))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("int32_t(length) >= 0" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1063); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(length) >= 0" ")"); do { *((volatile int*)__null) = 1063; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1064 | if (!props.reserve(props.length() + length)) { | |||
| 1065 | return false; | |||
| 1066 | } | |||
| 1067 | for (int32_t i = 0; i < int32_t(length); ++i) { | |||
| 1068 | if (!props.append(JS::PropertyKey::Int(i))) { | |||
| 1069 | return false; | |||
| 1070 | } | |||
| 1071 | } | |||
| 1072 | ||||
| 1073 | return true; | |||
| 1074 | } | |||
| 1075 | ||||
| 1076 | bool nsOuterWindowProxy::EnsureHolder( | |||
| 1077 | JSContext* cx, JS::Handle<JSObject*> proxy, | |||
| 1078 | JS::MutableHandle<JSObject*> holder) const { | |||
| 1079 | return EnsureHolder(cx, proxy, HOLDER_WEAKMAP_SLOT, | |||
| 1080 | Window_Binding::sCrossOriginProperties, holder); | |||
| 1081 | } | |||
| 1082 | ||||
| 1083 | size_t nsOuterWindowProxy::objectMoved(JSObject* obj, JSObject* old) const { | |||
| 1084 | nsGlobalWindowOuter* outerWindow = GetOuterWindow(obj); | |||
| 1085 | if (outerWindow) { | |||
| 1086 | outerWindow->UpdateWrapper(obj, old); | |||
| 1087 | BrowsingContext* bc = outerWindow->GetBrowsingContext(); | |||
| 1088 | if (bc) { | |||
| 1089 | bc->UpdateWindowProxy(obj, old); | |||
| 1090 | } | |||
| 1091 | } | |||
| 1092 | return 0; | |||
| 1093 | } | |||
| 1094 | ||||
| 1095 | enum { PDFJS_SLOT_CALLEE = 0 }; | |||
| 1096 | ||||
| 1097 | // static | |||
| 1098 | bool nsOuterWindowProxy::MaybeGetPDFJSPrintMethod( | |||
| 1099 | JSContext* cx, JS::Handle<JSObject*> proxy, | |||
| 1100 | JS::MutableHandle<Maybe<JS::PropertyDescriptor>> desc) { | |||
| 1101 | MOZ_ASSERT(proxy)do { static_assert( mozilla::detail::AssertionConditionType< decltype(proxy)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(proxy))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("proxy", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1101); AnnotateMozCrashReason("MOZ_ASSERT" "(" "proxy" ")") ; do { *((volatile int*)__null) = 1101; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1102 | MOZ_ASSERT(!desc.isSome())do { static_assert( mozilla::detail::AssertionConditionType< decltype(!desc.isSome())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!desc.isSome()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!desc.isSome()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1102); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!desc.isSome()" ")"); do { *((volatile int*)__null) = 1102; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1103 | ||||
| 1104 | nsGlobalWindowOuter* outer = GetOuterWindow(proxy); | |||
| 1105 | nsGlobalWindowInner* inner = | |||
| 1106 | nsGlobalWindowInner::Cast(outer->GetCurrentInnerWindow()); | |||
| 1107 | if (!inner) { | |||
| 1108 | // No print method to expose. | |||
| 1109 | return true; | |||
| 1110 | } | |||
| 1111 | ||||
| 1112 | nsCOMPtr<nsIPrincipal> targetPrincipal = GetNoPDFJSPrincipal(inner); | |||
| 1113 | if (!targetPrincipal) { | |||
| 1114 | // Nothing special to be done. | |||
| 1115 | return true; | |||
| 1116 | } | |||
| 1117 | ||||
| 1118 | if (!nsContentUtils::SubjectPrincipal(cx)->Equals(targetPrincipal)) { | |||
| 1119 | // Not our origin's PDF document. | |||
| 1120 | return true; | |||
| 1121 | } | |||
| 1122 | ||||
| 1123 | // Get the function we plan to actually call. | |||
| 1124 | JS::Rooted<JSObject*> innerObj(cx, inner->GetGlobalJSObject()); | |||
| 1125 | if (!innerObj) { | |||
| 1126 | // Really should not happen, but ok, let's just return. | |||
| 1127 | return true; | |||
| 1128 | } | |||
| 1129 | ||||
| 1130 | JS::Rooted<JS::Value> targetFunc(cx); | |||
| 1131 | { | |||
| 1132 | JSAutoRealm ar(cx, innerObj); | |||
| 1133 | if (!JS_GetProperty(cx, innerObj, "print", &targetFunc)) { | |||
| 1134 | return false; | |||
| 1135 | } | |||
| 1136 | } | |||
| 1137 | ||||
| 1138 | if (!targetFunc.isObject()) { | |||
| 1139 | // Who knows what's going on. Just return. | |||
| 1140 | return true; | |||
| 1141 | } | |||
| 1142 | ||||
| 1143 | // The Realm of cx is the realm our caller is in and the realm we | |||
| 1144 | // should create our function in. Note that we can't use the | |||
| 1145 | // standard XPConnect function forwarder machinery because our | |||
| 1146 | // "this" is cross-origin, so we have to do thus by hand. | |||
| 1147 | ||||
| 1148 | // Make sure targetFunc is wrapped into the right compartment. | |||
| 1149 | if (!MaybeWrapValue(cx, &targetFunc)) { | |||
| 1150 | return false; | |||
| 1151 | } | |||
| 1152 | ||||
| 1153 | JSFunction* fun = | |||
| 1154 | js::NewFunctionWithReserved(cx, PDFJSPrintMethod, 0, 0, "print"); | |||
| 1155 | if (!fun) { | |||
| 1156 | return false; | |||
| 1157 | } | |||
| 1158 | ||||
| 1159 | JS::Rooted<JSObject*> funObj(cx, JS_GetFunctionObject(fun)); | |||
| 1160 | js::SetFunctionNativeReserved(funObj, PDFJS_SLOT_CALLEE, targetFunc); | |||
| 1161 | ||||
| 1162 | // { value: <print>, writable: true, enumerable: true, configurable: true } | |||
| 1163 | // because that's what it would have been in the same-origin case without | |||
| 1164 | // the PDF viewer messing with things. | |||
| 1165 | desc.set(Some(JS::PropertyDescriptor::Data( | |||
| 1166 | JS::ObjectValue(*funObj), | |||
| 1167 | {JS::PropertyAttribute::Configurable, JS::PropertyAttribute::Enumerable, | |||
| 1168 | JS::PropertyAttribute::Writable}))); | |||
| 1169 | return true; | |||
| 1170 | } | |||
| 1171 | ||||
| 1172 | // static | |||
| 1173 | bool nsOuterWindowProxy::PDFJSPrintMethod(JSContext* cx, unsigned argc, | |||
| 1174 | JS::Value* vp) { | |||
| 1175 | JS::CallArgs args = CallArgsFromVp(argc, vp); | |||
| 1176 | ||||
| 1177 | JS::Rooted<JSObject*> realCallee( | |||
| 1178 | cx, &js::GetFunctionNativeReserved(&args.callee(), PDFJS_SLOT_CALLEE) | |||
| 1179 | .toObject()); | |||
| 1180 | // Unchecked unwrap, because we want to extract the thing we really had | |||
| 1181 | // before. | |||
| 1182 | realCallee = js::UncheckedUnwrap(realCallee); | |||
| 1183 | ||||
| 1184 | JS::Rooted<JS::Value> thisv(cx, args.thisv()); | |||
| 1185 | if (thisv.isNullOrUndefined()) { | |||
| 1186 | // Replace it with the global of our stashed callee, simulating the | |||
| 1187 | // global-assuming behavior of DOM methods. | |||
| 1188 | JS::Rooted<JSObject*> global(cx, JS::GetNonCCWObjectGlobal(realCallee)); | |||
| 1189 | if (!MaybeWrapObject(cx, &global)) { | |||
| 1190 | return false; | |||
| 1191 | } | |||
| 1192 | thisv.setObject(*global); | |||
| 1193 | } else if (!thisv.isObject()) { | |||
| 1194 | return ThrowInvalidThis(cx, args, false, prototypes::id::Window); | |||
| 1195 | } | |||
| 1196 | ||||
| 1197 | // We want to do an UncheckedUnwrap here, because we're going to directly | |||
| 1198 | // examine the principal of the inner window, if we have an inner window. | |||
| 1199 | JS::Rooted<JSObject*> unwrappedObj(cx, | |||
| 1200 | js::UncheckedUnwrap(&thisv.toObject())); | |||
| 1201 | nsGlobalWindowInner* inner = nullptr; | |||
| 1202 | { | |||
| 1203 | // Do the unwrap in the Realm of the object we're looking at. | |||
| 1204 | JSAutoRealm ar(cx, unwrappedObj); | |||
| 1205 | UNWRAP_MAYBE_CROSS_ORIGIN_OBJECT(Window, &unwrappedObj, inner, cx)mozilla::dom::UnwrapObject<mozilla::dom::prototypes::id::Window , mozilla::dom::Window_Binding::NativeType>( &unwrappedObj , inner, cx); | |||
| 1206 | } | |||
| 1207 | if (!inner) { | |||
| 1208 | return ThrowInvalidThis(cx, args, false, prototypes::id::Window); | |||
| 1209 | } | |||
| 1210 | ||||
| 1211 | nsIPrincipal* callerPrincipal = nsContentUtils::SubjectPrincipal(cx); | |||
| 1212 | if (!callerPrincipal->SubsumesConsideringDomain(inner->GetPrincipal())) { | |||
| 1213 | // Check whether it's a PDF viewer from our origin. | |||
| 1214 | nsCOMPtr<nsIPrincipal> pdfPrincipal = GetNoPDFJSPrincipal(inner); | |||
| 1215 | if (!pdfPrincipal || !callerPrincipal->Equals(pdfPrincipal)) { | |||
| 1216 | // Security error. | |||
| 1217 | return ThrowInvalidThis(cx, args, true, prototypes::id::Window); | |||
| 1218 | } | |||
| 1219 | } | |||
| 1220 | ||||
| 1221 | // Go ahead and enter the Realm of our real callee to call it. We'll pass it | |||
| 1222 | // our "thisv", just in case someone grabs a "print" method off one PDF | |||
| 1223 | // document and .call()s it on another one. | |||
| 1224 | { | |||
| 1225 | JSAutoRealm ar(cx, realCallee); | |||
| 1226 | if (!MaybeWrapValue(cx, &thisv)) { | |||
| 1227 | return false; | |||
| 1228 | } | |||
| 1229 | ||||
| 1230 | // Don't bother passing through the args; they will get ignored anyway. | |||
| 1231 | ||||
| 1232 | if (!JS::Call(cx, thisv, realCallee, JS::HandleValueArray::empty(), | |||
| 1233 | args.rval())) { | |||
| 1234 | return false; | |||
| 1235 | } | |||
| 1236 | } | |||
| 1237 | ||||
| 1238 | // Wrap the return value (not that there should be any!) into the right | |||
| 1239 | // compartment. | |||
| 1240 | return MaybeWrapValue(cx, args.rval()); | |||
| 1241 | } | |||
| 1242 | ||||
| 1243 | // static | |||
| 1244 | already_AddRefed<nsIPrincipal> nsOuterWindowProxy::GetNoPDFJSPrincipal( | |||
| 1245 | nsGlobalWindowInner* inner) { | |||
| 1246 | if (!nsContentUtils::IsPDFJS(inner->GetPrincipal())) { | |||
| 1247 | return nullptr; | |||
| 1248 | } | |||
| 1249 | ||||
| 1250 | if (Document* doc = inner->GetExtantDoc()) { | |||
| 1251 | if (nsCOMPtr<nsIPropertyBag2> propBag = | |||
| 1252 | do_QueryInterface(doc->GetChannel())) { | |||
| 1253 | nsCOMPtr<nsIPrincipal> principal( | |||
| 1254 | do_GetProperty(propBag, u"noPDFJSPrincipal"_ns)); | |||
| 1255 | return principal.forget(); | |||
| 1256 | } | |||
| 1257 | } | |||
| 1258 | return nullptr; | |||
| 1259 | } | |||
| 1260 | ||||
| 1261 | const nsOuterWindowProxy nsOuterWindowProxy::singleton; | |||
| 1262 | ||||
| 1263 | class nsChromeOuterWindowProxy : public nsOuterWindowProxy { | |||
| 1264 | public: | |||
| 1265 | constexpr nsChromeOuterWindowProxy() = default; | |||
| 1266 | ||||
| 1267 | const char* className(JSContext* cx, | |||
| 1268 | JS::Handle<JSObject*> wrapper) const override; | |||
| 1269 | ||||
| 1270 | static const nsChromeOuterWindowProxy singleton; | |||
| 1271 | }; | |||
| 1272 | ||||
| 1273 | const char* nsChromeOuterWindowProxy::className( | |||
| 1274 | JSContext* cx, JS::Handle<JSObject*> proxy) const { | |||
| 1275 | MOZ_ASSERT(js::IsProxy(proxy))do { static_assert( mozilla::detail::AssertionConditionType< decltype(js::IsProxy(proxy))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(js::IsProxy(proxy)))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("js::IsProxy(proxy)" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1275); AnnotateMozCrashReason("MOZ_ASSERT" "(" "js::IsProxy(proxy)" ")"); do { *((volatile int*)__null) = 1275; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1276 | ||||
| 1277 | return "ChromeWindow"; | |||
| 1278 | } | |||
| 1279 | ||||
| 1280 | const nsChromeOuterWindowProxy nsChromeOuterWindowProxy::singleton; | |||
| 1281 | ||||
| 1282 | static JSObject* NewOuterWindowProxy(JSContext* cx, | |||
| 1283 | JS::Handle<JSObject*> global, | |||
| 1284 | bool isChrome) { | |||
| 1285 | MOZ_ASSERT(JS_IsGlobalObject(global))do { static_assert( mozilla::detail::AssertionConditionType< decltype(JS_IsGlobalObject(global))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(JS_IsGlobalObject(global)))) , 0))) { do { } while (false); MOZ_ReportAssertionFailure("JS_IsGlobalObject(global)" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1285); AnnotateMozCrashReason("MOZ_ASSERT" "(" "JS_IsGlobalObject(global)" ")"); do { *((volatile int*)__null) = 1285; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1286 | ||||
| 1287 | JSAutoRealm ar(cx, global); | |||
| 1288 | ||||
| 1289 | js::WrapperOptions options; | |||
| 1290 | options.setClass(&OuterWindowProxyClass); | |||
| 1291 | JSObject* obj = | |||
| 1292 | js::Wrapper::New(cx, global, | |||
| 1293 | isChrome ? &nsChromeOuterWindowProxy::singleton | |||
| 1294 | : &nsOuterWindowProxy::singleton, | |||
| 1295 | options); | |||
| 1296 | MOZ_ASSERT_IF(obj, js::IsWindowProxy(obj))do { if (obj) { do { static_assert( mozilla::detail::AssertionConditionType <decltype(js::IsWindowProxy(obj))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(js::IsWindowProxy(obj)))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("js::IsWindowProxy(obj)" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1296); AnnotateMozCrashReason("MOZ_ASSERT" "(" "js::IsWindowProxy(obj)" ")"); do { *((volatile int*)__null) = 1296; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); } } while ( false); | |||
| 1297 | return obj; | |||
| 1298 | } | |||
| 1299 | ||||
| 1300 | //***************************************************************************** | |||
| 1301 | //*** nsGlobalWindowOuter: Object Management | |||
| 1302 | //***************************************************************************** | |||
| 1303 | ||||
| 1304 | nsGlobalWindowOuter::nsGlobalWindowOuter(uint64_t aWindowID) | |||
| 1305 | : nsPIDOMWindowOuter(aWindowID), | |||
| 1306 | mFullscreenHasChangedDuringProcessing(false), | |||
| 1307 | mForceFullScreenInWidget(false), | |||
| 1308 | mIsClosed(false), | |||
| 1309 | mInClose(false), | |||
| 1310 | mHavePendingClose(false), | |||
| 1311 | mBlockScriptedClosingFlag(false), | |||
| 1312 | mWasOffline(false), | |||
| 1313 | mCreatingInnerWindow(false), | |||
| 1314 | mIsChrome(false), | |||
| 1315 | mAllowScriptsToClose(false), | |||
| 1316 | mTopLevelOuterContentWindow(false), | |||
| 1317 | mDelayedPrintUntilAfterLoad(false), | |||
| 1318 | mDelayedCloseForPrinting(false), | |||
| 1319 | mShouldDelayPrintUntilAfterLoad(false), | |||
| 1320 | #ifdef DEBUG1 | |||
| 1321 | mSerial(0), | |||
| 1322 | mSetOpenerWindowCalled(false), | |||
| 1323 | #endif | |||
| 1324 | mCleanedUp(false), | |||
| 1325 | mCanSkipCCGeneration(0), | |||
| 1326 | mAutoActivateVRDisplayID(0) { | |||
| 1327 | AssertIsOnMainThread(); | |||
| 1328 | SetIsOnMainThread(); | |||
| 1329 | nsLayoutStatics::AddRef(); | |||
| 1330 | ||||
| 1331 | // Initialize the PRCList (this). | |||
| 1332 | PR_INIT_CLIST(this)do { (this)->next = (this); (this)->prev = (this); } while (0); | |||
| 1333 | ||||
| 1334 | // |this| is an outer window. Outer windows start out frozen and | |||
| 1335 | // remain frozen until they get an inner window. | |||
| 1336 | MOZ_ASSERT(IsFrozen())do { static_assert( mozilla::detail::AssertionConditionType< decltype(IsFrozen())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(IsFrozen()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("IsFrozen()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1336); AnnotateMozCrashReason("MOZ_ASSERT" "(" "IsFrozen()" ")"); do { *((volatile int*)__null) = 1336; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1337 | ||||
| 1338 | // We could have failed the first time through trying | |||
| 1339 | // to create the entropy collector, so we should | |||
| 1340 | // try to get one until we succeed. | |||
| 1341 | ||||
| 1342 | #ifdef DEBUG1 | |||
| 1343 | mSerial = nsContentUtils::InnerOrOuterWindowCreated(); | |||
| 1344 | ||||
| 1345 | MOZ_LOG(gDocShellAndDOMWindowLeakLogging, LogLevel::Info,do { const ::mozilla::LogModule* moz_real_module = gDocShellAndDOMWindowLeakLogging ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Info)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Info, "++DOMWINDOW == %d (%p) [pid = %d] [serial = %d] [outer = %p]\n" , nsContentUtils::GetCurrentInnerOrOuterWindowCount(), static_cast <void*>(ToCanonicalSupports(this)), getpid(), mSerial, nullptr ); } } while (0) | |||
| 1346 | ("++DOMWINDOW == %d (%p) [pid = %d] [serial = %d] [outer = %p]\n",do { const ::mozilla::LogModule* moz_real_module = gDocShellAndDOMWindowLeakLogging ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Info)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Info, "++DOMWINDOW == %d (%p) [pid = %d] [serial = %d] [outer = %p]\n" , nsContentUtils::GetCurrentInnerOrOuterWindowCount(), static_cast <void*>(ToCanonicalSupports(this)), getpid(), mSerial, nullptr ); } } while (0) | |||
| 1347 | nsContentUtils::GetCurrentInnerOrOuterWindowCount(),do { const ::mozilla::LogModule* moz_real_module = gDocShellAndDOMWindowLeakLogging ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Info)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Info, "++DOMWINDOW == %d (%p) [pid = %d] [serial = %d] [outer = %p]\n" , nsContentUtils::GetCurrentInnerOrOuterWindowCount(), static_cast <void*>(ToCanonicalSupports(this)), getpid(), mSerial, nullptr ); } } while (0) | |||
| 1348 | static_cast<void*>(ToCanonicalSupports(this)), getpid(), mSerial,do { const ::mozilla::LogModule* moz_real_module = gDocShellAndDOMWindowLeakLogging ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Info)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Info, "++DOMWINDOW == %d (%p) [pid = %d] [serial = %d] [outer = %p]\n" , nsContentUtils::GetCurrentInnerOrOuterWindowCount(), static_cast <void*>(ToCanonicalSupports(this)), getpid(), mSerial, nullptr ); } } while (0) | |||
| 1349 | nullptr))do { const ::mozilla::LogModule* moz_real_module = gDocShellAndDOMWindowLeakLogging ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Info)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Info, "++DOMWINDOW == %d (%p) [pid = %d] [serial = %d] [outer = %p]\n" , nsContentUtils::GetCurrentInnerOrOuterWindowCount(), static_cast <void*>(ToCanonicalSupports(this)), getpid(), mSerial, nullptr ); } } while (0); | |||
| 1350 | #endif | |||
| 1351 | ||||
| 1352 | MOZ_LOG(gDOMLeakPRLogOuter, LogLevel::Debug,do { const ::mozilla::LogModule* moz_real_module = gDOMLeakPRLogOuter ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "DOMWINDOW %p created outer=nullptr", this ); } } while (0) | |||
| 1353 | ("DOMWINDOW %p created outer=nullptr", this))do { const ::mozilla::LogModule* moz_real_module = gDOMLeakPRLogOuter ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "DOMWINDOW %p created outer=nullptr", this ); } } while (0); | |||
| 1354 | ||||
| 1355 | // Add ourselves to the outer windows list. | |||
| 1356 | MOZ_ASSERT(sOuterWindowsById, "Outer Windows hash table must be created!")do { static_assert( mozilla::detail::AssertionConditionType< decltype(sOuterWindowsById)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(sOuterWindowsById))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("sOuterWindowsById" " (" "Outer Windows hash table must be created!" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1356); AnnotateMozCrashReason("MOZ_ASSERT" "(" "sOuterWindowsById" ") (" "Outer Windows hash table must be created!" ")"); do { *((volatile int*)__null) = 1356; __attribute__((nomerge)) :: abort(); } while (false); } } while (false); | |||
| 1357 | ||||
| 1358 | // |this| is an outer window, add to the outer windows list. | |||
| 1359 | MOZ_ASSERT(!sOuterWindowsById->Contains(mWindowID),do { static_assert( mozilla::detail::AssertionConditionType< decltype(!sOuterWindowsById->Contains(mWindowID))>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(!sOuterWindowsById->Contains(mWindowID)))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!sOuterWindowsById->Contains(mWindowID)" " (" "This window shouldn't be in the hash table yet!" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1360); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!sOuterWindowsById->Contains(mWindowID)" ") (" "This window shouldn't be in the hash table yet!" ")") ; do { *((volatile int*)__null) = 1360; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 1360 | "This window shouldn't be in the hash table yet!")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!sOuterWindowsById->Contains(mWindowID))>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(!sOuterWindowsById->Contains(mWindowID)))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!sOuterWindowsById->Contains(mWindowID)" " (" "This window shouldn't be in the hash table yet!" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1360); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!sOuterWindowsById->Contains(mWindowID)" ") (" "This window shouldn't be in the hash table yet!" ")") ; do { *((volatile int*)__null) = 1360; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1361 | // We seem to see crashes in release builds because of null | |||
| 1362 | // |sOuterWindowsById|. | |||
| 1363 | if (sOuterWindowsById) { | |||
| 1364 | sOuterWindowsById->InsertOrUpdate(mWindowID, this); | |||
| 1365 | } | |||
| 1366 | } | |||
| 1367 | ||||
| 1368 | #ifdef DEBUG1 | |||
| 1369 | ||||
| 1370 | /* static */ | |||
| 1371 | void nsGlobalWindowOuter::AssertIsOnMainThread() { | |||
| 1372 | MOZ_ASSERT(NS_IsMainThread())do { static_assert( mozilla::detail::AssertionConditionType< decltype(NS_IsMainThread())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(NS_IsMainThread()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("NS_IsMainThread()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1372); AnnotateMozCrashReason("MOZ_ASSERT" "(" "NS_IsMainThread()" ")"); do { *((volatile int*)__null) = 1372; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1373 | } | |||
| 1374 | ||||
| 1375 | #endif // DEBUG | |||
| 1376 | ||||
| 1377 | /* static */ | |||
| 1378 | void nsGlobalWindowOuter::Init() { | |||
| 1379 | AssertIsOnMainThread(); | |||
| 1380 | ||||
| 1381 | NS_ASSERTION(gDOMLeakPRLogOuter,do { if (!(gDOMLeakPRLogOuter)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "gDOMLeakPRLogOuter should have been initialized!", "gDOMLeakPRLogOuter" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1382); MOZ_PretendNoReturn(); } } while (0) | |||
| 1382 | "gDOMLeakPRLogOuter should have been initialized!")do { if (!(gDOMLeakPRLogOuter)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "gDOMLeakPRLogOuter should have been initialized!", "gDOMLeakPRLogOuter" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1382); MOZ_PretendNoReturn(); } } while (0); | |||
| 1383 | ||||
| 1384 | sOuterWindowsById = new OuterWindowByIdTable(); | |||
| 1385 | } | |||
| 1386 | ||||
| 1387 | nsGlobalWindowOuter::~nsGlobalWindowOuter() { | |||
| 1388 | AssertIsOnMainThread(); | |||
| 1389 | ||||
| 1390 | if (sOuterWindowsById) { | |||
| 1391 | sOuterWindowsById->Remove(mWindowID); | |||
| 1392 | } | |||
| 1393 | ||||
| 1394 | nsContentUtils::InnerOrOuterWindowDestroyed(); | |||
| 1395 | ||||
| 1396 | #ifdef DEBUG1 | |||
| 1397 | if (MOZ_LOG_TEST(gDocShellAndDOMWindowLeakLogging, LogLevel::Info)(__builtin_expect(!!(mozilla::detail::log_test(gDocShellAndDOMWindowLeakLogging , LogLevel::Info)), 0))) { | |||
| 1398 | nsAutoCString url; | |||
| 1399 | if (mLastOpenedURI) { | |||
| 1400 | url = mLastOpenedURI->GetSpecOrDefault(); | |||
| 1401 | ||||
| 1402 | // Data URLs can be very long, so truncate to avoid flooding the log. | |||
| 1403 | const uint32_t maxURLLength = 1000; | |||
| 1404 | if (url.Length() > maxURLLength) { | |||
| 1405 | url.Truncate(maxURLLength); | |||
| 1406 | } | |||
| 1407 | } | |||
| 1408 | ||||
| 1409 | MOZ_LOG(do { const ::mozilla::LogModule* moz_real_module = gDocShellAndDOMWindowLeakLogging ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Info)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Info, "--DOMWINDOW == %d (%p) [pid = %d] [serial = %d] [outer = %p] [url = " "%s]\n", nsContentUtils::GetCurrentInnerOrOuterWindowCount() , static_cast<void*>(ToCanonicalSupports(this)), getpid (), mSerial, nullptr, url.get()); } } while (0) | |||
| 1410 | gDocShellAndDOMWindowLeakLogging, LogLevel::Info,do { const ::mozilla::LogModule* moz_real_module = gDocShellAndDOMWindowLeakLogging ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Info)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Info, "--DOMWINDOW == %d (%p) [pid = %d] [serial = %d] [outer = %p] [url = " "%s]\n", nsContentUtils::GetCurrentInnerOrOuterWindowCount() , static_cast<void*>(ToCanonicalSupports(this)), getpid (), mSerial, nullptr, url.get()); } } while (0) | |||
| 1411 | ("--DOMWINDOW == %d (%p) [pid = %d] [serial = %d] [outer = %p] [url = "do { const ::mozilla::LogModule* moz_real_module = gDocShellAndDOMWindowLeakLogging ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Info)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Info, "--DOMWINDOW == %d (%p) [pid = %d] [serial = %d] [outer = %p] [url = " "%s]\n", nsContentUtils::GetCurrentInnerOrOuterWindowCount() , static_cast<void*>(ToCanonicalSupports(this)), getpid (), mSerial, nullptr, url.get()); } } while (0) | |||
| 1412 | "%s]\n",do { const ::mozilla::LogModule* moz_real_module = gDocShellAndDOMWindowLeakLogging ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Info)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Info, "--DOMWINDOW == %d (%p) [pid = %d] [serial = %d] [outer = %p] [url = " "%s]\n", nsContentUtils::GetCurrentInnerOrOuterWindowCount() , static_cast<void*>(ToCanonicalSupports(this)), getpid (), mSerial, nullptr, url.get()); } } while (0) | |||
| 1413 | nsContentUtils::GetCurrentInnerOrOuterWindowCount(),do { const ::mozilla::LogModule* moz_real_module = gDocShellAndDOMWindowLeakLogging ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Info)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Info, "--DOMWINDOW == %d (%p) [pid = %d] [serial = %d] [outer = %p] [url = " "%s]\n", nsContentUtils::GetCurrentInnerOrOuterWindowCount() , static_cast<void*>(ToCanonicalSupports(this)), getpid (), mSerial, nullptr, url.get()); } } while (0) | |||
| 1414 | static_cast<void*>(ToCanonicalSupports(this)), getpid(), mSerial,do { const ::mozilla::LogModule* moz_real_module = gDocShellAndDOMWindowLeakLogging ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Info)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Info, "--DOMWINDOW == %d (%p) [pid = %d] [serial = %d] [outer = %p] [url = " "%s]\n", nsContentUtils::GetCurrentInnerOrOuterWindowCount() , static_cast<void*>(ToCanonicalSupports(this)), getpid (), mSerial, nullptr, url.get()); } } while (0) | |||
| 1415 | nullptr, url.get()))do { const ::mozilla::LogModule* moz_real_module = gDocShellAndDOMWindowLeakLogging ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Info)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Info, "--DOMWINDOW == %d (%p) [pid = %d] [serial = %d] [outer = %p] [url = " "%s]\n", nsContentUtils::GetCurrentInnerOrOuterWindowCount() , static_cast<void*>(ToCanonicalSupports(this)), getpid (), mSerial, nullptr, url.get()); } } while (0); | |||
| 1416 | } | |||
| 1417 | #endif | |||
| 1418 | ||||
| 1419 | MOZ_LOG(gDOMLeakPRLogOuter, LogLevel::Debug,do { const ::mozilla::LogModule* moz_real_module = gDOMLeakPRLogOuter ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "DOMWINDOW %p destroyed", this); } } while (0) | |||
| 1420 | ("DOMWINDOW %p destroyed", this))do { const ::mozilla::LogModule* moz_real_module = gDOMLeakPRLogOuter ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "DOMWINDOW %p destroyed", this); } } while (0); | |||
| 1421 | ||||
| 1422 | JSObject* proxy = GetWrapperMaybeDead(); | |||
| 1423 | if (proxy) { | |||
| 1424 | if (mBrowsingContext && mBrowsingContext->GetUnbarrieredWindowProxy()) { | |||
| 1425 | nsGlobalWindowOuter* outer = nsOuterWindowProxy::GetOuterWindow( | |||
| 1426 | mBrowsingContext->GetUnbarrieredWindowProxy()); | |||
| 1427 | // Check that the current WindowProxy object corresponds to this | |||
| 1428 | // nsGlobalWindowOuter, because we don't want to clear the WindowProxy if | |||
| 1429 | // we've replaced it with a cross-process WindowProxy. | |||
| 1430 | if (outer == this) { | |||
| 1431 | mBrowsingContext->ClearWindowProxy(); | |||
| 1432 | } | |||
| 1433 | } | |||
| 1434 | js::SetProxyReservedSlot(proxy, OUTER_WINDOW_SLOT, | |||
| 1435 | JS::PrivateValue(nullptr)); | |||
| 1436 | } | |||
| 1437 | ||||
| 1438 | // An outer window is destroyed with inner windows still possibly | |||
| 1439 | // alive, iterate through the inner windows and null out their | |||
| 1440 | // back pointer to this outer, and pull them out of the list of | |||
| 1441 | // inner windows. | |||
| 1442 | // | |||
| 1443 | // Our linked list of inner windows both contains (an nsGlobalWindowOuter), | |||
| 1444 | // and our inner windows (nsGlobalWindowInners). This means that we need to | |||
| 1445 | // use PRCList*. We can then compare that PRCList* to `this` to see if its an | |||
| 1446 | // inner or outer window. | |||
| 1447 | PRCList* w; | |||
| 1448 | while ((w = PR_LIST_HEAD(this)(this)->next) != this) { | |||
| 1449 | PR_REMOVE_AND_INIT_LINK(w)do { (w)->prev->next = (w)->next; (w)->next->prev = (w)->prev; (w)->next = (w); (w)->prev = (w); } while (0); | |||
| 1450 | } | |||
| 1451 | ||||
| 1452 | DropOuterWindowDocs(); | |||
| 1453 | ||||
| 1454 | // Outer windows are always supposed to call CleanUp before letting themselves | |||
| 1455 | // be destroyed. | |||
| 1456 | MOZ_ASSERT(mCleanedUp)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mCleanedUp)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mCleanedUp))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mCleanedUp", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1456); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mCleanedUp" ")"); do { *((volatile int*)__null) = 1456; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1457 | ||||
| 1458 | nsCOMPtr<nsIDeviceSensors> ac = do_GetService(NS_DEVICE_SENSORS_CONTRACTID"@mozilla.org/devicesensors;1"); | |||
| 1459 | if (ac) ac->RemoveWindowAsListener(this); | |||
| 1460 | ||||
| 1461 | nsLayoutStatics::Release(); | |||
| 1462 | } | |||
| 1463 | ||||
| 1464 | // static | |||
| 1465 | void nsGlobalWindowOuter::ShutDown() { | |||
| 1466 | AssertIsOnMainThread(); | |||
| 1467 | ||||
| 1468 | delete sOuterWindowsById; | |||
| 1469 | sOuterWindowsById = nullptr; | |||
| 1470 | } | |||
| 1471 | ||||
| 1472 | void nsGlobalWindowOuter::DropOuterWindowDocs() { | |||
| 1473 | MOZ_ASSERT_IF(mDoc, !mDoc->EventHandlingSuppressed())do { if (mDoc) { do { static_assert( mozilla::detail::AssertionConditionType <decltype(!mDoc->EventHandlingSuppressed())>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(!mDoc->EventHandlingSuppressed()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mDoc->EventHandlingSuppressed()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1473); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mDoc->EventHandlingSuppressed()" ")"); do { *((volatile int*)__null) = 1473; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); } } while ( false); | |||
| 1474 | mDoc = nullptr; | |||
| 1475 | mSuspendedDocs.Clear(); | |||
| 1476 | } | |||
| 1477 | ||||
| 1478 | void nsGlobalWindowOuter::CleanUp() { | |||
| 1479 | // Guarantee idempotence. | |||
| 1480 | if (mCleanedUp) return; | |||
| 1481 | mCleanedUp = true; | |||
| 1482 | ||||
| 1483 | StartDying(); | |||
| 1484 | ||||
| 1485 | mWindowUtils = nullptr; | |||
| 1486 | ||||
| 1487 | ClearControllers(); | |||
| 1488 | ||||
| 1489 | mContext = nullptr; // Forces Release | |||
| 1490 | mChromeEventHandler = nullptr; // Forces Release | |||
| 1491 | mParentTarget = nullptr; | |||
| 1492 | mMessageManager = nullptr; | |||
| 1493 | ||||
| 1494 | mArguments = nullptr; | |||
| 1495 | } | |||
| 1496 | ||||
| 1497 | void nsGlobalWindowOuter::ClearControllers() { | |||
| 1498 | if (mControllers) { | |||
| 1499 | uint32_t count; | |||
| 1500 | mControllers->GetControllerCount(&count); | |||
| 1501 | ||||
| 1502 | while (count--) { | |||
| 1503 | nsCOMPtr<nsIController> controller; | |||
| 1504 | mControllers->GetControllerAt(count, getter_AddRefs(controller)); | |||
| 1505 | ||||
| 1506 | nsCOMPtr<nsIControllerContext> context = do_QueryInterface(controller); | |||
| 1507 | if (context) context->SetCommandContext(nullptr); | |||
| 1508 | } | |||
| 1509 | ||||
| 1510 | mControllers = nullptr; | |||
| 1511 | } | |||
| 1512 | } | |||
| 1513 | ||||
| 1514 | //***************************************************************************** | |||
| 1515 | // nsGlobalWindowOuter::nsISupports | |||
| 1516 | //***************************************************************************** | |||
| 1517 | ||||
| 1518 | // QueryInterface implementation for nsGlobalWindowOuter | |||
| 1519 | NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsGlobalWindowOuter)nsresult nsGlobalWindowOuter::QueryInterface(const nsIID& aIID, void** aInstancePtr) { do { if (!(aInstancePtr)) { NS_DebugBreak (NS_DEBUG_ASSERTION, "QueryInterface requires a non-NULL destination!" , "aInstancePtr", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1519); MOZ_PretendNoReturn(); } } while (0); nsISupports* foundInterface ; if (TopThreeWordsEquals( aIID, (nsXPCOMCycleCollectionParticipant ::COMTypeInfo<nsXPCOMCycleCollectionParticipant, void>:: kIID), (nsCycleCollectionISupports::COMTypeInfo<nsCycleCollectionISupports , void>::kIID)) && (LowWordEquals(aIID, (nsXPCOMCycleCollectionParticipant ::COMTypeInfo<nsXPCOMCycleCollectionParticipant, void>:: kIID)) || LowWordEquals(aIID, (nsCycleCollectionISupports::COMTypeInfo <nsCycleCollectionISupports, void>::kIID)))) { if (LowWordEquals (aIID, (nsXPCOMCycleCollectionParticipant::COMTypeInfo<nsXPCOMCycleCollectionParticipant , void>::kIID))) { *aInstancePtr = nsGlobalWindowOuter::cycleCollection ::GetParticipant(); return NS_OK; } if (LowWordEquals(aIID, ( nsCycleCollectionISupports::COMTypeInfo<nsCycleCollectionISupports , void>::kIID))) { *aInstancePtr = nsGlobalWindowOuter::cycleCollection ::Upcast(this); return NS_OK; } foundInterface = nullptr; } else | |||
| 1520 | NS_WRAPPERCACHE_INTERFACE_MAP_ENTRYif (aIID.Equals((nsWrapperCache::COMTypeInfo<nsWrapperCache , void>::kIID))) { *aInstancePtr = static_cast<nsWrapperCache *>(this); return NS_OK; } else | |||
| 1521 | NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, EventTarget)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsISupports>)) foundInterface = static_cast <nsISupports*>(static_cast<EventTarget*>(this)); else | |||
| 1522 | NS_INTERFACE_MAP_ENTRY(nsIDOMWindow)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIDOMWindow>)) foundInterface = static_cast <nsIDOMWindow*>(this); else | |||
| 1523 | NS_INTERFACE_MAP_ENTRY(nsIGlobalObject)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIGlobalObject>)) foundInterface = static_cast<nsIGlobalObject*>(this); else | |||
| 1524 | NS_INTERFACE_MAP_ENTRY(nsIScriptGlobalObject)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIScriptGlobalObject>)) foundInterface = static_cast<nsIScriptGlobalObject*>(this); else | |||
| 1525 | NS_INTERFACE_MAP_ENTRY(nsIScriptObjectPrincipal)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIScriptObjectPrincipal>)) foundInterface = static_cast<nsIScriptObjectPrincipal*>(this); else | |||
| 1526 | NS_INTERFACE_MAP_ENTRY(mozilla::dom::EventTarget)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, mozilla::dom::EventTarget>)) foundInterface = static_cast<mozilla::dom::EventTarget*>(this); else | |||
| 1527 | NS_INTERFACE_MAP_ENTRY(nsPIDOMWindowOuter)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsPIDOMWindowOuter>)) foundInterface = static_cast<nsPIDOMWindowOuter*>(this); else | |||
| 1528 | NS_INTERFACE_MAP_ENTRY(mozIDOMWindowProxy)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, mozIDOMWindowProxy>)) foundInterface = static_cast<mozIDOMWindowProxy*>(this); else | |||
| 1529 | NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsISupportsWeakReference>)) foundInterface = static_cast<nsISupportsWeakReference*>(this); else | |||
| 1530 | NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIInterfaceRequestor>)) foundInterface = static_cast<nsIInterfaceRequestor*>(this); else | |||
| 1531 | NS_INTERFACE_MAP_ENDfoundInterface = 0; nsresult status; if (!foundInterface) { do { static_assert( mozilla::detail::AssertionConditionType< decltype(!aIID.Equals((nsISupports::COMTypeInfo<nsISupports , void>::kIID)))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!aIID.Equals((nsISupports::COMTypeInfo <nsISupports, void>::kIID))))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("!aIID.Equals((nsISupports::COMTypeInfo<nsISupports, void>::kIID))" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1531); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!aIID.Equals((nsISupports::COMTypeInfo<nsISupports, void>::kIID))" ")"); do { *((volatile int*)__null) = 1531; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); status = NS_NOINTERFACE ; } else { (foundInterface)->AddRef(); status = NS_OK; } * aInstancePtr = foundInterface; return status; } | |||
| 1532 | ||||
| 1533 | NS_IMPL_CYCLE_COLLECTING_ADDREF(nsGlobalWindowOuter)MozExternalRefCountType nsGlobalWindowOuter::AddRef(void) { static_assert (!std::is_destructible_v<nsGlobalWindowOuter>, "Reference-counted class " "nsGlobalWindowOuter" " should not have a public destructor. " "Make this class's destructor non-public"); do { static_assert ( mozilla::detail::AssertionConditionType<decltype(int32_t (mRefCnt) >= 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(int32_t(mRefCnt) >= 0))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("int32_t(mRefCnt) >= 0" " (" "illegal refcnt" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1533); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { *((volatile int*)__null) = 1533; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); _mOwningThread.AssertOwnership("nsGlobalWindowOuter" " not thread-safe"); nsISupports* base = nsGlobalWindowOuter ::cycleCollection::Upcast(this); nsrefcnt count = mRefCnt.incr (base); NS_LogAddRef((this), (count), ("nsGlobalWindowOuter") , (uint32_t)(sizeof(*this))); return count; } | |||
| 1534 | NS_IMPL_CYCLE_COLLECTING_RELEASE(nsGlobalWindowOuter)MozExternalRefCountType nsGlobalWindowOuter::Release(void) { do { static_assert( mozilla::detail::AssertionConditionType< decltype(int32_t(mRefCnt) > 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(int32_t(mRefCnt) > 0))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("int32_t(mRefCnt) > 0" " (" "dup release" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1534); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { *((volatile int*)__null) = 1534 ; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); _mOwningThread.AssertOwnership("nsGlobalWindowOuter" " not thread-safe"); nsISupports* base = nsGlobalWindowOuter ::cycleCollection::Upcast(this); nsrefcnt count = mRefCnt.decr (base); NS_LogRelease((this), (count), ("nsGlobalWindowOuter" )); return count; } void nsGlobalWindowOuter::DeleteCycleCollectable (void) { delete (this); } | |||
| 1535 | ||||
| 1536 | NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_BEGIN(nsGlobalWindowOuter)bool nsGlobalWindowOuter::cycleCollection::CanSkipReal(void* p , bool aRemovingAllowed) { nsGlobalWindowOuter* tmp = DowncastCCParticipant <nsGlobalWindowOuter>(p); | |||
| 1537 | if (tmp->IsBlackForCC(false)) { | |||
| 1538 | if (nsCCUncollectableMarker::InGeneration(tmp->mCanSkipCCGeneration)) { | |||
| 1539 | return true; | |||
| 1540 | } | |||
| 1541 | tmp->mCanSkipCCGeneration = nsCCUncollectableMarker::sGeneration; | |||
| 1542 | if (EventListenerManager* elm = tmp->GetExistingListenerManager()) { | |||
| 1543 | elm->MarkForCC(); | |||
| 1544 | } | |||
| 1545 | return true; | |||
| 1546 | } | |||
| 1547 | NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_END(void)tmp; return false; } | |||
| 1548 | ||||
| 1549 | NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_IN_CC_BEGIN(nsGlobalWindowOuter)bool nsGlobalWindowOuter::cycleCollection::CanSkipInCCReal(void * p) { nsGlobalWindowOuter* tmp = DowncastCCParticipant<nsGlobalWindowOuter >(p); | |||
| 1550 | return tmp->IsBlackForCC(true); | |||
| 1551 | NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_IN_CC_END(void)tmp; return false; } | |||
| 1552 | ||||
| 1553 | NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_THIS_BEGIN(nsGlobalWindowOuter)bool nsGlobalWindowOuter::cycleCollection::CanSkipThisReal(void * p) { nsGlobalWindowOuter* tmp = DowncastCCParticipant<nsGlobalWindowOuter >(p); | |||
| 1554 | return tmp->IsBlackForCC(false); | |||
| 1555 | NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_THIS_END(void)tmp; return false; } | |||
| 1556 | ||||
| 1557 | NS_IMPL_CYCLE_COLLECTION_CLASS(nsGlobalWindowOuter)nsGlobalWindowOuter::cycleCollection nsGlobalWindowOuter::_cycleCollectorGlobal ; | |||
| 1558 | ||||
| 1559 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INTERNAL(nsGlobalWindowOuter)nsresult nsGlobalWindowOuter::cycleCollection::TraverseNative ( void* p, nsCycleCollectionTraversalCallback& cb) { nsGlobalWindowOuter * tmp = DowncastCCParticipant<nsGlobalWindowOuter>(p); | |||
| 1560 | if (MOZ_UNLIKELY(cb.WantDebugInfo())(__builtin_expect(!!(cb.WantDebugInfo()), 0))) { | |||
| 1561 | char name[512]; | |||
| 1562 | nsAutoCString uri; | |||
| 1563 | if (tmp->mDoc && tmp->mDoc->GetDocumentURI()) { | |||
| 1564 | uri = tmp->mDoc->GetDocumentURI()->GetSpecOrDefault(); | |||
| 1565 | } | |||
| 1566 | SprintfLiteral(name, "nsGlobalWindowOuter # %" PRIu64"l" "u" " outer %s", | |||
| 1567 | tmp->mWindowID, uri.get()); | |||
| 1568 | cb.DescribeRefCountedNode(tmp->mRefCnt.get(), name); | |||
| 1569 | } else { | |||
| 1570 | NS_IMPL_CYCLE_COLLECTION_DESCRIBE(nsGlobalWindowOuter, tmp->mRefCnt.get())cb.DescribeRefCountedNode(tmp->mRefCnt.get(), "nsGlobalWindowOuter" ); | |||
| 1571 | } | |||
| 1572 | ||||
| 1573 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mContext)ImplCycleCollectionTraverse(cb, tmp->mContext, "mContext", 0); | |||
| 1574 | ||||
| 1575 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mControllers)ImplCycleCollectionTraverse(cb, tmp->mControllers, "mControllers" , 0); | |||
| 1576 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mArguments)ImplCycleCollectionTraverse(cb, tmp->mArguments, "mArguments" , 0); | |||
| 1577 | ||||
| 1578 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mLocalStorage)ImplCycleCollectionTraverse(cb, tmp->mLocalStorage, "mLocalStorage" , 0); | |||
| 1579 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mSuspendedDocs)ImplCycleCollectionTraverse(cb, tmp->mSuspendedDocs, "mSuspendedDocs" , 0); | |||
| 1580 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mDocumentPrincipal)ImplCycleCollectionTraverse(cb, tmp->mDocumentPrincipal, "mDocumentPrincipal" , 0); | |||
| 1581 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mDocumentCookiePrincipal)ImplCycleCollectionTraverse(cb, tmp->mDocumentCookiePrincipal , "mDocumentCookiePrincipal", 0); | |||
| 1582 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mDocumentStoragePrincipal)ImplCycleCollectionTraverse(cb, tmp->mDocumentStoragePrincipal , "mDocumentStoragePrincipal", 0); | |||
| 1583 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mDocumentPartitionedPrincipal)ImplCycleCollectionTraverse(cb, tmp->mDocumentPartitionedPrincipal , "mDocumentPartitionedPrincipal", 0); | |||
| 1584 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mDoc)ImplCycleCollectionTraverse(cb, tmp->mDoc, "mDoc", 0); | |||
| 1585 | ||||
| 1586 | // Traverse stuff from nsPIDOMWindow | |||
| 1587 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mChromeEventHandler)ImplCycleCollectionTraverse(cb, tmp->mChromeEventHandler, "mChromeEventHandler" , 0); | |||
| 1588 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mParentTarget)ImplCycleCollectionTraverse(cb, tmp->mParentTarget, "mParentTarget" , 0); | |||
| 1589 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mMessageManager)ImplCycleCollectionTraverse(cb, tmp->mMessageManager, "mMessageManager" , 0); | |||
| 1590 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mFrameElement)ImplCycleCollectionTraverse(cb, tmp->mFrameElement, "mFrameElement" , 0); | |||
| 1591 | ||||
| 1592 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mDocShell)ImplCycleCollectionTraverse(cb, tmp->mDocShell, "mDocShell" , 0); | |||
| 1593 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mBrowsingContext)ImplCycleCollectionTraverse(cb, tmp->mBrowsingContext, "mBrowsingContext" , 0); | |||
| 1594 | ||||
| 1595 | tmp->TraverseObjectsInGlobal(cb); | |||
| 1596 | ||||
| 1597 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mChromeFields.mBrowserDOMWindow)ImplCycleCollectionTraverse(cb, tmp->mChromeFields.mBrowserDOMWindow , "mChromeFields.mBrowserDOMWindow", 0); | |||
| 1598 | NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END(void)tmp; return NS_OK; } | |||
| 1599 | ||||
| 1600 | NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(nsGlobalWindowOuter)void nsGlobalWindowOuter::cycleCollection::Unlink(void* p) { nsGlobalWindowOuter * tmp = DowncastCCParticipant<nsGlobalWindowOuter>(p); | |||
| 1601 | NS_IMPL_CYCLE_COLLECTION_UNLINK_WEAK_REFERENCEtmp->ClearWeakReferences(); | |||
| 1602 | if (sOuterWindowsById) { | |||
| 1603 | sOuterWindowsById->Remove(tmp->mWindowID); | |||
| 1604 | } | |||
| 1605 | ||||
| 1606 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mContext)ImplCycleCollectionUnlink(tmp->mContext); | |||
| 1607 | ||||
| 1608 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mControllers)ImplCycleCollectionUnlink(tmp->mControllers); | |||
| 1609 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mArguments)ImplCycleCollectionUnlink(tmp->mArguments); | |||
| 1610 | ||||
| 1611 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mLocalStorage)ImplCycleCollectionUnlink(tmp->mLocalStorage); | |||
| 1612 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mSuspendedDocs)ImplCycleCollectionUnlink(tmp->mSuspendedDocs); | |||
| 1613 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mDocumentPrincipal)ImplCycleCollectionUnlink(tmp->mDocumentPrincipal); | |||
| 1614 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mDocumentCookiePrincipal)ImplCycleCollectionUnlink(tmp->mDocumentCookiePrincipal); | |||
| 1615 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mDocumentStoragePrincipal)ImplCycleCollectionUnlink(tmp->mDocumentStoragePrincipal); | |||
| 1616 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mDocumentPartitionedPrincipal)ImplCycleCollectionUnlink(tmp->mDocumentPartitionedPrincipal ); | |||
| 1617 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mDoc)ImplCycleCollectionUnlink(tmp->mDoc); | |||
| 1618 | ||||
| 1619 | // Unlink stuff from nsPIDOMWindow | |||
| 1620 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mChromeEventHandler)ImplCycleCollectionUnlink(tmp->mChromeEventHandler); | |||
| 1621 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mParentTarget)ImplCycleCollectionUnlink(tmp->mParentTarget); | |||
| 1622 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mMessageManager)ImplCycleCollectionUnlink(tmp->mMessageManager); | |||
| 1623 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mFrameElement)ImplCycleCollectionUnlink(tmp->mFrameElement); | |||
| 1624 | ||||
| 1625 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mDocShell)ImplCycleCollectionUnlink(tmp->mDocShell); | |||
| 1626 | if (tmp->mBrowsingContext) { | |||
| 1627 | if (tmp->mBrowsingContext->GetUnbarrieredWindowProxy()) { | |||
| 1628 | nsGlobalWindowOuter* outer = nsOuterWindowProxy::GetOuterWindow( | |||
| 1629 | tmp->mBrowsingContext->GetUnbarrieredWindowProxy()); | |||
| 1630 | // Check that the current WindowProxy object corresponds to this | |||
| 1631 | // nsGlobalWindowOuter, because we don't want to clear the WindowProxy if | |||
| 1632 | // we've replaced it with a cross-process WindowProxy. | |||
| 1633 | if (outer == tmp) { | |||
| 1634 | tmp->mBrowsingContext->ClearWindowProxy(); | |||
| 1635 | } | |||
| 1636 | } | |||
| 1637 | tmp->mBrowsingContext = nullptr; | |||
| 1638 | } | |||
| 1639 | ||||
| 1640 | tmp->UnlinkObjectsInGlobal(); | |||
| 1641 | ||||
| 1642 | if (tmp->IsChromeWindow()) { | |||
| 1643 | NS_IMPL_CYCLE_COLLECTION_UNLINK(mChromeFields.mBrowserDOMWindow)ImplCycleCollectionUnlink(tmp->mChromeFields.mBrowserDOMWindow ); | |||
| 1644 | } | |||
| 1645 | ||||
| 1646 | NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPERtmp->ReleaseWrapper(p); | |||
| 1647 | NS_IMPL_CYCLE_COLLECTION_UNLINK_END(void)tmp; } | |||
| 1648 | ||||
| 1649 | NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(nsGlobalWindowOuter)void nsGlobalWindowOuter::cycleCollection::Trace( void* p, const TraceCallbacks& aCallbacks, void* aClosure) { nsGlobalWindowOuter * tmp = DowncastCCParticipant<nsGlobalWindowOuter>(p); | |||
| 1650 | NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPERtmp->TraceWrapper(aCallbacks, aClosure); | |||
| 1651 | NS_IMPL_CYCLE_COLLECTION_TRACE_END(void)tmp; } | |||
| 1652 | ||||
| 1653 | bool nsGlobalWindowOuter::IsBlackForCC(bool aTracingNeeded) { | |||
| 1654 | if (!nsCCUncollectableMarker::sGeneration) { | |||
| 1655 | return false; | |||
| 1656 | } | |||
| 1657 | ||||
| 1658 | // Unlike most wrappers, the outer window wrapper is not a wrapper for | |||
| 1659 | // the outer window. Instead, the outer window wrapper holds the inner | |||
| 1660 | // window binding object, which in turn holds the nsGlobalWindowInner, which | |||
| 1661 | // has a strong reference to the nsGlobalWindowOuter. We're using the | |||
| 1662 | // mInnerWindow pointer as a flag for that whole chain. | |||
| 1663 | return (nsCCUncollectableMarker::InGeneration(GetMarkedCCGeneration()) || | |||
| 1664 | (mInnerWindow && HasKnownLiveWrapper())) && | |||
| 1665 | (!aTracingNeeded || HasNothingToTrace(ToSupports(this))); | |||
| 1666 | } | |||
| 1667 | ||||
| 1668 | //***************************************************************************** | |||
| 1669 | // nsGlobalWindowOuter::nsIScriptGlobalObject | |||
| 1670 | //***************************************************************************** | |||
| 1671 | ||||
| 1672 | bool nsGlobalWindowOuter::ShouldResistFingerprinting(RFPTarget aTarget) const { | |||
| 1673 | if (mDoc) { | |||
| 1674 | return mDoc->ShouldResistFingerprinting(aTarget); | |||
| 1675 | } | |||
| 1676 | return nsContentUtils::ShouldResistFingerprinting( | |||
| 1677 | "If we do not have a document then we do not have any context" | |||
| 1678 | "to make an informed RFP choice, so we fall back to the global pref", | |||
| 1679 | aTarget); | |||
| 1680 | } | |||
| 1681 | ||||
| 1682 | OriginTrials nsGlobalWindowOuter::Trials() const { | |||
| 1683 | return mInnerWindow ? nsGlobalWindowInner::Cast(mInnerWindow)->Trials() | |||
| 1684 | : OriginTrials(); | |||
| 1685 | } | |||
| 1686 | ||||
| 1687 | FontFaceSet* nsGlobalWindowOuter::GetFonts() { | |||
| 1688 | if (mDoc) { | |||
| 1689 | return mDoc->Fonts(); | |||
| 1690 | } | |||
| 1691 | return nullptr; | |||
| 1692 | } | |||
| 1693 | ||||
| 1694 | nsresult nsGlobalWindowOuter::EnsureScriptEnvironment() { | |||
| 1695 | if (GetWrapperPreserveColor()) { | |||
| 1696 | return NS_OK; | |||
| 1697 | } | |||
| 1698 | ||||
| 1699 | NS_ENSURE_STATE(!mCleanedUp)do { if ((__builtin_expect(!!(!(!mCleanedUp)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "!mCleanedUp" ") failed" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1699); return NS_ERROR_UNEXPECTED; } } while (false); | |||
| 1700 | ||||
| 1701 | NS_ASSERTION(!GetCurrentInnerWindowInternal(this),do { if (!(!GetCurrentInnerWindowInternal(this))) { NS_DebugBreak (NS_DEBUG_ASSERTION, "No cached wrapper, but we have an inner window?" , "!GetCurrentInnerWindowInternal(this)", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1702); MOZ_PretendNoReturn(); } } while (0) | |||
| 1702 | "No cached wrapper, but we have an inner window?")do { if (!(!GetCurrentInnerWindowInternal(this))) { NS_DebugBreak (NS_DEBUG_ASSERTION, "No cached wrapper, but we have an inner window?" , "!GetCurrentInnerWindowInternal(this)", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1702); MOZ_PretendNoReturn(); } } while (0); | |||
| 1703 | NS_ASSERTION(!mContext, "Will overwrite mContext!")do { if (!(!mContext)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Will overwrite mContext!" , "!mContext", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1703); MOZ_PretendNoReturn(); } } while (0); | |||
| 1704 | ||||
| 1705 | // If this window is an [i]frame, don't bother GC'ing when the frame's context | |||
| 1706 | // is destroyed since a GC will happen when the frameset or host document is | |||
| 1707 | // destroyed anyway. | |||
| 1708 | mContext = new nsJSContext(mBrowsingContext->IsTop(), this); | |||
| 1709 | return NS_OK; | |||
| 1710 | } | |||
| 1711 | ||||
| 1712 | nsIScriptContext* nsGlobalWindowOuter::GetScriptContext() { return mContext; } | |||
| 1713 | ||||
| 1714 | bool nsGlobalWindowOuter::WouldReuseInnerWindow(Document* aNewDocument) { | |||
| 1715 | // We reuse the inner window when: | |||
| 1716 | // a. We are currently at our original document. | |||
| 1717 | // b. At least one of the following conditions are true: | |||
| 1718 | // -- The new document is the same as the old document. This means that we're | |||
| 1719 | // getting called from document.open(). | |||
| 1720 | // -- The new document has the same origin as what we have loaded right now. | |||
| 1721 | ||||
| 1722 | if (!mDoc || !aNewDocument) { | |||
| 1723 | return false; | |||
| 1724 | } | |||
| 1725 | ||||
| 1726 | if (!mDoc->IsInitialDocument()) { | |||
| 1727 | return false; | |||
| 1728 | } | |||
| 1729 | ||||
| 1730 | #ifdef DEBUG1 | |||
| 1731 | { | |||
| 1732 | nsCOMPtr<nsIURI> uri; | |||
| 1733 | NS_GetURIWithoutRef(mDoc->GetDocumentURI(), getter_AddRefs(uri)); | |||
| 1734 | NS_ASSERTION(NS_IsAboutBlank(uri), "How'd this happen?")do { if (!(NS_IsAboutBlank(uri))) { NS_DebugBreak(NS_DEBUG_ASSERTION , "How'd this happen?", "NS_IsAboutBlank(uri)", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1734); MOZ_PretendNoReturn(); } } while (0); | |||
| 1735 | } | |||
| 1736 | #endif | |||
| 1737 | ||||
| 1738 | // Great, we're the original document, check for one of the other | |||
| 1739 | // conditions. | |||
| 1740 | ||||
| 1741 | if (mDoc == aNewDocument) { | |||
| 1742 | return true; | |||
| 1743 | } | |||
| 1744 | ||||
| 1745 | if (aNewDocument->IsStaticDocument()) { | |||
| 1746 | return false; | |||
| 1747 | } | |||
| 1748 | ||||
| 1749 | if (BasePrincipal::Cast(mDoc->NodePrincipal()) | |||
| 1750 | ->FastEqualsConsideringDomain(aNewDocument->NodePrincipal())) { | |||
| 1751 | // The origin is the same. | |||
| 1752 | return true; | |||
| 1753 | } | |||
| 1754 | ||||
| 1755 | return false; | |||
| 1756 | } | |||
| 1757 | ||||
| 1758 | void nsGlobalWindowOuter::SetInitialPrincipal( | |||
| 1759 | nsIPrincipal* aNewWindowPrincipal, nsIContentSecurityPolicy* aCSP, | |||
| 1760 | const Maybe<nsILoadInfo::CrossOriginEmbedderPolicy>& aCOEP) { | |||
| 1761 | // We should never create windows with an expanded principal. | |||
| 1762 | // If we have a system principal, make sure we're not using it for a content | |||
| 1763 | // docshell. | |||
| 1764 | // NOTE: Please keep this logic in sync with | |||
| 1765 | // nsAppShellService::JustCreateTopWindow | |||
| 1766 | if (nsContentUtils::IsExpandedPrincipal(aNewWindowPrincipal) || | |||
| 1767 | (aNewWindowPrincipal->IsSystemPrincipal() && | |||
| 1768 | GetBrowsingContext()->IsContent())) { | |||
| 1769 | aNewWindowPrincipal = nullptr; | |||
| 1770 | } | |||
| 1771 | ||||
| 1772 | // If there's an existing document, bail if it either: | |||
| 1773 | if (mDoc) { | |||
| 1774 | // (a) is not an initial about:blank document, or | |||
| 1775 | if (!mDoc->IsInitialDocument()) return; | |||
| 1776 | // (b) already has the correct principal. | |||
| 1777 | if (mDoc->NodePrincipal() == aNewWindowPrincipal) return; | |||
| 1778 | ||||
| 1779 | #ifdef DEBUG1 | |||
| 1780 | // If we have a document loaded at this point, it had better be about:blank. | |||
| 1781 | // Otherwise, something is really weird. An about:blank page has a | |||
| 1782 | // NullPrincipal. | |||
| 1783 | bool isNullPrincipal; | |||
| 1784 | MOZ_ASSERT(NS_SUCCEEDED(mDoc->NodePrincipal()->GetIsNullPrincipal(do { static_assert( mozilla::detail::AssertionConditionType< decltype(((bool)(__builtin_expect(!!(!NS_FAILED_impl(mDoc-> NodePrincipal()->GetIsNullPrincipal( &isNullPrincipal) )), 1))) && isNullPrincipal)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(((bool)(__builtin_expect(!!( !NS_FAILED_impl(mDoc->NodePrincipal()->GetIsNullPrincipal ( &isNullPrincipal))), 1))) && isNullPrincipal))) , 0))) { do { } while (false); MOZ_ReportAssertionFailure("((bool)(__builtin_expect(!!(!NS_FAILED_impl(mDoc->NodePrincipal()->GetIsNullPrincipal( &isNullPrincipal))), 1))) && isNullPrincipal" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1786); AnnotateMozCrashReason("MOZ_ASSERT" "(" "((bool)(__builtin_expect(!!(!NS_FAILED_impl(mDoc->NodePrincipal()->GetIsNullPrincipal( &isNullPrincipal))), 1))) && isNullPrincipal" ")"); do { *((volatile int*)__null) = 1786; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 1785 | &isNullPrincipal)) &&do { static_assert( mozilla::detail::AssertionConditionType< decltype(((bool)(__builtin_expect(!!(!NS_FAILED_impl(mDoc-> NodePrincipal()->GetIsNullPrincipal( &isNullPrincipal) )), 1))) && isNullPrincipal)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(((bool)(__builtin_expect(!!( !NS_FAILED_impl(mDoc->NodePrincipal()->GetIsNullPrincipal ( &isNullPrincipal))), 1))) && isNullPrincipal))) , 0))) { do { } while (false); MOZ_ReportAssertionFailure("((bool)(__builtin_expect(!!(!NS_FAILED_impl(mDoc->NodePrincipal()->GetIsNullPrincipal( &isNullPrincipal))), 1))) && isNullPrincipal" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1786); AnnotateMozCrashReason("MOZ_ASSERT" "(" "((bool)(__builtin_expect(!!(!NS_FAILED_impl(mDoc->NodePrincipal()->GetIsNullPrincipal( &isNullPrincipal))), 1))) && isNullPrincipal" ")"); do { *((volatile int*)__null) = 1786; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 1786 | isNullPrincipal)do { static_assert( mozilla::detail::AssertionConditionType< decltype(((bool)(__builtin_expect(!!(!NS_FAILED_impl(mDoc-> NodePrincipal()->GetIsNullPrincipal( &isNullPrincipal) )), 1))) && isNullPrincipal)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(((bool)(__builtin_expect(!!( !NS_FAILED_impl(mDoc->NodePrincipal()->GetIsNullPrincipal ( &isNullPrincipal))), 1))) && isNullPrincipal))) , 0))) { do { } while (false); MOZ_ReportAssertionFailure("((bool)(__builtin_expect(!!(!NS_FAILED_impl(mDoc->NodePrincipal()->GetIsNullPrincipal( &isNullPrincipal))), 1))) && isNullPrincipal" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1786); AnnotateMozCrashReason("MOZ_ASSERT" "(" "((bool)(__builtin_expect(!!(!NS_FAILED_impl(mDoc->NodePrincipal()->GetIsNullPrincipal( &isNullPrincipal))), 1))) && isNullPrincipal" ")"); do { *((volatile int*)__null) = 1786; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1787 | #endif | |||
| 1788 | } | |||
| 1789 | ||||
| 1790 | // Use the subject (or system) principal as the storage principal too until | |||
| 1791 | // the new window finishes navigating and gets a real storage principal. | |||
| 1792 | nsDocShell::Cast(GetDocShell()) | |||
| 1793 | ->CreateAboutBlankDocumentViewer(aNewWindowPrincipal, aNewWindowPrincipal, | |||
| 1794 | aCSP, nullptr, | |||
| 1795 | /* aIsInitialDocument */ true, aCOEP); | |||
| 1796 | ||||
| 1797 | if (mDoc) { | |||
| 1798 | MOZ_ASSERT(mDoc->IsInitialDocument(),do { static_assert( mozilla::detail::AssertionConditionType< decltype(mDoc->IsInitialDocument())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mDoc->IsInitialDocument() ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "mDoc->IsInitialDocument()" " (" "document should be initial document" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1799); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mDoc->IsInitialDocument()" ") (" "document should be initial document" ")"); do { *((volatile int*)__null) = 1799; __attribute__((nomerge)) ::abort(); } while (false); } } while (false) | |||
| 1799 | "document should be initial document")do { static_assert( mozilla::detail::AssertionConditionType< decltype(mDoc->IsInitialDocument())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mDoc->IsInitialDocument() ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "mDoc->IsInitialDocument()" " (" "document should be initial document" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1799); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mDoc->IsInitialDocument()" ") (" "document should be initial document" ")"); do { *((volatile int*)__null) = 1799; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); | |||
| 1800 | } | |||
| 1801 | ||||
| 1802 | RefPtr<PresShell> presShell = GetDocShell()->GetPresShell(); | |||
| 1803 | if (presShell && !presShell->DidInitialize()) { | |||
| 1804 | // Ensure that if someone plays with this document they will get | |||
| 1805 | // layout happening. | |||
| 1806 | presShell->Initialize(); | |||
| 1807 | } | |||
| 1808 | } | |||
| 1809 | ||||
| 1810 | #define WINDOWSTATEHOLDER_IID{ 0x0b917c3e, 0xbd50, 0x4683, { 0xaf, 0xc9, 0xc7, 0x81, 0x07, 0xae, 0x33, 0x26 } } \ | |||
| 1811 | { \ | |||
| 1812 | 0x0b917c3e, 0xbd50, 0x4683, { \ | |||
| 1813 | 0xaf, 0xc9, 0xc7, 0x81, 0x07, 0xae, 0x33, 0x26 \ | |||
| 1814 | } \ | |||
| 1815 | } | |||
| 1816 | ||||
| 1817 | class WindowStateHolder final : public nsISupports { | |||
| 1818 | public: | |||
| 1819 | NS_DECLARE_STATIC_IID_ACCESSOR(WINDOWSTATEHOLDER_IID)template <typename T, typename U> struct COMTypeInfo; | |||
| 1820 | NS_DECL_ISUPPORTSpublic: virtual nsresult QueryInterface(const nsIID& aIID , void** aInstancePtr) override; virtual MozExternalRefCountType AddRef(void) override; virtual MozExternalRefCountType Release (void) override; using HasThreadSafeRefCnt = std::false_type; protected: nsAutoRefCnt mRefCnt; nsAutoOwningThread _mOwningThread ; public: | |||
| 1821 | ||||
| 1822 | explicit WindowStateHolder(nsGlobalWindowInner* aWindow); | |||
| 1823 | ||||
| 1824 | nsGlobalWindowInner* GetInnerWindow() { return mInnerWindow; } | |||
| 1825 | ||||
| 1826 | void DidRestoreWindow() { | |||
| 1827 | mInnerWindow = nullptr; | |||
| 1828 | mInnerWindowReflector = nullptr; | |||
| 1829 | } | |||
| 1830 | ||||
| 1831 | protected: | |||
| 1832 | ~WindowStateHolder(); | |||
| 1833 | ||||
| 1834 | nsGlobalWindowInner* mInnerWindow; | |||
| 1835 | // We hold onto this to make sure the inner window doesn't go away. The outer | |||
| 1836 | // window ends up recalculating it anyway. | |||
| 1837 | JS::PersistentRooted<JSObject*> mInnerWindowReflector; | |||
| 1838 | }; | |||
| 1839 | ||||
| 1840 | NS_DEFINE_STATIC_IID_ACCESSOR(WindowStateHolder, WINDOWSTATEHOLDER_IID)template <typename T> struct WindowStateHolder::COMTypeInfo <WindowStateHolder, T> { static const nsIID kIID __attribute__ ((visibility("hidden"))); }; template <typename T> const nsIID WindowStateHolder::COMTypeInfo<WindowStateHolder, T >::kIID __attribute__((visibility("hidden"))) = { 0x0b917c3e , 0xbd50, 0x4683, { 0xaf, 0xc9, 0xc7, 0x81, 0x07, 0xae, 0x33, 0x26 } }; | |||
| 1841 | ||||
| 1842 | WindowStateHolder::WindowStateHolder(nsGlobalWindowInner* aWindow) | |||
| 1843 | : mInnerWindow(aWindow), | |||
| 1844 | mInnerWindowReflector(RootingCx(), aWindow->GetWrapper()) { | |||
| 1845 | MOZ_ASSERT(aWindow, "null window")do { static_assert( mozilla::detail::AssertionConditionType< decltype(aWindow)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aWindow))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aWindow" " (" "null window" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1845); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aWindow" ") (" "null window" ")"); do { *((volatile int*)__null) = 1845; __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false); | |||
| 1846 | ||||
| 1847 | aWindow->Suspend(); | |||
| 1848 | ||||
| 1849 | // When a global goes into the bfcache, we disable script. | |||
| 1850 | xpc::Scriptability::Get(mInnerWindowReflector).SetWindowAllowsScript(false); | |||
| 1851 | } | |||
| 1852 | ||||
| 1853 | WindowStateHolder::~WindowStateHolder() { | |||
| 1854 | if (mInnerWindow) { | |||
| 1855 | // This window was left in the bfcache and is now going away. We need to | |||
| 1856 | // free it up. | |||
| 1857 | // Note that FreeInnerObjects may already have been called on the | |||
| 1858 | // inner window if its outer has already had SetDocShell(null) | |||
| 1859 | // called. | |||
| 1860 | mInnerWindow->FreeInnerObjects(); | |||
| 1861 | } | |||
| 1862 | } | |||
| 1863 | ||||
| 1864 | NS_IMPL_ISUPPORTS(WindowStateHolder, WindowStateHolder)MozExternalRefCountType WindowStateHolder::AddRef(void) { static_assert (!std::is_destructible_v<WindowStateHolder>, "Reference-counted class " "WindowStateHolder" " should not have a public destructor. " "Make this class's destructor non-public"); do { static_assert ( mozilla::detail::AssertionConditionType<decltype(int32_t (mRefCnt) >= 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(int32_t(mRefCnt) >= 0))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("int32_t(mRefCnt) >= 0" " (" "illegal refcnt" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1864); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { *((volatile int*)__null) = 1864; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("WindowStateHolder" != nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!("WindowStateHolder" != nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "\"WindowStateHolder\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1864); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"WindowStateHolder\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 1864; __attribute__((nomerge)) ::abort(); } while (false) ; } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("WindowStateHolder" " not thread-safe"); nsrefcnt count = ++mRefCnt; NS_LogAddRef((this), (count), ("WindowStateHolder" ), (uint32_t)(sizeof(*this))); return count; } MozExternalRefCountType WindowStateHolder::Release(void) { do { static_assert( mozilla ::detail::AssertionConditionType<decltype(int32_t(mRefCnt) > 0)>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(int32_t(mRefCnt) > 0))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("int32_t(mRefCnt) > 0" " (" "dup release" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1864); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { *((volatile int*)__null) = 1864 ; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("WindowStateHolder" != nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!("WindowStateHolder" != nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "\"WindowStateHolder\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1864); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"WindowStateHolder\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 1864; __attribute__((nomerge)) ::abort(); } while (false) ; } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("WindowStateHolder" " not thread-safe"); const char* const nametmp = "WindowStateHolder"; nsrefcnt count = -- mRefCnt; NS_LogRelease((this), (count), (nametmp)); if (count == 0) { mRefCnt = 1; delete (this); return 0; } return count ; } nsresult WindowStateHolder::QueryInterface(const nsIID& aIID, void** aInstancePtr) { do { if (!(aInstancePtr)) { NS_DebugBreak (NS_DEBUG_ASSERTION, "QueryInterface requires a non-NULL destination!" , "aInstancePtr", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1864); MOZ_PretendNoReturn(); } } while (0); nsresult rv = NS_ERROR_FAILURE ; static_assert(1 > 0, "Need more arguments to NS_INTERFACE_TABLE" ); static const QITableEntry table[] = { {&mozilla::detail ::kImplementedIID<WindowStateHolder, WindowStateHolder> , int32_t( reinterpret_cast<char*>(static_cast<WindowStateHolder *>((WindowStateHolder*)0x1000)) - reinterpret_cast<char *>((WindowStateHolder*)0x1000))}, {&mozilla::detail::kImplementedIID <WindowStateHolder, nsISupports>, int32_t(reinterpret_cast <char*>(static_cast<nsISupports*>( static_cast< WindowStateHolder*>((WindowStateHolder*)0x1000))) - reinterpret_cast <char*>((WindowStateHolder*)0x1000))}, { nullptr, 0 } } ; static_assert((sizeof(table) / sizeof(table[0])) > 1, "need at least 1 interface" ); rv = NS_TableDrivenQI(static_cast<void*>(this), aIID , aInstancePtr, table); return rv; } | |||
| 1865 | ||||
| 1866 | bool nsGlobalWindowOuter::ComputeIsSecureContext(Document* aDocument, | |||
| 1867 | SecureContextFlags aFlags) { | |||
| 1868 | nsCOMPtr<nsIPrincipal> principal = aDocument->NodePrincipal(); | |||
| 1869 | if (principal->IsSystemPrincipal()) { | |||
| 1870 | return true; | |||
| 1871 | } | |||
| 1872 | ||||
| 1873 | // Implement https://w3c.github.io/webappsec-secure-contexts/#settings-object | |||
| 1874 | // With some modifications to allow for aFlags. | |||
| 1875 | ||||
| 1876 | bool hadNonSecureContextCreator = false; | |||
| 1877 | ||||
| 1878 | if (WindowContext* parentWindow = | |||
| 1879 | GetBrowsingContext()->GetParentWindowContext()) { | |||
| 1880 | hadNonSecureContextCreator = !parentWindow->GetIsSecureContext(); | |||
| 1881 | } | |||
| 1882 | ||||
| 1883 | if (hadNonSecureContextCreator) { | |||
| 1884 | return false; | |||
| 1885 | } | |||
| 1886 | ||||
| 1887 | if (nsContentUtils::HttpsStateIsModern(aDocument)) { | |||
| 1888 | return true; | |||
| 1889 | } | |||
| 1890 | ||||
| 1891 | if (principal->GetIsNullPrincipal()) { | |||
| 1892 | // If the NullPrincipal has a valid precursor URI we want to use it to | |||
| 1893 | // construct the principal otherwise we fall back to the original document | |||
| 1894 | // URI. | |||
| 1895 | nsCOMPtr<nsIPrincipal> precursorPrin = principal->GetPrecursorPrincipal(); | |||
| 1896 | nsCOMPtr<nsIURI> uri = precursorPrin ? precursorPrin->GetURI() : nullptr; | |||
| 1897 | if (!uri) { | |||
| 1898 | uri = aDocument->GetOriginalURI(); | |||
| 1899 | } | |||
| 1900 | // IsOriginPotentiallyTrustworthy doesn't care about origin attributes so | |||
| 1901 | // it doesn't actually matter what we use here, but reusing the document | |||
| 1902 | // principal's attributes is convenient. | |||
| 1903 | const OriginAttributes& attrs = principal->OriginAttributesRef(); | |||
| 1904 | // CreateContentPrincipal correctly gets a useful principal for blob: and | |||
| 1905 | // other URI_INHERITS_SECURITY_CONTEXT URIs. | |||
| 1906 | principal = BasePrincipal::CreateContentPrincipal(uri, attrs); | |||
| 1907 | if (NS_WARN_IF(!principal)NS_warn_if_impl(!principal, "!principal", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1907)) { | |||
| 1908 | return false; | |||
| 1909 | } | |||
| 1910 | } | |||
| 1911 | ||||
| 1912 | return principal->GetIsOriginPotentiallyTrustworthy(); | |||
| 1913 | } | |||
| 1914 | ||||
| 1915 | static bool InitializeLegacyNetscapeObject(JSContext* aCx, | |||
| 1916 | JS::Handle<JSObject*> aGlobal) { | |||
| 1917 | JSAutoRealm ar(aCx, aGlobal); | |||
| 1918 | ||||
| 1919 | // Note: MathJax depends on window.netscape being exposed. See bug 791526. | |||
| 1920 | JS::Rooted<JSObject*> obj(aCx); | |||
| 1921 | obj = JS_DefineObject(aCx, aGlobal, "netscape", nullptr); | |||
| 1922 | NS_ENSURE_TRUE(obj, false)do { if ((__builtin_expect(!!(!(obj)), 0))) { NS_DebugBreak(NS_DEBUG_WARNING , "NS_ENSURE_TRUE(" "obj" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1922); return false; } } while (false); | |||
| 1923 | ||||
| 1924 | obj = JS_DefineObject(aCx, obj, "security", nullptr); | |||
| 1925 | NS_ENSURE_TRUE(obj, false)do { if ((__builtin_expect(!!(!(obj)), 0))) { NS_DebugBreak(NS_DEBUG_WARNING , "NS_ENSURE_TRUE(" "obj" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1925); return false; } } while (false); | |||
| 1926 | ||||
| 1927 | return true; | |||
| 1928 | } | |||
| 1929 | ||||
| 1930 | struct MOZ_STACK_CLASS CompartmentFinderState { | |||
| 1931 | explicit CompartmentFinderState(nsIPrincipal* aPrincipal) | |||
| 1932 | : principal(aPrincipal), compartment(nullptr) {} | |||
| 1933 | ||||
| 1934 | // Input: we look for a compartment which is same-origin with the | |||
| 1935 | // given principal. | |||
| 1936 | nsIPrincipal* principal; | |||
| 1937 | ||||
| 1938 | // Output: We set this member if we find a compartment. | |||
| 1939 | JS::Compartment* compartment; | |||
| 1940 | }; | |||
| 1941 | ||||
| 1942 | static JS::CompartmentIterResult FindSameOriginCompartment( | |||
| 1943 | JSContext* aCx, void* aData, JS::Compartment* aCompartment) { | |||
| 1944 | auto* data = static_cast<CompartmentFinderState*>(aData); | |||
| 1945 | MOZ_ASSERT(!data->compartment, "Why are we getting called?")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!data->compartment)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!data->compartment))), 0) )) { do { } while (false); MOZ_ReportAssertionFailure("!data->compartment" " (" "Why are we getting called?" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 1945); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!data->compartment" ") (" "Why are we getting called?" ")"); do { *((volatile int *)__null) = 1945; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); | |||
| 1946 | ||||
| 1947 | // If this compartment is not safe to share across globals, don't do | |||
| 1948 | // anything with it; in particular we should not be getting a | |||
| 1949 | // CompartmentPrivate from such a compartment, because it may be in | |||
| 1950 | // the middle of being collected and its CompartmentPrivate may no | |||
| 1951 | // longer be valid. | |||
| 1952 | if (!js::IsSharableCompartment(aCompartment)) { | |||
| 1953 | return JS::CompartmentIterResult::KeepGoing; | |||
| 1954 | } | |||
| 1955 | ||||
| 1956 | auto* compartmentPrivate = xpc::CompartmentPrivate::Get(aCompartment); | |||
| 1957 | if (!compartmentPrivate->CanShareCompartmentWith(data->principal)) { | |||
| 1958 | // Can't reuse this one, keep going. | |||
| 1959 | return JS::CompartmentIterResult::KeepGoing; | |||
| 1960 | } | |||
| 1961 | ||||
| 1962 | // We have a winner! | |||
| 1963 | data->compartment = aCompartment; | |||
| 1964 | return JS::CompartmentIterResult::Stop; | |||
| 1965 | } | |||
| 1966 | ||||
| 1967 | static JS::RealmCreationOptions& SelectZone( | |||
| 1968 | JSContext* aCx, nsIPrincipal* aPrincipal, nsGlobalWindowInner* aNewInner, | |||
| 1969 | JS::RealmCreationOptions& aOptions) { | |||
| 1970 | // Use the shared system compartment for chrome windows. | |||
| 1971 | if (aPrincipal->IsSystemPrincipal()) { | |||
| 1972 | return aOptions.setExistingCompartment(xpc::PrivilegedJunkScope()); | |||
| 1973 | } | |||
| 1974 | ||||
| 1975 | BrowsingContext* bc = aNewInner->GetBrowsingContext(); | |||
| 1976 | if (bc->IsTop()) { | |||
| 1977 | // We're a toplevel load. Use a new zone. This way, when we do | |||
| 1978 | // zone-based compartment sharing we won't share compartments | |||
| 1979 | // across navigations. | |||
| 1980 | return aOptions.setNewCompartmentAndZone(); | |||
| 1981 | } | |||
| 1982 | ||||
| 1983 | // Find the in-process ancestor highest in the hierarchy. | |||
| 1984 | nsGlobalWindowInner* ancestor = nullptr; | |||
| 1985 | for (WindowContext* wc = bc->GetParentWindowContext(); wc; | |||
| 1986 | wc = wc->GetParentWindowContext()) { | |||
| 1987 | if (nsGlobalWindowInner* win = wc->GetInnerWindow()) { | |||
| 1988 | ancestor = win; | |||
| 1989 | } | |||
| 1990 | } | |||
| 1991 | ||||
| 1992 | // If we have an ancestor window, use its zone. | |||
| 1993 | if (ancestor && ancestor->GetGlobalJSObject()) { | |||
| 1994 | JS::Zone* zone = JS::GetObjectZone(ancestor->GetGlobalJSObject()); | |||
| 1995 | // Now try to find an existing compartment that's same-origin | |||
| 1996 | // with our principal. | |||
| 1997 | CompartmentFinderState data(aPrincipal); | |||
| 1998 | JS_IterateCompartmentsInZone(aCx, zone, &data, FindSameOriginCompartment); | |||
| 1999 | if (data.compartment) { | |||
| 2000 | return aOptions.setExistingCompartment(data.compartment); | |||
| 2001 | } | |||
| 2002 | return aOptions.setNewCompartmentInExistingZone( | |||
| 2003 | ancestor->GetGlobalJSObject()); | |||
| 2004 | } | |||
| 2005 | ||||
| 2006 | return aOptions.setNewCompartmentAndZone(); | |||
| 2007 | } | |||
| 2008 | ||||
| 2009 | /** | |||
| 2010 | * Create a new global object that will be used for an inner window. | |||
| 2011 | * Return the native global and an nsISupports 'holder' that can be used | |||
| 2012 | * to manage the lifetime of it. | |||
| 2013 | */ | |||
| 2014 | static nsresult CreateNativeGlobalForInner( | |||
| 2015 | JSContext* aCx, nsGlobalWindowInner* aNewInner, Document* aDocument, | |||
| 2016 | JS::MutableHandle<JSObject*> aGlobal, bool aIsSecureContext, | |||
| 2017 | bool aDefineSharedArrayBufferConstructor) { | |||
| 2018 | MOZ_ASSERT(aCx)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aCx)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(aCx))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("aCx", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2018); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aCx" ")"); do { *((volatile int*)__null) = 2018; __attribute__((nomerge)) :: abort(); } while (false); } } while (false); | |||
| 2019 | MOZ_ASSERT(aNewInner)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aNewInner)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aNewInner))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aNewInner", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2019); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aNewInner" ")" ); do { *((volatile int*)__null) = 2019; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2020 | ||||
| 2021 | nsCOMPtr<nsIURI> uri = aDocument->GetDocumentURI(); | |||
| 2022 | nsCOMPtr<nsIPrincipal> principal = aDocument->NodePrincipal(); | |||
| 2023 | MOZ_ASSERT(principal)do { static_assert( mozilla::detail::AssertionConditionType< decltype(principal)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(principal))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("principal", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2023); AnnotateMozCrashReason("MOZ_ASSERT" "(" "principal" ")" ); do { *((volatile int*)__null) = 2023; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2024 | ||||
| 2025 | // DOMWindow with nsEP is not supported, we have to make sure | |||
| 2026 | // no one creates one accidentally. | |||
| 2027 | nsCOMPtr<nsIExpandedPrincipal> nsEP = do_QueryInterface(principal); | |||
| 2028 | MOZ_RELEASE_ASSERT(!nsEP, "DOMWindow with nsEP is not supported")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!nsEP)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(!nsEP))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("!nsEP" " (" "DOMWindow with nsEP is not supported" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2028); AnnotateMozCrashReason("MOZ_RELEASE_ASSERT" "(" "!nsEP" ") (" "DOMWindow with nsEP is not supported" ")"); do { *((volatile int*)__null) = 2028; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); | |||
| 2029 | ||||
| 2030 | JS::RealmOptions options; | |||
| 2031 | JS::RealmCreationOptions& creationOptions = options.creationOptions(); | |||
| 2032 | ||||
| 2033 | SelectZone(aCx, principal, aNewInner, creationOptions); | |||
| 2034 | ||||
| 2035 | // Define the SharedArrayBuffer global constructor property only if shared | |||
| 2036 | // memory may be used and structured-cloned (e.g. through postMessage). | |||
| 2037 | // | |||
| 2038 | // When the global constructor property isn't defined, the SharedArrayBuffer | |||
| 2039 | // constructor can still be reached through Web Assembly. Omitting the global | |||
| 2040 | // property just prevents feature-tests from being misled. See bug 1624266. | |||
| 2041 | creationOptions.setDefineSharedArrayBufferConstructor( | |||
| 2042 | aDefineSharedArrayBufferConstructor); | |||
| 2043 | ||||
| 2044 | xpc::InitGlobalObjectOptions( | |||
| 2045 | options, principal->IsSystemPrincipal(), aIsSecureContext, | |||
| 2046 | aDocument->ShouldResistFingerprinting(RFPTarget::JSDateTimeUTC), | |||
| 2047 | aDocument->ShouldResistFingerprinting(RFPTarget::JSMathFdlibm), | |||
| 2048 | aDocument->ShouldResistFingerprinting(RFPTarget::JSLocale)); | |||
| 2049 | ||||
| 2050 | // Determine if we need the Components object. | |||
| 2051 | bool needComponents = principal->IsSystemPrincipal(); | |||
| 2052 | uint32_t flags = needComponents ? 0 : xpc::OMIT_COMPONENTS_OBJECT; | |||
| 2053 | flags |= xpc::DONT_FIRE_ONNEWGLOBALHOOK; | |||
| 2054 | ||||
| 2055 | if (!Window_Binding::Wrap(aCx, aNewInner, aNewInner, options, | |||
| 2056 | nsJSPrincipals::get(principal), aGlobal) || | |||
| 2057 | !xpc::InitGlobalObject(aCx, aGlobal, flags)) { | |||
| 2058 | return NS_ERROR_FAILURE; | |||
| 2059 | } | |||
| 2060 | ||||
| 2061 | MOZ_ASSERT(aNewInner->GetWrapperPreserveColor() == aGlobal)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aNewInner->GetWrapperPreserveColor() == aGlobal)> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(aNewInner->GetWrapperPreserveColor() == aGlobal)) ), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aNewInner->GetWrapperPreserveColor() == aGlobal" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2061); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aNewInner->GetWrapperPreserveColor() == aGlobal" ")"); do { *((volatile int*)__null) = 2061; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2062 | ||||
| 2063 | // Set the location information for the new global, so that tools like | |||
| 2064 | // about:memory may use that information | |||
| 2065 | xpc::SetLocationForGlobal(aGlobal, uri); | |||
| 2066 | ||||
| 2067 | if (!InitializeLegacyNetscapeObject(aCx, aGlobal)) { | |||
| 2068 | return NS_ERROR_FAILURE; | |||
| 2069 | } | |||
| 2070 | ||||
| 2071 | return NS_OK; | |||
| 2072 | } | |||
| 2073 | ||||
| 2074 | nsresult nsGlobalWindowOuter::SetNewDocument(Document* aDocument, | |||
| 2075 | nsISupports* aState, | |||
| 2076 | bool aForceReuseInnerWindow, | |||
| 2077 | WindowGlobalChild* aActor) { | |||
| 2078 | MOZ_ASSERT(mDocumentPrincipal == nullptr,do { static_assert( mozilla::detail::AssertionConditionType< decltype(mDocumentPrincipal == nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mDocumentPrincipal == nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "mDocumentPrincipal == nullptr" " (" "mDocumentPrincipal prematurely set!" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2079); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mDocumentPrincipal == nullptr" ") (" "mDocumentPrincipal prematurely set!" ")"); do { *((volatile int*)__null) = 2079; __attribute__((nomerge)) ::abort(); } while (false); } } while (false) | |||
| 2079 | "mDocumentPrincipal prematurely set!")do { static_assert( mozilla::detail::AssertionConditionType< decltype(mDocumentPrincipal == nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mDocumentPrincipal == nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "mDocumentPrincipal == nullptr" " (" "mDocumentPrincipal prematurely set!" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2079); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mDocumentPrincipal == nullptr" ") (" "mDocumentPrincipal prematurely set!" ")"); do { *((volatile int*)__null) = 2079; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); | |||
| 2080 | MOZ_ASSERT(mDocumentCookiePrincipal == nullptr,do { static_assert( mozilla::detail::AssertionConditionType< decltype(mDocumentCookiePrincipal == nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mDocumentCookiePrincipal == nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "mDocumentCookiePrincipal == nullptr" " (" "mDocumentCookiePrincipal prematurely set!" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2081); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mDocumentCookiePrincipal == nullptr" ") (" "mDocumentCookiePrincipal prematurely set!" ")"); do { *((volatile int*)__null) = 2081; __attribute__((nomerge)) :: abort(); } while (false); } } while (false) | |||
| 2081 | "mDocumentCookiePrincipal prematurely set!")do { static_assert( mozilla::detail::AssertionConditionType< decltype(mDocumentCookiePrincipal == nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mDocumentCookiePrincipal == nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "mDocumentCookiePrincipal == nullptr" " (" "mDocumentCookiePrincipal prematurely set!" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2081); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mDocumentCookiePrincipal == nullptr" ") (" "mDocumentCookiePrincipal prematurely set!" ")"); do { *((volatile int*)__null) = 2081; __attribute__((nomerge)) :: abort(); } while (false); } } while (false); | |||
| 2082 | MOZ_ASSERT(mDocumentStoragePrincipal == nullptr,do { static_assert( mozilla::detail::AssertionConditionType< decltype(mDocumentStoragePrincipal == nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mDocumentStoragePrincipal == nullptr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("mDocumentStoragePrincipal == nullptr" " (" "mDocumentStoragePrincipal prematurely set!" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2083); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mDocumentStoragePrincipal == nullptr" ") (" "mDocumentStoragePrincipal prematurely set!" ")"); do { *((volatile int*)__null) = 2083; __attribute__((nomerge)) :: abort(); } while (false); } } while (false) | |||
| 2083 | "mDocumentStoragePrincipal prematurely set!")do { static_assert( mozilla::detail::AssertionConditionType< decltype(mDocumentStoragePrincipal == nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mDocumentStoragePrincipal == nullptr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("mDocumentStoragePrincipal == nullptr" " (" "mDocumentStoragePrincipal prematurely set!" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2083); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mDocumentStoragePrincipal == nullptr" ") (" "mDocumentStoragePrincipal prematurely set!" ")"); do { *((volatile int*)__null) = 2083; __attribute__((nomerge)) :: abort(); } while (false); } } while (false); | |||
| 2084 | MOZ_ASSERT(mDocumentPartitionedPrincipal == nullptr,do { static_assert( mozilla::detail::AssertionConditionType< decltype(mDocumentPartitionedPrincipal == nullptr)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(mDocumentPartitionedPrincipal == nullptr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mDocumentPartitionedPrincipal == nullptr" " (" "mDocumentPartitionedPrincipal prematurely set!" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2085); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mDocumentPartitionedPrincipal == nullptr" ") (" "mDocumentPartitionedPrincipal prematurely set!" ")"); do { *((volatile int*)__null) = 2085; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 2085 | "mDocumentPartitionedPrincipal prematurely set!")do { static_assert( mozilla::detail::AssertionConditionType< decltype(mDocumentPartitionedPrincipal == nullptr)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(mDocumentPartitionedPrincipal == nullptr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mDocumentPartitionedPrincipal == nullptr" " (" "mDocumentPartitionedPrincipal prematurely set!" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2085); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mDocumentPartitionedPrincipal == nullptr" ") (" "mDocumentPartitionedPrincipal prematurely set!" ")"); do { *((volatile int*)__null) = 2085; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2086 | MOZ_ASSERT(aDocument)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aDocument)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aDocument))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aDocument", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2086); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aDocument" ")" ); do { *((volatile int*)__null) = 2086; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2087 | ||||
| 2088 | // Bail out early if we're in process of closing down the window. | |||
| 2089 | NS_ENSURE_STATE(!mCleanedUp)do { if ((__builtin_expect(!!(!(!mCleanedUp)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "!mCleanedUp" ") failed" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2089); return NS_ERROR_UNEXPECTED; } } while (false); | |||
| 2090 | ||||
| 2091 | NS_ASSERTION(!GetCurrentInnerWindow() ||do { if (!(!GetCurrentInnerWindow() || GetCurrentInnerWindow( )->GetExtantDoc() == mDoc)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "Uh, mDoc doesn't match the current inner window " "document!" , "!GetCurrentInnerWindow() || GetCurrentInnerWindow()->GetExtantDoc() == mDoc" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2094); MOZ_PretendNoReturn(); } } while (0) | |||
| 2092 | GetCurrentInnerWindow()->GetExtantDoc() == mDoc,do { if (!(!GetCurrentInnerWindow() || GetCurrentInnerWindow( )->GetExtantDoc() == mDoc)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "Uh, mDoc doesn't match the current inner window " "document!" , "!GetCurrentInnerWindow() || GetCurrentInnerWindow()->GetExtantDoc() == mDoc" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2094); MOZ_PretendNoReturn(); } } while (0) | |||
| 2093 | "Uh, mDoc doesn't match the current inner window "do { if (!(!GetCurrentInnerWindow() || GetCurrentInnerWindow( )->GetExtantDoc() == mDoc)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "Uh, mDoc doesn't match the current inner window " "document!" , "!GetCurrentInnerWindow() || GetCurrentInnerWindow()->GetExtantDoc() == mDoc" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2094); MOZ_PretendNoReturn(); } } while (0) | |||
| 2094 | "document!")do { if (!(!GetCurrentInnerWindow() || GetCurrentInnerWindow( )->GetExtantDoc() == mDoc)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "Uh, mDoc doesn't match the current inner window " "document!" , "!GetCurrentInnerWindow() || GetCurrentInnerWindow()->GetExtantDoc() == mDoc" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2094); MOZ_PretendNoReturn(); } } while (0); | |||
| 2095 | bool wouldReuseInnerWindow = WouldReuseInnerWindow(aDocument); | |||
| 2096 | if (aForceReuseInnerWindow && !wouldReuseInnerWindow && mDoc && | |||
| 2097 | mDoc->NodePrincipal() != aDocument->NodePrincipal()) { | |||
| 2098 | NS_ERROR("Attempted forced inner window reuse while changing principal")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "Attempted forced inner window reuse while changing principal" , "Error", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2098); MOZ_PretendNoReturn(); } while (0); | |||
| 2099 | return NS_ERROR_UNEXPECTED; | |||
| 2100 | } | |||
| 2101 | ||||
| 2102 | if (!mBrowsingContext->AncestorsAreCurrent()) { | |||
| 2103 | return NS_ERROR_NOT_AVAILABLE; | |||
| 2104 | } | |||
| 2105 | ||||
| 2106 | RefPtr<Document> oldDoc = mDoc; | |||
| 2107 | MOZ_RELEASE_ASSERT(oldDoc != aDocument)do { static_assert( mozilla::detail::AssertionConditionType< decltype(oldDoc != aDocument)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(oldDoc != aDocument))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("oldDoc != aDocument" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2107); AnnotateMozCrashReason("MOZ_RELEASE_ASSERT" "(" "oldDoc != aDocument" ")"); do { *((volatile int*)__null) = 2107; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2108 | ||||
| 2109 | AutoJSAPI jsapi; | |||
| 2110 | jsapi.Init(); | |||
| 2111 | JSContext* cx = jsapi.cx(); | |||
| 2112 | ||||
| 2113 | // Check if we're anywhere near the stack limit before we reach the | |||
| 2114 | // transplanting code, since it has no good way to handle errors. This uses | |||
| 2115 | // the untrusted script limit, which is not strictly necessary since no | |||
| 2116 | // actual script should run. | |||
| 2117 | js::AutoCheckRecursionLimit recursion(cx); | |||
| 2118 | if (!recursion.checkConservativeDontReport(cx)) { | |||
| 2119 | NS_WARNING("Overrecursion in SetNewDocument")NS_DebugBreak(NS_DEBUG_WARNING, "Overrecursion in SetNewDocument" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2119); | |||
| 2120 | return NS_ERROR_FAILURE; | |||
| 2121 | } | |||
| 2122 | ||||
| 2123 | if (!mDoc) { | |||
| 2124 | // First document load. | |||
| 2125 | ||||
| 2126 | // Get our private root. If it is equal to us, then we need to | |||
| 2127 | // attach our global key bindings that handles browser scrolling | |||
| 2128 | // and other browser commands. | |||
| 2129 | nsPIDOMWindowOuter* privateRoot = GetPrivateRoot(); | |||
| 2130 | ||||
| 2131 | if (privateRoot == this) { | |||
| 2132 | RootWindowGlobalKeyListener::AttachKeyHandler(mChromeEventHandler); | |||
| 2133 | } | |||
| 2134 | } | |||
| 2135 | ||||
| 2136 | MaybeResetWindowName(aDocument); | |||
| 2137 | ||||
| 2138 | /* No mDocShell means we're already been partially closed down. When that | |||
| 2139 | happens, setting status isn't a big requirement, so don't. (Doesn't happen | |||
| 2140 | under normal circumstances, but bug 49615 describes a case.) */ | |||
| 2141 | ||||
| 2142 | nsContentUtils::AddScriptRunner( | |||
| 2143 | NewRunnableMethod("nsGlobalWindowOuter::ClearStatus", this, | |||
| 2144 | &nsGlobalWindowOuter::ClearStatus)); | |||
| 2145 | ||||
| 2146 | // Sometimes, WouldReuseInnerWindow() returns true even if there's no inner | |||
| 2147 | // window (see bug 776497). Be safe. | |||
| 2148 | bool reUseInnerWindow = (aForceReuseInnerWindow || wouldReuseInnerWindow) && | |||
| 2149 | GetCurrentInnerWindowInternal(this); | |||
| 2150 | ||||
| 2151 | nsresult rv; | |||
| 2152 | ||||
| 2153 | // We set mDoc even though this is an outer window to avoid | |||
| 2154 | // having to *always* reach into the inner window to find the | |||
| 2155 | // document. | |||
| 2156 | mDoc = aDocument; | |||
| 2157 | ||||
| 2158 | nsDocShell::Cast(mDocShell)->MaybeRestoreWindowName(); | |||
| 2159 | ||||
| 2160 | // We drop the print request for the old document on the floor, it never made | |||
| 2161 | // it. We don't close the window here either even if we were asked to. | |||
| 2162 | mShouldDelayPrintUntilAfterLoad = true; | |||
| 2163 | mDelayedCloseForPrinting = false; | |||
| 2164 | mDelayedPrintUntilAfterLoad = false; | |||
| 2165 | ||||
| 2166 | // Take this opportunity to clear mSuspendedDocs. Our old inner window is now | |||
| 2167 | // responsible for unsuspending it. | |||
| 2168 | mSuspendedDocs.Clear(); | |||
| 2169 | ||||
| 2170 | #ifdef DEBUG1 | |||
| 2171 | mLastOpenedURI = aDocument->GetDocumentURI(); | |||
| 2172 | #endif | |||
| 2173 | ||||
| 2174 | RefPtr<nsGlobalWindowInner> currentInner = | |||
| 2175 | GetCurrentInnerWindowInternal(this); | |||
| 2176 | ||||
| 2177 | if (currentInner && currentInner->mNavigator) { | |||
| 2178 | currentInner->mNavigator->OnNavigation(); | |||
| 2179 | } | |||
| 2180 | ||||
| 2181 | RefPtr<nsGlobalWindowInner> newInnerWindow; | |||
| 2182 | bool createdInnerWindow = false; | |||
| 2183 | ||||
| 2184 | bool thisChrome = IsChromeWindow(); | |||
| 2185 | ||||
| 2186 | nsCOMPtr<WindowStateHolder> wsh = do_QueryInterface(aState); | |||
| 2187 | NS_ASSERTION(!aState || wsh,do { if (!(!aState || wsh)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "What kind of weird state are you giving me here?", "!aState || wsh" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2188); MOZ_PretendNoReturn(); } } while (0) | |||
| 2188 | "What kind of weird state are you giving me here?")do { if (!(!aState || wsh)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "What kind of weird state are you giving me here?", "!aState || wsh" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2188); MOZ_PretendNoReturn(); } } while (0); | |||
| 2189 | ||||
| 2190 | bool doomCurrentInner = false; | |||
| 2191 | ||||
| 2192 | // Only non-gray (i.e. exposed to JS) objects should be assigned to | |||
| 2193 | // newInnerGlobal. | |||
| 2194 | JS::Rooted<JSObject*> newInnerGlobal(cx); | |||
| 2195 | if (reUseInnerWindow) { | |||
| 2196 | // We're reusing the current inner window. | |||
| 2197 | NS_ASSERTION(!currentInner->IsFrozen(),do { if (!(!currentInner->IsFrozen())) { NS_DebugBreak(NS_DEBUG_ASSERTION , "We should never be reusing a shared inner window", "!currentInner->IsFrozen()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2198); MOZ_PretendNoReturn(); } } while (0) | |||
| 2198 | "We should never be reusing a shared inner window")do { if (!(!currentInner->IsFrozen())) { NS_DebugBreak(NS_DEBUG_ASSERTION , "We should never be reusing a shared inner window", "!currentInner->IsFrozen()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2198); MOZ_PretendNoReturn(); } } while (0); | |||
| 2199 | newInnerWindow = currentInner; | |||
| 2200 | newInnerGlobal = currentInner->GetWrapper(); | |||
| 2201 | ||||
| 2202 | // We're reusing the inner window, but this still counts as a navigation, | |||
| 2203 | // so all expandos and such defined on the outer window should go away. | |||
| 2204 | // Force all Xray wrappers to be recomputed. | |||
| 2205 | JS::Rooted<JSObject*> rootedObject(cx, GetWrapper()); | |||
| 2206 | if (!JS_RefreshCrossCompartmentWrappers(cx, rootedObject)) { | |||
| 2207 | return NS_ERROR_FAILURE; | |||
| 2208 | } | |||
| 2209 | ||||
| 2210 | // Inner windows are only reused for same-origin principals, but the | |||
| 2211 | // principals don't necessarily match exactly. Update the principal on the | |||
| 2212 | // realm to match the new document. NB: We don't just call | |||
| 2213 | // currentInner->RefreshRealmPrincipals() here because we haven't yet set | |||
| 2214 | // its mDoc to aDocument. | |||
| 2215 | JS::Realm* realm = js::GetNonCCWObjectRealm(newInnerGlobal); | |||
| 2216 | #ifdef DEBUG1 | |||
| 2217 | bool sameOrigin = false; | |||
| 2218 | nsIPrincipal* existing = nsJSPrincipals::get(JS::GetRealmPrincipals(realm)); | |||
| 2219 | aDocument->NodePrincipal()->Equals(existing, &sameOrigin); | |||
| 2220 | MOZ_ASSERT(sameOrigin)do { static_assert( mozilla::detail::AssertionConditionType< decltype(sameOrigin)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(sameOrigin))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("sameOrigin", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2220); AnnotateMozCrashReason("MOZ_ASSERT" "(" "sameOrigin" ")"); do { *((volatile int*)__null) = 2220; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2221 | #endif | |||
| 2222 | JS::SetRealmPrincipals(realm, | |||
| 2223 | nsJSPrincipals::get(aDocument->NodePrincipal())); | |||
| 2224 | } else { | |||
| 2225 | if (aState) { | |||
| 2226 | newInnerWindow = wsh->GetInnerWindow(); | |||
| 2227 | newInnerGlobal = newInnerWindow->GetWrapper(); | |||
| 2228 | } else { | |||
| 2229 | newInnerWindow = nsGlobalWindowInner::Create(this, thisChrome, aActor); | |||
| 2230 | if (StaticPrefs::dom_timeout_defer_during_load()) { | |||
| 2231 | // ensure the initial loading state is known | |||
| 2232 | newInnerWindow->SetActiveLoadingState( | |||
| 2233 | aDocument->GetReadyStateEnum() == | |||
| 2234 | Document::ReadyState::READYSTATE_LOADING); | |||
| 2235 | } | |||
| 2236 | ||||
| 2237 | // The outer window is automatically treated as frozen when we | |||
| 2238 | // null out the inner window. As a result, initializing classes | |||
| 2239 | // on the new inner won't end up reaching into the old inner | |||
| 2240 | // window for classes etc. | |||
| 2241 | // | |||
| 2242 | // [This happens with Object.prototype when XPConnect creates | |||
| 2243 | // a temporary global while initializing classes; the reason | |||
| 2244 | // being that xpconnect creates the temp global w/o a parent | |||
| 2245 | // and proto, which makes the JS engine look up classes in | |||
| 2246 | // cx->globalObject, i.e. this outer window]. | |||
| 2247 | ||||
| 2248 | mInnerWindow = nullptr; | |||
| 2249 | ||||
| 2250 | mCreatingInnerWindow = true; | |||
| 2251 | ||||
| 2252 | // The SharedArrayBuffer global constructor property should not be present | |||
| 2253 | // in a fresh global object when shared memory objects aren't allowed | |||
| 2254 | // (because COOP/COEP support isn't enabled, or because COOP/COEP don't | |||
| 2255 | // act to isolate this page to a separate process). | |||
| 2256 | ||||
| 2257 | // Every script context we are initialized with must create a | |||
| 2258 | // new global. | |||
| 2259 | rv = CreateNativeGlobalForInner( | |||
| 2260 | cx, newInnerWindow, aDocument, &newInnerGlobal, | |||
| 2261 | ComputeIsSecureContext(aDocument), | |||
| 2262 | newInnerWindow->IsSharedMemoryAllowedInternal( | |||
| 2263 | aDocument->NodePrincipal())); | |||
| 2264 | NS_ASSERTION(do { if (!(((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1 ))) && newInnerGlobal && newInnerWindow->GetWrapperPreserveColor () == newInnerGlobal)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Failed to get script global" , "NS_SUCCEEDED(rv) && newInnerGlobal && newInnerWindow->GetWrapperPreserveColor() == newInnerGlobal" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2267); MOZ_PretendNoReturn(); } } while (0) | |||
| 2265 | NS_SUCCEEDED(rv) && newInnerGlobal &&do { if (!(((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1 ))) && newInnerGlobal && newInnerWindow->GetWrapperPreserveColor () == newInnerGlobal)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Failed to get script global" , "NS_SUCCEEDED(rv) && newInnerGlobal && newInnerWindow->GetWrapperPreserveColor() == newInnerGlobal" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2267); MOZ_PretendNoReturn(); } } while (0) | |||
| 2266 | newInnerWindow->GetWrapperPreserveColor() == newInnerGlobal,do { if (!(((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1 ))) && newInnerGlobal && newInnerWindow->GetWrapperPreserveColor () == newInnerGlobal)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Failed to get script global" , "NS_SUCCEEDED(rv) && newInnerGlobal && newInnerWindow->GetWrapperPreserveColor() == newInnerGlobal" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2267); MOZ_PretendNoReturn(); } } while (0) | |||
| 2267 | "Failed to get script global")do { if (!(((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1 ))) && newInnerGlobal && newInnerWindow->GetWrapperPreserveColor () == newInnerGlobal)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Failed to get script global" , "NS_SUCCEEDED(rv) && newInnerGlobal && newInnerWindow->GetWrapperPreserveColor() == newInnerGlobal" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2267); MOZ_PretendNoReturn(); } } while (0); | |||
| 2268 | ||||
| 2269 | mCreatingInnerWindow = false; | |||
| 2270 | createdInnerWindow = true; | |||
| 2271 | ||||
| 2272 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2272); return rv; } } while (false); | |||
| 2273 | } | |||
| 2274 | ||||
| 2275 | if (currentInner && currentInner->GetWrapperPreserveColor()) { | |||
| 2276 | // Don't free objects on our current inner window if it's going to be | |||
| 2277 | // held in the bfcache. | |||
| 2278 | if (!currentInner->IsFrozen()) { | |||
| 2279 | doomCurrentInner = true; | |||
| 2280 | } | |||
| 2281 | } | |||
| 2282 | ||||
| 2283 | mInnerWindow = newInnerWindow; | |||
| 2284 | MOZ_ASSERT(mInnerWindow)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mInnerWindow)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mInnerWindow))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mInnerWindow", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2284); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mInnerWindow" ")"); do { *((volatile int*)__null) = 2284; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2285 | mInnerWindow->TryToCacheTopInnerWindow(); | |||
| 2286 | ||||
| 2287 | if (!GetWrapperPreserveColor()) { | |||
| 2288 | JS::Rooted<JSObject*> outer( | |||
| 2289 | cx, NewOuterWindowProxy(cx, newInnerGlobal, thisChrome)); | |||
| 2290 | NS_ENSURE_TRUE(outer, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(outer)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "outer" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2290); return NS_ERROR_FAILURE; } } while (false); | |||
| 2291 | ||||
| 2292 | mBrowsingContext->CleanUpDanglingRemoteOuterWindowProxies(cx, &outer); | |||
| 2293 | MOZ_ASSERT(js::IsWindowProxy(outer))do { static_assert( mozilla::detail::AssertionConditionType< decltype(js::IsWindowProxy(outer))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(js::IsWindowProxy(outer)))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("js::IsWindowProxy(outer)" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2293); AnnotateMozCrashReason("MOZ_ASSERT" "(" "js::IsWindowProxy(outer)" ")"); do { *((volatile int*)__null) = 2293; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2294 | ||||
| 2295 | js::SetProxyReservedSlot(outer, OUTER_WINDOW_SLOT, | |||
| 2296 | JS::PrivateValue(ToSupports(this))); | |||
| 2297 | ||||
| 2298 | // Inform the nsJSContext, which is the canonical holder of the outer. | |||
| 2299 | mContext->SetWindowProxy(outer); | |||
| 2300 | ||||
| 2301 | SetWrapper(mContext->GetWindowProxy()); | |||
| 2302 | } else { | |||
| 2303 | JS::Rooted<JSObject*> outerObject( | |||
| 2304 | cx, NewOuterWindowProxy(cx, newInnerGlobal, thisChrome)); | |||
| 2305 | if (!outerObject) { | |||
| 2306 | NS_ERROR("out of memory")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "out of memory", "Error" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2306); MOZ_PretendNoReturn(); } while (0); | |||
| 2307 | return NS_ERROR_FAILURE; | |||
| 2308 | } | |||
| 2309 | ||||
| 2310 | JS::Rooted<JSObject*> obj(cx, GetWrapper()); | |||
| 2311 | ||||
| 2312 | MOZ_ASSERT(js::IsWindowProxy(obj))do { static_assert( mozilla::detail::AssertionConditionType< decltype(js::IsWindowProxy(obj))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(js::IsWindowProxy(obj)))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("js::IsWindowProxy(obj)" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2312); AnnotateMozCrashReason("MOZ_ASSERT" "(" "js::IsWindowProxy(obj)" ")"); do { *((volatile int*)__null) = 2312; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2313 | ||||
| 2314 | js::SetProxyReservedSlot(obj, OUTER_WINDOW_SLOT, | |||
| 2315 | JS::PrivateValue(nullptr)); | |||
| 2316 | js::SetProxyReservedSlot(outerObject, OUTER_WINDOW_SLOT, | |||
| 2317 | JS::PrivateValue(nullptr)); | |||
| 2318 | js::SetProxyReservedSlot(obj, HOLDER_WEAKMAP_SLOT, JS::UndefinedValue()); | |||
| 2319 | ||||
| 2320 | outerObject = xpc::TransplantObjectNukingXrayWaiver(cx, obj, outerObject); | |||
| 2321 | ||||
| 2322 | if (!outerObject) { | |||
| 2323 | mBrowsingContext->ClearWindowProxy(); | |||
| 2324 | NS_ERROR("unable to transplant wrappers, probably OOM")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "unable to transplant wrappers, probably OOM" , "Error", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2324); MOZ_PretendNoReturn(); } while (0); | |||
| 2325 | return NS_ERROR_FAILURE; | |||
| 2326 | } | |||
| 2327 | ||||
| 2328 | js::SetProxyReservedSlot(outerObject, OUTER_WINDOW_SLOT, | |||
| 2329 | JS::PrivateValue(ToSupports(this))); | |||
| 2330 | ||||
| 2331 | SetWrapper(outerObject); | |||
| 2332 | ||||
| 2333 | MOZ_ASSERT(JS::GetNonCCWObjectGlobal(outerObject) == newInnerGlobal)do { static_assert( mozilla::detail::AssertionConditionType< decltype(JS::GetNonCCWObjectGlobal(outerObject) == newInnerGlobal )>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(JS::GetNonCCWObjectGlobal(outerObject) == newInnerGlobal ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "JS::GetNonCCWObjectGlobal(outerObject) == newInnerGlobal", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2333); AnnotateMozCrashReason("MOZ_ASSERT" "(" "JS::GetNonCCWObjectGlobal(outerObject) == newInnerGlobal" ")"); do { *((volatile int*)__null) = 2333; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2334 | ||||
| 2335 | // Inform the nsJSContext, which is the canonical holder of the outer. | |||
| 2336 | mContext->SetWindowProxy(outerObject); | |||
| 2337 | } | |||
| 2338 | ||||
| 2339 | // Enter the new global's realm. | |||
| 2340 | JSAutoRealm ar(cx, GetWrapperPreserveColor()); | |||
| 2341 | ||||
| 2342 | { | |||
| 2343 | JS::Rooted<JSObject*> outer(cx, GetWrapperPreserveColor()); | |||
| 2344 | js::SetWindowProxy(cx, newInnerGlobal, outer); | |||
| 2345 | mBrowsingContext->SetWindowProxy(outer); | |||
| 2346 | } | |||
| 2347 | ||||
| 2348 | // Set scriptability based on the state of the WindowContext. | |||
| 2349 | WindowContext* wc = mInnerWindow->GetWindowContext(); | |||
| 2350 | bool allow = | |||
| 2351 | wc ? wc->CanExecuteScripts() : mBrowsingContext->CanExecuteScripts(); | |||
| 2352 | xpc::Scriptability::Get(GetWrapperPreserveColor()) | |||
| 2353 | .SetWindowAllowsScript(allow); | |||
| 2354 | ||||
| 2355 | if (!aState) { | |||
| 2356 | // Get the "window" property once so it will be cached on our inner. We | |||
| 2357 | // have to do this here, not in binding code, because this has to happen | |||
| 2358 | // after we've created the outer window proxy and stashed it in the outer | |||
| 2359 | // nsGlobalWindowOuter, so GetWrapperPreserveColor() on that outer | |||
| 2360 | // nsGlobalWindowOuter doesn't return null and | |||
| 2361 | // nsGlobalWindowOuter::OuterObject works correctly. | |||
| 2362 | JS::Rooted<JS::Value> unused(cx); | |||
| 2363 | if (!JS_GetProperty(cx, newInnerGlobal, "window", &unused)) { | |||
| 2364 | NS_ERROR("can't create the 'window' property")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "can't create the 'window' property" , "Error", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2364); MOZ_PretendNoReturn(); } while (0); | |||
| 2365 | return NS_ERROR_FAILURE; | |||
| 2366 | } | |||
| 2367 | ||||
| 2368 | // And same thing for the "self" property. | |||
| 2369 | if (!JS_GetProperty(cx, newInnerGlobal, "self", &unused)) { | |||
| 2370 | NS_ERROR("can't create the 'self' property")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "can't create the 'self' property" , "Error", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2370); MOZ_PretendNoReturn(); } while (0); | |||
| 2371 | return NS_ERROR_FAILURE; | |||
| 2372 | } | |||
| 2373 | } | |||
| 2374 | } | |||
| 2375 | ||||
| 2376 | JSAutoRealm ar(cx, GetWrapperPreserveColor()); | |||
| 2377 | ||||
| 2378 | if (!aState && !reUseInnerWindow) { | |||
| 2379 | // Loading a new page and creating a new inner window, *not* | |||
| 2380 | // restoring from session history. | |||
| 2381 | ||||
| 2382 | // Now that both the the inner and outer windows are initialized | |||
| 2383 | // let the script context do its magic to hook them together. | |||
| 2384 | MOZ_ASSERT(mContext->GetWindowProxy() == GetWrapperPreserveColor())do { static_assert( mozilla::detail::AssertionConditionType< decltype(mContext->GetWindowProxy() == GetWrapperPreserveColor ())>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(mContext->GetWindowProxy() == GetWrapperPreserveColor ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("mContext->GetWindowProxy() == GetWrapperPreserveColor()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2384); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mContext->GetWindowProxy() == GetWrapperPreserveColor()" ")"); do { *((volatile int*)__null) = 2384; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2385 | #ifdef DEBUG1 | |||
| 2386 | JS::Rooted<JSObject*> rootedJSObject(cx, GetWrapperPreserveColor()); | |||
| 2387 | JS::Rooted<JSObject*> proto1(cx), proto2(cx); | |||
| 2388 | JS_GetPrototype(cx, rootedJSObject, &proto1); | |||
| 2389 | JS_GetPrototype(cx, newInnerGlobal, &proto2); | |||
| 2390 | NS_ASSERTION(proto1 == proto2,do { if (!(proto1 == proto2)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "outer and inner globals should have the same prototype", "proto1 == proto2" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2391); MOZ_PretendNoReturn(); } } while (0) | |||
| 2391 | "outer and inner globals should have the same prototype")do { if (!(proto1 == proto2)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "outer and inner globals should have the same prototype", "proto1 == proto2" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2391); MOZ_PretendNoReturn(); } } while (0); | |||
| 2392 | #endif | |||
| 2393 | ||||
| 2394 | mInnerWindow->SyncStateFromParentWindow(); | |||
| 2395 | } | |||
| 2396 | ||||
| 2397 | // Add an extra ref in case we release mContext during GC. | |||
| 2398 | nsCOMPtr<nsIScriptContext> kungFuDeathGrip(mContext); | |||
| 2399 | ||||
| 2400 | // Make sure the inner's document is set correctly before we call | |||
| 2401 | // SetScriptGlobalObject, because that might try to examine document-dependent | |||
| 2402 | // state. Unfortunately, we can't do some of the other clearing/resetting | |||
| 2403 | // work we do below until after SetScriptGlobalObject(), because it might | |||
| 2404 | // depend on the document having the right scope object. | |||
| 2405 | if (aState) { | |||
| 2406 | MOZ_RELEASE_ASSERT(newInnerWindow->mDoc == aDocument)do { static_assert( mozilla::detail::AssertionConditionType< decltype(newInnerWindow->mDoc == aDocument)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(newInnerWindow->mDoc == aDocument ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "newInnerWindow->mDoc == aDocument", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2406); AnnotateMozCrashReason("MOZ_RELEASE_ASSERT" "(" "newInnerWindow->mDoc == aDocument" ")"); do { *((volatile int*)__null) = 2406; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2407 | } else { | |||
| 2408 | if (reUseInnerWindow) { | |||
| 2409 | MOZ_RELEASE_ASSERT(newInnerWindow->mDoc != aDocument)do { static_assert( mozilla::detail::AssertionConditionType< decltype(newInnerWindow->mDoc != aDocument)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(newInnerWindow->mDoc != aDocument ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "newInnerWindow->mDoc != aDocument", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2409); AnnotateMozCrashReason("MOZ_RELEASE_ASSERT" "(" "newInnerWindow->mDoc != aDocument" ")"); do { *((volatile int*)__null) = 2409; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2410 | } | |||
| 2411 | newInnerWindow->mDoc = aDocument; | |||
| 2412 | } | |||
| 2413 | ||||
| 2414 | aDocument->SetScriptGlobalObject(newInnerWindow); | |||
| 2415 | ||||
| 2416 | MOZ_RELEASE_ASSERT(newInnerWindow->mDoc == aDocument)do { static_assert( mozilla::detail::AssertionConditionType< decltype(newInnerWindow->mDoc == aDocument)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(newInnerWindow->mDoc == aDocument ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "newInnerWindow->mDoc == aDocument", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2416); AnnotateMozCrashReason("MOZ_RELEASE_ASSERT" "(" "newInnerWindow->mDoc == aDocument" ")"); do { *((volatile int*)__null) = 2416; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2417 | ||||
| 2418 | if (mBrowsingContext->IsTopContent()) { | |||
| 2419 | net::CookieJarSettings::Cast(aDocument->CookieJarSettings()) | |||
| 2420 | ->SetTopLevelWindowContextId(aDocument->InnerWindowID()); | |||
| 2421 | } | |||
| 2422 | ||||
| 2423 | newInnerWindow->RefreshReduceTimerPrecisionCallerType(); | |||
| 2424 | ||||
| 2425 | if (!aState) { | |||
| 2426 | if (reUseInnerWindow) { | |||
| 2427 | // The StorageAccess state may have changed. Invalidate the cached | |||
| 2428 | // StorageAllowed field, so that the next call to StorageAllowedForWindow | |||
| 2429 | // recomputes it. | |||
| 2430 | newInnerWindow->ClearStorageAllowedCache(); | |||
| 2431 | ||||
| 2432 | // The storage objects contain the URL of the window. We have to | |||
| 2433 | // recreate them when the innerWindow is reused. | |||
| 2434 | newInnerWindow->mLocalStorage = nullptr; | |||
| 2435 | newInnerWindow->mSessionStorage = nullptr; | |||
| 2436 | newInnerWindow->mPerformance = nullptr; | |||
| 2437 | ||||
| 2438 | // This must be called after nullifying the internal objects because | |||
| 2439 | // here we could recreate them, calling the getter methods, and store | |||
| 2440 | // them into the JS slots. If we nullify them after, the slot values and | |||
| 2441 | // the objects will be out of sync. | |||
| 2442 | newInnerWindow->ClearDocumentDependentSlots(cx); | |||
| 2443 | } else { | |||
| 2444 | newInnerWindow->InitDocumentDependentState(cx); | |||
| 2445 | ||||
| 2446 | // Initialize DOM classes etc on the inner window. | |||
| 2447 | JS::Rooted<JSObject*> obj(cx, newInnerGlobal); | |||
| 2448 | rv = kungFuDeathGrip->InitClasses(obj); | |||
| 2449 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2449); return rv; } } while (false); | |||
| 2450 | } | |||
| 2451 | ||||
| 2452 | // When replacing an initial about:blank document we call | |||
| 2453 | // ExecutionReady again to update the client creation URL. | |||
| 2454 | rv = newInnerWindow->ExecutionReady(); | |||
| 2455 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2455); return rv; } } while (false); | |||
| 2456 | ||||
| 2457 | if (mArguments) { | |||
| 2458 | newInnerWindow->DefineArgumentsProperty(mArguments); | |||
| 2459 | mArguments = nullptr; | |||
| 2460 | } | |||
| 2461 | ||||
| 2462 | // Give the new inner window our chrome event handler (since it | |||
| 2463 | // doesn't have one). | |||
| 2464 | newInnerWindow->mChromeEventHandler = mChromeEventHandler; | |||
| 2465 | } | |||
| 2466 | ||||
| 2467 | if (!aState && reUseInnerWindow) { | |||
| 2468 | // Notify our WindowGlobalChild that it has a new document. If `aState` was | |||
| 2469 | // passed, we're restoring the window from the BFCache, so the document | |||
| 2470 | // hasn't changed. | |||
| 2471 | // If we didn't have a window global child before, then initializing | |||
| 2472 | // it will have set all the required state, so we don't need to do | |||
| 2473 | // it again. | |||
| 2474 | mInnerWindow->GetWindowGlobalChild()->OnNewDocument(aDocument); | |||
| 2475 | } | |||
| 2476 | ||||
| 2477 | // Update the current window for our BrowsingContext. | |||
| 2478 | RefPtr<BrowsingContext> bc = GetBrowsingContext(); | |||
| 2479 | ||||
| 2480 | if (bc->IsOwnedByProcess()) { | |||
| 2481 | MOZ_ALWAYS_SUCCEEDS(bc->SetCurrentInnerWindowId(mInnerWindow->WindowID()))do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl (bc->SetCurrentInnerWindowId(mInnerWindow->WindowID())) ), 1)))), 1))) { } else { do { static_assert( mozilla::detail ::AssertionConditionType<decltype(false)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("false" " (" "NS_SUCCEEDED(bc->SetCurrentInnerWindowId(mInnerWindow->WindowID()))" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2481); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "false" ") (" "NS_SUCCEEDED(bc->SetCurrentInnerWindowId(mInnerWindow->WindowID()))" ")"); do { *((volatile int*)__null) = 2481; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); } } while ( false); | |||
| 2482 | } | |||
| 2483 | ||||
| 2484 | // We no longer need the old inner window. Start its destruction if | |||
| 2485 | // its not being reused and clear our reference. | |||
| 2486 | if (doomCurrentInner) { | |||
| 2487 | currentInner->FreeInnerObjects(); | |||
| 2488 | } | |||
| 2489 | currentInner = nullptr; | |||
| 2490 | ||||
| 2491 | // We wait to fire the debugger hook until the window is all set up and hooked | |||
| 2492 | // up with the outer. See bug 969156. | |||
| 2493 | if (createdInnerWindow) { | |||
| 2494 | nsContentUtils::AddScriptRunner(NewRunnableMethod( | |||
| 2495 | "nsGlobalWindowInner::FireOnNewGlobalObject", newInnerWindow, | |||
| 2496 | &nsGlobalWindowInner::FireOnNewGlobalObject)); | |||
| 2497 | } | |||
| 2498 | ||||
| 2499 | if (!newInnerWindow->mHasNotifiedGlobalCreated && mDoc) { | |||
| 2500 | // We should probably notify. However if this is the, arguably bad, | |||
| 2501 | // situation when we're creating a temporary non-chrome-about-blank | |||
| 2502 | // document in a chrome docshell, don't notify just yet. Instead wait | |||
| 2503 | // until we have a real chrome doc. | |||
| 2504 | const bool isContentAboutBlankInChromeDocshell = [&] { | |||
| 2505 | if (!mDocShell) { | |||
| 2506 | return false; | |||
| 2507 | } | |||
| 2508 | ||||
| 2509 | RefPtr<BrowsingContext> bc = mDocShell->GetBrowsingContext(); | |||
| 2510 | if (!bc || bc->GetType() != BrowsingContext::Type::Chrome) { | |||
| 2511 | return false; | |||
| 2512 | } | |||
| 2513 | ||||
| 2514 | return !mDoc->NodePrincipal()->IsSystemPrincipal(); | |||
| 2515 | }(); | |||
| 2516 | ||||
| 2517 | if (!isContentAboutBlankInChromeDocshell) { | |||
| 2518 | newInnerWindow->mHasNotifiedGlobalCreated = true; | |||
| 2519 | nsContentUtils::AddScriptRunner(NewRunnableMethod( | |||
| 2520 | "nsGlobalWindowOuter::DispatchDOMWindowCreated", this, | |||
| 2521 | &nsGlobalWindowOuter::DispatchDOMWindowCreated)); | |||
| 2522 | } | |||
| 2523 | } | |||
| 2524 | ||||
| 2525 | PreloadLocalStorage(); | |||
| 2526 | ||||
| 2527 | // Do this here rather than in say the Document constructor, since | |||
| 2528 | // we need a WindowContext available. | |||
| 2529 | mDoc->InitUseCounters(); | |||
| 2530 | ||||
| 2531 | return NS_OK; | |||
| 2532 | } | |||
| 2533 | ||||
| 2534 | /* static */ | |||
| 2535 | void nsGlobalWindowOuter::PrepareForProcessChange(JSObject* aProxy) { | |||
| 2536 | JS::Rooted<JSObject*> localProxy(RootingCx(), aProxy); | |||
| 2537 | MOZ_ASSERT(js::IsWindowProxy(localProxy))do { static_assert( mozilla::detail::AssertionConditionType< decltype(js::IsWindowProxy(localProxy))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(js::IsWindowProxy(localProxy )))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("js::IsWindowProxy(localProxy)", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2537); AnnotateMozCrashReason("MOZ_ASSERT" "(" "js::IsWindowProxy(localProxy)" ")"); do { *((volatile int*)__null) = 2537; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2538 | ||||
| 2539 | RefPtr<nsGlobalWindowOuter> outerWindow = | |||
| 2540 | nsOuterWindowProxy::GetOuterWindow(localProxy); | |||
| 2541 | if (!outerWindow) { | |||
| 2542 | return; | |||
| 2543 | } | |||
| 2544 | ||||
| 2545 | AutoJSAPI jsapi; | |||
| 2546 | jsapi.Init(); | |||
| 2547 | JSContext* cx = jsapi.cx(); | |||
| 2548 | ||||
| 2549 | JSAutoRealm ar(cx, localProxy); | |||
| 2550 | ||||
| 2551 | // Clear out existing references from the browsing context and outer window to | |||
| 2552 | // the proxy, and from the proxy to the outer window. These references will | |||
| 2553 | // become invalid once the proxy is transplanted. Clearing the window proxy | |||
| 2554 | // from the browsing context is also necessary to indicate that it is for an | |||
| 2555 | // out of process window. | |||
| 2556 | outerWindow->ClearWrapper(localProxy); | |||
| 2557 | RefPtr<BrowsingContext> bc = outerWindow->GetBrowsingContext(); | |||
| 2558 | MOZ_ASSERT(bc)do { static_assert( mozilla::detail::AssertionConditionType< decltype(bc)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(bc))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("bc", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2558); AnnotateMozCrashReason("MOZ_ASSERT" "(" "bc" ")"); do { *((volatile int*)__null) = 2558; __attribute__((nomerge)) :: abort(); } while (false); } } while (false); | |||
| 2559 | MOZ_ASSERT(bc->GetWindowProxy() == localProxy)do { static_assert( mozilla::detail::AssertionConditionType< decltype(bc->GetWindowProxy() == localProxy)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(! !(bc->GetWindowProxy() == localProxy))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("bc->GetWindowProxy() == localProxy" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2559); AnnotateMozCrashReason("MOZ_ASSERT" "(" "bc->GetWindowProxy() == localProxy" ")"); do { *((volatile int*)__null) = 2559; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2560 | bc->ClearWindowProxy(); | |||
| 2561 | js::SetProxyReservedSlot(localProxy, OUTER_WINDOW_SLOT, | |||
| 2562 | JS::PrivateValue(nullptr)); | |||
| 2563 | js::SetProxyReservedSlot(localProxy, HOLDER_WEAKMAP_SLOT, | |||
| 2564 | JS::UndefinedValue()); | |||
| 2565 | ||||
| 2566 | // Create a new remote outer window proxy, and transplant to it. | |||
| 2567 | JS::Rooted<JSObject*> remoteProxy(cx); | |||
| 2568 | ||||
| 2569 | if (!mozilla::dom::GetRemoteOuterWindowProxy(cx, bc, localProxy, | |||
| 2570 | &remoteProxy)) { | |||
| 2571 | MOZ_CRASH("PrepareForProcessChange GetRemoteOuterWindowProxy")do { do { } while (false); MOZ_ReportCrash("" "PrepareForProcessChange GetRemoteOuterWindowProxy" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2571); AnnotateMozCrashReason("MOZ_CRASH(" "PrepareForProcessChange GetRemoteOuterWindowProxy" ")"); do { *((volatile int*)__null) = 2571; __attribute__((nomerge )) ::abort(); } while (false); } while (false); | |||
| 2572 | } | |||
| 2573 | ||||
| 2574 | if (!xpc::TransplantObjectNukingXrayWaiver(cx, localProxy, remoteProxy)) { | |||
| 2575 | MOZ_CRASH("PrepareForProcessChange TransplantObject")do { do { } while (false); MOZ_ReportCrash("" "PrepareForProcessChange TransplantObject" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2575); AnnotateMozCrashReason("MOZ_CRASH(" "PrepareForProcessChange TransplantObject" ")"); do { *((volatile int*)__null) = 2575; __attribute__((nomerge )) ::abort(); } while (false); } while (false); | |||
| 2576 | } | |||
| 2577 | } | |||
| 2578 | ||||
| 2579 | void nsGlobalWindowOuter::PreloadLocalStorage() { | |||
| 2580 | if (!Storage::StoragePrefIsEnabled()) { | |||
| 2581 | return; | |||
| 2582 | } | |||
| 2583 | ||||
| 2584 | if (IsChromeWindow()) { | |||
| 2585 | return; | |||
| 2586 | } | |||
| 2587 | ||||
| 2588 | nsIPrincipal* principal = GetPrincipal(); | |||
| 2589 | nsIPrincipal* storagePrincipal = GetEffectiveStoragePrincipal(); | |||
| 2590 | if (!principal || !storagePrincipal) { | |||
| 2591 | return; | |||
| 2592 | } | |||
| 2593 | ||||
| 2594 | nsresult rv; | |||
| 2595 | ||||
| 2596 | nsCOMPtr<nsIDOMStorageManager> storageManager = | |||
| 2597 | do_GetService("@mozilla.org/dom/localStorage-manager;1", &rv); | |||
| 2598 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { | |||
| 2599 | return; | |||
| 2600 | } | |||
| 2601 | ||||
| 2602 | // private browsing windows do not persist local storage to disk so we should | |||
| 2603 | // only try to precache storage when we're not a private browsing window. | |||
| 2604 | if (!principal->GetIsInPrivateBrowsing()) { | |||
| 2605 | RefPtr<Storage> storage; | |||
| 2606 | rv = storageManager->PrecacheStorage(principal, storagePrincipal, | |||
| 2607 | getter_AddRefs(storage)); | |||
| 2608 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))) { | |||
| 2609 | mLocalStorage = storage; | |||
| 2610 | } | |||
| 2611 | } | |||
| 2612 | } | |||
| 2613 | ||||
| 2614 | void nsGlobalWindowOuter::DispatchDOMWindowCreated() { | |||
| 2615 | if (!mDoc) { | |||
| 2616 | return; | |||
| 2617 | } | |||
| 2618 | ||||
| 2619 | // Fire DOMWindowCreated at chrome event listeners | |||
| 2620 | nsContentUtils::DispatchChromeEvent(mDoc, mDoc, u"DOMWindowCreated"_ns, | |||
| 2621 | CanBubble::eYes, Cancelable::eNo); | |||
| 2622 | ||||
| 2623 | nsCOMPtr<nsIObserverService> observerService = | |||
| 2624 | mozilla::services::GetObserverService(); | |||
| 2625 | ||||
| 2626 | // The event dispatching could possibly cause docshell destory, and | |||
| 2627 | // consequently cause mDoc to be set to nullptr by DropOuterWindowDocs(), | |||
| 2628 | // so check it again here. | |||
| 2629 | if (observerService && mDoc) { | |||
| 2630 | nsAutoString origin; | |||
| 2631 | nsIPrincipal* principal = mDoc->NodePrincipal(); | |||
| 2632 | nsContentUtils::GetWebExposedOriginSerialization(principal, origin); | |||
| 2633 | observerService->NotifyObservers(static_cast<nsIDOMWindow*>(this), | |||
| 2634 | principal->IsSystemPrincipal() | |||
| 2635 | ? "chrome-document-global-created" | |||
| 2636 | : "content-document-global-created", | |||
| 2637 | origin.get()); | |||
| 2638 | } | |||
| 2639 | } | |||
| 2640 | ||||
| 2641 | void nsGlobalWindowOuter::ClearStatus() { SetStatusOuter(u""_ns); } | |||
| 2642 | ||||
| 2643 | void nsGlobalWindowOuter::SetDocShell(nsDocShell* aDocShell) { | |||
| 2644 | MOZ_ASSERT(aDocShell)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aDocShell)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aDocShell))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aDocShell", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2644); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aDocShell" ")" ); do { *((volatile int*)__null) = 2644; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2645 | ||||
| 2646 | if (aDocShell == mDocShell) { | |||
| 2647 | return; | |||
| 2648 | } | |||
| 2649 | ||||
| 2650 | mDocShell = aDocShell; | |||
| 2651 | mBrowsingContext = aDocShell->GetBrowsingContext(); | |||
| 2652 | ||||
| 2653 | RefPtr<BrowsingContext> parentContext = mBrowsingContext->GetParent(); | |||
| 2654 | ||||
| 2655 | MOZ_RELEASE_ASSERT(!parentContext ||do { static_assert( mozilla::detail::AssertionConditionType< decltype(!parentContext || GetBrowsingContextGroup() == parentContext ->Group())>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(!parentContext || GetBrowsingContextGroup () == parentContext->Group()))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("!parentContext || GetBrowsingContextGroup() == parentContext->Group()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2656); AnnotateMozCrashReason("MOZ_RELEASE_ASSERT" "(" "!parentContext || GetBrowsingContextGroup() == parentContext->Group()" ")"); do { *((volatile int*)__null) = 2656; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 2656 | GetBrowsingContextGroup() == parentContext->Group())do { static_assert( mozilla::detail::AssertionConditionType< decltype(!parentContext || GetBrowsingContextGroup() == parentContext ->Group())>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(!parentContext || GetBrowsingContextGroup () == parentContext->Group()))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("!parentContext || GetBrowsingContextGroup() == parentContext->Group()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2656); AnnotateMozCrashReason("MOZ_RELEASE_ASSERT" "(" "!parentContext || GetBrowsingContextGroup() == parentContext->Group()" ")"); do { *((volatile int*)__null) = 2656; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2657 | ||||
| 2658 | mTopLevelOuterContentWindow = mBrowsingContext->IsTopContent(); | |||
| 2659 | ||||
| 2660 | // Get our enclosing chrome shell and retrieve its global window impl, so | |||
| 2661 | // that we can do some forwarding to the chrome document. | |||
| 2662 | RefPtr<EventTarget> chromeEventHandler; | |||
| 2663 | mDocShell->GetChromeEventHandler(getter_AddRefs(chromeEventHandler)); | |||
| 2664 | mChromeEventHandler = chromeEventHandler; | |||
| 2665 | if (!mChromeEventHandler) { | |||
| 2666 | // We have no chrome event handler. If we have a parent, | |||
| 2667 | // get our chrome event handler from the parent. If | |||
| 2668 | // we don't have a parent, then we need to make a new | |||
| 2669 | // window root object that will function as a chrome event | |||
| 2670 | // handler and receive all events that occur anywhere inside | |||
| 2671 | // our window. | |||
| 2672 | nsCOMPtr<nsPIDOMWindowOuter> parentWindow = GetInProcessParent(); | |||
| 2673 | if (parentWindow.get() != this) { | |||
| 2674 | mChromeEventHandler = parentWindow->GetChromeEventHandler(); | |||
| 2675 | } else { | |||
| 2676 | mChromeEventHandler = NS_NewWindowRoot(this); | |||
| 2677 | mIsRootOuterWindow = true; | |||
| 2678 | } | |||
| 2679 | } | |||
| 2680 | ||||
| 2681 | SetIsBackgroundInternal(!mBrowsingContext->IsActive()); | |||
| 2682 | } | |||
| 2683 | ||||
| 2684 | void nsGlobalWindowOuter::DetachFromDocShell(bool aIsBeingDiscarded) { | |||
| 2685 | // DetachFromDocShell means the window is being torn down. Drop our | |||
| 2686 | // reference to the script context, allowing it to be deleted | |||
| 2687 | // later. Meanwhile, keep our weak reference to the script object | |||
| 2688 | // so that it can be retrieved later (until it is finalized by the JS GC). | |||
| 2689 | ||||
| 2690 | // Call FreeInnerObjects on all inner windows, not just the current | |||
| 2691 | // one, since some could be held by WindowStateHolder objects that | |||
| 2692 | // are GC-owned. | |||
| 2693 | RefPtr<nsGlobalWindowInner> inner; | |||
| 2694 | for (PRCList* node = PR_LIST_HEAD(this)(this)->next; node != this; | |||
| 2695 | node = PR_NEXT_LINK(inner)((inner)->next)) { | |||
| 2696 | // This cast is safe because `node != this`. Non-this nodes are inner | |||
| 2697 | // windows. | |||
| 2698 | inner = static_cast<nsGlobalWindowInner*>(node); | |||
| 2699 | MOZ_ASSERT(!inner->mOuterWindow || inner->mOuterWindow == this)do { static_assert( mozilla::detail::AssertionConditionType< decltype(!inner->mOuterWindow || inner->mOuterWindow == this)>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(!inner->mOuterWindow || inner->mOuterWindow == this))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("!inner->mOuterWindow || inner->mOuterWindow == this", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2699); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!inner->mOuterWindow || inner->mOuterWindow == this" ")"); do { *((volatile int*)__null) = 2699; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2700 | inner->FreeInnerObjects(); | |||
| 2701 | } | |||
| 2702 | ||||
| 2703 | // Don't report that we were detached to the nsWindowMemoryReporter, as it | |||
| 2704 | // only tracks inner windows. | |||
| 2705 | ||||
| 2706 | NotifyWindowIDDestroyed("outer-window-destroyed"); | |||
| 2707 | ||||
| 2708 | nsGlobalWindowInner* currentInner = GetCurrentInnerWindowInternal(this); | |||
| 2709 | ||||
| 2710 | if (currentInner) { | |||
| 2711 | NS_ASSERTION(mDoc, "Must have doc!")do { if (!(mDoc)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Must have doc!" , "mDoc", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2711); MOZ_PretendNoReturn(); } } while (0); | |||
| 2712 | ||||
| 2713 | // Remember the document's principal and URI. | |||
| 2714 | mDocumentPrincipal = mDoc->NodePrincipal(); | |||
| 2715 | mDocumentCookiePrincipal = mDoc->EffectiveCookiePrincipal(); | |||
| 2716 | mDocumentStoragePrincipal = mDoc->EffectiveStoragePrincipal(); | |||
| 2717 | mDocumentPartitionedPrincipal = mDoc->PartitionedPrincipal(); | |||
| 2718 | mDocumentURI = mDoc->GetDocumentURI(); | |||
| 2719 | ||||
| 2720 | // Release our document reference | |||
| 2721 | DropOuterWindowDocs(); | |||
| 2722 | } | |||
| 2723 | ||||
| 2724 | ClearControllers(); | |||
| 2725 | ||||
| 2726 | mChromeEventHandler = nullptr; // force release now | |||
| 2727 | ||||
| 2728 | if (mContext) { | |||
| 2729 | // When we're about to destroy a top level content window | |||
| 2730 | // (for example a tab), we trigger a full GC by passing null as the last | |||
| 2731 | // param. We also trigger a full GC for chrome windows. | |||
| 2732 | nsJSContext::PokeGC(JS::GCReason::SET_DOC_SHELL, | |||
| 2733 | (mTopLevelOuterContentWindow || mIsChrome) | |||
| 2734 | ? nullptr | |||
| 2735 | : GetWrapperPreserveColor()); | |||
| 2736 | mContext = nullptr; | |||
| 2737 | } | |||
| 2738 | ||||
| 2739 | if (aIsBeingDiscarded) { | |||
| 2740 | // If our BrowsingContext is being discarded, make a note that our current | |||
| 2741 | // inner window was active at the time it went away. | |||
| 2742 | if (nsGlobalWindowInner* currentInner = | |||
| 2743 | GetCurrentInnerWindowInternal(this)) { | |||
| 2744 | currentInner->SetWasCurrentInnerWindow(); | |||
| 2745 | } | |||
| 2746 | } | |||
| 2747 | ||||
| 2748 | mDocShell = nullptr; | |||
| 2749 | mBrowsingContext->ClearDocShell(); | |||
| 2750 | ||||
| 2751 | CleanUp(); | |||
| 2752 | } | |||
| 2753 | ||||
| 2754 | void nsGlobalWindowOuter::UpdateParentTarget() { | |||
| 2755 | // NOTE: This method is nearly identical to | |||
| 2756 | // nsGlobalWindowInner::UpdateParentTarget(). IF YOU UPDATE THIS METHOD, | |||
| 2757 | // UPDATE THE OTHER ONE TOO! The one difference is that this method updates | |||
| 2758 | // mMessageManager as well, which inner windows don't have. | |||
| 2759 | ||||
| 2760 | // Try to get our frame element's tab child global (its in-process message | |||
| 2761 | // manager). If that fails, fall back to the chrome event handler's tab | |||
| 2762 | // child global, and if it doesn't have one, just use the chrome event | |||
| 2763 | // handler itself. | |||
| 2764 | ||||
| 2765 | nsCOMPtr<Element> frameElement = GetFrameElementInternal(); | |||
| 2766 | mMessageManager = nsContentUtils::TryGetBrowserChildGlobal(frameElement); | |||
| 2767 | ||||
| 2768 | if (!mMessageManager) { | |||
| 2769 | nsGlobalWindowOuter* topWin = GetInProcessScriptableTopInternal(); | |||
| 2770 | if (topWin) { | |||
| 2771 | frameElement = topWin->GetFrameElementInternal(); | |||
| 2772 | mMessageManager = nsContentUtils::TryGetBrowserChildGlobal(frameElement); | |||
| 2773 | } | |||
| 2774 | } | |||
| 2775 | ||||
| 2776 | if (!mMessageManager) { | |||
| 2777 | mMessageManager = | |||
| 2778 | nsContentUtils::TryGetBrowserChildGlobal(mChromeEventHandler); | |||
| 2779 | } | |||
| 2780 | ||||
| 2781 | if (mMessageManager) { | |||
| 2782 | mParentTarget = mMessageManager; | |||
| 2783 | } else { | |||
| 2784 | mParentTarget = mChromeEventHandler; | |||
| 2785 | } | |||
| 2786 | } | |||
| 2787 | ||||
| 2788 | EventTarget* nsGlobalWindowOuter::GetTargetForEventTargetChain() { | |||
| 2789 | return GetCurrentInnerWindowInternal(this); | |||
| 2790 | } | |||
| 2791 | ||||
| 2792 | void nsGlobalWindowOuter::GetEventTargetParent(EventChainPreVisitor& aVisitor) { | |||
| 2793 | MOZ_CRASH("The outer window should not be part of an event path")do { do { } while (false); MOZ_ReportCrash("" "The outer window should not be part of an event path" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2793); AnnotateMozCrashReason("MOZ_CRASH(" "The outer window should not be part of an event path" ")"); do { *((volatile int*)__null) = 2793; __attribute__((nomerge )) ::abort(); } while (false); } while (false); | |||
| 2794 | } | |||
| 2795 | ||||
| 2796 | bool nsGlobalWindowOuter::ShouldPromptToBlockDialogs() { | |||
| 2797 | if (!nsContentUtils::GetCurrentJSContext()) { | |||
| 2798 | return false; // non-scripted caller. | |||
| 2799 | } | |||
| 2800 | ||||
| 2801 | BrowsingContextGroup* group = GetBrowsingContextGroup(); | |||
| 2802 | if (!group) { | |||
| 2803 | return true; | |||
| 2804 | } | |||
| 2805 | ||||
| 2806 | return group->DialogsAreBeingAbused(); | |||
| 2807 | } | |||
| 2808 | ||||
| 2809 | bool nsGlobalWindowOuter::AreDialogsEnabled() { | |||
| 2810 | BrowsingContextGroup* group = mBrowsingContext->Group(); | |||
| 2811 | if (!group) { | |||
| 2812 | NS_ERROR("AreDialogsEnabled() called without a browsing context group?")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "AreDialogsEnabled() called without a browsing context group?" , "Error", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2812); MOZ_PretendNoReturn(); } while (0); | |||
| 2813 | return false; | |||
| 2814 | } | |||
| 2815 | ||||
| 2816 | // Dialogs are blocked if the content viewer is hidden | |||
| 2817 | if (mDocShell) { | |||
| 2818 | nsCOMPtr<nsIDocumentViewer> viewer; | |||
| 2819 | mDocShell->GetDocViewer(getter_AddRefs(viewer)); | |||
| 2820 | ||||
| 2821 | bool isHidden; | |||
| 2822 | viewer->GetIsHidden(&isHidden); | |||
| 2823 | if (isHidden) { | |||
| 2824 | return false; | |||
| 2825 | } | |||
| 2826 | } | |||
| 2827 | ||||
| 2828 | // Dialogs are also blocked if the document is sandboxed with SANDBOXED_MODALS | |||
| 2829 | // (or if we have no document, of course). Which document? Who knows; the | |||
| 2830 | // spec is daft. See <https://github.com/whatwg/html/issues/1206>. For now | |||
| 2831 | // just go ahead and check mDoc, since in everything except edge cases in | |||
| 2832 | // which a frame is allow-same-origin but not allow-scripts and is being poked | |||
| 2833 | // at by some other window this should be the right thing anyway. | |||
| 2834 | if (!mDoc || (mDoc->GetSandboxFlags() & SANDBOXED_MODALS)) { | |||
| 2835 | return false; | |||
| 2836 | } | |||
| 2837 | ||||
| 2838 | return group->GetAreDialogsEnabled(); | |||
| 2839 | } | |||
| 2840 | ||||
| 2841 | bool nsGlobalWindowOuter::ConfirmDialogIfNeeded() { | |||
| 2842 | NS_ENSURE_TRUE(mDocShell, false)do { if ((__builtin_expect(!!(!(mDocShell)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mDocShell" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2842); return false; } } while (false); | |||
| 2843 | nsCOMPtr<nsIPromptService> promptSvc = | |||
| 2844 | do_GetService("@mozilla.org/prompter;1"); | |||
| 2845 | ||||
| 2846 | if (!promptSvc) { | |||
| 2847 | return true; | |||
| 2848 | } | |||
| 2849 | ||||
| 2850 | // Reset popup state while opening a modal dialog, and firing events | |||
| 2851 | // about the dialog, to prevent the current state from being active | |||
| 2852 | // the whole time a modal dialog is open. | |||
| 2853 | AutoPopupStatePusherAutoPopupStatePusherInternal popupStatePusher(PopupBlocker::openAbused, true); | |||
| 2854 | ||||
| 2855 | bool disableDialog = false; | |||
| 2856 | nsAutoString label, title; | |||
| 2857 | nsContentUtils::GetLocalizedString(nsContentUtils::eCOMMON_DIALOG_PROPERTIES, | |||
| 2858 | "ScriptDialogLabel", label); | |||
| 2859 | nsContentUtils::GetLocalizedString(nsContentUtils::eCOMMON_DIALOG_PROPERTIES, | |||
| 2860 | "ScriptDialogPreventTitle", title); | |||
| 2861 | promptSvc->Confirm(this, title.get(), label.get(), &disableDialog); | |||
| 2862 | if (disableDialog) { | |||
| 2863 | DisableDialogs(); | |||
| 2864 | return false; | |||
| 2865 | } | |||
| 2866 | ||||
| 2867 | return true; | |||
| 2868 | } | |||
| 2869 | ||||
| 2870 | void nsGlobalWindowOuter::DisableDialogs() { | |||
| 2871 | BrowsingContextGroup* group = mBrowsingContext->Group(); | |||
| 2872 | if (!group) { | |||
| 2873 | NS_ERROR("DisableDialogs() called without a browsing context group?")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "DisableDialogs() called without a browsing context group?" , "Error", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2873); MOZ_PretendNoReturn(); } while (0); | |||
| 2874 | return; | |||
| 2875 | } | |||
| 2876 | ||||
| 2877 | if (group) { | |||
| 2878 | group->SetAreDialogsEnabled(false); | |||
| 2879 | } | |||
| 2880 | } | |||
| 2881 | ||||
| 2882 | void nsGlobalWindowOuter::EnableDialogs() { | |||
| 2883 | BrowsingContextGroup* group = mBrowsingContext->Group(); | |||
| 2884 | if (!group) { | |||
| 2885 | NS_ERROR("EnableDialogs() called without a browsing context group?")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "EnableDialogs() called without a browsing context group?" , "Error", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2885); MOZ_PretendNoReturn(); } while (0); | |||
| 2886 | return; | |||
| 2887 | } | |||
| 2888 | ||||
| 2889 | if (group) { | |||
| 2890 | group->SetAreDialogsEnabled(true); | |||
| 2891 | } | |||
| 2892 | } | |||
| 2893 | ||||
| 2894 | nsresult nsGlobalWindowOuter::PostHandleEvent(EventChainPostVisitor& aVisitor) { | |||
| 2895 | MOZ_CRASH("The outer window should not be part of an event path")do { do { } while (false); MOZ_ReportCrash("" "The outer window should not be part of an event path" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2895); AnnotateMozCrashReason("MOZ_CRASH(" "The outer window should not be part of an event path" ")"); do { *((volatile int*)__null) = 2895; __attribute__((nomerge )) ::abort(); } while (false); } while (false); | |||
| 2896 | } | |||
| 2897 | ||||
| 2898 | void nsGlobalWindowOuter::PoisonOuterWindowProxy(JSObject* aObject) { | |||
| 2899 | if (aObject == GetWrapperMaybeDead()) { | |||
| 2900 | PoisonWrapper(); | |||
| 2901 | } | |||
| 2902 | } | |||
| 2903 | ||||
| 2904 | nsresult nsGlobalWindowOuter::SetArguments(nsIArray* aArguments) { | |||
| 2905 | nsresult rv; | |||
| 2906 | ||||
| 2907 | // We've now mostly separated them, but the difference is still opaque to | |||
| 2908 | // nsWindowWatcher (the caller of SetArguments in this little back-and-forth | |||
| 2909 | // embedding waltz we do here). | |||
| 2910 | // | |||
| 2911 | // So we need to demultiplex the two cases here. | |||
| 2912 | nsGlobalWindowInner* currentInner = GetCurrentInnerWindowInternal(this); | |||
| 2913 | ||||
| 2914 | mArguments = aArguments; | |||
| 2915 | rv = currentInner->DefineArgumentsProperty(aArguments); | |||
| 2916 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 2916); return rv; } } while (false); | |||
| 2917 | ||||
| 2918 | return NS_OK; | |||
| 2919 | } | |||
| 2920 | ||||
| 2921 | //***************************************************************************** | |||
| 2922 | // nsGlobalWindowOuter::nsIScriptObjectPrincipal | |||
| 2923 | //***************************************************************************** | |||
| 2924 | ||||
| 2925 | nsIPrincipal* nsGlobalWindowOuter::GetPrincipal() { | |||
| 2926 | if (mDoc) { | |||
| 2927 | // If we have a document, get the principal from the document | |||
| 2928 | return mDoc->NodePrincipal(); | |||
| 2929 | } | |||
| 2930 | ||||
| 2931 | if (mDocumentPrincipal) { | |||
| 2932 | return mDocumentPrincipal; | |||
| 2933 | } | |||
| 2934 | ||||
| 2935 | // If we don't have a principal and we don't have a document we | |||
| 2936 | // ask the parent window for the principal. This can happen when | |||
| 2937 | // loading a frameset that has a <frame src="javascript:xxx">, in | |||
| 2938 | // that case the global window is used in JS before we've loaded | |||
| 2939 | // a document into the window. | |||
| 2940 | ||||
| 2941 | nsCOMPtr<nsIScriptObjectPrincipal> objPrincipal = | |||
| 2942 | do_QueryInterface(GetInProcessParentInternal()); | |||
| 2943 | ||||
| 2944 | if (objPrincipal) { | |||
| 2945 | return objPrincipal->GetPrincipal(); | |||
| 2946 | } | |||
| 2947 | ||||
| 2948 | return nullptr; | |||
| 2949 | } | |||
| 2950 | ||||
| 2951 | nsIPrincipal* nsGlobalWindowOuter::GetEffectiveCookiePrincipal() { | |||
| 2952 | if (mDoc) { | |||
| 2953 | // If we have a document, get the principal from the document | |||
| 2954 | return mDoc->EffectiveCookiePrincipal(); | |||
| 2955 | } | |||
| 2956 | ||||
| 2957 | if (mDocumentCookiePrincipal) { | |||
| 2958 | return mDocumentCookiePrincipal; | |||
| 2959 | } | |||
| 2960 | ||||
| 2961 | // If we don't have a cookie principal and we don't have a document we ask | |||
| 2962 | // the parent window for the cookie principal. | |||
| 2963 | ||||
| 2964 | nsCOMPtr<nsIScriptObjectPrincipal> objPrincipal = | |||
| 2965 | do_QueryInterface(GetInProcessParentInternal()); | |||
| 2966 | ||||
| 2967 | if (objPrincipal) { | |||
| 2968 | return objPrincipal->GetEffectiveCookiePrincipal(); | |||
| 2969 | } | |||
| 2970 | ||||
| 2971 | return nullptr; | |||
| 2972 | } | |||
| 2973 | ||||
| 2974 | nsIPrincipal* nsGlobalWindowOuter::GetEffectiveStoragePrincipal() { | |||
| 2975 | if (mDoc) { | |||
| 2976 | // If we have a document, get the principal from the document | |||
| 2977 | return mDoc->EffectiveStoragePrincipal(); | |||
| 2978 | } | |||
| 2979 | ||||
| 2980 | if (mDocumentStoragePrincipal) { | |||
| 2981 | return mDocumentStoragePrincipal; | |||
| 2982 | } | |||
| 2983 | ||||
| 2984 | // If we don't have a storage principal and we don't have a document we ask | |||
| 2985 | // the parent window for the storage principal. | |||
| 2986 | ||||
| 2987 | nsCOMPtr<nsIScriptObjectPrincipal> objPrincipal = | |||
| 2988 | do_QueryInterface(GetInProcessParentInternal()); | |||
| 2989 | ||||
| 2990 | if (objPrincipal) { | |||
| 2991 | return objPrincipal->GetEffectiveStoragePrincipal(); | |||
| 2992 | } | |||
| 2993 | ||||
| 2994 | return nullptr; | |||
| 2995 | } | |||
| 2996 | ||||
| 2997 | nsIPrincipal* nsGlobalWindowOuter::PartitionedPrincipal() { | |||
| 2998 | if (mDoc) { | |||
| 2999 | // If we have a document, get the principal from the document | |||
| 3000 | return mDoc->PartitionedPrincipal(); | |||
| 3001 | } | |||
| 3002 | ||||
| 3003 | if (mDocumentPartitionedPrincipal) { | |||
| 3004 | return mDocumentPartitionedPrincipal; | |||
| 3005 | } | |||
| 3006 | ||||
| 3007 | // If we don't have a partitioned principal and we don't have a document we | |||
| 3008 | // ask the parent window for the partitioned principal. | |||
| 3009 | ||||
| 3010 | nsCOMPtr<nsIScriptObjectPrincipal> objPrincipal = | |||
| 3011 | do_QueryInterface(GetInProcessParentInternal()); | |||
| 3012 | ||||
| 3013 | if (objPrincipal) { | |||
| 3014 | return objPrincipal->PartitionedPrincipal(); | |||
| 3015 | } | |||
| 3016 | ||||
| 3017 | return nullptr; | |||
| 3018 | } | |||
| 3019 | ||||
| 3020 | //***************************************************************************** | |||
| 3021 | // nsGlobalWindowOuter::nsIDOMWindow | |||
| 3022 | //***************************************************************************** | |||
| 3023 | ||||
| 3024 | Element* nsPIDOMWindowOuter::GetFrameElementInternal() const { | |||
| 3025 | return mFrameElement; | |||
| 3026 | } | |||
| 3027 | ||||
| 3028 | void nsPIDOMWindowOuter::SetFrameElementInternal(Element* aFrameElement) { | |||
| 3029 | mFrameElement = aFrameElement; | |||
| 3030 | } | |||
| 3031 | ||||
| 3032 | Navigator* nsGlobalWindowOuter::GetNavigator() { | |||
| 3033 | FORWARD_TO_INNER(Navigator, (), nullptr)do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3033); return nullptr; } return GetCurrentInnerWindowInternal (this)->Navigator (); } while (0); | |||
| 3034 | } | |||
| 3035 | ||||
| 3036 | nsScreen* nsGlobalWindowOuter::GetScreen() { | |||
| 3037 | FORWARD_TO_INNER(Screen, (), nullptr)do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3037); return nullptr; } return GetCurrentInnerWindowInternal (this)->Screen (); } while (0); | |||
| 3038 | } | |||
| 3039 | ||||
| 3040 | void nsPIDOMWindowOuter::ActivateMediaComponents() { | |||
| 3041 | if (!ShouldDelayMediaFromStart()) { | |||
| 3042 | return; | |||
| 3043 | } | |||
| 3044 | MOZ_LOG(AudioChannelService::GetAudioChannelLog(), LogLevel::Debug,do { const ::mozilla::LogModule* moz_real_module = AudioChannelService ::GetAudioChannelLog(); if ((__builtin_expect(!!(mozilla::detail ::log_test(moz_real_module, LogLevel::Debug)), 0))) { mozilla ::detail::log_print(moz_real_module, LogLevel::Debug, "nsPIDOMWindowOuter, ActiveMediaComponents, " "no longer to delay media from start, this = %p\n", this); } } while (0) | |||
| 3045 | ("nsPIDOMWindowOuter, ActiveMediaComponents, "do { const ::mozilla::LogModule* moz_real_module = AudioChannelService ::GetAudioChannelLog(); if ((__builtin_expect(!!(mozilla::detail ::log_test(moz_real_module, LogLevel::Debug)), 0))) { mozilla ::detail::log_print(moz_real_module, LogLevel::Debug, "nsPIDOMWindowOuter, ActiveMediaComponents, " "no longer to delay media from start, this = %p\n", this); } } while (0) | |||
| 3046 | "no longer to delay media from start, this = %p\n",do { const ::mozilla::LogModule* moz_real_module = AudioChannelService ::GetAudioChannelLog(); if ((__builtin_expect(!!(mozilla::detail ::log_test(moz_real_module, LogLevel::Debug)), 0))) { mozilla ::detail::log_print(moz_real_module, LogLevel::Debug, "nsPIDOMWindowOuter, ActiveMediaComponents, " "no longer to delay media from start, this = %p\n", this); } } while (0) | |||
| 3047 | this))do { const ::mozilla::LogModule* moz_real_module = AudioChannelService ::GetAudioChannelLog(); if ((__builtin_expect(!!(mozilla::detail ::log_test(moz_real_module, LogLevel::Debug)), 0))) { mozilla ::detail::log_print(moz_real_module, LogLevel::Debug, "nsPIDOMWindowOuter, ActiveMediaComponents, " "no longer to delay media from start, this = %p\n", this); } } while (0); | |||
| 3048 | if (BrowsingContext* bc = GetBrowsingContext()) { | |||
| 3049 | Unused << bc->Top()->SetShouldDelayMediaFromStart(false); | |||
| 3050 | } | |||
| 3051 | NotifyResumingDelayedMedia(); | |||
| 3052 | } | |||
| 3053 | ||||
| 3054 | bool nsPIDOMWindowOuter::ShouldDelayMediaFromStart() const { | |||
| 3055 | BrowsingContext* bc = GetBrowsingContext(); | |||
| 3056 | return bc && bc->Top()->GetShouldDelayMediaFromStart(); | |||
| 3057 | } | |||
| 3058 | ||||
| 3059 | void nsPIDOMWindowOuter::NotifyResumingDelayedMedia() { | |||
| 3060 | RefPtr<AudioChannelService> service = AudioChannelService::GetOrCreate(); | |||
| 3061 | if (service) { | |||
| 3062 | service->NotifyResumingDelayedMedia(this); | |||
| 3063 | } | |||
| 3064 | } | |||
| 3065 | ||||
| 3066 | bool nsPIDOMWindowOuter::GetAudioMuted() const { | |||
| 3067 | BrowsingContext* bc = GetBrowsingContext(); | |||
| 3068 | return bc && bc->Top()->GetMuted(); | |||
| 3069 | } | |||
| 3070 | ||||
| 3071 | void nsPIDOMWindowOuter::RefreshMediaElementsVolume() { | |||
| 3072 | RefPtr<AudioChannelService> service = AudioChannelService::GetOrCreate(); | |||
| 3073 | if (service) { | |||
| 3074 | // TODO: RefreshAgentsVolume can probably be simplified further. | |||
| 3075 | service->RefreshAgentsVolume(this, 1.0f, GetAudioMuted()); | |||
| 3076 | } | |||
| 3077 | } | |||
| 3078 | ||||
| 3079 | mozilla::dom::BrowsingContextGroup* | |||
| 3080 | nsPIDOMWindowOuter::GetBrowsingContextGroup() const { | |||
| 3081 | return mBrowsingContext ? mBrowsingContext->Group() : nullptr; | |||
| 3082 | } | |||
| 3083 | ||||
| 3084 | Nullable<WindowProxyHolder> nsGlobalWindowOuter::GetParentOuter() { | |||
| 3085 | BrowsingContext* bc = GetBrowsingContext(); | |||
| 3086 | return bc ? bc->GetParent(IgnoreErrors()) : nullptr; | |||
| 3087 | } | |||
| 3088 | ||||
| 3089 | /** | |||
| 3090 | * GetInProcessScriptableParent used to be called when a script read | |||
| 3091 | * window.parent. Under Fission, that is now handled by | |||
| 3092 | * BrowsingContext::GetParent, and the result is a WindowProxyHolder rather than | |||
| 3093 | * an actual global window. This method still exists for legacy callers which | |||
| 3094 | * relied on the old logic, and require in-process windows. However, it only | |||
| 3095 | * works correctly when no out-of-process frames exist between this window and | |||
| 3096 | * the top-level window, so it should not be used in new code. | |||
| 3097 | * | |||
| 3098 | * In contrast to GetRealParent, GetInProcessScriptableParent respects <iframe | |||
| 3099 | * mozbrowser> boundaries, so if |this| is contained by an <iframe | |||
| 3100 | * mozbrowser>, we will return |this| as its own parent. | |||
| 3101 | */ | |||
| 3102 | nsPIDOMWindowOuter* nsGlobalWindowOuter::GetInProcessScriptableParent() { | |||
| 3103 | if (!mDocShell) { | |||
| 3104 | return nullptr; | |||
| 3105 | } | |||
| 3106 | ||||
| 3107 | if (BrowsingContext* parentBC = GetBrowsingContext()->GetParent()) { | |||
| 3108 | if (nsCOMPtr<nsPIDOMWindowOuter> parent = parentBC->GetDOMWindow()) { | |||
| 3109 | return parent; | |||
| 3110 | } | |||
| 3111 | } | |||
| 3112 | return this; | |||
| 3113 | } | |||
| 3114 | ||||
| 3115 | /** | |||
| 3116 | * Behavies identically to GetInProcessScriptableParent extept that it returns | |||
| 3117 | * null if GetInProcessScriptableParent would return this window. | |||
| 3118 | */ | |||
| 3119 | nsPIDOMWindowOuter* nsGlobalWindowOuter::GetInProcessScriptableParentOrNull() { | |||
| 3120 | nsPIDOMWindowOuter* parent = GetInProcessScriptableParent(); | |||
| 3121 | return (nsGlobalWindowOuter::Cast(parent) == this) ? nullptr : parent; | |||
| 3122 | } | |||
| 3123 | ||||
| 3124 | already_AddRefed<nsPIDOMWindowOuter> nsGlobalWindowOuter::GetInProcessParent() { | |||
| 3125 | if (!mDocShell) { | |||
| 3126 | return nullptr; | |||
| 3127 | } | |||
| 3128 | ||||
| 3129 | if (auto* parentBC = GetBrowsingContext()->GetParent()) { | |||
| 3130 | if (auto* parent = parentBC->GetDOMWindow()) { | |||
| 3131 | return do_AddRef(parent); | |||
| 3132 | } | |||
| 3133 | } | |||
| 3134 | return do_AddRef(this); | |||
| 3135 | } | |||
| 3136 | ||||
| 3137 | static nsresult GetTopImpl(nsGlobalWindowOuter* aWin, nsIURI* aURIBeingLoaded, | |||
| 3138 | nsPIDOMWindowOuter** aTop, bool aScriptable, | |||
| 3139 | bool aExcludingExtensionAccessibleContentFrames) { | |||
| 3140 | *aTop = nullptr; | |||
| 3141 | ||||
| 3142 | MOZ_ASSERT_IF(aExcludingExtensionAccessibleContentFrames, !aScriptable)do { if (aExcludingExtensionAccessibleContentFrames) { do { static_assert ( mozilla::detail::AssertionConditionType<decltype(!aScriptable )>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(!aScriptable))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("!aScriptable", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3142); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!aScriptable" ")"); do { *((volatile int*)__null) = 3142; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); } } while ( false); | |||
| 3143 | ||||
| 3144 | // Walk up the parent chain. | |||
| 3145 | ||||
| 3146 | nsCOMPtr<nsPIDOMWindowOuter> prevParent = aWin; | |||
| 3147 | nsCOMPtr<nsPIDOMWindowOuter> parent = aWin; | |||
| 3148 | do { | |||
| 3149 | if (!parent) { | |||
| 3150 | break; | |||
| 3151 | } | |||
| 3152 | ||||
| 3153 | prevParent = parent; | |||
| 3154 | ||||
| 3155 | if (aScriptable) { | |||
| 3156 | parent = parent->GetInProcessScriptableParent(); | |||
| 3157 | } else { | |||
| 3158 | parent = parent->GetInProcessParent(); | |||
| 3159 | } | |||
| 3160 | ||||
| 3161 | if (aExcludingExtensionAccessibleContentFrames) { | |||
| 3162 | if (auto* p = nsGlobalWindowOuter::Cast(parent)) { | |||
| 3163 | nsGlobalWindowInner* currentInner = GetCurrentInnerWindowInternal(p); | |||
| 3164 | nsIURI* uri = prevParent->GetDocumentURI(); | |||
| 3165 | if (!uri) { | |||
| 3166 | // If our parent doesn't have a URI yet, we have a document that is in | |||
| 3167 | // the process of being loaded. In that case, our caller is | |||
| 3168 | // responsible for passing in the URI for the document that is being | |||
| 3169 | // loaded, so we fall back to using that URI here. | |||
| 3170 | uri = aURIBeingLoaded; | |||
| 3171 | } | |||
| 3172 | ||||
| 3173 | if (currentInner && uri) { | |||
| 3174 | // If we find an inner window, we better find the uri for the current | |||
| 3175 | // window we're looking at. If we can't find it directly, it is the | |||
| 3176 | // responsibility of our caller to provide it to us. | |||
| 3177 | MOZ_DIAGNOSTIC_ASSERT(uri)do { static_assert( mozilla::detail::AssertionConditionType< decltype(uri)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(uri))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("uri", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3177); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "uri" ")"); do { *((volatile int*)__null) = 3177; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 3178 | ||||
| 3179 | // If the new parent has permission to load the current page, we're | |||
| 3180 | // at a moz-extension:// frame which has a host permission that allows | |||
| 3181 | // it to load the document that we've loaded. In that case, stop at | |||
| 3182 | // this frame and consider it the top-level frame. | |||
| 3183 | // | |||
| 3184 | // Note that it's possible for the set of URIs accepted by | |||
| 3185 | // AddonAllowsLoad() to change at runtime, but we don't need to cache | |||
| 3186 | // the result of this check, since the important consumer of this code | |||
| 3187 | // (which is nsIHttpChannelInternal.topWindowURI) already caches the | |||
| 3188 | // result after computing it the first time. | |||
| 3189 | if (BasePrincipal::Cast(p->GetPrincipal()) | |||
| 3190 | ->AddonAllowsLoad(uri, true)) { | |||
| 3191 | parent = prevParent; | |||
| 3192 | break; | |||
| 3193 | } | |||
| 3194 | } | |||
| 3195 | } | |||
| 3196 | } | |||
| 3197 | ||||
| 3198 | } while (parent != prevParent); | |||
| 3199 | ||||
| 3200 | if (parent) { | |||
| 3201 | parent.swap(*aTop); | |||
| 3202 | } | |||
| 3203 | ||||
| 3204 | return NS_OK; | |||
| 3205 | } | |||
| 3206 | ||||
| 3207 | /** | |||
| 3208 | * GetInProcessScriptableTop used to be called when a script read window.top. | |||
| 3209 | * Under Fission, that is now handled by BrowsingContext::Top, and the result is | |||
| 3210 | * a WindowProxyHolder rather than an actual global window. This method still | |||
| 3211 | * exists for legacy callers which relied on the old logic, and require | |||
| 3212 | * in-process windows. However, it only works correctly when no out-of-process | |||
| 3213 | * frames exist between this window and the top-level window, so it should not | |||
| 3214 | * be used in new code. | |||
| 3215 | * | |||
| 3216 | * In contrast to GetRealTop, GetInProcessScriptableTop respects <iframe | |||
| 3217 | * mozbrowser> boundaries. If we encounter a window owned by an <iframe | |||
| 3218 | * mozbrowser> while walking up the window hierarchy, we'll stop and return that | |||
| 3219 | * window. | |||
| 3220 | */ | |||
| 3221 | nsPIDOMWindowOuter* nsGlobalWindowOuter::GetInProcessScriptableTop() { | |||
| 3222 | nsCOMPtr<nsPIDOMWindowOuter> window; | |||
| 3223 | GetTopImpl(this, /* aURIBeingLoaded = */ nullptr, getter_AddRefs(window), | |||
| 3224 | /* aScriptable = */ true, | |||
| 3225 | /* aExcludingExtensionAccessibleContentFrames = */ false); | |||
| 3226 | return window.get(); | |||
| 3227 | } | |||
| 3228 | ||||
| 3229 | already_AddRefed<nsPIDOMWindowOuter> nsGlobalWindowOuter::GetInProcessTop() { | |||
| 3230 | nsCOMPtr<nsPIDOMWindowOuter> window; | |||
| 3231 | GetTopImpl(this, /* aURIBeingLoaded = */ nullptr, getter_AddRefs(window), | |||
| 3232 | /* aScriptable = */ false, | |||
| 3233 | /* aExcludingExtensionAccessibleContentFrames = */ false); | |||
| 3234 | return window.forget(); | |||
| 3235 | } | |||
| 3236 | ||||
| 3237 | already_AddRefed<nsPIDOMWindowOuter> | |||
| 3238 | nsGlobalWindowOuter::GetTopExcludingExtensionAccessibleContentFrames( | |||
| 3239 | nsIURI* aURIBeingLoaded) { | |||
| 3240 | // There is a parent-process equivalent of this in DocumentLoadListener.cpp | |||
| 3241 | // GetTopWindowExcludingExtensionAccessibleContentFrames | |||
| 3242 | nsCOMPtr<nsPIDOMWindowOuter> window; | |||
| 3243 | GetTopImpl(this, aURIBeingLoaded, getter_AddRefs(window), | |||
| 3244 | /* aScriptable = */ false, | |||
| 3245 | /* aExcludingExtensionAccessibleContentFrames = */ true); | |||
| 3246 | return window.forget(); | |||
| 3247 | } | |||
| 3248 | ||||
| 3249 | void nsGlobalWindowOuter::GetContentOuter(JSContext* aCx, | |||
| 3250 | JS::MutableHandle<JSObject*> aRetval, | |||
| 3251 | CallerType aCallerType, | |||
| 3252 | ErrorResult& aError) { | |||
| 3253 | RefPtr<BrowsingContext> content = GetContentInternal(aCallerType, aError); | |||
| 3254 | if (aError.Failed()) { | |||
| 3255 | return; | |||
| 3256 | } | |||
| 3257 | ||||
| 3258 | if (!content) { | |||
| 3259 | aRetval.set(nullptr); | |||
| 3260 | return; | |||
| 3261 | } | |||
| 3262 | ||||
| 3263 | JS::Rooted<JS::Value> val(aCx); | |||
| 3264 | if (!ToJSValue(aCx, WindowProxyHolder{content}, &val)) { | |||
| 3265 | aError.Throw(NS_ERROR_UNEXPECTED); | |||
| 3266 | return; | |||
| 3267 | } | |||
| 3268 | ||||
| 3269 | MOZ_ASSERT(val.isObjectOrNull())do { static_assert( mozilla::detail::AssertionConditionType< decltype(val.isObjectOrNull())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(val.isObjectOrNull()))), 0)) ) { do { } while (false); MOZ_ReportAssertionFailure("val.isObjectOrNull()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3269); AnnotateMozCrashReason("MOZ_ASSERT" "(" "val.isObjectOrNull()" ")"); do { *((volatile int*)__null) = 3269; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 3270 | aRetval.set(val.toObjectOrNull()); | |||
| 3271 | } | |||
| 3272 | ||||
| 3273 | already_AddRefed<BrowsingContext> nsGlobalWindowOuter::GetContentInternal( | |||
| 3274 | CallerType aCallerType, ErrorResult& aError) { | |||
| 3275 | // First check for a named frame named "content" | |||
| 3276 | if (RefPtr<BrowsingContext> named = GetChildWindow(u"content"_ns)) { | |||
| 3277 | return named.forget(); | |||
| 3278 | } | |||
| 3279 | ||||
| 3280 | // If we're in the parent process, and being called by system code, `content` | |||
| 3281 | // should return the current primary content frame (if it's in-process). | |||
| 3282 | // | |||
| 3283 | // We return `nullptr` if the current primary content frame is out-of-process, | |||
| 3284 | // rather than a remote window proxy, as that is the existing behaviour as of | |||
| 3285 | // bug 1597437. | |||
| 3286 | if (XRE_IsParentProcess() && aCallerType == CallerType::System) { | |||
| 3287 | nsCOMPtr<nsIDocShellTreeOwner> treeOwner = GetTreeOwner(); | |||
| 3288 | if (!treeOwner) { | |||
| 3289 | aError.Throw(NS_ERROR_FAILURE); | |||
| 3290 | return nullptr; | |||
| 3291 | } | |||
| 3292 | ||||
| 3293 | nsCOMPtr<nsIDocShellTreeItem> primaryContent; | |||
| 3294 | treeOwner->GetPrimaryContentShell(getter_AddRefs(primaryContent)); | |||
| 3295 | if (!primaryContent) { | |||
| 3296 | return nullptr; | |||
| 3297 | } | |||
| 3298 | ||||
| 3299 | return do_AddRef(primaryContent->GetBrowsingContext()); | |||
| 3300 | } | |||
| 3301 | ||||
| 3302 | // For legacy untrusted callers we always return the same value as | |||
| 3303 | // `window.top` | |||
| 3304 | if (mDoc && aCallerType != CallerType::System) { | |||
| 3305 | mDoc->WarnOnceAbout(DeprecatedOperations::eWindowContentUntrusted); | |||
| 3306 | } | |||
| 3307 | ||||
| 3308 | MOZ_ASSERT(mBrowsingContext->IsContent())do { static_assert( mozilla::detail::AssertionConditionType< decltype(mBrowsingContext->IsContent())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mBrowsingContext->IsContent ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("mBrowsingContext->IsContent()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3308); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mBrowsingContext->IsContent()" ")"); do { *((volatile int*)__null) = 3308; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 3309 | return do_AddRef(mBrowsingContext->Top()); | |||
| 3310 | } | |||
| 3311 | ||||
| 3312 | nsresult nsGlobalWindowOuter::GetPrompter(nsIPrompt** aPrompt) { | |||
| 3313 | if (!mDocShell) return NS_ERROR_FAILURE; | |||
| 3314 | ||||
| 3315 | nsCOMPtr<nsIPrompt> prompter(do_GetInterface(mDocShell)); | |||
| 3316 | NS_ENSURE_TRUE(prompter, NS_ERROR_NO_INTERFACE)do { if ((__builtin_expect(!!(!(prompter)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "prompter" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3316); return NS_ERROR_NO_INTERFACE; } } while (false); | |||
| 3317 | ||||
| 3318 | prompter.forget(aPrompt); | |||
| 3319 | return NS_OK; | |||
| 3320 | } | |||
| 3321 | ||||
| 3322 | bool nsGlobalWindowOuter::GetClosedOuter() { | |||
| 3323 | // If someone called close(), or if we don't have a docshell, we're closed. | |||
| 3324 | return mIsClosed || !mDocShell; | |||
| 3325 | } | |||
| 3326 | ||||
| 3327 | bool nsGlobalWindowOuter::Closed() { return GetClosedOuter(); } | |||
| 3328 | ||||
| 3329 | Nullable<WindowProxyHolder> nsGlobalWindowOuter::IndexedGetterOuter( | |||
| 3330 | uint32_t aIndex) { | |||
| 3331 | BrowsingContext* bc = GetBrowsingContext(); | |||
| 3332 | NS_ENSURE_TRUE(bc, nullptr)do { if ((__builtin_expect(!!(!(bc)), 0))) { NS_DebugBreak(NS_DEBUG_WARNING , "NS_ENSURE_TRUE(" "bc" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3332); return nullptr; } } while (false); | |||
| 3333 | ||||
| 3334 | Span<RefPtr<BrowsingContext>> children = bc->NonSyntheticChildren(); | |||
| 3335 | ||||
| 3336 | if (aIndex < children.Length()) { | |||
| 3337 | return WindowProxyHolder(children[aIndex]); | |||
| 3338 | } | |||
| 3339 | return nullptr; | |||
| 3340 | } | |||
| 3341 | ||||
| 3342 | nsIControllers* nsGlobalWindowOuter::GetControllersOuter(ErrorResult& aError) { | |||
| 3343 | if (!mControllers) { | |||
| 3344 | mControllers = new nsXULControllers(); | |||
| 3345 | if (!mControllers) { | |||
| 3346 | aError.Throw(NS_ERROR_FAILURE); | |||
| 3347 | return nullptr; | |||
| 3348 | } | |||
| 3349 | ||||
| 3350 | // Add in the default controller | |||
| 3351 | RefPtr<nsBaseCommandController> commandController = | |||
| 3352 | nsBaseCommandController::CreateWindowController(); | |||
| 3353 | if (!commandController) { | |||
| 3354 | aError.Throw(NS_ERROR_FAILURE); | |||
| 3355 | return nullptr; | |||
| 3356 | } | |||
| 3357 | ||||
| 3358 | mControllers->InsertControllerAt(0, commandController); | |||
| 3359 | commandController->SetCommandContext(static_cast<nsIDOMWindow*>(this)); | |||
| 3360 | } | |||
| 3361 | ||||
| 3362 | return mControllers; | |||
| 3363 | } | |||
| 3364 | ||||
| 3365 | nsresult nsGlobalWindowOuter::GetControllers(nsIControllers** aResult) { | |||
| 3366 | FORWARD_TO_INNER(GetControllers, (aResult), NS_ERROR_UNEXPECTED)do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3366); return NS_ERROR_UNEXPECTED; } return GetCurrentInnerWindowInternal (this)->GetControllers (aResult); } while (0); | |||
| 3367 | } | |||
| 3368 | ||||
| 3369 | already_AddRefed<BrowsingContext> | |||
| 3370 | nsGlobalWindowOuter::GetOpenerBrowsingContext() { | |||
| 3371 | RefPtr<BrowsingContext> opener = GetBrowsingContext()->GetOpener(); | |||
| 3372 | MOZ_DIAGNOSTIC_ASSERT(!opener ||do { static_assert( mozilla::detail::AssertionConditionType< decltype(!opener || opener->Group() == GetBrowsingContext( )->Group())>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(!opener || opener->Group() == GetBrowsingContext ()->Group()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("!opener || opener->Group() == GetBrowsingContext()->Group()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3373); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "!opener || opener->Group() == GetBrowsingContext()->Group()" ")"); do { *((volatile int*)__null) = 3373; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 3373 | opener->Group() == GetBrowsingContext()->Group())do { static_assert( mozilla::detail::AssertionConditionType< decltype(!opener || opener->Group() == GetBrowsingContext( )->Group())>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(!opener || opener->Group() == GetBrowsingContext ()->Group()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("!opener || opener->Group() == GetBrowsingContext()->Group()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3373); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "!opener || opener->Group() == GetBrowsingContext()->Group()" ")"); do { *((volatile int*)__null) = 3373; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 3374 | if (!opener || opener->Group() != GetBrowsingContext()->Group()) { | |||
| 3375 | return nullptr; | |||
| 3376 | } | |||
| 3377 | ||||
| 3378 | // Catch the case where we're chrome but the opener is not... | |||
| 3379 | if (nsContentUtils::LegacyIsCallerChromeOrNativeCode() && | |||
| 3380 | GetPrincipal() == nsContentUtils::GetSystemPrincipal()) { | |||
| 3381 | auto* openerWin = nsGlobalWindowOuter::Cast(opener->GetDOMWindow()); | |||
| 3382 | if (!openerWin || | |||
| 3383 | openerWin->GetPrincipal() != nsContentUtils::GetSystemPrincipal()) { | |||
| 3384 | return nullptr; | |||
| 3385 | } | |||
| 3386 | } | |||
| 3387 | ||||
| 3388 | return opener.forget(); | |||
| 3389 | } | |||
| 3390 | ||||
| 3391 | nsPIDOMWindowOuter* nsGlobalWindowOuter::GetSameProcessOpener() { | |||
| 3392 | if (RefPtr<BrowsingContext> opener = GetOpenerBrowsingContext()) { | |||
| 3393 | return opener->GetDOMWindow(); | |||
| 3394 | } | |||
| 3395 | return nullptr; | |||
| 3396 | } | |||
| 3397 | ||||
| 3398 | Nullable<WindowProxyHolder> nsGlobalWindowOuter::GetOpenerWindowOuter() { | |||
| 3399 | if (RefPtr<BrowsingContext> opener = GetOpenerBrowsingContext()) { | |||
| 3400 | return WindowProxyHolder(std::move(opener)); | |||
| 3401 | } | |||
| 3402 | return nullptr; | |||
| 3403 | } | |||
| 3404 | ||||
| 3405 | Nullable<WindowProxyHolder> nsGlobalWindowOuter::GetOpener() { | |||
| 3406 | return GetOpenerWindowOuter(); | |||
| 3407 | } | |||
| 3408 | ||||
| 3409 | void nsGlobalWindowOuter::GetStatusOuter(nsAString& aStatus) { | |||
| 3410 | aStatus = mStatus; | |||
| 3411 | } | |||
| 3412 | ||||
| 3413 | void nsGlobalWindowOuter::SetStatusOuter(const nsAString& aStatus) { | |||
| 3414 | mStatus = aStatus; | |||
| 3415 | ||||
| 3416 | // We don't support displaying window.status in the UI, so there's nothing | |||
| 3417 | // left to do here. | |||
| 3418 | } | |||
| 3419 | ||||
| 3420 | void nsGlobalWindowOuter::GetNameOuter(nsAString& aName) { | |||
| 3421 | if (mDocShell) { | |||
| 3422 | mDocShell->GetName(aName); | |||
| 3423 | } | |||
| 3424 | } | |||
| 3425 | ||||
| 3426 | void nsGlobalWindowOuter::SetNameOuter(const nsAString& aName, | |||
| 3427 | mozilla::ErrorResult& aError) { | |||
| 3428 | if (mDocShell) { | |||
| 3429 | aError = mDocShell->SetName(aName); | |||
| 3430 | } | |||
| 3431 | } | |||
| 3432 | ||||
| 3433 | // NOTE: The idea of this function is that it should return the same as | |||
| 3434 | // nsPresContext::CSSToDeviceScale() if it was in aWindow synchronously. For | |||
| 3435 | // that, we use the UnscaledDevicePixelsPerCSSPixel() (which contains the device | |||
| 3436 | // scale and the OS zoom scale) and then account for the browsing context full | |||
| 3437 | // zoom. See the declaration of this function for context about why this is | |||
| 3438 | // needed. | |||
| 3439 | CSSToLayoutDeviceScale nsGlobalWindowOuter::CSSToDevScaleForBaseWindow( | |||
| 3440 | nsIBaseWindow* aWindow) { | |||
| 3441 | MOZ_ASSERT(aWindow)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aWindow)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aWindow))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aWindow", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3441); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aWindow" ")" ); do { *((volatile int*)__null) = 3441; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 3442 | auto scale = aWindow->UnscaledDevicePixelsPerCSSPixel(); | |||
| 3443 | if (mBrowsingContext) { | |||
| 3444 | scale.scale *= mBrowsingContext->FullZoom(); | |||
| 3445 | } | |||
| 3446 | return scale; | |||
| 3447 | } | |||
| 3448 | ||||
| 3449 | nsresult nsGlobalWindowOuter::GetInnerSize(CSSSize& aSize) { | |||
| 3450 | EnsureSizeAndPositionUpToDate(); | |||
| 3451 | ||||
| 3452 | NS_ENSURE_STATE(mDocShell)do { if ((__builtin_expect(!!(!(mDocShell)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mDocShell" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3452); return NS_ERROR_UNEXPECTED; } } while (false); | |||
| 3453 | ||||
| 3454 | RefPtr<nsPresContext> presContext = mDocShell->GetPresContext(); | |||
| 3455 | PresShell* presShell = mDocShell->GetPresShell(); | |||
| 3456 | ||||
| 3457 | if (!presContext || !presShell) { | |||
| 3458 | aSize = {}; | |||
| 3459 | return NS_OK; | |||
| 3460 | } | |||
| 3461 | ||||
| 3462 | // Whether or not the css viewport has been overridden, we can get the | |||
| 3463 | // correct value by looking at the visible area of the presContext. | |||
| 3464 | if (RefPtr<nsViewManager> viewManager = presShell->GetViewManager()) { | |||
| 3465 | viewManager->FlushDelayedResize(); | |||
| 3466 | } | |||
| 3467 | ||||
| 3468 | // FIXME: Bug 1598487 - Return the layout viewport instead of the ICB. | |||
| 3469 | nsSize viewportSize = presContext->GetVisibleArea().Size(); | |||
| 3470 | if (presContext->GetDynamicToolbarState() == DynamicToolbarState::Collapsed) { | |||
| 3471 | viewportSize = | |||
| 3472 | nsLayoutUtils::ExpandHeightForViewportUnits(presContext, viewportSize); | |||
| 3473 | } | |||
| 3474 | ||||
| 3475 | aSize = CSSPixel::FromAppUnits(viewportSize); | |||
| 3476 | ||||
| 3477 | switch (StaticPrefs::dom_innerSize_rounding()) { | |||
| 3478 | case 1: | |||
| 3479 | aSize.width = std::roundf(aSize.width); | |||
| 3480 | aSize.height = std::roundf(aSize.height); | |||
| 3481 | break; | |||
| 3482 | case 2: | |||
| 3483 | aSize.width = std::truncf(aSize.width); | |||
| 3484 | aSize.height = std::truncf(aSize.height); | |||
| 3485 | break; | |||
| 3486 | default: | |||
| 3487 | break; | |||
| 3488 | } | |||
| 3489 | ||||
| 3490 | return NS_OK; | |||
| 3491 | } | |||
| 3492 | ||||
| 3493 | double nsGlobalWindowOuter::GetInnerWidthOuter(ErrorResult& aError) { | |||
| 3494 | CSSSize size; | |||
| 3495 | aError = GetInnerSize(size); | |||
| 3496 | return size.width; | |||
| 3497 | } | |||
| 3498 | ||||
| 3499 | nsresult nsGlobalWindowOuter::GetInnerWidth(double* aInnerWidth) { | |||
| 3500 | FORWARD_TO_INNER(GetInnerWidth, (aInnerWidth), NS_ERROR_UNEXPECTED)do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3500); return NS_ERROR_UNEXPECTED; } return GetCurrentInnerWindowInternal (this)->GetInnerWidth (aInnerWidth); } while (0); | |||
| 3501 | } | |||
| 3502 | ||||
| 3503 | double nsGlobalWindowOuter::GetInnerHeightOuter(ErrorResult& aError) { | |||
| 3504 | CSSSize size; | |||
| 3505 | aError = GetInnerSize(size); | |||
| 3506 | return size.height; | |||
| 3507 | } | |||
| 3508 | ||||
| 3509 | nsresult nsGlobalWindowOuter::GetInnerHeight(double* aInnerHeight) { | |||
| 3510 | FORWARD_TO_INNER(GetInnerHeight, (aInnerHeight), NS_ERROR_UNEXPECTED)do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3510); return NS_ERROR_UNEXPECTED; } return GetCurrentInnerWindowInternal (this)->GetInnerHeight (aInnerHeight); } while (0); | |||
| 3511 | } | |||
| 3512 | ||||
| 3513 | CSSIntSize nsGlobalWindowOuter::GetOuterSize(CallerType aCallerType, | |||
| 3514 | ErrorResult& aError) { | |||
| 3515 | if (nsIGlobalObject::ShouldResistFingerprinting(aCallerType, | |||
| 3516 | RFPTarget::WindowOuterSize)) { | |||
| 3517 | CSSSize size; | |||
| 3518 | aError = GetInnerSize(size); | |||
| 3519 | return RoundedToInt(size); | |||
| 3520 | } | |||
| 3521 | ||||
| 3522 | // Windows showing documents in RDM panes and any subframes within them | |||
| 3523 | // return the simulated device size. | |||
| 3524 | if (mDoc) { | |||
| 3525 | Maybe<CSSIntSize> deviceSize = GetRDMDeviceSize(*mDoc); | |||
| 3526 | if (deviceSize.isSome()) { | |||
| 3527 | return *deviceSize; | |||
| 3528 | } | |||
| 3529 | } | |||
| 3530 | ||||
| 3531 | nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow(); | |||
| 3532 | if (!treeOwnerAsWin) { | |||
| 3533 | aError.Throw(NS_ERROR_FAILURE); | |||
| 3534 | return {}; | |||
| 3535 | } | |||
| 3536 | ||||
| 3537 | return RoundedToInt(treeOwnerAsWin->GetSize() / | |||
| 3538 | CSSToDevScaleForBaseWindow(treeOwnerAsWin)); | |||
| 3539 | } | |||
| 3540 | ||||
| 3541 | int32_t nsGlobalWindowOuter::GetOuterWidthOuter(CallerType aCallerType, | |||
| 3542 | ErrorResult& aError) { | |||
| 3543 | return GetOuterSize(aCallerType, aError).width; | |||
| 3544 | } | |||
| 3545 | ||||
| 3546 | int32_t nsGlobalWindowOuter::GetOuterHeightOuter(CallerType aCallerType, | |||
| 3547 | ErrorResult& aError) { | |||
| 3548 | return GetOuterSize(aCallerType, aError).height; | |||
| 3549 | } | |||
| 3550 | ||||
| 3551 | CSSPoint nsGlobalWindowOuter::ScreenEdgeSlop() { | |||
| 3552 | if (NS_WARN_IF(!mDocShell)NS_warn_if_impl(!mDocShell, "!mDocShell", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3552)) { | |||
| 3553 | return {}; | |||
| 3554 | } | |||
| 3555 | RefPtr<nsPresContext> pc = mDocShell->GetPresContext(); | |||
| 3556 | if (NS_WARN_IF(!pc)NS_warn_if_impl(!pc, "!pc", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3556)) { | |||
| 3557 | return {}; | |||
| 3558 | } | |||
| 3559 | nsCOMPtr<nsIWidget> widget = GetMainWidget(); | |||
| 3560 | if (NS_WARN_IF(!widget)NS_warn_if_impl(!widget, "!widget", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3560)) { | |||
| 3561 | return {}; | |||
| 3562 | } | |||
| 3563 | LayoutDeviceIntPoint pt = widget->GetScreenEdgeSlop(); | |||
| 3564 | auto auPoint = | |||
| 3565 | LayoutDeviceIntPoint::ToAppUnits(pt, pc->AppUnitsPerDevPixel()); | |||
| 3566 | return CSSPoint::FromAppUnits(auPoint); | |||
| 3567 | } | |||
| 3568 | ||||
| 3569 | CSSIntPoint nsGlobalWindowOuter::GetScreenXY(CallerType aCallerType, | |||
| 3570 | ErrorResult& aError) { | |||
| 3571 | // When resisting fingerprinting, always return (0,0) | |||
| 3572 | if (nsIGlobalObject::ShouldResistFingerprinting(aCallerType, | |||
| 3573 | RFPTarget::WindowScreenXY)) { | |||
| 3574 | return CSSIntPoint(0, 0); | |||
| 3575 | } | |||
| 3576 | ||||
| 3577 | nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow(); | |||
| 3578 | if (!treeOwnerAsWin) { | |||
| 3579 | aError.Throw(NS_ERROR_FAILURE); | |||
| 3580 | return CSSIntPoint(0, 0); | |||
| 3581 | } | |||
| 3582 | ||||
| 3583 | LayoutDeviceIntPoint windowPos; | |||
| 3584 | aError = treeOwnerAsWin->GetPosition(&windowPos.x.value, &windowPos.y.value); | |||
| 3585 | ||||
| 3586 | RefPtr<nsPresContext> presContext = mDocShell->GetPresContext(); | |||
| 3587 | if (!presContext) { | |||
| 3588 | // XXX Fishy LayoutDevice to CSS conversion? | |||
| 3589 | return CSSIntPoint(windowPos.x, windowPos.y); | |||
| 3590 | } | |||
| 3591 | ||||
| 3592 | nsDeviceContext* context = presContext->DeviceContext(); | |||
| 3593 | auto windowPosAppUnits = LayoutDeviceIntPoint::ToAppUnits( | |||
| 3594 | windowPos, context->AppUnitsPerDevPixel()); | |||
| 3595 | return CSSIntPoint::FromAppUnitsRounded(windowPosAppUnits); | |||
| 3596 | } | |||
| 3597 | ||||
| 3598 | int32_t nsGlobalWindowOuter::GetScreenXOuter(CallerType aCallerType, | |||
| 3599 | ErrorResult& aError) { | |||
| 3600 | return GetScreenXY(aCallerType, aError).x; | |||
| 3601 | } | |||
| 3602 | ||||
| 3603 | nsRect nsGlobalWindowOuter::GetInnerScreenRect() { | |||
| 3604 | if (!mDocShell) { | |||
| 3605 | return nsRect(); | |||
| 3606 | } | |||
| 3607 | ||||
| 3608 | EnsureSizeAndPositionUpToDate(); | |||
| 3609 | ||||
| 3610 | if (!mDocShell) { | |||
| 3611 | return nsRect(); | |||
| 3612 | } | |||
| 3613 | ||||
| 3614 | PresShell* presShell = mDocShell->GetPresShell(); | |||
| 3615 | if (!presShell) { | |||
| 3616 | return nsRect(); | |||
| 3617 | } | |||
| 3618 | nsIFrame* rootFrame = presShell->GetRootFrame(); | |||
| 3619 | if (!rootFrame) { | |||
| 3620 | return nsRect(); | |||
| 3621 | } | |||
| 3622 | ||||
| 3623 | return rootFrame->GetScreenRectInAppUnits(); | |||
| 3624 | } | |||
| 3625 | ||||
| 3626 | Maybe<CSSIntSize> nsGlobalWindowOuter::GetRDMDeviceSize( | |||
| 3627 | const Document& aDocument) { | |||
| 3628 | // RDM device size should reflect the simulated device resolution, and | |||
| 3629 | // be independent of any full zoom or resolution zoom applied to the | |||
| 3630 | // content. To get this value, we get the "unscaled" browser child size, | |||
| 3631 | // and divide by the full zoom. "Unscaled" in this case means unscaled | |||
| 3632 | // from device to screen but it has been affected (multiplied) by the | |||
| 3633 | // full zoom and we need to compensate for that. | |||
| 3634 | MOZ_RELEASE_ASSERT(NS_IsMainThread())do { static_assert( mozilla::detail::AssertionConditionType< decltype(NS_IsMainThread())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(NS_IsMainThread()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("NS_IsMainThread()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3634); AnnotateMozCrashReason("MOZ_RELEASE_ASSERT" "(" "NS_IsMainThread()" ")"); do { *((volatile int*)__null) = 3634; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 3635 | ||||
| 3636 | // Bug 1576256: This does not work for cross-process subframes. | |||
| 3637 | const Document* topInProcessContentDoc = | |||
| 3638 | aDocument.GetTopLevelContentDocumentIfSameProcess(); | |||
| 3639 | BrowsingContext* bc = topInProcessContentDoc | |||
| 3640 | ? topInProcessContentDoc->GetBrowsingContext() | |||
| 3641 | : nullptr; | |||
| 3642 | if (bc && bc->InRDMPane()) { | |||
| 3643 | nsIDocShell* docShell = topInProcessContentDoc->GetDocShell(); | |||
| 3644 | if (docShell) { | |||
| 3645 | nsPresContext* presContext = docShell->GetPresContext(); | |||
| 3646 | if (presContext) { | |||
| 3647 | nsCOMPtr<nsIBrowserChild> child = docShell->GetBrowserChild(); | |||
| 3648 | if (child) { | |||
| 3649 | // We intentionally use GetFullZoom here instead of | |||
| 3650 | // GetDeviceFullZoom, because the unscaledInnerSize is based | |||
| 3651 | // on the full zoom and not the device full zoom (which is | |||
| 3652 | // rounded to result in integer device pixels). | |||
| 3653 | float zoom = presContext->GetFullZoom(); | |||
| 3654 | BrowserChild* bc = static_cast<BrowserChild*>(child.get()); | |||
| 3655 | CSSSize unscaledSize = bc->GetUnscaledInnerSize(); | |||
| 3656 | return Some(CSSIntSize(gfx::RoundedToInt(unscaledSize / zoom))); | |||
| 3657 | } | |||
| 3658 | } | |||
| 3659 | } | |||
| 3660 | } | |||
| 3661 | return Nothing(); | |||
| 3662 | } | |||
| 3663 | ||||
| 3664 | float nsGlobalWindowOuter::GetMozInnerScreenXOuter(CallerType aCallerType) { | |||
| 3665 | // When resisting fingerprinting, always return 0. | |||
| 3666 | if (nsIGlobalObject::ShouldResistFingerprinting( | |||
| 3667 | aCallerType, RFPTarget::WindowInnerScreenXY)) { | |||
| 3668 | return 0.0; | |||
| 3669 | } | |||
| 3670 | ||||
| 3671 | nsRect r = GetInnerScreenRect(); | |||
| 3672 | return nsPresContext::AppUnitsToFloatCSSPixels(r.x); | |||
| 3673 | } | |||
| 3674 | ||||
| 3675 | float nsGlobalWindowOuter::GetMozInnerScreenYOuter(CallerType aCallerType) { | |||
| 3676 | // Return 0 to prevent fingerprinting. | |||
| 3677 | if (nsIGlobalObject::ShouldResistFingerprinting( | |||
| 3678 | aCallerType, RFPTarget::WindowInnerScreenXY)) { | |||
| 3679 | return 0.0; | |||
| 3680 | } | |||
| 3681 | ||||
| 3682 | nsRect r = GetInnerScreenRect(); | |||
| 3683 | return nsPresContext::AppUnitsToFloatCSSPixels(r.y); | |||
| 3684 | } | |||
| 3685 | ||||
| 3686 | int32_t nsGlobalWindowOuter::GetScreenYOuter(CallerType aCallerType, | |||
| 3687 | ErrorResult& aError) { | |||
| 3688 | return GetScreenXY(aCallerType, aError).y; | |||
| 3689 | } | |||
| 3690 | ||||
| 3691 | // NOTE: Arguments to this function should have values scaled to | |||
| 3692 | // CSS pixels, not device pixels. | |||
| 3693 | void nsGlobalWindowOuter::CheckSecurityWidthAndHeight(int32_t* aWidth, | |||
| 3694 | int32_t* aHeight, | |||
| 3695 | CallerType aCallerType) { | |||
| 3696 | if (aCallerType != CallerType::System) { | |||
| 3697 | // if attempting to resize the window, hide any open popups | |||
| 3698 | nsContentUtils::HidePopupsInDocument(mDoc); | |||
| 3699 | } | |||
| 3700 | ||||
| 3701 | // This one is easy. Just ensure the variable is greater than 100; | |||
| 3702 | if ((aWidth && *aWidth < 100) || (aHeight && *aHeight < 100)) { | |||
| 3703 | // Check security state for use in determing window dimensions | |||
| 3704 | ||||
| 3705 | if (aCallerType != CallerType::System) { | |||
| 3706 | // sec check failed | |||
| 3707 | if (aWidth && *aWidth < 100) { | |||
| 3708 | *aWidth = 100; | |||
| 3709 | } | |||
| 3710 | if (aHeight && *aHeight < 100) { | |||
| 3711 | *aHeight = 100; | |||
| 3712 | } | |||
| 3713 | } | |||
| 3714 | } | |||
| 3715 | } | |||
| 3716 | ||||
| 3717 | // NOTE: Arguments to this function should have values in app units | |||
| 3718 | void nsGlobalWindowOuter::SetCSSViewportWidthAndHeight(nscoord aInnerWidth, | |||
| 3719 | nscoord aInnerHeight) { | |||
| 3720 | RefPtr<nsPresContext> presContext = mDocShell->GetPresContext(); | |||
| 3721 | ||||
| 3722 | nsRect shellArea = presContext->GetVisibleArea(); | |||
| 3723 | shellArea.SetHeight(aInnerHeight); | |||
| 3724 | shellArea.SetWidth(aInnerWidth); | |||
| 3725 | ||||
| 3726 | // FIXME(emilio): This doesn't seem to be ok, this doesn't reflow or | |||
| 3727 | // anything... Should go through PresShell::ResizeReflow. | |||
| 3728 | // | |||
| 3729 | // But I don't think this can be reached by content, as we don't allow to set | |||
| 3730 | // inner{Width,Height}. | |||
| 3731 | presContext->SetVisibleArea(shellArea); | |||
| 3732 | } | |||
| 3733 | ||||
| 3734 | // NOTE: Arguments to this function should have values scaled to | |||
| 3735 | // CSS pixels, not device pixels. | |||
| 3736 | void nsGlobalWindowOuter::CheckSecurityLeftAndTop(int32_t* aLeft, int32_t* aTop, | |||
| 3737 | CallerType aCallerType) { | |||
| 3738 | // This one is harder. We have to get the screen size and window dimensions. | |||
| 3739 | ||||
| 3740 | // Check security state for use in determing window dimensions | |||
| 3741 | ||||
| 3742 | if (aCallerType != CallerType::System) { | |||
| 3743 | // if attempting to move the window, hide any open popups | |||
| 3744 | nsContentUtils::HidePopupsInDocument(mDoc); | |||
| 3745 | ||||
| 3746 | if (nsGlobalWindowOuter* rootWindow = | |||
| 3747 | nsGlobalWindowOuter::Cast(GetPrivateRoot())) { | |||
| 3748 | rootWindow->FlushPendingNotifications(FlushType::Layout); | |||
| 3749 | } | |||
| 3750 | ||||
| 3751 | nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow(); | |||
| 3752 | ||||
| 3753 | RefPtr<nsScreen> screen = GetScreen(); | |||
| 3754 | ||||
| 3755 | if (treeOwnerAsWin && screen) { | |||
| 3756 | CSSToLayoutDeviceScale scale = CSSToDevScaleForBaseWindow(treeOwnerAsWin); | |||
| 3757 | CSSIntRect winRect = | |||
| 3758 | CSSIntRect::Round(treeOwnerAsWin->GetPositionAndSize() / scale); | |||
| 3759 | ||||
| 3760 | // Get the screen dimensions | |||
| 3761 | // XXX This should use nsIScreenManager once it's fully fleshed out. | |||
| 3762 | int32_t screenLeft = screen->AvailLeft(); | |||
| 3763 | int32_t screenWidth = screen->AvailWidth(); | |||
| 3764 | int32_t screenHeight = screen->AvailHeight(); | |||
| 3765 | #if defined(XP_MACOSX) | |||
| 3766 | /* The mac's coordinate system is different from the assumed Windows' | |||
| 3767 | system. It offsets by the height of the menubar so that a window | |||
| 3768 | placed at (0,0) will be entirely visible. Unfortunately that | |||
| 3769 | correction is made elsewhere (in Widget) and the meaning of | |||
| 3770 | the Avail... coordinates is overloaded. Here we allow a window | |||
| 3771 | to be placed at (0,0) because it does make sense to do so. | |||
| 3772 | */ | |||
| 3773 | int32_t screenTop = screen->Top(); | |||
| 3774 | #else | |||
| 3775 | int32_t screenTop = screen->AvailTop(); | |||
| 3776 | #endif | |||
| 3777 | ||||
| 3778 | if (aLeft) { | |||
| 3779 | if (screenLeft + screenWidth < *aLeft + winRect.width) | |||
| 3780 | *aLeft = screenLeft + screenWidth - winRect.width; | |||
| 3781 | if (screenLeft > *aLeft) *aLeft = screenLeft; | |||
| 3782 | } | |||
| 3783 | if (aTop) { | |||
| 3784 | if (screenTop + screenHeight < *aTop + winRect.height) | |||
| 3785 | *aTop = screenTop + screenHeight - winRect.height; | |||
| 3786 | if (screenTop > *aTop) *aTop = screenTop; | |||
| 3787 | } | |||
| 3788 | } else { | |||
| 3789 | if (aLeft) *aLeft = 0; | |||
| 3790 | if (aTop) *aTop = 0; | |||
| 3791 | } | |||
| 3792 | } | |||
| 3793 | } | |||
| 3794 | ||||
| 3795 | int32_t nsGlobalWindowOuter::GetScrollBoundaryOuter(Side aSide) { | |||
| 3796 | FlushPendingNotifications(FlushType::Layout); | |||
| 3797 | if (ScrollContainerFrame* sf = GetScrollContainerFrame()) { | |||
| 3798 | return nsPresContext::AppUnitsToIntCSSPixels( | |||
| 3799 | sf->GetScrollRange().Edge(aSide)); | |||
| 3800 | } | |||
| 3801 | return 0; | |||
| 3802 | } | |||
| 3803 | ||||
| 3804 | CSSPoint nsGlobalWindowOuter::GetScrollXY(bool aDoFlush) { | |||
| 3805 | if (aDoFlush) { | |||
| 3806 | FlushPendingNotifications(FlushType::Layout); | |||
| 3807 | } else { | |||
| 3808 | EnsureSizeAndPositionUpToDate(); | |||
| 3809 | } | |||
| 3810 | ||||
| 3811 | ScrollContainerFrame* sf = GetScrollContainerFrame(); | |||
| 3812 | if (!sf) { | |||
| 3813 | return CSSIntPoint(0, 0); | |||
| 3814 | } | |||
| 3815 | ||||
| 3816 | nsPoint scrollPos = sf->GetScrollPosition(); | |||
| 3817 | if (scrollPos != nsPoint(0, 0) && !aDoFlush) { | |||
| 3818 | // Oh, well. This is the expensive case -- the window is scrolled and we | |||
| 3819 | // didn't actually flush yet. Repeat, but with a flush, since the content | |||
| 3820 | // may get shorter and hence our scroll position may decrease. | |||
| 3821 | return GetScrollXY(true); | |||
| 3822 | } | |||
| 3823 | ||||
| 3824 | return CSSPoint::FromAppUnits(scrollPos); | |||
| 3825 | } | |||
| 3826 | ||||
| 3827 | double nsGlobalWindowOuter::GetScrollXOuter() { return GetScrollXY(false).x; } | |||
| 3828 | ||||
| 3829 | double nsGlobalWindowOuter::GetScrollYOuter() { return GetScrollXY(false).y; } | |||
| 3830 | ||||
| 3831 | uint32_t nsGlobalWindowOuter::Length() { | |||
| 3832 | BrowsingContext* bc = GetBrowsingContext(); | |||
| 3833 | return bc ? bc->NonSyntheticChildren().Length() : 0; | |||
| 3834 | } | |||
| 3835 | ||||
| 3836 | Nullable<WindowProxyHolder> nsGlobalWindowOuter::GetTopOuter() { | |||
| 3837 | BrowsingContext* bc = GetBrowsingContext(); | |||
| 3838 | return bc ? bc->GetTop(IgnoreErrors()) : nullptr; | |||
| 3839 | } | |||
| 3840 | ||||
| 3841 | already_AddRefed<BrowsingContext> nsGlobalWindowOuter::GetChildWindow( | |||
| 3842 | const nsAString& aName) { | |||
| 3843 | NS_ENSURE_TRUE(mBrowsingContext, nullptr)do { if ((__builtin_expect(!!(!(mBrowsingContext)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mBrowsingContext" ") failed" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3843); return nullptr; } } while (false); | |||
| 3844 | NS_ENSURE_TRUE(mInnerWindow, nullptr)do { if ((__builtin_expect(!!(!(mInnerWindow)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mInnerWindow" ") failed" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3844); return nullptr; } } while (false); | |||
| 3845 | NS_ENSURE_TRUE(mInnerWindow->GetWindowGlobalChild(), nullptr)do { if ((__builtin_expect(!!(!(mInnerWindow->GetWindowGlobalChild ())), 0))) { NS_DebugBreak(NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mInnerWindow->GetWindowGlobalChild()" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3845); return nullptr; } } while (false); | |||
| 3846 | ||||
| 3847 | return do_AddRef(mBrowsingContext->FindChildWithName( | |||
| 3848 | aName, *mInnerWindow->GetWindowGlobalChild())); | |||
| 3849 | } | |||
| 3850 | ||||
| 3851 | bool nsGlobalWindowOuter::DispatchCustomEvent( | |||
| 3852 | const nsAString& aEventName, ChromeOnlyDispatch aChromeOnlyDispatch) { | |||
| 3853 | bool defaultActionEnabled = true; | |||
| 3854 | ||||
| 3855 | if (aChromeOnlyDispatch == ChromeOnlyDispatch::eYes) { | |||
| 3856 | nsContentUtils::DispatchEventOnlyToChrome(mDoc, this, aEventName, | |||
| 3857 | CanBubble::eYes, Cancelable::eYes, | |||
| 3858 | &defaultActionEnabled); | |||
| 3859 | } else { | |||
| 3860 | nsContentUtils::DispatchTrustedEvent(mDoc, this, aEventName, | |||
| 3861 | CanBubble::eYes, Cancelable::eYes, | |||
| 3862 | &defaultActionEnabled); | |||
| 3863 | } | |||
| 3864 | ||||
| 3865 | return defaultActionEnabled; | |||
| 3866 | } | |||
| 3867 | ||||
| 3868 | bool nsGlobalWindowOuter::DispatchResizeEvent(const CSSIntSize& aSize) { | |||
| 3869 | ErrorResult res; | |||
| 3870 | RefPtr<Event> domEvent = | |||
| 3871 | mDoc->CreateEvent(u"CustomEvent"_ns, CallerType::System, res); | |||
| 3872 | if (res.Failed()) { | |||
| 3873 | return false; | |||
| 3874 | } | |||
| 3875 | ||||
| 3876 | // We don't init the AutoJSAPI with ourselves because we don't want it | |||
| 3877 | // reporting errors to our onerror handlers. | |||
| 3878 | AutoJSAPI jsapi; | |||
| 3879 | jsapi.Init(); | |||
| 3880 | JSContext* cx = jsapi.cx(); | |||
| 3881 | JSAutoRealm ar(cx, GetWrapperPreserveColor()); | |||
| 3882 | ||||
| 3883 | DOMWindowResizeEventDetail detail; | |||
| 3884 | detail.mWidth = aSize.width; | |||
| 3885 | detail.mHeight = aSize.height; | |||
| 3886 | JS::Rooted<JS::Value> detailValue(cx); | |||
| 3887 | if (!ToJSValue(cx, detail, &detailValue)) { | |||
| 3888 | return false; | |||
| 3889 | } | |||
| 3890 | ||||
| 3891 | CustomEvent* customEvent = static_cast<CustomEvent*>(domEvent.get()); | |||
| 3892 | customEvent->InitCustomEvent(cx, u"DOMWindowResize"_ns, | |||
| 3893 | /* aCanBubble = */ true, | |||
| 3894 | /* aCancelable = */ true, detailValue); | |||
| 3895 | ||||
| 3896 | domEvent->SetTrusted(true); | |||
| 3897 | domEvent->WidgetEventPtr()->mFlags.mOnlyChromeDispatch = true; | |||
| 3898 | ||||
| 3899 | nsCOMPtr<EventTarget> target = this; | |||
| 3900 | domEvent->SetTarget(target); | |||
| 3901 | ||||
| 3902 | return target->DispatchEvent(*domEvent, CallerType::System, IgnoreErrors()); | |||
| 3903 | } | |||
| 3904 | ||||
| 3905 | bool nsGlobalWindowOuter::WindowExists(const nsAString& aName, | |||
| 3906 | bool aForceNoOpener, | |||
| 3907 | bool aLookForCallerOnJSStack) { | |||
| 3908 | MOZ_ASSERT(mDocShell, "Must have docshell")do { static_assert( mozilla::detail::AssertionConditionType< decltype(mDocShell)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mDocShell))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mDocShell" " (" "Must have docshell" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 3908); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mDocShell" ") (" "Must have docshell" ")"); do { *((volatile int*)__null) = 3908 ; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); | |||
| 3909 | ||||
| 3910 | if (aForceNoOpener) { | |||
| 3911 | return aName.LowerCaseEqualsLiteral("_self") || | |||
| 3912 | aName.LowerCaseEqualsLiteral("_top") || | |||
| 3913 | aName.LowerCaseEqualsLiteral("_parent"); | |||
| 3914 | } | |||
| 3915 | ||||
| 3916 | if (WindowGlobalChild* wgc = mInnerWindow->GetWindowGlobalChild()) { | |||
| 3917 | return wgc->FindBrowsingContextWithName(aName, aLookForCallerOnJSStack); | |||
| 3918 | } | |||
| 3919 | return false; | |||
| 3920 | } | |||
| 3921 | ||||
| 3922 | already_AddRefed<nsIWidget> nsGlobalWindowOuter::GetMainWidget() { | |||
| 3923 | nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow(); | |||
| 3924 | ||||
| 3925 | nsCOMPtr<nsIWidget> widget; | |||
| 3926 | ||||
| 3927 | if (treeOwnerAsWin) { | |||
| 3928 | treeOwnerAsWin->GetMainWidget(getter_AddRefs(widget)); | |||
| 3929 | } | |||
| 3930 | ||||
| 3931 | return widget.forget(); | |||
| 3932 | } | |||
| 3933 | ||||
| 3934 | nsIWidget* nsGlobalWindowOuter::GetNearestWidget() const { | |||
| 3935 | nsIDocShell* docShell = GetDocShell(); | |||
| 3936 | if (!docShell) { | |||
| 3937 | return nullptr; | |||
| 3938 | } | |||
| 3939 | PresShell* presShell = docShell->GetPresShell(); | |||
| 3940 | if (!presShell) { | |||
| 3941 | return nullptr; | |||
| 3942 | } | |||
| 3943 | nsIFrame* rootFrame = presShell->GetRootFrame(); | |||
| 3944 | if (!rootFrame) { | |||
| 3945 | return nullptr; | |||
| 3946 | } | |||
| 3947 | return rootFrame->GetView()->GetNearestWidget(nullptr); | |||
| 3948 | } | |||
| 3949 | ||||
| 3950 | void nsGlobalWindowOuter::SetFullscreenOuter(bool aFullscreen, | |||
| 3951 | mozilla::ErrorResult& aError) { | |||
| 3952 | aError = | |||
| 3953 | SetFullscreenInternal(FullscreenReason::ForFullscreenMode, aFullscreen); | |||
| 3954 | } | |||
| 3955 | ||||
| 3956 | nsresult nsGlobalWindowOuter::SetFullScreen(bool aFullscreen) { | |||
| 3957 | return SetFullscreenInternal(FullscreenReason::ForFullscreenMode, | |||
| 3958 | aFullscreen); | |||
| 3959 | } | |||
| 3960 | ||||
| 3961 | static void FinishDOMFullscreenChange(Document* aDoc, bool aInDOMFullscreen) { | |||
| 3962 | if (aInDOMFullscreen) { | |||
| 3963 | // Ask the document to handle any pending DOM fullscreen change. | |||
| 3964 | if (!Document::HandlePendingFullscreenRequests(aDoc)) { | |||
| 3965 | // If we don't end up having anything in fullscreen, | |||
| 3966 | // async request exiting fullscreen. | |||
| 3967 | Document::AsyncExitFullscreen(aDoc); | |||
| 3968 | } | |||
| 3969 | } else { | |||
| 3970 | // If the window is leaving fullscreen state, also ask the document | |||
| 3971 | // to exit from DOM Fullscreen. | |||
| 3972 | Document::ExitFullscreenInDocTree(aDoc); | |||
| 3973 | } | |||
| 3974 | } | |||
| 3975 | ||||
| 3976 | struct FullscreenTransitionDuration { | |||
| 3977 | // The unit of the durations is millisecond | |||
| 3978 | uint16_t mFadeIn = 0; | |||
| 3979 | uint16_t mFadeOut = 0; | |||
| 3980 | bool IsSuppressed() const { return mFadeIn == 0 && mFadeOut == 0; } | |||
| 3981 | }; | |||
| 3982 | ||||
| 3983 | static void GetFullscreenTransitionDuration( | |||
| 3984 | bool aEnterFullscreen, FullscreenTransitionDuration* aDuration) { | |||
| 3985 | const char* pref = aEnterFullscreen | |||
| 3986 | ? "full-screen-api.transition-duration.enter" | |||
| 3987 | : "full-screen-api.transition-duration.leave"; | |||
| 3988 | nsAutoCString prefValue; | |||
| 3989 | Preferences::GetCString(pref, prefValue); | |||
| 3990 | if (!prefValue.IsEmpty()) { | |||
| 3991 | sscanf(prefValue.get(), "%hu%hu", &aDuration->mFadeIn, | |||
| 3992 | &aDuration->mFadeOut); | |||
| 3993 | } | |||
| 3994 | } | |||
| 3995 | ||||
| 3996 | class FullscreenTransitionTask : public Runnable { | |||
| 3997 | public: | |||
| 3998 | FullscreenTransitionTask(const FullscreenTransitionDuration& aDuration, | |||
| 3999 | nsGlobalWindowOuter* aWindow, bool aFullscreen, | |||
| 4000 | nsIWidget* aWidget, nsISupports* aTransitionData) | |||
| 4001 | : mozilla::Runnable("FullscreenTransitionTask"), | |||
| 4002 | mWindow(aWindow), | |||
| 4003 | mWidget(aWidget), | |||
| 4004 | mTransitionData(aTransitionData), | |||
| 4005 | mDuration(aDuration), | |||
| 4006 | mStage(eBeforeToggle), | |||
| 4007 | mFullscreen(aFullscreen) {} | |||
| 4008 | ||||
| 4009 | NS_IMETHODvirtual nsresult Run() override; | |||
| 4010 | ||||
| 4011 | private: | |||
| 4012 | ~FullscreenTransitionTask() override = default; | |||
| 4013 | ||||
| 4014 | /** | |||
| 4015 | * The flow of fullscreen transition: | |||
| 4016 | * | |||
| 4017 | * parent process | child process | |||
| 4018 | * ---------------------------------------------------------------- | |||
| 4019 | * | |||
| 4020 | * | request/exit fullscreen | |||
| 4021 | * <-----| | |||
| 4022 | * BeforeToggle stage | | |||
| 4023 | * | | |||
| 4024 | * ToggleFullscreen stage *1 |-----> | |||
| 4025 | * | HandleFullscreenRequests | |||
| 4026 | * | | |||
| 4027 | * <-----| MozAfterPaint event | |||
| 4028 | * AfterToggle stage *2 | | |||
| 4029 | * | | |||
| 4030 | * End stage | | |||
| 4031 | * | |||
| 4032 | * Note we also start a timer at *1 so that if we don't get MozAfterPaint | |||
| 4033 | * from the child process in time, we continue going to *2. | |||
| 4034 | */ | |||
| 4035 | enum Stage { | |||
| 4036 | // BeforeToggle stage happens before we enter or leave fullscreen | |||
| 4037 | // state. In this stage, the task triggers the pre-toggle fullscreen | |||
| 4038 | // transition on the widget. | |||
| 4039 | eBeforeToggle, | |||
| 4040 | // ToggleFullscreen stage actually executes the fullscreen toggle, | |||
| 4041 | // and wait for the next paint on the content to continue. | |||
| 4042 | eToggleFullscreen, | |||
| 4043 | // AfterToggle stage happens after we toggle the fullscreen state. | |||
| 4044 | // In this stage, the task triggers the post-toggle fullscreen | |||
| 4045 | // transition on the widget. | |||
| 4046 | eAfterToggle, | |||
| 4047 | // End stage is triggered after the final transition finishes. | |||
| 4048 | eEnd | |||
| 4049 | }; | |||
| 4050 | ||||
| 4051 | class Observer final : public nsIObserver, public nsINamed { | |||
| 4052 | public: | |||
| 4053 | NS_DECL_ISUPPORTSpublic: virtual nsresult QueryInterface(const nsIID& aIID , void** aInstancePtr) override; virtual MozExternalRefCountType AddRef(void) override; virtual MozExternalRefCountType Release (void) override; using HasThreadSafeRefCnt = std::false_type; protected: nsAutoRefCnt mRefCnt; nsAutoOwningThread _mOwningThread ; public: | |||
| 4054 | NS_DECL_NSIOBSERVERvirtual nsresult Observe(nsISupports *aSubject, const char * aTopic , const char16_t * aData) override; | |||
| 4055 | NS_DECL_NSINAMEDvirtual nsresult GetName(nsACString& aName) override; | |||
| 4056 | ||||
| 4057 | explicit Observer(FullscreenTransitionTask* aTask) : mTask(aTask) {} | |||
| 4058 | ||||
| 4059 | private: | |||
| 4060 | ~Observer() = default; | |||
| 4061 | ||||
| 4062 | RefPtr<FullscreenTransitionTask> mTask; | |||
| 4063 | }; | |||
| 4064 | ||||
| 4065 | static const char* const kPaintedTopic; | |||
| 4066 | ||||
| 4067 | RefPtr<nsGlobalWindowOuter> mWindow; | |||
| 4068 | nsCOMPtr<nsIWidget> mWidget; | |||
| 4069 | nsCOMPtr<nsITimer> mTimer; | |||
| 4070 | nsCOMPtr<nsISupports> mTransitionData; | |||
| 4071 | ||||
| 4072 | TimeStamp mFullscreenChangeStartTime; | |||
| 4073 | FullscreenTransitionDuration mDuration; | |||
| 4074 | Stage mStage; | |||
| 4075 | bool mFullscreen; | |||
| 4076 | }; | |||
| 4077 | ||||
| 4078 | const char* const FullscreenTransitionTask::kPaintedTopic = | |||
| 4079 | "fullscreen-painted"; | |||
| 4080 | ||||
| 4081 | NS_IMETHODIMPnsresult | |||
| 4082 | FullscreenTransitionTask::Run() { | |||
| 4083 | Stage stage = mStage; | |||
| 4084 | mStage = Stage(mStage + 1); | |||
| 4085 | if (MOZ_UNLIKELY(mWidget->Destroyed())(__builtin_expect(!!(mWidget->Destroyed()), 0))) { | |||
| 4086 | // If the widget has been destroyed before we get here, don't try to | |||
| 4087 | // do anything more. Just let it go and release ourselves. | |||
| 4088 | NS_WARNING("The widget to fullscreen has been destroyed")NS_DebugBreak(NS_DEBUG_WARNING, "The widget to fullscreen has been destroyed" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4088); | |||
| 4089 | mWindow->mIsInFullScreenTransition = false; | |||
| 4090 | return NS_OK; | |||
| 4091 | } | |||
| 4092 | if (stage == eBeforeToggle) { | |||
| 4093 | PROFILER_MARKER_UNTYPED("Fullscreen transition start", DOM)do { ; do { if (profiler_is_collecting_markers()) { ::profiler_add_marker_impl ("Fullscreen transition start", ::geckoprofiler::category::DOM ); } } while (false); } while (false); | |||
| 4094 | ||||
| 4095 | mWindow->mIsInFullScreenTransition = true; | |||
| 4096 | ||||
| 4097 | nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService(); | |||
| 4098 | NS_ENSURE_TRUE(obs, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(obs)), 0))) { NS_DebugBreak(NS_DEBUG_WARNING , "NS_ENSURE_TRUE(" "obs" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4098); return NS_ERROR_FAILURE; } } while (false); | |||
| 4099 | obs->NotifyObservers(nullptr, "fullscreen-transition-start", nullptr); | |||
| 4100 | ||||
| 4101 | mWidget->PerformFullscreenTransition(nsIWidget::eBeforeFullscreenToggle, | |||
| 4102 | mDuration.mFadeIn, mTransitionData, | |||
| 4103 | this); | |||
| 4104 | } else if (stage == eToggleFullscreen) { | |||
| 4105 | PROFILER_MARKER_UNTYPED("Fullscreen toggle start", DOM)do { ; do { if (profiler_is_collecting_markers()) { ::profiler_add_marker_impl ("Fullscreen toggle start", ::geckoprofiler::category::DOM); } } while (false); } while (false); | |||
| 4106 | mFullscreenChangeStartTime = TimeStamp::Now(); | |||
| 4107 | // Toggle the fullscreen state on the widget | |||
| 4108 | if (!mWindow->SetWidgetFullscreen(FullscreenReason::ForFullscreenAPI, | |||
| 4109 | mFullscreen, mWidget)) { | |||
| 4110 | // Fail to setup the widget, call FinishFullscreenChange to | |||
| 4111 | // complete fullscreen change directly. | |||
| 4112 | mWindow->FinishFullscreenChange(mFullscreen); | |||
| 4113 | } | |||
| 4114 | // Set observer for the next content paint. | |||
| 4115 | nsCOMPtr<nsIObserver> observer = new Observer(this); | |||
| 4116 | nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService(); | |||
| 4117 | obs->AddObserver(observer, kPaintedTopic, false); | |||
| 4118 | // There are several edge cases where we may never get the paint | |||
| 4119 | // notification, including: | |||
| 4120 | // 1. the window/tab is closed before the next paint; | |||
| 4121 | // 2. the user has switched to another tab before we get here. | |||
| 4122 | // Completely fixing those cases seems to be tricky, and since they | |||
| 4123 | // should rarely happen, it probably isn't worth to fix. Hence we | |||
| 4124 | // simply add a timeout here to ensure we never hang forever. | |||
| 4125 | // In addition, if the page is complicated or the machine is less | |||
| 4126 | // powerful, layout could take a long time, in which case, staying | |||
| 4127 | // in black screen for that long could hurt user experience even | |||
| 4128 | // more than exposing an intermediate state. | |||
| 4129 | uint32_t timeout = | |||
| 4130 | Preferences::GetUint("full-screen-api.transition.timeout", 1000); | |||
| 4131 | NS_NewTimerWithObserver(getter_AddRefs(mTimer), observer, timeout, | |||
| 4132 | nsITimer::TYPE_ONE_SHOT); | |||
| 4133 | } else if (stage == eAfterToggle) { | |||
| 4134 | Telemetry::AccumulateTimeDelta(Telemetry::FULLSCREEN_TRANSITION_BLACK_MS, | |||
| 4135 | mFullscreenChangeStartTime); | |||
| 4136 | mWidget->PerformFullscreenTransition(nsIWidget::eAfterFullscreenToggle, | |||
| 4137 | mDuration.mFadeOut, mTransitionData, | |||
| 4138 | this); | |||
| 4139 | } else if (stage == eEnd) { | |||
| 4140 | PROFILER_MARKER_UNTYPED("Fullscreen transition end", DOM)do { ; do { if (profiler_is_collecting_markers()) { ::profiler_add_marker_impl ("Fullscreen transition end", ::geckoprofiler::category::DOM) ; } } while (false); } while (false); | |||
| 4141 | ||||
| 4142 | mWindow->mIsInFullScreenTransition = false; | |||
| 4143 | ||||
| 4144 | nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService(); | |||
| 4145 | NS_ENSURE_TRUE(obs, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(obs)), 0))) { NS_DebugBreak(NS_DEBUG_WARNING , "NS_ENSURE_TRUE(" "obs" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4145); return NS_ERROR_FAILURE; } } while (false); | |||
| 4146 | obs->NotifyObservers(nullptr, "fullscreen-transition-end", nullptr); | |||
| 4147 | ||||
| 4148 | mWidget->CleanupFullscreenTransition(); | |||
| 4149 | } | |||
| 4150 | return NS_OK; | |||
| 4151 | } | |||
| 4152 | ||||
| 4153 | NS_IMPL_ISUPPORTS(FullscreenTransitionTask::Observer, nsIObserver, nsINamed)MozExternalRefCountType FullscreenTransitionTask::Observer::AddRef (void) { static_assert(!std::is_destructible_v<FullscreenTransitionTask ::Observer>, "Reference-counted class " "FullscreenTransitionTask::Observer" " should not have a public destructor. " "Make this class's destructor non-public" ); do { static_assert( mozilla::detail::AssertionConditionType <decltype(int32_t(mRefCnt) >= 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(int32_t(mRefCnt) >= 0))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("int32_t(mRefCnt) >= 0" " (" "illegal refcnt" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4153); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { *((volatile int*)__null) = 4153; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("FullscreenTransitionTask::Observer" != nullptr) >::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!("FullscreenTransitionTask::Observer" != nullptr))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("\"FullscreenTransitionTask::Observer\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4153); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"FullscreenTransitionTask::Observer\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 4153; __attribute__((nomerge)) ::abort(); } while (false) ; } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("FullscreenTransitionTask::Observer" " not thread-safe" ); nsrefcnt count = ++mRefCnt; NS_LogAddRef((this), (count), ( "FullscreenTransitionTask::Observer"), (uint32_t)(sizeof(*this ))); return count; } MozExternalRefCountType FullscreenTransitionTask ::Observer::Release(void) { do { static_assert( mozilla::detail ::AssertionConditionType<decltype(int32_t(mRefCnt) > 0) >::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(int32_t(mRefCnt) > 0))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("int32_t(mRefCnt) > 0" " (" "dup release" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4153); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { *((volatile int*)__null) = 4153 ; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("FullscreenTransitionTask::Observer" != nullptr) >::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!("FullscreenTransitionTask::Observer" != nullptr))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("\"FullscreenTransitionTask::Observer\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4153); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"FullscreenTransitionTask::Observer\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 4153; __attribute__((nomerge)) ::abort(); } while (false) ; } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("FullscreenTransitionTask::Observer" " not thread-safe" ); const char* const nametmp = "FullscreenTransitionTask::Observer" ; nsrefcnt count = --mRefCnt; NS_LogRelease((this), (count), ( nametmp)); if (count == 0) { mRefCnt = 1; delete (this); return 0; } return count; } nsresult FullscreenTransitionTask::Observer ::QueryInterface(const nsIID& aIID, void** aInstancePtr) { do { if (!(aInstancePtr)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "QueryInterface requires a non-NULL destination!", "aInstancePtr" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4153); MOZ_PretendNoReturn(); } } while (0); nsresult rv = NS_ERROR_FAILURE ; static_assert(2 > 0, "Need more arguments to NS_INTERFACE_TABLE" ); static const QITableEntry table[] = { {&mozilla::detail ::kImplementedIID<FullscreenTransitionTask::Observer, nsIObserver >, int32_t( reinterpret_cast<char*>(static_cast<nsIObserver *>((FullscreenTransitionTask::Observer*)0x1000)) - reinterpret_cast <char*>((FullscreenTransitionTask::Observer*)0x1000))}, {&mozilla::detail::kImplementedIID<FullscreenTransitionTask ::Observer, nsINamed>, int32_t( reinterpret_cast<char*> (static_cast<nsINamed*>((FullscreenTransitionTask::Observer *)0x1000)) - reinterpret_cast<char*>((FullscreenTransitionTask ::Observer*)0x1000))}, {&mozilla::detail::kImplementedIID <FullscreenTransitionTask::Observer, nsISupports>, int32_t (reinterpret_cast<char*>(static_cast<nsISupports*> ( static_cast<nsIObserver*>((FullscreenTransitionTask:: Observer*)0x1000))) - reinterpret_cast<char*>((FullscreenTransitionTask ::Observer*)0x1000))}, { nullptr, 0 } } ; static_assert((sizeof (table) / sizeof(table[0])) > 1, "need at least 1 interface" ); rv = NS_TableDrivenQI(static_cast<void*>(this), aIID , aInstancePtr, table); return rv; } | |||
| 4154 | ||||
| 4155 | NS_IMETHODIMPnsresult | |||
| 4156 | FullscreenTransitionTask::Observer::Observe(nsISupports* aSubject, | |||
| 4157 | const char* aTopic, | |||
| 4158 | const char16_t* aData) { | |||
| 4159 | bool shouldContinue = false; | |||
| 4160 | if (strcmp(aTopic, FullscreenTransitionTask::kPaintedTopic) == 0) { | |||
| 4161 | nsCOMPtr<nsPIDOMWindowInner> win(do_QueryInterface(aSubject)); | |||
| 4162 | nsCOMPtr<nsIWidget> widget = | |||
| 4163 | win ? nsGlobalWindowInner::Cast(win)->GetMainWidget() : nullptr; | |||
| 4164 | if (widget == mTask->mWidget) { | |||
| 4165 | // The paint notification arrives first. Cancel the timer. | |||
| 4166 | mTask->mTimer->Cancel(); | |||
| 4167 | shouldContinue = true; | |||
| 4168 | PROFILER_MARKER_UNTYPED("Fullscreen toggle end", DOM)do { ; do { if (profiler_is_collecting_markers()) { ::profiler_add_marker_impl ("Fullscreen toggle end", ::geckoprofiler::category::DOM); } } while (false); } while (false); | |||
| 4169 | } | |||
| 4170 | } else { | |||
| 4171 | #ifdef DEBUG1 | |||
| 4172 | MOZ_ASSERT(strcmp(aTopic, NS_TIMER_CALLBACK_TOPIC) == 0,do { static_assert( mozilla::detail::AssertionConditionType< decltype(strcmp(aTopic, "timer-callback") == 0)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(! !(strcmp(aTopic, "timer-callback") == 0))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("strcmp(aTopic, \"timer-callback\") == 0" " (" "Should only get fullscreen-painted or timer-callback" ")" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4173); AnnotateMozCrashReason("MOZ_ASSERT" "(" "strcmp(aTopic, \"timer-callback\") == 0" ") (" "Should only get fullscreen-painted or timer-callback" ")"); do { *((volatile int*)__null) = 4173; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 4173 | "Should only get fullscreen-painted or timer-callback")do { static_assert( mozilla::detail::AssertionConditionType< decltype(strcmp(aTopic, "timer-callback") == 0)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(! !(strcmp(aTopic, "timer-callback") == 0))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("strcmp(aTopic, \"timer-callback\") == 0" " (" "Should only get fullscreen-painted or timer-callback" ")" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4173); AnnotateMozCrashReason("MOZ_ASSERT" "(" "strcmp(aTopic, \"timer-callback\") == 0" ") (" "Should only get fullscreen-painted or timer-callback" ")"); do { *((volatile int*)__null) = 4173; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 4174 | nsCOMPtr<nsITimer> timer(do_QueryInterface(aSubject)); | |||
| 4175 | MOZ_ASSERT(timer && timer == mTask->mTimer,do { static_assert( mozilla::detail::AssertionConditionType< decltype(timer && timer == mTask->mTimer)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(timer && timer == mTask->mTimer))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("timer && timer == mTask->mTimer" " (" "Should only trigger this with the timer the task created" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4176); AnnotateMozCrashReason("MOZ_ASSERT" "(" "timer && timer == mTask->mTimer" ") (" "Should only trigger this with the timer the task created" ")"); do { *((volatile int*)__null) = 4176; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 4176 | "Should only trigger this with the timer the task created")do { static_assert( mozilla::detail::AssertionConditionType< decltype(timer && timer == mTask->mTimer)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(timer && timer == mTask->mTimer))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("timer && timer == mTask->mTimer" " (" "Should only trigger this with the timer the task created" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4176); AnnotateMozCrashReason("MOZ_ASSERT" "(" "timer && timer == mTask->mTimer" ") (" "Should only trigger this with the timer the task created" ")"); do { *((volatile int*)__null) = 4176; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 4177 | #endif | |||
| 4178 | shouldContinue = true; | |||
| 4179 | PROFILER_MARKER_UNTYPED("Fullscreen toggle timeout", DOM)do { ; do { if (profiler_is_collecting_markers()) { ::profiler_add_marker_impl ("Fullscreen toggle timeout", ::geckoprofiler::category::DOM) ; } } while (false); } while (false); | |||
| 4180 | } | |||
| 4181 | if (shouldContinue) { | |||
| 4182 | nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService(); | |||
| 4183 | obs->RemoveObserver(this, kPaintedTopic); | |||
| 4184 | mTask->mTimer = nullptr; | |||
| 4185 | mTask->Run(); | |||
| 4186 | } | |||
| 4187 | return NS_OK; | |||
| 4188 | } | |||
| 4189 | ||||
| 4190 | NS_IMETHODIMPnsresult | |||
| 4191 | FullscreenTransitionTask::Observer::GetName(nsACString& aName) { | |||
| 4192 | aName.AssignLiteral("FullscreenTransitionTask"); | |||
| 4193 | return NS_OK; | |||
| 4194 | } | |||
| 4195 | ||||
| 4196 | static bool MakeWidgetFullscreen(nsGlobalWindowOuter* aWindow, | |||
| 4197 | FullscreenReason aReason, bool aFullscreen) { | |||
| 4198 | nsCOMPtr<nsIWidget> widget = aWindow->GetMainWidget(); | |||
| 4199 | if (!widget) { | |||
| 4200 | return false; | |||
| 4201 | } | |||
| 4202 | ||||
| 4203 | FullscreenTransitionDuration duration; | |||
| 4204 | bool performTransition = false; | |||
| 4205 | nsCOMPtr<nsISupports> transitionData; | |||
| 4206 | if (aReason == FullscreenReason::ForFullscreenAPI) { | |||
| 4207 | GetFullscreenTransitionDuration(aFullscreen, &duration); | |||
| 4208 | if (!duration.IsSuppressed()) { | |||
| 4209 | performTransition = widget->PrepareForFullscreenTransition( | |||
| 4210 | getter_AddRefs(transitionData)); | |||
| 4211 | } | |||
| 4212 | } | |||
| 4213 | ||||
| 4214 | if (!performTransition) { | |||
| 4215 | return aWindow->SetWidgetFullscreen(aReason, aFullscreen, widget); | |||
| 4216 | } | |||
| 4217 | ||||
| 4218 | nsCOMPtr<nsIRunnable> task = new FullscreenTransitionTask( | |||
| 4219 | duration, aWindow, aFullscreen, widget, transitionData); | |||
| 4220 | task->Run(); | |||
| 4221 | return true; | |||
| 4222 | } | |||
| 4223 | ||||
| 4224 | nsresult nsGlobalWindowOuter::ProcessWidgetFullscreenRequest( | |||
| 4225 | FullscreenReason aReason, bool aFullscreen) { | |||
| 4226 | mInProcessFullscreenRequest.emplace(aReason, aFullscreen); | |||
| 4227 | ||||
| 4228 | // Prevent chrome documents which are still loading from resizing | |||
| 4229 | // the window after we set fullscreen mode. | |||
| 4230 | nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow(); | |||
| 4231 | nsCOMPtr<nsIAppWindow> appWin(do_GetInterface(treeOwnerAsWin)); | |||
| 4232 | if (aFullscreen && appWin) { | |||
| 4233 | appWin->SetIntrinsicallySized(false); | |||
| 4234 | } | |||
| 4235 | ||||
| 4236 | // Sometimes we don't want the top-level widget to actually go fullscreen: | |||
| 4237 | // - in the B2G desktop client, we don't want the emulated screen dimensions | |||
| 4238 | // to appear to increase when entering fullscreen mode; we just want the | |||
| 4239 | // content to fill the entire client area of the emulator window. | |||
| 4240 | // - in FxR Desktop, we don't want fullscreen to take over the monitor, but | |||
| 4241 | // instead we want fullscreen to fill the FxR window in the the headset. | |||
| 4242 | if (!StaticPrefs::full_screen_api_ignore_widgets() && | |||
| 4243 | !mForceFullScreenInWidget) { | |||
| 4244 | if (MakeWidgetFullscreen(this, aReason, aFullscreen)) { | |||
| 4245 | // The rest of code for switching fullscreen is in nsGlobalWindowOuter:: | |||
| 4246 | // FinishFullscreenChange() which will be called after sizemodechange | |||
| 4247 | // event is dispatched. | |||
| 4248 | return NS_OK; | |||
| 4249 | } | |||
| 4250 | } | |||
| 4251 | ||||
| 4252 | #if defined(NIGHTLY_BUILD1) && defined(XP_WIN) | |||
| 4253 | if (FxRWindowManager::GetInstance()->IsFxRWindow(mWindowID)) { | |||
| 4254 | mozilla::gfx::VRShMem shmem(nullptr, true /*aRequiresMutex*/); | |||
| 4255 | shmem.SendFullscreenState(mWindowID, aFullscreen); | |||
| 4256 | } | |||
| 4257 | #endif // NIGHTLY_BUILD && XP_WIN | |||
| 4258 | FinishFullscreenChange(aFullscreen); | |||
| 4259 | return NS_OK; | |||
| 4260 | } | |||
| 4261 | ||||
| 4262 | nsresult nsGlobalWindowOuter::SetFullscreenInternal(FullscreenReason aReason, | |||
| 4263 | bool aFullscreen) { | |||
| 4264 | MOZ_ASSERT(nsContentUtils::IsSafeToRunScript(),do { static_assert( mozilla::detail::AssertionConditionType< decltype(nsContentUtils::IsSafeToRunScript())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(nsContentUtils::IsSafeToRunScript ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("nsContentUtils::IsSafeToRunScript()" " (" "Requires safe to run script as it " "may call FinishDOMFullscreenChange" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4266); AnnotateMozCrashReason("MOZ_ASSERT" "(" "nsContentUtils::IsSafeToRunScript()" ") (" "Requires safe to run script as it " "may call FinishDOMFullscreenChange" ")"); do { *((volatile int*)__null) = 4266; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 4265 | "Requires safe to run script as it "do { static_assert( mozilla::detail::AssertionConditionType< decltype(nsContentUtils::IsSafeToRunScript())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(nsContentUtils::IsSafeToRunScript ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("nsContentUtils::IsSafeToRunScript()" " (" "Requires safe to run script as it " "may call FinishDOMFullscreenChange" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4266); AnnotateMozCrashReason("MOZ_ASSERT" "(" "nsContentUtils::IsSafeToRunScript()" ") (" "Requires safe to run script as it " "may call FinishDOMFullscreenChange" ")"); do { *((volatile int*)__null) = 4266; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 4266 | "may call FinishDOMFullscreenChange")do { static_assert( mozilla::detail::AssertionConditionType< decltype(nsContentUtils::IsSafeToRunScript())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(nsContentUtils::IsSafeToRunScript ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("nsContentUtils::IsSafeToRunScript()" " (" "Requires safe to run script as it " "may call FinishDOMFullscreenChange" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4266); AnnotateMozCrashReason("MOZ_ASSERT" "(" "nsContentUtils::IsSafeToRunScript()" ") (" "Requires safe to run script as it " "may call FinishDOMFullscreenChange" ")"); do { *((volatile int*)__null) = 4266; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 4267 | ||||
| 4268 | NS_ENSURE_TRUE(mDocShell, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(mDocShell)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mDocShell" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4268); return NS_ERROR_FAILURE; } } while (false); | |||
| 4269 | ||||
| 4270 | MOZ_ASSERT(do { static_assert( mozilla::detail::AssertionConditionType< decltype(aReason != FullscreenReason::ForForceExitFullscreen || !aFullscreen)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(aReason != FullscreenReason::ForForceExitFullscreen || !aFullscreen))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("aReason != FullscreenReason::ForForceExitFullscreen || !aFullscreen" " (" "FullscreenReason::ForForceExitFullscreen can " "only be used with exiting fullscreen" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4273); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aReason != FullscreenReason::ForForceExitFullscreen || !aFullscreen" ") (" "FullscreenReason::ForForceExitFullscreen can " "only be used with exiting fullscreen" ")"); do { *((volatile int*)__null) = 4273; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 4271 | aReason != FullscreenReason::ForForceExitFullscreen || !aFullscreen,do { static_assert( mozilla::detail::AssertionConditionType< decltype(aReason != FullscreenReason::ForForceExitFullscreen || !aFullscreen)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(aReason != FullscreenReason::ForForceExitFullscreen || !aFullscreen))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("aReason != FullscreenReason::ForForceExitFullscreen || !aFullscreen" " (" "FullscreenReason::ForForceExitFullscreen can " "only be used with exiting fullscreen" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4273); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aReason != FullscreenReason::ForForceExitFullscreen || !aFullscreen" ") (" "FullscreenReason::ForForceExitFullscreen can " "only be used with exiting fullscreen" ")"); do { *((volatile int*)__null) = 4273; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 4272 | "FullscreenReason::ForForceExitFullscreen can "do { static_assert( mozilla::detail::AssertionConditionType< decltype(aReason != FullscreenReason::ForForceExitFullscreen || !aFullscreen)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(aReason != FullscreenReason::ForForceExitFullscreen || !aFullscreen))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("aReason != FullscreenReason::ForForceExitFullscreen || !aFullscreen" " (" "FullscreenReason::ForForceExitFullscreen can " "only be used with exiting fullscreen" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4273); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aReason != FullscreenReason::ForForceExitFullscreen || !aFullscreen" ") (" "FullscreenReason::ForForceExitFullscreen can " "only be used with exiting fullscreen" ")"); do { *((volatile int*)__null) = 4273; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 4273 | "only be used with exiting fullscreen")do { static_assert( mozilla::detail::AssertionConditionType< decltype(aReason != FullscreenReason::ForForceExitFullscreen || !aFullscreen)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(aReason != FullscreenReason::ForForceExitFullscreen || !aFullscreen))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("aReason != FullscreenReason::ForForceExitFullscreen || !aFullscreen" " (" "FullscreenReason::ForForceExitFullscreen can " "only be used with exiting fullscreen" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4273); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aReason != FullscreenReason::ForForceExitFullscreen || !aFullscreen" ") (" "FullscreenReason::ForForceExitFullscreen can " "only be used with exiting fullscreen" ")"); do { *((volatile int*)__null) = 4273; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 4274 | ||||
| 4275 | // Only chrome can change our fullscreen mode. Otherwise, the state | |||
| 4276 | // can only be changed for DOM fullscreen. | |||
| 4277 | if (aReason == FullscreenReason::ForFullscreenMode && | |||
| 4278 | !nsContentUtils::LegacyIsCallerChromeOrNativeCode()) { | |||
| 4279 | return NS_OK; | |||
| 4280 | } | |||
| 4281 | ||||
| 4282 | // SetFullscreen needs to be called on the root window, so get that | |||
| 4283 | // via the DocShell tree, and if we are not already the root, | |||
| 4284 | // call SetFullscreen on that window instead. | |||
| 4285 | nsCOMPtr<nsIDocShellTreeItem> rootItem; | |||
| 4286 | mDocShell->GetInProcessRootTreeItem(getter_AddRefs(rootItem)); | |||
| 4287 | nsCOMPtr<nsPIDOMWindowOuter> window = | |||
| 4288 | rootItem ? rootItem->GetWindow() : nullptr; | |||
| 4289 | if (!window) return NS_ERROR_FAILURE; | |||
| 4290 | if (rootItem != mDocShell) | |||
| 4291 | return window->SetFullscreenInternal(aReason, aFullscreen); | |||
| 4292 | ||||
| 4293 | // make sure we don't try to set full screen on a non-chrome window, | |||
| 4294 | // which might happen in embedding world | |||
| 4295 | if (mDocShell->ItemType() != nsIDocShellTreeItem::typeChrome) | |||
| 4296 | return NS_ERROR_FAILURE; | |||
| 4297 | ||||
| 4298 | // FullscreenReason::ForForceExitFullscreen can only be used with exiting | |||
| 4299 | // fullscreen | |||
| 4300 | MOZ_ASSERT_IF(do { if (mFullscreen.isSome()) { do { static_assert( mozilla:: detail::AssertionConditionType<decltype(mFullscreen.value( ) != FullscreenReason::ForForceExitFullscreen)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mFullscreen.value() != FullscreenReason ::ForForceExitFullscreen))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("mFullscreen.value() != FullscreenReason::ForForceExitFullscreen" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4302); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mFullscreen.value() != FullscreenReason::ForForceExitFullscreen" ")"); do { *((volatile int*)__null) = 4302; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); } } while ( false) | |||
| 4301 | mFullscreen.isSome(),do { if (mFullscreen.isSome()) { do { static_assert( mozilla:: detail::AssertionConditionType<decltype(mFullscreen.value( ) != FullscreenReason::ForForceExitFullscreen)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mFullscreen.value() != FullscreenReason ::ForForceExitFullscreen))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("mFullscreen.value() != FullscreenReason::ForForceExitFullscreen" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4302); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mFullscreen.value() != FullscreenReason::ForForceExitFullscreen" ")"); do { *((volatile int*)__null) = 4302; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); } } while ( false) | |||
| 4302 | mFullscreen.value() != FullscreenReason::ForForceExitFullscreen)do { if (mFullscreen.isSome()) { do { static_assert( mozilla:: detail::AssertionConditionType<decltype(mFullscreen.value( ) != FullscreenReason::ForForceExitFullscreen)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mFullscreen.value() != FullscreenReason ::ForForceExitFullscreen))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("mFullscreen.value() != FullscreenReason::ForForceExitFullscreen" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4302); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mFullscreen.value() != FullscreenReason::ForForceExitFullscreen" ")"); do { *((volatile int*)__null) = 4302; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); } } while ( false); | |||
| 4303 | ||||
| 4304 | // If we are already in full screen mode, just return, we don't care about the | |||
| 4305 | // reason here, because, | |||
| 4306 | // - If we are in fullscreen mode due to browser fullscreen mode, requesting | |||
| 4307 | // DOM fullscreen does not change anything. | |||
| 4308 | // - If we are in fullscreen mode due to DOM fullscreen, requesting browser | |||
| 4309 | // fullscreen should not change anything, either. Note that we should not | |||
| 4310 | // update reason to ForFullscreenMode, otherwise the subsequent DOM | |||
| 4311 | // fullscreen exit will be ignored and user will be confused. And ideally | |||
| 4312 | // this should never happen as `window.fullscreen` returns `true` for DOM | |||
| 4313 | // fullscreen as well. | |||
| 4314 | if (mFullscreen.isSome() == aFullscreen) { | |||
| 4315 | // How come we get browser fullscreen request while we are already in DOM | |||
| 4316 | // fullscreen? | |||
| 4317 | MOZ_ASSERT_IF(aFullscreen && aReason == FullscreenReason::ForFullscreenMode,do { if (aFullscreen && aReason == FullscreenReason:: ForFullscreenMode) { do { static_assert( mozilla::detail::AssertionConditionType <decltype(mFullscreen.value() != FullscreenReason::ForFullscreenAPI )>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(mFullscreen.value() != FullscreenReason::ForFullscreenAPI ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "mFullscreen.value() != FullscreenReason::ForFullscreenAPI", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4318); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mFullscreen.value() != FullscreenReason::ForFullscreenAPI" ")"); do { *((volatile int*)__null) = 4318; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); } } while ( false) | |||
| 4318 | mFullscreen.value() != FullscreenReason::ForFullscreenAPI)do { if (aFullscreen && aReason == FullscreenReason:: ForFullscreenMode) { do { static_assert( mozilla::detail::AssertionConditionType <decltype(mFullscreen.value() != FullscreenReason::ForFullscreenAPI )>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(mFullscreen.value() != FullscreenReason::ForFullscreenAPI ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "mFullscreen.value() != FullscreenReason::ForFullscreenAPI", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4318); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mFullscreen.value() != FullscreenReason::ForFullscreenAPI" ")"); do { *((volatile int*)__null) = 4318; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); } } while ( false); | |||
| 4319 | return NS_OK; | |||
| 4320 | } | |||
| 4321 | ||||
| 4322 | // Note that although entering DOM fullscreen could also cause | |||
| 4323 | // consequential calls to this method, those calls will be skipped | |||
| 4324 | // at the condition above. | |||
| 4325 | if (aReason == FullscreenReason::ForFullscreenMode) { | |||
| 4326 | if (!aFullscreen && mFullscreen && | |||
| 4327 | mFullscreen.value() == FullscreenReason::ForFullscreenAPI) { | |||
| 4328 | // If we are exiting fullscreen mode, but we actually didn't | |||
| 4329 | // entered browser fullscreen mode, the fullscreen state was only for | |||
| 4330 | // the Fullscreen API. Change the reason here so that we can | |||
| 4331 | // perform transition for it. | |||
| 4332 | aReason = FullscreenReason::ForFullscreenAPI; | |||
| 4333 | } | |||
| 4334 | } else { | |||
| 4335 | // If we are exiting from DOM fullscreen while we initially make | |||
| 4336 | // the window fullscreen because of browser fullscreen mode, don't restore | |||
| 4337 | // the window. But we still need to exit the DOM fullscreen state. | |||
| 4338 | if (!aFullscreen && mFullscreen && | |||
| 4339 | mFullscreen.value() == FullscreenReason::ForFullscreenMode) { | |||
| 4340 | // If there is a in-process fullscreen request, FinishDOMFullscreenChange | |||
| 4341 | // will be called when the request is finished. | |||
| 4342 | if (!mInProcessFullscreenRequest.isSome()) { | |||
| 4343 | FinishDOMFullscreenChange(mDoc, false); | |||
| 4344 | } | |||
| 4345 | return NS_OK; | |||
| 4346 | } | |||
| 4347 | } | |||
| 4348 | ||||
| 4349 | // Set this before so if widget sends an event indicating its | |||
| 4350 | // gone full screen, the state trap above works. | |||
| 4351 | if (aFullscreen) { | |||
| 4352 | mFullscreen.emplace(aReason); | |||
| 4353 | } else { | |||
| 4354 | mFullscreen.reset(); | |||
| 4355 | } | |||
| 4356 | ||||
| 4357 | // If we are in process of fullscreen request, only keep the latest fullscreen | |||
| 4358 | // state, we will sync up later while the processing request is finished. | |||
| 4359 | if (mInProcessFullscreenRequest.isSome()) { | |||
| 4360 | mFullscreenHasChangedDuringProcessing = true; | |||
| 4361 | return NS_OK; | |||
| 4362 | } | |||
| 4363 | ||||
| 4364 | return ProcessWidgetFullscreenRequest(aReason, aFullscreen); | |||
| 4365 | } | |||
| 4366 | ||||
| 4367 | // Support a per-window, dynamic equivalent of enabling | |||
| 4368 | // full-screen-api.ignore-widgets | |||
| 4369 | void nsGlobalWindowOuter::ForceFullScreenInWidget() { | |||
| 4370 | MOZ_DIAGNOSTIC_ASSERT(XRE_IsParentProcess())do { static_assert( mozilla::detail::AssertionConditionType< decltype(XRE_IsParentProcess())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(XRE_IsParentProcess()))), 0) )) { do { } while (false); MOZ_ReportAssertionFailure("XRE_IsParentProcess()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4370); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "XRE_IsParentProcess()" ")"); do { *((volatile int*)__null) = 4370; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 4371 | ||||
| 4372 | mForceFullScreenInWidget = true; | |||
| 4373 | } | |||
| 4374 | ||||
| 4375 | bool nsGlobalWindowOuter::SetWidgetFullscreen(FullscreenReason aReason, | |||
| 4376 | bool aIsFullscreen, | |||
| 4377 | nsIWidget* aWidget) { | |||
| 4378 | MOZ_ASSERT(this == GetInProcessTopInternal(),do { static_assert( mozilla::detail::AssertionConditionType< decltype(this == GetInProcessTopInternal())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(this == GetInProcessTopInternal ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("this == GetInProcessTopInternal()" " (" "Only topmost window should call this" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4379); AnnotateMozCrashReason("MOZ_ASSERT" "(" "this == GetInProcessTopInternal()" ") (" "Only topmost window should call this" ")"); do { *((volatile int*)__null) = 4379; __attribute__((nomerge)) ::abort(); } while (false); } } while (false) | |||
| 4379 | "Only topmost window should call this")do { static_assert( mozilla::detail::AssertionConditionType< decltype(this == GetInProcessTopInternal())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(this == GetInProcessTopInternal ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("this == GetInProcessTopInternal()" " (" "Only topmost window should call this" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4379); AnnotateMozCrashReason("MOZ_ASSERT" "(" "this == GetInProcessTopInternal()" ") (" "Only topmost window should call this" ")"); do { *((volatile int*)__null) = 4379; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); | |||
| 4380 | MOZ_ASSERT(!GetFrameElementInternal(), "Content window should not call this")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!GetFrameElementInternal())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!GetFrameElementInternal())) ), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!GetFrameElementInternal()" " (" "Content window should not call this" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4380); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!GetFrameElementInternal()" ") (" "Content window should not call this" ")"); do { *((volatile int*)__null) = 4380; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); | |||
| 4381 | MOZ_ASSERT(XRE_GetProcessType() == GeckoProcessType_Default)do { static_assert( mozilla::detail::AssertionConditionType< decltype(XRE_GetProcessType() == GeckoProcessType_Default)> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(XRE_GetProcessType() == GeckoProcessType_Default))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("XRE_GetProcessType() == GeckoProcessType_Default" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4381); AnnotateMozCrashReason("MOZ_ASSERT" "(" "XRE_GetProcessType() == GeckoProcessType_Default" ")"); do { *((volatile int*)__null) = 4381; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 4382 | ||||
| 4383 | if (!NS_WARN_IF(!IsChromeWindow())NS_warn_if_impl(!IsChromeWindow(), "!IsChromeWindow()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4383)) { | |||
| 4384 | if (!NS_WARN_IF(mChromeFields.mFullscreenPresShell)NS_warn_if_impl(mChromeFields.mFullscreenPresShell, "mChromeFields.mFullscreenPresShell" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4384)) { | |||
| 4385 | if (PresShell* presShell = mDocShell->GetPresShell()) { | |||
| 4386 | if (nsRefreshDriver* rd = presShell->GetRefreshDriver()) { | |||
| 4387 | mChromeFields.mFullscreenPresShell = do_GetWeakReference(presShell); | |||
| 4388 | MOZ_ASSERT(mChromeFields.mFullscreenPresShell)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mChromeFields.mFullscreenPresShell)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mChromeFields.mFullscreenPresShell ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "mChromeFields.mFullscreenPresShell", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4388); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mChromeFields.mFullscreenPresShell" ")"); do { *((volatile int*)__null) = 4388; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 4389 | rd->SetIsResizeSuppressed(); | |||
| 4390 | rd->Freeze(); | |||
| 4391 | } | |||
| 4392 | } | |||
| 4393 | } | |||
| 4394 | } | |||
| 4395 | nsresult rv = aReason == FullscreenReason::ForFullscreenMode | |||
| 4396 | ? | |||
| 4397 | // If we enter fullscreen for fullscreen mode, we want | |||
| 4398 | // the native system behavior. | |||
| 4399 | aWidget->MakeFullScreenWithNativeTransition(aIsFullscreen) | |||
| 4400 | : aWidget->MakeFullScreen(aIsFullscreen); | |||
| 4401 | return NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1))); | |||
| 4402 | } | |||
| 4403 | ||||
| 4404 | /* virtual */ | |||
| 4405 | void nsGlobalWindowOuter::FullscreenWillChange(bool aIsFullscreen) { | |||
| 4406 | if (!mInProcessFullscreenRequest.isSome()) { | |||
| 4407 | // If there is no in-process fullscreen request, the fullscreen state change | |||
| 4408 | // is triggered from the OS directly, e.g. user use built-in window button | |||
| 4409 | // to enter/exit fullscreen on macOS. | |||
| 4410 | mInProcessFullscreenRequest.emplace(FullscreenReason::ForFullscreenMode, | |||
| 4411 | aIsFullscreen); | |||
| 4412 | if (mFullscreen.isSome() != aIsFullscreen) { | |||
| 4413 | if (aIsFullscreen) { | |||
| 4414 | mFullscreen.emplace(FullscreenReason::ForFullscreenMode); | |||
| 4415 | } else { | |||
| 4416 | mFullscreen.reset(); | |||
| 4417 | } | |||
| 4418 | } else { | |||
| 4419 | // It is possible that FullscreenWillChange is notified with current | |||
| 4420 | // fullscreen state, e.g. browser goes into fullscreen when widget | |||
| 4421 | // fullscreen is prevented, and then user triggers fullscreen from the OS | |||
| 4422 | // directly again. | |||
| 4423 | MOZ_ASSERT(StaticPrefs::full_screen_api_ignore_widgets() ||do { static_assert( mozilla::detail::AssertionConditionType< decltype(StaticPrefs::full_screen_api_ignore_widgets() || mForceFullScreenInWidget )>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(StaticPrefs::full_screen_api_ignore_widgets() || mForceFullScreenInWidget ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "StaticPrefs::full_screen_api_ignore_widgets() || mForceFullScreenInWidget" " (" "This should only happen when widget fullscreen is prevented" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4425); AnnotateMozCrashReason("MOZ_ASSERT" "(" "StaticPrefs::full_screen_api_ignore_widgets() || mForceFullScreenInWidget" ") (" "This should only happen when widget fullscreen is prevented" ")"); do { *((volatile int*)__null) = 4425; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 4424 | mForceFullScreenInWidget,do { static_assert( mozilla::detail::AssertionConditionType< decltype(StaticPrefs::full_screen_api_ignore_widgets() || mForceFullScreenInWidget )>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(StaticPrefs::full_screen_api_ignore_widgets() || mForceFullScreenInWidget ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "StaticPrefs::full_screen_api_ignore_widgets() || mForceFullScreenInWidget" " (" "This should only happen when widget fullscreen is prevented" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4425); AnnotateMozCrashReason("MOZ_ASSERT" "(" "StaticPrefs::full_screen_api_ignore_widgets() || mForceFullScreenInWidget" ") (" "This should only happen when widget fullscreen is prevented" ")"); do { *((volatile int*)__null) = 4425; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 4425 | "This should only happen when widget fullscreen is prevented")do { static_assert( mozilla::detail::AssertionConditionType< decltype(StaticPrefs::full_screen_api_ignore_widgets() || mForceFullScreenInWidget )>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(StaticPrefs::full_screen_api_ignore_widgets() || mForceFullScreenInWidget ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "StaticPrefs::full_screen_api_ignore_widgets() || mForceFullScreenInWidget" " (" "This should only happen when widget fullscreen is prevented" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4425); AnnotateMozCrashReason("MOZ_ASSERT" "(" "StaticPrefs::full_screen_api_ignore_widgets() || mForceFullScreenInWidget" ") (" "This should only happen when widget fullscreen is prevented" ")"); do { *((volatile int*)__null) = 4425; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 4426 | } | |||
| 4427 | } | |||
| 4428 | if (aIsFullscreen) { | |||
| 4429 | DispatchCustomEvent(u"willenterfullscreen"_ns, ChromeOnlyDispatch::eYes); | |||
| 4430 | } else { | |||
| 4431 | DispatchCustomEvent(u"willexitfullscreen"_ns, ChromeOnlyDispatch::eYes); | |||
| 4432 | } | |||
| 4433 | } | |||
| 4434 | ||||
| 4435 | /* virtual */ | |||
| 4436 | void nsGlobalWindowOuter::FinishFullscreenChange(bool aIsFullscreen) { | |||
| 4437 | mozilla::Maybe<FullscreenRequest> currentInProcessRequest = | |||
| 4438 | std::move(mInProcessFullscreenRequest); | |||
| 4439 | if (!mFullscreenHasChangedDuringProcessing && | |||
| 4440 | aIsFullscreen != mFullscreen.isSome()) { | |||
| 4441 | NS_WARNING("Failed to toggle fullscreen state of the widget")NS_DebugBreak(NS_DEBUG_WARNING, "Failed to toggle fullscreen state of the widget" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4441); | |||
| 4442 | // We failed to make the widget enter fullscreen. | |||
| 4443 | // Stop further changes and restore the state. | |||
| 4444 | if (!aIsFullscreen) { | |||
| 4445 | mFullscreen.reset(); | |||
| 4446 | } else { | |||
| 4447 | #ifndef XP_MACOSX | |||
| 4448 | MOZ_ASSERT_UNREACHABLE("Failed to exit fullscreen?")do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "Failed to exit fullscreen?" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4448); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "Failed to exit fullscreen?" ")") ; do { *((volatile int*)__null) = 4448; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 4449 | #endif | |||
| 4450 | // Restore fullscreen state with FullscreenReason::ForFullscreenAPI reason | |||
| 4451 | // in order to make subsequent DOM fullscreen exit request can exit | |||
| 4452 | // browser fullscreen mode. | |||
| 4453 | mFullscreen.emplace(FullscreenReason::ForFullscreenAPI); | |||
| 4454 | } | |||
| 4455 | return; | |||
| 4456 | } | |||
| 4457 | ||||
| 4458 | // Note that we must call this to toggle the DOM fullscreen state | |||
| 4459 | // of the document before dispatching the "fullscreen" event, so | |||
| 4460 | // that the chrome can distinguish between browser fullscreen mode | |||
| 4461 | // and DOM fullscreen. | |||
| 4462 | FinishDOMFullscreenChange(mDoc, aIsFullscreen); | |||
| 4463 | ||||
| 4464 | // dispatch a "fullscreen" DOM event so that XUL apps can | |||
| 4465 | // respond visually if we are kicked into full screen mode | |||
| 4466 | DispatchCustomEvent(u"fullscreen"_ns, ChromeOnlyDispatch::eYes); | |||
| 4467 | ||||
| 4468 | if (!NS_WARN_IF(!IsChromeWindow())NS_warn_if_impl(!IsChromeWindow(), "!IsChromeWindow()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4468)) { | |||
| 4469 | if (RefPtr<PresShell> presShell = | |||
| 4470 | do_QueryReferent(mChromeFields.mFullscreenPresShell)) { | |||
| 4471 | if (nsRefreshDriver* rd = presShell->GetRefreshDriver()) { | |||
| 4472 | rd->Thaw(); | |||
| 4473 | } | |||
| 4474 | mChromeFields.mFullscreenPresShell = nullptr; | |||
| 4475 | } | |||
| 4476 | } | |||
| 4477 | ||||
| 4478 | // If fullscreen state has changed during processing fullscreen request, we | |||
| 4479 | // need to ensure widget matches our latest fullscreen state here. | |||
| 4480 | if (mFullscreenHasChangedDuringProcessing) { | |||
| 4481 | mFullscreenHasChangedDuringProcessing = false; | |||
| 4482 | // Widget doesn't care about the reason that makes it entering/exiting | |||
| 4483 | // fullscreen, so here we just need to ensure the fullscreen state is | |||
| 4484 | // matched. | |||
| 4485 | if (aIsFullscreen != mFullscreen.isSome()) { | |||
| 4486 | // If we end up need to exit fullscreen, use the same reason that brings | |||
| 4487 | // us into fullscreen mode, so that we will perform the same fullscreen | |||
| 4488 | // transistion effect for exiting. | |||
| 4489 | ProcessWidgetFullscreenRequest( | |||
| 4490 | mFullscreen.isSome() ? mFullscreen.value() | |||
| 4491 | : currentInProcessRequest.value().mReason, | |||
| 4492 | mFullscreen.isSome()); | |||
| 4493 | } | |||
| 4494 | } | |||
| 4495 | } | |||
| 4496 | ||||
| 4497 | /* virtual */ | |||
| 4498 | void nsGlobalWindowOuter::MacFullscreenMenubarOverlapChanged( | |||
| 4499 | mozilla::DesktopCoord aOverlapAmount) { | |||
| 4500 | ErrorResult res; | |||
| 4501 | RefPtr<Event> domEvent = | |||
| 4502 | mDoc->CreateEvent(u"CustomEvent"_ns, CallerType::System, res); | |||
| 4503 | if (res.Failed()) { | |||
| 4504 | return; | |||
| 4505 | } | |||
| 4506 | ||||
| 4507 | AutoJSAPI jsapi; | |||
| 4508 | jsapi.Init(); | |||
| 4509 | JSContext* cx = jsapi.cx(); | |||
| 4510 | JSAutoRealm ar(cx, GetWrapperPreserveColor()); | |||
| 4511 | ||||
| 4512 | JS::Rooted<JS::Value> detailValue(cx); | |||
| 4513 | if (!ToJSValue(cx, aOverlapAmount, &detailValue)) { | |||
| 4514 | return; | |||
| 4515 | } | |||
| 4516 | ||||
| 4517 | CustomEvent* customEvent = static_cast<CustomEvent*>(domEvent.get()); | |||
| 4518 | customEvent->InitCustomEvent(cx, u"MacFullscreenMenubarRevealUpdate"_ns, | |||
| 4519 | /* aCanBubble = */ true, | |||
| 4520 | /* aCancelable = */ true, detailValue); | |||
| 4521 | domEvent->SetTrusted(true); | |||
| 4522 | domEvent->WidgetEventPtr()->mFlags.mOnlyChromeDispatch = true; | |||
| 4523 | ||||
| 4524 | nsCOMPtr<EventTarget> target = this; | |||
| 4525 | domEvent->SetTarget(target); | |||
| 4526 | ||||
| 4527 | target->DispatchEvent(*domEvent, CallerType::System, IgnoreErrors()); | |||
| 4528 | } | |||
| 4529 | ||||
| 4530 | bool nsGlobalWindowOuter::Fullscreen() const { | |||
| 4531 | NS_ENSURE_TRUE(mDocShell, mFullscreen.isSome())do { if ((__builtin_expect(!!(!(mDocShell)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mDocShell" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4531); return mFullscreen.isSome(); } } while (false); | |||
| 4532 | ||||
| 4533 | // Get the fullscreen value of the root window, to always have the value | |||
| 4534 | // accurate, even when called from content. | |||
| 4535 | nsCOMPtr<nsIDocShellTreeItem> rootItem; | |||
| 4536 | mDocShell->GetInProcessRootTreeItem(getter_AddRefs(rootItem)); | |||
| 4537 | if (rootItem == mDocShell) { | |||
| 4538 | if (!XRE_IsContentProcess()) { | |||
| 4539 | // We are the root window. Return our internal value. | |||
| 4540 | return mFullscreen.isSome(); | |||
| 4541 | } | |||
| 4542 | if (nsCOMPtr<nsIWidget> widget = GetNearestWidget()) { | |||
| 4543 | // We are in content process, figure out the value from | |||
| 4544 | // the sizemode of the puppet widget. | |||
| 4545 | return widget->SizeMode() == nsSizeMode_Fullscreen; | |||
| 4546 | } | |||
| 4547 | return false; | |||
| 4548 | } | |||
| 4549 | ||||
| 4550 | nsCOMPtr<nsPIDOMWindowOuter> window = rootItem->GetWindow(); | |||
| 4551 | NS_ENSURE_TRUE(window, mFullscreen.isSome())do { if ((__builtin_expect(!!(!(window)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "window" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4551); return mFullscreen.isSome(); } } while (false); | |||
| 4552 | ||||
| 4553 | return nsGlobalWindowOuter::Cast(window)->Fullscreen(); | |||
| 4554 | } | |||
| 4555 | ||||
| 4556 | bool nsGlobalWindowOuter::GetFullscreenOuter() { return Fullscreen(); } | |||
| 4557 | ||||
| 4558 | bool nsGlobalWindowOuter::GetFullScreen() { | |||
| 4559 | FORWARD_TO_INNER(GetFullScreen, (), false)do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4559); return false; } return GetCurrentInnerWindowInternal (this)->GetFullScreen (); } while (0); | |||
| 4560 | } | |||
| 4561 | ||||
| 4562 | void nsGlobalWindowOuter::EnsureReflowFlushAndPaint() { | |||
| 4563 | NS_ASSERTION(mDocShell,do { if (!(mDocShell)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "EnsureReflowFlushAndPaint() called with no " "docshell!", "mDocShell", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4565); MOZ_PretendNoReturn(); } } while (0) | |||
| 4564 | "EnsureReflowFlushAndPaint() called with no "do { if (!(mDocShell)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "EnsureReflowFlushAndPaint() called with no " "docshell!", "mDocShell", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4565); MOZ_PretendNoReturn(); } } while (0) | |||
| 4565 | "docshell!")do { if (!(mDocShell)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "EnsureReflowFlushAndPaint() called with no " "docshell!", "mDocShell", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4565); MOZ_PretendNoReturn(); } } while (0); | |||
| 4566 | ||||
| 4567 | if (!mDocShell) return; | |||
| 4568 | ||||
| 4569 | RefPtr<PresShell> presShell = mDocShell->GetPresShell(); | |||
| 4570 | if (!presShell) { | |||
| 4571 | return; | |||
| 4572 | } | |||
| 4573 | ||||
| 4574 | // Flush pending reflows. | |||
| 4575 | if (mDoc) { | |||
| 4576 | mDoc->FlushPendingNotifications(FlushType::Layout); | |||
| 4577 | } | |||
| 4578 | ||||
| 4579 | // Unsuppress painting. | |||
| 4580 | presShell->UnsuppressPainting(); | |||
| 4581 | } | |||
| 4582 | ||||
| 4583 | // static | |||
| 4584 | void nsGlobalWindowOuter::MakeMessageWithPrincipal( | |||
| 4585 | nsAString& aOutMessage, nsIPrincipal* aSubjectPrincipal, bool aUseHostPort, | |||
| 4586 | const char* aNullMessage, const char* aContentMessage, | |||
| 4587 | const char* aFallbackMessage) { | |||
| 4588 | MOZ_ASSERT(aSubjectPrincipal)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aSubjectPrincipal)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aSubjectPrincipal))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aSubjectPrincipal" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4588); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aSubjectPrincipal" ")"); do { *((volatile int*)__null) = 4588; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 4589 | ||||
| 4590 | aOutMessage.Truncate(); | |||
| 4591 | ||||
| 4592 | // Try to get a host from the running principal -- this will do the | |||
| 4593 | // right thing for javascript: and data: documents. | |||
| 4594 | ||||
| 4595 | nsAutoCString contentDesc; | |||
| 4596 | ||||
| 4597 | if (aSubjectPrincipal->GetIsNullPrincipal()) { | |||
| 4598 | nsContentUtils::GetLocalizedString( | |||
| 4599 | nsContentUtils::eCOMMON_DIALOG_PROPERTIES, aNullMessage, aOutMessage); | |||
| 4600 | } else { | |||
| 4601 | auto* addonPolicy = BasePrincipal::Cast(aSubjectPrincipal)->AddonPolicy(); | |||
| 4602 | if (addonPolicy) { | |||
| 4603 | nsContentUtils::FormatLocalizedString( | |||
| 4604 | aOutMessage, nsContentUtils::eCOMMON_DIALOG_PROPERTIES, | |||
| 4605 | aContentMessage, addonPolicy->Name()); | |||
| 4606 | } else { | |||
| 4607 | nsresult rv = NS_ERROR_FAILURE; | |||
| 4608 | if (aUseHostPort) { | |||
| 4609 | nsCOMPtr<nsIURI> uri = aSubjectPrincipal->GetURI(); | |||
| 4610 | if (uri) { | |||
| 4611 | rv = uri->GetDisplayHostPort(contentDesc); | |||
| 4612 | } | |||
| 4613 | } | |||
| 4614 | if (!aUseHostPort || NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { | |||
| 4615 | rv = aSubjectPrincipal->GetExposablePrePath(contentDesc); | |||
| 4616 | } | |||
| 4617 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1))) && !contentDesc.IsEmpty()) { | |||
| 4618 | NS_ConvertUTF8toUTF16 ucsPrePath(contentDesc); | |||
| 4619 | nsContentUtils::FormatLocalizedString( | |||
| 4620 | aOutMessage, nsContentUtils::eCOMMON_DIALOG_PROPERTIES, | |||
| 4621 | aContentMessage, ucsPrePath); | |||
| 4622 | } | |||
| 4623 | } | |||
| 4624 | } | |||
| 4625 | ||||
| 4626 | if (aOutMessage.IsEmpty()) { | |||
| 4627 | // We didn't find a host so use the generic heading | |||
| 4628 | nsContentUtils::GetLocalizedString( | |||
| 4629 | nsContentUtils::eCOMMON_DIALOG_PROPERTIES, aFallbackMessage, | |||
| 4630 | aOutMessage); | |||
| 4631 | } | |||
| 4632 | ||||
| 4633 | // Just in case | |||
| 4634 | if (aOutMessage.IsEmpty()) { | |||
| 4635 | NS_WARNING(NS_DebugBreak(NS_DEBUG_WARNING, "could not get ScriptDlgGenericHeading string from string bundle" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4636) | |||
| 4636 | "could not get ScriptDlgGenericHeading string from string bundle")NS_DebugBreak(NS_DEBUG_WARNING, "could not get ScriptDlgGenericHeading string from string bundle" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4636); | |||
| 4637 | aOutMessage.AssignLiteral("[Script]"); | |||
| 4638 | } | |||
| 4639 | } | |||
| 4640 | ||||
| 4641 | bool nsGlobalWindowOuter::CanMoveResizeWindows(CallerType aCallerType) { | |||
| 4642 | // When called from chrome, we can avoid the following checks. | |||
| 4643 | if (aCallerType != CallerType::System) { | |||
| 4644 | // Don't allow scripts to move or resize windows that were not opened by a | |||
| 4645 | // script. | |||
| 4646 | if (!mBrowsingContext->GetTopLevelCreatedByWebContent()) { | |||
| 4647 | return false; | |||
| 4648 | } | |||
| 4649 | ||||
| 4650 | if (!CanSetProperty("dom.disable_window_move_resize")) { | |||
| 4651 | return false; | |||
| 4652 | } | |||
| 4653 | ||||
| 4654 | // Ignore the request if we have more than one tab in the window. | |||
| 4655 | if (mBrowsingContext->Top()->HasSiblings()) { | |||
| 4656 | return false; | |||
| 4657 | } | |||
| 4658 | } | |||
| 4659 | ||||
| 4660 | if (mDocShell) { | |||
| 4661 | bool allow; | |||
| 4662 | nsresult rv = mDocShell->GetAllowWindowControl(&allow); | |||
| 4663 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1))) && !allow) return false; | |||
| 4664 | } | |||
| 4665 | ||||
| 4666 | if (nsGlobalWindowInner::sMouseDown && | |||
| 4667 | !nsGlobalWindowInner::sDragServiceDisabled) { | |||
| 4668 | nsCOMPtr<nsIDragService> ds = | |||
| 4669 | do_GetService("@mozilla.org/widget/dragservice;1"); | |||
| 4670 | if (ds) { | |||
| 4671 | nsGlobalWindowInner::sDragServiceDisabled = true; | |||
| 4672 | ds->Suppress(); | |||
| 4673 | } | |||
| 4674 | } | |||
| 4675 | return true; | |||
| 4676 | } | |||
| 4677 | ||||
| 4678 | bool nsGlobalWindowOuter::AlertOrConfirm(bool aAlert, const nsAString& aMessage, | |||
| 4679 | nsIPrincipal& aSubjectPrincipal, | |||
| 4680 | ErrorResult& aError) { | |||
| 4681 | // XXX This method is very similar to nsGlobalWindowOuter::Prompt, make | |||
| 4682 | // sure any modifications here don't need to happen over there! | |||
| 4683 | if (!AreDialogsEnabled()) { | |||
| 4684 | // Just silently return. In the case of alert(), the return value is | |||
| 4685 | // ignored. In the case of confirm(), returning false is the same thing as | |||
| 4686 | // would happen if the user cancels. | |||
| 4687 | return false; | |||
| 4688 | } | |||
| 4689 | ||||
| 4690 | // Reset popup state while opening a modal dialog, and firing events | |||
| 4691 | // about the dialog, to prevent the current state from being active | |||
| 4692 | // the whole time a modal dialog is open. | |||
| 4693 | AutoPopupStatePusherAutoPopupStatePusherInternal popupStatePusher(PopupBlocker::openAbused, true); | |||
| 4694 | ||||
| 4695 | // Before bringing up the window, unsuppress painting and flush | |||
| 4696 | // pending reflows. | |||
| 4697 | EnsureReflowFlushAndPaint(); | |||
| 4698 | ||||
| 4699 | nsAutoString title; | |||
| 4700 | MakeMessageWithPrincipal(title, &aSubjectPrincipal, false, | |||
| 4701 | "ScriptDlgNullPrincipalHeading", "ScriptDlgHeading", | |||
| 4702 | "ScriptDlgGenericHeading"); | |||
| 4703 | ||||
| 4704 | // Remove non-terminating null characters from the | |||
| 4705 | // string. See bug #310037. | |||
| 4706 | nsAutoString final; | |||
| 4707 | nsContentUtils::StripNullChars(aMessage, final); | |||
| 4708 | nsContentUtils::PlatformToDOMLineBreaks(final); | |||
| 4709 | ||||
| 4710 | nsresult rv; | |||
| 4711 | nsCOMPtr<nsIPromptFactory> promptFac = | |||
| 4712 | do_GetService("@mozilla.org/prompter;1", &rv); | |||
| 4713 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { | |||
| 4714 | aError.Throw(rv); | |||
| 4715 | return false; | |||
| 4716 | } | |||
| 4717 | ||||
| 4718 | nsCOMPtr<nsIPrompt> prompt; | |||
| 4719 | aError = | |||
| 4720 | promptFac->GetPrompt(this, NS_GET_IID(nsIPrompt)(nsIPrompt::COMTypeInfo<nsIPrompt, void>::kIID), getter_AddRefs(prompt)); | |||
| 4721 | if (aError.Failed()) { | |||
| 4722 | return false; | |||
| 4723 | } | |||
| 4724 | ||||
| 4725 | // Always allow content modal prompts for alert and confirm. | |||
| 4726 | if (nsCOMPtr<nsIWritablePropertyBag2> promptBag = do_QueryInterface(prompt)) { | |||
| 4727 | promptBag->SetPropertyAsUint32(u"modalType"_ns, | |||
| 4728 | nsIPrompt::MODAL_TYPE_CONTENT); | |||
| 4729 | } | |||
| 4730 | ||||
| 4731 | bool result = false; | |||
| 4732 | nsAutoSyncOperation sync(mDoc, SyncOperationBehavior::eSuspendInput); | |||
| 4733 | if (ShouldPromptToBlockDialogs()) { | |||
| 4734 | bool disallowDialog = false; | |||
| 4735 | nsAutoString label; | |||
| 4736 | MakeMessageWithPrincipal( | |||
| 4737 | label, &aSubjectPrincipal, true, "ScriptDialogLabelNullPrincipal", | |||
| 4738 | "ScriptDialogLabelContentPrincipal", "ScriptDialogLabelNullPrincipal"); | |||
| 4739 | ||||
| 4740 | aError = aAlert | |||
| 4741 | ? prompt->AlertCheck(title.get(), final.get(), label.get(), | |||
| 4742 | &disallowDialog) | |||
| 4743 | : prompt->ConfirmCheck(title.get(), final.get(), label.get(), | |||
| 4744 | &disallowDialog, &result); | |||
| 4745 | ||||
| 4746 | if (disallowDialog) { | |||
| 4747 | DisableDialogs(); | |||
| 4748 | } | |||
| 4749 | } else { | |||
| 4750 | aError = aAlert ? prompt->Alert(title.get(), final.get()) | |||
| 4751 | : prompt->Confirm(title.get(), final.get(), &result); | |||
| 4752 | } | |||
| 4753 | ||||
| 4754 | return result; | |||
| 4755 | } | |||
| 4756 | ||||
| 4757 | void nsGlobalWindowOuter::AlertOuter(const nsAString& aMessage, | |||
| 4758 | nsIPrincipal& aSubjectPrincipal, | |||
| 4759 | ErrorResult& aError) { | |||
| 4760 | AlertOrConfirm(/* aAlert = */ true, aMessage, aSubjectPrincipal, aError); | |||
| 4761 | } | |||
| 4762 | ||||
| 4763 | bool nsGlobalWindowOuter::ConfirmOuter(const nsAString& aMessage, | |||
| 4764 | nsIPrincipal& aSubjectPrincipal, | |||
| 4765 | ErrorResult& aError) { | |||
| 4766 | return AlertOrConfirm(/* aAlert = */ false, aMessage, aSubjectPrincipal, | |||
| 4767 | aError); | |||
| 4768 | } | |||
| 4769 | ||||
| 4770 | void nsGlobalWindowOuter::PromptOuter(const nsAString& aMessage, | |||
| 4771 | const nsAString& aInitial, | |||
| 4772 | nsAString& aReturn, | |||
| 4773 | nsIPrincipal& aSubjectPrincipal, | |||
| 4774 | ErrorResult& aError) { | |||
| 4775 | // XXX This method is very similar to nsGlobalWindowOuter::AlertOrConfirm, | |||
| 4776 | // make sure any modifications here don't need to happen over there! | |||
| 4777 | SetDOMStringToNull(aReturn); | |||
| 4778 | ||||
| 4779 | if (!AreDialogsEnabled()) { | |||
| 4780 | // Return null, as if the user just canceled the prompt. | |||
| 4781 | return; | |||
| 4782 | } | |||
| 4783 | ||||
| 4784 | // Reset popup state while opening a modal dialog, and firing events | |||
| 4785 | // about the dialog, to prevent the current state from being active | |||
| 4786 | // the whole time a modal dialog is open. | |||
| 4787 | AutoPopupStatePusherAutoPopupStatePusherInternal popupStatePusher(PopupBlocker::openAbused, true); | |||
| 4788 | ||||
| 4789 | // Before bringing up the window, unsuppress painting and flush | |||
| 4790 | // pending reflows. | |||
| 4791 | EnsureReflowFlushAndPaint(); | |||
| 4792 | ||||
| 4793 | nsAutoString title; | |||
| 4794 | MakeMessageWithPrincipal(title, &aSubjectPrincipal, false, | |||
| 4795 | "ScriptDlgNullPrincipalHeading", "ScriptDlgHeading", | |||
| 4796 | "ScriptDlgGenericHeading"); | |||
| 4797 | ||||
| 4798 | // Remove non-terminating null characters from the | |||
| 4799 | // string. See bug #310037. | |||
| 4800 | nsAutoString fixedMessage, fixedInitial; | |||
| 4801 | nsContentUtils::StripNullChars(aMessage, fixedMessage); | |||
| 4802 | nsContentUtils::PlatformToDOMLineBreaks(fixedMessage); | |||
| 4803 | nsContentUtils::StripNullChars(aInitial, fixedInitial); | |||
| 4804 | ||||
| 4805 | nsresult rv; | |||
| 4806 | nsCOMPtr<nsIPromptFactory> promptFac = | |||
| 4807 | do_GetService("@mozilla.org/prompter;1", &rv); | |||
| 4808 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { | |||
| 4809 | aError.Throw(rv); | |||
| 4810 | return; | |||
| 4811 | } | |||
| 4812 | ||||
| 4813 | nsCOMPtr<nsIPrompt> prompt; | |||
| 4814 | aError = | |||
| 4815 | promptFac->GetPrompt(this, NS_GET_IID(nsIPrompt)(nsIPrompt::COMTypeInfo<nsIPrompt, void>::kIID), getter_AddRefs(prompt)); | |||
| 4816 | if (aError.Failed()) { | |||
| 4817 | return; | |||
| 4818 | } | |||
| 4819 | ||||
| 4820 | // Always allow content modal prompts for prompt. | |||
| 4821 | if (nsCOMPtr<nsIWritablePropertyBag2> promptBag = do_QueryInterface(prompt)) { | |||
| 4822 | promptBag->SetPropertyAsUint32(u"modalType"_ns, | |||
| 4823 | nsIPrompt::MODAL_TYPE_CONTENT); | |||
| 4824 | } | |||
| 4825 | ||||
| 4826 | // Pass in the default value, if any. | |||
| 4827 | char16_t* inoutValue = ToNewUnicode(fixedInitial); | |||
| 4828 | bool disallowDialog = false; | |||
| 4829 | ||||
| 4830 | nsAutoString label; | |||
| 4831 | label.SetIsVoid(true); | |||
| 4832 | if (ShouldPromptToBlockDialogs()) { | |||
| 4833 | nsContentUtils::GetLocalizedString( | |||
| 4834 | nsContentUtils::eCOMMON_DIALOG_PROPERTIES, "ScriptDialogLabel", label); | |||
| 4835 | } | |||
| 4836 | ||||
| 4837 | nsAutoSyncOperation sync(mDoc, SyncOperationBehavior::eSuspendInput); | |||
| 4838 | bool ok; | |||
| 4839 | aError = prompt->Prompt(title.get(), fixedMessage.get(), &inoutValue, | |||
| 4840 | label.IsVoid() ? nullptr : label.get(), | |||
| 4841 | &disallowDialog, &ok); | |||
| 4842 | ||||
| 4843 | if (disallowDialog) { | |||
| 4844 | DisableDialogs(); | |||
| 4845 | } | |||
| 4846 | ||||
| 4847 | // XXX Doesn't this leak inoutValue? | |||
| 4848 | if (aError.Failed()) { | |||
| 4849 | return; | |||
| 4850 | } | |||
| 4851 | ||||
| 4852 | nsString outValue; | |||
| 4853 | outValue.Adopt(inoutValue); | |||
| 4854 | if (ok && inoutValue) { | |||
| 4855 | aReturn = std::move(outValue); | |||
| 4856 | } | |||
| 4857 | } | |||
| 4858 | ||||
| 4859 | void nsGlobalWindowOuter::FocusOuter(CallerType aCallerType, | |||
| 4860 | bool aFromOtherProcess, | |||
| 4861 | uint64_t aActionId) { | |||
| 4862 | RefPtr<nsFocusManager> fm = nsFocusManager::GetFocusManager(); | |||
| 4863 | if (MOZ_UNLIKELY(!fm)(__builtin_expect(!!(!fm), 0))) { | |||
| 4864 | return; | |||
| 4865 | } | |||
| 4866 | ||||
| 4867 | auto [canFocus, isActive] = GetBrowsingContext()->CanFocusCheck(aCallerType); | |||
| 4868 | if (aFromOtherProcess) { | |||
| 4869 | // We trust that the check passed in a process that's, in principle, | |||
| 4870 | // untrusted, because we don't have the required caller context available | |||
| 4871 | // here. Also, the worst that the other process can do in this case is to | |||
| 4872 | // raise a window it's not supposed to be allowed to raise. | |||
| 4873 | // https://bugzilla.mozilla.org/show_bug.cgi?id=1677899 | |||
| 4874 | MOZ_ASSERT(XRE_IsContentProcess(),do { static_assert( mozilla::detail::AssertionConditionType< decltype(XRE_IsContentProcess())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(XRE_IsContentProcess()))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("XRE_IsContentProcess()" " (" "Parent should not trust other processes." ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4875); AnnotateMozCrashReason("MOZ_ASSERT" "(" "XRE_IsContentProcess()" ") (" "Parent should not trust other processes." ")"); do { * ((volatile int*)__null) = 4875; __attribute__((nomerge)) ::abort (); } while (false); } } while (false) | |||
| 4875 | "Parent should not trust other processes.")do { static_assert( mozilla::detail::AssertionConditionType< decltype(XRE_IsContentProcess())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(XRE_IsContentProcess()))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("XRE_IsContentProcess()" " (" "Parent should not trust other processes." ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4875); AnnotateMozCrashReason("MOZ_ASSERT" "(" "XRE_IsContentProcess()" ") (" "Parent should not trust other processes." ")"); do { * ((volatile int*)__null) = 4875; __attribute__((nomerge)) ::abort (); } while (false); } } while (false); | |||
| 4876 | canFocus = true; | |||
| 4877 | } | |||
| 4878 | ||||
| 4879 | nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow(); | |||
| 4880 | if (treeOwnerAsWin && (canFocus || isActive)) { | |||
| 4881 | bool isEnabled = true; | |||
| 4882 | if (NS_SUCCEEDED(treeOwnerAsWin->GetEnabled(&isEnabled))((bool)(__builtin_expect(!!(!NS_FAILED_impl(treeOwnerAsWin-> GetEnabled(&isEnabled))), 1))) && !isEnabled) { | |||
| 4883 | NS_WARNING("Should not try to set the focus on a disabled window")NS_DebugBreak(NS_DEBUG_WARNING, "Should not try to set the focus on a disabled window" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4883); | |||
| 4884 | return; | |||
| 4885 | } | |||
| 4886 | } | |||
| 4887 | ||||
| 4888 | if (!mDocShell) { | |||
| 4889 | return; | |||
| 4890 | } | |||
| 4891 | ||||
| 4892 | // If the window has a child frame focused, clear the focus. This | |||
| 4893 | // ensures that focus will be in this frame and not in a child. | |||
| 4894 | if (nsIContent* content = GetFocusedElement()) { | |||
| 4895 | if (HTMLIFrameElement::FromNode(content)) { | |||
| 4896 | fm->ClearFocus(this); | |||
| 4897 | } | |||
| 4898 | } | |||
| 4899 | ||||
| 4900 | RefPtr<BrowsingContext> parent; | |||
| 4901 | BrowsingContext* bc = GetBrowsingContext(); | |||
| 4902 | if (bc) { | |||
| 4903 | parent = bc->GetParent(); | |||
| 4904 | if (!parent && XRE_IsParentProcess()) { | |||
| 4905 | parent = bc->Canonical()->GetParentCrossChromeBoundary(); | |||
| 4906 | } | |||
| 4907 | } | |||
| 4908 | if (parent) { | |||
| 4909 | if (!parent->IsInProcess()) { | |||
| 4910 | if (isActive) { | |||
| 4911 | OwningNonNull<nsGlobalWindowOuter> kungFuDeathGrip(*this); | |||
| 4912 | fm->WindowRaised(kungFuDeathGrip, aActionId); | |||
| 4913 | } else { | |||
| 4914 | ContentChild* contentChild = ContentChild::GetSingleton(); | |||
| 4915 | MOZ_ASSERT(contentChild)do { static_assert( mozilla::detail::AssertionConditionType< decltype(contentChild)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(contentChild))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("contentChild", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4915); AnnotateMozCrashReason("MOZ_ASSERT" "(" "contentChild" ")"); do { *((volatile int*)__null) = 4915; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 4916 | contentChild->SendFinalizeFocusOuter(bc, canFocus, aCallerType); | |||
| 4917 | } | |||
| 4918 | return; | |||
| 4919 | } | |||
| 4920 | ||||
| 4921 | MOZ_ASSERT(mDoc, "Call chain should have ensured document creation.")do { static_assert( mozilla::detail::AssertionConditionType< decltype(mDoc)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(mDoc))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("mDoc" " (" "Call chain should have ensured document creation." ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4921); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mDoc" ") (" "Call chain should have ensured document creation." ")"); do { *((volatile int*)__null) = 4921; __attribute__((nomerge)) :: abort(); } while (false); } } while (false); | |||
| 4922 | if (mDoc) { | |||
| 4923 | if (Element* frame = mDoc->GetEmbedderElement()) { | |||
| 4924 | nsContentUtils::RequestFrameFocus(*frame, canFocus, aCallerType); | |||
| 4925 | } | |||
| 4926 | } | |||
| 4927 | return; | |||
| 4928 | } | |||
| 4929 | ||||
| 4930 | if (canFocus) { | |||
| 4931 | // if there is no parent, this must be a toplevel window, so raise the | |||
| 4932 | // window if canFocus is true. If this is a child process, the raise | |||
| 4933 | // window request will get forwarded to the parent by the puppet widget. | |||
| 4934 | OwningNonNull<nsGlobalWindowOuter> kungFuDeathGrip(*this); | |||
| 4935 | fm->RaiseWindow(kungFuDeathGrip, aCallerType, aActionId); | |||
| 4936 | } | |||
| 4937 | } | |||
| 4938 | ||||
| 4939 | nsresult nsGlobalWindowOuter::Focus(CallerType aCallerType) { | |||
| 4940 | FORWARD_TO_INNER(Focus, (aCallerType), NS_ERROR_UNEXPECTED)do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4940); return NS_ERROR_UNEXPECTED; } return GetCurrentInnerWindowInternal (this)->Focus (aCallerType); } while (0); | |||
| 4941 | } | |||
| 4942 | ||||
| 4943 | void nsGlobalWindowOuter::BlurOuter(CallerType aCallerType) { | |||
| 4944 | if (!GetBrowsingContext()->CanBlurCheck(aCallerType)) { | |||
| 4945 | return; | |||
| 4946 | } | |||
| 4947 | ||||
| 4948 | nsCOMPtr<nsIWebBrowserChrome> chrome = GetWebBrowserChrome(); | |||
| 4949 | if (chrome) { | |||
| 4950 | chrome->Blur(); | |||
| 4951 | } | |||
| 4952 | } | |||
| 4953 | ||||
| 4954 | void nsGlobalWindowOuter::StopOuter(ErrorResult& aError) { | |||
| 4955 | // IsNavigationAllowed checks are usually done in nsDocShell directly, | |||
| 4956 | // however nsDocShell::Stop has a bunch of internal users that would fail | |||
| 4957 | // the IsNavigationAllowed check. | |||
| 4958 | if (!mDocShell || !nsDocShell::Cast(mDocShell)->IsNavigationAllowed()) { | |||
| 4959 | return; | |||
| 4960 | } | |||
| 4961 | ||||
| 4962 | nsCOMPtr<nsIWebNavigation> webNav(do_QueryInterface(mDocShell)); | |||
| 4963 | if (webNav) { | |||
| 4964 | aError = webNav->Stop(nsIWebNavigation::STOP_ALL); | |||
| 4965 | } | |||
| 4966 | } | |||
| 4967 | ||||
| 4968 | void nsGlobalWindowOuter::PrintOuter(ErrorResult& aError) { | |||
| 4969 | if (!AreDialogsEnabled()) { | |||
| 4970 | // Per spec, silently return. https://github.com/whatwg/html/commit/21a1de1 | |||
| 4971 | return; | |||
| 4972 | } | |||
| 4973 | ||||
| 4974 | // Printing is disabled, silently return. | |||
| 4975 | if (!StaticPrefs::print_enabled()) { | |||
| 4976 | return; | |||
| 4977 | } | |||
| 4978 | ||||
| 4979 | // If we're loading, queue the print for later. This is a special-case that | |||
| 4980 | // only applies to the window.print() call, for compat with other engines and | |||
| 4981 | // pre-existing behavior. | |||
| 4982 | if (mShouldDelayPrintUntilAfterLoad) { | |||
| 4983 | if (nsIDocShell* docShell = GetDocShell()) { | |||
| 4984 | if (docShell->GetBusyFlags() & nsIDocShell::BUSY_FLAGS_PAGE_LOADING) { | |||
| 4985 | mDelayedPrintUntilAfterLoad = true; | |||
| 4986 | return; | |||
| 4987 | } | |||
| 4988 | } | |||
| 4989 | } | |||
| 4990 | ||||
| 4991 | #ifdef NS_PRINTING1 | |||
| 4992 | RefPtr<BrowsingContext> top = | |||
| 4993 | mBrowsingContext ? mBrowsingContext->Top() : nullptr; | |||
| 4994 | if (NS_WARN_IF(top && top->GetIsPrinting())NS_warn_if_impl(top && top->GetIsPrinting(), "top && top->GetIsPrinting()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 4994)) { | |||
| 4995 | return; | |||
| 4996 | } | |||
| 4997 | ||||
| 4998 | if (top) { | |||
| 4999 | Unused << top->SetIsPrinting(true); | |||
| 5000 | } | |||
| 5001 | ||||
| 5002 | auto unset = MakeScopeExit([&] { | |||
| 5003 | if (top) { | |||
| 5004 | Unused << top->SetIsPrinting(false); | |||
| 5005 | } | |||
| 5006 | }); | |||
| 5007 | ||||
| 5008 | const bool forPreview = !StaticPrefs::print_always_print_silent(); | |||
| 5009 | Print(nullptr, nullptr, nullptr, nullptr, IsPreview(forPreview), | |||
| 5010 | IsForWindowDotPrint::Yes, nullptr, nullptr, aError); | |||
| 5011 | #endif | |||
| 5012 | } | |||
| 5013 | ||||
| 5014 | class MOZ_RAII AutoModalState { | |||
| 5015 | public: | |||
| 5016 | explicit AutoModalState(nsGlobalWindowOuter& aWin) | |||
| 5017 | : mModalStateWin(aWin.EnterModalState()) {} | |||
| 5018 | ||||
| 5019 | ~AutoModalState() { | |||
| 5020 | if (mModalStateWin) { | |||
| 5021 | mModalStateWin->LeaveModalState(); | |||
| 5022 | } | |||
| 5023 | } | |||
| 5024 | ||||
| 5025 | RefPtr<nsGlobalWindowOuter> mModalStateWin; | |||
| 5026 | }; | |||
| 5027 | ||||
| 5028 | Nullable<WindowProxyHolder> nsGlobalWindowOuter::Print( | |||
| 5029 | nsIPrintSettings* aPrintSettings, RemotePrintJobChild* aRemotePrintJob, | |||
| 5030 | nsIWebProgressListener* aListener, nsIDocShell* aDocShellToCloneInto, | |||
| 5031 | IsPreview aIsPreview, IsForWindowDotPrint aForWindowDotPrint, | |||
| 5032 | PrintPreviewResolver&& aPrintPreviewCallback, | |||
| 5033 | RefPtr<BrowsingContext>* aCachedBrowsingContext, ErrorResult& aError) { | |||
| 5034 | #ifdef NS_PRINTING1 | |||
| 5035 | nsCOMPtr<nsIPrintSettingsService> printSettingsService = | |||
| 5036 | do_GetService("@mozilla.org/gfx/printsettings-service;1"); | |||
| 5037 | if (!printSettingsService) { | |||
| 5038 | // we currently return here in headless mode - should we? | |||
| 5039 | aError.ThrowNotSupportedError("No print settings service"); | |||
| 5040 | return nullptr; | |||
| 5041 | } | |||
| 5042 | ||||
| 5043 | nsCOMPtr<nsIPrintSettings> ps = aPrintSettings; | |||
| 5044 | if (!ps) { | |||
| 5045 | // We shouldn't need this once bug 1776169 is fixed. | |||
| 5046 | printSettingsService->GetDefaultPrintSettingsForPrinting( | |||
| 5047 | getter_AddRefs(ps)); | |||
| 5048 | } | |||
| 5049 | ||||
| 5050 | RefPtr<Document> docToPrint = mDoc; | |||
| 5051 | if (NS_WARN_IF(!docToPrint)NS_warn_if_impl(!docToPrint, "!docToPrint", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5051)) { | |||
| 5052 | aError.ThrowNotSupportedError("Document is gone"); | |||
| 5053 | return nullptr; | |||
| 5054 | } | |||
| 5055 | ||||
| 5056 | RefPtr<BrowsingContext> sourceBC = docToPrint->GetBrowsingContext(); | |||
| 5057 | MOZ_DIAGNOSTIC_ASSERT(sourceBC)do { static_assert( mozilla::detail::AssertionConditionType< decltype(sourceBC)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(sourceBC))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("sourceBC", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5057); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "sourceBC" ")"); do { *((volatile int*)__null) = 5057; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 5058 | if (!sourceBC) { | |||
| 5059 | aError.ThrowNotSupportedError("No browsing context for source document"); | |||
| 5060 | return nullptr; | |||
| 5061 | } | |||
| 5062 | ||||
| 5063 | nsAutoSyncOperation sync(docToPrint, SyncOperationBehavior::eAllowInput); | |||
| 5064 | AutoModalState modalState(*this); | |||
| 5065 | ||||
| 5066 | nsCOMPtr<nsIDocumentViewer> viewer; | |||
| 5067 | RefPtr<BrowsingContext> bc; | |||
| 5068 | bool hasPrintCallbacks = false; | |||
| 5069 | bool wasStaticDocument = docToPrint->IsStaticDocument(); | |||
| 5070 | bool usingCachedBrowsingContext = false; | |||
| 5071 | if (aCachedBrowsingContext && *aCachedBrowsingContext) { | |||
| 5072 | MOZ_ASSERT(!wasStaticDocument,do { static_assert( mozilla::detail::AssertionConditionType< decltype(!wasStaticDocument)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!wasStaticDocument))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!wasStaticDocument" " (" "Why pass in non-empty aCachedBrowsingContext if original " "document is already static?" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5074); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!wasStaticDocument" ") (" "Why pass in non-empty aCachedBrowsingContext if original " "document is already static?" ")"); do { *((volatile int*)__null ) = 5074; __attribute__((nomerge)) ::abort(); } while (false) ; } } while (false) | |||
| 5073 | "Why pass in non-empty aCachedBrowsingContext if original "do { static_assert( mozilla::detail::AssertionConditionType< decltype(!wasStaticDocument)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!wasStaticDocument))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!wasStaticDocument" " (" "Why pass in non-empty aCachedBrowsingContext if original " "document is already static?" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5074); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!wasStaticDocument" ") (" "Why pass in non-empty aCachedBrowsingContext if original " "document is already static?" ")"); do { *((volatile int*)__null ) = 5074; __attribute__((nomerge)) ::abort(); } while (false) ; } } while (false) | |||
| 5074 | "document is already static?")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!wasStaticDocument)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!wasStaticDocument))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!wasStaticDocument" " (" "Why pass in non-empty aCachedBrowsingContext if original " "document is already static?" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5074); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!wasStaticDocument" ") (" "Why pass in non-empty aCachedBrowsingContext if original " "document is already static?" ")"); do { *((volatile int*)__null ) = 5074; __attribute__((nomerge)) ::abort(); } while (false) ; } } while (false); | |||
| 5075 | if (!wasStaticDocument) { | |||
| 5076 | // The passed in document is not a static clone and the caller passed in a | |||
| 5077 | // static clone to reuse, so swap it in. | |||
| 5078 | docToPrint = (*aCachedBrowsingContext)->GetDocument(); | |||
| 5079 | MOZ_ASSERT(docToPrint)do { static_assert( mozilla::detail::AssertionConditionType< decltype(docToPrint)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(docToPrint))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("docToPrint", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5079); AnnotateMozCrashReason("MOZ_ASSERT" "(" "docToPrint" ")"); do { *((volatile int*)__null) = 5079; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 5080 | MOZ_ASSERT(docToPrint->IsStaticDocument())do { static_assert( mozilla::detail::AssertionConditionType< decltype(docToPrint->IsStaticDocument())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(docToPrint->IsStaticDocument ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("docToPrint->IsStaticDocument()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5080); AnnotateMozCrashReason("MOZ_ASSERT" "(" "docToPrint->IsStaticDocument()" ")"); do { *((volatile int*)__null) = 5080; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 5081 | wasStaticDocument = true; | |||
| 5082 | usingCachedBrowsingContext = true; | |||
| 5083 | } | |||
| 5084 | } | |||
| 5085 | if (wasStaticDocument) { | |||
| 5086 | if (aForWindowDotPrint == IsForWindowDotPrint::Yes) { | |||
| 5087 | aError.ThrowNotSupportedError( | |||
| 5088 | "Calling print() from a print preview is unsupported, did you intend " | |||
| 5089 | "to call printPreview() instead?"); | |||
| 5090 | return nullptr; | |||
| 5091 | } | |||
| 5092 | if (usingCachedBrowsingContext) { | |||
| 5093 | bc = docToPrint->GetBrowsingContext(); | |||
| 5094 | } else { | |||
| 5095 | // We're already a print preview window, just reuse our browsing context / | |||
| 5096 | // content viewer. | |||
| 5097 | bc = sourceBC; | |||
| 5098 | } | |||
| 5099 | nsCOMPtr<nsIDocShell> docShell = bc->GetDocShell(); | |||
| 5100 | if (!docShell) { | |||
| 5101 | aError.ThrowNotSupportedError("No docshell"); | |||
| 5102 | return nullptr; | |||
| 5103 | } | |||
| 5104 | // We could handle this if needed. | |||
| 5105 | if (aDocShellToCloneInto && aDocShellToCloneInto != docShell) { | |||
| 5106 | aError.ThrowNotSupportedError( | |||
| 5107 | "We don't handle cloning a print preview doc into a different " | |||
| 5108 | "docshell"); | |||
| 5109 | return nullptr; | |||
| 5110 | } | |||
| 5111 | docShell->GetDocViewer(getter_AddRefs(viewer)); | |||
| 5112 | MOZ_DIAGNOSTIC_ASSERT(viewer)do { static_assert( mozilla::detail::AssertionConditionType< decltype(viewer)>::isValid, "invalid assertion condition") ; if ((__builtin_expect(!!(!(!!(viewer))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("viewer", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5112); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "viewer" ")"); do { *((volatile int*)__null) = 5112; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 5113 | } else { | |||
| 5114 | if (aDocShellToCloneInto) { | |||
| 5115 | // Ensure the content viewer is created if needed. | |||
| 5116 | Unused << aDocShellToCloneInto->GetDocument(); | |||
| 5117 | bc = aDocShellToCloneInto->GetBrowsingContext(); | |||
| 5118 | } else { | |||
| 5119 | AutoNoJSAPI nojsapi; | |||
| 5120 | auto printKind = aForWindowDotPrint == IsForWindowDotPrint::Yes | |||
| 5121 | ? PrintKind::WindowDotPrint | |||
| 5122 | : PrintKind::InternalPrint; | |||
| 5123 | // For PrintKind::WindowDotPrint, this call will not only make the parent | |||
| 5124 | // process create a CanonicalBrowsingContext for the returned `bc`, but | |||
| 5125 | // it will also make the parent process initiate the print/print preview. | |||
| 5126 | // See the handling of OPEN_PRINT_BROWSER in browser.js. | |||
| 5127 | aError = OpenInternal(u""_ns, u""_ns, u""_ns, | |||
| 5128 | false, // aDialog | |||
| 5129 | false, // aContentModal | |||
| 5130 | true, // aCalledNoScript | |||
| 5131 | false, // aDoJSFixups | |||
| 5132 | true, // aNavigate | |||
| 5133 | nullptr, nullptr, // No args | |||
| 5134 | nullptr, // aLoadState | |||
| 5135 | false, // aForceNoOpener | |||
| 5136 | printKind, getter_AddRefs(bc)); | |||
| 5137 | if (NS_WARN_IF(aError.Failed())NS_warn_if_impl(aError.Failed(), "aError.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5137)) { | |||
| 5138 | return nullptr; | |||
| 5139 | } | |||
| 5140 | if (aCachedBrowsingContext) { | |||
| 5141 | MOZ_ASSERT(!*aCachedBrowsingContext)do { static_assert( mozilla::detail::AssertionConditionType< decltype(!*aCachedBrowsingContext)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!*aCachedBrowsingContext))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!*aCachedBrowsingContext" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5141); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!*aCachedBrowsingContext" ")"); do { *((volatile int*)__null) = 5141; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 5142 | *aCachedBrowsingContext = bc; | |||
| 5143 | } | |||
| 5144 | } | |||
| 5145 | if (!bc) { | |||
| 5146 | aError.ThrowNotAllowedError("No browsing context"); | |||
| 5147 | return nullptr; | |||
| 5148 | } | |||
| 5149 | ||||
| 5150 | Unused << bc->Top()->SetIsPrinting(true); | |||
| 5151 | nsCOMPtr<nsIDocShell> cloneDocShell = bc->GetDocShell(); | |||
| 5152 | MOZ_DIAGNOSTIC_ASSERT(cloneDocShell)do { static_assert( mozilla::detail::AssertionConditionType< decltype(cloneDocShell)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(cloneDocShell))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("cloneDocShell", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5152); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "cloneDocShell" ")"); do { *((volatile int*)__null) = 5152; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 5153 | cloneDocShell->GetDocViewer(getter_AddRefs(viewer)); | |||
| 5154 | MOZ_DIAGNOSTIC_ASSERT(viewer)do { static_assert( mozilla::detail::AssertionConditionType< decltype(viewer)>::isValid, "invalid assertion condition") ; if ((__builtin_expect(!!(!(!!(viewer))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("viewer", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5154); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "viewer" ")"); do { *((volatile int*)__null) = 5154; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 5155 | if (!viewer) { | |||
| 5156 | aError.ThrowNotSupportedError("Didn't end up with a content viewer"); | |||
| 5157 | return nullptr; | |||
| 5158 | } | |||
| 5159 | ||||
| 5160 | if (bc != sourceBC) { | |||
| 5161 | MOZ_ASSERT(bc->IsTopContent())do { static_assert( mozilla::detail::AssertionConditionType< decltype(bc->IsTopContent())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(bc->IsTopContent()))), 0) )) { do { } while (false); MOZ_ReportAssertionFailure("bc->IsTopContent()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5161); AnnotateMozCrashReason("MOZ_ASSERT" "(" "bc->IsTopContent()" ")"); do { *((volatile int*)__null) = 5161; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 5162 | // If we are cloning from a document in a different BrowsingContext, we | |||
| 5163 | // need to make sure to copy over our opener policy information from that | |||
| 5164 | // BrowsingContext. In the case where the source is an iframe, this | |||
| 5165 | // information needs to be copied from the toplevel source | |||
| 5166 | // BrowsingContext, as we may be making a static clone of a single | |||
| 5167 | // subframe. | |||
| 5168 | MOZ_ALWAYS_SUCCEEDS(do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl (bc->SetOpenerPolicy(sourceBC->Top()->GetOpenerPolicy ()))), 1)))), 1))) { } else { do { static_assert( mozilla::detail ::AssertionConditionType<decltype(false)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("false" " (" "NS_SUCCEEDED(bc->SetOpenerPolicy(sourceBC->Top()->GetOpenerPolicy()))" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5169); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "false" ") (" "NS_SUCCEEDED(bc->SetOpenerPolicy(sourceBC->Top()->GetOpenerPolicy()))" ")"); do { *((volatile int*)__null) = 5169; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); } } while ( false) | |||
| 5169 | bc->SetOpenerPolicy(sourceBC->Top()->GetOpenerPolicy()))do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl (bc->SetOpenerPolicy(sourceBC->Top()->GetOpenerPolicy ()))), 1)))), 1))) { } else { do { static_assert( mozilla::detail ::AssertionConditionType<decltype(false)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("false" " (" "NS_SUCCEEDED(bc->SetOpenerPolicy(sourceBC->Top()->GetOpenerPolicy()))" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5169); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "false" ") (" "NS_SUCCEEDED(bc->SetOpenerPolicy(sourceBC->Top()->GetOpenerPolicy()))" ")"); do { *((volatile int*)__null) = 5169; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); } } while ( false); | |||
| 5170 | MOZ_DIAGNOSTIC_ASSERT(bc->Group() == sourceBC->Group())do { static_assert( mozilla::detail::AssertionConditionType< decltype(bc->Group() == sourceBC->Group())>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(bc->Group() == sourceBC->Group()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("bc->Group() == sourceBC->Group()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5170); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "bc->Group() == sourceBC->Group()" ")"); do { *((volatile int*)__null) = 5170; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 5171 | } | |||
| 5172 | ||||
| 5173 | if (RefPtr<Document> doc = viewer->GetDocument()) { | |||
| 5174 | if (doc->IsShowing()) { | |||
| 5175 | // We're going to drop this document on the floor, in the SetDocument | |||
| 5176 | // call below. Make sure to run OnPageHide() to keep state consistent | |||
| 5177 | // and avoids assertions in the document destructor. | |||
| 5178 | doc->OnPageHide(false, nullptr); | |||
| 5179 | } | |||
| 5180 | } | |||
| 5181 | ||||
| 5182 | AutoPrintEventDispatcher dispatcher(*docToPrint); | |||
| 5183 | ||||
| 5184 | nsAutoScriptBlocker blockScripts; | |||
| 5185 | RefPtr<Document> clone = docToPrint->CreateStaticClone( | |||
| 5186 | cloneDocShell, viewer, ps, &hasPrintCallbacks); | |||
| 5187 | if (!clone) { | |||
| 5188 | aError.ThrowNotSupportedError("Clone operation for printing failed"); | |||
| 5189 | return nullptr; | |||
| 5190 | } | |||
| 5191 | } | |||
| 5192 | ||||
| 5193 | nsCOMPtr<nsIWebBrowserPrint> webBrowserPrint = do_QueryInterface(viewer); | |||
| 5194 | if (!webBrowserPrint) { | |||
| 5195 | aError.ThrowNotSupportedError( | |||
| 5196 | "Content viewer didn't implement nsIWebBrowserPrint"); | |||
| 5197 | return nullptr; | |||
| 5198 | } | |||
| 5199 | bool closeWindowAfterPrint; | |||
| 5200 | if (wasStaticDocument) { | |||
| 5201 | // Here the document was a static clone to begin with that this code did not | |||
| 5202 | // create, so we should not clean it up. | |||
| 5203 | // The exception is if we're using the passed-in aCachedBrowsingContext, in | |||
| 5204 | // which case this is the second print with this static document clone that | |||
| 5205 | // we created the first time through, and we are responsible for cleaning it | |||
| 5206 | // up. | |||
| 5207 | closeWindowAfterPrint = usingCachedBrowsingContext; | |||
| 5208 | } else { | |||
| 5209 | // In this case the document was not a static clone, so we made a static | |||
| 5210 | // clone for printing purposes and must clean it up after the print is done. | |||
| 5211 | // The exception is if aCachedBrowsingContext is non-NULL, meaning the | |||
| 5212 | // caller is intending to print this document again, so we need to defer the | |||
| 5213 | // cleanup until after the second print. | |||
| 5214 | closeWindowAfterPrint = !aCachedBrowsingContext; | |||
| 5215 | } | |||
| 5216 | webBrowserPrint->SetCloseWindowAfterPrint(closeWindowAfterPrint); | |||
| 5217 | ||||
| 5218 | // For window.print(), we postpone making these calls until the round-trip to | |||
| 5219 | // the parent process (triggered by the OpenInternal call above) calls us | |||
| 5220 | // again. Only a call from the parent can provide a valid nsPrintSettings | |||
| 5221 | // object and RemotePrintJobChild object. | |||
| 5222 | if (aForWindowDotPrint == IsForWindowDotPrint::No) { | |||
| 5223 | if (aIsPreview == IsPreview::Yes) { | |||
| 5224 | aError = webBrowserPrint->PrintPreview(ps, aListener, | |||
| 5225 | std::move(aPrintPreviewCallback)); | |||
| 5226 | if (aError.Failed()) { | |||
| 5227 | return nullptr; | |||
| 5228 | } | |||
| 5229 | } else { | |||
| 5230 | // Historically we've eaten this error. | |||
| 5231 | webBrowserPrint->Print(ps, aRemotePrintJob, aListener); | |||
| 5232 | } | |||
| 5233 | } | |||
| 5234 | ||||
| 5235 | // When using window.print() with the new UI, we usually want to block until | |||
| 5236 | // the print dialog is hidden. But we can't really do that if we have print | |||
| 5237 | // callbacks, because we are inside a sync operation, and we want to run | |||
| 5238 | // microtasks / etc that the print callbacks may create. It is really awkward | |||
| 5239 | // to have this subtle behavior difference... | |||
| 5240 | // | |||
| 5241 | // We also want to do this for fuzzing, so that they can test window.print(). | |||
| 5242 | const bool shouldBlock = [&] { | |||
| 5243 | if (aForWindowDotPrint == IsForWindowDotPrint::No) { | |||
| 5244 | return false; | |||
| 5245 | } | |||
| 5246 | if (aIsPreview == IsPreview::Yes) { | |||
| 5247 | return !hasPrintCallbacks; | |||
| 5248 | } | |||
| 5249 | return StaticPrefs::dom_window_print_fuzzing_block_while_printing(); | |||
| 5250 | }(); | |||
| 5251 | ||||
| 5252 | if (shouldBlock) { | |||
| 5253 | SpinEventLoopUntil("nsGlobalWindowOuter::Print"_ns, | |||
| 5254 | [&] { return bc->IsDiscarded(); }); | |||
| 5255 | } | |||
| 5256 | ||||
| 5257 | return WindowProxyHolder(std::move(bc)); | |||
| 5258 | #else | |||
| 5259 | return nullptr; | |||
| 5260 | #endif // NS_PRINTING | |||
| 5261 | } | |||
| 5262 | ||||
| 5263 | void nsGlobalWindowOuter::MoveToOuter(int32_t aXPos, int32_t aYPos, | |||
| 5264 | CallerType aCallerType, | |||
| 5265 | ErrorResult& aError) { | |||
| 5266 | /* | |||
| 5267 | * If caller is not chrome and the user has not explicitly exempted the site, | |||
| 5268 | * prevent window.moveTo() by exiting early | |||
| 5269 | */ | |||
| 5270 | ||||
| 5271 | if (!CanMoveResizeWindows(aCallerType) || mBrowsingContext->IsSubframe()) { | |||
| 5272 | return; | |||
| 5273 | } | |||
| 5274 | ||||
| 5275 | nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow(); | |||
| 5276 | if (!treeOwnerAsWin) { | |||
| 5277 | aError.Throw(NS_ERROR_FAILURE); | |||
| 5278 | return; | |||
| 5279 | } | |||
| 5280 | ||||
| 5281 | // We need to do the same transformation GetScreenXY does. | |||
| 5282 | RefPtr<nsPresContext> presContext = mDocShell->GetPresContext(); | |||
| 5283 | if (!presContext) { | |||
| 5284 | return; | |||
| 5285 | } | |||
| 5286 | ||||
| 5287 | CSSIntPoint cssPos(aXPos, aYPos); | |||
| 5288 | CheckSecurityLeftAndTop(&cssPos.x.value, &cssPos.y.value, aCallerType); | |||
| 5289 | ||||
| 5290 | nsDeviceContext* context = presContext->DeviceContext(); | |||
| 5291 | ||||
| 5292 | auto devPos = LayoutDeviceIntPoint::FromAppUnitsRounded( | |||
| 5293 | CSSIntPoint::ToAppUnits(cssPos), context->AppUnitsPerDevPixel()); | |||
| 5294 | ||||
| 5295 | aError = treeOwnerAsWin->SetPosition(devPos.x, devPos.y); | |||
| 5296 | CheckForDPIChange(); | |||
| 5297 | } | |||
| 5298 | ||||
| 5299 | void nsGlobalWindowOuter::MoveByOuter(int32_t aXDif, int32_t aYDif, | |||
| 5300 | CallerType aCallerType, | |||
| 5301 | ErrorResult& aError) { | |||
| 5302 | /* | |||
| 5303 | * If caller is not chrome and the user has not explicitly exempted the site, | |||
| 5304 | * prevent window.moveBy() by exiting early | |||
| 5305 | */ | |||
| 5306 | ||||
| 5307 | if (!CanMoveResizeWindows(aCallerType) || mBrowsingContext->IsSubframe()) { | |||
| 5308 | return; | |||
| 5309 | } | |||
| 5310 | ||||
| 5311 | nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow(); | |||
| 5312 | if (!treeOwnerAsWin) { | |||
| 5313 | aError.Throw(NS_ERROR_FAILURE); | |||
| 5314 | return; | |||
| 5315 | } | |||
| 5316 | ||||
| 5317 | // To do this correctly we have to convert what we get from GetPosition | |||
| 5318 | // into CSS pixels, add the arguments, do the security check, and | |||
| 5319 | // then convert back to device pixels for the call to SetPosition. | |||
| 5320 | ||||
| 5321 | int32_t x, y; | |||
| 5322 | aError = treeOwnerAsWin->GetPosition(&x, &y); | |||
| 5323 | if (aError.Failed()) { | |||
| 5324 | return; | |||
| 5325 | } | |||
| 5326 | ||||
| 5327 | auto cssScale = CSSToDevScaleForBaseWindow(treeOwnerAsWin); | |||
| 5328 | CSSIntPoint cssPos = RoundedToInt(treeOwnerAsWin->GetPosition() / cssScale); | |||
| 5329 | ||||
| 5330 | cssPos.x += aXDif; | |||
| 5331 | cssPos.y += aYDif; | |||
| 5332 | ||||
| 5333 | CheckSecurityLeftAndTop(&cssPos.x.value, &cssPos.y.value, aCallerType); | |||
| 5334 | ||||
| 5335 | LayoutDeviceIntPoint newDevPos = RoundedToInt(cssPos * cssScale); | |||
| 5336 | aError = treeOwnerAsWin->SetPosition(newDevPos.x, newDevPos.y); | |||
| 5337 | ||||
| 5338 | CheckForDPIChange(); | |||
| 5339 | } | |||
| 5340 | ||||
| 5341 | nsresult nsGlobalWindowOuter::MoveBy(int32_t aXDif, int32_t aYDif) { | |||
| 5342 | ErrorResult rv; | |||
| 5343 | MoveByOuter(aXDif, aYDif, CallerType::System, rv); | |||
| 5344 | ||||
| 5345 | return rv.StealNSResult(); | |||
| 5346 | } | |||
| 5347 | ||||
| 5348 | void nsGlobalWindowOuter::ResizeToOuter(int32_t aWidth, int32_t aHeight, | |||
| 5349 | CallerType aCallerType, | |||
| 5350 | ErrorResult& aError) { | |||
| 5351 | /* | |||
| 5352 | * If caller is not chrome and the user has not explicitly exempted the site, | |||
| 5353 | * prevent window.resizeTo() by exiting early | |||
| 5354 | */ | |||
| 5355 | ||||
| 5356 | if (!CanMoveResizeWindows(aCallerType) || mBrowsingContext->IsSubframe()) { | |||
| 5357 | return; | |||
| 5358 | } | |||
| 5359 | ||||
| 5360 | nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow(); | |||
| 5361 | if (!treeOwnerAsWin) { | |||
| 5362 | aError.Throw(NS_ERROR_FAILURE); | |||
| 5363 | return; | |||
| 5364 | } | |||
| 5365 | ||||
| 5366 | CSSIntSize cssSize(aWidth, aHeight); | |||
| 5367 | CheckSecurityWidthAndHeight(&cssSize.width, &cssSize.height, aCallerType); | |||
| 5368 | ||||
| 5369 | LayoutDeviceIntSize devSize = | |||
| 5370 | RoundedToInt(cssSize * CSSToDevScaleForBaseWindow(treeOwnerAsWin)); | |||
| 5371 | aError = treeOwnerAsWin->SetSize(devSize.width, devSize.height, true); | |||
| 5372 | ||||
| 5373 | CheckForDPIChange(); | |||
| 5374 | } | |||
| 5375 | ||||
| 5376 | void nsGlobalWindowOuter::ResizeByOuter(int32_t aWidthDif, int32_t aHeightDif, | |||
| 5377 | CallerType aCallerType, | |||
| 5378 | ErrorResult& aError) { | |||
| 5379 | /* | |||
| 5380 | * If caller is not chrome and the user has not explicitly exempted the site, | |||
| 5381 | * prevent window.resizeBy() by exiting early | |||
| 5382 | */ | |||
| 5383 | ||||
| 5384 | if (!CanMoveResizeWindows(aCallerType) || mBrowsingContext->IsSubframe()) { | |||
| 5385 | return; | |||
| 5386 | } | |||
| 5387 | ||||
| 5388 | nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow(); | |||
| 5389 | if (!treeOwnerAsWin) { | |||
| 5390 | aError.Throw(NS_ERROR_FAILURE); | |||
| 5391 | return; | |||
| 5392 | } | |||
| 5393 | ||||
| 5394 | LayoutDeviceIntSize size = treeOwnerAsWin->GetSize(); | |||
| 5395 | ||||
| 5396 | // To do this correctly we have to convert what we got from GetSize | |||
| 5397 | // into CSS pixels, add the arguments, do the security check, and | |||
| 5398 | // then convert back to device pixels for the call to SetSize. | |||
| 5399 | ||||
| 5400 | auto scale = CSSToDevScaleForBaseWindow(treeOwnerAsWin); | |||
| 5401 | CSSIntSize cssSize = RoundedToInt(size / scale); | |||
| 5402 | ||||
| 5403 | cssSize.width += aWidthDif; | |||
| 5404 | cssSize.height += aHeightDif; | |||
| 5405 | ||||
| 5406 | CheckSecurityWidthAndHeight(&cssSize.width, &cssSize.height, aCallerType); | |||
| 5407 | ||||
| 5408 | LayoutDeviceIntSize newDevSize = RoundedToInt(cssSize * scale); | |||
| 5409 | ||||
| 5410 | aError = treeOwnerAsWin->SetSize(newDevSize.width, newDevSize.height, true); | |||
| 5411 | ||||
| 5412 | CheckForDPIChange(); | |||
| 5413 | } | |||
| 5414 | ||||
| 5415 | void nsGlobalWindowOuter::SizeToContentOuter( | |||
| 5416 | CallerType aCallerType, const SizeToContentConstraints& aConstraints, | |||
| 5417 | ErrorResult& aError) { | |||
| 5418 | if (!mDocShell) { | |||
| 5419 | return; | |||
| 5420 | } | |||
| 5421 | ||||
| 5422 | /* | |||
| 5423 | * If caller is not chrome and the user has not explicitly exempted the site, | |||
| 5424 | * prevent window.sizeToContent() by exiting early | |||
| 5425 | */ | |||
| 5426 | ||||
| 5427 | if (!CanMoveResizeWindows(aCallerType) || mBrowsingContext->IsSubframe()) { | |||
| 5428 | return; | |||
| 5429 | } | |||
| 5430 | ||||
| 5431 | // The content viewer does a check to make sure that it's a content | |||
| 5432 | // viewer for a toplevel docshell. | |||
| 5433 | nsCOMPtr<nsIDocumentViewer> viewer; | |||
| 5434 | mDocShell->GetDocViewer(getter_AddRefs(viewer)); | |||
| 5435 | if (!viewer) { | |||
| 5436 | return aError.Throw(NS_ERROR_FAILURE); | |||
| 5437 | } | |||
| 5438 | ||||
| 5439 | auto contentSize = viewer->GetContentSize( | |||
| 5440 | aConstraints.mMaxWidth, aConstraints.mMaxHeight, aConstraints.mPrefWidth); | |||
| 5441 | if (!contentSize) { | |||
| 5442 | return aError.Throw(NS_ERROR_FAILURE); | |||
| 5443 | } | |||
| 5444 | ||||
| 5445 | // Make sure the new size is following the CheckSecurityWidthAndHeight | |||
| 5446 | // rules. | |||
| 5447 | nsCOMPtr<nsIDocShellTreeOwner> treeOwner = GetTreeOwner(); | |||
| 5448 | if (!treeOwner) { | |||
| 5449 | return aError.Throw(NS_ERROR_FAILURE); | |||
| 5450 | } | |||
| 5451 | ||||
| 5452 | // Don't use DevToCSSIntPixelsForBaseWindow() nor | |||
| 5453 | // CSSToDevIntPixelsForBaseWindow() here because contentSize is comes from | |||
| 5454 | // nsIDocumentViewer::GetContentSize() and it's computed with nsPresContext so | |||
| 5455 | // that we need to work with nsPresContext here too. | |||
| 5456 | RefPtr<nsPresContext> presContext = viewer->GetPresContext(); | |||
| 5457 | MOZ_ASSERT(do { static_assert( mozilla::detail::AssertionConditionType< decltype(presContext)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(presContext))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("presContext" " (" "Should be non-nullptr if nsIDocumentViewer::GetContentSize() succeeded" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5459); AnnotateMozCrashReason("MOZ_ASSERT" "(" "presContext" ") (" "Should be non-nullptr if nsIDocumentViewer::GetContentSize() succeeded" ")"); do { *((volatile int*)__null) = 5459; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 5458 | presContext,do { static_assert( mozilla::detail::AssertionConditionType< decltype(presContext)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(presContext))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("presContext" " (" "Should be non-nullptr if nsIDocumentViewer::GetContentSize() succeeded" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5459); AnnotateMozCrashReason("MOZ_ASSERT" "(" "presContext" ") (" "Should be non-nullptr if nsIDocumentViewer::GetContentSize() succeeded" ")"); do { *((volatile int*)__null) = 5459; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 5459 | "Should be non-nullptr if nsIDocumentViewer::GetContentSize() succeeded")do { static_assert( mozilla::detail::AssertionConditionType< decltype(presContext)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(presContext))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("presContext" " (" "Should be non-nullptr if nsIDocumentViewer::GetContentSize() succeeded" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5459); AnnotateMozCrashReason("MOZ_ASSERT" "(" "presContext" ") (" "Should be non-nullptr if nsIDocumentViewer::GetContentSize() succeeded" ")"); do { *((volatile int*)__null) = 5459; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 5460 | CSSIntSize cssSize = *contentSize; | |||
| 5461 | CheckSecurityWidthAndHeight(&cssSize.width, &cssSize.height, aCallerType); | |||
| 5462 | ||||
| 5463 | LayoutDeviceIntSize newDevSize( | |||
| 5464 | presContext->CSSPixelsToDevPixels(cssSize.width), | |||
| 5465 | presContext->CSSPixelsToDevPixels(cssSize.height)); | |||
| 5466 | ||||
| 5467 | nsCOMPtr<nsIDocShell> docShell = mDocShell; | |||
| 5468 | aError = | |||
| 5469 | treeOwner->SizeShellTo(docShell, newDevSize.width, newDevSize.height); | |||
| 5470 | } | |||
| 5471 | ||||
| 5472 | already_AddRefed<nsPIWindowRoot> nsGlobalWindowOuter::GetTopWindowRoot() { | |||
| 5473 | nsPIDOMWindowOuter* piWin = GetPrivateRoot(); | |||
| 5474 | if (!piWin) { | |||
| 5475 | return nullptr; | |||
| 5476 | } | |||
| 5477 | ||||
| 5478 | nsCOMPtr<nsPIWindowRoot> window = | |||
| 5479 | do_QueryInterface(piWin->GetChromeEventHandler()); | |||
| 5480 | return window.forget(); | |||
| 5481 | } | |||
| 5482 | ||||
| 5483 | void nsGlobalWindowOuter::FirePopupBlockedEvent( | |||
| 5484 | Document* aDoc, nsIURI* aPopupURI, const nsAString& aPopupWindowName, | |||
| 5485 | const nsAString& aPopupWindowFeatures) { | |||
| 5486 | MOZ_ASSERT(aDoc)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aDoc)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(aDoc))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("aDoc", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5486); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aDoc" ")"); do { *((volatile int*)__null) = 5486; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 5487 | ||||
| 5488 | // Fire a "DOMPopupBlocked" event so that the UI can hear about | |||
| 5489 | // blocked popups. | |||
| 5490 | PopupBlockedEventInit init; | |||
| 5491 | init.mBubbles = true; | |||
| 5492 | init.mCancelable = true; | |||
| 5493 | // XXX: This is a different object, but webidl requires an inner window here | |||
| 5494 | // now. | |||
| 5495 | init.mRequestingWindow = GetCurrentInnerWindowInternal(this); | |||
| 5496 | init.mPopupWindowURI = aPopupURI; | |||
| 5497 | init.mPopupWindowName = aPopupWindowName; | |||
| 5498 | init.mPopupWindowFeatures = aPopupWindowFeatures; | |||
| 5499 | ||||
| 5500 | RefPtr<PopupBlockedEvent> event = | |||
| 5501 | PopupBlockedEvent::Constructor(aDoc, u"DOMPopupBlocked"_ns, init); | |||
| 5502 | ||||
| 5503 | event->SetTrusted(true); | |||
| 5504 | ||||
| 5505 | aDoc->DispatchEvent(*event); | |||
| 5506 | } | |||
| 5507 | ||||
| 5508 | // static | |||
| 5509 | bool nsGlobalWindowOuter::CanSetProperty(const char* aPrefName) { | |||
| 5510 | // Chrome can set any property. | |||
| 5511 | if (nsContentUtils::LegacyIsCallerChromeOrNativeCode()) { | |||
| 5512 | return true; | |||
| 5513 | } | |||
| 5514 | ||||
| 5515 | // If the pref is set to true, we can not set the property | |||
| 5516 | // and vice versa. | |||
| 5517 | return !Preferences::GetBool(aPrefName, true); | |||
| 5518 | } | |||
| 5519 | ||||
| 5520 | /* If a window open is blocked, fire the appropriate DOM events. */ | |||
| 5521 | void nsGlobalWindowOuter::FireAbuseEvents( | |||
| 5522 | const nsAString& aPopupURL, const nsAString& aPopupWindowName, | |||
| 5523 | const nsAString& aPopupWindowFeatures) { | |||
| 5524 | // fetch the URI of the window requesting the opened window | |||
| 5525 | nsCOMPtr<Document> currentDoc = GetDoc(); | |||
| 5526 | nsCOMPtr<nsIURI> popupURI; | |||
| 5527 | ||||
| 5528 | // build the URI of the would-have-been popup window | |||
| 5529 | // (see nsWindowWatcher::URIfromURL) | |||
| 5530 | ||||
| 5531 | // first, fetch the opener's base URI | |||
| 5532 | ||||
| 5533 | nsIURI* baseURL = nullptr; | |||
| 5534 | ||||
| 5535 | nsCOMPtr<Document> doc = GetEntryDocument(); | |||
| 5536 | if (doc) baseURL = doc->GetDocBaseURI(); | |||
| 5537 | ||||
| 5538 | // use the base URI to build what would have been the popup's URI | |||
| 5539 | nsCOMPtr<nsIIOService> ios(do_GetService(NS_IOSERVICE_CONTRACTID"@mozilla.org/network/io-service;1")); | |||
| 5540 | if (ios) | |||
| 5541 | ios->NewURI(NS_ConvertUTF16toUTF8(aPopupURL), nullptr, baseURL, | |||
| 5542 | getter_AddRefs(popupURI)); | |||
| 5543 | ||||
| 5544 | // fire an event block full of informative URIs | |||
| 5545 | FirePopupBlockedEvent(currentDoc, popupURI, aPopupWindowName, | |||
| 5546 | aPopupWindowFeatures); | |||
| 5547 | } | |||
| 5548 | ||||
| 5549 | Nullable<WindowProxyHolder> nsGlobalWindowOuter::OpenOuter( | |||
| 5550 | const nsAString& aUrl, const nsAString& aName, const nsAString& aOptions, | |||
| 5551 | ErrorResult& aError) { | |||
| 5552 | RefPtr<BrowsingContext> bc; | |||
| 5553 | nsresult rv = OpenJS(aUrl, aName, aOptions, getter_AddRefs(bc)); | |||
| 5554 | if (rv == NS_ERROR_MALFORMED_URI) { | |||
| 5555 | aError.ThrowSyntaxError("Unable to open a window with invalid URL '"_ns + | |||
| 5556 | NS_ConvertUTF16toUTF8(aUrl) + "'."_ns); | |||
| 5557 | return nullptr; | |||
| 5558 | } | |||
| 5559 | ||||
| 5560 | // XXX Is it possible that some internal errors are thrown here? | |||
| 5561 | aError = rv; | |||
| 5562 | ||||
| 5563 | if (!bc) { | |||
| 5564 | return nullptr; | |||
| 5565 | } | |||
| 5566 | return WindowProxyHolder(std::move(bc)); | |||
| 5567 | } | |||
| 5568 | ||||
| 5569 | nsresult nsGlobalWindowOuter::Open(const nsAString& aUrl, | |||
| 5570 | const nsAString& aName, | |||
| 5571 | const nsAString& aOptions, | |||
| 5572 | nsDocShellLoadState* aLoadState, | |||
| 5573 | bool aForceNoOpener, | |||
| 5574 | BrowsingContext** _retval) { | |||
| 5575 | return OpenInternal(aUrl, aName, aOptions, | |||
| 5576 | false, // aDialog | |||
| 5577 | false, // aContentModal | |||
| 5578 | true, // aCalledNoScript | |||
| 5579 | false, // aDoJSFixups | |||
| 5580 | true, // aNavigate | |||
| 5581 | nullptr, nullptr, // No args | |||
| 5582 | aLoadState, aForceNoOpener, PrintKind::None, _retval); | |||
| 5583 | } | |||
| 5584 | ||||
| 5585 | nsresult nsGlobalWindowOuter::OpenJS(const nsAString& aUrl, | |||
| 5586 | const nsAString& aName, | |||
| 5587 | const nsAString& aOptions, | |||
| 5588 | BrowsingContext** _retval) { | |||
| 5589 | return OpenInternal(aUrl, aName, aOptions, | |||
| 5590 | false, // aDialog | |||
| 5591 | false, // aContentModal | |||
| 5592 | false, // aCalledNoScript | |||
| 5593 | true, // aDoJSFixups | |||
| 5594 | true, // aNavigate | |||
| 5595 | nullptr, nullptr, // No args | |||
| 5596 | nullptr, // aLoadState | |||
| 5597 | false, // aForceNoOpener | |||
| 5598 | PrintKind::None, _retval); | |||
| 5599 | } | |||
| 5600 | ||||
| 5601 | // like Open, but attaches to the new window any extra parameters past | |||
| 5602 | // [features] as a JS property named "arguments" | |||
| 5603 | nsresult nsGlobalWindowOuter::OpenDialog(const nsAString& aUrl, | |||
| 5604 | const nsAString& aName, | |||
| 5605 | const nsAString& aOptions, | |||
| 5606 | nsISupports* aExtraArgument, | |||
| 5607 | BrowsingContext** _retval) { | |||
| 5608 | return OpenInternal(aUrl, aName, aOptions, | |||
| 5609 | true, // aDialog | |||
| 5610 | false, // aContentModal | |||
| 5611 | true, // aCalledNoScript | |||
| 5612 | false, // aDoJSFixups | |||
| 5613 | true, // aNavigate | |||
| 5614 | nullptr, aExtraArgument, // Arguments | |||
| 5615 | nullptr, // aLoadState | |||
| 5616 | false, // aForceNoOpener | |||
| 5617 | PrintKind::None, _retval); | |||
| 5618 | } | |||
| 5619 | ||||
| 5620 | // Like Open, but passes aNavigate=false. | |||
| 5621 | /* virtual */ | |||
| 5622 | nsresult nsGlobalWindowOuter::OpenNoNavigate(const nsAString& aUrl, | |||
| 5623 | const nsAString& aName, | |||
| 5624 | const nsAString& aOptions, | |||
| 5625 | BrowsingContext** _retval) { | |||
| 5626 | return OpenInternal(aUrl, aName, aOptions, | |||
| 5627 | false, // aDialog | |||
| 5628 | false, // aContentModal | |||
| 5629 | true, // aCalledNoScript | |||
| 5630 | false, // aDoJSFixups | |||
| 5631 | false, // aNavigate | |||
| 5632 | nullptr, nullptr, // No args | |||
| 5633 | nullptr, // aLoadState | |||
| 5634 | false, // aForceNoOpener | |||
| 5635 | PrintKind::None, _retval); | |||
| 5636 | } | |||
| 5637 | ||||
| 5638 | Nullable<WindowProxyHolder> nsGlobalWindowOuter::OpenDialogOuter( | |||
| 5639 | JSContext* aCx, const nsAString& aUrl, const nsAString& aName, | |||
| 5640 | const nsAString& aOptions, const Sequence<JS::Value>& aExtraArgument, | |||
| 5641 | ErrorResult& aError) { | |||
| 5642 | nsCOMPtr<nsIJSArgArray> argvArray; | |||
| 5643 | aError = | |||
| 5644 | NS_CreateJSArgv(aCx, aExtraArgument.Length(), aExtraArgument.Elements(), | |||
| 5645 | getter_AddRefs(argvArray)); | |||
| 5646 | if (aError.Failed()) { | |||
| 5647 | return nullptr; | |||
| 5648 | } | |||
| 5649 | ||||
| 5650 | RefPtr<BrowsingContext> dialog; | |||
| 5651 | aError = OpenInternal(aUrl, aName, aOptions, | |||
| 5652 | true, // aDialog | |||
| 5653 | false, // aContentModal | |||
| 5654 | false, // aCalledNoScript | |||
| 5655 | false, // aDoJSFixups | |||
| 5656 | true, // aNavigate | |||
| 5657 | argvArray, nullptr, // Arguments | |||
| 5658 | nullptr, // aLoadState | |||
| 5659 | false, // aForceNoOpener | |||
| 5660 | PrintKind::None, getter_AddRefs(dialog)); | |||
| 5661 | if (!dialog) { | |||
| 5662 | return nullptr; | |||
| 5663 | } | |||
| 5664 | return WindowProxyHolder(std::move(dialog)); | |||
| 5665 | } | |||
| 5666 | ||||
| 5667 | WindowProxyHolder nsGlobalWindowOuter::GetFramesOuter() { | |||
| 5668 | RefPtr<nsPIDOMWindowOuter> frames(this); | |||
| 5669 | FlushPendingNotifications(FlushType::ContentAndNotify); | |||
| 5670 | return WindowProxyHolder(mBrowsingContext); | |||
| 5671 | } | |||
| 5672 | ||||
| 5673 | /* static */ | |||
| 5674 | bool nsGlobalWindowOuter::GatherPostMessageData( | |||
| 5675 | JSContext* aCx, const nsAString& aTargetOrigin, BrowsingContext** aSource, | |||
| 5676 | nsAString& aOrigin, nsIURI** aTargetOriginURI, | |||
| 5677 | nsIPrincipal** aCallerPrincipal, nsGlobalWindowInner** aCallerInnerWindow, | |||
| 5678 | nsIURI** aCallerURI, Maybe<nsID>* aCallerAgentClusterId, | |||
| 5679 | nsACString* aScriptLocation, ErrorResult& aError) { | |||
| 5680 | // | |||
| 5681 | // Window.postMessage is an intentional subversion of the same-origin policy. | |||
| 5682 | // As such, this code must be particularly careful in the information it | |||
| 5683 | // exposes to calling code. | |||
| 5684 | // | |||
| 5685 | // http://www.whatwg.org/specs/web-apps/current-work/multipage/section-crossDocumentMessages.html | |||
| 5686 | // | |||
| 5687 | ||||
| 5688 | // First, get the caller's window | |||
| 5689 | RefPtr<nsGlobalWindowInner> callerInnerWin = | |||
| 5690 | nsContentUtils::IncumbentInnerWindow(); | |||
| 5691 | nsIPrincipal* callerPrin; | |||
| 5692 | if (callerInnerWin) { | |||
| 5693 | RefPtr<Document> doc = callerInnerWin->GetExtantDoc(); | |||
| 5694 | if (!doc) { | |||
| 5695 | return false; | |||
| 5696 | } | |||
| 5697 | NS_IF_ADDREF(*aCallerURI = doc->GetDocumentURI())ns_if_addref(*aCallerURI = doc->GetDocumentURI()); | |||
| 5698 | ||||
| 5699 | // Compute the caller's origin either from its principal or, in the case the | |||
| 5700 | // principal doesn't carry a URI (e.g. the system principal), the caller's | |||
| 5701 | // document. We must get this now instead of when the event is created and | |||
| 5702 | // dispatched, because ultimately it is the identity of the calling window | |||
| 5703 | // *now* that determines who sent the message (and not an identity which | |||
| 5704 | // might have changed due to intervening navigations). | |||
| 5705 | callerPrin = callerInnerWin->GetPrincipal(); | |||
| 5706 | } else { | |||
| 5707 | // In case the global is not a window, it can be a sandbox, and the | |||
| 5708 | // sandbox's principal can be used for the security check. | |||
| 5709 | nsIGlobalObject* global = GetIncumbentGlobal(); | |||
| 5710 | NS_ASSERTION(global, "Why is there no global object?")do { if (!(global)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Why is there no global object?" , "global", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5710); MOZ_PretendNoReturn(); } } while (0); | |||
| 5711 | callerPrin = global->PrincipalOrNull(); | |||
| 5712 | if (callerPrin) { | |||
| 5713 | BasePrincipal::Cast(callerPrin)->GetScriptLocation(*aScriptLocation); | |||
| 5714 | } | |||
| 5715 | } | |||
| 5716 | if (!callerPrin) { | |||
| 5717 | return false; | |||
| 5718 | } | |||
| 5719 | ||||
| 5720 | // if the principal has a URI, use that to generate the origin | |||
| 5721 | if (!callerPrin->IsSystemPrincipal()) { | |||
| 5722 | nsAutoCString webExposedOriginSerialization; | |||
| 5723 | callerPrin->GetWebExposedOriginSerialization(webExposedOriginSerialization); | |||
| 5724 | CopyUTF8toUTF16(webExposedOriginSerialization, aOrigin); | |||
| 5725 | } else if (callerInnerWin) { | |||
| 5726 | if (!*aCallerURI) { | |||
| 5727 | return false; | |||
| 5728 | } | |||
| 5729 | // otherwise use the URI of the document to generate origin | |||
| 5730 | nsContentUtils::GetWebExposedOriginSerialization(*aCallerURI, aOrigin); | |||
| 5731 | } else { | |||
| 5732 | // in case of a sandbox with a system principal origin can be empty | |||
| 5733 | if (!callerPrin->IsSystemPrincipal()) { | |||
| 5734 | return false; | |||
| 5735 | } | |||
| 5736 | } | |||
| 5737 | NS_IF_ADDREF(*aCallerPrincipal = callerPrin)ns_if_addref(*aCallerPrincipal = callerPrin); | |||
| 5738 | ||||
| 5739 | // "/" indicates same origin as caller, "*" indicates no specific origin is | |||
| 5740 | // required. | |||
| 5741 | if (!aTargetOrigin.EqualsASCII("/") && !aTargetOrigin.EqualsASCII("*")) { | |||
| 5742 | nsCOMPtr<nsIURI> targetOriginURI; | |||
| 5743 | if (NS_FAILED(NS_NewURI(getter_AddRefs(targetOriginURI), aTargetOrigin))((bool)(__builtin_expect(!!(NS_FAILED_impl(NS_NewURI(getter_AddRefs (targetOriginURI), aTargetOrigin))), 0)))) { | |||
| 5744 | aError.Throw(NS_ERROR_DOM_SYNTAX_ERR); | |||
| 5745 | return false; | |||
| 5746 | } | |||
| 5747 | ||||
| 5748 | nsresult rv = NS_MutateURI(targetOriginURI) | |||
| 5749 | .SetUserPass(""_ns) | |||
| 5750 | .SetPathQueryRef(""_ns) | |||
| 5751 | .Finalize(aTargetOriginURI); | |||
| 5752 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { | |||
| 5753 | return false; | |||
| 5754 | } | |||
| 5755 | } | |||
| 5756 | ||||
| 5757 | if (!nsContentUtils::IsCallerChrome() && callerInnerWin && | |||
| 5758 | callerInnerWin->GetOuterWindowInternal()) { | |||
| 5759 | NS_ADDREF(*aSource = callerInnerWin->GetOuterWindowInternal()(*aSource = callerInnerWin->GetOuterWindowInternal() -> GetBrowsingContext())->AddRef() | |||
| 5760 | ->GetBrowsingContext())(*aSource = callerInnerWin->GetOuterWindowInternal() -> GetBrowsingContext())->AddRef(); | |||
| 5761 | } else { | |||
| 5762 | *aSource = nullptr; | |||
| 5763 | } | |||
| 5764 | ||||
| 5765 | if (aCallerAgentClusterId && callerInnerWin && | |||
| 5766 | callerInnerWin->GetDocGroup()) { | |||
| 5767 | *aCallerAgentClusterId = | |||
| 5768 | Some(callerInnerWin->GetDocGroup()->AgentClusterId()); | |||
| 5769 | } | |||
| 5770 | ||||
| 5771 | callerInnerWin.forget(aCallerInnerWindow); | |||
| 5772 | ||||
| 5773 | return true; | |||
| 5774 | } | |||
| 5775 | ||||
| 5776 | bool nsGlobalWindowOuter::GetPrincipalForPostMessage( | |||
| 5777 | const nsAString& aTargetOrigin, nsIURI* aTargetOriginURI, | |||
| 5778 | nsIPrincipal* aCallerPrincipal, nsIPrincipal& aSubjectPrincipal, | |||
| 5779 | nsIPrincipal** aProvidedPrincipal) { | |||
| 5780 | // | |||
| 5781 | // Window.postMessage is an intentional subversion of the same-origin policy. | |||
| 5782 | // As such, this code must be particularly careful in the information it | |||
| 5783 | // exposes to calling code. | |||
| 5784 | // | |||
| 5785 | // http://www.whatwg.org/specs/web-apps/current-work/multipage/section-crossDocumentMessages.html | |||
| 5786 | // | |||
| 5787 | ||||
| 5788 | // Convert the provided origin string into a URI for comparison purposes. | |||
| 5789 | nsCOMPtr<nsIPrincipal> providedPrincipal; | |||
| 5790 | ||||
| 5791 | if (aTargetOrigin.EqualsASCII("/")) { | |||
| 5792 | providedPrincipal = aCallerPrincipal; | |||
| 5793 | } | |||
| 5794 | // "*" indicates no specific origin is required. | |||
| 5795 | else if (!aTargetOrigin.EqualsASCII("*")) { | |||
| 5796 | OriginAttributes attrs = aSubjectPrincipal.OriginAttributesRef(); | |||
| 5797 | if (aSubjectPrincipal.IsSystemPrincipal()) { | |||
| 5798 | auto principal = BasePrincipal::Cast(GetPrincipal()); | |||
| 5799 | ||||
| 5800 | if (attrs != principal->OriginAttributesRef()) { | |||
| 5801 | nsAutoCString targetURL; | |||
| 5802 | nsAutoCString sourceOrigin; | |||
| 5803 | nsAutoCString targetOrigin; | |||
| 5804 | ||||
| 5805 | if (NS_FAILED(principal->GetAsciiSpec(targetURL))((bool)(__builtin_expect(!!(NS_FAILED_impl(principal->GetAsciiSpec (targetURL))), 0))) || | |||
| 5806 | NS_FAILED(principal->GetOrigin(targetOrigin))((bool)(__builtin_expect(!!(NS_FAILED_impl(principal->GetOrigin (targetOrigin))), 0))) || | |||
| 5807 | NS_FAILED(aSubjectPrincipal.GetOrigin(sourceOrigin))((bool)(__builtin_expect(!!(NS_FAILED_impl(aSubjectPrincipal. GetOrigin(sourceOrigin))), 0)))) { | |||
| 5808 | NS_WARNING("Failed to get source and target origins")NS_DebugBreak(NS_DEBUG_WARNING, "Failed to get source and target origins" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5808); | |||
| 5809 | return false; | |||
| 5810 | } | |||
| 5811 | ||||
| 5812 | nsContentUtils::LogSimpleConsoleError( | |||
| 5813 | NS_ConvertUTF8toUTF16(nsPrintfCString( | |||
| 5814 | R"(Attempting to post a message to window with url "%s" and )" | |||
| 5815 | R"(origin "%s" from a system principal scope with mismatched )" | |||
| 5816 | R"(origin "%s".)", | |||
| 5817 | targetURL.get(), targetOrigin.get(), sourceOrigin.get())), | |||
| 5818 | "DOM"_ns, !!principal->PrivateBrowsingId(), | |||
| 5819 | principal->IsSystemPrincipal()); | |||
| 5820 | ||||
| 5821 | attrs = principal->OriginAttributesRef(); | |||
| 5822 | } | |||
| 5823 | } | |||
| 5824 | ||||
| 5825 | // Create a nsIPrincipal inheriting the app/browser attributes from the | |||
| 5826 | // caller. | |||
| 5827 | providedPrincipal = | |||
| 5828 | BasePrincipal::CreateContentPrincipal(aTargetOriginURI, attrs); | |||
| 5829 | if (NS_WARN_IF(!providedPrincipal)NS_warn_if_impl(!providedPrincipal, "!providedPrincipal", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5829)) { | |||
| 5830 | return false; | |||
| 5831 | } | |||
| 5832 | } else { | |||
| 5833 | // We still need to check the originAttributes if the target origin is '*'. | |||
| 5834 | // But we will ingore the FPD here since the FPDs are possible to be | |||
| 5835 | // different. | |||
| 5836 | auto principal = BasePrincipal::Cast(GetPrincipal()); | |||
| 5837 | NS_ENSURE_TRUE(principal, false)do { if ((__builtin_expect(!!(!(principal)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "principal" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5837); return false; } } while (false); | |||
| 5838 | ||||
| 5839 | OriginAttributes targetAttrs = principal->OriginAttributesRef(); | |||
| 5840 | OriginAttributes sourceAttrs = aSubjectPrincipal.OriginAttributesRef(); | |||
| 5841 | // We have to exempt the check of OA if the subject prioncipal is a system | |||
| 5842 | // principal since there are many tests try to post messages to content from | |||
| 5843 | // chrome with a mismatch OA. For example, using the ContentTask.spawn() to | |||
| 5844 | // post a message into a private browsing window. The injected code in | |||
| 5845 | // ContentTask.spawn() will be executed under the system principal and the | |||
| 5846 | // OA of the system principal mismatches with the OA of a private browsing | |||
| 5847 | // window. | |||
| 5848 | MOZ_DIAGNOSTIC_ASSERT(aSubjectPrincipal.IsSystemPrincipal() ||do { static_assert( mozilla::detail::AssertionConditionType< decltype(aSubjectPrincipal.IsSystemPrincipal() || sourceAttrs .EqualsIgnoringFPD(targetAttrs))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aSubjectPrincipal.IsSystemPrincipal () || sourceAttrs.EqualsIgnoringFPD(targetAttrs)))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aSubjectPrincipal.IsSystemPrincipal() || sourceAttrs.EqualsIgnoringFPD(targetAttrs)" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5849); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "aSubjectPrincipal.IsSystemPrincipal() || sourceAttrs.EqualsIgnoringFPD(targetAttrs)" ")"); do { *((volatile int*)__null) = 5849; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 5849 | sourceAttrs.EqualsIgnoringFPD(targetAttrs))do { static_assert( mozilla::detail::AssertionConditionType< decltype(aSubjectPrincipal.IsSystemPrincipal() || sourceAttrs .EqualsIgnoringFPD(targetAttrs))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aSubjectPrincipal.IsSystemPrincipal () || sourceAttrs.EqualsIgnoringFPD(targetAttrs)))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aSubjectPrincipal.IsSystemPrincipal() || sourceAttrs.EqualsIgnoringFPD(targetAttrs)" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5849); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "aSubjectPrincipal.IsSystemPrincipal() || sourceAttrs.EqualsIgnoringFPD(targetAttrs)" ")"); do { *((volatile int*)__null) = 5849; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 5850 | ||||
| 5851 | // If 'privacy.firstparty.isolate.block_post_message' is true, we will block | |||
| 5852 | // postMessage across different first party domains. | |||
| 5853 | if (OriginAttributes::IsBlockPostMessageForFPI() && | |||
| 5854 | !aSubjectPrincipal.IsSystemPrincipal() && | |||
| 5855 | sourceAttrs.mFirstPartyDomain != targetAttrs.mFirstPartyDomain) { | |||
| 5856 | return false; | |||
| 5857 | } | |||
| 5858 | } | |||
| 5859 | ||||
| 5860 | providedPrincipal.forget(aProvidedPrincipal); | |||
| 5861 | return true; | |||
| 5862 | } | |||
| 5863 | ||||
| 5864 | void nsGlobalWindowOuter::PostMessageMozOuter(JSContext* aCx, | |||
| 5865 | JS::Handle<JS::Value> aMessage, | |||
| 5866 | const nsAString& aTargetOrigin, | |||
| 5867 | JS::Handle<JS::Value> aTransfer, | |||
| 5868 | nsIPrincipal& aSubjectPrincipal, | |||
| 5869 | ErrorResult& aError) { | |||
| 5870 | RefPtr<BrowsingContext> sourceBc; | |||
| 5871 | nsAutoString origin; | |||
| 5872 | nsCOMPtr<nsIURI> targetOriginURI; | |||
| 5873 | nsCOMPtr<nsIPrincipal> callerPrincipal; | |||
| 5874 | RefPtr<nsGlobalWindowInner> callerInnerWindow; | |||
| 5875 | nsCOMPtr<nsIURI> callerURI; | |||
| 5876 | Maybe<nsID> callerAgentClusterId = Nothing(); | |||
| 5877 | nsAutoCString scriptLocation; | |||
| 5878 | if (!GatherPostMessageData( | |||
| 5879 | aCx, aTargetOrigin, getter_AddRefs(sourceBc), origin, | |||
| 5880 | getter_AddRefs(targetOriginURI), getter_AddRefs(callerPrincipal), | |||
| 5881 | getter_AddRefs(callerInnerWindow), getter_AddRefs(callerURI), | |||
| 5882 | &callerAgentClusterId, &scriptLocation, aError)) { | |||
| 5883 | return; | |||
| 5884 | } | |||
| 5885 | ||||
| 5886 | nsCOMPtr<nsIPrincipal> providedPrincipal; | |||
| 5887 | if (!GetPrincipalForPostMessage(aTargetOrigin, targetOriginURI, | |||
| 5888 | callerPrincipal, aSubjectPrincipal, | |||
| 5889 | getter_AddRefs(providedPrincipal))) { | |||
| 5890 | return; | |||
| 5891 | } | |||
| 5892 | ||||
| 5893 | // Create and asynchronously dispatch a runnable which will handle actual DOM | |||
| 5894 | // event creation and dispatch. | |||
| 5895 | RefPtr<PostMessageEvent> event = new PostMessageEvent( | |||
| 5896 | sourceBc, origin, this, providedPrincipal, | |||
| 5897 | callerInnerWindow ? callerInnerWindow->WindowID() : 0, callerURI, | |||
| 5898 | scriptLocation, callerAgentClusterId); | |||
| 5899 | ||||
| 5900 | JS::CloneDataPolicy clonePolicy; | |||
| 5901 | ||||
| 5902 | if (GetDocGroup() && callerAgentClusterId.isSome() && | |||
| 5903 | GetDocGroup()->AgentClusterId().Equals(callerAgentClusterId.value())) { | |||
| 5904 | clonePolicy.allowIntraClusterClonableSharedObjects(); | |||
| 5905 | } | |||
| 5906 | ||||
| 5907 | if (callerInnerWindow && callerInnerWindow->IsSharedMemoryAllowed()) { | |||
| 5908 | clonePolicy.allowSharedMemoryObjects(); | |||
| 5909 | } | |||
| 5910 | ||||
| 5911 | event->Write(aCx, aMessage, aTransfer, clonePolicy, aError); | |||
| 5912 | if (NS_WARN_IF(aError.Failed())NS_warn_if_impl(aError.Failed(), "aError.Failed()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 5912)) { | |||
| 5913 | return; | |||
| 5914 | } | |||
| 5915 | ||||
| 5916 | event->DispatchToTargetThread(aError); | |||
| 5917 | } | |||
| 5918 | ||||
| 5919 | class nsCloseEvent : public Runnable { | |||
| 5920 | RefPtr<nsGlobalWindowOuter> mWindow; | |||
| 5921 | bool mIndirect; | |||
| 5922 | ||||
| 5923 | nsCloseEvent(nsGlobalWindowOuter* aWindow, bool aIndirect) | |||
| 5924 | : mozilla::Runnable("nsCloseEvent"), | |||
| 5925 | mWindow(aWindow), | |||
| 5926 | mIndirect(aIndirect) {} | |||
| 5927 | ||||
| 5928 | public: | |||
| 5929 | static nsresult PostCloseEvent(nsGlobalWindowOuter* aWindow, bool aIndirect) { | |||
| 5930 | nsCOMPtr<nsIRunnable> ev = new nsCloseEvent(aWindow, aIndirect); | |||
| 5931 | return aWindow->Dispatch(ev.forget()); | |||
| 5932 | } | |||
| 5933 | ||||
| 5934 | NS_IMETHODvirtual nsresult Run() override { | |||
| 5935 | if (mWindow) { | |||
| 5936 | if (mIndirect) { | |||
| 5937 | return PostCloseEvent(mWindow, false); | |||
| 5938 | } | |||
| 5939 | mWindow->ReallyCloseWindow(); | |||
| 5940 | } | |||
| 5941 | return NS_OK; | |||
| 5942 | } | |||
| 5943 | }; | |||
| 5944 | ||||
| 5945 | bool nsGlobalWindowOuter::CanClose() { | |||
| 5946 | if (mIsChrome) { | |||
| 5947 | nsCOMPtr<nsIBrowserDOMWindow> bwin = GetBrowserDOMWindow(); | |||
| 5948 | ||||
| 5949 | bool canClose = true; | |||
| 5950 | if (bwin && NS_SUCCEEDED(bwin->CanClose(&canClose))((bool)(__builtin_expect(!!(!NS_FAILED_impl(bwin->CanClose (&canClose))), 1)))) { | |||
| 5951 | return canClose; | |||
| 5952 | } | |||
| 5953 | } | |||
| 5954 | ||||
| 5955 | if (!mDocShell) { | |||
| 5956 | return true; | |||
| 5957 | } | |||
| 5958 | ||||
| 5959 | nsCOMPtr<nsIDocumentViewer> viewer; | |||
| 5960 | mDocShell->GetDocViewer(getter_AddRefs(viewer)); | |||
| 5961 | if (viewer) { | |||
| 5962 | bool canClose; | |||
| 5963 | nsresult rv = viewer->PermitUnload(&canClose); | |||
| 5964 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1))) && !canClose) return false; | |||
| 5965 | } | |||
| 5966 | ||||
| 5967 | // If we still have to print, we delay the closing until print has happened. | |||
| 5968 | if (mShouldDelayPrintUntilAfterLoad && mDelayedPrintUntilAfterLoad) { | |||
| 5969 | mDelayedCloseForPrinting = true; | |||
| 5970 | return false; | |||
| 5971 | } | |||
| 5972 | ||||
| 5973 | return true; | |||
| 5974 | } | |||
| 5975 | ||||
| 5976 | void nsGlobalWindowOuter::CloseOuter(bool aTrustedCaller) { | |||
| 5977 | if (!mDocShell || IsInModalState() || mBrowsingContext->IsSubframe()) { | |||
| 5978 | // window.close() is called on a frame in a frameset, on a window | |||
| 5979 | // that's already closed, or on a window for which there's | |||
| 5980 | // currently a modal dialog open. Ignore such calls. | |||
| 5981 | return; | |||
| 5982 | } | |||
| 5983 | ||||
| 5984 | if (mHavePendingClose) { | |||
| 5985 | // We're going to be closed anyway; do nothing since we don't want | |||
| 5986 | // to double-close | |||
| 5987 | return; | |||
| 5988 | } | |||
| 5989 | ||||
| 5990 | if (mBlockScriptedClosingFlag) { | |||
| 5991 | // A script's popup has been blocked and we don't want | |||
| 5992 | // the window to be closed directly after this event, | |||
| 5993 | // so the user can see that there was a blocked popup. | |||
| 5994 | return; | |||
| 5995 | } | |||
| 5996 | ||||
| 5997 | // Don't allow scripts from content to close non-neterror windows that | |||
| 5998 | // were not opened by script. | |||
| 5999 | if (mDoc) { | |||
| 6000 | nsAutoString url; | |||
| 6001 | nsresult rv = mDoc->GetURL(url); | |||
| 6002 | NS_ENSURE_SUCCESS_VOID(rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS_VOID(%s) failed with " "result 0x%" "X" "%s%s%s", "rv", static_cast<uint32_t> (__rv), name ? " (" : "", name ? name : "", name ? ")" : ""); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6002); return; } } while (false); | |||
| 6003 | ||||
| 6004 | if (!StringBeginsWith(url, u"about:neterror"_ns) && | |||
| 6005 | !mBrowsingContext->GetTopLevelCreatedByWebContent() && | |||
| 6006 | !aTrustedCaller && !IsOnlyTopLevelDocumentInSHistory()) { | |||
| 6007 | bool allowClose = | |||
| 6008 | mAllowScriptsToClose || | |||
| 6009 | Preferences::GetBool("dom.allow_scripts_to_close_windows", true); | |||
| 6010 | if (!allowClose) { | |||
| 6011 | // We're blocking the close operation | |||
| 6012 | // report localized error msg in JS console | |||
| 6013 | nsContentUtils::ReportToConsole(nsIScriptError::warningFlag, | |||
| 6014 | "DOM Window"_ns, | |||
| 6015 | mDoc, // Better name for the category? | |||
| 6016 | nsContentUtils::eDOM_PROPERTIES, | |||
| 6017 | "WindowCloseByScriptBlockedWarning"); | |||
| 6018 | ||||
| 6019 | return; | |||
| 6020 | } | |||
| 6021 | } | |||
| 6022 | } | |||
| 6023 | ||||
| 6024 | if (!mInClose && !mIsClosed && !CanClose()) { | |||
| 6025 | return; | |||
| 6026 | } | |||
| 6027 | ||||
| 6028 | // Fire a DOM event notifying listeners that this window is about to | |||
| 6029 | // be closed. The tab UI code may choose to cancel the default | |||
| 6030 | // action for this event, if so, we won't actually close the window | |||
| 6031 | // (since the tab UI code will close the tab in stead). Sure, this | |||
| 6032 | // could be abused by content code, but do we care? I don't think | |||
| 6033 | // so... | |||
| 6034 | ||||
| 6035 | bool wasInClose = mInClose; | |||
| 6036 | mInClose = true; | |||
| 6037 | ||||
| 6038 | if (!DispatchCustomEvent(u"DOMWindowClose"_ns, ChromeOnlyDispatch::eYes)) { | |||
| 6039 | // Someone chose to prevent the default action for this event, if | |||
| 6040 | // so, let's not close this window after all... | |||
| 6041 | ||||
| 6042 | mInClose = wasInClose; | |||
| 6043 | return; | |||
| 6044 | } | |||
| 6045 | ||||
| 6046 | FinalClose(); | |||
| 6047 | } | |||
| 6048 | ||||
| 6049 | bool nsGlobalWindowOuter::IsOnlyTopLevelDocumentInSHistory() { | |||
| 6050 | NS_ENSURE_TRUE(mDocShell && mBrowsingContext, false)do { if ((__builtin_expect(!!(!(mDocShell && mBrowsingContext )), 0))) { NS_DebugBreak(NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mDocShell && mBrowsingContext" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6050); return false; } } while (false); | |||
| 6051 | // Disabled since IsFrame() is buggy in Fission | |||
| 6052 | // MOZ_ASSERT(mBrowsingContext->IsTop()); | |||
| 6053 | ||||
| 6054 | if (mozilla::SessionHistoryInParent()) { | |||
| 6055 | return mBrowsingContext->GetIsSingleToplevelInHistory(); | |||
| 6056 | } | |||
| 6057 | ||||
| 6058 | RefPtr<ChildSHistory> csh = nsDocShell::Cast(mDocShell)->GetSessionHistory(); | |||
| 6059 | if (csh && csh->LegacySHistory()) { | |||
| 6060 | return csh->LegacySHistory()->IsEmptyOrHasEntriesForSingleTopLevelPage(); | |||
| 6061 | } | |||
| 6062 | ||||
| 6063 | return false; | |||
| 6064 | } | |||
| 6065 | ||||
| 6066 | nsresult nsGlobalWindowOuter::Close() { | |||
| 6067 | CloseOuter(/* aTrustedCaller = */ true); | |||
| 6068 | return NS_OK; | |||
| 6069 | } | |||
| 6070 | ||||
| 6071 | void nsGlobalWindowOuter::ForceClose() { | |||
| 6072 | MOZ_ASSERT(XRE_GetProcessType() == GeckoProcessType_Default)do { static_assert( mozilla::detail::AssertionConditionType< decltype(XRE_GetProcessType() == GeckoProcessType_Default)> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(XRE_GetProcessType() == GeckoProcessType_Default))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("XRE_GetProcessType() == GeckoProcessType_Default" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6072); AnnotateMozCrashReason("MOZ_ASSERT" "(" "XRE_GetProcessType() == GeckoProcessType_Default" ")"); do { *((volatile int*)__null) = 6072; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 6073 | ||||
| 6074 | if (mBrowsingContext->IsSubframe() || !mDocShell) { | |||
| 6075 | // This may be a frame in a frameset, or a window that's already closed. | |||
| 6076 | // Ignore such calls. | |||
| 6077 | return; | |||
| 6078 | } | |||
| 6079 | ||||
| 6080 | if (mHavePendingClose) { | |||
| 6081 | // We're going to be closed anyway; do nothing since we don't want | |||
| 6082 | // to double-close | |||
| 6083 | return; | |||
| 6084 | } | |||
| 6085 | ||||
| 6086 | mInClose = true; | |||
| 6087 | ||||
| 6088 | DispatchCustomEvent(u"DOMWindowClose"_ns, ChromeOnlyDispatch::eYes); | |||
| 6089 | ||||
| 6090 | FinalClose(); | |||
| 6091 | } | |||
| 6092 | ||||
| 6093 | void nsGlobalWindowOuter::FinalClose() { | |||
| 6094 | // Flag that we were closed. | |||
| 6095 | mIsClosed = true; | |||
| 6096 | ||||
| 6097 | if (!mBrowsingContext->IsDiscarded()) { | |||
| 6098 | MOZ_ALWAYS_SUCCEEDS(mBrowsingContext->SetClosed(true))do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl (mBrowsingContext->SetClosed(true))), 1)))), 1))) { } else { do { static_assert( mozilla::detail::AssertionConditionType <decltype(false)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("false" " (" "NS_SUCCEEDED(mBrowsingContext->SetClosed(true))" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6098); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "false" ") (" "NS_SUCCEEDED(mBrowsingContext->SetClosed(true))" ")" ); do { *((volatile int*)__null) = 6098; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); } } while ( false); | |||
| 6099 | } | |||
| 6100 | ||||
| 6101 | // If we get here from CloseOuter then it means that the parent process is | |||
| 6102 | // going to close our window for us. It's just important to set mIsClosed. | |||
| 6103 | if (XRE_GetProcessType() == GeckoProcessType_Content) { | |||
| 6104 | return; | |||
| 6105 | } | |||
| 6106 | ||||
| 6107 | // This stuff is non-sensical but incredibly fragile. The reasons for the | |||
| 6108 | // behavior here don't make sense today and may not have ever made sense, | |||
| 6109 | // but various bits of frontend code break when you change them. If you need | |||
| 6110 | // to fix up this behavior, feel free to. It's a righteous task, but involves | |||
| 6111 | // wrestling with various download manager tests, frontend code, and possible | |||
| 6112 | // broken addons. The chrome tests in toolkit/mozapps/downloads are a good | |||
| 6113 | // testing ground. | |||
| 6114 | // | |||
| 6115 | // In particular, if some inner of |win| is the entry global, we must | |||
| 6116 | // complete _two_ round-trips to the event loop before the call to | |||
| 6117 | // ReallyCloseWindow. This allows setTimeout handlers that are set after | |||
| 6118 | // FinalClose() is called to run before the window is torn down. | |||
| 6119 | nsCOMPtr<nsPIDOMWindowInner> entryWindow = | |||
| 6120 | do_QueryInterface(GetEntryGlobal()); | |||
| 6121 | bool indirect = entryWindow && entryWindow->GetOuterWindow() == this; | |||
| 6122 | if (NS_FAILED(nsCloseEvent::PostCloseEvent(this, indirect))((bool)(__builtin_expect(!!(NS_FAILED_impl(nsCloseEvent::PostCloseEvent (this, indirect))), 0)))) { | |||
| 6123 | ReallyCloseWindow(); | |||
| 6124 | } else { | |||
| 6125 | mHavePendingClose = true; | |||
| 6126 | } | |||
| 6127 | } | |||
| 6128 | ||||
| 6129 | void nsGlobalWindowOuter::ReallyCloseWindow() { | |||
| 6130 | // Make sure we never reenter this method. | |||
| 6131 | mHavePendingClose = true; | |||
| 6132 | ||||
| 6133 | nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = GetTreeOwnerWindow(); | |||
| 6134 | if (!treeOwnerAsWin) { | |||
| 6135 | return; | |||
| 6136 | } | |||
| 6137 | ||||
| 6138 | treeOwnerAsWin->Destroy(); | |||
| 6139 | CleanUp(); | |||
| 6140 | } | |||
| 6141 | ||||
| 6142 | void nsGlobalWindowOuter::SuppressEventHandling() { | |||
| 6143 | if (mSuppressEventHandlingDepth == 0) { | |||
| 6144 | if (BrowsingContext* bc = GetBrowsingContext()) { | |||
| 6145 | bc->PreOrderWalk([&](BrowsingContext* aBC) { | |||
| 6146 | if (nsCOMPtr<nsPIDOMWindowOuter> win = aBC->GetDOMWindow()) { | |||
| 6147 | if (RefPtr<Document> doc = win->GetExtantDoc()) { | |||
| 6148 | mSuspendedDocs.AppendElement(doc); | |||
| 6149 | // Note: Document::SuppressEventHandling will also automatically | |||
| 6150 | // suppress event handling for any in-process sub-documents. | |||
| 6151 | // However, since we need to deal with cases where remote | |||
| 6152 | // BrowsingContexts may be interleaved with in-process ones, we | |||
| 6153 | // still need to walk the entire tree ourselves. This may be | |||
| 6154 | // slightly redundant in some cases, but since event handling | |||
| 6155 | // suppressions maintain a count of current blockers, it does not | |||
| 6156 | // cause any problems. | |||
| 6157 | doc->SuppressEventHandling(); | |||
| 6158 | } | |||
| 6159 | } | |||
| 6160 | }); | |||
| 6161 | } | |||
| 6162 | } | |||
| 6163 | mSuppressEventHandlingDepth++; | |||
| 6164 | } | |||
| 6165 | ||||
| 6166 | void nsGlobalWindowOuter::UnsuppressEventHandling() { | |||
| 6167 | MOZ_ASSERT(mSuppressEventHandlingDepth != 0)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mSuppressEventHandlingDepth != 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mSuppressEventHandlingDepth != 0))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("mSuppressEventHandlingDepth != 0", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6167); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mSuppressEventHandlingDepth != 0" ")"); do { *((volatile int*)__null) = 6167; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 6168 | mSuppressEventHandlingDepth--; | |||
| 6169 | ||||
| 6170 | if (mSuppressEventHandlingDepth == 0 && mSuspendedDocs.Length()) { | |||
| 6171 | RefPtr<Document> currentDoc = GetExtantDoc(); | |||
| 6172 | bool fireEvent = currentDoc == mSuspendedDocs[0]; | |||
| 6173 | nsTArray<RefPtr<Document>> suspendedDocs = std::move(mSuspendedDocs); | |||
| 6174 | for (const auto& doc : suspendedDocs) { | |||
| 6175 | doc->UnsuppressEventHandlingAndFireEvents(fireEvent); | |||
| 6176 | } | |||
| 6177 | } | |||
| 6178 | } | |||
| 6179 | ||||
| 6180 | nsGlobalWindowOuter* nsGlobalWindowOuter::EnterModalState() { | |||
| 6181 | // GetInProcessScriptableTop, not GetInProcessTop, so that EnterModalState | |||
| 6182 | // works properly with <iframe mozbrowser>. | |||
| 6183 | nsGlobalWindowOuter* topWin = GetInProcessScriptableTopInternal(); | |||
| 6184 | ||||
| 6185 | if (!topWin) { | |||
| 6186 | NS_ERROR("Uh, EnterModalState() called w/o a reachable top window?")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "Uh, EnterModalState() called w/o a reachable top window?" , "Error", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6186); MOZ_PretendNoReturn(); } while (0); | |||
| 6187 | return nullptr; | |||
| 6188 | } | |||
| 6189 | ||||
| 6190 | // If there is an active ESM in this window, clear it. Otherwise, this can | |||
| 6191 | // cause a problem if a modal state is entered during a mouseup event. | |||
| 6192 | EventStateManager* activeESM = static_cast<EventStateManager*>( | |||
| 6193 | EventStateManager::GetActiveEventStateManager()); | |||
| 6194 | if (activeESM && activeESM->GetPresContext()) { | |||
| 6195 | PresShell* activePresShell = activeESM->GetPresContext()->GetPresShell(); | |||
| 6196 | if (activePresShell && (nsContentUtils::ContentIsCrossDocDescendantOf( | |||
| 6197 | activePresShell->GetDocument(), mDoc) || | |||
| 6198 | nsContentUtils::ContentIsCrossDocDescendantOf( | |||
| 6199 | mDoc, activePresShell->GetDocument()))) { | |||
| 6200 | EventStateManager::ClearGlobalActiveContent(activeESM); | |||
| 6201 | ||||
| 6202 | PresShell::ReleaseCapturingContent(); | |||
| 6203 | ||||
| 6204 | if (activePresShell) { | |||
| 6205 | RefPtr<nsFrameSelection> frameSelection = | |||
| 6206 | activePresShell->FrameSelection(); | |||
| 6207 | frameSelection->SetDragState(false); | |||
| 6208 | } | |||
| 6209 | } | |||
| 6210 | } | |||
| 6211 | ||||
| 6212 | // If there are any drag and drop operations in flight, try to end them. | |||
| 6213 | nsCOMPtr<nsIDragService> ds = | |||
| 6214 | do_GetService("@mozilla.org/widget/dragservice;1"); | |||
| 6215 | if (ds && topWin->GetDocShell()) { | |||
| 6216 | if (PresShell* presShell = topWin->GetDocShell()->GetPresShell()) { | |||
| 6217 | if (nsViewManager* vm = presShell->GetViewManager()) { | |||
| 6218 | RefPtr<nsIWidget> widget = vm->GetRootWidget(); | |||
| 6219 | if (nsCOMPtr<nsIDragSession> session = ds->GetCurrentSession(widget)) { | |||
| 6220 | session->EndDragSession(true, 0); | |||
| 6221 | } | |||
| 6222 | } | |||
| 6223 | } | |||
| 6224 | } | |||
| 6225 | ||||
| 6226 | // Clear the capturing content if it is under topDoc. | |||
| 6227 | // Usually the activeESM check above does that, but there are cases when | |||
| 6228 | // we don't have activeESM, or it is for different document. | |||
| 6229 | Document* topDoc = topWin->GetExtantDoc(); | |||
| 6230 | nsIContent* capturingContent = PresShell::GetCapturingContent(); | |||
| 6231 | if (capturingContent && topDoc && | |||
| 6232 | nsContentUtils::ContentIsCrossDocDescendantOf(capturingContent, topDoc)) { | |||
| 6233 | PresShell::ReleaseCapturingContent(); | |||
| 6234 | } | |||
| 6235 | ||||
| 6236 | if (topWin->mModalStateDepth == 0) { | |||
| 6237 | topWin->SuppressEventHandling(); | |||
| 6238 | ||||
| 6239 | if (nsGlobalWindowInner* inner = GetCurrentInnerWindowInternal(topWin)) { | |||
| 6240 | inner->Suspend(); | |||
| 6241 | } | |||
| 6242 | } | |||
| 6243 | topWin->mModalStateDepth++; | |||
| 6244 | return topWin; | |||
| 6245 | } | |||
| 6246 | ||||
| 6247 | void nsGlobalWindowOuter::LeaveModalState() { | |||
| 6248 | { | |||
| 6249 | nsGlobalWindowOuter* topWin = GetInProcessScriptableTopInternal(); | |||
| 6250 | if (!topWin) { | |||
| 6251 | NS_WARNING("Uh, LeaveModalState() called w/o a reachable top window?")NS_DebugBreak(NS_DEBUG_WARNING, "Uh, LeaveModalState() called w/o a reachable top window?" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6251); | |||
| 6252 | return; | |||
| 6253 | } | |||
| 6254 | ||||
| 6255 | if (topWin != this) { | |||
| 6256 | MOZ_ASSERT(IsSuspended())do { static_assert( mozilla::detail::AssertionConditionType< decltype(IsSuspended())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(IsSuspended()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("IsSuspended()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6256); AnnotateMozCrashReason("MOZ_ASSERT" "(" "IsSuspended()" ")"); do { *((volatile int*)__null) = 6256; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 6257 | return topWin->LeaveModalState(); | |||
| 6258 | } | |||
| 6259 | } | |||
| 6260 | ||||
| 6261 | MOZ_ASSERT(mModalStateDepth != 0)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mModalStateDepth != 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mModalStateDepth != 0))), 0) )) { do { } while (false); MOZ_ReportAssertionFailure("mModalStateDepth != 0" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6261); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mModalStateDepth != 0" ")"); do { *((volatile int*)__null) = 6261; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 6262 | MOZ_ASSERT(IsSuspended())do { static_assert( mozilla::detail::AssertionConditionType< decltype(IsSuspended())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(IsSuspended()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("IsSuspended()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6262); AnnotateMozCrashReason("MOZ_ASSERT" "(" "IsSuspended()" ")"); do { *((volatile int*)__null) = 6262; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 6263 | mModalStateDepth--; | |||
| 6264 | ||||
| 6265 | nsGlobalWindowInner* inner = GetCurrentInnerWindowInternal(this); | |||
| 6266 | if (mModalStateDepth == 0) { | |||
| 6267 | if (inner) { | |||
| 6268 | inner->Resume(); | |||
| 6269 | } | |||
| 6270 | ||||
| 6271 | UnsuppressEventHandling(); | |||
| 6272 | } | |||
| 6273 | ||||
| 6274 | // Remember the time of the last dialog quit. | |||
| 6275 | if (auto* bcg = GetBrowsingContextGroup()) { | |||
| 6276 | bcg->SetLastDialogQuitTime(TimeStamp::Now()); | |||
| 6277 | } | |||
| 6278 | ||||
| 6279 | if (mModalStateDepth == 0) { | |||
| 6280 | RefPtr<Event> event = NS_NewDOMEvent(inner, nullptr, nullptr); | |||
| 6281 | event->InitEvent(u"endmodalstate"_ns, true, false); | |||
| 6282 | event->SetTrusted(true); | |||
| 6283 | event->WidgetEventPtr()->mFlags.mOnlyChromeDispatch = true; | |||
| 6284 | DispatchEvent(*event); | |||
| 6285 | } | |||
| 6286 | } | |||
| 6287 | ||||
| 6288 | bool nsGlobalWindowOuter::IsInModalState() { | |||
| 6289 | nsGlobalWindowOuter* topWin = GetInProcessScriptableTopInternal(); | |||
| 6290 | ||||
| 6291 | if (!topWin) { | |||
| 6292 | // IsInModalState() getting called w/o a reachable top window is a bit | |||
| 6293 | // iffy, but valid enough not to make noise about it. See bug 404828 | |||
| 6294 | return false; | |||
| 6295 | } | |||
| 6296 | ||||
| 6297 | return topWin->mModalStateDepth != 0; | |||
| 6298 | } | |||
| 6299 | ||||
| 6300 | void nsGlobalWindowOuter::NotifyWindowIDDestroyed(const char* aTopic) { | |||
| 6301 | nsCOMPtr<nsIRunnable> runnable = | |||
| 6302 | new WindowDestroyedEvent(this, mWindowID, aTopic); | |||
| 6303 | Dispatch(runnable.forget()); | |||
| 6304 | } | |||
| 6305 | ||||
| 6306 | Element* nsGlobalWindowOuter::GetFrameElement(nsIPrincipal& aSubjectPrincipal) { | |||
| 6307 | // Per HTML5, the frameElement getter returns null in cross-origin situations. | |||
| 6308 | Element* element = GetFrameElement(); | |||
| 6309 | if (!element) { | |||
| 6310 | return nullptr; | |||
| 6311 | } | |||
| 6312 | ||||
| 6313 | if (!aSubjectPrincipal.SubsumesConsideringDomain(element->NodePrincipal())) { | |||
| 6314 | return nullptr; | |||
| 6315 | } | |||
| 6316 | ||||
| 6317 | return element; | |||
| 6318 | } | |||
| 6319 | ||||
| 6320 | Element* nsGlobalWindowOuter::GetFrameElement() { | |||
| 6321 | if (!mBrowsingContext || mBrowsingContext->IsTop()) { | |||
| 6322 | return nullptr; | |||
| 6323 | } | |||
| 6324 | return mBrowsingContext->GetEmbedderElement(); | |||
| 6325 | } | |||
| 6326 | ||||
| 6327 | namespace { | |||
| 6328 | class ChildCommandDispatcher : public Runnable { | |||
| 6329 | public: | |||
| 6330 | ChildCommandDispatcher(nsPIWindowRoot* aRoot, nsIBrowserChild* aBrowserChild, | |||
| 6331 | nsPIDOMWindowOuter* aWindow, const nsAString& aAction) | |||
| 6332 | : mozilla::Runnable("ChildCommandDispatcher"), | |||
| 6333 | mRoot(aRoot), | |||
| 6334 | mBrowserChild(aBrowserChild), | |||
| 6335 | mWindow(aWindow), | |||
| 6336 | mAction(aAction) {} | |||
| 6337 | ||||
| 6338 | NS_IMETHODvirtual nsresult Run() override { | |||
| 6339 | AutoTArray<nsCString, 70> enabledCommands, disabledCommands; | |||
| 6340 | mRoot->GetEnabledDisabledCommands(enabledCommands, disabledCommands); | |||
| 6341 | if (enabledCommands.Length() || disabledCommands.Length()) { | |||
| 6342 | BrowserChild* bc = static_cast<BrowserChild*>(mBrowserChild.get()); | |||
| 6343 | bc->SendEnableDisableCommands(mWindow->GetBrowsingContext(), mAction, | |||
| 6344 | enabledCommands, disabledCommands); | |||
| 6345 | } | |||
| 6346 | ||||
| 6347 | return NS_OK; | |||
| 6348 | } | |||
| 6349 | ||||
| 6350 | private: | |||
| 6351 | nsCOMPtr<nsPIWindowRoot> mRoot; | |||
| 6352 | nsCOMPtr<nsIBrowserChild> mBrowserChild; | |||
| 6353 | nsCOMPtr<nsPIDOMWindowOuter> mWindow; | |||
| 6354 | nsString mAction; | |||
| 6355 | }; | |||
| 6356 | ||||
| 6357 | class CommandDispatcher : public Runnable { | |||
| 6358 | public: | |||
| 6359 | CommandDispatcher(nsIDOMXULCommandDispatcher* aDispatcher, | |||
| 6360 | const nsAString& aAction) | |||
| 6361 | : mozilla::Runnable("CommandDispatcher"), | |||
| 6362 | mDispatcher(aDispatcher), | |||
| 6363 | mAction(aAction) {} | |||
| 6364 | ||||
| 6365 | // TODO: Convert this to MOZ_CAN_RUN_SCRIPT (bug 1415230, bug 1535398) | |||
| 6366 | MOZ_CAN_RUN_SCRIPT_BOUNDARY NS_IMETHODvirtual nsresult Run() override { | |||
| 6367 | return mDispatcher->UpdateCommands(mAction); | |||
| 6368 | } | |||
| 6369 | ||||
| 6370 | const nsCOMPtr<nsIDOMXULCommandDispatcher> mDispatcher; | |||
| 6371 | nsString mAction; | |||
| 6372 | }; | |||
| 6373 | } // anonymous namespace | |||
| 6374 | ||||
| 6375 | void nsGlobalWindowOuter::UpdateCommands(const nsAString& anAction) { | |||
| 6376 | // If this is a child process, redirect to the parent process. | |||
| 6377 | if (nsIDocShell* docShell = GetDocShell()) { | |||
| 6378 | if (nsCOMPtr<nsIBrowserChild> child = docShell->GetBrowserChild()) { | |||
| 6379 | nsCOMPtr<nsPIWindowRoot> root = GetTopWindowRoot(); | |||
| 6380 | if (root) { | |||
| 6381 | nsContentUtils::AddScriptRunner( | |||
| 6382 | new ChildCommandDispatcher(root, child, this, anAction)); | |||
| 6383 | } | |||
| 6384 | return; | |||
| 6385 | } | |||
| 6386 | } | |||
| 6387 | ||||
| 6388 | nsPIDOMWindowOuter* rootWindow = GetPrivateRoot(); | |||
| 6389 | if (!rootWindow) { | |||
| 6390 | return; | |||
| 6391 | } | |||
| 6392 | ||||
| 6393 | Document* doc = rootWindow->GetExtantDoc(); | |||
| 6394 | ||||
| 6395 | if (!doc) { | |||
| 6396 | return; | |||
| 6397 | } | |||
| 6398 | ||||
| 6399 | // Retrieve the command dispatcher and call updateCommands on it. | |||
| 6400 | nsIDOMXULCommandDispatcher* xulCommandDispatcher = | |||
| 6401 | doc->GetCommandDispatcher(); | |||
| 6402 | if (xulCommandDispatcher) { | |||
| 6403 | nsContentUtils::AddScriptRunner( | |||
| 6404 | new CommandDispatcher(xulCommandDispatcher, anAction)); | |||
| 6405 | } | |||
| 6406 | } | |||
| 6407 | ||||
| 6408 | Selection* nsGlobalWindowOuter::GetSelectionOuter() { | |||
| 6409 | if (!mDocShell) { | |||
| 6410 | return nullptr; | |||
| 6411 | } | |||
| 6412 | ||||
| 6413 | PresShell* presShell = mDocShell->GetPresShell(); | |||
| 6414 | if (!presShell) { | |||
| 6415 | return nullptr; | |||
| 6416 | } | |||
| 6417 | return presShell->GetCurrentSelection(SelectionType::eNormal); | |||
| 6418 | } | |||
| 6419 | ||||
| 6420 | already_AddRefed<Selection> nsGlobalWindowOuter::GetSelection() { | |||
| 6421 | RefPtr<Selection> selection = GetSelectionOuter(); | |||
| 6422 | return selection.forget(); | |||
| 6423 | } | |||
| 6424 | ||||
| 6425 | bool nsGlobalWindowOuter::FindOuter(const nsAString& aString, | |||
| 6426 | bool aCaseSensitive, bool aBackwards, | |||
| 6427 | bool aWrapAround, bool aWholeWord, | |||
| 6428 | bool aSearchInFrames, bool aShowDialog, | |||
| 6429 | ErrorResult& aError) { | |||
| 6430 | Unused << aShowDialog; | |||
| 6431 | ||||
| 6432 | nsCOMPtr<nsIWebBrowserFind> finder(do_GetInterface(mDocShell)); | |||
| 6433 | if (!finder) { | |||
| 6434 | aError.Throw(NS_ERROR_NOT_AVAILABLE); | |||
| 6435 | return false; | |||
| 6436 | } | |||
| 6437 | ||||
| 6438 | // Set the options of the search | |||
| 6439 | aError = finder->SetSearchString(aString); | |||
| 6440 | if (aError.Failed()) { | |||
| 6441 | return false; | |||
| 6442 | } | |||
| 6443 | finder->SetMatchCase(aCaseSensitive); | |||
| 6444 | finder->SetFindBackwards(aBackwards); | |||
| 6445 | finder->SetWrapFind(aWrapAround); | |||
| 6446 | finder->SetEntireWord(aWholeWord); | |||
| 6447 | finder->SetSearchFrames(aSearchInFrames); | |||
| 6448 | ||||
| 6449 | // the nsIWebBrowserFind is initialized to use this window | |||
| 6450 | // as the search root, but uses focus to set the current search | |||
| 6451 | // frame. If we're being called from JS (as here), this window | |||
| 6452 | // should be the current search frame. | |||
| 6453 | nsCOMPtr<nsIWebBrowserFindInFrames> framesFinder(do_QueryInterface(finder)); | |||
| 6454 | if (framesFinder) { | |||
| 6455 | framesFinder->SetRootSearchFrame(this); // paranoia | |||
| 6456 | framesFinder->SetCurrentSearchFrame(this); | |||
| 6457 | } | |||
| 6458 | ||||
| 6459 | if (aString.IsEmpty()) { | |||
| 6460 | return false; | |||
| 6461 | } | |||
| 6462 | ||||
| 6463 | // Launch the search with the passed in search string | |||
| 6464 | bool didFind = false; | |||
| 6465 | aError = finder->FindNext(&didFind); | |||
| 6466 | return didFind; | |||
| 6467 | } | |||
| 6468 | ||||
| 6469 | //***************************************************************************** | |||
| 6470 | // EventTarget | |||
| 6471 | //***************************************************************************** | |||
| 6472 | ||||
| 6473 | nsPIDOMWindowOuter* nsGlobalWindowOuter::GetOwnerGlobalForBindingsInternal() { | |||
| 6474 | return this; | |||
| 6475 | } | |||
| 6476 | ||||
| 6477 | nsIGlobalObject* nsGlobalWindowOuter::GetOwnerGlobal() const { | |||
| 6478 | return GetCurrentInnerWindowInternal(this); | |||
| 6479 | } | |||
| 6480 | ||||
| 6481 | bool nsGlobalWindowOuter::DispatchEvent(Event& aEvent, CallerType aCallerType, | |||
| 6482 | ErrorResult& aRv) { | |||
| 6483 | FORWARD_TO_INNER(DispatchEvent, (aEvent, aCallerType, aRv), false)do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6483); return false; } return GetCurrentInnerWindowInternal (this)->DispatchEvent (aEvent, aCallerType, aRv); } while ( 0); | |||
| 6484 | } | |||
| 6485 | ||||
| 6486 | bool nsGlobalWindowOuter::ComputeDefaultWantsUntrusted(ErrorResult& aRv) { | |||
| 6487 | // It's OK that we just return false here on failure to create an | |||
| 6488 | // inner. GetOrCreateListenerManager() will likewise fail, and then | |||
| 6489 | // we won't be adding any listeners anyway. | |||
| 6490 | FORWARD_TO_INNER_CREATE(ComputeDefaultWantsUntrusted, (aRv), false)do { if (!mInnerWindow) { if (mIsClosed) { return false; } nsCOMPtr <Document> kungFuDeathGrip = GetDoc(); ::mozilla::Unused << kungFuDeathGrip; if (!mInnerWindow) { return false; } } return GetCurrentInnerWindowInternal(this)->ComputeDefaultWantsUntrusted (aRv); } while (0); | |||
| 6491 | } | |||
| 6492 | ||||
| 6493 | EventListenerManager* nsGlobalWindowOuter::GetOrCreateListenerManager() { | |||
| 6494 | FORWARD_TO_INNER_CREATE(GetOrCreateListenerManager, (), nullptr)do { if (!mInnerWindow) { if (mIsClosed) { return nullptr; } nsCOMPtr <Document> kungFuDeathGrip = GetDoc(); ::mozilla::Unused << kungFuDeathGrip; if (!mInnerWindow) { return nullptr ; } } return GetCurrentInnerWindowInternal(this)->GetOrCreateListenerManager (); } while (0); | |||
| 6495 | } | |||
| 6496 | ||||
| 6497 | EventListenerManager* nsGlobalWindowOuter::GetExistingListenerManager() const { | |||
| 6498 | FORWARD_TO_INNER(GetExistingListenerManager, (), nullptr)do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6498); return nullptr; } return GetCurrentInnerWindowInternal (this)->GetExistingListenerManager (); } while (0); | |||
| 6499 | } | |||
| 6500 | ||||
| 6501 | //***************************************************************************** | |||
| 6502 | // nsGlobalWindowOuter::nsPIDOMWindow | |||
| 6503 | //***************************************************************************** | |||
| 6504 | ||||
| 6505 | nsPIDOMWindowOuter* nsGlobalWindowOuter::GetPrivateParent() { | |||
| 6506 | nsCOMPtr<nsPIDOMWindowOuter> parent = GetInProcessParent(); | |||
| 6507 | ||||
| 6508 | if (this == parent) { | |||
| 6509 | nsCOMPtr<nsIContent> chromeElement(do_QueryInterface(mChromeEventHandler)); | |||
| 6510 | if (!chromeElement) | |||
| 6511 | return nullptr; // This is ok, just means a null parent. | |||
| 6512 | ||||
| 6513 | Document* doc = chromeElement->GetComposedDoc(); | |||
| 6514 | if (!doc) return nullptr; // This is ok, just means a null parent. | |||
| 6515 | ||||
| 6516 | return doc->GetWindow(); | |||
| 6517 | } | |||
| 6518 | ||||
| 6519 | return parent; | |||
| 6520 | } | |||
| 6521 | ||||
| 6522 | nsPIDOMWindowOuter* nsGlobalWindowOuter::GetPrivateRoot() { | |||
| 6523 | nsCOMPtr<nsPIDOMWindowOuter> top = GetInProcessTop(); | |||
| 6524 | ||||
| 6525 | nsCOMPtr<nsIContent> chromeElement(do_QueryInterface(mChromeEventHandler)); | |||
| 6526 | if (chromeElement) { | |||
| 6527 | Document* doc = chromeElement->GetComposedDoc(); | |||
| 6528 | if (doc) { | |||
| 6529 | nsCOMPtr<nsPIDOMWindowOuter> parent = doc->GetWindow(); | |||
| 6530 | if (parent) { | |||
| 6531 | top = parent->GetInProcessTop(); | |||
| 6532 | } | |||
| 6533 | } | |||
| 6534 | } | |||
| 6535 | ||||
| 6536 | return top; | |||
| 6537 | } | |||
| 6538 | ||||
| 6539 | // This has a caller in Windows-only code (nsNativeAppSupportWin). | |||
| 6540 | Location* nsGlobalWindowOuter::GetLocation() { | |||
| 6541 | // This method can be called on the outer window as well. | |||
| 6542 | FORWARD_TO_INNER(Location, (), nullptr)do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6542); return nullptr; } return GetCurrentInnerWindowInternal (this)->Location (); } while (0); | |||
| 6543 | } | |||
| 6544 | ||||
| 6545 | void nsGlobalWindowOuter::SetIsBackground(bool aIsBackground) { | |||
| 6546 | bool changed = aIsBackground != IsBackground(); | |||
| 6547 | SetIsBackgroundInternal(aIsBackground); | |||
| 6548 | ||||
| 6549 | nsGlobalWindowInner* inner = GetCurrentInnerWindowInternal(this); | |||
| 6550 | ||||
| 6551 | if (inner && changed) { | |||
| 6552 | inner->UpdateBackgroundState(); | |||
| 6553 | } | |||
| 6554 | ||||
| 6555 | if (aIsBackground) { | |||
| 6556 | // Notify gamepadManager we are at the background window, | |||
| 6557 | // we need to stop vibrate. | |||
| 6558 | // Stop the vr telemery time spent when it switches to | |||
| 6559 | // the background window. | |||
| 6560 | if (inner && changed) { | |||
| 6561 | inner->StopGamepadHaptics(); | |||
| 6562 | inner->StopVRActivity(); | |||
| 6563 | // true is for asking to set the delta time to | |||
| 6564 | // the telemetry. | |||
| 6565 | inner->ResetVRTelemetry(true); | |||
| 6566 | } | |||
| 6567 | return; | |||
| 6568 | } | |||
| 6569 | ||||
| 6570 | if (inner) { | |||
| 6571 | // When switching to be as a top tab, restart the telemetry. | |||
| 6572 | // false is for only resetting the timestamp. | |||
| 6573 | inner->ResetVRTelemetry(false); | |||
| 6574 | inner->SyncGamepadState(); | |||
| 6575 | inner->StartVRActivity(); | |||
| 6576 | } | |||
| 6577 | } | |||
| 6578 | ||||
| 6579 | void nsGlobalWindowOuter::SetIsBackgroundInternal(bool aIsBackground) { | |||
| 6580 | mIsBackground = aIsBackground; | |||
| 6581 | } | |||
| 6582 | ||||
| 6583 | void nsGlobalWindowOuter::SetChromeEventHandler( | |||
| 6584 | EventTarget* aChromeEventHandler) { | |||
| 6585 | SetChromeEventHandlerInternal(aChromeEventHandler); | |||
| 6586 | // update the chrome event handler on all our inner windows | |||
| 6587 | RefPtr<nsGlobalWindowInner> inner; | |||
| 6588 | for (PRCList* node = PR_LIST_HEAD(this)(this)->next; node != this; | |||
| 6589 | node = PR_NEXT_LINK(inner)((inner)->next)) { | |||
| 6590 | // This cast is only safe if `node != this`, as nsGlobalWindowOuter is also | |||
| 6591 | // in the list. | |||
| 6592 | inner = static_cast<nsGlobalWindowInner*>(node); | |||
| 6593 | NS_ASSERTION(!inner->mOuterWindow || inner->mOuterWindow == this,do { if (!(!inner->mOuterWindow || inner->mOuterWindow == this)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "bad outer window pointer" , "!inner->mOuterWindow || inner->mOuterWindow == this" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6594); MOZ_PretendNoReturn(); } } while (0) | |||
| 6594 | "bad outer window pointer")do { if (!(!inner->mOuterWindow || inner->mOuterWindow == this)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "bad outer window pointer" , "!inner->mOuterWindow || inner->mOuterWindow == this" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6594); MOZ_PretendNoReturn(); } } while (0); | |||
| 6595 | inner->SetChromeEventHandlerInternal(aChromeEventHandler); | |||
| 6596 | } | |||
| 6597 | } | |||
| 6598 | ||||
| 6599 | void nsGlobalWindowOuter::SetFocusedElement(Element* aElement, | |||
| 6600 | uint32_t aFocusMethod, | |||
| 6601 | bool aNeedsFocus) { | |||
| 6602 | FORWARD_TO_INNER_VOID(SetFocusedElement,do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6603); return; } GetCurrentInnerWindowInternal(this)->SetFocusedElement (aElement, aFocusMethod, aNeedsFocus); return; } while (0) | |||
| 6603 | (aElement, aFocusMethod, aNeedsFocus))do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6603); return; } GetCurrentInnerWindowInternal(this)->SetFocusedElement (aElement, aFocusMethod, aNeedsFocus); return; } while (0); | |||
| 6604 | } | |||
| 6605 | ||||
| 6606 | uint32_t nsGlobalWindowOuter::GetFocusMethod() { | |||
| 6607 | FORWARD_TO_INNER(GetFocusMethod, (), 0)do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6607); return 0; } return GetCurrentInnerWindowInternal(this )->GetFocusMethod (); } while (0); | |||
| 6608 | } | |||
| 6609 | ||||
| 6610 | bool nsGlobalWindowOuter::ShouldShowFocusRing() { | |||
| 6611 | FORWARD_TO_INNER(ShouldShowFocusRing, (), false)do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6611); return false; } return GetCurrentInnerWindowInternal (this)->ShouldShowFocusRing (); } while (0); | |||
| 6612 | } | |||
| 6613 | ||||
| 6614 | bool nsGlobalWindowOuter::TakeFocus(bool aFocus, uint32_t aFocusMethod) { | |||
| 6615 | FORWARD_TO_INNER(TakeFocus, (aFocus, aFocusMethod), false)do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6615); return false; } return GetCurrentInnerWindowInternal (this)->TakeFocus (aFocus, aFocusMethod); } while (0); | |||
| 6616 | } | |||
| 6617 | ||||
| 6618 | void nsGlobalWindowOuter::SetReadyForFocus() { | |||
| 6619 | FORWARD_TO_INNER_VOID(SetReadyForFocus, ())do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6619); return; } GetCurrentInnerWindowInternal(this)->SetReadyForFocus (); return; } while (0); | |||
| 6620 | } | |||
| 6621 | ||||
| 6622 | void nsGlobalWindowOuter::PageHidden() { | |||
| 6623 | FORWARD_TO_INNER_VOID(PageHidden, ())do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6623); return; } GetCurrentInnerWindowInternal(this)->PageHidden (); return; } while (0); | |||
| 6624 | } | |||
| 6625 | ||||
| 6626 | already_AddRefed<nsICSSDeclaration> | |||
| 6627 | nsGlobalWindowOuter::GetComputedStyleHelperOuter(Element& aElt, | |||
| 6628 | const nsAString& aPseudoElt, | |||
| 6629 | bool aDefaultStylesOnly, | |||
| 6630 | ErrorResult& aRv) { | |||
| 6631 | if (!mDoc) { | |||
| 6632 | return nullptr; | |||
| 6633 | } | |||
| 6634 | ||||
| 6635 | RefPtr<nsICSSDeclaration> compStyle = NS_NewComputedDOMStyle( | |||
| 6636 | &aElt, aPseudoElt, mDoc, | |||
| 6637 | aDefaultStylesOnly ? nsComputedDOMStyle::StyleType::DefaultOnly | |||
| 6638 | : nsComputedDOMStyle::StyleType::All, | |||
| 6639 | aRv); | |||
| 6640 | ||||
| 6641 | return compStyle.forget(); | |||
| 6642 | } | |||
| 6643 | ||||
| 6644 | //***************************************************************************** | |||
| 6645 | // nsGlobalWindowOuter::nsIInterfaceRequestor | |||
| 6646 | //***************************************************************************** | |||
| 6647 | ||||
| 6648 | nsresult nsGlobalWindowOuter::GetInterfaceInternal(const nsIID& aIID, | |||
| 6649 | void** aSink) { | |||
| 6650 | NS_ENSURE_ARG_POINTER(aSink)do { if ((__builtin_expect(!!(!(aSink)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "aSink" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6650); return NS_ERROR_INVALID_POINTER; } } while (false); | |||
| 6651 | *aSink = nullptr; | |||
| 6652 | ||||
| 6653 | if (aIID.Equals(NS_GET_IID(nsIWebNavigation)(nsIWebNavigation::COMTypeInfo<nsIWebNavigation, void>:: kIID))) { | |||
| 6654 | nsCOMPtr<nsIWebNavigation> webNav(do_QueryInterface(mDocShell)); | |||
| 6655 | webNav.forget(aSink); | |||
| 6656 | } else if (aIID.Equals(NS_GET_IID(nsIDocShell)(nsIDocShell::COMTypeInfo<nsIDocShell, void>::kIID))) { | |||
| 6657 | nsCOMPtr<nsIDocShell> docShell = mDocShell; | |||
| 6658 | docShell.forget(aSink); | |||
| 6659 | } | |||
| 6660 | #ifdef NS_PRINTING1 | |||
| 6661 | else if (aIID.Equals(NS_GET_IID(nsIWebBrowserPrint)(nsIWebBrowserPrint::COMTypeInfo<nsIWebBrowserPrint, void> ::kIID))) { | |||
| 6662 | if (mDocShell) { | |||
| 6663 | nsCOMPtr<nsIDocumentViewer> viewer; | |||
| 6664 | mDocShell->GetDocViewer(getter_AddRefs(viewer)); | |||
| 6665 | if (viewer) { | |||
| 6666 | nsCOMPtr<nsIWebBrowserPrint> webBrowserPrint(do_QueryInterface(viewer)); | |||
| 6667 | webBrowserPrint.forget(aSink); | |||
| 6668 | } | |||
| 6669 | } | |||
| 6670 | } | |||
| 6671 | #endif | |||
| 6672 | else if (aIID.Equals(NS_GET_IID(nsILoadContext)(nsILoadContext::COMTypeInfo<nsILoadContext, void>::kIID ))) { | |||
| 6673 | nsCOMPtr<nsILoadContext> loadContext(do_QueryInterface(mDocShell)); | |||
| 6674 | loadContext.forget(aSink); | |||
| 6675 | } | |||
| 6676 | ||||
| 6677 | return *aSink ? NS_OK : NS_ERROR_NO_INTERFACE; | |||
| 6678 | } | |||
| 6679 | ||||
| 6680 | NS_IMETHODIMPnsresult | |||
| 6681 | nsGlobalWindowOuter::GetInterface(const nsIID& aIID, void** aSink) { | |||
| 6682 | nsresult rv = GetInterfaceInternal(aIID, aSink); | |||
| 6683 | if (rv == NS_ERROR_NO_INTERFACE) { | |||
| 6684 | return QueryInterface(aIID, aSink); | |||
| 6685 | } | |||
| 6686 | return rv; | |||
| 6687 | } | |||
| 6688 | ||||
| 6689 | bool nsGlobalWindowOuter::IsSuspended() const { | |||
| 6690 | MOZ_ASSERT(NS_IsMainThread())do { static_assert( mozilla::detail::AssertionConditionType< decltype(NS_IsMainThread())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(NS_IsMainThread()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("NS_IsMainThread()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6690); AnnotateMozCrashReason("MOZ_ASSERT" "(" "NS_IsMainThread()" ")"); do { *((volatile int*)__null) = 6690; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 6691 | // No inner means we are effectively suspended | |||
| 6692 | if (!mInnerWindow) { | |||
| 6693 | return true; | |||
| 6694 | } | |||
| 6695 | return mInnerWindow->IsSuspended(); | |||
| 6696 | } | |||
| 6697 | ||||
| 6698 | bool nsGlobalWindowOuter::IsFrozen() const { | |||
| 6699 | MOZ_ASSERT(NS_IsMainThread())do { static_assert( mozilla::detail::AssertionConditionType< decltype(NS_IsMainThread())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(NS_IsMainThread()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("NS_IsMainThread()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6699); AnnotateMozCrashReason("MOZ_ASSERT" "(" "NS_IsMainThread()" ")"); do { *((volatile int*)__null) = 6699; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 6700 | // No inner means we are effectively frozen | |||
| 6701 | if (!mInnerWindow) { | |||
| 6702 | return true; | |||
| 6703 | } | |||
| 6704 | return mInnerWindow->IsFrozen(); | |||
| 6705 | } | |||
| 6706 | ||||
| 6707 | nsresult nsGlobalWindowOuter::FireDelayedDOMEvents(bool aIncludeSubWindows) { | |||
| 6708 | FORWARD_TO_INNER(FireDelayedDOMEvents, (aIncludeSubWindows),do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6709); return NS_ERROR_UNEXPECTED; } return GetCurrentInnerWindowInternal (this)->FireDelayedDOMEvents (aIncludeSubWindows); } while (0) | |||
| 6709 | NS_ERROR_UNEXPECTED)do { if (!mInnerWindow) { NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6709); return NS_ERROR_UNEXPECTED; } return GetCurrentInnerWindowInternal (this)->FireDelayedDOMEvents (aIncludeSubWindows); } while (0); | |||
| 6710 | } | |||
| 6711 | ||||
| 6712 | //***************************************************************************** | |||
| 6713 | // nsGlobalWindowOuter: Window Control Functions | |||
| 6714 | //***************************************************************************** | |||
| 6715 | ||||
| 6716 | nsPIDOMWindowOuter* nsGlobalWindowOuter::GetInProcessParentInternal() { | |||
| 6717 | nsCOMPtr<nsPIDOMWindowOuter> parent = GetInProcessParent(); | |||
| 6718 | ||||
| 6719 | if (parent && parent != this) { | |||
| 6720 | return parent; | |||
| 6721 | } | |||
| 6722 | ||||
| 6723 | return nullptr; | |||
| 6724 | } | |||
| 6725 | ||||
| 6726 | void nsGlobalWindowOuter::UnblockScriptedClosing() { | |||
| 6727 | mBlockScriptedClosingFlag = false; | |||
| 6728 | } | |||
| 6729 | ||||
| 6730 | class AutoUnblockScriptClosing { | |||
| 6731 | private: | |||
| 6732 | RefPtr<nsGlobalWindowOuter> mWin; | |||
| 6733 | ||||
| 6734 | public: | |||
| 6735 | explicit AutoUnblockScriptClosing(nsGlobalWindowOuter* aWin) : mWin(aWin) { | |||
| 6736 | MOZ_ASSERT(mWin)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mWin)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(mWin))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("mWin", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6736); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mWin" ")"); do { *((volatile int*)__null) = 6736; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 6737 | } | |||
| 6738 | ~AutoUnblockScriptClosing() { | |||
| 6739 | void (nsGlobalWindowOuter::*run)() = | |||
| 6740 | &nsGlobalWindowOuter::UnblockScriptedClosing; | |||
| 6741 | nsCOMPtr<nsIRunnable> caller = NewRunnableMethod( | |||
| 6742 | "AutoUnblockScriptClosing::~AutoUnblockScriptClosing", mWin, run); | |||
| 6743 | mWin->Dispatch(caller.forget()); | |||
| 6744 | } | |||
| 6745 | }; | |||
| 6746 | ||||
| 6747 | nsresult nsGlobalWindowOuter::OpenInternal( | |||
| 6748 | const nsAString& aUrl, const nsAString& aName, const nsAString& aOptions, | |||
| 6749 | bool aDialog, bool aContentModal, bool aCalledNoScript, bool aDoJSFixups, | |||
| 6750 | bool aNavigate, nsIArray* argv, nsISupports* aExtraArgument, | |||
| 6751 | nsDocShellLoadState* aLoadState, bool aForceNoOpener, PrintKind aPrintKind, | |||
| 6752 | BrowsingContext** aReturn) { | |||
| 6753 | #ifdef DEBUG1 | |||
| 6754 | uint32_t argc = 0; | |||
| 6755 | if (argv) argv->GetLength(&argc); | |||
| ||||
| 6756 | #endif | |||
| 6757 | ||||
| 6758 | MOZ_ASSERT(!aExtraArgument || (!argv && argc == 0),do { static_assert( mozilla::detail::AssertionConditionType< decltype(!aExtraArgument || (!argv && argc == 0))> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(!aExtraArgument || (!argv && argc == 0)))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("!aExtraArgument || (!argv && argc == 0)" " (" "Can't pass in arguments both ways" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6759); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!aExtraArgument || (!argv && argc == 0)" ") (" "Can't pass in arguments both ways" ")"); do { *((volatile int*)__null) = 6759; __attribute__((nomerge)) ::abort(); } while (false); } } while (false) | |||
| 6759 | "Can't pass in arguments both ways")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!aExtraArgument || (!argv && argc == 0))> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(!aExtraArgument || (!argv && argc == 0)))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("!aExtraArgument || (!argv && argc == 0)" " (" "Can't pass in arguments both ways" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6759); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!aExtraArgument || (!argv && argc == 0)" ") (" "Can't pass in arguments both ways" ")"); do { *((volatile int*)__null) = 6759; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); | |||
| 6760 | MOZ_ASSERT(!aCalledNoScript || (!argv && argc == 0),do { static_assert( mozilla::detail::AssertionConditionType< decltype(!aCalledNoScript || (!argv && argc == 0))> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(!aCalledNoScript || (!argv && argc == 0)))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!aCalledNoScript || (!argv && argc == 0)" " (" "Can't pass JS args when called via the noscript methods" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6761); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!aCalledNoScript || (!argv && argc == 0)" ") (" "Can't pass JS args when called via the noscript methods" ")"); do { *((volatile int*)__null) = 6761; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 6761 | "Can't pass JS args when called via the noscript methods")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!aCalledNoScript || (!argv && argc == 0))> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(!aCalledNoScript || (!argv && argc == 0)))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!aCalledNoScript || (!argv && argc == 0)" " (" "Can't pass JS args when called via the noscript methods" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6761); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!aCalledNoScript || (!argv && argc == 0)" ") (" "Can't pass JS args when called via the noscript methods" ")"); do { *((volatile int*)__null) = 6761; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 6762 | ||||
| 6763 | mozilla::Maybe<AutoUnblockScriptClosing> closeUnblocker; | |||
| 6764 | ||||
| 6765 | // Calls to window.open from script should navigate. | |||
| 6766 | MOZ_ASSERT(aCalledNoScript || aNavigate)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aCalledNoScript || aNavigate)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aCalledNoScript || aNavigate ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "aCalledNoScript || aNavigate", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6766); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aCalledNoScript || aNavigate" ")"); do { *((volatile int*)__null) = 6766; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 6767 | ||||
| 6768 | *aReturn = nullptr; | |||
| 6769 | ||||
| 6770 | nsCOMPtr<nsIWebBrowserChrome> chrome = GetWebBrowserChrome(); | |||
| 6771 | if (!chrome) { | |||
| 6772 | // No chrome means we don't want to go through with this open call | |||
| 6773 | // -- see nsIWindowWatcher.idl | |||
| 6774 | return NS_ERROR_NOT_AVAILABLE; | |||
| 6775 | } | |||
| 6776 | ||||
| 6777 | NS_ASSERTION(mDocShell, "Must have docshell here")do { if (!(mDocShell)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Must have docshell here" , "mDocShell", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6777); MOZ_PretendNoReturn(); } } while (0); | |||
| 6778 | ||||
| 6779 | NS_ConvertUTF16toUTF8 optionsUtf8(aOptions); | |||
| 6780 | ||||
| 6781 | WindowFeatures features; | |||
| 6782 | if (!features.Tokenize(optionsUtf8)) { | |||
| 6783 | return NS_ERROR_FAILURE; | |||
| 6784 | } | |||
| 6785 | ||||
| 6786 | bool forceNoOpener = aForceNoOpener; | |||
| 6787 | if (features.Exists("noopener")) { | |||
| 6788 | forceNoOpener = features.GetBool("noopener"); | |||
| 6789 | features.Remove("noopener"); | |||
| 6790 | } | |||
| 6791 | ||||
| 6792 | bool forceNoReferrer = false; | |||
| 6793 | if (features.Exists("noreferrer")) { | |||
| 6794 | forceNoReferrer = features.GetBool("noreferrer"); | |||
| 6795 | if (forceNoReferrer) { | |||
| 6796 | // noreferrer implies noopener | |||
| 6797 | forceNoOpener = true; | |||
| 6798 | } | |||
| 6799 | features.Remove("noreferrer"); | |||
| 6800 | } | |||
| 6801 | ||||
| 6802 | nsAutoCString options; | |||
| 6803 | features.Stringify(options); | |||
| 6804 | ||||
| 6805 | // If noopener is force-enabled for the current document, then set noopener to | |||
| 6806 | // true, and clear the name to "_blank". | |||
| 6807 | nsAutoString windowName(aName); | |||
| 6808 | if (nsDocShell::Cast(GetDocShell())->NoopenerForceEnabled()) { | |||
| 6809 | // FIXME: Eventually bypass force-enabling noopener if `aPrintKind != | |||
| 6810 | // PrintKind::None`, so that we can print pages with noopener force-enabled. | |||
| 6811 | // This will require relaxing assertions elsewhere. | |||
| 6812 | if (aPrintKind != PrintKind::None) { | |||
| 6813 | NS_WARNING(NS_DebugBreak(NS_DEBUG_WARNING, "printing frames with noopener force-enabled isn't supported yet" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6814) | |||
| 6814 | "printing frames with noopener force-enabled isn't supported yet")NS_DebugBreak(NS_DEBUG_WARNING, "printing frames with noopener force-enabled isn't supported yet" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6814); | |||
| 6815 | return NS_ERROR_FAILURE; | |||
| 6816 | } | |||
| 6817 | ||||
| 6818 | MOZ_DIAGNOSTIC_ASSERT(aNavigate,do { static_assert( mozilla::detail::AssertionConditionType< decltype(aNavigate)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aNavigate))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aNavigate" " (" "cannot OpenNoNavigate if noopener is force-enabled" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6819); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "aNavigate" ") (" "cannot OpenNoNavigate if noopener is force-enabled" ")" ); do { *((volatile int*)__null) = 6819; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 6819 | "cannot OpenNoNavigate if noopener is force-enabled")do { static_assert( mozilla::detail::AssertionConditionType< decltype(aNavigate)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aNavigate))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aNavigate" " (" "cannot OpenNoNavigate if noopener is force-enabled" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6819); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "aNavigate" ") (" "cannot OpenNoNavigate if noopener is force-enabled" ")" ); do { *((volatile int*)__null) = 6819; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 6820 | ||||
| 6821 | forceNoOpener = true; | |||
| 6822 | windowName = u"_blank"_ns; | |||
| 6823 | } | |||
| 6824 | ||||
| 6825 | bool windowExists = WindowExists(windowName, forceNoOpener, !aCalledNoScript); | |||
| 6826 | ||||
| 6827 | // XXXbz When this gets fixed to not use LegacyIsCallerNativeCode() | |||
| 6828 | // (indirectly) maybe we can nix the AutoJSAPI usage OnLinkClickEvent::Run. | |||
| 6829 | // But note that if you change this to GetEntryGlobal(), say, then | |||
| 6830 | // OnLinkClickEvent::Run will need a full-blown AutoEntryScript. | |||
| 6831 | const bool checkForPopup = | |||
| 6832 | !nsContentUtils::LegacyIsCallerChromeOrNativeCode() && !aDialog && | |||
| 6833 | !windowExists; | |||
| 6834 | ||||
| 6835 | nsCOMPtr<nsIURI> uri; | |||
| 6836 | ||||
| 6837 | // It's important to do this security check before determining whether this | |||
| 6838 | // window opening should be blocked, to ensure that we don't FireAbuseEvents | |||
| 6839 | // for a window opening that wouldn't have succeeded in the first place. | |||
| 6840 | if (!aUrl.IsEmpty()) { | |||
| 6841 | // Note: the Void handling here is very important, because the window | |||
| 6842 | // watcher expects a null URL string (not an empty string) if there is no | |||
| 6843 | // URL to load. | |||
| 6844 | nsCString url; | |||
| 6845 | url.SetIsVoid(true); | |||
| 6846 | AppendUTF16toUTF8(aUrl, url); | |||
| 6847 | ||||
| 6848 | // It's safe to skip the security check below if we're a dialog because | |||
| 6849 | // window.openDialog is not callable from content script. See bug 56851. | |||
| 6850 | // | |||
| 6851 | // If we're not navigating, we assume that whoever *does* navigate the | |||
| 6852 | // window will do a security check of their own. | |||
| 6853 | if (!url.IsVoid()) { | |||
| 6854 | auto result = | |||
| 6855 | URIfromURLAndMaybeDoSecurityCheck(url, !aDialog && aNavigate); | |||
| 6856 | if (result.isErr()) { | |||
| 6857 | return result.unwrapErr(); | |||
| 6858 | } | |||
| 6859 | ||||
| 6860 | uri = result.unwrap(); | |||
| 6861 | } | |||
| 6862 | } else if (mDoc) { | |||
| 6863 | mDoc->SetUseCounter(eUseCounter_custom_WindowOpenEmptyUrl); | |||
| 6864 | } | |||
| 6865 | ||||
| 6866 | UserActivation::Modifiers modifiers; | |||
| 6867 | mBrowsingContext->GetUserActivationModifiersForPopup(&modifiers); | |||
| 6868 | ||||
| 6869 | PopupBlocker::PopupControlState abuseLevel = | |||
| 6870 | PopupBlocker::GetPopupControlState(); | |||
| 6871 | if (checkForPopup) { | |||
| 6872 | abuseLevel = mBrowsingContext->RevisePopupAbuseLevel(abuseLevel); | |||
| 6873 | if (abuseLevel >= PopupBlocker::openBlocked) { | |||
| 6874 | if (!aCalledNoScript) { | |||
| 6875 | // If script in some other window is doing a window.open on us and | |||
| 6876 | // it's being blocked, then it's OK to close us afterwards, probably. | |||
| 6877 | // But if we're doing a window.open on ourselves and block the popup, | |||
| 6878 | // prevent this window from closing until after this script terminates | |||
| 6879 | // so that whatever popup blocker UI the app has will be visible. | |||
| 6880 | nsCOMPtr<nsPIDOMWindowInner> entryWindow = | |||
| 6881 | do_QueryInterface(GetEntryGlobal()); | |||
| 6882 | // Note that entryWindow can be null here if some JS component was the | |||
| 6883 | // place where script was entered for this JS execution. | |||
| 6884 | if (entryWindow && entryWindow->GetOuterWindow() == this) { | |||
| 6885 | mBlockScriptedClosingFlag = true; | |||
| 6886 | closeUnblocker.emplace(this); | |||
| 6887 | } | |||
| 6888 | } | |||
| 6889 | ||||
| 6890 | FireAbuseEvents(aUrl, windowName, aOptions); | |||
| 6891 | return aDoJSFixups ? NS_OK : NS_ERROR_FAILURE; | |||
| 6892 | } | |||
| 6893 | } | |||
| 6894 | ||||
| 6895 | RefPtr<BrowsingContext> domReturn; | |||
| 6896 | ||||
| 6897 | nsresult rv = NS_OK; | |||
| 6898 | nsCOMPtr<nsIWindowWatcher> wwatch = | |||
| 6899 | do_GetService(NS_WINDOWWATCHER_CONTRACTID"@mozilla.org/embedcomp/window-watcher;1", &rv); | |||
| 6900 | NS_ENSURE_TRUE(wwatch, rv)do { if ((__builtin_expect(!!(!(wwatch)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "wwatch" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6900); return rv; } } while (false); | |||
| 6901 | ||||
| 6902 | NS_ConvertUTF16toUTF8 name(windowName); | |||
| 6903 | ||||
| 6904 | nsCOMPtr<nsPIWindowWatcher> pwwatch(do_QueryInterface(wwatch)); | |||
| 6905 | NS_ENSURE_STATE(pwwatch)do { if ((__builtin_expect(!!(!(pwwatch)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "pwwatch" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6905); return NS_ERROR_UNEXPECTED; } } while (false); | |||
| 6906 | ||||
| 6907 | MOZ_ASSERT_IF(checkForPopup, abuseLevel < PopupBlocker::openBlocked)do { if (checkForPopup) { do { static_assert( mozilla::detail ::AssertionConditionType<decltype(abuseLevel < PopupBlocker ::openBlocked)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(abuseLevel < PopupBlocker::openBlocked ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "abuseLevel < PopupBlocker::openBlocked", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6907); AnnotateMozCrashReason("MOZ_ASSERT" "(" "abuseLevel < PopupBlocker::openBlocked" ")"); do { *((volatile int*)__null) = 6907; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); } } while ( false); | |||
| 6908 | // At this point we should know for a fact that if checkForPopup then | |||
| 6909 | // abuseLevel < PopupBlocker::openBlocked, so we could just check for | |||
| 6910 | // abuseLevel == PopupBlocker::openControlled. But let's be defensive just in | |||
| 6911 | // case and treat anything that fails the above assert as a spam popup too, if | |||
| 6912 | // it ever happens. | |||
| 6913 | bool isPopupSpamWindow = | |||
| 6914 | checkForPopup && (abuseLevel >= PopupBlocker::openControlled); | |||
| 6915 | ||||
| 6916 | const auto wwPrintKind = [&] { | |||
| 6917 | switch (aPrintKind) { | |||
| 6918 | case PrintKind::None: | |||
| 6919 | return nsPIWindowWatcher::PRINT_NONE; | |||
| 6920 | case PrintKind::InternalPrint: | |||
| 6921 | return nsPIWindowWatcher::PRINT_INTERNAL; | |||
| 6922 | case PrintKind::WindowDotPrint: | |||
| 6923 | return nsPIWindowWatcher::PRINT_WINDOW_DOT_PRINT; | |||
| 6924 | } | |||
| 6925 | MOZ_ASSERT_UNREACHABLE("Wat")do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "Wat" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6925); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "Wat" ")"); do { *((volatile int* )__null) = 6925; __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); | |||
| 6926 | return nsPIWindowWatcher::PRINT_NONE; | |||
| 6927 | }(); | |||
| 6928 | ||||
| 6929 | { | |||
| 6930 | // Reset popup state while opening a window to prevent the | |||
| 6931 | // current state from being active the whole time a modal | |||
| 6932 | // dialog is open. | |||
| 6933 | AutoPopupStatePusherAutoPopupStatePusherInternal popupStatePusher(PopupBlocker::openAbused, true); | |||
| 6934 | ||||
| 6935 | if (!aCalledNoScript) { | |||
| 6936 | // We asserted at the top of this function that aNavigate is true for | |||
| 6937 | // !aCalledNoScript. | |||
| 6938 | rv = pwwatch->OpenWindow2(this, uri, name, options, modifiers, | |||
| 6939 | /* aCalledFromScript = */ true, aDialog, | |||
| 6940 | aNavigate, argv, isPopupSpamWindow, | |||
| 6941 | forceNoOpener, forceNoReferrer, wwPrintKind, | |||
| 6942 | aLoadState, getter_AddRefs(domReturn)); | |||
| 6943 | } else { | |||
| 6944 | // Force a system caller here so that the window watcher won't screw us | |||
| 6945 | // up. We do NOT want this case looking at the JS context on the stack | |||
| 6946 | // when searching. Compare comments on | |||
| 6947 | // nsIDOMWindow::OpenWindow and nsIWindowWatcher::OpenWindow. | |||
| 6948 | ||||
| 6949 | // Note: Because nsWindowWatcher is so broken, it's actually important | |||
| 6950 | // that we don't force a system caller here, because that screws it up | |||
| 6951 | // when it tries to compute the caller principal to associate with dialog | |||
| 6952 | // arguments. That whole setup just really needs to be rewritten. :-( | |||
| 6953 | Maybe<AutoNoJSAPI> nojsapi; | |||
| 6954 | if (!aContentModal) { | |||
| 6955 | nojsapi.emplace(); | |||
| 6956 | } | |||
| 6957 | ||||
| 6958 | rv = pwwatch->OpenWindow2(this, uri, name, options, modifiers, | |||
| 6959 | /* aCalledFromScript = */ false, aDialog, | |||
| 6960 | aNavigate, aExtraArgument, isPopupSpamWindow, | |||
| 6961 | forceNoOpener, forceNoReferrer, wwPrintKind, | |||
| 6962 | aLoadState, getter_AddRefs(domReturn)); | |||
| 6963 | } | |||
| 6964 | } | |||
| 6965 | ||||
| 6966 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6966); return rv; } } while (false); | |||
| 6967 | ||||
| 6968 | // success! | |||
| 6969 | ||||
| 6970 | if (!aCalledNoScript && !windowExists && uri && !forceNoOpener) { | |||
| 6971 | MaybeAllowStorageForOpenedWindow(uri); | |||
| 6972 | } | |||
| 6973 | ||||
| 6974 | if (domReturn && aDoJSFixups) { | |||
| 6975 | nsPIDOMWindowOuter* outer = domReturn->GetDOMWindow(); | |||
| 6976 | if (outer && !nsGlobalWindowOuter::Cast(outer)->IsChromeWindow()) { | |||
| 6977 | // A new non-chrome window was created from a call to | |||
| 6978 | // window.open() from JavaScript, make sure there's a document in | |||
| 6979 | // the new window. We do this by simply asking the new window for | |||
| 6980 | // its document, this will synchronously create an empty document | |||
| 6981 | // if there is no document in the window. | |||
| 6982 | // XXXbz should this just use EnsureInnerWindow()? | |||
| 6983 | ||||
| 6984 | // Force document creation. | |||
| 6985 | nsCOMPtr<Document> doc = outer->GetDoc(); | |||
| 6986 | Unused << doc; | |||
| 6987 | } | |||
| 6988 | } | |||
| 6989 | ||||
| 6990 | domReturn.forget(aReturn); | |||
| 6991 | return NS_OK; | |||
| 6992 | } | |||
| 6993 | ||||
| 6994 | void nsGlobalWindowOuter::MaybeAllowStorageForOpenedWindow(nsIURI* aURI) { | |||
| 6995 | nsGlobalWindowInner* inner = GetCurrentInnerWindowInternal(this); | |||
| 6996 | if (NS_WARN_IF(!inner)NS_warn_if_impl(!inner, "!inner", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 6996)) { | |||
| 6997 | return; | |||
| 6998 | } | |||
| 6999 | ||||
| 7000 | // No 3rd party URL/window. | |||
| 7001 | if (!AntiTrackingUtils::IsThirdPartyWindow(inner, aURI)) { | |||
| 7002 | return; | |||
| 7003 | } | |||
| 7004 | ||||
| 7005 | Document* doc = inner->GetDoc(); | |||
| 7006 | if (!doc) { | |||
| 7007 | return; | |||
| 7008 | } | |||
| 7009 | nsCOMPtr<nsIPrincipal> principal = BasePrincipal::CreateContentPrincipal( | |||
| 7010 | aURI, doc->NodePrincipal()->OriginAttributesRef()); | |||
| 7011 | ||||
| 7012 | // We don't care when the asynchronous work finishes here. | |||
| 7013 | // Without e10s or fission enabled this is run in the parent process. | |||
| 7014 | if (XRE_IsParentProcess()) { | |||
| 7015 | Unused << StorageAccessAPIHelper::AllowAccessForOnParentProcess( | |||
| 7016 | principal, GetBrowsingContext(), ContentBlockingNotifier::eOpener); | |||
| 7017 | } else { | |||
| 7018 | Unused << StorageAccessAPIHelper::AllowAccessForOnChildProcess( | |||
| 7019 | principal, GetBrowsingContext(), ContentBlockingNotifier::eOpener); | |||
| 7020 | } | |||
| 7021 | } | |||
| 7022 | ||||
| 7023 | //***************************************************************************** | |||
| 7024 | // nsGlobalWindowOuter: Helper Functions | |||
| 7025 | //***************************************************************************** | |||
| 7026 | ||||
| 7027 | already_AddRefed<nsIDocShellTreeOwner> nsPIDOMWindowOuter::GetTreeOwner() { | |||
| 7028 | // If there's no docShellAsItem, this window must have been closed, | |||
| 7029 | // in that case there is no tree owner. | |||
| 7030 | ||||
| 7031 | if (!mDocShell) { | |||
| 7032 | return nullptr; | |||
| 7033 | } | |||
| 7034 | ||||
| 7035 | nsCOMPtr<nsIDocShellTreeOwner> treeOwner; | |||
| 7036 | mDocShell->GetTreeOwner(getter_AddRefs(treeOwner)); | |||
| 7037 | return treeOwner.forget(); | |||
| 7038 | } | |||
| 7039 | ||||
| 7040 | already_AddRefed<nsIBaseWindow> nsPIDOMWindowOuter::GetTreeOwnerWindow() { | |||
| 7041 | nsCOMPtr<nsIDocShellTreeOwner> treeOwner; | |||
| 7042 | ||||
| 7043 | // If there's no mDocShell, this window must have been closed, | |||
| 7044 | // in that case there is no tree owner. | |||
| 7045 | ||||
| 7046 | if (mDocShell) { | |||
| 7047 | mDocShell->GetTreeOwner(getter_AddRefs(treeOwner)); | |||
| 7048 | } | |||
| 7049 | ||||
| 7050 | nsCOMPtr<nsIBaseWindow> baseWindow = do_QueryInterface(treeOwner); | |||
| 7051 | return baseWindow.forget(); | |||
| 7052 | } | |||
| 7053 | ||||
| 7054 | already_AddRefed<nsIWebBrowserChrome> | |||
| 7055 | nsPIDOMWindowOuter::GetWebBrowserChrome() { | |||
| 7056 | nsCOMPtr<nsIDocShellTreeOwner> treeOwner = GetTreeOwner(); | |||
| 7057 | ||||
| 7058 | nsCOMPtr<nsIWebBrowserChrome> browserChrome = do_GetInterface(treeOwner); | |||
| 7059 | return browserChrome.forget(); | |||
| 7060 | } | |||
| 7061 | ||||
| 7062 | ScrollContainerFrame* nsGlobalWindowOuter::GetScrollContainerFrame() { | |||
| 7063 | if (!mDocShell) { | |||
| 7064 | return nullptr; | |||
| 7065 | } | |||
| 7066 | ||||
| 7067 | PresShell* presShell = mDocShell->GetPresShell(); | |||
| 7068 | if (presShell) { | |||
| 7069 | return presShell->GetRootScrollContainerFrame(); | |||
| 7070 | } | |||
| 7071 | return nullptr; | |||
| 7072 | } | |||
| 7073 | ||||
| 7074 | Result<already_AddRefed<nsIURI>, nsresult> | |||
| 7075 | nsGlobalWindowOuter::URIfromURLAndMaybeDoSecurityCheck(const nsACString& aURL, | |||
| 7076 | bool aSecurityCheck) { | |||
| 7077 | nsCOMPtr<nsPIDOMWindowInner> sourceWindow = | |||
| 7078 | do_QueryInterface(GetEntryGlobal()); | |||
| 7079 | if (!sourceWindow) { | |||
| 7080 | sourceWindow = GetCurrentInnerWindow(); | |||
| 7081 | } | |||
| 7082 | ||||
| 7083 | // Resolve the baseURI, which could be relative to the calling window. | |||
| 7084 | // | |||
| 7085 | // Note the algorithm to get the base URI should match the one | |||
| 7086 | // used to actually kick off the load in nsWindowWatcher.cpp. | |||
| 7087 | nsCOMPtr<Document> doc = sourceWindow->GetDoc(); | |||
| 7088 | nsIURI* baseURI = nullptr; | |||
| 7089 | auto encoding = UTF_8_ENCODING; // default to utf-8 | |||
| 7090 | if (doc) { | |||
| 7091 | baseURI = doc->GetDocBaseURI(); | |||
| 7092 | encoding = doc->GetDocumentCharacterSet(); | |||
| 7093 | } | |||
| 7094 | nsCOMPtr<nsIURI> uri; | |||
| 7095 | nsresult rv = NS_NewURI(getter_AddRefs(uri), aURL, encoding, baseURI); | |||
| 7096 | if (NS_WARN_IF(NS_FAILED(rv))NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(rv )), 0))), "NS_FAILED(rv)", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 7096)) { | |||
| 7097 | return Err(NS_ERROR_DOM_SYNTAX_ERR); | |||
| 7098 | } | |||
| 7099 | ||||
| 7100 | if (aSecurityCheck) { | |||
| 7101 | AutoJSContext cx; | |||
| 7102 | nsGlobalWindowInner* sourceWin = nsGlobalWindowInner::Cast(sourceWindow); | |||
| 7103 | JSAutoRealm ar(cx, sourceWin->GetGlobalJSObject()); | |||
| 7104 | ||||
| 7105 | if (NS_FAILED(nsContentUtils::GetSecurityManager()->CheckLoadURIFromScript(((bool)(__builtin_expect(!!(NS_FAILED_impl(nsContentUtils::GetSecurityManager ()->CheckLoadURIFromScript( cx, uri))), 0))) | |||
| 7106 | cx, uri))((bool)(__builtin_expect(!!(NS_FAILED_impl(nsContentUtils::GetSecurityManager ()->CheckLoadURIFromScript( cx, uri))), 0)))) { | |||
| 7107 | return Err(NS_ERROR_FAILURE); | |||
| 7108 | } | |||
| 7109 | } | |||
| 7110 | ||||
| 7111 | return uri.forget(); | |||
| 7112 | } | |||
| 7113 | ||||
| 7114 | void nsGlobalWindowOuter::FlushPendingNotifications(FlushType aType) { | |||
| 7115 | if (mDoc) { | |||
| 7116 | mDoc->FlushPendingNotifications(aType); | |||
| 7117 | } | |||
| 7118 | } | |||
| 7119 | ||||
| 7120 | void nsGlobalWindowOuter::EnsureSizeAndPositionUpToDate() { | |||
| 7121 | // If we're a subframe, make sure our size is up to date. Make sure to go | |||
| 7122 | // through the document chain rather than the window chain to not flush on | |||
| 7123 | // detached iframes, see bug 1545516. | |||
| 7124 | if (mDoc && mDoc->StyleOrLayoutObservablyDependsOnParentDocumentLayout()) { | |||
| 7125 | RefPtr<Document> parent = mDoc->GetInProcessParentDocument(); | |||
| 7126 | parent->FlushPendingNotifications(FlushType::Layout); | |||
| 7127 | } | |||
| 7128 | } | |||
| 7129 | ||||
| 7130 | already_AddRefed<nsISupports> nsGlobalWindowOuter::SaveWindowState() { | |||
| 7131 | MOZ_ASSERT(!mozilla::SessionHistoryInParent())do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mozilla::SessionHistoryInParent())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mozilla::SessionHistoryInParent ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("!mozilla::SessionHistoryInParent()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 7131); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mozilla::SessionHistoryInParent()" ")"); do { *((volatile int*)__null) = 7131; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 7132 | ||||
| 7133 | if (!mContext || !GetWrapperPreserveColor()) { | |||
| 7134 | // The window may be getting torn down; don't bother saving state. | |||
| 7135 | return nullptr; | |||
| 7136 | } | |||
| 7137 | ||||
| 7138 | nsGlobalWindowInner* inner = GetCurrentInnerWindowInternal(this); | |||
| 7139 | NS_ASSERTION(inner, "No inner window to save")do { if (!(inner)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "No inner window to save" , "inner", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 7139); MOZ_PretendNoReturn(); } } while (0); | |||
| 7140 | ||||
| 7141 | if (WindowContext* wc = inner->GetWindowContext()) { | |||
| 7142 | MOZ_ASSERT(!wc->GetWindowStateSaved())do { static_assert( mozilla::detail::AssertionConditionType< decltype(!wc->GetWindowStateSaved())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!wc->GetWindowStateSaved( )))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("!wc->GetWindowStateSaved()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 7142); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!wc->GetWindowStateSaved()" ")"); do { *((volatile int*)__null) = 7142; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 7143 | Unused << wc->SetWindowStateSaved(true); | |||
| 7144 | } | |||
| 7145 | ||||
| 7146 | // Don't do anything else to this inner window! After this point, all | |||
| 7147 | // calls to SetTimeoutOrInterval will create entries in the timeout | |||
| 7148 | // list that will only run after this window has come out of the bfcache. | |||
| 7149 | // Also, while we're frozen, we won't dispatch online/offline events | |||
| 7150 | // to the page. | |||
| 7151 | inner->Freeze(); | |||
| 7152 | ||||
| 7153 | nsCOMPtr<nsISupports> state = new WindowStateHolder(inner); | |||
| 7154 | ||||
| 7155 | MOZ_LOG(gPageCacheLog, LogLevel::Debug,do { const ::mozilla::LogModule* moz_real_module = gPageCacheLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "saving window state, state = %p", (void*) state); } } while (0) | |||
| 7156 | ("saving window state, state = %p", (void*)state))do { const ::mozilla::LogModule* moz_real_module = gPageCacheLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "saving window state, state = %p", (void*) state); } } while (0); | |||
| 7157 | ||||
| 7158 | return state.forget(); | |||
| 7159 | } | |||
| 7160 | ||||
| 7161 | nsresult nsGlobalWindowOuter::RestoreWindowState(nsISupports* aState) { | |||
| 7162 | MOZ_ASSERT(!mozilla::SessionHistoryInParent())do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mozilla::SessionHistoryInParent())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mozilla::SessionHistoryInParent ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("!mozilla::SessionHistoryInParent()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 7162); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mozilla::SessionHistoryInParent()" ")"); do { *((volatile int*)__null) = 7162; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 7163 | ||||
| 7164 | if (!mContext || !GetWrapperPreserveColor()) { | |||
| 7165 | // The window may be getting torn down; don't bother restoring state. | |||
| 7166 | return NS_OK; | |||
| 7167 | } | |||
| 7168 | ||||
| 7169 | nsCOMPtr<WindowStateHolder> holder = do_QueryInterface(aState); | |||
| 7170 | NS_ENSURE_TRUE(holder, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(holder)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "holder" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 7170); return NS_ERROR_FAILURE; } } while (false); | |||
| 7171 | ||||
| 7172 | MOZ_LOG(gPageCacheLog, LogLevel::Debug,do { const ::mozilla::LogModule* moz_real_module = gPageCacheLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "restoring window state, state = %p", (void *)holder); } } while (0) | |||
| 7173 | ("restoring window state, state = %p", (void*)holder))do { const ::mozilla::LogModule* moz_real_module = gPageCacheLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "restoring window state, state = %p", (void *)holder); } } while (0); | |||
| 7174 | ||||
| 7175 | // And we're ready to go! | |||
| 7176 | nsGlobalWindowInner* inner = GetCurrentInnerWindowInternal(this); | |||
| 7177 | ||||
| 7178 | // if a link is focused, refocus with the FLAG_SHOWRING flag set. This makes | |||
| 7179 | // it easy to tell which link was last clicked when going back a page. | |||
| 7180 | RefPtr<Element> focusedElement = inner->GetFocusedElement(); | |||
| 7181 | if (nsContentUtils::ContentIsLink(focusedElement)) { | |||
| 7182 | if (RefPtr<nsFocusManager> fm = nsFocusManager::GetFocusManager()) { | |||
| 7183 | fm->SetFocus(focusedElement, nsIFocusManager::FLAG_NOSCROLL | | |||
| 7184 | nsIFocusManager::FLAG_SHOWRING); | |||
| 7185 | } | |||
| 7186 | } | |||
| 7187 | ||||
| 7188 | if (WindowContext* wc = inner->GetWindowContext()) { | |||
| 7189 | MOZ_ASSERT(wc->GetWindowStateSaved())do { static_assert( mozilla::detail::AssertionConditionType< decltype(wc->GetWindowStateSaved())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(wc->GetWindowStateSaved() ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "wc->GetWindowStateSaved()", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 7189); AnnotateMozCrashReason("MOZ_ASSERT" "(" "wc->GetWindowStateSaved()" ")"); do { *((volatile int*)__null) = 7189; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 7190 | Unused << wc->SetWindowStateSaved(false); | |||
| 7191 | } | |||
| 7192 | ||||
| 7193 | inner->Thaw(); | |||
| 7194 | ||||
| 7195 | holder->DidRestoreWindow(); | |||
| 7196 | ||||
| 7197 | return NS_OK; | |||
| 7198 | } | |||
| 7199 | ||||
| 7200 | void nsGlobalWindowOuter::AddSizeOfIncludingThis( | |||
| 7201 | nsWindowSizes& aWindowSizes) const { | |||
| 7202 | aWindowSizes.mDOMSizes.mDOMOtherSize += | |||
| 7203 | aWindowSizes.mState.mMallocSizeOf(this); | |||
| 7204 | } | |||
| 7205 | ||||
| 7206 | uint32_t nsGlobalWindowOuter::GetAutoActivateVRDisplayID() { | |||
| 7207 | uint32_t retVal = mAutoActivateVRDisplayID; | |||
| 7208 | mAutoActivateVRDisplayID = 0; | |||
| 7209 | return retVal; | |||
| 7210 | } | |||
| 7211 | ||||
| 7212 | void nsGlobalWindowOuter::SetAutoActivateVRDisplayID( | |||
| 7213 | uint32_t aAutoActivateVRDisplayID) { | |||
| 7214 | mAutoActivateVRDisplayID = aAutoActivateVRDisplayID; | |||
| 7215 | } | |||
| 7216 | ||||
| 7217 | already_AddRefed<nsWindowRoot> nsGlobalWindowOuter::GetWindowRootOuter() { | |||
| 7218 | nsCOMPtr<nsPIWindowRoot> root = GetTopWindowRoot(); | |||
| 7219 | return root.forget().downcast<nsWindowRoot>(); | |||
| 7220 | } | |||
| 7221 | ||||
| 7222 | nsIDOMWindowUtils* nsGlobalWindowOuter::WindowUtils() { | |||
| 7223 | if (!mWindowUtils) { | |||
| 7224 | mWindowUtils = new nsDOMWindowUtils(this); | |||
| 7225 | } | |||
| 7226 | return mWindowUtils; | |||
| 7227 | } | |||
| 7228 | ||||
| 7229 | bool nsGlobalWindowOuter::IsInSyncOperation() { | |||
| 7230 | return GetExtantDoc() && GetExtantDoc()->IsInSyncOperation(); | |||
| 7231 | } | |||
| 7232 | ||||
| 7233 | // Note: This call will lock the cursor, it will not change as it moves. | |||
| 7234 | // To unlock, the cursor must be set back to Auto. | |||
| 7235 | void nsGlobalWindowOuter::SetCursorOuter(const nsACString& aCursor, | |||
| 7236 | ErrorResult& aError) { | |||
| 7237 | auto cursor = StyleCursorKind::Auto; | |||
| 7238 | if (!Servo_CursorKind_Parse(&aCursor, &cursor)) { | |||
| 7239 | // FIXME: It's a bit weird that this doesn't throw but stuff below does, but | |||
| 7240 | // matches previous behavior so... | |||
| 7241 | return; | |||
| 7242 | } | |||
| 7243 | ||||
| 7244 | RefPtr<nsPresContext> presContext; | |||
| 7245 | if (mDocShell) { | |||
| 7246 | presContext = mDocShell->GetPresContext(); | |||
| 7247 | } | |||
| 7248 | ||||
| 7249 | if (presContext) { | |||
| 7250 | // Need root widget. | |||
| 7251 | PresShell* presShell = mDocShell->GetPresShell(); | |||
| 7252 | if (!presShell) { | |||
| 7253 | aError.Throw(NS_ERROR_FAILURE); | |||
| 7254 | return; | |||
| 7255 | } | |||
| 7256 | ||||
| 7257 | nsViewManager* vm = presShell->GetViewManager(); | |||
| 7258 | if (!vm) { | |||
| 7259 | aError.Throw(NS_ERROR_FAILURE); | |||
| 7260 | return; | |||
| 7261 | } | |||
| 7262 | ||||
| 7263 | nsView* rootView = vm->GetRootView(); | |||
| 7264 | if (!rootView) { | |||
| 7265 | aError.Throw(NS_ERROR_FAILURE); | |||
| 7266 | return; | |||
| 7267 | } | |||
| 7268 | ||||
| 7269 | nsIWidget* widget = rootView->GetNearestWidget(nullptr); | |||
| 7270 | if (!widget) { | |||
| 7271 | aError.Throw(NS_ERROR_FAILURE); | |||
| 7272 | return; | |||
| 7273 | } | |||
| 7274 | ||||
| 7275 | // Call esm and set cursor. | |||
| 7276 | aError = presContext->EventStateManager()->SetCursor( | |||
| 7277 | cursor, nullptr, {}, Nothing(), widget, true); | |||
| 7278 | } | |||
| 7279 | } | |||
| 7280 | ||||
| 7281 | nsIBrowserDOMWindow* nsGlobalWindowOuter::GetBrowserDOMWindow() { | |||
| 7282 | MOZ_RELEASE_ASSERT(IsChromeWindow())do { static_assert( mozilla::detail::AssertionConditionType< decltype(IsChromeWindow())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(IsChromeWindow()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("IsChromeWindow()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 7282); AnnotateMozCrashReason("MOZ_RELEASE_ASSERT" "(" "IsChromeWindow()" ")"); do { *((volatile int*)__null) = 7282; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 7283 | return mChromeFields.mBrowserDOMWindow; | |||
| 7284 | } | |||
| 7285 | ||||
| 7286 | void nsGlobalWindowOuter::SetBrowserDOMWindowOuter( | |||
| 7287 | nsIBrowserDOMWindow* aBrowserWindow) { | |||
| 7288 | MOZ_ASSERT(IsChromeWindow())do { static_assert( mozilla::detail::AssertionConditionType< decltype(IsChromeWindow())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(IsChromeWindow()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("IsChromeWindow()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 7288); AnnotateMozCrashReason("MOZ_ASSERT" "(" "IsChromeWindow()" ")"); do { *((volatile int*)__null) = 7288; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 7289 | mChromeFields.mBrowserDOMWindow = aBrowserWindow; | |||
| 7290 | } | |||
| 7291 | ||||
| 7292 | ChromeMessageBroadcaster* nsGlobalWindowOuter::GetMessageManager() { | |||
| 7293 | if (!mInnerWindow) { | |||
| 7294 | NS_WARNING("No inner window available!")NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 7294); | |||
| 7295 | return nullptr; | |||
| 7296 | } | |||
| 7297 | return GetCurrentInnerWindowInternal(this)->MessageManager(); | |||
| 7298 | } | |||
| 7299 | ||||
| 7300 | ChromeMessageBroadcaster* nsGlobalWindowOuter::GetGroupMessageManager( | |||
| 7301 | const nsAString& aGroup) { | |||
| 7302 | if (!mInnerWindow) { | |||
| 7303 | NS_WARNING("No inner window available!")NS_DebugBreak(NS_DEBUG_WARNING, "No inner window available!", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 7303); | |||
| 7304 | return nullptr; | |||
| 7305 | } | |||
| 7306 | return GetCurrentInnerWindowInternal(this)->GetGroupMessageManager(aGroup); | |||
| 7307 | } | |||
| 7308 | ||||
| 7309 | void nsGlobalWindowOuter::InitWasOffline() { mWasOffline = NS_IsOffline(); } | |||
| 7310 | ||||
| 7311 | #if defined(_WINDOWS_) && !defined(MOZ_WRAPPED_WINDOWS_H) | |||
| 7312 | # pragma message( \ | |||
| 7313 | "wrapper failure reason: " MOZ_WINDOWS_WRAPPER_DISABLED_REASON) | |||
| 7314 | # error "Never include unwrapped windows.h in this file!" | |||
| 7315 | #endif | |||
| 7316 | ||||
| 7317 | // Helper called by methods that move/resize the window, | |||
| 7318 | // to ensure the presContext (if any) is aware of resolution | |||
| 7319 | // change that may happen in multi-monitor configuration. | |||
| 7320 | void nsGlobalWindowOuter::CheckForDPIChange() { | |||
| 7321 | if (mDocShell) { | |||
| 7322 | RefPtr<nsPresContext> presContext = mDocShell->GetPresContext(); | |||
| 7323 | if (presContext) { | |||
| 7324 | if (presContext->DeviceContext()->CheckDPIChange()) { | |||
| 7325 | presContext->UIResolutionChanged(); | |||
| 7326 | } | |||
| 7327 | } | |||
| 7328 | } | |||
| 7329 | } | |||
| 7330 | ||||
| 7331 | nsresult nsGlobalWindowOuter::Dispatch( | |||
| 7332 | already_AddRefed<nsIRunnable>&& aRunnable) const { | |||
| 7333 | MOZ_RELEASE_ASSERT(NS_IsMainThread())do { static_assert( mozilla::detail::AssertionConditionType< decltype(NS_IsMainThread())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(NS_IsMainThread()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("NS_IsMainThread()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 7333); AnnotateMozCrashReason("MOZ_RELEASE_ASSERT" "(" "NS_IsMainThread()" ")"); do { *((volatile int*)__null) = 7333; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 7334 | return NS_DispatchToCurrentThread(std::move(aRunnable)); | |||
| 7335 | } | |||
| 7336 | ||||
| 7337 | nsISerialEventTarget* nsGlobalWindowOuter::SerialEventTarget() const { | |||
| 7338 | MOZ_RELEASE_ASSERT(NS_IsMainThread())do { static_assert( mozilla::detail::AssertionConditionType< decltype(NS_IsMainThread())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(NS_IsMainThread()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("NS_IsMainThread()" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 7338); AnnotateMozCrashReason("MOZ_RELEASE_ASSERT" "(" "NS_IsMainThread()" ")"); do { *((volatile int*)__null) = 7338; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 7339 | return GetMainThreadSerialEventTarget(); | |||
| 7340 | } | |||
| 7341 | ||||
| 7342 | void nsGlobalWindowOuter::MaybeResetWindowName(Document* aNewDocument) { | |||
| 7343 | MOZ_ASSERT(aNewDocument)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aNewDocument)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aNewDocument))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aNewDocument", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 7343); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aNewDocument" ")"); do { *((volatile int*)__null) = 7343; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 7344 | ||||
| 7345 | if (!StaticPrefs::privacy_window_name_update_enabled()) { | |||
| 7346 | return; | |||
| 7347 | } | |||
| 7348 | ||||
| 7349 | const LoadingSessionHistoryInfo* info = | |||
| 7350 | nsDocShell::Cast(mDocShell)->GetLoadingSessionHistoryInfo(); | |||
| 7351 | if (!info || info->mForceMaybeResetName.isNothing()) { | |||
| 7352 | // We only reset the window name for the top-level content as well as | |||
| 7353 | // storing in session entries. | |||
| 7354 | if (!GetBrowsingContext()->IsTopContent()) { | |||
| 7355 | return; | |||
| 7356 | } | |||
| 7357 | ||||
| 7358 | // Following implements https://html.spec.whatwg.org/#history-traversal: | |||
| 7359 | // Step 4.2. Check if the loading document has a different origin than the | |||
| 7360 | // previous document. | |||
| 7361 | ||||
| 7362 | // We don't need to do anything if we haven't loaded a non-initial document. | |||
| 7363 | if (!GetBrowsingContext()->GetHasLoadedNonInitialDocument()) { | |||
| 7364 | return; | |||
| 7365 | } | |||
| 7366 | ||||
| 7367 | // If we have an existing document, directly check the document prinicpals | |||
| 7368 | // with the new document to know if it is cross-origin. | |||
| 7369 | // | |||
| 7370 | // Note that there will be an issue of initial document handling in Fission | |||
| 7371 | // when running the WPT unset_context_name-1.html. In the test, the first | |||
| 7372 | // about:blank page would be loaded with the principal of the testing domain | |||
| 7373 | // in Fission and the window.name will be set there. Then, The window.name | |||
| 7374 | // won't be reset after navigating to the testing page because the principal | |||
| 7375 | // is the same. But, it won't be the case for non-Fission mode that the | |||
| 7376 | // first about:blank will be loaded with a null principal and the | |||
| 7377 | // window.name will be reset when loading the test page. | |||
| 7378 | if (mDoc && mDoc->NodePrincipal()->Equals(aNewDocument->NodePrincipal())) { | |||
| 7379 | return; | |||
| 7380 | } | |||
| 7381 | ||||
| 7382 | // If we don't have an existing document, and if it's not the initial | |||
| 7383 | // about:blank, we could be loading a document because of the | |||
| 7384 | // process-switching. In this case, this should be a cross-origin | |||
| 7385 | // navigation. | |||
| 7386 | } else if (!info->mForceMaybeResetName.ref()) { | |||
| 7387 | return; | |||
| 7388 | } | |||
| 7389 | ||||
| 7390 | // Step 4.2.2 Store the window.name into all session history entries that have | |||
| 7391 | // the same origin as the previous document. | |||
| 7392 | nsDocShell::Cast(mDocShell)->StoreWindowNameToSHEntries(); | |||
| 7393 | ||||
| 7394 | // Step 4.2.3 Clear the window.name if the browsing context is the top-level | |||
| 7395 | // content and doesn't have an opener. | |||
| 7396 | ||||
| 7397 | // We need to reset the window name in case of a cross-origin navigation, | |||
| 7398 | // without an opener. | |||
| 7399 | RefPtr<BrowsingContext> opener = GetOpenerBrowsingContext(); | |||
| 7400 | if (opener) { | |||
| 7401 | return; | |||
| 7402 | } | |||
| 7403 | ||||
| 7404 | Unused << mBrowsingContext->SetName(EmptyString()); | |||
| 7405 | } | |||
| 7406 | ||||
| 7407 | nsGlobalWindowOuter::TemporarilyDisableDialogs::TemporarilyDisableDialogs( | |||
| 7408 | BrowsingContext* aBC) { | |||
| 7409 | BrowsingContextGroup* group = aBC->Group(); | |||
| 7410 | if (!group) { | |||
| 7411 | NS_ERROR(do { NS_DebugBreak(NS_DEBUG_ASSERTION, "nsGlobalWindowOuter::TemporarilyDisableDialogs called without a " "browsing context group?", "Error", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 7413); MOZ_PretendNoReturn(); } while (0) | |||
| 7412 | "nsGlobalWindowOuter::TemporarilyDisableDialogs called without a "do { NS_DebugBreak(NS_DEBUG_ASSERTION, "nsGlobalWindowOuter::TemporarilyDisableDialogs called without a " "browsing context group?", "Error", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 7413); MOZ_PretendNoReturn(); } while (0) | |||
| 7413 | "browsing context group?")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "nsGlobalWindowOuter::TemporarilyDisableDialogs called without a " "browsing context group?", "Error", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 7413); MOZ_PretendNoReturn(); } while (0); | |||
| 7414 | return; | |||
| 7415 | } | |||
| 7416 | ||||
| 7417 | if (group) { | |||
| 7418 | mGroup = group; | |||
| 7419 | mSavedDialogsEnabled = group->GetAreDialogsEnabled(); | |||
| 7420 | group->SetAreDialogsEnabled(false); | |||
| 7421 | } | |||
| 7422 | } | |||
| 7423 | ||||
| 7424 | nsGlobalWindowOuter::TemporarilyDisableDialogs::~TemporarilyDisableDialogs() { | |||
| 7425 | if (mGroup) { | |||
| 7426 | mGroup->SetAreDialogsEnabled(mSavedDialogsEnabled); | |||
| 7427 | } | |||
| 7428 | } | |||
| 7429 | ||||
| 7430 | /* static */ | |||
| 7431 | already_AddRefed<nsGlobalWindowOuter> nsGlobalWindowOuter::Create( | |||
| 7432 | nsDocShell* aDocShell, bool aIsChrome) { | |||
| 7433 | uint64_t outerWindowID = aDocShell->GetOuterWindowID(); | |||
| 7434 | RefPtr<nsGlobalWindowOuter> window = new nsGlobalWindowOuter(outerWindowID); | |||
| 7435 | if (aIsChrome) { | |||
| 7436 | window->mIsChrome = true; | |||
| 7437 | } | |||
| 7438 | window->SetDocShell(aDocShell); | |||
| 7439 | ||||
| 7440 | window->InitWasOffline(); | |||
| 7441 | return window.forget(); | |||
| 7442 | } | |||
| 7443 | ||||
| 7444 | nsIURI* nsPIDOMWindowOuter::GetDocumentURI() const { | |||
| 7445 | return mDoc ? mDoc->GetDocumentURI() : mDocumentURI.get(); | |||
| 7446 | } | |||
| 7447 | ||||
| 7448 | void nsPIDOMWindowOuter::MaybeCreateDoc() { | |||
| 7449 | MOZ_ASSERT(!mDoc)do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mDoc)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(!mDoc))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("!mDoc", "/var/lib/jenkins/workspace/firefox-scan-build/dom/base/nsGlobalWindowOuter.cpp" , 7449); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mDoc" ")") ; do { *((volatile int*)__null) = 7449; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 7450 | if (nsIDocShell* docShell = GetDocShell()) { | |||
| 7451 | // Note that |document| here is the same thing as our mDoc, but we | |||
| 7452 | // don't have to explicitly set the member variable because the docshell | |||
| 7453 | // has already called SetNewDocument(). | |||
| 7454 | nsCOMPtr<Document> document = docShell->GetDocument(); | |||
| 7455 | Unused << document; | |||
| 7456 | } | |||
| 7457 | } | |||
| 7458 | ||||
| 7459 | void nsPIDOMWindowOuter::SetChromeEventHandlerInternal( | |||
| 7460 | EventTarget* aChromeEventHandler) { | |||
| 7461 | // Out-of-line so we don't need to include ContentFrameMessageManager.h in | |||
| 7462 | // nsPIDOMWindow.h. | |||
| 7463 | mChromeEventHandler = aChromeEventHandler; | |||
| 7464 | ||||
| 7465 | // mParentTarget and mMessageManager will be set when the next event is | |||
| 7466 | // dispatched or someone asks for our message manager. | |||
| 7467 | mParentTarget = nullptr; | |||
| 7468 | mMessageManager = nullptr; | |||
| 7469 | } | |||
| 7470 | ||||
| 7471 | mozilla::dom::DocGroup* nsPIDOMWindowOuter::GetDocGroup() const { | |||
| 7472 | Document* doc = GetExtantDoc(); | |||
| 7473 | if (doc) { | |||
| 7474 | return doc->GetDocGroup(); | |||
| 7475 | } | |||
| 7476 | return nullptr; | |||
| 7477 | } | |||
| 7478 | ||||
| 7479 | nsPIDOMWindowOuter::nsPIDOMWindowOuter(uint64_t aWindowID) | |||
| 7480 | : mFrameElement(nullptr), | |||
| 7481 | mModalStateDepth(0), | |||
| 7482 | mSuppressEventHandlingDepth(0), | |||
| 7483 | mIsBackground(false), | |||
| 7484 | mIsRootOuterWindow(false), | |||
| 7485 | mInnerWindow(nullptr), | |||
| 7486 | mWindowID(aWindowID), | |||
| 7487 | mMarkedCCGeneration(0) {} | |||
| 7488 | ||||
| 7489 | nsPIDOMWindowOuter::~nsPIDOMWindowOuter() = default; |
| 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| 2 | /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
| 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| 6 | |
| 7 | #ifndef mozilla_dom_WindowFeatures_h |
| 8 | #define mozilla_dom_WindowFeatures_h |
| 9 | |
| 10 | #include "nsString.h" |
| 11 | #include "mozilla/Assertions.h" // MOZ_ASSERT |
| 12 | #include "mozilla/HashTable.h" // mozilla::HashMap |
| 13 | |
| 14 | #include "nsStringFwd.h" // nsCString, nsACString, nsAutoCString, nsLiteralCString |
| 15 | #include "nsTStringHasher.h" // mozilla::DefaultHasher<nsCString> |
| 16 | |
| 17 | namespace mozilla::dom { |
| 18 | |
| 19 | // Represents `tokenizedFeatures` in |
| 20 | // https://html.spec.whatwg.org/multipage/window-object.html#concept-window-open-features-tokenize |
| 21 | // with accessor methods for values. |
| 22 | class WindowFeatures { |
| 23 | public: |
| 24 | WindowFeatures() = default; |
| 25 | |
| 26 | WindowFeatures(const WindowFeatures& aOther) = delete; |
| 27 | WindowFeatures& operator=(const WindowFeatures& aOther) = delete; |
| 28 | |
| 29 | WindowFeatures(WindowFeatures&& aOther) = delete; |
| 30 | WindowFeatures& operator=(WindowFeatures&& aOther) = delete; |
| 31 | |
| 32 | // Tokenizes `aFeatures` and stores the result map in member field. |
| 33 | // This should be called at the begining, only once. |
| 34 | // |
| 35 | // Returns true if successfully tokenized, false otherwise. |
| 36 | bool Tokenize(const nsACString& aFeatures); |
| 37 | |
| 38 | // Returns true if the `aName` feature is specified. |
| 39 | template <size_t N> |
| 40 | bool Exists(const char (&aName)[N]) const { |
| 41 | MOZ_ASSERT(IsLowerCase(aName))do { static_assert( mozilla::detail::AssertionConditionType< decltype(IsLowerCase(aName))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(IsLowerCase(aName)))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("IsLowerCase(aName)" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/dom/WindowFeatures.h" , 41); AnnotateMozCrashReason("MOZ_ASSERT" "(" "IsLowerCase(aName)" ")"); do { *((volatile int*)__null) = 41; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 42 | nsLiteralCString name(aName); |
| 43 | return tokenizedFeatures_.has(name); |
| 44 | } |
| 45 | |
| 46 | // Returns string value of `aName` feature. |
| 47 | // The feature must exist. |
| 48 | template <size_t N> |
| 49 | const nsCString& Get(const char (&aName)[N]) const { |
| 50 | MOZ_ASSERT(IsLowerCase(aName))do { static_assert( mozilla::detail::AssertionConditionType< decltype(IsLowerCase(aName))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(IsLowerCase(aName)))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("IsLowerCase(aName)" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/dom/WindowFeatures.h" , 50); AnnotateMozCrashReason("MOZ_ASSERT" "(" "IsLowerCase(aName)" ")"); do { *((volatile int*)__null) = 50; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 51 | nsLiteralCString name(aName); |
| 52 | auto p = tokenizedFeatures_.lookup(name); |
| 53 | MOZ_ASSERT(p.found())do { static_assert( mozilla::detail::AssertionConditionType< decltype(p.found())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(p.found()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("p.found()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/dom/WindowFeatures.h" , 53); AnnotateMozCrashReason("MOZ_ASSERT" "(" "p.found()" ")" ); do { *((volatile int*)__null) = 53; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 54 | |
| 55 | return p->value(); |
| 56 | } |
| 57 | |
| 58 | // Returns integer value of `aName` feature. |
| 59 | // The feature must exist. |
| 60 | template <size_t N> |
| 61 | int32_t GetInt(const char (&aName)[N]) const { |
| 62 | const nsCString& value = Get(aName); |
| 63 | return ParseIntegerWithFallback(value); |
| 64 | } |
| 65 | |
| 66 | // Returns bool value of `aName` feature. |
| 67 | // The feature must exist. |
| 68 | template <size_t N> |
| 69 | bool GetBool(const char (&aName)[N]) const { |
| 70 | const nsCString& value = Get(aName); |
| 71 | return ParseBool(value); |
| 72 | } |
| 73 | |
| 74 | // Returns bool value of `aName` feature. |
| 75 | // If the feature doesn't exist, returns `aDefault`. |
| 76 | // |
| 77 | // If `aPresenceFlag` is provided and the feature exists, it's set to `true`. |
| 78 | // (note that the value isn't overwritten if the feature doesn't exist) |
| 79 | template <size_t N> |
| 80 | bool GetBoolWithDefault(const char (&aName)[N], bool aDefault, |
| 81 | bool* aPresenceFlag = nullptr) const { |
| 82 | MOZ_ASSERT(IsLowerCase(aName))do { static_assert( mozilla::detail::AssertionConditionType< decltype(IsLowerCase(aName))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(IsLowerCase(aName)))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("IsLowerCase(aName)" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/dom/WindowFeatures.h" , 82); AnnotateMozCrashReason("MOZ_ASSERT" "(" "IsLowerCase(aName)" ")"); do { *((volatile int*)__null) = 82; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 83 | nsLiteralCString name(aName); |
| 84 | auto p = tokenizedFeatures_.lookup(name); |
| 85 | if (p.found()) { |
| 86 | if (aPresenceFlag) { |
| 87 | *aPresenceFlag = true; |
| 88 | } |
| 89 | return ParseBool(p->value()); |
| 90 | } |
| 91 | return aDefault; |
| 92 | } |
| 93 | |
| 94 | // Remove the feature from the map. |
| 95 | template <size_t N> |
| 96 | void Remove(const char (&aName)[N]) { |
| 97 | MOZ_ASSERT(IsLowerCase(aName))do { static_assert( mozilla::detail::AssertionConditionType< decltype(IsLowerCase(aName))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(IsLowerCase(aName)))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("IsLowerCase(aName)" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/dom/WindowFeatures.h" , 97); AnnotateMozCrashReason("MOZ_ASSERT" "(" "IsLowerCase(aName)" ")"); do { *((volatile int*)__null) = 97; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 98 | nsLiteralCString name(aName); |
| 99 | tokenizedFeatures_.remove(name); |
| 100 | } |
| 101 | |
| 102 | // Returns true if there was no feature specified, or all features are |
| 103 | // removed by `Remove`. |
| 104 | // |
| 105 | // Note that this can be true even if `aFeatures` parameter of `Tokenize` |
| 106 | // is not empty, in case it contains no feature with non-empty name. |
| 107 | bool IsEmpty() const { return tokenizedFeatures_.empty(); } |
| 108 | |
| 109 | // Stringify the map into `aOutput`. |
| 110 | // The result can be parsed again with `Tokenize`. |
| 111 | void Stringify(nsAutoCString& aOutput); |
| 112 | |
| 113 | private: |
| 114 | #ifdef DEBUG1 |
| 115 | // Returns true if `text` does not contain any character that gets modified by |
| 116 | // `ToLowerCase`. |
| 117 | static bool IsLowerCase(const char* text); |
| 118 | #endif |
| 119 | |
| 120 | static int32_t ParseIntegerWithFallback(const nsCString& aValue); |
| 121 | static bool ParseBool(const nsCString& aValue); |
| 122 | |
| 123 | // A map from feature name to feature value. |
| 124 | // If value is not provided, it's empty string. |
| 125 | mozilla::HashMap<nsCString, nsCString> tokenizedFeatures_; |
| 126 | }; |
| 127 | |
| 128 | } // namespace mozilla::dom |
| 129 | |
| 130 | #endif // #ifndef mozilla_dom_WindowFeatures_h |
| 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |||
| 2 | /* vim: set ts=8 sts=2 et sw=2 tw=80: */ | |||
| 3 | /* This Source Code Form is subject to the terms of the Mozilla Public | |||
| 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this | |||
| 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |||
| 6 | ||||
| 7 | //--------------------------------------------------------------------------- | |||
| 8 | // Overview | |||
| 9 | //--------------------------------------------------------------------------- | |||
| 10 | // | |||
| 11 | // This file defines HashMap<Key, Value> and HashSet<T>, hash tables that are | |||
| 12 | // fast and have a nice API. | |||
| 13 | // | |||
| 14 | // Both hash tables have two optional template parameters. | |||
| 15 | // | |||
| 16 | // - HashPolicy. This defines the operations for hashing and matching keys. The | |||
| 17 | // default HashPolicy is appropriate when both of the following two | |||
| 18 | // conditions are true. | |||
| 19 | // | |||
| 20 | // - The key type stored in the table (|Key| for |HashMap<Key, Value>|, |T| | |||
| 21 | // for |HashSet<T>|) is an integer, pointer, UniquePtr, float, or double. | |||
| 22 | // | |||
| 23 | // - The type used for lookups (|Lookup|) is the same as the key type. This | |||
| 24 | // is usually the case, but not always. | |||
| 25 | // | |||
| 26 | // There is also a |CStringHasher| policy for |char*| keys. If your keys | |||
| 27 | // don't match any of the above cases, you must provide your own hash policy; | |||
| 28 | // see the "Hash Policy" section below. | |||
| 29 | // | |||
| 30 | // - AllocPolicy. This defines how allocations are done by the table. | |||
| 31 | // | |||
| 32 | // - |MallocAllocPolicy| is the default and is usually appropriate; note that | |||
| 33 | // operations (such as insertions) that might cause allocations are | |||
| 34 | // fallible and must be checked for OOM. These checks are enforced by the | |||
| 35 | // use of [[nodiscard]]. | |||
| 36 | // | |||
| 37 | // - |InfallibleAllocPolicy| is another possibility; it allows the | |||
| 38 | // abovementioned OOM checks to be done with MOZ_ALWAYS_TRUE(). | |||
| 39 | // | |||
| 40 | // Note that entry storage allocation is lazy, and not done until the first | |||
| 41 | // lookupForAdd(), put(), or putNew() is performed. | |||
| 42 | // | |||
| 43 | // See AllocPolicy.h for more details. | |||
| 44 | // | |||
| 45 | // Documentation on how to use HashMap and HashSet, including examples, is | |||
| 46 | // present within those classes. Search for "class HashMap" and "class | |||
| 47 | // HashSet". | |||
| 48 | // | |||
| 49 | // Both HashMap and HashSet are implemented on top of a third class, HashTable. | |||
| 50 | // You only need to look at HashTable if you want to understand the | |||
| 51 | // implementation. | |||
| 52 | // | |||
| 53 | // How does mozilla::HashTable (this file) compare with PLDHashTable (and its | |||
| 54 | // subclasses, such as nsTHashtable)? | |||
| 55 | // | |||
| 56 | // - mozilla::HashTable is a lot faster, largely because it uses templates | |||
| 57 | // throughout *and* inlines everything. PLDHashTable inlines operations much | |||
| 58 | // less aggressively, and also uses "virtual ops" for operations like hashing | |||
| 59 | // and matching entries that require function calls. | |||
| 60 | // | |||
| 61 | // - Correspondingly, mozilla::HashTable use is likely to increase executable | |||
| 62 | // size much more than PLDHashTable. | |||
| 63 | // | |||
| 64 | // - mozilla::HashTable has a nicer API, with a proper HashSet vs. HashMap | |||
| 65 | // distinction. | |||
| 66 | // | |||
| 67 | // - mozilla::HashTable requires more explicit OOM checking. As mentioned | |||
| 68 | // above, the use of |InfallibleAllocPolicy| can simplify things. | |||
| 69 | // | |||
| 70 | // - mozilla::HashTable has a default capacity on creation of 32 and a minimum | |||
| 71 | // capacity of 4. PLDHashTable has a default capacity on creation of 8 and a | |||
| 72 | // minimum capacity of 8. | |||
| 73 | ||||
| 74 | #ifndef mozilla_HashTable_h | |||
| 75 | #define mozilla_HashTable_h | |||
| 76 | ||||
| 77 | #include <utility> | |||
| 78 | #include <type_traits> | |||
| 79 | ||||
| 80 | #include "mozilla/AllocPolicy.h" | |||
| 81 | #include "mozilla/Assertions.h" | |||
| 82 | #include "mozilla/Attributes.h" | |||
| 83 | #include "mozilla/Casting.h" | |||
| 84 | #include "mozilla/HashFunctions.h" | |||
| 85 | #include "mozilla/MathAlgorithms.h" | |||
| 86 | #include "mozilla/Maybe.h" | |||
| 87 | #include "mozilla/MemoryChecking.h" | |||
| 88 | #include "mozilla/MemoryReporting.h" | |||
| 89 | #include "mozilla/Opaque.h" | |||
| 90 | #include "mozilla/OperatorNewExtensions.h" | |||
| 91 | #include "mozilla/ReentrancyGuard.h" | |||
| 92 | #include "mozilla/UniquePtr.h" | |||
| 93 | #include "mozilla/WrappingOperations.h" | |||
| 94 | ||||
| 95 | namespace mozilla { | |||
| 96 | ||||
| 97 | template <class, class = void> | |||
| 98 | struct DefaultHasher; | |||
| 99 | ||||
| 100 | template <class, class> | |||
| 101 | class HashMapEntry; | |||
| 102 | ||||
| 103 | namespace detail { | |||
| 104 | ||||
| 105 | template <typename T> | |||
| 106 | class HashTableEntry; | |||
| 107 | ||||
| 108 | template <class T, class HashPolicy, class AllocPolicy> | |||
| 109 | class HashTable; | |||
| 110 | ||||
| 111 | } // namespace detail | |||
| 112 | ||||
| 113 | // The "generation" of a hash table is an opaque value indicating the state of | |||
| 114 | // modification of the hash table through its lifetime. If the generation of | |||
| 115 | // a hash table compares equal at times T1 and T2, then lookups in the hash | |||
| 116 | // table, pointers to (or into) hash table entries, etc. at time T1 are valid | |||
| 117 | // at time T2. If the generation compares unequal, these computations are all | |||
| 118 | // invalid and must be performed again to be used. | |||
| 119 | // | |||
| 120 | // Generations are meaningfully comparable only with respect to a single hash | |||
| 121 | // table. It's always nonsensical to compare the generation of distinct hash | |||
| 122 | // tables H1 and H2. | |||
| 123 | using Generation = Opaque<uint64_t>; | |||
| 124 | ||||
| 125 | //--------------------------------------------------------------------------- | |||
| 126 | // HashMap | |||
| 127 | //--------------------------------------------------------------------------- | |||
| 128 | ||||
| 129 | // HashMap is a fast hash-based map from keys to values. | |||
| 130 | // | |||
| 131 | // Template parameter requirements: | |||
| 132 | // - Key/Value: movable, destructible, assignable. | |||
| 133 | // - HashPolicy: see the "Hash Policy" section below. | |||
| 134 | // - AllocPolicy: see AllocPolicy.h. | |||
| 135 | // | |||
| 136 | // Note: | |||
| 137 | // - HashMap is not reentrant: Key/Value/HashPolicy/AllocPolicy members | |||
| 138 | // called by HashMap must not call back into the same HashMap object. | |||
| 139 | // | |||
| 140 | template <class Key, class Value, class HashPolicy = DefaultHasher<Key>, | |||
| 141 | class AllocPolicy = MallocAllocPolicy> | |||
| 142 | class HashMap { | |||
| 143 | // -- Implementation details ----------------------------------------------- | |||
| 144 | ||||
| 145 | // HashMap is not copyable or assignable. | |||
| 146 | HashMap(const HashMap& hm) = delete; | |||
| 147 | HashMap& operator=(const HashMap& hm) = delete; | |||
| 148 | ||||
| 149 | using TableEntry = HashMapEntry<Key, Value>; | |||
| 150 | ||||
| 151 | struct MapHashPolicy : HashPolicy { | |||
| 152 | using Base = HashPolicy; | |||
| 153 | using KeyType = Key; | |||
| 154 | ||||
| 155 | static const Key& getKey(TableEntry& aEntry) { return aEntry.key(); } | |||
| 156 | ||||
| 157 | static void setKey(TableEntry& aEntry, Key& aKey) { | |||
| 158 | HashPolicy::rekey(aEntry.mutableKey(), aKey); | |||
| 159 | } | |||
| 160 | }; | |||
| 161 | ||||
| 162 | using Impl = detail::HashTable<TableEntry, MapHashPolicy, AllocPolicy>; | |||
| 163 | Impl mImpl; | |||
| 164 | ||||
| 165 | friend class Impl::Enum; | |||
| 166 | ||||
| 167 | public: | |||
| 168 | using Lookup = typename HashPolicy::Lookup; | |||
| 169 | using Entry = TableEntry; | |||
| 170 | ||||
| 171 | // -- Initialization ------------------------------------------------------- | |||
| 172 | ||||
| 173 | explicit HashMap(AllocPolicy aAllocPolicy = AllocPolicy(), | |||
| 174 | uint32_t aLen = Impl::sDefaultLen) | |||
| 175 | : mImpl(std::move(aAllocPolicy), aLen) {} | |||
| 176 | ||||
| 177 | explicit HashMap(uint32_t aLen) : mImpl(AllocPolicy(), aLen) {} | |||
| 178 | ||||
| 179 | // HashMap is movable. | |||
| 180 | HashMap(HashMap&& aRhs) = default; | |||
| 181 | HashMap& operator=(HashMap&& aRhs) = default; | |||
| 182 | ||||
| 183 | // -- Status and sizing ---------------------------------------------------- | |||
| 184 | ||||
| 185 | // The map's current generation. | |||
| 186 | Generation generation() const { return mImpl.generation(); } | |||
| 187 | ||||
| 188 | // Is the map empty? | |||
| 189 | bool empty() const { return mImpl.empty(); } | |||
| 190 | ||||
| 191 | // Number of keys/values in the map. | |||
| 192 | uint32_t count() const { return mImpl.count(); } | |||
| 193 | ||||
| 194 | // Number of key/value slots in the map. Note: resize will happen well before | |||
| 195 | // count() == capacity(). | |||
| 196 | uint32_t capacity() const { return mImpl.capacity(); } | |||
| 197 | ||||
| 198 | // The size of the map's entry storage, in bytes. If the keys/values contain | |||
| 199 | // pointers to other heap blocks, you must iterate over the map and measure | |||
| 200 | // them separately; hence the "shallow" prefix. | |||
| 201 | size_t shallowSizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const { | |||
| 202 | return mImpl.shallowSizeOfExcludingThis(aMallocSizeOf); | |||
| 203 | } | |||
| 204 | size_t shallowSizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const { | |||
| 205 | return aMallocSizeOf(this) + | |||
| 206 | mImpl.shallowSizeOfExcludingThis(aMallocSizeOf); | |||
| 207 | } | |||
| 208 | ||||
| 209 | // Attempt to minimize the capacity(). If the table is empty, this will free | |||
| 210 | // the empty storage and upon regrowth it will be given the minimum capacity. | |||
| 211 | void compact() { mImpl.compact(); } | |||
| 212 | ||||
| 213 | // Attempt to reserve enough space to fit at least |aLen| elements. This is | |||
| 214 | // total capacity, including elements already present. Does nothing if the | |||
| 215 | // map already has sufficient capacity. | |||
| 216 | [[nodiscard]] bool reserve(uint32_t aLen) { return mImpl.reserve(aLen); } | |||
| 217 | ||||
| 218 | // -- Lookups -------------------------------------------------------------- | |||
| 219 | ||||
| 220 | // Does the map contain a key/value matching |aLookup|? | |||
| 221 | bool has(const Lookup& aLookup) const { | |||
| 222 | return mImpl.lookup(aLookup).found(); | |||
| 223 | } | |||
| 224 | ||||
| 225 | // Return a Ptr indicating whether a key/value matching |aLookup| is | |||
| 226 | // present in the map. E.g.: | |||
| 227 | // | |||
| 228 | // using HM = HashMap<int,char>; | |||
| 229 | // HM h; | |||
| 230 | // if (HM::Ptr p = h.lookup(3)) { | |||
| 231 | // assert(p->key() == 3); | |||
| 232 | // char val = p->value(); | |||
| 233 | // } | |||
| 234 | // | |||
| 235 | using Ptr = typename Impl::Ptr; | |||
| 236 | MOZ_ALWAYS_INLINEinline Ptr lookup(const Lookup& aLookup) const { | |||
| 237 | return mImpl.lookup(aLookup); | |||
| 238 | } | |||
| 239 | ||||
| 240 | // Like lookup(), but does not assert if two threads call it at the same | |||
| 241 | // time. Only use this method when none of the threads will modify the map. | |||
| 242 | MOZ_ALWAYS_INLINEinline Ptr readonlyThreadsafeLookup(const Lookup& aLookup) const { | |||
| 243 | return mImpl.readonlyThreadsafeLookup(aLookup); | |||
| 244 | } | |||
| 245 | ||||
| 246 | // -- Insertions ----------------------------------------------------------- | |||
| 247 | ||||
| 248 | // Overwrite existing value with |aValue|, or add it if not present. Returns | |||
| 249 | // false on OOM. | |||
| 250 | template <typename KeyInput, typename ValueInput> | |||
| 251 | [[nodiscard]] bool put(KeyInput&& aKey, ValueInput&& aValue) { | |||
| 252 | return put(aKey, std::forward<KeyInput>(aKey), | |||
| 253 | std::forward<ValueInput>(aValue)); | |||
| 254 | } | |||
| 255 | ||||
| 256 | template <typename KeyInput, typename ValueInput> | |||
| 257 | [[nodiscard]] bool put(const Lookup& aLookup, KeyInput&& aKey, | |||
| 258 | ValueInput&& aValue) { | |||
| 259 | AddPtr p = lookupForAdd(aLookup); | |||
| 260 | if (p) { | |||
| 261 | p->value() = std::forward<ValueInput>(aValue); | |||
| 262 | return true; | |||
| 263 | } | |||
| 264 | return add(p, std::forward<KeyInput>(aKey), | |||
| 265 | std::forward<ValueInput>(aValue)); | |||
| 266 | } | |||
| 267 | ||||
| 268 | // Like put(), but slightly faster. Must only be used when the given key is | |||
| 269 | // not already present. (In debug builds, assertions check this.) | |||
| 270 | template <typename KeyInput, typename ValueInput> | |||
| 271 | [[nodiscard]] bool putNew(KeyInput&& aKey, ValueInput&& aValue) { | |||
| 272 | return mImpl.putNew(aKey, std::forward<KeyInput>(aKey), | |||
| 273 | std::forward<ValueInput>(aValue)); | |||
| 274 | } | |||
| 275 | ||||
| 276 | template <typename KeyInput, typename ValueInput> | |||
| 277 | [[nodiscard]] bool putNew(const Lookup& aLookup, KeyInput&& aKey, | |||
| 278 | ValueInput&& aValue) { | |||
| 279 | return mImpl.putNew(aLookup, std::forward<KeyInput>(aKey), | |||
| 280 | std::forward<ValueInput>(aValue)); | |||
| 281 | } | |||
| 282 | ||||
| 283 | // Like putNew(), but should be only used when the table is known to be big | |||
| 284 | // enough for the insertion, and hashing cannot fail. Typically this is used | |||
| 285 | // to populate an empty map with known-unique keys after reserving space with | |||
| 286 | // reserve(), e.g. | |||
| 287 | // | |||
| 288 | // using HM = HashMap<int,char>; | |||
| 289 | // HM h; | |||
| 290 | // if (!h.reserve(3)) { | |||
| 291 | // MOZ_CRASH("OOM"); | |||
| 292 | // } | |||
| 293 | // h.putNewInfallible(1, 'a'); // unique key | |||
| 294 | // h.putNewInfallible(2, 'b'); // unique key | |||
| 295 | // h.putNewInfallible(3, 'c'); // unique key | |||
| 296 | // | |||
| 297 | template <typename KeyInput, typename ValueInput> | |||
| 298 | void putNewInfallible(KeyInput&& aKey, ValueInput&& aValue) { | |||
| 299 | mImpl.putNewInfallible(aKey, std::forward<KeyInput>(aKey), | |||
| 300 | std::forward<ValueInput>(aValue)); | |||
| 301 | } | |||
| 302 | ||||
| 303 | // Like |lookup(l)|, but on miss, |p = lookupForAdd(l)| allows efficient | |||
| 304 | // insertion of Key |k| (where |HashPolicy::match(k,l) == true|) using | |||
| 305 | // |add(p,k,v)|. After |add(p,k,v)|, |p| points to the new key/value. E.g.: | |||
| 306 | // | |||
| 307 | // using HM = HashMap<int,char>; | |||
| 308 | // HM h; | |||
| 309 | // HM::AddPtr p = h.lookupForAdd(3); | |||
| 310 | // if (!p) { | |||
| 311 | // if (!h.add(p, 3, 'a')) { | |||
| 312 | // return false; | |||
| 313 | // } | |||
| 314 | // } | |||
| 315 | // assert(p->key() == 3); | |||
| 316 | // char val = p->value(); | |||
| 317 | // | |||
| 318 | // N.B. The caller must ensure that no mutating hash table operations occur | |||
| 319 | // between a pair of lookupForAdd() and add() calls. To avoid looking up the | |||
| 320 | // key a second time, the caller may use the more efficient relookupOrAdd() | |||
| 321 | // method. This method reuses part of the hashing computation to more | |||
| 322 | // efficiently insert the key if it has not been added. For example, a | |||
| 323 | // mutation-handling version of the previous example: | |||
| 324 | // | |||
| 325 | // HM::AddPtr p = h.lookupForAdd(3); | |||
| 326 | // if (!p) { | |||
| 327 | // call_that_may_mutate_h(); | |||
| 328 | // if (!h.relookupOrAdd(p, 3, 'a')) { | |||
| 329 | // return false; | |||
| 330 | // } | |||
| 331 | // } | |||
| 332 | // assert(p->key() == 3); | |||
| 333 | // char val = p->value(); | |||
| 334 | // | |||
| 335 | using AddPtr = typename Impl::AddPtr; | |||
| 336 | MOZ_ALWAYS_INLINEinline AddPtr lookupForAdd(const Lookup& aLookup) { | |||
| 337 | return mImpl.lookupForAdd(aLookup); | |||
| 338 | } | |||
| 339 | ||||
| 340 | // Add a key/value. Returns false on OOM. | |||
| 341 | template <typename KeyInput, typename ValueInput> | |||
| 342 | [[nodiscard]] bool add(AddPtr& aPtr, KeyInput&& aKey, ValueInput&& aValue) { | |||
| 343 | return mImpl.add(aPtr, std::forward<KeyInput>(aKey), | |||
| 344 | std::forward<ValueInput>(aValue)); | |||
| 345 | } | |||
| 346 | ||||
| 347 | // See the comment above lookupForAdd() for details. | |||
| 348 | template <typename KeyInput, typename ValueInput> | |||
| 349 | [[nodiscard]] bool relookupOrAdd(AddPtr& aPtr, KeyInput&& aKey, | |||
| 350 | ValueInput&& aValue) { | |||
| 351 | return mImpl.relookupOrAdd(aPtr, aKey, std::forward<KeyInput>(aKey), | |||
| 352 | std::forward<ValueInput>(aValue)); | |||
| 353 | } | |||
| 354 | ||||
| 355 | // -- Removal -------------------------------------------------------------- | |||
| 356 | ||||
| 357 | // Lookup and remove the key/value matching |aLookup|, if present. | |||
| 358 | void remove(const Lookup& aLookup) { | |||
| 359 | if (Ptr p = lookup(aLookup)) { | |||
| 360 | remove(p); | |||
| 361 | } | |||
| 362 | } | |||
| 363 | ||||
| 364 | // Remove a previously found key/value (assuming aPtr.found()). The map must | |||
| 365 | // not have been mutated in the interim. | |||
| 366 | void remove(Ptr aPtr) { mImpl.remove(aPtr); } | |||
| 367 | ||||
| 368 | // Remove all keys/values without changing the capacity. | |||
| 369 | void clear() { mImpl.clear(); } | |||
| 370 | ||||
| 371 | // Like clear() followed by compact(). | |||
| 372 | void clearAndCompact() { mImpl.clearAndCompact(); } | |||
| 373 | ||||
| 374 | // -- Rekeying ------------------------------------------------------------- | |||
| 375 | ||||
| 376 | // Infallibly rekey one entry, if necessary. Requires that template | |||
| 377 | // parameters Key and HashPolicy::Lookup are the same type. | |||
| 378 | void rekeyIfMoved(const Key& aOldKey, const Key& aNewKey) { | |||
| 379 | if (aOldKey != aNewKey) { | |||
| 380 | rekeyAs(aOldKey, aNewKey, aNewKey); | |||
| 381 | } | |||
| 382 | } | |||
| 383 | ||||
| 384 | // Infallibly rekey one entry if present, and return whether that happened. | |||
| 385 | bool rekeyAs(const Lookup& aOldLookup, const Lookup& aNewLookup, | |||
| 386 | const Key& aNewKey) { | |||
| 387 | if (Ptr p = lookup(aOldLookup)) { | |||
| 388 | mImpl.rekeyAndMaybeRehash(p, aNewLookup, aNewKey); | |||
| 389 | return true; | |||
| 390 | } | |||
| 391 | return false; | |||
| 392 | } | |||
| 393 | ||||
| 394 | // -- Iteration ------------------------------------------------------------ | |||
| 395 | ||||
| 396 | // |iter()| returns an Iterator: | |||
| 397 | // | |||
| 398 | // HashMap<int, char> h; | |||
| 399 | // for (auto iter = h.iter(); !iter.done(); iter.next()) { | |||
| 400 | // char c = iter.get().value(); | |||
| 401 | // } | |||
| 402 | // | |||
| 403 | using Iterator = typename Impl::Iterator; | |||
| 404 | Iterator iter() const { return mImpl.iter(); } | |||
| 405 | ||||
| 406 | // |modIter()| returns a ModIterator: | |||
| 407 | // | |||
| 408 | // HashMap<int, char> h; | |||
| 409 | // for (auto iter = h.modIter(); !iter.done(); iter.next()) { | |||
| 410 | // if (iter.get().value() == 'l') { | |||
| 411 | // iter.remove(); | |||
| 412 | // } | |||
| 413 | // } | |||
| 414 | // | |||
| 415 | // Table resize may occur in ModIterator's destructor. | |||
| 416 | using ModIterator = typename Impl::ModIterator; | |||
| 417 | ModIterator modIter() { return mImpl.modIter(); } | |||
| 418 | ||||
| 419 | // These are similar to Iterator/ModIterator/iter(), but use different | |||
| 420 | // terminology. | |||
| 421 | using Range = typename Impl::Range; | |||
| 422 | using Enum = typename Impl::Enum; | |||
| 423 | Range all() const { return mImpl.all(); } | |||
| 424 | }; | |||
| 425 | ||||
| 426 | //--------------------------------------------------------------------------- | |||
| 427 | // HashSet | |||
| 428 | //--------------------------------------------------------------------------- | |||
| 429 | ||||
| 430 | // HashSet is a fast hash-based set of values. | |||
| 431 | // | |||
| 432 | // Template parameter requirements: | |||
| 433 | // - T: movable, destructible, assignable. | |||
| 434 | // - HashPolicy: see the "Hash Policy" section below. | |||
| 435 | // - AllocPolicy: see AllocPolicy.h | |||
| 436 | // | |||
| 437 | // Note: | |||
| 438 | // - HashSet is not reentrant: T/HashPolicy/AllocPolicy members called by | |||
| 439 | // HashSet must not call back into the same HashSet object. | |||
| 440 | // | |||
| 441 | template <class T, class HashPolicy = DefaultHasher<T>, | |||
| 442 | class AllocPolicy = MallocAllocPolicy> | |||
| 443 | class HashSet { | |||
| 444 | // -- Implementation details ----------------------------------------------- | |||
| 445 | ||||
| 446 | // HashSet is not copyable or assignable. | |||
| 447 | HashSet(const HashSet& hs) = delete; | |||
| 448 | HashSet& operator=(const HashSet& hs) = delete; | |||
| 449 | ||||
| 450 | struct SetHashPolicy : HashPolicy { | |||
| 451 | using Base = HashPolicy; | |||
| 452 | using KeyType = T; | |||
| 453 | ||||
| 454 | static const KeyType& getKey(const T& aT) { return aT; } | |||
| 455 | ||||
| 456 | static void setKey(T& aT, KeyType& aKey) { HashPolicy::rekey(aT, aKey); } | |||
| 457 | }; | |||
| 458 | ||||
| 459 | using Impl = detail::HashTable<const T, SetHashPolicy, AllocPolicy>; | |||
| 460 | Impl mImpl; | |||
| 461 | ||||
| 462 | friend class Impl::Enum; | |||
| 463 | ||||
| 464 | public: | |||
| 465 | using Lookup = typename HashPolicy::Lookup; | |||
| 466 | using Entry = T; | |||
| 467 | ||||
| 468 | // -- Initialization ------------------------------------------------------- | |||
| 469 | ||||
| 470 | explicit HashSet(AllocPolicy aAllocPolicy = AllocPolicy(), | |||
| 471 | uint32_t aLen = Impl::sDefaultLen) | |||
| 472 | : mImpl(std::move(aAllocPolicy), aLen) {} | |||
| 473 | ||||
| 474 | explicit HashSet(uint32_t aLen) : mImpl(AllocPolicy(), aLen) {} | |||
| 475 | ||||
| 476 | // HashSet is movable. | |||
| 477 | HashSet(HashSet&& aRhs) = default; | |||
| 478 | HashSet& operator=(HashSet&& aRhs) = default; | |||
| 479 | ||||
| 480 | // -- Status and sizing ---------------------------------------------------- | |||
| 481 | ||||
| 482 | // The set's current generation. | |||
| 483 | Generation generation() const { return mImpl.generation(); } | |||
| 484 | ||||
| 485 | // Is the set empty? | |||
| 486 | bool empty() const { return mImpl.empty(); } | |||
| 487 | ||||
| 488 | // Number of elements in the set. | |||
| 489 | uint32_t count() const { return mImpl.count(); } | |||
| 490 | ||||
| 491 | // Number of element slots in the set. Note: resize will happen well before | |||
| 492 | // count() == capacity(). | |||
| 493 | uint32_t capacity() const { return mImpl.capacity(); } | |||
| 494 | ||||
| 495 | // The size of the set's entry storage, in bytes. If the elements contain | |||
| 496 | // pointers to other heap blocks, you must iterate over the set and measure | |||
| 497 | // them separately; hence the "shallow" prefix. | |||
| 498 | size_t shallowSizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const { | |||
| 499 | return mImpl.shallowSizeOfExcludingThis(aMallocSizeOf); | |||
| 500 | } | |||
| 501 | size_t shallowSizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const { | |||
| 502 | return aMallocSizeOf(this) + | |||
| 503 | mImpl.shallowSizeOfExcludingThis(aMallocSizeOf); | |||
| 504 | } | |||
| 505 | ||||
| 506 | // Attempt to minimize the capacity(). If the table is empty, this will free | |||
| 507 | // the empty storage and upon regrowth it will be given the minimum capacity. | |||
| 508 | void compact() { mImpl.compact(); } | |||
| 509 | ||||
| 510 | // Attempt to reserve enough space to fit at least |aLen| elements. This is | |||
| 511 | // total capacity, including elements already present. Does nothing if the | |||
| 512 | // map already has sufficient capacity. | |||
| 513 | [[nodiscard]] bool reserve(uint32_t aLen) { return mImpl.reserve(aLen); } | |||
| 514 | ||||
| 515 | // -- Lookups -------------------------------------------------------------- | |||
| 516 | ||||
| 517 | // Does the set contain an element matching |aLookup|? | |||
| 518 | bool has(const Lookup& aLookup) const { | |||
| 519 | return mImpl.lookup(aLookup).found(); | |||
| 520 | } | |||
| 521 | ||||
| 522 | // Return a Ptr indicating whether an element matching |aLookup| is present | |||
| 523 | // in the set. E.g.: | |||
| 524 | // | |||
| 525 | // using HS = HashSet<int>; | |||
| 526 | // HS h; | |||
| 527 | // if (HS::Ptr p = h.lookup(3)) { | |||
| 528 | // assert(*p == 3); // p acts like a pointer to int | |||
| 529 | // } | |||
| 530 | // | |||
| 531 | using Ptr = typename Impl::Ptr; | |||
| 532 | MOZ_ALWAYS_INLINEinline Ptr lookup(const Lookup& aLookup) const { | |||
| 533 | return mImpl.lookup(aLookup); | |||
| 534 | } | |||
| 535 | ||||
| 536 | // Like lookup(), but does not assert if two threads call it at the same | |||
| 537 | // time. Only use this method when none of the threads will modify the set. | |||
| 538 | MOZ_ALWAYS_INLINEinline Ptr readonlyThreadsafeLookup(const Lookup& aLookup) const { | |||
| 539 | return mImpl.readonlyThreadsafeLookup(aLookup); | |||
| 540 | } | |||
| 541 | ||||
| 542 | // -- Insertions ----------------------------------------------------------- | |||
| 543 | ||||
| 544 | // Add |aU| if it is not present already. Returns false on OOM. | |||
| 545 | template <typename U> | |||
| 546 | [[nodiscard]] bool put(U&& aU) { | |||
| 547 | AddPtr p = lookupForAdd(aU); | |||
| 548 | return p ? true : add(p, std::forward<U>(aU)); | |||
| 549 | } | |||
| 550 | ||||
| 551 | // Like put(), but slightly faster. Must only be used when the given element | |||
| 552 | // is not already present. (In debug builds, assertions check this.) | |||
| 553 | template <typename U> | |||
| 554 | [[nodiscard]] bool putNew(U&& aU) { | |||
| 555 | return mImpl.putNew(aU, std::forward<U>(aU)); | |||
| 556 | } | |||
| 557 | ||||
| 558 | // Like the other putNew(), but for when |Lookup| is different to |T|. | |||
| 559 | template <typename U> | |||
| 560 | [[nodiscard]] bool putNew(const Lookup& aLookup, U&& aU) { | |||
| 561 | return mImpl.putNew(aLookup, std::forward<U>(aU)); | |||
| 562 | } | |||
| 563 | ||||
| 564 | // Like putNew(), but should be only used when the table is known to be big | |||
| 565 | // enough for the insertion, and hashing cannot fail. Typically this is used | |||
| 566 | // to populate an empty set with known-unique elements after reserving space | |||
| 567 | // with reserve(), e.g. | |||
| 568 | // | |||
| 569 | // using HS = HashMap<int>; | |||
| 570 | // HS h; | |||
| 571 | // if (!h.reserve(3)) { | |||
| 572 | // MOZ_CRASH("OOM"); | |||
| 573 | // } | |||
| 574 | // h.putNewInfallible(1); // unique element | |||
| 575 | // h.putNewInfallible(2); // unique element | |||
| 576 | // h.putNewInfallible(3); // unique element | |||
| 577 | // | |||
| 578 | template <typename U> | |||
| 579 | void putNewInfallible(const Lookup& aLookup, U&& aU) { | |||
| 580 | mImpl.putNewInfallible(aLookup, std::forward<U>(aU)); | |||
| 581 | } | |||
| 582 | ||||
| 583 | // Like |lookup(l)|, but on miss, |p = lookupForAdd(l)| allows efficient | |||
| 584 | // insertion of T value |t| (where |HashPolicy::match(t,l) == true|) using | |||
| 585 | // |add(p,t)|. After |add(p,t)|, |p| points to the new element. E.g.: | |||
| 586 | // | |||
| 587 | // using HS = HashSet<int>; | |||
| 588 | // HS h; | |||
| 589 | // HS::AddPtr p = h.lookupForAdd(3); | |||
| 590 | // if (!p) { | |||
| 591 | // if (!h.add(p, 3)) { | |||
| 592 | // return false; | |||
| 593 | // } | |||
| 594 | // } | |||
| 595 | // assert(*p == 3); // p acts like a pointer to int | |||
| 596 | // | |||
| 597 | // N.B. The caller must ensure that no mutating hash table operations occur | |||
| 598 | // between a pair of lookupForAdd() and add() calls. To avoid looking up the | |||
| 599 | // key a second time, the caller may use the more efficient relookupOrAdd() | |||
| 600 | // method. This method reuses part of the hashing computation to more | |||
| 601 | // efficiently insert the key if it has not been added. For example, a | |||
| 602 | // mutation-handling version of the previous example: | |||
| 603 | // | |||
| 604 | // HS::AddPtr p = h.lookupForAdd(3); | |||
| 605 | // if (!p) { | |||
| 606 | // call_that_may_mutate_h(); | |||
| 607 | // if (!h.relookupOrAdd(p, 3, 3)) { | |||
| 608 | // return false; | |||
| 609 | // } | |||
| 610 | // } | |||
| 611 | // assert(*p == 3); | |||
| 612 | // | |||
| 613 | // Note that relookupOrAdd(p,l,t) performs Lookup using |l| and adds the | |||
| 614 | // entry |t|, where the caller ensures match(l,t). | |||
| 615 | using AddPtr = typename Impl::AddPtr; | |||
| 616 | MOZ_ALWAYS_INLINEinline AddPtr lookupForAdd(const Lookup& aLookup) { | |||
| 617 | return mImpl.lookupForAdd(aLookup); | |||
| 618 | } | |||
| 619 | ||||
| 620 | // Add an element. Returns false on OOM. | |||
| 621 | template <typename U> | |||
| 622 | [[nodiscard]] bool add(AddPtr& aPtr, U&& aU) { | |||
| 623 | return mImpl.add(aPtr, std::forward<U>(aU)); | |||
| 624 | } | |||
| 625 | ||||
| 626 | // See the comment above lookupForAdd() for details. | |||
| 627 | template <typename U> | |||
| 628 | [[nodiscard]] bool relookupOrAdd(AddPtr& aPtr, const Lookup& aLookup, | |||
| 629 | U&& aU) { | |||
| 630 | return mImpl.relookupOrAdd(aPtr, aLookup, std::forward<U>(aU)); | |||
| 631 | } | |||
| 632 | ||||
| 633 | // -- Removal -------------------------------------------------------------- | |||
| 634 | ||||
| 635 | // Lookup and remove the element matching |aLookup|, if present. | |||
| 636 | void remove(const Lookup& aLookup) { | |||
| 637 | if (Ptr p = lookup(aLookup)) { | |||
| 638 | remove(p); | |||
| 639 | } | |||
| 640 | } | |||
| 641 | ||||
| 642 | // Remove a previously found element (assuming aPtr.found()). The set must | |||
| 643 | // not have been mutated in the interim. | |||
| 644 | void remove(Ptr aPtr) { mImpl.remove(aPtr); } | |||
| 645 | ||||
| 646 | // Remove all keys/values without changing the capacity. | |||
| 647 | void clear() { mImpl.clear(); } | |||
| 648 | ||||
| 649 | // Like clear() followed by compact(). | |||
| 650 | void clearAndCompact() { mImpl.clearAndCompact(); } | |||
| 651 | ||||
| 652 | // -- Rekeying ------------------------------------------------------------- | |||
| 653 | ||||
| 654 | // Infallibly rekey one entry, if present. Requires that template parameters | |||
| 655 | // T and HashPolicy::Lookup are the same type. | |||
| 656 | void rekeyIfMoved(const Lookup& aOldValue, const T& aNewValue) { | |||
| 657 | if (aOldValue != aNewValue) { | |||
| 658 | rekeyAs(aOldValue, aNewValue, aNewValue); | |||
| 659 | } | |||
| 660 | } | |||
| 661 | ||||
| 662 | // Infallibly rekey one entry if present, and return whether that happened. | |||
| 663 | bool rekeyAs(const Lookup& aOldLookup, const Lookup& aNewLookup, | |||
| 664 | const T& aNewValue) { | |||
| 665 | if (Ptr p = lookup(aOldLookup)) { | |||
| 666 | mImpl.rekeyAndMaybeRehash(p, aNewLookup, aNewValue); | |||
| 667 | return true; | |||
| 668 | } | |||
| 669 | return false; | |||
| 670 | } | |||
| 671 | ||||
| 672 | // Infallibly replace the current key at |aPtr| with an equivalent key. | |||
| 673 | // Specifically, both HashPolicy::hash and HashPolicy::match must return | |||
| 674 | // identical results for the new and old key when applied against all | |||
| 675 | // possible matching values. | |||
| 676 | void replaceKey(Ptr aPtr, const Lookup& aLookup, const T& aNewValue) { | |||
| 677 | MOZ_ASSERT(aPtr.found())do { static_assert( mozilla::detail::AssertionConditionType< decltype(aPtr.found())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aPtr.found()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aPtr.found()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 677); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aPtr.found()" ")"); do { *((volatile int*)__null) = 677; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 678 | MOZ_ASSERT(*aPtr != aNewValue)do { static_assert( mozilla::detail::AssertionConditionType< decltype(*aPtr != aNewValue)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(*aPtr != aNewValue))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("*aPtr != aNewValue" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 678); AnnotateMozCrashReason("MOZ_ASSERT" "(" "*aPtr != aNewValue" ")"); do { *((volatile int*)__null) = 678; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 679 | MOZ_ASSERT(HashPolicy::match(*aPtr, aLookup))do { static_assert( mozilla::detail::AssertionConditionType< decltype(HashPolicy::match(*aPtr, aLookup))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(HashPolicy::match(*aPtr, aLookup )))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("HashPolicy::match(*aPtr, aLookup)", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 679); AnnotateMozCrashReason("MOZ_ASSERT" "(" "HashPolicy::match(*aPtr, aLookup)" ")"); do { *((volatile int*)__null) = 679; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 680 | MOZ_ASSERT(HashPolicy::match(aNewValue, aLookup))do { static_assert( mozilla::detail::AssertionConditionType< decltype(HashPolicy::match(aNewValue, aLookup))>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(! !(HashPolicy::match(aNewValue, aLookup)))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("HashPolicy::match(aNewValue, aLookup)" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 680); AnnotateMozCrashReason("MOZ_ASSERT" "(" "HashPolicy::match(aNewValue, aLookup)" ")"); do { *((volatile int*)__null) = 680; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 681 | const_cast<T&>(*aPtr) = aNewValue; | |||
| 682 | MOZ_ASSERT(*lookup(aLookup) == aNewValue)do { static_assert( mozilla::detail::AssertionConditionType< decltype(*lookup(aLookup) == aNewValue)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(*lookup(aLookup) == aNewValue ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "*lookup(aLookup) == aNewValue", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 682); AnnotateMozCrashReason("MOZ_ASSERT" "(" "*lookup(aLookup) == aNewValue" ")"); do { *((volatile int*)__null) = 682; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 683 | } | |||
| 684 | void replaceKey(Ptr aPtr, const T& aNewValue) { | |||
| 685 | replaceKey(aPtr, aNewValue, aNewValue); | |||
| 686 | } | |||
| 687 | ||||
| 688 | // -- Iteration ------------------------------------------------------------ | |||
| 689 | ||||
| 690 | // |iter()| returns an Iterator: | |||
| 691 | // | |||
| 692 | // HashSet<int> h; | |||
| 693 | // for (auto iter = h.iter(); !iter.done(); iter.next()) { | |||
| 694 | // int i = iter.get(); | |||
| 695 | // } | |||
| 696 | // | |||
| 697 | using Iterator = typename Impl::Iterator; | |||
| 698 | Iterator iter() const { return mImpl.iter(); } | |||
| 699 | ||||
| 700 | // |modIter()| returns a ModIterator: | |||
| 701 | // | |||
| 702 | // HashSet<int> h; | |||
| 703 | // for (auto iter = h.modIter(); !iter.done(); iter.next()) { | |||
| 704 | // if (iter.get() == 42) { | |||
| 705 | // iter.remove(); | |||
| 706 | // } | |||
| 707 | // } | |||
| 708 | // | |||
| 709 | // Table resize may occur in ModIterator's destructor. | |||
| 710 | using ModIterator = typename Impl::ModIterator; | |||
| 711 | ModIterator modIter() { return mImpl.modIter(); } | |||
| 712 | ||||
| 713 | // These are similar to Iterator/ModIterator/iter(), but use different | |||
| 714 | // terminology. | |||
| 715 | using Range = typename Impl::Range; | |||
| 716 | using Enum = typename Impl::Enum; | |||
| 717 | Range all() const { return mImpl.all(); } | |||
| 718 | }; | |||
| 719 | ||||
| 720 | //--------------------------------------------------------------------------- | |||
| 721 | // Hash Policy | |||
| 722 | //--------------------------------------------------------------------------- | |||
| 723 | ||||
| 724 | // A hash policy |HP| for a hash table with key-type |Key| must provide: | |||
| 725 | // | |||
| 726 | // - a type |HP::Lookup| to use to lookup table entries; | |||
| 727 | // | |||
| 728 | // - a static member function |HP::hash| that hashes lookup values: | |||
| 729 | // | |||
| 730 | // static mozilla::HashNumber hash(const Lookup&); | |||
| 731 | // | |||
| 732 | // - a static member function |HP::match| that tests equality of key and | |||
| 733 | // lookup values: | |||
| 734 | // | |||
| 735 | // static bool match(const Key& aKey, const Lookup& aLookup); | |||
| 736 | // | |||
| 737 | // |aKey| and |aLookup| can have different hash numbers, only when a | |||
| 738 | // collision happens with |prepareHash| operation, which is less frequent. | |||
| 739 | // Thus, |HP::match| shouldn't assume the hash equality in the comparison, | |||
| 740 | // even if the hash numbers are almost always same between them. | |||
| 741 | // | |||
| 742 | // Normally, Lookup = Key. In general, though, different values and types of | |||
| 743 | // values can be used to lookup and store. If a Lookup value |l| is not equal | |||
| 744 | // to the added Key value |k|, the user must ensure that |HP::match(k,l)| is | |||
| 745 | // true. E.g.: | |||
| 746 | // | |||
| 747 | // mozilla::HashSet<Key, HP>::AddPtr p = h.lookup(l); | |||
| 748 | // if (!p) { | |||
| 749 | // assert(HP::match(k, l)); // must hold | |||
| 750 | // h.add(p, k); | |||
| 751 | // } | |||
| 752 | ||||
| 753 | // A pointer hashing policy that uses HashGeneric() to create good hashes for | |||
| 754 | // pointers. Note that we don't shift out the lowest k bits because we don't | |||
| 755 | // want to assume anything about the alignment of the pointers. | |||
| 756 | template <typename Key> | |||
| 757 | struct PointerHasher { | |||
| 758 | using Lookup = Key; | |||
| 759 | ||||
| 760 | static HashNumber hash(const Lookup& aLookup) { return HashGeneric(aLookup); } | |||
| 761 | ||||
| 762 | static bool match(const Key& aKey, const Lookup& aLookup) { | |||
| 763 | return aKey == aLookup; | |||
| 764 | } | |||
| 765 | ||||
| 766 | static void rekey(Key& aKey, const Key& aNewKey) { aKey = aNewKey; } | |||
| 767 | }; | |||
| 768 | ||||
| 769 | // The default hash policy, which only works with integers. | |||
| 770 | template <class Key, typename> | |||
| 771 | struct DefaultHasher { | |||
| 772 | using Lookup = Key; | |||
| 773 | ||||
| 774 | static HashNumber hash(const Lookup& aLookup) { | |||
| 775 | // Just convert the integer to a HashNumber and use that as is. (This | |||
| 776 | // discards the high 32-bits of 64-bit integers!) ScrambleHashCode() is | |||
| 777 | // subsequently called on the value to improve the distribution. | |||
| 778 | return aLookup; | |||
| 779 | } | |||
| 780 | ||||
| 781 | static bool match(const Key& aKey, const Lookup& aLookup) { | |||
| 782 | // Use builtin or overloaded operator==. | |||
| 783 | return aKey == aLookup; | |||
| 784 | } | |||
| 785 | ||||
| 786 | static void rekey(Key& aKey, const Key& aNewKey) { aKey = aNewKey; } | |||
| 787 | }; | |||
| 788 | ||||
| 789 | // A DefaultHasher specialization for enums. | |||
| 790 | template <class T> | |||
| 791 | struct DefaultHasher<T, std::enable_if_t<std::is_enum_v<T>>> { | |||
| 792 | using Key = T; | |||
| 793 | using Lookup = Key; | |||
| 794 | ||||
| 795 | static HashNumber hash(const Lookup& aLookup) { return HashGeneric(aLookup); } | |||
| 796 | ||||
| 797 | static bool match(const Key& aKey, const Lookup& aLookup) { | |||
| 798 | // Use builtin or overloaded operator==. | |||
| 799 | return aKey == static_cast<Key>(aLookup); | |||
| 800 | } | |||
| 801 | ||||
| 802 | static void rekey(Key& aKey, const Key& aNewKey) { aKey = aNewKey; } | |||
| 803 | }; | |||
| 804 | ||||
| 805 | // A DefaultHasher specialization for pointers. | |||
| 806 | template <class T> | |||
| 807 | struct DefaultHasher<T*> : PointerHasher<T*> {}; | |||
| 808 | ||||
| 809 | // A DefaultHasher specialization for mozilla::UniquePtr. | |||
| 810 | template <class T, class D> | |||
| 811 | struct DefaultHasher<UniquePtr<T, D>> { | |||
| 812 | using Key = UniquePtr<T, D>; | |||
| 813 | using Lookup = Key; | |||
| 814 | using PtrHasher = PointerHasher<T*>; | |||
| 815 | ||||
| 816 | static HashNumber hash(const Lookup& aLookup) { | |||
| 817 | return PtrHasher::hash(aLookup.get()); | |||
| 818 | } | |||
| 819 | ||||
| 820 | static bool match(const Key& aKey, const Lookup& aLookup) { | |||
| 821 | return PtrHasher::match(aKey.get(), aLookup.get()); | |||
| 822 | } | |||
| 823 | ||||
| 824 | static void rekey(UniquePtr<T, D>& aKey, UniquePtr<T, D>&& aNewKey) { | |||
| 825 | aKey = std::move(aNewKey); | |||
| 826 | } | |||
| 827 | }; | |||
| 828 | ||||
| 829 | // A DefaultHasher specialization for doubles. | |||
| 830 | template <> | |||
| 831 | struct DefaultHasher<double> { | |||
| 832 | using Key = double; | |||
| 833 | using Lookup = Key; | |||
| 834 | ||||
| 835 | static HashNumber hash(const Lookup& aLookup) { | |||
| 836 | // Just xor the high bits with the low bits, and then treat the bits of the | |||
| 837 | // result as a uint32_t. | |||
| 838 | static_assert(sizeof(HashNumber) == 4, | |||
| 839 | "subsequent code assumes a four-byte hash"); | |||
| 840 | uint64_t u = BitwiseCast<uint64_t>(aLookup); | |||
| 841 | return HashNumber(u ^ (u >> 32)); | |||
| 842 | } | |||
| 843 | ||||
| 844 | static bool match(const Key& aKey, const Lookup& aLookup) { | |||
| 845 | return BitwiseCast<uint64_t>(aKey) == BitwiseCast<uint64_t>(aLookup); | |||
| 846 | } | |||
| 847 | }; | |||
| 848 | ||||
| 849 | // A DefaultHasher specialization for floats. | |||
| 850 | template <> | |||
| 851 | struct DefaultHasher<float> { | |||
| 852 | using Key = float; | |||
| 853 | using Lookup = Key; | |||
| 854 | ||||
| 855 | static HashNumber hash(const Lookup& aLookup) { | |||
| 856 | // Just use the value as if its bits form an integer. ScrambleHashCode() is | |||
| 857 | // subsequently called on the value to improve the distribution. | |||
| 858 | static_assert(sizeof(HashNumber) == 4, | |||
| 859 | "subsequent code assumes a four-byte hash"); | |||
| 860 | return HashNumber(BitwiseCast<uint32_t>(aLookup)); | |||
| 861 | } | |||
| 862 | ||||
| 863 | static bool match(const Key& aKey, const Lookup& aLookup) { | |||
| 864 | return BitwiseCast<uint32_t>(aKey) == BitwiseCast<uint32_t>(aLookup); | |||
| 865 | } | |||
| 866 | }; | |||
| 867 | ||||
| 868 | // A hash policy for C strings. | |||
| 869 | struct CStringHasher { | |||
| 870 | using Key = const char*; | |||
| 871 | using Lookup = const char*; | |||
| 872 | ||||
| 873 | static HashNumber hash(const Lookup& aLookup) { return HashString(aLookup); } | |||
| 874 | ||||
| 875 | static bool match(const Key& aKey, const Lookup& aLookup) { | |||
| 876 | return strcmp(aKey, aLookup) == 0; | |||
| 877 | } | |||
| 878 | }; | |||
| 879 | ||||
| 880 | //--------------------------------------------------------------------------- | |||
| 881 | // Fallible Hashing Interface | |||
| 882 | //--------------------------------------------------------------------------- | |||
| 883 | ||||
| 884 | // Most of the time generating a hash code is infallible, but sometimes it is | |||
| 885 | // necessary to generate hash codes on demand in a way that can fail. Specialize | |||
| 886 | // this class for your own hash policy to provide fallible hashing. | |||
| 887 | // | |||
| 888 | // This is used by MovableCellHasher to handle the fact that generating a unique | |||
| 889 | // ID for cell pointer may fail due to OOM. | |||
| 890 | // | |||
| 891 | // The default implementations of these methods delegate to the usual HashPolicy | |||
| 892 | // implementation and always succeed. | |||
| 893 | template <typename HashPolicy> | |||
| 894 | struct FallibleHashMethods { | |||
| 895 | // Return true if a hashcode is already available for its argument, and | |||
| 896 | // sets |aHashOut|. Once this succeeds for a specific argument it | |||
| 897 | // must continue to do so. | |||
| 898 | // | |||
| 899 | // Return false if a hashcode is not already available. This implies that any | |||
| 900 | // lookup must fail, as the hash code would have to have been successfully | |||
| 901 | // created on insertion. | |||
| 902 | template <typename Lookup> | |||
| 903 | static bool maybeGetHash(Lookup&& aLookup, HashNumber* aHashOut) { | |||
| 904 | *aHashOut = HashPolicy::hash(aLookup); | |||
| 905 | return true; | |||
| 906 | } | |||
| 907 | ||||
| 908 | // Fallible method to ensure a hashcode exists for its argument and create one | |||
| 909 | // if not. Sets |aHashOut| to the hashcode and retuns true on success. Returns | |||
| 910 | // false on error, e.g. out of memory. | |||
| 911 | template <typename Lookup> | |||
| 912 | static bool ensureHash(Lookup&& aLookup, HashNumber* aHashOut) { | |||
| 913 | *aHashOut = HashPolicy::hash(aLookup); | |||
| 914 | return true; | |||
| 915 | } | |||
| 916 | }; | |||
| 917 | ||||
| 918 | template <typename HashPolicy, typename Lookup> | |||
| 919 | static bool MaybeGetHash(Lookup&& aLookup, HashNumber* aHashOut) { | |||
| 920 | return FallibleHashMethods<typename HashPolicy::Base>::maybeGetHash( | |||
| 921 | std::forward<Lookup>(aLookup), aHashOut); | |||
| 922 | } | |||
| 923 | ||||
| 924 | template <typename HashPolicy, typename Lookup> | |||
| 925 | static bool EnsureHash(Lookup&& aLookup, HashNumber* aHashOut) { | |||
| 926 | return FallibleHashMethods<typename HashPolicy::Base>::ensureHash( | |||
| 927 | std::forward<Lookup>(aLookup), aHashOut); | |||
| 928 | } | |||
| 929 | ||||
| 930 | //--------------------------------------------------------------------------- | |||
| 931 | // Implementation Details (HashMapEntry, HashTableEntry, HashTable) | |||
| 932 | //--------------------------------------------------------------------------- | |||
| 933 | ||||
| 934 | // Both HashMap and HashSet are implemented by a single HashTable that is even | |||
| 935 | // more heavily parameterized than the other two. This leaves HashTable gnarly | |||
| 936 | // and extremely coupled to HashMap and HashSet; thus code should not use | |||
| 937 | // HashTable directly. | |||
| 938 | ||||
| 939 | template <class Key, class Value> | |||
| 940 | class HashMapEntry { | |||
| 941 | Key key_; | |||
| 942 | Value value_; | |||
| 943 | ||||
| 944 | template <class, class, class> | |||
| 945 | friend class detail::HashTable; | |||
| 946 | template <class> | |||
| 947 | friend class detail::HashTableEntry; | |||
| 948 | template <class, class, class, class> | |||
| 949 | friend class HashMap; | |||
| 950 | ||||
| 951 | public: | |||
| 952 | template <typename KeyInput, typename ValueInput> | |||
| 953 | HashMapEntry(KeyInput&& aKey, ValueInput&& aValue) | |||
| 954 | : key_(std::forward<KeyInput>(aKey)), | |||
| 955 | value_(std::forward<ValueInput>(aValue)) {} | |||
| 956 | ||||
| 957 | HashMapEntry(HashMapEntry&& aRhs) = default; | |||
| 958 | HashMapEntry& operator=(HashMapEntry&& aRhs) = default; | |||
| 959 | ||||
| 960 | using KeyType = Key; | |||
| 961 | using ValueType = Value; | |||
| 962 | ||||
| 963 | const Key& key() const { return key_; } | |||
| 964 | ||||
| 965 | // Use this method with caution! If the key is changed such that its hash | |||
| 966 | // value also changes, the map will be left in an invalid state. | |||
| 967 | Key& mutableKey() { return key_; } | |||
| 968 | ||||
| 969 | const Value& value() const { return value_; } | |||
| 970 | Value& value() { return value_; } | |||
| 971 | ||||
| 972 | private: | |||
| 973 | HashMapEntry(const HashMapEntry&) = delete; | |||
| 974 | void operator=(const HashMapEntry&) = delete; | |||
| 975 | }; | |||
| 976 | ||||
| 977 | namespace detail { | |||
| 978 | ||||
| 979 | template <class T, class HashPolicy, class AllocPolicy> | |||
| 980 | class HashTable; | |||
| 981 | ||||
| 982 | template <typename T> | |||
| 983 | class EntrySlot; | |||
| 984 | ||||
| 985 | template <typename T> | |||
| 986 | class HashTableEntry { | |||
| 987 | private: | |||
| 988 | using NonConstT = std::remove_const_t<T>; | |||
| 989 | ||||
| 990 | // Instead of having a hash table entry store that looks like this: | |||
| 991 | // | |||
| 992 | // +--------+--------+--------+--------+ | |||
| 993 | // | entry0 | entry1 | .... | entryN | | |||
| 994 | // +--------+--------+--------+--------+ | |||
| 995 | // | |||
| 996 | // where the entries contained their cached hash code, we're going to lay out | |||
| 997 | // the entry store thusly: | |||
| 998 | // | |||
| 999 | // +-------+-------+-------+-------+--------+--------+--------+--------+ | |||
| 1000 | // | hash0 | hash1 | ... | hashN | entry0 | entry1 | .... | entryN | | |||
| 1001 | // +-------+-------+-------+-------+--------+--------+--------+--------+ | |||
| 1002 | // | |||
| 1003 | // with all the cached hashes prior to the actual entries themselves. | |||
| 1004 | // | |||
| 1005 | // We do this because implementing the first strategy requires us to make | |||
| 1006 | // HashTableEntry look roughly like: | |||
| 1007 | // | |||
| 1008 | // template <typename T> | |||
| 1009 | // class HashTableEntry { | |||
| 1010 | // HashNumber mKeyHash; | |||
| 1011 | // T mValue; | |||
| 1012 | // }; | |||
| 1013 | // | |||
| 1014 | // The problem with this setup is that, depending on the layout of `T`, there | |||
| 1015 | // may be platform ABI-mandated padding between `mKeyHash` and the first | |||
| 1016 | // member of `T`. This ABI-mandated padding is wasted space, and can be | |||
| 1017 | // surprisingly common, e.g. when `T` is a single pointer on 64-bit platforms. | |||
| 1018 | // In such cases, we're throwing away a quarter of our entry store on padding, | |||
| 1019 | // which is undesirable. | |||
| 1020 | // | |||
| 1021 | // The second layout above, namely: | |||
| 1022 | // | |||
| 1023 | // +-------+-------+-------+-------+--------+--------+--------+--------+ | |||
| 1024 | // | hash0 | hash1 | ... | hashN | entry0 | entry1 | .... | entryN | | |||
| 1025 | // +-------+-------+-------+-------+--------+--------+--------+--------+ | |||
| 1026 | // | |||
| 1027 | // means there is no wasted space between the hashes themselves, and no wasted | |||
| 1028 | // space between the entries themselves. However, we would also like there to | |||
| 1029 | // be no gap between the last hash and the first entry. The memory allocator | |||
| 1030 | // guarantees the alignment of the start of the hashes. The use of a | |||
| 1031 | // power-of-two capacity of at least 4 guarantees that the alignment of the | |||
| 1032 | // *end* of the hash array is no less than the alignment of the start. | |||
| 1033 | // Finally, the static_asserts here guarantee that the entries themselves | |||
| 1034 | // don't need to be any more aligned than the alignment of the entry store | |||
| 1035 | // itself. | |||
| 1036 | // | |||
| 1037 | // This assertion is safe for 32-bit builds because on both Windows and Linux | |||
| 1038 | // (including Android), the minimum alignment for allocations larger than 8 | |||
| 1039 | // bytes is 8 bytes, and the actual data for entries in our entry store is | |||
| 1040 | // guaranteed to have that alignment as well, thanks to the power-of-two | |||
| 1041 | // number of cached hash values stored prior to the entry data. | |||
| 1042 | ||||
| 1043 | // The allocation policy must allocate a table with at least this much | |||
| 1044 | // alignment. | |||
| 1045 | static constexpr size_t kMinimumAlignment = 8; | |||
| 1046 | ||||
| 1047 | static_assert(alignof(HashNumber) <= kMinimumAlignment, | |||
| 1048 | "[N*2 hashes, N*2 T values] allocation's alignment must be " | |||
| 1049 | "enough to align each hash"); | |||
| 1050 | static_assert(alignof(NonConstT) <= 2 * sizeof(HashNumber), | |||
| 1051 | "subsequent N*2 T values must not require more than an even " | |||
| 1052 | "number of HashNumbers provides"); | |||
| 1053 | ||||
| 1054 | static const HashNumber sFreeKey = 0; | |||
| 1055 | static const HashNumber sRemovedKey = 1; | |||
| 1056 | static const HashNumber sCollisionBit = 1; | |||
| 1057 | ||||
| 1058 | alignas(NonConstT) unsigned char mValueData[sizeof(NonConstT)]; | |||
| 1059 | ||||
| 1060 | private: | |||
| 1061 | template <class, class, class> | |||
| 1062 | friend class HashTable; | |||
| 1063 | template <typename> | |||
| 1064 | friend class EntrySlot; | |||
| 1065 | ||||
| 1066 | // Some versions of GCC treat it as a -Wstrict-aliasing violation (ergo a | |||
| 1067 | // -Werror compile error) to reinterpret_cast<> |mValueData| to |T*|, even | |||
| 1068 | // through |void*|. Placing the latter cast in these separate functions | |||
| 1069 | // breaks the chain such that affected GCC versions no longer warn/error. | |||
| 1070 | void* rawValuePtr() { return mValueData; } | |||
| 1071 | ||||
| 1072 | static bool isLiveHash(HashNumber hash) { return hash > sRemovedKey; } | |||
| 1073 | ||||
| 1074 | HashTableEntry(const HashTableEntry&) = delete; | |||
| 1075 | void operator=(const HashTableEntry&) = delete; | |||
| 1076 | ||||
| 1077 | NonConstT* valuePtr() { return reinterpret_cast<NonConstT*>(rawValuePtr()); } | |||
| 1078 | ||||
| 1079 | void destroyStoredT() { | |||
| 1080 | NonConstT* ptr = valuePtr(); | |||
| 1081 | ptr->~T(); | |||
| 1082 | MOZ_MAKE_MEM_UNDEFINED(ptr, sizeof(*ptr))do { } while (0); | |||
| 1083 | } | |||
| 1084 | ||||
| 1085 | public: | |||
| 1086 | HashTableEntry() = default; | |||
| 1087 | ||||
| 1088 | ~HashTableEntry() { MOZ_MAKE_MEM_UNDEFINED(this, sizeof(*this))do { } while (0); } | |||
| 1089 | ||||
| 1090 | void destroy() { destroyStoredT(); } | |||
| 1091 | ||||
| 1092 | void swap(HashTableEntry* aOther, bool aIsLive) { | |||
| 1093 | // This allows types to use Argument-Dependent-Lookup, and thus use a custom | |||
| 1094 | // std::swap, which is needed by types like JS::Heap and such. | |||
| 1095 | using std::swap; | |||
| 1096 | ||||
| 1097 | if (this == aOther) { | |||
| 1098 | return; | |||
| 1099 | } | |||
| 1100 | if (aIsLive) { | |||
| 1101 | swap(*valuePtr(), *aOther->valuePtr()); | |||
| 1102 | } else { | |||
| 1103 | *aOther->valuePtr() = std::move(*valuePtr()); | |||
| 1104 | destroy(); | |||
| 1105 | } | |||
| 1106 | } | |||
| 1107 | ||||
| 1108 | T& get() { return *valuePtr(); } | |||
| 1109 | ||||
| 1110 | NonConstT& getMutable() { return *valuePtr(); } | |||
| 1111 | }; | |||
| 1112 | ||||
| 1113 | // A slot represents a cached hash value and its associated entry stored | |||
| 1114 | // in the hash table. These two things are not stored in contiguous memory. | |||
| 1115 | template <class T> | |||
| 1116 | class EntrySlot { | |||
| 1117 | using NonConstT = std::remove_const_t<T>; | |||
| 1118 | ||||
| 1119 | using Entry = HashTableEntry<T>; | |||
| 1120 | ||||
| 1121 | Entry* mEntry; | |||
| 1122 | HashNumber* mKeyHash; | |||
| 1123 | ||||
| 1124 | template <class, class, class> | |||
| 1125 | friend class HashTable; | |||
| 1126 | ||||
| 1127 | EntrySlot(Entry* aEntry, HashNumber* aKeyHash) | |||
| 1128 | : mEntry(aEntry), mKeyHash(aKeyHash) {} | |||
| 1129 | ||||
| 1130 | public: | |||
| 1131 | static bool isLiveHash(HashNumber hash) { return hash > Entry::sRemovedKey; } | |||
| 1132 | ||||
| 1133 | EntrySlot(const EntrySlot&) = default; | |||
| 1134 | EntrySlot(EntrySlot&& aOther) = default; | |||
| 1135 | ||||
| 1136 | EntrySlot& operator=(const EntrySlot&) = default; | |||
| 1137 | EntrySlot& operator=(EntrySlot&&) = default; | |||
| 1138 | ||||
| 1139 | bool operator==(const EntrySlot& aRhs) const { return mEntry == aRhs.mEntry; } | |||
| 1140 | ||||
| 1141 | bool operator<(const EntrySlot& aRhs) const { return mEntry < aRhs.mEntry; } | |||
| 1142 | ||||
| 1143 | EntrySlot& operator++() { | |||
| 1144 | ++mEntry; | |||
| 1145 | ++mKeyHash; | |||
| 1146 | return *this; | |||
| 1147 | } | |||
| 1148 | ||||
| 1149 | void destroy() { mEntry->destroy(); } | |||
| 1150 | ||||
| 1151 | void swap(EntrySlot& aOther) { | |||
| 1152 | mEntry->swap(aOther.mEntry, aOther.isLive()); | |||
| 1153 | std::swap(*mKeyHash, *aOther.mKeyHash); | |||
| 1154 | } | |||
| 1155 | ||||
| 1156 | T& get() const { return mEntry->get(); } | |||
| 1157 | ||||
| 1158 | NonConstT& getMutable() { return mEntry->getMutable(); } | |||
| 1159 | ||||
| 1160 | bool isFree() const { return *mKeyHash == Entry::sFreeKey; } | |||
| 1161 | ||||
| 1162 | void clearLive() { | |||
| 1163 | MOZ_ASSERT(isLive())do { static_assert( mozilla::detail::AssertionConditionType< decltype(isLive())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(isLive()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("isLive()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1163); AnnotateMozCrashReason("MOZ_ASSERT" "(" "isLive()" ")" ); do { *((volatile int*)__null) = 1163; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1164 | *mKeyHash = Entry::sFreeKey; | |||
| 1165 | mEntry->destroyStoredT(); | |||
| 1166 | } | |||
| 1167 | ||||
| 1168 | void clear() { | |||
| 1169 | if (isLive()) { | |||
| 1170 | mEntry->destroyStoredT(); | |||
| 1171 | } | |||
| 1172 | MOZ_MAKE_MEM_UNDEFINED(mEntry, sizeof(*mEntry))do { } while (0); | |||
| 1173 | *mKeyHash = Entry::sFreeKey; | |||
| 1174 | } | |||
| 1175 | ||||
| 1176 | bool isRemoved() const { return *mKeyHash == Entry::sRemovedKey; } | |||
| 1177 | ||||
| 1178 | void removeLive() { | |||
| 1179 | MOZ_ASSERT(isLive())do { static_assert( mozilla::detail::AssertionConditionType< decltype(isLive())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(isLive()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("isLive()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1179); AnnotateMozCrashReason("MOZ_ASSERT" "(" "isLive()" ")" ); do { *((volatile int*)__null) = 1179; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1180 | *mKeyHash = Entry::sRemovedKey; | |||
| 1181 | mEntry->destroyStoredT(); | |||
| 1182 | } | |||
| 1183 | ||||
| 1184 | bool isLive() const { return isLiveHash(*mKeyHash); } | |||
| 1185 | ||||
| 1186 | void setCollision() { | |||
| 1187 | MOZ_ASSERT(isLive())do { static_assert( mozilla::detail::AssertionConditionType< decltype(isLive())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(isLive()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("isLive()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1187); AnnotateMozCrashReason("MOZ_ASSERT" "(" "isLive()" ")" ); do { *((volatile int*)__null) = 1187; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1188 | *mKeyHash |= Entry::sCollisionBit; | |||
| 1189 | } | |||
| 1190 | void unsetCollision() { *mKeyHash &= ~Entry::sCollisionBit; } | |||
| 1191 | bool hasCollision() const { return *mKeyHash & Entry::sCollisionBit; } | |||
| ||||
| 1192 | bool matchHash(HashNumber hn) { | |||
| 1193 | return (*mKeyHash & ~Entry::sCollisionBit) == hn; | |||
| 1194 | } | |||
| 1195 | HashNumber getKeyHash() const { return *mKeyHash & ~Entry::sCollisionBit; } | |||
| 1196 | ||||
| 1197 | template <typename... Args> | |||
| 1198 | void setLive(HashNumber aHashNumber, Args&&... aArgs) { | |||
| 1199 | MOZ_ASSERT(!isLive())do { static_assert( mozilla::detail::AssertionConditionType< decltype(!isLive())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!isLive()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!isLive()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1199); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!isLive()" ")" ); do { *((volatile int*)__null) = 1199; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1200 | *mKeyHash = aHashNumber; | |||
| 1201 | new (KnownNotNull, mEntry->valuePtr()) T(std::forward<Args>(aArgs)...); | |||
| 1202 | MOZ_ASSERT(isLive())do { static_assert( mozilla::detail::AssertionConditionType< decltype(isLive())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(isLive()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("isLive()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1202); AnnotateMozCrashReason("MOZ_ASSERT" "(" "isLive()" ")" ); do { *((volatile int*)__null) = 1202; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1203 | } | |||
| 1204 | ||||
| 1205 | Entry* toEntry() const { return mEntry; } | |||
| 1206 | }; | |||
| 1207 | ||||
| 1208 | template <class T, class HashPolicy, class AllocPolicy> | |||
| 1209 | class HashTable : private AllocPolicy { | |||
| 1210 | friend class mozilla::ReentrancyGuard; | |||
| 1211 | ||||
| 1212 | using NonConstT = std::remove_const_t<T>; | |||
| 1213 | using Key = typename HashPolicy::KeyType; | |||
| 1214 | using Lookup = typename HashPolicy::Lookup; | |||
| 1215 | ||||
| 1216 | public: | |||
| 1217 | using Entry = HashTableEntry<T>; | |||
| 1218 | using Slot = EntrySlot<T>; | |||
| 1219 | ||||
| 1220 | template <typename F> | |||
| 1221 | static void forEachSlot(char* aTable, uint32_t aCapacity, F&& f) { | |||
| 1222 | auto hashes = reinterpret_cast<HashNumber*>(aTable); | |||
| 1223 | auto entries = reinterpret_cast<Entry*>(&hashes[aCapacity]); | |||
| 1224 | Slot slot(entries, hashes); | |||
| 1225 | for (size_t i = 0; i < size_t(aCapacity); ++i) { | |||
| 1226 | f(slot); | |||
| 1227 | ++slot; | |||
| 1228 | } | |||
| 1229 | } | |||
| 1230 | ||||
| 1231 | // A nullable pointer to a hash table element. A Ptr |p| can be tested | |||
| 1232 | // either explicitly |if (p.found()) p->...| or using boolean conversion | |||
| 1233 | // |if (p) p->...|. Ptr objects must not be used after any mutating hash | |||
| 1234 | // table operations unless |generation()| is tested. | |||
| 1235 | class Ptr { | |||
| 1236 | friend class HashTable; | |||
| 1237 | ||||
| 1238 | Slot mSlot; | |||
| 1239 | #ifdef DEBUG1 | |||
| 1240 | const HashTable* mTable; | |||
| 1241 | Generation mGeneration; | |||
| 1242 | #endif | |||
| 1243 | ||||
| 1244 | protected: | |||
| 1245 | Ptr(Slot aSlot, const HashTable& aTable) | |||
| 1246 | : mSlot(aSlot) | |||
| 1247 | #ifdef DEBUG1 | |||
| 1248 | , | |||
| 1249 | mTable(&aTable), | |||
| 1250 | mGeneration(aTable.generation()) | |||
| 1251 | #endif | |||
| 1252 | { | |||
| 1253 | } | |||
| 1254 | ||||
| 1255 | // This constructor is used only by AddPtr() within lookupForAdd(). | |||
| 1256 | explicit Ptr(const HashTable& aTable) | |||
| 1257 | : mSlot(nullptr, nullptr) | |||
| 1258 | #ifdef DEBUG1 | |||
| 1259 | , | |||
| 1260 | mTable(&aTable), | |||
| 1261 | mGeneration(aTable.generation()) | |||
| 1262 | #endif | |||
| 1263 | { | |||
| 1264 | } | |||
| 1265 | ||||
| 1266 | bool isValid() const { return !!mSlot.toEntry(); } | |||
| 1267 | ||||
| 1268 | public: | |||
| 1269 | Ptr() | |||
| 1270 | : mSlot(nullptr, nullptr) | |||
| 1271 | #ifdef DEBUG1 | |||
| 1272 | , | |||
| 1273 | mTable(nullptr), | |||
| 1274 | mGeneration(0) | |||
| 1275 | #endif | |||
| 1276 | { | |||
| 1277 | } | |||
| 1278 | ||||
| 1279 | bool found() const { | |||
| 1280 | if (!isValid()) { | |||
| 1281 | return false; | |||
| 1282 | } | |||
| 1283 | #ifdef DEBUG1 | |||
| 1284 | MOZ_ASSERT(mGeneration == mTable->generation())do { static_assert( mozilla::detail::AssertionConditionType< decltype(mGeneration == mTable->generation())>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(mGeneration == mTable->generation()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mGeneration == mTable->generation()" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1284); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mGeneration == mTable->generation()" ")"); do { *((volatile int*)__null) = 1284; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1285 | #endif | |||
| 1286 | return mSlot.isLive(); | |||
| 1287 | } | |||
| 1288 | ||||
| 1289 | explicit operator bool() const { return found(); } | |||
| 1290 | ||||
| 1291 | bool operator==(const Ptr& aRhs) const { | |||
| 1292 | MOZ_ASSERT(found() && aRhs.found())do { static_assert( mozilla::detail::AssertionConditionType< decltype(found() && aRhs.found())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(found() && aRhs.found ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("found() && aRhs.found()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1292); AnnotateMozCrashReason("MOZ_ASSERT" "(" "found() && aRhs.found()" ")"); do { *((volatile int*)__null) = 1292; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1293 | return mSlot == aRhs.mSlot; | |||
| 1294 | } | |||
| 1295 | ||||
| 1296 | bool operator!=(const Ptr& aRhs) const { | |||
| 1297 | #ifdef DEBUG1 | |||
| 1298 | MOZ_ASSERT(mGeneration == mTable->generation())do { static_assert( mozilla::detail::AssertionConditionType< decltype(mGeneration == mTable->generation())>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(mGeneration == mTable->generation()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mGeneration == mTable->generation()" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1298); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mGeneration == mTable->generation()" ")"); do { *((volatile int*)__null) = 1298; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1299 | #endif | |||
| 1300 | return !(*this == aRhs); | |||
| 1301 | } | |||
| 1302 | ||||
| 1303 | T& operator*() const { | |||
| 1304 | #ifdef DEBUG1 | |||
| 1305 | MOZ_ASSERT(found())do { static_assert( mozilla::detail::AssertionConditionType< decltype(found())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(found()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("found()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1305); AnnotateMozCrashReason("MOZ_ASSERT" "(" "found()" ")" ); do { *((volatile int*)__null) = 1305; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1306 | MOZ_ASSERT(mGeneration == mTable->generation())do { static_assert( mozilla::detail::AssertionConditionType< decltype(mGeneration == mTable->generation())>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(mGeneration == mTable->generation()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mGeneration == mTable->generation()" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1306); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mGeneration == mTable->generation()" ")"); do { *((volatile int*)__null) = 1306; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1307 | #endif | |||
| 1308 | return mSlot.get(); | |||
| 1309 | } | |||
| 1310 | ||||
| 1311 | T* operator->() const { | |||
| 1312 | #ifdef DEBUG1 | |||
| 1313 | MOZ_ASSERT(found())do { static_assert( mozilla::detail::AssertionConditionType< decltype(found())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(found()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("found()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1313); AnnotateMozCrashReason("MOZ_ASSERT" "(" "found()" ")" ); do { *((volatile int*)__null) = 1313; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1314 | MOZ_ASSERT(mGeneration == mTable->generation())do { static_assert( mozilla::detail::AssertionConditionType< decltype(mGeneration == mTable->generation())>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(mGeneration == mTable->generation()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mGeneration == mTable->generation()" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1314); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mGeneration == mTable->generation()" ")"); do { *((volatile int*)__null) = 1314; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1315 | #endif | |||
| 1316 | return &mSlot.get(); | |||
| 1317 | } | |||
| 1318 | }; | |||
| 1319 | ||||
| 1320 | // A Ptr that can be used to add a key after a failed lookup. | |||
| 1321 | class AddPtr : public Ptr { | |||
| 1322 | friend class HashTable; | |||
| 1323 | ||||
| 1324 | HashNumber mKeyHash; | |||
| 1325 | #ifdef DEBUG1 | |||
| 1326 | uint64_t mMutationCount; | |||
| 1327 | #endif | |||
| 1328 | ||||
| 1329 | AddPtr(Slot aSlot, const HashTable& aTable, HashNumber aHashNumber) | |||
| 1330 | : Ptr(aSlot, aTable), | |||
| 1331 | mKeyHash(aHashNumber) | |||
| 1332 | #ifdef DEBUG1 | |||
| 1333 | , | |||
| 1334 | mMutationCount(aTable.mMutationCount) | |||
| 1335 | #endif | |||
| 1336 | { | |||
| 1337 | } | |||
| 1338 | ||||
| 1339 | // This constructor is used when lookupForAdd() is performed on a table | |||
| 1340 | // lacking entry storage; it leaves mSlot null but initializes everything | |||
| 1341 | // else. | |||
| 1342 | AddPtr(const HashTable& aTable, HashNumber aHashNumber) | |||
| 1343 | : Ptr(aTable), | |||
| 1344 | mKeyHash(aHashNumber) | |||
| 1345 | #ifdef DEBUG1 | |||
| 1346 | , | |||
| 1347 | mMutationCount(aTable.mMutationCount) | |||
| 1348 | #endif | |||
| 1349 | { | |||
| 1350 | MOZ_ASSERT(isLive())do { static_assert( mozilla::detail::AssertionConditionType< decltype(isLive())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(isLive()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("isLive()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1350); AnnotateMozCrashReason("MOZ_ASSERT" "(" "isLive()" ")" ); do { *((volatile int*)__null) = 1350; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1351 | } | |||
| 1352 | ||||
| 1353 | bool isLive() const { return isLiveHash(mKeyHash); } | |||
| 1354 | ||||
| 1355 | public: | |||
| 1356 | AddPtr() : mKeyHash(0) {} | |||
| 1357 | }; | |||
| 1358 | ||||
| 1359 | // A hash table iterator that (mostly) doesn't allow table modifications. | |||
| 1360 | // As with Ptr/AddPtr, Iterator objects must not be used after any mutating | |||
| 1361 | // hash table operation unless the |generation()| is tested. | |||
| 1362 | class Iterator { | |||
| 1363 | void moveToNextLiveEntry() { | |||
| 1364 | while (++mCur < mEnd && !mCur.isLive()) { | |||
| 1365 | continue; | |||
| 1366 | } | |||
| 1367 | } | |||
| 1368 | ||||
| 1369 | protected: | |||
| 1370 | friend class HashTable; | |||
| 1371 | ||||
| 1372 | explicit Iterator(const HashTable& aTable) | |||
| 1373 | : mCur(aTable.slotForIndex(0)), | |||
| 1374 | mEnd(aTable.slotForIndex(aTable.capacity())) | |||
| 1375 | #ifdef DEBUG1 | |||
| 1376 | , | |||
| 1377 | mTable(aTable), | |||
| 1378 | mMutationCount(aTable.mMutationCount), | |||
| 1379 | mGeneration(aTable.generation()), | |||
| 1380 | mValidEntry(true) | |||
| 1381 | #endif | |||
| 1382 | { | |||
| 1383 | if (!done() && !mCur.isLive()) { | |||
| 1384 | moveToNextLiveEntry(); | |||
| 1385 | } | |||
| 1386 | } | |||
| 1387 | ||||
| 1388 | Slot mCur; | |||
| 1389 | Slot mEnd; | |||
| 1390 | #ifdef DEBUG1 | |||
| 1391 | const HashTable& mTable; | |||
| 1392 | uint64_t mMutationCount; | |||
| 1393 | Generation mGeneration; | |||
| 1394 | bool mValidEntry; | |||
| 1395 | #endif | |||
| 1396 | ||||
| 1397 | public: | |||
| 1398 | bool done() const { | |||
| 1399 | MOZ_ASSERT(mGeneration == mTable.generation())do { static_assert( mozilla::detail::AssertionConditionType< decltype(mGeneration == mTable.generation())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mGeneration == mTable.generation ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("mGeneration == mTable.generation()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1399); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mGeneration == mTable.generation()" ")"); do { *((volatile int*)__null) = 1399; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1400 | MOZ_ASSERT(mMutationCount == mTable.mMutationCount)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mMutationCount == mTable.mMutationCount)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(mMutationCount == mTable.mMutationCount))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mMutationCount == mTable.mMutationCount" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1400); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mMutationCount == mTable.mMutationCount" ")"); do { *((volatile int*)__null) = 1400; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1401 | return mCur == mEnd; | |||
| 1402 | } | |||
| 1403 | ||||
| 1404 | T& get() const { | |||
| 1405 | MOZ_ASSERT(!done())do { static_assert( mozilla::detail::AssertionConditionType< decltype(!done())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!done()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!done()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1405); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!done()" ")" ); do { *((volatile int*)__null) = 1405; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1406 | MOZ_ASSERT(mValidEntry)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mValidEntry)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mValidEntry))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mValidEntry", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1406); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mValidEntry" ")"); do { *((volatile int*)__null) = 1406; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1407 | MOZ_ASSERT(mGeneration == mTable.generation())do { static_assert( mozilla::detail::AssertionConditionType< decltype(mGeneration == mTable.generation())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mGeneration == mTable.generation ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("mGeneration == mTable.generation()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1407); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mGeneration == mTable.generation()" ")"); do { *((volatile int*)__null) = 1407; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1408 | MOZ_ASSERT(mMutationCount == mTable.mMutationCount)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mMutationCount == mTable.mMutationCount)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(mMutationCount == mTable.mMutationCount))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mMutationCount == mTable.mMutationCount" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1408); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mMutationCount == mTable.mMutationCount" ")"); do { *((volatile int*)__null) = 1408; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1409 | return mCur.get(); | |||
| 1410 | } | |||
| 1411 | ||||
| 1412 | void next() { | |||
| 1413 | MOZ_ASSERT(!done())do { static_assert( mozilla::detail::AssertionConditionType< decltype(!done())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!done()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!done()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1413); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!done()" ")" ); do { *((volatile int*)__null) = 1413; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1414 | MOZ_ASSERT(mGeneration == mTable.generation())do { static_assert( mozilla::detail::AssertionConditionType< decltype(mGeneration == mTable.generation())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mGeneration == mTable.generation ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("mGeneration == mTable.generation()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1414); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mGeneration == mTable.generation()" ")"); do { *((volatile int*)__null) = 1414; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1415 | MOZ_ASSERT(mMutationCount == mTable.mMutationCount)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mMutationCount == mTable.mMutationCount)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(mMutationCount == mTable.mMutationCount))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mMutationCount == mTable.mMutationCount" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1415); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mMutationCount == mTable.mMutationCount" ")"); do { *((volatile int*)__null) = 1415; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1416 | moveToNextLiveEntry(); | |||
| 1417 | #ifdef DEBUG1 | |||
| 1418 | mValidEntry = true; | |||
| 1419 | #endif | |||
| 1420 | } | |||
| 1421 | }; | |||
| 1422 | ||||
| 1423 | // A hash table iterator that permits modification, removal and rekeying. | |||
| 1424 | // Since rehashing when elements were removed during enumeration would be | |||
| 1425 | // bad, it is postponed until the ModIterator is destructed. Since the | |||
| 1426 | // ModIterator's destructor touches the hash table, the user must ensure | |||
| 1427 | // that the hash table is still alive when the destructor runs. | |||
| 1428 | class ModIterator : public Iterator { | |||
| 1429 | friend class HashTable; | |||
| 1430 | ||||
| 1431 | HashTable& mTable; | |||
| 1432 | bool mRekeyed; | |||
| 1433 | bool mRemoved; | |||
| 1434 | ||||
| 1435 | // ModIterator is movable but not copyable. | |||
| 1436 | ModIterator(const ModIterator&) = delete; | |||
| 1437 | void operator=(const ModIterator&) = delete; | |||
| 1438 | ||||
| 1439 | protected: | |||
| 1440 | explicit ModIterator(HashTable& aTable) | |||
| 1441 | : Iterator(aTable), mTable(aTable), mRekeyed(false), mRemoved(false) {} | |||
| 1442 | ||||
| 1443 | public: | |||
| 1444 | MOZ_IMPLICIT ModIterator(ModIterator&& aOther) | |||
| 1445 | : Iterator(aOther), | |||
| 1446 | mTable(aOther.mTable), | |||
| 1447 | mRekeyed(aOther.mRekeyed), | |||
| 1448 | mRemoved(aOther.mRemoved) { | |||
| 1449 | aOther.mRekeyed = false; | |||
| 1450 | aOther.mRemoved = false; | |||
| 1451 | } | |||
| 1452 | ||||
| 1453 | // Removes the current element from the table, leaving |get()| | |||
| 1454 | // invalid until the next call to |next()|. | |||
| 1455 | void remove() { | |||
| 1456 | mTable.remove(this->mCur); | |||
| 1457 | mRemoved = true; | |||
| 1458 | #ifdef DEBUG1 | |||
| 1459 | this->mValidEntry = false; | |||
| 1460 | this->mMutationCount = mTable.mMutationCount; | |||
| 1461 | #endif | |||
| 1462 | } | |||
| 1463 | ||||
| 1464 | NonConstT& getMutable() { | |||
| 1465 | MOZ_ASSERT(!this->done())do { static_assert( mozilla::detail::AssertionConditionType< decltype(!this->done())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!this->done()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!this->done()" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1465); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!this->done()" ")"); do { *((volatile int*)__null) = 1465; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1466 | MOZ_ASSERT(this->mValidEntry)do { static_assert( mozilla::detail::AssertionConditionType< decltype(this->mValidEntry)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(this->mValidEntry))), 0)) ) { do { } while (false); MOZ_ReportAssertionFailure("this->mValidEntry" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1466); AnnotateMozCrashReason("MOZ_ASSERT" "(" "this->mValidEntry" ")"); do { *((volatile int*)__null) = 1466; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1467 | MOZ_ASSERT(this->mGeneration == this->Iterator::mTable.generation())do { static_assert( mozilla::detail::AssertionConditionType< decltype(this->mGeneration == this->Iterator::mTable.generation ())>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(this->mGeneration == this->Iterator::mTable.generation ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("this->mGeneration == this->Iterator::mTable.generation()" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1467); AnnotateMozCrashReason("MOZ_ASSERT" "(" "this->mGeneration == this->Iterator::mTable.generation()" ")"); do { *((volatile int*)__null) = 1467; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1468 | MOZ_ASSERT(this->mMutationCount == this->Iterator::mTable.mMutationCount)do { static_assert( mozilla::detail::AssertionConditionType< decltype(this->mMutationCount == this->Iterator::mTable .mMutationCount)>::isValid, "invalid assertion condition") ; if ((__builtin_expect(!!(!(!!(this->mMutationCount == this ->Iterator::mTable.mMutationCount))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("this->mMutationCount == this->Iterator::mTable.mMutationCount" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1468); AnnotateMozCrashReason("MOZ_ASSERT" "(" "this->mMutationCount == this->Iterator::mTable.mMutationCount" ")"); do { *((volatile int*)__null) = 1468; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1469 | return this->mCur.getMutable(); | |||
| 1470 | } | |||
| 1471 | ||||
| 1472 | // Removes the current element and re-inserts it into the table with | |||
| 1473 | // a new key at the new Lookup position. |get()| is invalid after | |||
| 1474 | // this operation until the next call to |next()|. | |||
| 1475 | void rekey(const Lookup& l, const Key& k) { | |||
| 1476 | MOZ_ASSERT(&k != &HashPolicy::getKey(this->mCur.get()))do { static_assert( mozilla::detail::AssertionConditionType< decltype(&k != &HashPolicy::getKey(this->mCur.get( )))>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(&k != &HashPolicy::getKey(this->mCur.get( ))))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("&k != &HashPolicy::getKey(this->mCur.get())", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1476); AnnotateMozCrashReason("MOZ_ASSERT" "(" "&k != &HashPolicy::getKey(this->mCur.get())" ")"); do { *((volatile int*)__null) = 1476; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1477 | Ptr p(this->mCur, mTable); | |||
| 1478 | mTable.rekeyWithoutRehash(p, l, k); | |||
| 1479 | mRekeyed = true; | |||
| 1480 | #ifdef DEBUG1 | |||
| 1481 | this->mValidEntry = false; | |||
| 1482 | this->mMutationCount = mTable.mMutationCount; | |||
| 1483 | #endif | |||
| 1484 | } | |||
| 1485 | ||||
| 1486 | void rekey(const Key& k) { rekey(k, k); } | |||
| 1487 | ||||
| 1488 | // Potentially rehashes the table. | |||
| 1489 | ~ModIterator() { | |||
| 1490 | if (mRekeyed) { | |||
| 1491 | mTable.mGen++; | |||
| 1492 | mTable.infallibleRehashIfOverloaded(); | |||
| 1493 | } | |||
| 1494 | ||||
| 1495 | if (mRemoved) { | |||
| 1496 | mTable.compact(); | |||
| 1497 | } | |||
| 1498 | } | |||
| 1499 | }; | |||
| 1500 | ||||
| 1501 | // Range is similar to Iterator, but uses different terminology. | |||
| 1502 | class Range { | |||
| 1503 | friend class HashTable; | |||
| 1504 | ||||
| 1505 | Iterator mIter; | |||
| 1506 | ||||
| 1507 | protected: | |||
| 1508 | explicit Range(const HashTable& table) : mIter(table) {} | |||
| 1509 | ||||
| 1510 | public: | |||
| 1511 | bool empty() const { return mIter.done(); } | |||
| 1512 | ||||
| 1513 | T& front() const { return mIter.get(); } | |||
| 1514 | ||||
| 1515 | void popFront() { return mIter.next(); } | |||
| 1516 | }; | |||
| 1517 | ||||
| 1518 | // Enum is similar to ModIterator, but uses different terminology. | |||
| 1519 | class Enum { | |||
| 1520 | ModIterator mIter; | |||
| 1521 | ||||
| 1522 | // Enum is movable but not copyable. | |||
| 1523 | Enum(const Enum&) = delete; | |||
| 1524 | void operator=(const Enum&) = delete; | |||
| 1525 | ||||
| 1526 | public: | |||
| 1527 | template <class Map> | |||
| 1528 | explicit Enum(Map& map) : mIter(map.mImpl) {} | |||
| 1529 | ||||
| 1530 | MOZ_IMPLICIT Enum(Enum&& other) : mIter(std::move(other.mIter)) {} | |||
| 1531 | ||||
| 1532 | bool empty() const { return mIter.done(); } | |||
| 1533 | ||||
| 1534 | T& front() const { return mIter.get(); } | |||
| 1535 | ||||
| 1536 | void popFront() { return mIter.next(); } | |||
| 1537 | ||||
| 1538 | void removeFront() { mIter.remove(); } | |||
| 1539 | ||||
| 1540 | NonConstT& mutableFront() { return mIter.getMutable(); } | |||
| 1541 | ||||
| 1542 | void rekeyFront(const Lookup& aLookup, const Key& aKey) { | |||
| 1543 | mIter.rekey(aLookup, aKey); | |||
| 1544 | } | |||
| 1545 | ||||
| 1546 | void rekeyFront(const Key& aKey) { mIter.rekey(aKey); } | |||
| 1547 | }; | |||
| 1548 | ||||
| 1549 | // HashTable is movable | |||
| 1550 | HashTable(HashTable&& aRhs) : AllocPolicy(std::move(aRhs)) { moveFrom(aRhs); } | |||
| 1551 | HashTable& operator=(HashTable&& aRhs) { | |||
| 1552 | MOZ_ASSERT(this != &aRhs, "self-move assignment is prohibited")do { static_assert( mozilla::detail::AssertionConditionType< decltype(this != &aRhs)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(this != &aRhs))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("this != &aRhs" " (" "self-move assignment is prohibited" ")", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1552); AnnotateMozCrashReason("MOZ_ASSERT" "(" "this != &aRhs" ") (" "self-move assignment is prohibited" ")"); do { *((volatile int*)__null) = 1552; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); | |||
| 1553 | if (mTable) { | |||
| 1554 | destroyTable(*this, mTable, capacity()); | |||
| 1555 | } | |||
| 1556 | AllocPolicy::operator=(std::move(aRhs)); | |||
| 1557 | moveFrom(aRhs); | |||
| 1558 | return *this; | |||
| 1559 | } | |||
| 1560 | ||||
| 1561 | private: | |||
| 1562 | void moveFrom(HashTable& aRhs) { | |||
| 1563 | mGen = aRhs.mGen; | |||
| 1564 | mHashShift = aRhs.mHashShift; | |||
| 1565 | mTable = aRhs.mTable; | |||
| 1566 | mEntryCount = aRhs.mEntryCount; | |||
| 1567 | mRemovedCount = aRhs.mRemovedCount; | |||
| 1568 | #ifdef DEBUG1 | |||
| 1569 | mMutationCount = aRhs.mMutationCount; | |||
| 1570 | mEntered = aRhs.mEntered; | |||
| 1571 | #endif | |||
| 1572 | aRhs.mTable = nullptr; | |||
| 1573 | aRhs.clearAndCompact(); | |||
| 1574 | } | |||
| 1575 | ||||
| 1576 | // HashTable is not copyable or assignable | |||
| 1577 | HashTable(const HashTable&) = delete; | |||
| 1578 | void operator=(const HashTable&) = delete; | |||
| 1579 | ||||
| 1580 | static const uint32_t CAP_BITS = 30; | |||
| 1581 | ||||
| 1582 | public: | |||
| 1583 | uint64_t mGen : 56; // entry storage generation number | |||
| 1584 | uint64_t mHashShift : 8; // multiplicative hash shift | |||
| 1585 | char* mTable; // entry storage | |||
| 1586 | uint32_t mEntryCount; // number of entries in mTable | |||
| 1587 | uint32_t mRemovedCount; // removed entry sentinels in mTable | |||
| 1588 | ||||
| 1589 | #ifdef DEBUG1 | |||
| 1590 | uint64_t mMutationCount; | |||
| 1591 | mutable bool mEntered; | |||
| 1592 | #endif | |||
| 1593 | ||||
| 1594 | // The default initial capacity is 32 (enough to hold 16 elements), but it | |||
| 1595 | // can be as low as 4. | |||
| 1596 | static const uint32_t sDefaultLen = 16; | |||
| 1597 | static const uint32_t sMinCapacity = 4; | |||
| 1598 | // See the comments in HashTableEntry about this value. | |||
| 1599 | static_assert(sMinCapacity >= 4, "too-small sMinCapacity breaks assumptions"); | |||
| 1600 | static const uint32_t sMaxInit = 1u << (CAP_BITS - 1); | |||
| 1601 | static const uint32_t sMaxCapacity = 1u << CAP_BITS; | |||
| 1602 | ||||
| 1603 | // Hash-table alpha is conceptually a fraction, but to avoid floating-point | |||
| 1604 | // math we implement it as a ratio of integers. | |||
| 1605 | static const uint8_t sAlphaDenominator = 4; | |||
| 1606 | static const uint8_t sMinAlphaNumerator = 1; // min alpha: 1/4 | |||
| 1607 | static const uint8_t sMaxAlphaNumerator = 3; // max alpha: 3/4 | |||
| 1608 | ||||
| 1609 | static const HashNumber sFreeKey = Entry::sFreeKey; | |||
| 1610 | static const HashNumber sRemovedKey = Entry::sRemovedKey; | |||
| 1611 | static const HashNumber sCollisionBit = Entry::sCollisionBit; | |||
| 1612 | ||||
| 1613 | static uint32_t bestCapacity(uint32_t aLen) { | |||
| 1614 | static_assert( | |||
| 1615 | (sMaxInit * sAlphaDenominator) / sAlphaDenominator == sMaxInit, | |||
| 1616 | "multiplication in numerator below could overflow"); | |||
| 1617 | static_assert( | |||
| 1618 | sMaxInit * sAlphaDenominator <= UINT32_MAX(4294967295U) - sMaxAlphaNumerator, | |||
| 1619 | "numerator calculation below could potentially overflow"); | |||
| 1620 | ||||
| 1621 | // Callers should ensure this is true. | |||
| 1622 | MOZ_ASSERT(aLen <= sMaxInit)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aLen <= sMaxInit)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aLen <= sMaxInit))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aLen <= sMaxInit" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1622); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aLen <= sMaxInit" ")"); do { *((volatile int*)__null) = 1622; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1623 | ||||
| 1624 | // Compute the smallest capacity allowing |aLen| elements to be | |||
| 1625 | // inserted without rehashing: ceil(aLen / max-alpha). (Ceiling | |||
| 1626 | // integral division: <http://stackoverflow.com/a/2745086>.) | |||
| 1627 | uint32_t capacity = (aLen * sAlphaDenominator + sMaxAlphaNumerator - 1) / | |||
| 1628 | sMaxAlphaNumerator; | |||
| 1629 | capacity = (capacity < sMinCapacity) ? sMinCapacity : RoundUpPow2(capacity); | |||
| 1630 | ||||
| 1631 | MOZ_ASSERT(capacity >= aLen)do { static_assert( mozilla::detail::AssertionConditionType< decltype(capacity >= aLen)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(capacity >= aLen))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("capacity >= aLen" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1631); AnnotateMozCrashReason("MOZ_ASSERT" "(" "capacity >= aLen" ")"); do { *((volatile int*)__null) = 1631; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1632 | MOZ_ASSERT(capacity <= sMaxCapacity)do { static_assert( mozilla::detail::AssertionConditionType< decltype(capacity <= sMaxCapacity)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(capacity <= sMaxCapacity) )), 0))) { do { } while (false); MOZ_ReportAssertionFailure("capacity <= sMaxCapacity" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1632); AnnotateMozCrashReason("MOZ_ASSERT" "(" "capacity <= sMaxCapacity" ")"); do { *((volatile int*)__null) = 1632; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1633 | ||||
| 1634 | return capacity; | |||
| 1635 | } | |||
| 1636 | ||||
| 1637 | static uint32_t hashShift(uint32_t aLen) { | |||
| 1638 | // Reject all lengths whose initial computed capacity would exceed | |||
| 1639 | // sMaxCapacity. Round that maximum aLen down to the nearest power of two | |||
| 1640 | // for speedier code. | |||
| 1641 | if (MOZ_UNLIKELY(aLen > sMaxInit)(__builtin_expect(!!(aLen > sMaxInit), 0))) { | |||
| 1642 | MOZ_CRASH("initial length is too large")do { do { } while (false); MOZ_ReportCrash("" "initial length is too large" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1642); AnnotateMozCrashReason("MOZ_CRASH(" "initial length is too large" ")"); do { *((volatile int*)__null) = 1642; __attribute__((nomerge )) ::abort(); } while (false); } while (false); | |||
| 1643 | } | |||
| 1644 | ||||
| 1645 | return kHashNumberBits - mozilla::CeilingLog2(bestCapacity(aLen)); | |||
| 1646 | } | |||
| 1647 | ||||
| 1648 | static bool isLiveHash(HashNumber aHash) { return Entry::isLiveHash(aHash); } | |||
| 1649 | ||||
| 1650 | static HashNumber prepareHash(HashNumber aInputHash) { | |||
| 1651 | HashNumber keyHash = ScrambleHashCode(aInputHash); | |||
| 1652 | ||||
| 1653 | // Avoid reserved hash codes. | |||
| 1654 | if (!isLiveHash(keyHash)) { | |||
| 1655 | keyHash -= (sRemovedKey + 1); | |||
| 1656 | } | |||
| 1657 | return keyHash & ~sCollisionBit; | |||
| 1658 | } | |||
| 1659 | ||||
| 1660 | enum FailureBehavior { DontReportFailure = false, ReportFailure = true }; | |||
| 1661 | ||||
| 1662 | // Fake a struct that we're going to alloc. See the comments in | |||
| 1663 | // HashTableEntry about how the table is laid out, and why it's safe. | |||
| 1664 | struct FakeSlot { | |||
| 1665 | unsigned char c[sizeof(HashNumber) + sizeof(typename Entry::NonConstT)]; | |||
| 1666 | }; | |||
| 1667 | ||||
| 1668 | static char* createTable(AllocPolicy& aAllocPolicy, uint32_t aCapacity, | |||
| 1669 | FailureBehavior aReportFailure = ReportFailure) { | |||
| 1670 | FakeSlot* fake = | |||
| 1671 | aReportFailure | |||
| 1672 | ? aAllocPolicy.template pod_malloc<FakeSlot>(aCapacity) | |||
| 1673 | : aAllocPolicy.template maybe_pod_malloc<FakeSlot>(aCapacity); | |||
| 1674 | ||||
| 1675 | MOZ_ASSERT((reinterpret_cast<uintptr_t>(fake) % Entry::kMinimumAlignment) ==do { static_assert( mozilla::detail::AssertionConditionType< decltype((reinterpret_cast<uintptr_t>(fake) % Entry::kMinimumAlignment ) == 0)>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!((reinterpret_cast<uintptr_t>(fake) % Entry::kMinimumAlignment ) == 0))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("(reinterpret_cast<uintptr_t>(fake) % Entry::kMinimumAlignment) == 0" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1676); AnnotateMozCrashReason("MOZ_ASSERT" "(" "(reinterpret_cast<uintptr_t>(fake) % Entry::kMinimumAlignment) == 0" ")"); do { *((volatile int*)__null) = 1676; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) | |||
| 1676 | 0)do { static_assert( mozilla::detail::AssertionConditionType< decltype((reinterpret_cast<uintptr_t>(fake) % Entry::kMinimumAlignment ) == 0)>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!((reinterpret_cast<uintptr_t>(fake) % Entry::kMinimumAlignment ) == 0))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("(reinterpret_cast<uintptr_t>(fake) % Entry::kMinimumAlignment) == 0" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1676); AnnotateMozCrashReason("MOZ_ASSERT" "(" "(reinterpret_cast<uintptr_t>(fake) % Entry::kMinimumAlignment) == 0" ")"); do { *((volatile int*)__null) = 1676; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1677 | ||||
| 1678 | char* table = reinterpret_cast<char*>(fake); | |||
| 1679 | if (table) { | |||
| 1680 | forEachSlot(table, aCapacity, [&](Slot& slot) { | |||
| 1681 | *slot.mKeyHash = sFreeKey; | |||
| 1682 | new (KnownNotNull, slot.toEntry()) Entry(); | |||
| 1683 | }); | |||
| 1684 | } | |||
| 1685 | return table; | |||
| 1686 | } | |||
| 1687 | ||||
| 1688 | static void destroyTable(AllocPolicy& aAllocPolicy, char* aOldTable, | |||
| 1689 | uint32_t aCapacity) { | |||
| 1690 | forEachSlot(aOldTable, aCapacity, [&](const Slot& slot) { | |||
| 1691 | if (slot.isLive()) { | |||
| 1692 | slot.toEntry()->destroyStoredT(); | |||
| 1693 | } | |||
| 1694 | }); | |||
| 1695 | freeTable(aAllocPolicy, aOldTable, aCapacity); | |||
| 1696 | } | |||
| 1697 | ||||
| 1698 | static void freeTable(AllocPolicy& aAllocPolicy, char* aOldTable, | |||
| 1699 | uint32_t aCapacity) { | |||
| 1700 | FakeSlot* fake = reinterpret_cast<FakeSlot*>(aOldTable); | |||
| 1701 | aAllocPolicy.free_(fake, aCapacity); | |||
| 1702 | } | |||
| 1703 | ||||
| 1704 | public: | |||
| 1705 | HashTable(AllocPolicy aAllocPolicy, uint32_t aLen) | |||
| 1706 | : AllocPolicy(std::move(aAllocPolicy)), | |||
| 1707 | mGen(0), | |||
| 1708 | mHashShift(hashShift(aLen)), | |||
| 1709 | mTable(nullptr), | |||
| 1710 | mEntryCount(0), | |||
| 1711 | mRemovedCount(0) | |||
| 1712 | #ifdef DEBUG1 | |||
| 1713 | , | |||
| 1714 | mMutationCount(0), | |||
| 1715 | mEntered(false) | |||
| 1716 | #endif | |||
| 1717 | { | |||
| 1718 | } | |||
| 1719 | ||||
| 1720 | explicit HashTable(AllocPolicy aAllocPolicy) | |||
| 1721 | : HashTable(aAllocPolicy, sDefaultLen) {} | |||
| 1722 | ||||
| 1723 | ~HashTable() { | |||
| 1724 | if (mTable) { | |||
| 1725 | destroyTable(*this, mTable, capacity()); | |||
| 1726 | } | |||
| 1727 | } | |||
| 1728 | ||||
| 1729 | private: | |||
| 1730 | HashNumber hash1(HashNumber aHash0) const { return aHash0 >> mHashShift; } | |||
| 1731 | ||||
| 1732 | struct DoubleHash { | |||
| 1733 | HashNumber mHash2; | |||
| 1734 | HashNumber mSizeMask; | |||
| 1735 | }; | |||
| 1736 | ||||
| 1737 | DoubleHash hash2(HashNumber aCurKeyHash) const { | |||
| 1738 | uint32_t sizeLog2 = kHashNumberBits - mHashShift; | |||
| 1739 | DoubleHash dh = {((aCurKeyHash << sizeLog2) >> mHashShift) | 1, | |||
| 1740 | (HashNumber(1) << sizeLog2) - 1}; | |||
| 1741 | return dh; | |||
| 1742 | } | |||
| 1743 | ||||
| 1744 | static HashNumber applyDoubleHash(HashNumber aHash1, | |||
| 1745 | const DoubleHash& aDoubleHash) { | |||
| 1746 | return WrappingSubtract(aHash1, aDoubleHash.mHash2) & aDoubleHash.mSizeMask; | |||
| 1747 | } | |||
| 1748 | ||||
| 1749 | static MOZ_ALWAYS_INLINEinline bool match(T& aEntry, const Lookup& aLookup) { | |||
| 1750 | return HashPolicy::match(HashPolicy::getKey(aEntry), aLookup); | |||
| 1751 | } | |||
| 1752 | ||||
| 1753 | enum LookupReason { ForNonAdd, ForAdd }; | |||
| 1754 | ||||
| 1755 | Slot slotForIndex(HashNumber aIndex) const { | |||
| 1756 | auto hashes = reinterpret_cast<HashNumber*>(mTable); | |||
| 1757 | auto entries = reinterpret_cast<Entry*>(&hashes[capacity()]); | |||
| 1758 | return Slot(&entries[aIndex], &hashes[aIndex]); | |||
| 1759 | } | |||
| 1760 | ||||
| 1761 | // Warning: in order for readonlyThreadsafeLookup() to be safe this | |||
| 1762 | // function must not modify the table in any way when Reason==ForNonAdd. | |||
| 1763 | template <LookupReason Reason> | |||
| 1764 | MOZ_ALWAYS_INLINEinline Slot lookup(const Lookup& aLookup, | |||
| 1765 | HashNumber aKeyHash) const { | |||
| 1766 | MOZ_ASSERT(isLiveHash(aKeyHash))do { static_assert( mozilla::detail::AssertionConditionType< decltype(isLiveHash(aKeyHash))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(isLiveHash(aKeyHash)))), 0)) ) { do { } while (false); MOZ_ReportAssertionFailure("isLiveHash(aKeyHash)" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1766); AnnotateMozCrashReason("MOZ_ASSERT" "(" "isLiveHash(aKeyHash)" ")"); do { *((volatile int*)__null) = 1766; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1767 | MOZ_ASSERT(!(aKeyHash & sCollisionBit))do { static_assert( mozilla::detail::AssertionConditionType< decltype(!(aKeyHash & sCollisionBit))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!(aKeyHash & sCollisionBit )))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("!(aKeyHash & sCollisionBit)", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1767); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!(aKeyHash & sCollisionBit)" ")"); do { *((volatile int*)__null) = 1767; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1768 | MOZ_ASSERT(mTable)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mTable)>::isValid, "invalid assertion condition") ; if ((__builtin_expect(!!(!(!!(mTable))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mTable", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1768); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mTable" ")" ); do { *((volatile int*)__null) = 1768; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1769 | ||||
| 1770 | // Compute the primary hash address. | |||
| 1771 | HashNumber h1 = hash1(aKeyHash); | |||
| 1772 | Slot slot = slotForIndex(h1); | |||
| 1773 | ||||
| 1774 | // Miss: return space for a new entry. | |||
| 1775 | if (slot.isFree()) { | |||
| 1776 | return slot; | |||
| 1777 | } | |||
| 1778 | ||||
| 1779 | // Hit: return entry. | |||
| 1780 | if (slot.matchHash(aKeyHash) && match(slot.get(), aLookup)) { | |||
| 1781 | return slot; | |||
| 1782 | } | |||
| 1783 | ||||
| 1784 | // Collision: double hash. | |||
| 1785 | DoubleHash dh = hash2(aKeyHash); | |||
| 1786 | ||||
| 1787 | // Save the first removed entry pointer so we can recycle later. | |||
| 1788 | Maybe<Slot> firstRemoved; | |||
| 1789 | ||||
| 1790 | while (true) { | |||
| 1791 | if (Reason == ForAdd && !firstRemoved) { | |||
| 1792 | if (MOZ_UNLIKELY(slot.isRemoved())(__builtin_expect(!!(slot.isRemoved()), 0))) { | |||
| 1793 | firstRemoved.emplace(slot); | |||
| 1794 | } else { | |||
| 1795 | slot.setCollision(); | |||
| 1796 | } | |||
| 1797 | } | |||
| 1798 | ||||
| 1799 | h1 = applyDoubleHash(h1, dh); | |||
| 1800 | ||||
| 1801 | slot = slotForIndex(h1); | |||
| 1802 | if (slot.isFree()) { | |||
| 1803 | return firstRemoved.refOr(slot); | |||
| 1804 | } | |||
| 1805 | ||||
| 1806 | if (slot.matchHash(aKeyHash) && match(slot.get(), aLookup)) { | |||
| 1807 | return slot; | |||
| 1808 | } | |||
| 1809 | } | |||
| 1810 | } | |||
| 1811 | ||||
| 1812 | // This is a copy of lookup() hardcoded to the assumptions: | |||
| 1813 | // 1. the lookup is for an add; | |||
| 1814 | // 2. the key, whose |keyHash| has been passed, is not in the table. | |||
| 1815 | Slot findNonLiveSlot(HashNumber aKeyHash) { | |||
| 1816 | MOZ_ASSERT(!(aKeyHash & sCollisionBit))do { static_assert( mozilla::detail::AssertionConditionType< decltype(!(aKeyHash & sCollisionBit))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!(aKeyHash & sCollisionBit )))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("!(aKeyHash & sCollisionBit)", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1816); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!(aKeyHash & sCollisionBit)" ")"); do { *((volatile int*)__null) = 1816; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1817 | MOZ_ASSERT(mTable)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mTable)>::isValid, "invalid assertion condition") ; if ((__builtin_expect(!!(!(!!(mTable))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mTable", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1817); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mTable" ")" ); do { *((volatile int*)__null) = 1817; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1818 | ||||
| 1819 | // We assume 'aKeyHash' has already been distributed. | |||
| 1820 | ||||
| 1821 | // Compute the primary hash address. | |||
| 1822 | HashNumber h1 = hash1(aKeyHash); | |||
| 1823 | Slot slot = slotForIndex(h1); | |||
| 1824 | ||||
| 1825 | // Miss: return space for a new entry. | |||
| 1826 | if (!slot.isLive()) { | |||
| 1827 | return slot; | |||
| 1828 | } | |||
| 1829 | ||||
| 1830 | // Collision: double hash. | |||
| 1831 | DoubleHash dh = hash2(aKeyHash); | |||
| 1832 | ||||
| 1833 | while (true) { | |||
| 1834 | slot.setCollision(); | |||
| 1835 | ||||
| 1836 | h1 = applyDoubleHash(h1, dh); | |||
| 1837 | ||||
| 1838 | slot = slotForIndex(h1); | |||
| 1839 | if (!slot.isLive()) { | |||
| 1840 | return slot; | |||
| 1841 | } | |||
| 1842 | } | |||
| 1843 | } | |||
| 1844 | ||||
| 1845 | enum RebuildStatus { NotOverloaded, Rehashed, RehashFailed }; | |||
| 1846 | ||||
| 1847 | RebuildStatus changeTableSize( | |||
| 1848 | uint32_t newCapacity, FailureBehavior aReportFailure = ReportFailure) { | |||
| 1849 | MOZ_ASSERT(IsPowerOfTwo(newCapacity))do { static_assert( mozilla::detail::AssertionConditionType< decltype(IsPowerOfTwo(newCapacity))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(IsPowerOfTwo(newCapacity)))) , 0))) { do { } while (false); MOZ_ReportAssertionFailure("IsPowerOfTwo(newCapacity)" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1849); AnnotateMozCrashReason("MOZ_ASSERT" "(" "IsPowerOfTwo(newCapacity)" ")"); do { *((volatile int*)__null) = 1849; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1850 | MOZ_ASSERT(!!mTable == !!capacity())do { static_assert( mozilla::detail::AssertionConditionType< decltype(!!mTable == !!capacity())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!!mTable == !!capacity()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!!mTable == !!capacity()" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1850); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!!mTable == !!capacity()" ")"); do { *((volatile int*)__null) = 1850; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1851 | ||||
| 1852 | // Look, but don't touch, until we succeed in getting new entry store. | |||
| 1853 | char* oldTable = mTable; | |||
| 1854 | uint32_t oldCapacity = capacity(); | |||
| 1855 | uint32_t newLog2 = mozilla::CeilingLog2(newCapacity); | |||
| 1856 | ||||
| 1857 | if (MOZ_UNLIKELY(newCapacity > sMaxCapacity)(__builtin_expect(!!(newCapacity > sMaxCapacity), 0))) { | |||
| 1858 | if (aReportFailure) { | |||
| 1859 | this->reportAllocOverflow(); | |||
| 1860 | } | |||
| 1861 | return RehashFailed; | |||
| 1862 | } | |||
| 1863 | ||||
| 1864 | char* newTable = createTable(*this, newCapacity, aReportFailure); | |||
| 1865 | if (!newTable) { | |||
| 1866 | return RehashFailed; | |||
| 1867 | } | |||
| 1868 | ||||
| 1869 | // We can't fail from here on, so update table parameters. | |||
| 1870 | mHashShift = kHashNumberBits - newLog2; | |||
| 1871 | mRemovedCount = 0; | |||
| 1872 | mGen++; | |||
| 1873 | mTable = newTable; | |||
| 1874 | ||||
| 1875 | // Copy only live entries, leaving removed ones behind. | |||
| 1876 | forEachSlot(oldTable, oldCapacity, [&](Slot& slot) { | |||
| 1877 | if (slot.isLive()) { | |||
| 1878 | HashNumber hn = slot.getKeyHash(); | |||
| 1879 | findNonLiveSlot(hn).setLive( | |||
| 1880 | hn, std::move(const_cast<typename Entry::NonConstT&>(slot.get()))); | |||
| 1881 | } | |||
| 1882 | ||||
| 1883 | slot.clear(); | |||
| 1884 | }); | |||
| 1885 | ||||
| 1886 | // All entries have been destroyed, no need to destroyTable. | |||
| 1887 | freeTable(*this, oldTable, oldCapacity); | |||
| 1888 | return Rehashed; | |||
| 1889 | } | |||
| 1890 | ||||
| 1891 | RebuildStatus rehashIfOverloaded( | |||
| 1892 | FailureBehavior aReportFailure = ReportFailure) { | |||
| 1893 | static_assert(sMaxCapacity <= UINT32_MAX(4294967295U) / sMaxAlphaNumerator, | |||
| 1894 | "multiplication below could overflow"); | |||
| 1895 | ||||
| 1896 | // Note: if capacity() is zero, this will always succeed, which is | |||
| 1897 | // what we want. | |||
| 1898 | bool overloaded = mEntryCount + mRemovedCount >= | |||
| 1899 | capacity() * sMaxAlphaNumerator / sAlphaDenominator; | |||
| 1900 | ||||
| 1901 | if (!overloaded) { | |||
| 1902 | return NotOverloaded; | |||
| 1903 | } | |||
| 1904 | ||||
| 1905 | // Succeed if a quarter or more of all entries are removed. Note that this | |||
| 1906 | // always succeeds if capacity() == 0 (i.e. entry storage has not been | |||
| 1907 | // allocated), which is what we want, because it means changeTableSize() | |||
| 1908 | // will allocate the requested capacity rather than doubling it. | |||
| 1909 | bool manyRemoved = mRemovedCount >= (capacity() >> 2); | |||
| 1910 | uint32_t newCapacity = manyRemoved ? rawCapacity() : rawCapacity() * 2; | |||
| 1911 | return changeTableSize(newCapacity, aReportFailure); | |||
| 1912 | } | |||
| 1913 | ||||
| 1914 | void infallibleRehashIfOverloaded() { | |||
| 1915 | if (rehashIfOverloaded(DontReportFailure) == RehashFailed) { | |||
| 1916 | rehashTableInPlace(); | |||
| 1917 | } | |||
| 1918 | } | |||
| 1919 | ||||
| 1920 | void remove(Slot& aSlot) { | |||
| 1921 | MOZ_ASSERT(mTable)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mTable)>::isValid, "invalid assertion condition") ; if ((__builtin_expect(!!(!(!!(mTable))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mTable", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1921); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mTable" ")" ); do { *((volatile int*)__null) = 1921; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1922 | ||||
| 1923 | if (aSlot.hasCollision()) { | |||
| 1924 | aSlot.removeLive(); | |||
| 1925 | mRemovedCount++; | |||
| 1926 | } else { | |||
| 1927 | aSlot.clearLive(); | |||
| 1928 | } | |||
| 1929 | mEntryCount--; | |||
| 1930 | #ifdef DEBUG1 | |||
| 1931 | mMutationCount++; | |||
| 1932 | #endif | |||
| 1933 | } | |||
| 1934 | ||||
| 1935 | void shrinkIfUnderloaded() { | |||
| 1936 | static_assert(sMaxCapacity <= UINT32_MAX(4294967295U) / sMinAlphaNumerator, | |||
| 1937 | "multiplication below could overflow"); | |||
| 1938 | bool underloaded = | |||
| 1939 | capacity() > sMinCapacity && | |||
| 1940 | mEntryCount <= capacity() * sMinAlphaNumerator / sAlphaDenominator; | |||
| 1941 | ||||
| 1942 | if (underloaded) { | |||
| 1943 | (void)changeTableSize(capacity() / 2, DontReportFailure); | |||
| 1944 | } | |||
| 1945 | } | |||
| 1946 | ||||
| 1947 | // This is identical to changeTableSize(currentSize), but without requiring | |||
| 1948 | // a second table. We do this by recycling the collision bits to tell us if | |||
| 1949 | // the element is already inserted or still waiting to be inserted. Since | |||
| 1950 | // already-inserted elements win any conflicts, we get the same table as we | |||
| 1951 | // would have gotten through random insertion order. | |||
| 1952 | void rehashTableInPlace() { | |||
| 1953 | mRemovedCount = 0; | |||
| 1954 | mGen++; | |||
| 1955 | forEachSlot(mTable, capacity(), [&](Slot& slot) { slot.unsetCollision(); }); | |||
| 1956 | for (uint32_t i = 0; i < capacity();) { | |||
| 1957 | Slot src = slotForIndex(i); | |||
| 1958 | ||||
| 1959 | if (!src.isLive() || src.hasCollision()) { | |||
| 1960 | ++i; | |||
| 1961 | continue; | |||
| 1962 | } | |||
| 1963 | ||||
| 1964 | HashNumber keyHash = src.getKeyHash(); | |||
| 1965 | HashNumber h1 = hash1(keyHash); | |||
| 1966 | DoubleHash dh = hash2(keyHash); | |||
| 1967 | Slot tgt = slotForIndex(h1); | |||
| 1968 | while (true) { | |||
| 1969 | if (!tgt.hasCollision()) { | |||
| 1970 | src.swap(tgt); | |||
| 1971 | tgt.setCollision(); | |||
| 1972 | break; | |||
| 1973 | } | |||
| 1974 | ||||
| 1975 | h1 = applyDoubleHash(h1, dh); | |||
| 1976 | tgt = slotForIndex(h1); | |||
| 1977 | } | |||
| 1978 | } | |||
| 1979 | ||||
| 1980 | // TODO: this algorithm leaves collision bits on *all* elements, even if | |||
| 1981 | // they are on no collision path. We have the option of setting the | |||
| 1982 | // collision bits correctly on a subsequent pass or skipping the rehash | |||
| 1983 | // unless we are totally filled with tombstones: benchmark to find out | |||
| 1984 | // which approach is best. | |||
| 1985 | } | |||
| 1986 | ||||
| 1987 | // Prefer to use putNewInfallible; this function does not check | |||
| 1988 | // invariants. | |||
| 1989 | template <typename... Args> | |||
| 1990 | void putNewInfallibleInternal(HashNumber aKeyHash, Args&&... aArgs) { | |||
| 1991 | MOZ_ASSERT(mTable)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mTable)>::isValid, "invalid assertion condition") ; if ((__builtin_expect(!!(!(!!(mTable))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mTable", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 1991); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mTable" ")" ); do { *((volatile int*)__null) = 1991; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 1992 | ||||
| 1993 | Slot slot = findNonLiveSlot(aKeyHash); | |||
| 1994 | ||||
| 1995 | if (slot.isRemoved()) { | |||
| 1996 | mRemovedCount--; | |||
| 1997 | aKeyHash |= sCollisionBit; | |||
| 1998 | } | |||
| 1999 | ||||
| 2000 | slot.setLive(aKeyHash, std::forward<Args>(aArgs)...); | |||
| 2001 | mEntryCount++; | |||
| 2002 | #ifdef DEBUG1 | |||
| 2003 | mMutationCount++; | |||
| 2004 | #endif | |||
| 2005 | } | |||
| 2006 | ||||
| 2007 | public: | |||
| 2008 | void clear() { | |||
| 2009 | forEachSlot(mTable, capacity(), [&](Slot& slot) { slot.clear(); }); | |||
| 2010 | mRemovedCount = 0; | |||
| 2011 | mEntryCount = 0; | |||
| 2012 | #ifdef DEBUG1 | |||
| 2013 | mMutationCount++; | |||
| 2014 | #endif | |||
| 2015 | } | |||
| 2016 | ||||
| 2017 | // Resize the table down to the smallest capacity that doesn't overload the | |||
| 2018 | // table. Since we call shrinkIfUnderloaded() on every remove, you only need | |||
| 2019 | // to call this after a bulk removal of items done without calling remove(). | |||
| 2020 | void compact() { | |||
| 2021 | if (empty()) { | |||
| 2022 | // Free the entry storage. | |||
| 2023 | freeTable(*this, mTable, capacity()); | |||
| 2024 | mGen++; | |||
| 2025 | mHashShift = hashShift(0); // gives minimum capacity on regrowth | |||
| 2026 | mTable = nullptr; | |||
| 2027 | mRemovedCount = 0; | |||
| 2028 | return; | |||
| 2029 | } | |||
| 2030 | ||||
| 2031 | uint32_t bestCapacity = this->bestCapacity(mEntryCount); | |||
| 2032 | MOZ_ASSERT(bestCapacity <= capacity())do { static_assert( mozilla::detail::AssertionConditionType< decltype(bestCapacity <= capacity())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(bestCapacity <= capacity( )))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("bestCapacity <= capacity()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 2032); AnnotateMozCrashReason("MOZ_ASSERT" "(" "bestCapacity <= capacity()" ")"); do { *((volatile int*)__null) = 2032; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2033 | ||||
| 2034 | if (bestCapacity < capacity()) { | |||
| 2035 | (void)changeTableSize(bestCapacity, DontReportFailure); | |||
| 2036 | } | |||
| 2037 | } | |||
| 2038 | ||||
| 2039 | void clearAndCompact() { | |||
| 2040 | clear(); | |||
| 2041 | compact(); | |||
| 2042 | } | |||
| 2043 | ||||
| 2044 | [[nodiscard]] bool reserve(uint32_t aLen) { | |||
| 2045 | if (aLen == 0) { | |||
| 2046 | return true; | |||
| 2047 | } | |||
| 2048 | ||||
| 2049 | if (MOZ_UNLIKELY(aLen > sMaxInit)(__builtin_expect(!!(aLen > sMaxInit), 0))) { | |||
| 2050 | this->reportAllocOverflow(); | |||
| 2051 | return false; | |||
| 2052 | } | |||
| 2053 | ||||
| 2054 | uint32_t bestCapacity = this->bestCapacity(aLen); | |||
| 2055 | if (bestCapacity <= capacity()) { | |||
| 2056 | return true; // Capacity is already sufficient. | |||
| 2057 | } | |||
| 2058 | ||||
| 2059 | RebuildStatus status = changeTableSize(bestCapacity, ReportFailure); | |||
| 2060 | MOZ_ASSERT(status != NotOverloaded)do { static_assert( mozilla::detail::AssertionConditionType< decltype(status != NotOverloaded)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(status != NotOverloaded))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("status != NotOverloaded" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 2060); AnnotateMozCrashReason("MOZ_ASSERT" "(" "status != NotOverloaded" ")"); do { *((volatile int*)__null) = 2060; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2061 | return status != RehashFailed; | |||
| 2062 | } | |||
| 2063 | ||||
| 2064 | Iterator iter() const { return Iterator(*this); } | |||
| 2065 | ||||
| 2066 | ModIterator modIter() { return ModIterator(*this); } | |||
| 2067 | ||||
| 2068 | Range all() const { return Range(*this); } | |||
| 2069 | ||||
| 2070 | bool empty() const { return mEntryCount == 0; } | |||
| 2071 | ||||
| 2072 | uint32_t count() const { return mEntryCount; } | |||
| 2073 | ||||
| 2074 | uint32_t rawCapacity() const { return 1u << (kHashNumberBits - mHashShift); } | |||
| 2075 | ||||
| 2076 | uint32_t capacity() const { return mTable ? rawCapacity() : 0; } | |||
| 2077 | ||||
| 2078 | Generation generation() const { return Generation(mGen); } | |||
| 2079 | ||||
| 2080 | size_t shallowSizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const { | |||
| 2081 | return aMallocSizeOf(mTable); | |||
| 2082 | } | |||
| 2083 | ||||
| 2084 | size_t shallowSizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const { | |||
| 2085 | return aMallocSizeOf(this) + shallowSizeOfExcludingThis(aMallocSizeOf); | |||
| 2086 | } | |||
| 2087 | ||||
| 2088 | MOZ_ALWAYS_INLINEinline Ptr readonlyThreadsafeLookup(const Lookup& aLookup) const { | |||
| 2089 | if (empty()) { | |||
| 2090 | return Ptr(); | |||
| 2091 | } | |||
| 2092 | ||||
| 2093 | HashNumber inputHash; | |||
| 2094 | if (!MaybeGetHash<HashPolicy>(aLookup, &inputHash)) { | |||
| 2095 | return Ptr(); | |||
| 2096 | } | |||
| 2097 | ||||
| 2098 | HashNumber keyHash = prepareHash(inputHash); | |||
| 2099 | return Ptr(lookup<ForNonAdd>(aLookup, keyHash), *this); | |||
| 2100 | } | |||
| 2101 | ||||
| 2102 | MOZ_ALWAYS_INLINEinline Ptr lookup(const Lookup& aLookup) const { | |||
| 2103 | ReentrancyGuard g(*this); | |||
| 2104 | return readonlyThreadsafeLookup(aLookup); | |||
| 2105 | } | |||
| 2106 | ||||
| 2107 | MOZ_ALWAYS_INLINEinline AddPtr lookupForAdd(const Lookup& aLookup) { | |||
| 2108 | ReentrancyGuard g(*this); | |||
| 2109 | ||||
| 2110 | HashNumber inputHash; | |||
| 2111 | if (!EnsureHash<HashPolicy>(aLookup, &inputHash)) { | |||
| 2112 | return AddPtr(); | |||
| 2113 | } | |||
| 2114 | ||||
| 2115 | HashNumber keyHash = prepareHash(inputHash); | |||
| 2116 | ||||
| 2117 | if (!mTable) { | |||
| 2118 | return AddPtr(*this, keyHash); | |||
| 2119 | } | |||
| 2120 | ||||
| 2121 | // Directly call the constructor in the return statement to avoid | |||
| 2122 | // excess copying when building with Visual Studio 2017. | |||
| 2123 | // See bug 1385181. | |||
| 2124 | return AddPtr(lookup<ForAdd>(aLookup, keyHash), *this, keyHash); | |||
| 2125 | } | |||
| 2126 | ||||
| 2127 | template <typename... Args> | |||
| 2128 | [[nodiscard]] bool add(AddPtr& aPtr, Args&&... aArgs) { | |||
| 2129 | ReentrancyGuard g(*this); | |||
| 2130 | MOZ_ASSERT_IF(aPtr.isValid(), mTable)do { if (aPtr.isValid()) { do { static_assert( mozilla::detail ::AssertionConditionType<decltype(mTable)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mTable))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mTable", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 2130); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mTable" ")" ); do { *((volatile int*)__null) = 2130; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); } } while ( false); | |||
| 2131 | MOZ_ASSERT_IF(aPtr.isValid(), aPtr.mTable == this)do { if (aPtr.isValid()) { do { static_assert( mozilla::detail ::AssertionConditionType<decltype(aPtr.mTable == this)> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(aPtr.mTable == this))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aPtr.mTable == this", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 2131); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aPtr.mTable == this" ")"); do { *((volatile int*)__null) = 2131; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); } } while ( false); | |||
| 2132 | MOZ_ASSERT(!aPtr.found())do { static_assert( mozilla::detail::AssertionConditionType< decltype(!aPtr.found())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!aPtr.found()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!aPtr.found()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 2132); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!aPtr.found()" ")"); do { *((volatile int*)__null) = 2132; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2133 | MOZ_ASSERT(!(aPtr.mKeyHash & sCollisionBit))do { static_assert( mozilla::detail::AssertionConditionType< decltype(!(aPtr.mKeyHash & sCollisionBit))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!(aPtr.mKeyHash & sCollisionBit )))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("!(aPtr.mKeyHash & sCollisionBit)", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 2133); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!(aPtr.mKeyHash & sCollisionBit)" ")"); do { *((volatile int*)__null) = 2133; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2134 | ||||
| 2135 | // Check for error from ensureHash() here. | |||
| 2136 | if (!aPtr.isLive()) { | |||
| 2137 | return false; | |||
| 2138 | } | |||
| 2139 | ||||
| 2140 | MOZ_ASSERT(aPtr.mGeneration == generation())do { static_assert( mozilla::detail::AssertionConditionType< decltype(aPtr.mGeneration == generation())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aPtr.mGeneration == generation ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("aPtr.mGeneration == generation()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 2140); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aPtr.mGeneration == generation()" ")"); do { *((volatile int*)__null) = 2140; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2141 | #ifdef DEBUG1 | |||
| 2142 | MOZ_ASSERT(aPtr.mMutationCount == mMutationCount)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aPtr.mMutationCount == mMutationCount)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(! !(aPtr.mMutationCount == mMutationCount))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aPtr.mMutationCount == mMutationCount" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 2142); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aPtr.mMutationCount == mMutationCount" ")"); do { *((volatile int*)__null) = 2142; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2143 | #endif | |||
| 2144 | ||||
| 2145 | if (!aPtr.isValid()) { | |||
| 2146 | MOZ_ASSERT(!mTable && mEntryCount == 0)do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mTable && mEntryCount == 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mTable && mEntryCount == 0))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("!mTable && mEntryCount == 0", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 2146); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mTable && mEntryCount == 0" ")"); do { *((volatile int*)__null) = 2146; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2147 | uint32_t newCapacity = rawCapacity(); | |||
| 2148 | RebuildStatus status = changeTableSize(newCapacity, ReportFailure); | |||
| 2149 | MOZ_ASSERT(status != NotOverloaded)do { static_assert( mozilla::detail::AssertionConditionType< decltype(status != NotOverloaded)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(status != NotOverloaded))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("status != NotOverloaded" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 2149); AnnotateMozCrashReason("MOZ_ASSERT" "(" "status != NotOverloaded" ")"); do { *((volatile int*)__null) = 2149; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2150 | if (status == RehashFailed) { | |||
| 2151 | return false; | |||
| 2152 | } | |||
| 2153 | aPtr.mSlot = findNonLiveSlot(aPtr.mKeyHash); | |||
| 2154 | ||||
| 2155 | } else if (aPtr.mSlot.isRemoved()) { | |||
| 2156 | // Changing an entry from removed to live does not affect whether we are | |||
| 2157 | // overloaded and can be handled separately. | |||
| 2158 | if (!this->checkSimulatedOOM()) { | |||
| 2159 | return false; | |||
| 2160 | } | |||
| 2161 | mRemovedCount--; | |||
| 2162 | aPtr.mKeyHash |= sCollisionBit; | |||
| 2163 | ||||
| 2164 | } else { | |||
| 2165 | // Preserve the validity of |aPtr.mSlot|. | |||
| 2166 | RebuildStatus status = rehashIfOverloaded(); | |||
| 2167 | if (status == RehashFailed) { | |||
| 2168 | return false; | |||
| 2169 | } | |||
| 2170 | if (status == NotOverloaded && !this->checkSimulatedOOM()) { | |||
| 2171 | return false; | |||
| 2172 | } | |||
| 2173 | if (status == Rehashed) { | |||
| 2174 | aPtr.mSlot = findNonLiveSlot(aPtr.mKeyHash); | |||
| 2175 | } | |||
| 2176 | } | |||
| 2177 | ||||
| 2178 | aPtr.mSlot.setLive(aPtr.mKeyHash, std::forward<Args>(aArgs)...); | |||
| 2179 | mEntryCount++; | |||
| 2180 | #ifdef DEBUG1 | |||
| 2181 | mMutationCount++; | |||
| 2182 | aPtr.mGeneration = generation(); | |||
| 2183 | aPtr.mMutationCount = mMutationCount; | |||
| 2184 | #endif | |||
| 2185 | return true; | |||
| 2186 | } | |||
| 2187 | ||||
| 2188 | // Note: |aLookup| may reference pieces of arguments in |aArgs|, so this | |||
| 2189 | // function must take care not to use |aLookup| after moving |aArgs|. | |||
| 2190 | template <typename... Args> | |||
| 2191 | void putNewInfallible(const Lookup& aLookup, Args&&... aArgs) { | |||
| 2192 | MOZ_ASSERT(!lookup(aLookup).found())do { static_assert( mozilla::detail::AssertionConditionType< decltype(!lookup(aLookup).found())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!lookup(aLookup).found()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!lookup(aLookup).found()" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 2192); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!lookup(aLookup).found()" ")"); do { *((volatile int*)__null) = 2192; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2193 | ReentrancyGuard g(*this); | |||
| 2194 | HashNumber keyHash = prepareHash(HashPolicy::hash(aLookup)); | |||
| 2195 | putNewInfallibleInternal(keyHash, std::forward<Args>(aArgs)...); | |||
| 2196 | } | |||
| 2197 | ||||
| 2198 | // Note: |aLookup| may alias arguments in |aArgs|, so this function must take | |||
| 2199 | // care not to use |aLookup| after moving |aArgs|. | |||
| 2200 | template <typename... Args> | |||
| 2201 | [[nodiscard]] bool putNew(const Lookup& aLookup, Args&&... aArgs) { | |||
| 2202 | MOZ_ASSERT(!lookup(aLookup).found())do { static_assert( mozilla::detail::AssertionConditionType< decltype(!lookup(aLookup).found())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!lookup(aLookup).found()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!lookup(aLookup).found()" , "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 2202); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!lookup(aLookup).found()" ")"); do { *((volatile int*)__null) = 2202; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2203 | ReentrancyGuard g(*this); | |||
| 2204 | if (!this->checkSimulatedOOM()) { | |||
| 2205 | return false; | |||
| 2206 | } | |||
| 2207 | HashNumber inputHash; | |||
| 2208 | if (!EnsureHash<HashPolicy>(aLookup, &inputHash)) { | |||
| 2209 | return false; | |||
| 2210 | } | |||
| 2211 | HashNumber keyHash = prepareHash(inputHash); | |||
| 2212 | if (rehashIfOverloaded() == RehashFailed) { | |||
| 2213 | return false; | |||
| 2214 | } | |||
| 2215 | putNewInfallibleInternal(keyHash, std::forward<Args>(aArgs)...); | |||
| 2216 | return true; | |||
| 2217 | } | |||
| 2218 | ||||
| 2219 | // Note: |aLookup| may be a reference pieces of arguments in |aArgs|, so this | |||
| 2220 | // function must take care not to use |aLookup| after moving |aArgs|. | |||
| 2221 | template <typename... Args> | |||
| 2222 | [[nodiscard]] bool relookupOrAdd(AddPtr& aPtr, const Lookup& aLookup, | |||
| 2223 | Args&&... aArgs) { | |||
| 2224 | // Check for error from ensureHash() here. | |||
| 2225 | if (!aPtr.isLive()) { | |||
| 2226 | return false; | |||
| 2227 | } | |||
| 2228 | #ifdef DEBUG1 | |||
| 2229 | aPtr.mGeneration = generation(); | |||
| 2230 | aPtr.mMutationCount = mMutationCount; | |||
| 2231 | #endif | |||
| 2232 | if (mTable) { | |||
| 2233 | ReentrancyGuard g(*this); | |||
| 2234 | // Check that aLookup has not been destroyed. | |||
| 2235 | MOZ_ASSERT(prepareHash(HashPolicy::hash(aLookup)) == aPtr.mKeyHash)do { static_assert( mozilla::detail::AssertionConditionType< decltype(prepareHash(HashPolicy::hash(aLookup)) == aPtr.mKeyHash )>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(prepareHash(HashPolicy::hash(aLookup)) == aPtr.mKeyHash ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "prepareHash(HashPolicy::hash(aLookup)) == aPtr.mKeyHash", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 2235); AnnotateMozCrashReason("MOZ_ASSERT" "(" "prepareHash(HashPolicy::hash(aLookup)) == aPtr.mKeyHash" ")"); do { *((volatile int*)__null) = 2235; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2236 | aPtr.mSlot = lookup<ForAdd>(aLookup, aPtr.mKeyHash); | |||
| 2237 | if (aPtr.found()) { | |||
| 2238 | return true; | |||
| 2239 | } | |||
| 2240 | } else { | |||
| 2241 | // Clear aPtr so it's invalid; add() will allocate storage and redo the | |||
| 2242 | // lookup. | |||
| 2243 | aPtr.mSlot = Slot(nullptr, nullptr); | |||
| 2244 | } | |||
| 2245 | return add(aPtr, std::forward<Args>(aArgs)...); | |||
| 2246 | } | |||
| 2247 | ||||
| 2248 | void remove(Ptr aPtr) { | |||
| 2249 | MOZ_ASSERT(mTable)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mTable)>::isValid, "invalid assertion condition") ; if ((__builtin_expect(!!(!(!!(mTable))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mTable", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 2249); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mTable" ")" ); do { *((volatile int*)__null) = 2249; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2250 | ReentrancyGuard g(*this); | |||
| 2251 | MOZ_ASSERT(aPtr.found())do { static_assert( mozilla::detail::AssertionConditionType< decltype(aPtr.found())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aPtr.found()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aPtr.found()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 2251); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aPtr.found()" ")"); do { *((volatile int*)__null) = 2251; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2252 | MOZ_ASSERT(aPtr.mGeneration == generation())do { static_assert( mozilla::detail::AssertionConditionType< decltype(aPtr.mGeneration == generation())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aPtr.mGeneration == generation ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("aPtr.mGeneration == generation()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 2252); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aPtr.mGeneration == generation()" ")"); do { *((volatile int*)__null) = 2252; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2253 | remove(aPtr.mSlot); | |||
| 2254 | shrinkIfUnderloaded(); | |||
| 2255 | } | |||
| 2256 | ||||
| 2257 | void rekeyWithoutRehash(Ptr aPtr, const Lookup& aLookup, const Key& aKey) { | |||
| 2258 | MOZ_ASSERT(mTable)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mTable)>::isValid, "invalid assertion condition") ; if ((__builtin_expect(!!(!(!!(mTable))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mTable", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 2258); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mTable" ")" ); do { *((volatile int*)__null) = 2258; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2259 | ReentrancyGuard g(*this); | |||
| 2260 | MOZ_ASSERT(aPtr.found())do { static_assert( mozilla::detail::AssertionConditionType< decltype(aPtr.found())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aPtr.found()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aPtr.found()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 2260); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aPtr.found()" ")"); do { *((volatile int*)__null) = 2260; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2261 | MOZ_ASSERT(aPtr.mGeneration == generation())do { static_assert( mozilla::detail::AssertionConditionType< decltype(aPtr.mGeneration == generation())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aPtr.mGeneration == generation ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("aPtr.mGeneration == generation()", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/HashTable.h" , 2261); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aPtr.mGeneration == generation()" ")"); do { *((volatile int*)__null) = 2261; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); | |||
| 2262 | typename HashTableEntry<T>::NonConstT t(std::move(*aPtr)); | |||
| 2263 | HashPolicy::setKey(t, const_cast<Key&>(aKey)); | |||
| 2264 | remove(aPtr.mSlot); | |||
| 2265 | HashNumber keyHash = prepareHash(HashPolicy::hash(aLookup)); | |||
| 2266 | putNewInfallibleInternal(keyHash, std::move(t)); | |||
| 2267 | } | |||
| 2268 | ||||
| 2269 | void rekeyAndMaybeRehash(Ptr aPtr, const Lookup& aLookup, const Key& aKey) { | |||
| 2270 | rekeyWithoutRehash(aPtr, aLookup, aKey); | |||
| 2271 | infallibleRehashIfOverloaded(); | |||
| 2272 | } | |||
| 2273 | }; | |||
| 2274 | ||||
| 2275 | } // namespace detail | |||
| 2276 | } // namespace mozilla | |||
| 2277 | ||||
| 2278 | #endif /* mozilla_HashTable_h */ |