| File: | var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp |
| Warning: | line 2098, column 7 Value stored to 'rv' is never read |
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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 | /* container for a document and its presentation */ |
| 8 | |
| 9 | #include "gfxContext.h" |
| 10 | #include "mozilla/PresShell.h" |
| 11 | #include "mozilla/RestyleManager.h" |
| 12 | #include "mozilla/ServoStyleSet.h" |
| 13 | #include "mozilla/StaticPrefs_print.h" |
| 14 | #include "mozilla/Telemetry.h" |
| 15 | #include "nsThreadUtils.h" |
| 16 | #include "nscore.h" |
| 17 | #include "nsCOMPtr.h" |
| 18 | #include "nsCRT.h" |
| 19 | #include "nsFrameSelection.h" |
| 20 | #include "nsString.h" |
| 21 | #include "nsReadableUtils.h" |
| 22 | #include "nsIContent.h" |
| 23 | #include "nsIDocumentViewer.h" |
| 24 | #include "nsIDocumentViewerPrint.h" |
| 25 | #include "nsIScreen.h" |
| 26 | #include "mozilla/dom/AutoSuppressEventHandlingAndSuspend.h" |
| 27 | #include "mozilla/dom/BrowsingContext.h" |
| 28 | #include "mozilla/dom/BeforeUnloadEvent.h" |
| 29 | #include "mozilla/dom/PopupBlocker.h" |
| 30 | #include "mozilla/dom/Document.h" |
| 31 | #include "mozilla/dom/DocumentInlines.h" |
| 32 | #include "mozilla/dom/DocGroup.h" |
| 33 | #include "mozilla/dom/FragmentDirective.h" |
| 34 | #include "mozilla/widget/Screen.h" |
| 35 | #include "nsPresContext.h" |
| 36 | #include "nsIFrame.h" |
| 37 | #include "nsIWritablePropertyBag2.h" |
| 38 | #include "nsSubDocumentFrame.h" |
| 39 | #include "nsGenericHTMLElement.h" |
| 40 | #include "nsStubMutationObserver.h" |
| 41 | |
| 42 | #include "nsISelectionListener.h" |
| 43 | #include "mozilla/dom/Selection.h" |
| 44 | #include "nsContentUtils.h" |
| 45 | #ifdef ACCESSIBILITY1 |
| 46 | # include "mozilla/a11y/DocAccessible.h" |
| 47 | #endif |
| 48 | #include "mozilla/BasicEvents.h" |
| 49 | #include "mozilla/Encoding.h" |
| 50 | #include "mozilla/ErrorResult.h" |
| 51 | #include "mozilla/Preferences.h" |
| 52 | #include "mozilla/ScrollContainerFrame.h" |
| 53 | #include "mozilla/SpinEventLoopUntil.h" |
| 54 | #include "mozilla/WeakPtr.h" |
| 55 | #include "mozilla/StaticPrefs_dom.h" |
| 56 | #include "mozilla/StaticPrefs_javascript.h" |
| 57 | #include "mozilla/StaticPrefs_fission.h" |
| 58 | #include "mozilla/StaticPrefs_print.h" |
| 59 | #include "mozilla/StyleSheet.h" |
| 60 | #include "mozilla/StyleSheetInlines.h" |
| 61 | #include "mozilla/Try.h" |
| 62 | |
| 63 | #include "nsViewManager.h" |
| 64 | #include "nsView.h" |
| 65 | |
| 66 | #include "nsPageSequenceFrame.h" |
| 67 | #include "nsNetUtil.h" |
| 68 | #include "nsIDocumentViewerEdit.h" |
| 69 | #include "mozilla/css/Loader.h" |
| 70 | #include "nsIInterfaceRequestor.h" |
| 71 | #include "nsIInterfaceRequestorUtils.h" |
| 72 | #include "nsDocShell.h" |
| 73 | #include "nsIBaseWindow.h" |
| 74 | #include "nsILayoutHistoryState.h" |
| 75 | #include "nsCharsetSource.h" |
| 76 | #include "mozilla/ReflowInput.h" |
| 77 | #include "nsIImageLoadingContent.h" |
| 78 | #include "nsCopySupport.h" |
| 79 | #include "nsXULPopupManager.h" |
| 80 | |
| 81 | #include "nsIClipboardHelper.h" |
| 82 | |
| 83 | #include "nsPIDOMWindow.h" |
| 84 | #include "nsGlobalWindowInner.h" |
| 85 | #include "nsGlobalWindowOuter.h" |
| 86 | #include "nsDOMNavigationTiming.h" |
| 87 | #include "nsPIWindowRoot.h" |
| 88 | #include "nsJSEnvironment.h" |
| 89 | #include "nsFocusManager.h" |
| 90 | |
| 91 | #include "nsStyleSheetService.h" |
| 92 | #include "nsILoadContext.h" |
| 93 | #include "mozilla/ThrottledEventQueue.h" |
| 94 | #include "nsIPromptCollection.h" |
| 95 | #include "nsIPromptService.h" |
| 96 | #include "imgIContainer.h" // image animation mode constants |
| 97 | #include "nsIXULRuntime.h" |
| 98 | #include "nsSandboxFlags.h" |
| 99 | |
| 100 | //-------------------------- |
| 101 | // Printing Include |
| 102 | //--------------------------- |
| 103 | #ifdef NS_PRINTING1 |
| 104 | |
| 105 | # include "nsIWebBrowserPrint.h" |
| 106 | |
| 107 | # include "nsPrintJob.h" |
| 108 | # include "nsDeviceContextSpecProxy.h" |
| 109 | |
| 110 | // Print Options |
| 111 | # include "nsIPrintSettings.h" |
| 112 | # include "nsIPrintSettingsService.h" |
| 113 | # include "nsISimpleEnumerator.h" |
| 114 | |
| 115 | #endif // NS_PRINTING |
| 116 | |
| 117 | // focus |
| 118 | #include "nsIDOMEventListener.h" |
| 119 | #include "nsISelectionController.h" |
| 120 | |
| 121 | #include "mozilla/EventDispatcher.h" |
| 122 | #include "nsISHEntry.h" |
| 123 | #include "nsISHistory.h" |
| 124 | #include "nsIWebNavigation.h" |
| 125 | #include "mozilla/dom/XMLHttpRequestMainThread.h" |
| 126 | |
| 127 | // paint forcing |
| 128 | #include <stdio.h> |
| 129 | #include "mozilla/BasePrincipal.h" |
| 130 | #include "mozilla/dom/Element.h" |
| 131 | #include "mozilla/dom/Event.h" |
| 132 | #include "mozilla/Telemetry.h" |
| 133 | #include "mozilla/dom/ScriptLoader.h" |
| 134 | #include "mozilla/dom/WindowGlobalChild.h" |
| 135 | |
| 136 | namespace mozilla { |
| 137 | namespace dom { |
| 138 | class PrintPreviewResultInfo; |
| 139 | } // namespace dom |
| 140 | } // namespace mozilla |
| 141 | |
| 142 | using namespace mozilla; |
| 143 | using namespace mozilla::dom; |
| 144 | |
| 145 | using mozilla::layout::RemotePrintJobChild; |
| 146 | using PrintPreviewResolver = |
| 147 | std::function<void(const mozilla::dom::PrintPreviewResultInfo&)>; |
| 148 | |
| 149 | //----------------------------------------------------- |
| 150 | // LOGGING |
| 151 | #include "LayoutLogging.h" |
| 152 | #include "mozilla/Logging.h" |
| 153 | |
| 154 | extern mozilla::LazyLogModule gPageCacheLog; |
| 155 | |
| 156 | #ifdef NS_PRINTING1 |
| 157 | mozilla::LazyLogModule gPrintingLog("printing"); |
| 158 | |
| 159 | # define PR_PL(_p1)do { const ::mozilla::LogModule* moz_real_module = gPrintingLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , mozilla::LogLevel::Debug)), 0))) { mozilla::detail::log_print (moz_real_module, mozilla::LogLevel::Debug, MOZ_LOG_EXPAND_ARGS _p1); } } while (0); MOZ_LOG(gPrintingLog, mozilla::LogLevel::Debug, _p1)do { const ::mozilla::LogModule* moz_real_module = gPrintingLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , mozilla::LogLevel::Debug)), 0))) { mozilla::detail::log_print (moz_real_module, mozilla::LogLevel::Debug, MOZ_LOG_EXPAND_ARGS _p1); } } while (0); |
| 160 | #endif // NS_PRINTING |
| 161 | |
| 162 | #define PRT_YESNO(_p)((_p) ? "YES" : "NO") ((_p) ? "YES" : "NO") |
| 163 | //----------------------------------------------------- |
| 164 | |
| 165 | class nsDocumentViewer; |
| 166 | |
| 167 | // a small delegate class used to avoid circular references |
| 168 | |
| 169 | class nsDocViewerSelectionListener final : public nsISelectionListener { |
| 170 | public: |
| 171 | // nsISupports interface... |
| 172 | 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: |
| 173 | |
| 174 | // nsISelectionListerner interface |
| 175 | NS_DECL_NSISELECTIONLISTENERvirtual nsresult NotifySelectionChanged(mozilla::dom::Document *doc, mozilla::dom::Selection *sel, int16_t reason, int32_t amount ) override; |
| 176 | |
| 177 | explicit nsDocViewerSelectionListener(nsDocumentViewer* aDocViewer) |
| 178 | : mDocViewer(aDocViewer), mSelectionWasCollapsed(true) {} |
| 179 | |
| 180 | void Disconnect() { mDocViewer = nullptr; } |
| 181 | |
| 182 | protected: |
| 183 | virtual ~nsDocViewerSelectionListener() = default; |
| 184 | |
| 185 | nsDocumentViewer* mDocViewer; |
| 186 | bool mSelectionWasCollapsed; |
| 187 | }; |
| 188 | |
| 189 | /** editor Implementation of the FocusListener interface */ |
| 190 | class nsDocViewerFocusListener final : public nsIDOMEventListener { |
| 191 | public: |
| 192 | explicit nsDocViewerFocusListener(nsDocumentViewer* aDocViewer) |
| 193 | : mDocViewer(aDocViewer) {} |
| 194 | |
| 195 | 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: |
| 196 | NS_DECL_NSIDOMEVENTLISTENERvirtual nsresult HandleEvent(mozilla::dom::Event *event) override ; |
| 197 | |
| 198 | void Disconnect() { mDocViewer = nullptr; } |
| 199 | |
| 200 | protected: |
| 201 | virtual ~nsDocViewerFocusListener() = default; |
| 202 | |
| 203 | nsDocumentViewer* mDocViewer; |
| 204 | }; |
| 205 | |
| 206 | namespace viewer_detail { |
| 207 | |
| 208 | /** |
| 209 | * Mutation observer for use until we hand ourselves over to our SHEntry. |
| 210 | */ |
| 211 | class BFCachePreventionObserver final : public nsStubMutationObserver { |
| 212 | public: |
| 213 | explicit BFCachePreventionObserver(Document* aDocument) |
| 214 | : mDocument(aDocument) {} |
| 215 | |
| 216 | 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: |
| 217 | |
| 218 | NS_DECL_NSIMUTATIONOBSERVER_CHARACTERDATACHANGEDvirtual void CharacterDataChanged( nsIContent* aContent, const CharacterDataChangeInfo& aInfo) override; |
| 219 | NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGEDvirtual void AttributeChanged(mozilla::dom::Element* aElement , int32_t aNameSpaceID, nsAtom* aAttribute, int32_t aModType, const nsAttrValue* aOldValue) override; |
| 220 | NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDEDvirtual void ContentAppended(nsIContent* aFirstNewContent) override ; |
| 221 | NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTEDvirtual void ContentInserted(nsIContent* aChild) override; |
| 222 | NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVEDvirtual void ContentRemoved(nsIContent* aChild, nsIContent* aPreviousSibling ) override; |
| 223 | NS_DECL_NSIMUTATIONOBSERVER_NODEWILLBEDESTROYEDvirtual void NodeWillBeDestroyed(nsINode* aNode) override; |
| 224 | |
| 225 | // Stop observing the document. |
| 226 | void Disconnect(); |
| 227 | |
| 228 | private: |
| 229 | ~BFCachePreventionObserver() = default; |
| 230 | |
| 231 | // Helper for the work that needs to happen when mutations happen. |
| 232 | void MutationHappened(); |
| 233 | |
| 234 | Document* mDocument; // Weak; we get notified if it dies |
| 235 | }; |
| 236 | |
| 237 | NS_IMPL_ISUPPORTS(BFCachePreventionObserver, nsIMutationObserver)MozExternalRefCountType BFCachePreventionObserver::AddRef(void ) { static_assert(!std::is_destructible_v<BFCachePreventionObserver >, "Reference-counted class " "BFCachePreventionObserver" " 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/layout/base/nsDocumentViewer.cpp" , 237); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { *((volatile int*)__null) = 237; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("BFCachePreventionObserver" != nullptr)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!("BFCachePreventionObserver" != nullptr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("\"BFCachePreventionObserver\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 237); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"BFCachePreventionObserver\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 237; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("BFCachePreventionObserver" " not thread-safe" ); nsrefcnt count = ++mRefCnt; NS_LogAddRef((this), (count), ( "BFCachePreventionObserver"), (uint32_t)(sizeof(*this))); return count; } MozExternalRefCountType BFCachePreventionObserver:: 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/layout/base/nsDocumentViewer.cpp" , 237); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { *((volatile int*)__null) = 237 ; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("BFCachePreventionObserver" != nullptr)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!("BFCachePreventionObserver" != nullptr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("\"BFCachePreventionObserver\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 237); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"BFCachePreventionObserver\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 237; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("BFCachePreventionObserver" " not thread-safe" ); const char* const nametmp = "BFCachePreventionObserver"; nsrefcnt count = --mRefCnt; NS_LogRelease((this), (count), (nametmp)) ; if (count == 0) { mRefCnt = 1; delete (this); return 0; } return count; } nsresult BFCachePreventionObserver::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/layout/base/nsDocumentViewer.cpp" , 237); 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<BFCachePreventionObserver, nsIMutationObserver >, int32_t( reinterpret_cast<char*>(static_cast<nsIMutationObserver *>((BFCachePreventionObserver*)0x1000)) - reinterpret_cast <char*>((BFCachePreventionObserver*)0x1000))}, {&mozilla ::detail::kImplementedIID<BFCachePreventionObserver, nsISupports >, int32_t(reinterpret_cast<char*>(static_cast<nsISupports *>( static_cast<nsIMutationObserver*>((BFCachePreventionObserver *)0x1000))) - reinterpret_cast<char*>((BFCachePreventionObserver *)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; } |
| 238 | |
| 239 | void BFCachePreventionObserver::CharacterDataChanged( |
| 240 | nsIContent* aContent, const CharacterDataChangeInfo&) { |
| 241 | if (aContent->IsInNativeAnonymousSubtree()) { |
| 242 | return; |
| 243 | } |
| 244 | MutationHappened(); |
| 245 | } |
| 246 | |
| 247 | void BFCachePreventionObserver::AttributeChanged(Element* aElement, |
| 248 | int32_t aNameSpaceID, |
| 249 | nsAtom* aAttribute, |
| 250 | int32_t aModType, |
| 251 | const nsAttrValue* aOldValue) { |
| 252 | if (aElement->IsInNativeAnonymousSubtree()) { |
| 253 | return; |
| 254 | } |
| 255 | MutationHappened(); |
| 256 | } |
| 257 | |
| 258 | void BFCachePreventionObserver::ContentAppended(nsIContent* aFirstNewContent) { |
| 259 | if (aFirstNewContent->IsInNativeAnonymousSubtree()) { |
| 260 | return; |
| 261 | } |
| 262 | MutationHappened(); |
| 263 | } |
| 264 | |
| 265 | void BFCachePreventionObserver::ContentInserted(nsIContent* aChild) { |
| 266 | if (aChild->IsInNativeAnonymousSubtree()) { |
| 267 | return; |
| 268 | } |
| 269 | MutationHappened(); |
| 270 | } |
| 271 | |
| 272 | void BFCachePreventionObserver::ContentRemoved(nsIContent* aChild, |
| 273 | nsIContent* aPreviousSibling) { |
| 274 | if (aChild->IsInNativeAnonymousSubtree()) { |
| 275 | return; |
| 276 | } |
| 277 | MutationHappened(); |
| 278 | } |
| 279 | |
| 280 | void BFCachePreventionObserver::NodeWillBeDestroyed(nsINode* aNode) { |
| 281 | mDocument = nullptr; |
| 282 | } |
| 283 | |
| 284 | void BFCachePreventionObserver::Disconnect() { |
| 285 | if (mDocument) { |
| 286 | mDocument->RemoveMutationObserver(this); |
| 287 | // It will no longer tell us when it goes away, so make sure we're |
| 288 | // not holding a dangling ref. |
| 289 | mDocument = nullptr; |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | void BFCachePreventionObserver::MutationHappened() { |
| 294 | MOZ_ASSERT(do { static_assert( mozilla::detail::AssertionConditionType< decltype(mDocument)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mDocument))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mDocument" " (" "How can we not have a document but be getting notified for mutations?" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 296); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mDocument" ") (" "How can we not have a document but be getting notified for mutations?" ")"); do { *((volatile int*)__null) = 296; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 295 | mDocument,do { static_assert( mozilla::detail::AssertionConditionType< decltype(mDocument)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mDocument))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mDocument" " (" "How can we not have a document but be getting notified for mutations?" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 296); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mDocument" ") (" "How can we not have a document but be getting notified for mutations?" ")"); do { *((volatile int*)__null) = 296; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 296 | "How can we not have a document but be getting notified for mutations?")do { static_assert( mozilla::detail::AssertionConditionType< decltype(mDocument)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mDocument))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mDocument" " (" "How can we not have a document but be getting notified for mutations?" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 296); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mDocument" ") (" "How can we not have a document but be getting notified for mutations?" ")"); do { *((volatile int*)__null) = 296; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 297 | mDocument->DisallowBFCaching(); |
| 298 | Disconnect(); |
| 299 | } |
| 300 | |
| 301 | } // namespace viewer_detail |
| 302 | |
| 303 | using viewer_detail::BFCachePreventionObserver; |
| 304 | |
| 305 | //------------------------------------------------------------- |
| 306 | class nsDocumentViewer final : public nsIDocumentViewer, |
| 307 | public nsIDocumentViewerEdit, |
| 308 | public nsIDocumentViewerPrint |
| 309 | #ifdef NS_PRINTING1 |
| 310 | , |
| 311 | public nsIWebBrowserPrint |
| 312 | #endif |
| 313 | |
| 314 | { |
| 315 | friend class nsDocViewerSelectionListener; |
| 316 | friend class nsPagePrintTimer; |
| 317 | friend class nsPrintJob; |
| 318 | |
| 319 | public: |
| 320 | nsDocumentViewer(); |
| 321 | |
| 322 | // nsISupports interface... |
| 323 | 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: |
| 324 | |
| 325 | // nsIDocumentViewer interface... |
| 326 | NS_DECL_NSIDOCUMENTVIEWERvirtual nsresult Init(nsIWidget * aParentWidget, const nsIntRect & aBounds, mozilla::dom::WindowGlobalChild * aWindowActor ) override; virtual nsresult GetContainer(nsIDocShell **aContainer ) override; virtual nsresult SetContainer(nsIDocShell *aContainer ) override; virtual void LoadStart(mozilla::dom::Document *aDoc ) override; virtual nsresult LoadComplete(nsresult aStatus) override ; virtual bool GetLoadCompleted() override; virtual bool GetIsStopped () override; virtual nsresult PermitUnload(nsIDocumentViewer:: PermitUnloadAction aAction, bool *_retval) override; virtual nsresult GetInPermitUnload(bool *aInPermitUnload) override; virtual nsIDocumentViewer ::PermitUnloadResult DispatchBeforeUnload(void) override; virtual nsresult GetBeforeUnloadFiring(bool *aBeforeUnloadFiring) override ; virtual nsresult PageHide(bool isUnload) override; virtual nsresult Close(nsISHEntry *historyEntry) override; virtual nsresult Destroy (void) override; virtual nsresult Stop(void) override; virtual nsresult GetDOMDocument(mozilla::dom::Document **aDOMDocument ) override; virtual mozilla::dom::Document * GetDocument(void ) override; virtual nsresult SetDocument(mozilla::dom::Document *aDocument) override; virtual nsresult GetBounds(nsIntRect & aBounds) override; virtual nsresult SetBounds(const nsIntRect & aBounds) override; virtual nsresult SetBoundsWithFlags (const nsIntRect & aBounds, uint32_t aFlags) override; virtual nsIDocumentViewer * GetPreviousViewer() override; virtual void SetPreviousViewer(nsIDocumentViewer *aPreviousViewer) override ; virtual nsresult Move(int32_t aX, int32_t aY) override; virtual nsresult Show(void) override; virtual nsresult Hide(void) override ; virtual nsresult GetSticky(bool *aSticky) override; virtual nsresult SetSticky(bool aSticky) override; virtual nsresult Open (nsISupports *aState, nsISHEntry *aSHEntry) override; virtual nsresult ClearHistoryEntry(void) override; virtual nsresult SetPageModeForTesting (bool aPageMode, nsIPrintSettings *aPrintSettings) override; virtual nsresult SetPrintSettingsForSubdocument(nsIPrintSettings *aPrintSettings , mozilla::layout::RemotePrintJobChild * aRemotePrintJob) override ; virtual nsresult GetHistoryEntry(nsISHEntry **aHistoryEntry ) override; virtual nsresult GetIsTabModalPromptAllowed(bool * aIsTabModalPromptAllowed) override; virtual nsresult GetIsHidden (bool *aIsHidden) override; virtual nsresult SetIsHidden(bool aIsHidden) override; virtual mozilla::PresShell * GetPresShell () override; virtual nsPresContext * GetPresContext() override ; virtual nsresult SetDocumentInternal(mozilla::dom::Document *aDocument, bool aForceReuseInnerWindow) override; virtual nsView * FindContainerView(void) override; virtual void SetNavigationTiming (nsDOMNavigationTiming * aTiming) override; virtual nsresult GetDeviceFullZoomForTest (float *aDeviceFullZoomForTest) override; virtual nsresult GetAuthorStyleDisabled (bool *aAuthorStyleDisabled) override; virtual nsresult SetAuthorStyleDisabled (bool aAuthorStyleDisabled) override; virtual nsresult GetContentSize (int32_t maxWidth, int32_t maxHeight, int32_t prefWidth, int32_t *width, int32_t *height) override; virtual const mozilla::Encoding * GetReloadEncodingAndSource(int32_t *aSource) override; virtual void SetReloadEncodingAndSource(const mozilla::Encoding * aEncoding , int32_t aSource) override; virtual void ForgetReloadEncoding (void) override; |
| 327 | |
| 328 | // nsIDocumentViewerEdit |
| 329 | NS_DECL_NSIDOCUMENTVIEWEREDITvirtual nsresult ClearSelection(void) override; virtual nsresult SelectAll(void) override; virtual nsresult CopySelection(void ) override; virtual nsresult GetCopyable(bool *aCopyable) override ; virtual nsresult CopyLinkLocation(void) override; virtual nsresult GetInLink(bool *aInLink) override; virtual nsresult CopyImage (int32_t aCopyFlags) override; virtual nsresult GetInImage(bool *aInImage) override; virtual nsresult GetContents(const char * aMimeType, bool aSelectionOnly, nsAString& _retval) override ; virtual nsresult GetCanGetContents(bool *aCanGetContents) override ; virtual nsresult SetCommandNode(nsINode *aNode) override; |
| 330 | |
| 331 | #ifdef NS_PRINTING1 |
| 332 | // nsIWebBrowserPrint |
| 333 | NS_DECL_NSIWEBBROWSERPRINTvirtual nsresult GetDoingPrint(bool *aDoingPrint) override; virtual nsresult GetDoingPrintPreview(bool *aDoingPrintPreview) override ; virtual nsresult GetRawNumPages(int32_t *aRawNumPages) override ; virtual nsresult GetPrintPreviewNumPages(int32_t *aPrintPreviewNumPages ) override; virtual nsresult GetPrintPreviewCurrentPageNumber (int32_t *aPrintPreviewCurrentPageNumber) override; using nsIWebBrowserPrint ::GetCloseWindowAfterPrint; virtual nsresult GetCloseWindowAfterPrint (bool *aCloseWindowAfterPrint) override; virtual nsresult SetCloseWindowAfterPrint (bool aCloseWindowAfterPrint) override; virtual nsresult Print (nsIPrintSettings *aThePrintSettings, mozilla::layout::RemotePrintJobChild * aRemotePrintJob, nsIWebProgressListener *aWPListener) override ; virtual nsresult PrintPreview(nsIPrintSettings *aThePrintSettings , nsIWebProgressListener *aWPListener, std::function<void( const mozilla::dom::PrintPreviewResultInfo&)>&& aCallback) override; virtual nsresult PrintPreviewScrollToPage (int16_t aNavType, int32_t aPageNum) override; virtual nsresult ExitPrintPreview(void) override; |
| 334 | #endif |
| 335 | |
| 336 | // nsIDocumentViewerPrint Printing Methods |
| 337 | NS_DECL_NSIDOCUMENTVIEWERPRINTbool GetIsPrinting() const override; void SetIsPrintPreview(bool aIsPrintPreview) override; bool GetIsPrintPreview() const override ; void IncrementDestroyBlockedCount() override; void DecrementDestroyBlockedCount () override; void OnDonePrinting() override; void SetPrintPreviewPresentation (nsViewManager* aViewManager, nsPresContext* aPresContext, mozilla ::PresShell* aPresShell) override; |
| 338 | |
| 339 | protected: |
| 340 | virtual ~nsDocumentViewer(); |
| 341 | |
| 342 | private: |
| 343 | /** |
| 344 | * Creates a view manager, root view, and widget for the root view, setting |
| 345 | * mViewManager and mWindow. |
| 346 | * @param aSize the initial size in appunits |
| 347 | * @param aContainerView the container view to hook our root view up |
| 348 | * to as a child, or null if this will be the root view manager |
| 349 | */ |
| 350 | nsresult MakeWindow(const nsSize& aSize, nsView* aContainerView); |
| 351 | |
| 352 | /** |
| 353 | * Create our device context |
| 354 | */ |
| 355 | nsresult CreateDeviceContext(nsView* aContainerView); |
| 356 | |
| 357 | /** |
| 358 | * If aDoCreation is true, this creates the device context, creates a |
| 359 | * prescontext if necessary, and calls MakeWindow. |
| 360 | * |
| 361 | * If aForceSetNewDocument is false, then SetNewDocument won't be |
| 362 | * called if the window's current document is already mDocument. |
| 363 | */ |
| 364 | nsresult InitInternal(nsIWidget* aParentWidget, nsISupports* aState, |
| 365 | mozilla::dom::WindowGlobalChild* aActor, |
| 366 | const nsIntRect& aBounds, bool aDoCreation, |
| 367 | bool aNeedMakeCX = true, |
| 368 | bool aForceSetNewDocument = true); |
| 369 | /** |
| 370 | * @param aDoInitialReflow set to true if you want to kick off the initial |
| 371 | * reflow |
| 372 | */ |
| 373 | MOZ_CAN_RUN_SCRIPT_BOUNDARY |
| 374 | nsresult InitPresentationStuff(bool aDoInitialReflow); |
| 375 | |
| 376 | already_AddRefed<nsINode> GetPopupNode(); |
| 377 | already_AddRefed<nsINode> GetPopupLinkNode(); |
| 378 | already_AddRefed<nsIImageLoadingContent> GetPopupImageNode(); |
| 379 | |
| 380 | void PrepareToStartLoad(void); |
| 381 | |
| 382 | nsresult SyncParentSubDocMap(); |
| 383 | |
| 384 | void RemoveFocusListener(); |
| 385 | void ReinitializeFocusListener(); |
| 386 | |
| 387 | mozilla::dom::Selection* GetDocumentSelection(); |
| 388 | |
| 389 | void DestroyPresShell(); |
| 390 | void DestroyPresContext(); |
| 391 | |
| 392 | void InvalidatePotentialSubDocDisplayItem(); |
| 393 | |
| 394 | // Whether we should attach to the top level widget. This is true if we |
| 395 | // are sharing/recycling a single base widget and not creating multiple |
| 396 | // child widgets. |
| 397 | bool ShouldAttachToTopLevel(); |
| 398 | |
| 399 | std::tuple<const nsIFrame*, int32_t> GetCurrentSheetFrameAndNumber() const; |
| 400 | |
| 401 | protected: |
| 402 | // Returns the current viewmanager. Might be null. |
| 403 | nsViewManager* GetViewManager(); |
| 404 | |
| 405 | void DetachFromTopLevelWidget(); |
| 406 | |
| 407 | // IMPORTANT: The ownership implicit in the following member |
| 408 | // variables has been explicitly checked and set using nsCOMPtr |
| 409 | // for owning pointers and raw COM interface pointers for weak |
| 410 | // (ie, non owning) references. If you add any members to this |
| 411 | // class, please make the ownership explicit (pinkerton, scc). |
| 412 | |
| 413 | WeakPtr<nsDocShell> mContainer; // it owns me! |
| 414 | RefPtr<nsDeviceContext> mDeviceContext; // We create and own this baby |
| 415 | |
| 416 | // the following six items are explicitly in this order |
| 417 | // so they will be destroyed in the reverse order (pinkerton, scc) |
| 418 | nsCOMPtr<Document> mDocument; |
| 419 | nsCOMPtr<nsIWidget> mWindow; // may be null |
| 420 | RefPtr<nsViewManager> mViewManager; |
| 421 | RefPtr<nsPresContext> mPresContext; |
| 422 | RefPtr<PresShell> mPresShell; |
| 423 | |
| 424 | RefPtr<nsDocViewerSelectionListener> mSelectionListener; |
| 425 | RefPtr<nsDocViewerFocusListener> mFocusListener; |
| 426 | |
| 427 | nsCOMPtr<nsIDocumentViewer> mPreviousViewer; |
| 428 | nsCOMPtr<nsISHEntry> mSHEntry; |
| 429 | // Observer that will prevent bfcaching if it gets notified. This |
| 430 | // is non-null precisely when mSHEntry is non-null. |
| 431 | RefPtr<BFCachePreventionObserver> mBFCachePreventionObserver; |
| 432 | |
| 433 | nsIWidget* mParentWidget; // purposely won't be ref counted. May be null |
| 434 | bool mAttachedToParent; // view is attached to the parent widget |
| 435 | |
| 436 | nsIntRect mBounds; |
| 437 | |
| 438 | int16_t mNumURLStarts; |
| 439 | int16_t mDestroyBlockedCount; |
| 440 | |
| 441 | unsigned mStopped : 1; |
| 442 | unsigned mLoaded : 1; |
| 443 | unsigned mDeferredWindowClose : 1; |
| 444 | // document management data |
| 445 | // these items are specific to markup documents (html and xml) |
| 446 | // may consider splitting these out into a subclass |
| 447 | unsigned mIsSticky : 1; |
| 448 | unsigned mInPermitUnload : 1; |
| 449 | unsigned mInPermitUnloadPrompt : 1; |
| 450 | |
| 451 | #ifdef NS_PRINTING1 |
| 452 | unsigned mClosingWhilePrinting : 1; |
| 453 | unsigned mCloseWindowAfterPrint : 1; |
| 454 | |
| 455 | # if NS_PRINT_PREVIEW1 |
| 456 | RefPtr<nsPrintJob> mPrintJob; |
| 457 | # endif // NS_PRINT_PREVIEW |
| 458 | |
| 459 | #endif // NS_PRINTING |
| 460 | |
| 461 | /* character set member data */ |
| 462 | int32_t mReloadEncodingSource; |
| 463 | const Encoding* mReloadEncoding; |
| 464 | |
| 465 | bool mIsPageMode; |
| 466 | bool mInitializedForPrintPreview; |
| 467 | bool mHidden; |
| 468 | }; |
| 469 | |
| 470 | class nsDocumentShownDispatcher : public Runnable { |
| 471 | public: |
| 472 | explicit nsDocumentShownDispatcher(nsCOMPtr<Document> aDocument) |
| 473 | : Runnable("nsDocumentShownDispatcher"), mDocument(aDocument) {} |
| 474 | |
| 475 | NS_IMETHODvirtual nsresult Run() override; |
| 476 | |
| 477 | private: |
| 478 | nsCOMPtr<Document> mDocument; |
| 479 | }; |
| 480 | |
| 481 | //------------------------------------------------------------------ |
| 482 | // nsDocumentViewer |
| 483 | //------------------------------------------------------------------ |
| 484 | |
| 485 | //------------------------------------------------------------------ |
| 486 | already_AddRefed<nsIDocumentViewer> NS_NewDocumentViewer() { |
| 487 | return MakeAndAddRef<nsDocumentViewer>(); |
| 488 | } |
| 489 | |
| 490 | void nsDocumentViewer::PrepareToStartLoad() { |
| 491 | MOZ_DIAGNOSTIC_ASSERT(!GetIsPrintPreview(),do { static_assert( mozilla::detail::AssertionConditionType< decltype(!GetIsPrintPreview())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!GetIsPrintPreview()))), 0)) ) { do { } while (false); MOZ_ReportAssertionFailure("!GetIsPrintPreview()" " (" "Print preview tab should never navigate" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 492); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "!GetIsPrintPreview()" ") (" "Print preview tab should never navigate" ")"); do { * ((volatile int*)__null) = 492; __attribute__((nomerge)) ::abort (); } while (false); } } while (false) |
| 492 | "Print preview tab should never navigate")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!GetIsPrintPreview())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!GetIsPrintPreview()))), 0)) ) { do { } while (false); MOZ_ReportAssertionFailure("!GetIsPrintPreview()" " (" "Print preview tab should never navigate" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 492); AnnotateMozCrashReason("MOZ_DIAGNOSTIC_ASSERT" "(" "!GetIsPrintPreview()" ") (" "Print preview tab should never navigate" ")"); do { * ((volatile int*)__null) = 492; __attribute__((nomerge)) ::abort (); } while (false); } } while (false); |
| 493 | |
| 494 | mStopped = false; |
| 495 | mLoaded = false; |
| 496 | mAttachedToParent = false; |
| 497 | mDeferredWindowClose = false; |
| 498 | |
| 499 | #ifdef NS_PRINTING1 |
| 500 | mClosingWhilePrinting = false; |
| 501 | |
| 502 | // Make sure we have destroyed it and cleared the data member |
| 503 | if (mPrintJob) { |
| 504 | mPrintJob->Destroy(); |
| 505 | mPrintJob = nullptr; |
| 506 | } |
| 507 | |
| 508 | #endif // NS_PRINTING |
| 509 | } |
| 510 | |
| 511 | nsDocumentViewer::nsDocumentViewer() |
| 512 | : mParentWidget(nullptr), |
| 513 | mAttachedToParent(false), |
| 514 | mNumURLStarts(0), |
| 515 | mDestroyBlockedCount(0), |
| 516 | mStopped(false), |
| 517 | mLoaded(false), |
| 518 | mDeferredWindowClose(false), |
| 519 | mIsSticky(true), |
| 520 | mInPermitUnload(false), |
| 521 | mInPermitUnloadPrompt(false), |
| 522 | #ifdef NS_PRINTING1 |
| 523 | mClosingWhilePrinting(false), |
| 524 | mCloseWindowAfterPrint(false), |
| 525 | #endif // NS_PRINTING |
| 526 | mReloadEncodingSource(kCharsetUninitialized), |
| 527 | mReloadEncoding(nullptr), |
| 528 | mIsPageMode(false), |
| 529 | mInitializedForPrintPreview(false), |
| 530 | mHidden(false) { |
| 531 | PrepareToStartLoad(); |
| 532 | } |
| 533 | |
| 534 | NS_IMPL_ADDREF(nsDocumentViewer)MozExternalRefCountType nsDocumentViewer::AddRef(void) { static_assert (!std::is_destructible_v<nsDocumentViewer>, "Reference-counted class " "nsDocumentViewer" " 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/layout/base/nsDocumentViewer.cpp" , 534); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { *((volatile int*)__null) = 534; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsDocumentViewer" != nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!("nsDocumentViewer" != nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "\"nsDocumentViewer\" != nullptr" " (" "Must specify a name" ")" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 534); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsDocumentViewer\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 534; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("nsDocumentViewer" " not thread-safe"); nsrefcnt count = ++mRefCnt; NS_LogAddRef((this), (count), ("nsDocumentViewer" ), (uint32_t)(sizeof(*this))); return count; } |
| 535 | NS_IMPL_RELEASE(nsDocumentViewer)MozExternalRefCountType nsDocumentViewer::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/layout/base/nsDocumentViewer.cpp" , 535); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { *((volatile int*)__null) = 535 ; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsDocumentViewer" != nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!("nsDocumentViewer" != nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "\"nsDocumentViewer\" != nullptr" " (" "Must specify a name" ")" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 535); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsDocumentViewer\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 535; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("nsDocumentViewer" " not thread-safe"); const char* const nametmp = "nsDocumentViewer"; nsrefcnt count = -- mRefCnt; NS_LogRelease((this), (count), (nametmp)); if (count == 0) { mRefCnt = 1; delete (this); return 0; } return count ; } |
| 536 | |
| 537 | NS_INTERFACE_MAP_BEGIN(nsDocumentViewer)nsresult nsDocumentViewer::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/layout/base/nsDocumentViewer.cpp" , 537); MOZ_PretendNoReturn(); } } while (0); nsISupports* foundInterface ; |
| 538 | NS_INTERFACE_MAP_ENTRY(nsIDocumentViewer)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIDocumentViewer>)) foundInterface = static_cast<nsIDocumentViewer*>(this); else |
| 539 | NS_INTERFACE_MAP_ENTRY(nsIDocumentViewerEdit)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIDocumentViewerEdit>)) foundInterface = static_cast<nsIDocumentViewerEdit*>(this); else |
| 540 | NS_INTERFACE_MAP_ENTRY(nsIDocumentViewerPrint)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIDocumentViewerPrint>)) foundInterface = static_cast<nsIDocumentViewerPrint*>(this); else |
| 541 | NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDocumentViewer)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsISupports>)) foundInterface = static_cast <nsISupports*>(static_cast<nsIDocumentViewer*>(this )); else |
| 542 | #ifdef NS_PRINTING1 |
| 543 | NS_INTERFACE_MAP_ENTRY(nsIWebBrowserPrint)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIWebBrowserPrint>)) foundInterface = static_cast<nsIWebBrowserPrint*>(this); else |
| 544 | #endif |
| 545 | 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/layout/base/nsDocumentViewer.cpp" , 545); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!aIID.Equals((nsISupports::COMTypeInfo<nsISupports, void>::kIID))" ")"); do { *((volatile int*)__null) = 545; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); status = NS_NOINTERFACE ; } else { (foundInterface)->AddRef(); status = NS_OK; } * aInstancePtr = foundInterface; return status; } |
| 546 | |
| 547 | nsDocumentViewer::~nsDocumentViewer() { |
| 548 | if (mDocument) { |
| 549 | Close(nullptr); |
| 550 | mDocument->Destroy(); |
| 551 | } |
| 552 | |
| 553 | #ifdef NS_PRINTING1 |
| 554 | if (mPrintJob) { |
| 555 | mPrintJob->Destroy(); |
| 556 | mPrintJob = nullptr; |
| 557 | } |
| 558 | #endif |
| 559 | |
| 560 | MOZ_RELEASE_ASSERT(mDestroyBlockedCount == 0)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mDestroyBlockedCount == 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mDestroyBlockedCount == 0))) , 0))) { do { } while (false); MOZ_ReportAssertionFailure("mDestroyBlockedCount == 0" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 560); AnnotateMozCrashReason("MOZ_RELEASE_ASSERT" "(" "mDestroyBlockedCount == 0" ")"); do { *((volatile int*)__null) = 560; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 561 | NS_ASSERTION(!mPresShell && !mPresContext,do { if (!(!mPresShell && !mPresContext)) { NS_DebugBreak (NS_DEBUG_ASSERTION, "User did not call nsIDocumentViewer::Destroy" , "!mPresShell && !mPresContext", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 562); MOZ_PretendNoReturn(); } } while (0) |
| 562 | "User did not call nsIDocumentViewer::Destroy")do { if (!(!mPresShell && !mPresContext)) { NS_DebugBreak (NS_DEBUG_ASSERTION, "User did not call nsIDocumentViewer::Destroy" , "!mPresShell && !mPresContext", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 562); MOZ_PretendNoReturn(); } } while (0); |
| 563 | if (mPresShell || mPresContext) { |
| 564 | // Make sure we don't hand out a reference to the content viewer to |
| 565 | // the SHEntry! |
| 566 | mSHEntry = nullptr; |
| 567 | |
| 568 | Destroy(); |
| 569 | } |
| 570 | |
| 571 | if (mSelectionListener) { |
| 572 | mSelectionListener->Disconnect(); |
| 573 | } |
| 574 | |
| 575 | RemoveFocusListener(); |
| 576 | |
| 577 | // XXX(?) Revoke pending invalidate events |
| 578 | } |
| 579 | |
| 580 | /* |
| 581 | * This method is called by the Document Loader once a document has |
| 582 | * been created for a particular data stream... The content viewer |
| 583 | * must cache this document for later use when Init(...) is called. |
| 584 | * |
| 585 | * This method is also called when an out of band document.write() happens. |
| 586 | * In that case, the document passed in is the same as the previous document. |
| 587 | */ |
| 588 | /* virtual */ |
| 589 | void nsDocumentViewer::LoadStart(Document* aDocument) { |
| 590 | 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/layout/base/nsDocumentViewer.cpp" , 590); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aDocument" ")" ); do { *((volatile int*)__null) = 590; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 591 | |
| 592 | if (!mDocument) { |
| 593 | mDocument = aDocument; |
| 594 | } |
| 595 | } |
| 596 | |
| 597 | void nsDocumentViewer::RemoveFocusListener() { |
| 598 | if (RefPtr<nsDocViewerFocusListener> oldListener = |
| 599 | std::move(mFocusListener)) { |
| 600 | oldListener->Disconnect(); |
| 601 | if (mDocument) { |
| 602 | mDocument->RemoveEventListener(u"focus"_ns, oldListener, false); |
| 603 | mDocument->RemoveEventListener(u"blur"_ns, oldListener, false); |
| 604 | } |
| 605 | } |
| 606 | } |
| 607 | |
| 608 | void nsDocumentViewer::ReinitializeFocusListener() { |
| 609 | RemoveFocusListener(); |
| 610 | mFocusListener = new nsDocViewerFocusListener(this); |
| 611 | if (mDocument) { |
| 612 | mDocument->AddEventListener(u"focus"_ns, mFocusListener, false, false); |
| 613 | mDocument->AddEventListener(u"blur"_ns, mFocusListener, false, false); |
| 614 | } |
| 615 | } |
| 616 | |
| 617 | nsresult nsDocumentViewer::SyncParentSubDocMap() { |
| 618 | nsCOMPtr<nsIDocShell> docShell(mContainer); |
| 619 | if (!docShell) { |
| 620 | return NS_OK; |
| 621 | } |
| 622 | |
| 623 | nsCOMPtr<nsPIDOMWindowOuter> pwin(docShell->GetWindow()); |
| 624 | if (!mDocument || !pwin) { |
| 625 | return NS_OK; |
| 626 | } |
| 627 | |
| 628 | nsCOMPtr<Element> element = pwin->GetFrameElementInternal(); |
| 629 | if (!element) { |
| 630 | return NS_OK; |
| 631 | } |
| 632 | |
| 633 | nsCOMPtr<nsIDocShellTreeItem> parent; |
| 634 | docShell->GetInProcessParent(getter_AddRefs(parent)); |
| 635 | |
| 636 | nsCOMPtr<nsPIDOMWindowOuter> parent_win = |
| 637 | parent ? parent->GetWindow() : nullptr; |
| 638 | if (!parent_win) { |
| 639 | return NS_OK; |
| 640 | } |
| 641 | |
| 642 | nsCOMPtr<Document> parent_doc = parent_win->GetDoc(); |
| 643 | if (!parent_doc) { |
| 644 | return NS_OK; |
| 645 | } |
| 646 | |
| 647 | if (mDocument && parent_doc->GetSubDocumentFor(element) != mDocument && |
| 648 | parent_doc->EventHandlingSuppressed()) { |
| 649 | mDocument->SuppressEventHandling(parent_doc->EventHandlingSuppressed()); |
| 650 | } |
| 651 | return parent_doc->SetSubDocumentFor(element, mDocument); |
| 652 | } |
| 653 | |
| 654 | NS_IMETHODIMPnsresult |
| 655 | nsDocumentViewer::SetContainer(nsIDocShell* aContainer) { |
| 656 | mContainer = static_cast<nsDocShell*>(aContainer); |
| 657 | |
| 658 | // We're loading a new document into the window where this document |
| 659 | // viewer lives, sync the parent document's frame element -> sub |
| 660 | // document map |
| 661 | |
| 662 | return SyncParentSubDocMap(); |
| 663 | } |
| 664 | |
| 665 | NS_IMETHODIMPnsresult |
| 666 | nsDocumentViewer::GetContainer(nsIDocShell** aResult) { |
| 667 | NS_ENSURE_ARG_POINTER(aResult)do { if ((__builtin_expect(!!(!(aResult)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "aResult" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 667); return NS_ERROR_INVALID_POINTER; } } while (false); |
| 668 | |
| 669 | nsCOMPtr<nsIDocShell> container(mContainer); |
| 670 | container.swap(*aResult); |
| 671 | return NS_OK; |
| 672 | } |
| 673 | |
| 674 | NS_IMETHODIMPnsresult |
| 675 | nsDocumentViewer::Init(nsIWidget* aParentWidget, const nsIntRect& aBounds, |
| 676 | WindowGlobalChild* aActor) { |
| 677 | return InitInternal(aParentWidget, nullptr, aActor, aBounds, true); |
| 678 | } |
| 679 | |
| 680 | nsresult nsDocumentViewer::InitPresentationStuff(bool aDoInitialReflow) { |
| 681 | // We assert this because initializing the pres shell could otherwise cause |
| 682 | // re-entrancy into nsDocumentViewer methods, which might cause a different |
| 683 | // pres shell to be created. Callers of InitPresentationStuff should ensure |
| 684 | // the call is appropriately bounded by an nsAutoScriptBlocker to decide |
| 685 | // when it is safe for these re-entrant calls to be made. |
| 686 | 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()" " (" "InitPresentationStuff must only be called when scripts are " "blocked" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 688); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!nsContentUtils::IsSafeToRunScript()" ") (" "InitPresentationStuff must only be called when scripts are " "blocked" ")"); do { *((volatile int*)__null) = 688; __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false) |
| 687 | "InitPresentationStuff must only be called when scripts are "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()" " (" "InitPresentationStuff must only be called when scripts are " "blocked" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 688); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!nsContentUtils::IsSafeToRunScript()" ") (" "InitPresentationStuff must only be called when scripts are " "blocked" ")"); do { *((volatile int*)__null) = 688; __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false) |
| 688 | "blocked")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()" " (" "InitPresentationStuff must only be called when scripts are " "blocked" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 688); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!nsContentUtils::IsSafeToRunScript()" ") (" "InitPresentationStuff must only be called when scripts are " "blocked" ")"); do { *((volatile int*)__null) = 688; __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false); |
| 689 | |
| 690 | #ifdef NS_PRINTING1 |
| 691 | // When getting printed, either for print or print preview, the print job |
| 692 | // takes care of setting up the presentation of the document. |
| 693 | if (mPrintJob) { |
| 694 | return NS_OK; |
| 695 | } |
| 696 | #endif |
| 697 | |
| 698 | NS_ASSERTION(!mPresShell, "Someone should have destroyed the presshell!")do { if (!(!mPresShell)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Someone should have destroyed the presshell!" , "!mPresShell", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 698); MOZ_PretendNoReturn(); } } while (0); |
| 699 | |
| 700 | // Now make the shell for the document |
| 701 | nsCOMPtr<Document> doc = mDocument; |
| 702 | RefPtr<nsPresContext> presContext = mPresContext; |
| 703 | RefPtr<nsViewManager> viewManager = mViewManager; |
| 704 | mPresShell = doc->CreatePresShell(presContext, viewManager); |
| 705 | if (!mPresShell) { |
| 706 | return NS_ERROR_FAILURE; |
| 707 | } |
| 708 | |
| 709 | if (aDoInitialReflow) { |
| 710 | // Since Initialize() will create frames for *all* items |
| 711 | // that are currently in the document tree, we need to flush |
| 712 | // any pending notifications to prevent the content sink from |
| 713 | // duplicating layout frames for content it has added to the tree |
| 714 | // but hasn't notified the document about. (Bug 154018) |
| 715 | // |
| 716 | // Note that we are flushing before we add mPresShell as an observer |
| 717 | // to avoid bogus notifications. |
| 718 | mDocument->FlushPendingNotifications(FlushType::ContentAndNotify); |
| 719 | } |
| 720 | |
| 721 | mPresShell->BeginObservingDocument(); |
| 722 | |
| 723 | // Initialize our view manager |
| 724 | |
| 725 | { |
| 726 | int32_t p2a = mPresContext->AppUnitsPerDevPixel(); |
| 727 | MOZ_ASSERT(do { static_assert( mozilla::detail::AssertionConditionType< decltype(p2a == mPresContext->DeviceContext()->AppUnitsPerDevPixelAtUnitFullZoom ())>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(p2a == mPresContext->DeviceContext()->AppUnitsPerDevPixelAtUnitFullZoom ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("p2a == mPresContext->DeviceContext()->AppUnitsPerDevPixelAtUnitFullZoom()" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 729); AnnotateMozCrashReason("MOZ_ASSERT" "(" "p2a == mPresContext->DeviceContext()->AppUnitsPerDevPixelAtUnitFullZoom()" ")"); do { *((volatile int*)__null) = 729; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 728 | p2a ==do { static_assert( mozilla::detail::AssertionConditionType< decltype(p2a == mPresContext->DeviceContext()->AppUnitsPerDevPixelAtUnitFullZoom ())>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(p2a == mPresContext->DeviceContext()->AppUnitsPerDevPixelAtUnitFullZoom ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("p2a == mPresContext->DeviceContext()->AppUnitsPerDevPixelAtUnitFullZoom()" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 729); AnnotateMozCrashReason("MOZ_ASSERT" "(" "p2a == mPresContext->DeviceContext()->AppUnitsPerDevPixelAtUnitFullZoom()" ")"); do { *((volatile int*)__null) = 729; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 729 | mPresContext->DeviceContext()->AppUnitsPerDevPixelAtUnitFullZoom())do { static_assert( mozilla::detail::AssertionConditionType< decltype(p2a == mPresContext->DeviceContext()->AppUnitsPerDevPixelAtUnitFullZoom ())>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(p2a == mPresContext->DeviceContext()->AppUnitsPerDevPixelAtUnitFullZoom ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("p2a == mPresContext->DeviceContext()->AppUnitsPerDevPixelAtUnitFullZoom()" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 729); AnnotateMozCrashReason("MOZ_ASSERT" "(" "p2a == mPresContext->DeviceContext()->AppUnitsPerDevPixelAtUnitFullZoom()" ")"); do { *((volatile int*)__null) = 729; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 730 | |
| 731 | nscoord width = p2a * mBounds.width; |
| 732 | nscoord height = p2a * mBounds.height; |
| 733 | |
| 734 | mViewManager->SetWindowDimensions(width, height); |
| 735 | mPresContext->SetVisibleArea(nsRect(0, 0, width, height)); |
| 736 | // We rely on the default zoom not being initialized until here. |
| 737 | mPresContext->RecomputeBrowsingContextDependentData(); |
| 738 | } |
| 739 | |
| 740 | if (mWindow && mDocument->IsTopLevelContentDocument()) { |
| 741 | // Set initial safe area insets |
| 742 | ScreenIntMargin windowSafeAreaInsets; |
| 743 | LayoutDeviceIntRect windowRect = mWindow->GetScreenBounds(); |
| 744 | nsCOMPtr<nsIScreen> screen = mWindow->GetWidgetScreen(); |
| 745 | if (screen) { |
| 746 | windowSafeAreaInsets = nsContentUtils::GetWindowSafeAreaInsets( |
| 747 | screen, mWindow->GetSafeAreaInsets(), windowRect); |
| 748 | } |
| 749 | |
| 750 | mPresContext->SetSafeAreaInsets(windowSafeAreaInsets); |
| 751 | } |
| 752 | |
| 753 | if (aDoInitialReflow) { |
| 754 | RefPtr<PresShell> presShell = mPresShell; |
| 755 | // Initial reflow |
| 756 | presShell->Initialize(); |
| 757 | } |
| 758 | |
| 759 | // now register ourselves as a selection listener, so that we get |
| 760 | // called when the selection changes in the window |
| 761 | if (!mSelectionListener) { |
| 762 | mSelectionListener = new nsDocViewerSelectionListener(this); |
| 763 | } |
| 764 | |
| 765 | RefPtr<mozilla::dom::Selection> selection = GetDocumentSelection(); |
| 766 | if (!selection) { |
| 767 | return NS_ERROR_FAILURE; |
| 768 | } |
| 769 | |
| 770 | selection->AddSelectionListener(mSelectionListener); |
| 771 | |
| 772 | ReinitializeFocusListener(); |
| 773 | |
| 774 | if (aDoInitialReflow && mDocument) { |
| 775 | nsCOMPtr<Document> document = mDocument; |
| 776 | document->ScrollToRef(); |
| 777 | } |
| 778 | |
| 779 | return NS_OK; |
| 780 | } |
| 781 | |
| 782 | static already_AddRefed<nsPresContext> CreatePresContext( |
| 783 | Document* aDocument, nsPresContext::nsPresContextType aType, |
| 784 | nsView* aContainerView) { |
| 785 | RefPtr<nsPresContext> result = aContainerView |
| 786 | ? new nsPresContext(aDocument, aType) |
| 787 | : new nsRootPresContext(aDocument, aType); |
| 788 | |
| 789 | return result.forget(); |
| 790 | } |
| 791 | |
| 792 | //----------------------------------------------- |
| 793 | // This method can be used to initial the "presentation" |
| 794 | // The aDoCreation indicates whether it should create |
| 795 | // all the new objects or just initialize the existing ones |
| 796 | nsresult nsDocumentViewer::InitInternal( |
| 797 | nsIWidget* aParentWidget, nsISupports* aState, WindowGlobalChild* aActor, |
| 798 | const nsIntRect& aBounds, bool aDoCreation, bool aNeedMakeCX /*= true*/, |
| 799 | bool aForceSetNewDocument /* = true*/) { |
| 800 | // We don't want any scripts to run here. That can cause flushing, |
| 801 | // which can cause reentry into initialization of this document viewer, |
| 802 | // which would be disastrous. |
| 803 | nsAutoScriptBlocker blockScripts; |
| 804 | |
| 805 | mParentWidget = aParentWidget; // not ref counted |
| 806 | mBounds = aBounds; |
| 807 | |
| 808 | nsresult rv = NS_OK; |
| 809 | NS_ENSURE_TRUE(mDocument, NS_ERROR_NULL_POINTER)do { if ((__builtin_expect(!!(!(mDocument)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mDocument" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 809); return NS_ERROR_NULL_POINTER; } } while (false); |
| 810 | |
| 811 | nsView* containerView = FindContainerView(); |
| 812 | |
| 813 | bool makeCX = false; |
| 814 | if (aDoCreation) { |
| 815 | nsresult rv = CreateDeviceContext(containerView); |
| 816 | 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/layout/base/nsDocumentViewer.cpp" , 816); return rv; } } while (false); |
| 817 | |
| 818 | // XXXbz this is a nasty hack to do with the fact that we create |
| 819 | // presentations both in Init() and in Show()... Ideally we would only do |
| 820 | // it in one place (Show()) and require that callers call init(), open(), |
| 821 | // show() in that order or something. |
| 822 | if (!mPresContext && |
| 823 | (aParentWidget || containerView || mDocument->IsBeingUsedAsImage() || |
| 824 | (mDocument->GetDisplayDocument() && |
| 825 | mDocument->GetDisplayDocument()->GetPresShell()))) { |
| 826 | // Create presentation context |
| 827 | if (mIsPageMode) { |
| 828 | // Presentation context already created in SetPageModeForTesting which |
| 829 | // is calling this method |
| 830 | } else { |
| 831 | mPresContext = CreatePresContext( |
| 832 | mDocument, nsPresContext::eContext_Galley, containerView); |
| 833 | } |
| 834 | NS_ENSURE_TRUE(mPresContext, NS_ERROR_OUT_OF_MEMORY)do { if ((__builtin_expect(!!(!(mPresContext)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mPresContext" ") failed" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 834); return NS_ERROR_OUT_OF_MEMORY; } } while (false); |
| 835 | |
| 836 | nsresult rv = mPresContext->Init(mDeviceContext); |
| 837 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 838 | mPresContext = nullptr; |
| 839 | return rv; |
| 840 | } |
| 841 | |
| 842 | #if defined(NS_PRINTING1) && defined(NS_PRINT_PREVIEW1) |
| 843 | makeCX = !GetIsPrintPreview() && |
| 844 | aNeedMakeCX; // needs to be true except when we are already in |
| 845 | // PP or we are enabling/disabling paginated mode. |
| 846 | #else |
| 847 | makeCX = true; |
| 848 | #endif |
| 849 | } |
| 850 | |
| 851 | if (mPresContext) { |
| 852 | // Create the ViewManager and Root View... |
| 853 | |
| 854 | // We must do this before we tell the script global object about |
| 855 | // this new document since doing that will cause us to re-enter |
| 856 | // into nsSubDocumentFrame code through reflows caused by |
| 857 | // FlushPendingNotifications() calls down the road... |
| 858 | |
| 859 | rv = MakeWindow(nsSize(mPresContext->DevPixelsToAppUnits(aBounds.width), |
| 860 | mPresContext->DevPixelsToAppUnits(aBounds.height)), |
| 861 | containerView); |
| 862 | 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/layout/base/nsDocumentViewer.cpp" , 862); return rv; } } while (false); |
| 863 | Hide(); |
| 864 | |
| 865 | #ifdef NS_PRINT_PREVIEW1 |
| 866 | if (mIsPageMode) { |
| 867 | // I'm leaving this in a broken state for the moment; we should |
| 868 | // be measuring/scaling with the print device context, not the |
| 869 | // screen device context, but this is good enough to allow |
| 870 | // printing reftests to work. |
| 871 | double pageWidth = 0, pageHeight = 0; |
| 872 | mPresContext->GetPrintSettings()->GetEffectivePageSize(&pageWidth, |
| 873 | &pageHeight); |
| 874 | mPresContext->SetPageSize( |
| 875 | nsSize(mPresContext->CSSTwipsToAppUnits(NSToIntFloor(pageWidth)), |
| 876 | mPresContext->CSSTwipsToAppUnits(NSToIntFloor(pageHeight)))); |
| 877 | mPresContext->SetIsRootPaginatedDocument(true); |
| 878 | mPresContext->SetPageScale(1.0f); |
| 879 | } |
| 880 | #endif |
| 881 | } else { |
| 882 | // Avoid leaking the old viewer. |
| 883 | if (mPreviousViewer) { |
| 884 | mPreviousViewer->Destroy(); |
| 885 | mPreviousViewer = nullptr; |
| 886 | } |
| 887 | } |
| 888 | } |
| 889 | |
| 890 | nsCOMPtr<nsIInterfaceRequestor> requestor(mContainer); |
| 891 | if (requestor) { |
| 892 | // Set script-context-owner in the document |
| 893 | |
| 894 | nsCOMPtr<nsPIDOMWindowOuter> window = do_GetInterface(requestor); |
| 895 | |
| 896 | if (window) { |
| 897 | nsCOMPtr<Document> curDoc = window->GetExtantDoc(); |
| 898 | if (aForceSetNewDocument || curDoc != mDocument) { |
| 899 | rv = window->SetNewDocument(mDocument, aState, false, aActor); |
| 900 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 901 | Destroy(); |
| 902 | return rv; |
| 903 | } |
| 904 | } |
| 905 | } |
| 906 | } |
| 907 | |
| 908 | if (aDoCreation && mPresContext) { |
| 909 | // The ViewManager and Root View was created above (in |
| 910 | // MakeWindow())... |
| 911 | |
| 912 | rv = InitPresentationStuff(!makeCX); |
| 913 | } |
| 914 | |
| 915 | return rv; |
| 916 | } |
| 917 | |
| 918 | void nsDocumentViewer::SetNavigationTiming(nsDOMNavigationTiming* timing) { |
| 919 | NS_ASSERTION(mDocument, "Must have a document to set navigation timing.")do { if (!(mDocument)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Must have a document to set navigation timing." , "mDocument", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 919); MOZ_PretendNoReturn(); } } while (0); |
| 920 | if (mDocument) { |
| 921 | mDocument->SetNavigationTiming(timing); |
| 922 | } |
| 923 | } |
| 924 | |
| 925 | // |
| 926 | // LoadComplete(aStatus) |
| 927 | // |
| 928 | // aStatus - The status returned from loading the document. |
| 929 | // |
| 930 | // This method is called by the container when the document has been |
| 931 | // completely loaded. |
| 932 | // |
| 933 | NS_IMETHODIMPnsresult |
| 934 | nsDocumentViewer::LoadComplete(nsresult aStatus) { |
| 935 | /* We need to protect ourself against auto-destruction in case the |
| 936 | window is closed while processing the OnLoad event. See bug |
| 937 | http://bugzilla.mozilla.org/show_bug.cgi?id=78445 for more |
| 938 | explanation. |
| 939 | */ |
| 940 | RefPtr<nsDocumentViewer> kungFuDeathGrip(this); |
| 941 | |
| 942 | // Flush out layout so it's up-to-date by the time onload is called. |
| 943 | // Note that this could destroy the window, so do this before |
| 944 | // checking for our mDocument and its window. |
| 945 | if (mPresShell && !mStopped) { |
| 946 | // Hold strong ref because this could conceivably run script |
| 947 | RefPtr<PresShell> presShell = mPresShell; |
| 948 | presShell->FlushPendingNotifications(FlushType::Layout); |
| 949 | } |
| 950 | |
| 951 | nsresult rv = NS_OK; |
| 952 | NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE)do { if ((__builtin_expect(!!(!(mDocument)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mDocument" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 952); return NS_ERROR_NOT_AVAILABLE; } } while (false); |
| 953 | |
| 954 | // First, get the window from the document... |
| 955 | nsCOMPtr<nsPIDOMWindowOuter> window = mDocument->GetWindow(); |
| 956 | |
| 957 | mLoaded = true; |
| 958 | |
| 959 | // Now, fire either an OnLoad or OnError event to the document... |
| 960 | bool restoring = false; |
| 961 | // XXXbz imagelib kills off the document load for a full-page image with |
| 962 | // NS_ERROR_PARSED_DATA_CACHED if it's in the cache. So we want to treat |
| 963 | // that one as a success code; otherwise whether we fire onload for the image |
| 964 | // will depend on whether it's cached! |
| 965 | if (window && |
| 966 | (NS_SUCCEEDED(aStatus)((bool)(__builtin_expect(!!(!NS_FAILED_impl(aStatus)), 1))) || aStatus == NS_ERROR_PARSED_DATA_CACHED)) { |
| 967 | // If this code changes, the code in nsDocLoader::DocLoaderIsEmpty |
| 968 | // that fires load events for document.open() cases might need to |
| 969 | // be updated too. |
| 970 | nsEventStatus status = nsEventStatus_eIgnore; |
| 971 | WidgetEvent event(true, eLoad); |
| 972 | event.mFlags.mBubbles = false; |
| 973 | event.mFlags.mCancelable = false; |
| 974 | // XXX Dispatching to |window|, but using |document| as the target. |
| 975 | event.mTarget = mDocument; |
| 976 | |
| 977 | // If the document presentation is being restored, we don't want to fire |
| 978 | // onload to the document content since that would likely confuse scripts |
| 979 | // on the page. |
| 980 | |
| 981 | RefPtr<nsDocShell> docShell = nsDocShell::Cast(window->GetDocShell()); |
| 982 | NS_ENSURE_TRUE(docShell, NS_ERROR_UNEXPECTED)do { if ((__builtin_expect(!!(!(docShell)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "docShell" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 982); return NS_ERROR_UNEXPECTED; } } while (false); |
| 983 | |
| 984 | // Unfortunately, docShell->GetRestoringDocument() might no longer be set |
| 985 | // correctly. In particular, it can be false by now if someone took it upon |
| 986 | // themselves to block onload from inside restoration and unblock it later. |
| 987 | // But we can detect the restoring case very simply: by whether our |
| 988 | // document's readyState is COMPLETE. |
| 989 | restoring = |
| 990 | (mDocument->GetReadyStateEnum() == Document::READYSTATE_COMPLETE); |
| 991 | if (!restoring) { |
| 992 | NS_ASSERTION(do { if (!(mDocument->GetReadyStateEnum() == Document::READYSTATE_INTERACTIVE || (mDocument->GetReadyStateEnum() == Document::READYSTATE_UNINITIALIZED && NS_IsAboutBlank(mDocument->GetDocumentURI()))) ) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Bad readystate", "mDocument->GetReadyStateEnum() == Document::READYSTATE_INTERACTIVE || (mDocument->GetReadyStateEnum() == Document::READYSTATE_UNINITIALIZED && NS_IsAboutBlank(mDocument->GetDocumentURI()))" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 999); MOZ_PretendNoReturn(); } } while (0) |
| 993 | mDocument->GetReadyStateEnum() == Document::READYSTATE_INTERACTIVE ||do { if (!(mDocument->GetReadyStateEnum() == Document::READYSTATE_INTERACTIVE || (mDocument->GetReadyStateEnum() == Document::READYSTATE_UNINITIALIZED && NS_IsAboutBlank(mDocument->GetDocumentURI()))) ) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Bad readystate", "mDocument->GetReadyStateEnum() == Document::READYSTATE_INTERACTIVE || (mDocument->GetReadyStateEnum() == Document::READYSTATE_UNINITIALIZED && NS_IsAboutBlank(mDocument->GetDocumentURI()))" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 999); MOZ_PretendNoReturn(); } } while (0) |
| 994 | // test_stricttransportsecurity.html has old-styledo { if (!(mDocument->GetReadyStateEnum() == Document::READYSTATE_INTERACTIVE || (mDocument->GetReadyStateEnum() == Document::READYSTATE_UNINITIALIZED && NS_IsAboutBlank(mDocument->GetDocumentURI()))) ) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Bad readystate", "mDocument->GetReadyStateEnum() == Document::READYSTATE_INTERACTIVE || (mDocument->GetReadyStateEnum() == Document::READYSTATE_UNINITIALIZED && NS_IsAboutBlank(mDocument->GetDocumentURI()))" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 999); MOZ_PretendNoReturn(); } } while (0) |
| 995 | // docshell-generated about:blank docs reach this code!do { if (!(mDocument->GetReadyStateEnum() == Document::READYSTATE_INTERACTIVE || (mDocument->GetReadyStateEnum() == Document::READYSTATE_UNINITIALIZED && NS_IsAboutBlank(mDocument->GetDocumentURI()))) ) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Bad readystate", "mDocument->GetReadyStateEnum() == Document::READYSTATE_INTERACTIVE || (mDocument->GetReadyStateEnum() == Document::READYSTATE_UNINITIALIZED && NS_IsAboutBlank(mDocument->GetDocumentURI()))" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 999); MOZ_PretendNoReturn(); } } while (0) |
| 996 | (mDocument->GetReadyStateEnum() ==do { if (!(mDocument->GetReadyStateEnum() == Document::READYSTATE_INTERACTIVE || (mDocument->GetReadyStateEnum() == Document::READYSTATE_UNINITIALIZED && NS_IsAboutBlank(mDocument->GetDocumentURI()))) ) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Bad readystate", "mDocument->GetReadyStateEnum() == Document::READYSTATE_INTERACTIVE || (mDocument->GetReadyStateEnum() == Document::READYSTATE_UNINITIALIZED && NS_IsAboutBlank(mDocument->GetDocumentURI()))" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 999); MOZ_PretendNoReturn(); } } while (0) |
| 997 | Document::READYSTATE_UNINITIALIZED &&do { if (!(mDocument->GetReadyStateEnum() == Document::READYSTATE_INTERACTIVE || (mDocument->GetReadyStateEnum() == Document::READYSTATE_UNINITIALIZED && NS_IsAboutBlank(mDocument->GetDocumentURI()))) ) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Bad readystate", "mDocument->GetReadyStateEnum() == Document::READYSTATE_INTERACTIVE || (mDocument->GetReadyStateEnum() == Document::READYSTATE_UNINITIALIZED && NS_IsAboutBlank(mDocument->GetDocumentURI()))" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 999); MOZ_PretendNoReturn(); } } while (0) |
| 998 | NS_IsAboutBlank(mDocument->GetDocumentURI())),do { if (!(mDocument->GetReadyStateEnum() == Document::READYSTATE_INTERACTIVE || (mDocument->GetReadyStateEnum() == Document::READYSTATE_UNINITIALIZED && NS_IsAboutBlank(mDocument->GetDocumentURI()))) ) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Bad readystate", "mDocument->GetReadyStateEnum() == Document::READYSTATE_INTERACTIVE || (mDocument->GetReadyStateEnum() == Document::READYSTATE_UNINITIALIZED && NS_IsAboutBlank(mDocument->GetDocumentURI()))" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 999); MOZ_PretendNoReturn(); } } while (0) |
| 999 | "Bad readystate")do { if (!(mDocument->GetReadyStateEnum() == Document::READYSTATE_INTERACTIVE || (mDocument->GetReadyStateEnum() == Document::READYSTATE_UNINITIALIZED && NS_IsAboutBlank(mDocument->GetDocumentURI()))) ) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Bad readystate", "mDocument->GetReadyStateEnum() == Document::READYSTATE_INTERACTIVE || (mDocument->GetReadyStateEnum() == Document::READYSTATE_UNINITIALIZED && NS_IsAboutBlank(mDocument->GetDocumentURI()))" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 999); MOZ_PretendNoReturn(); } } while (0); |
| 1000 | #ifdef DEBUG1 |
| 1001 | bool docShellThinksWeAreRestoring; |
| 1002 | docShell->GetRestoringDocument(&docShellThinksWeAreRestoring); |
| 1003 | MOZ_ASSERT(!docShellThinksWeAreRestoring,do { static_assert( mozilla::detail::AssertionConditionType< decltype(!docShellThinksWeAreRestoring)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!docShellThinksWeAreRestoring ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "!docShellThinksWeAreRestoring" " (" "How can docshell think we are restoring if we don't have a " "READYSTATE_COMPLETE document?" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1005); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!docShellThinksWeAreRestoring" ") (" "How can docshell think we are restoring if we don't have a " "READYSTATE_COMPLETE document?" ")"); do { *((volatile int*) __null) = 1005; __attribute__((nomerge)) ::abort(); } while ( false); } } while (false) |
| 1004 | "How can docshell think we are restoring if we don't have a "do { static_assert( mozilla::detail::AssertionConditionType< decltype(!docShellThinksWeAreRestoring)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!docShellThinksWeAreRestoring ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "!docShellThinksWeAreRestoring" " (" "How can docshell think we are restoring if we don't have a " "READYSTATE_COMPLETE document?" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1005); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!docShellThinksWeAreRestoring" ") (" "How can docshell think we are restoring if we don't have a " "READYSTATE_COMPLETE document?" ")"); do { *((volatile int*) __null) = 1005; __attribute__((nomerge)) ::abort(); } while ( false); } } while (false) |
| 1005 | "READYSTATE_COMPLETE document?")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!docShellThinksWeAreRestoring)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!docShellThinksWeAreRestoring ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "!docShellThinksWeAreRestoring" " (" "How can docshell think we are restoring if we don't have a " "READYSTATE_COMPLETE document?" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1005); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!docShellThinksWeAreRestoring" ") (" "How can docshell think we are restoring if we don't have a " "READYSTATE_COMPLETE document?" ")"); do { *((volatile int*) __null) = 1005; __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 1006 | #endif // DEBUG |
| 1007 | nsCOMPtr<Document> d = mDocument; |
| 1008 | mDocument->SetReadyStateInternal(Document::READYSTATE_COMPLETE); |
| 1009 | |
| 1010 | RefPtr<nsDOMNavigationTiming> timing(d->GetNavigationTiming()); |
| 1011 | if (timing) { |
| 1012 | timing->NotifyLoadEventStart(); |
| 1013 | } |
| 1014 | |
| 1015 | // Dispatch observer notification to notify observers document load is |
| 1016 | // complete. |
| 1017 | nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService(); |
| 1018 | if (os) { |
| 1019 | nsIPrincipal* principal = d->NodePrincipal(); |
| 1020 | os->NotifyObservers(ToSupports(d), |
| 1021 | principal->IsSystemPrincipal() |
| 1022 | ? "chrome-document-loaded" |
| 1023 | : "content-document-loaded", |
| 1024 | nullptr); |
| 1025 | } |
| 1026 | |
| 1027 | nsPIDOMWindowInner* innerWindow = window->GetCurrentInnerWindow(); |
| 1028 | d->SetLoadEventFiring(true); |
| 1029 | RefPtr<nsPresContext> presContext = mPresContext; |
| 1030 | // MOZ_KnownLive due to bug 1506441 |
| 1031 | EventDispatcher::Dispatch( |
| 1032 | MOZ_KnownLive(nsGlobalWindowOuter::Cast(window))(nsGlobalWindowOuter::Cast(window)), presContext, &event, |
| 1033 | nullptr, &status); |
| 1034 | d->SetLoadEventFiring(false); |
| 1035 | |
| 1036 | if (timing) { |
| 1037 | timing->NotifyLoadEventEnd(); |
| 1038 | } |
| 1039 | |
| 1040 | if (innerWindow) { |
| 1041 | innerWindow->QueuePerformanceNavigationTiming(); |
| 1042 | } |
| 1043 | } |
| 1044 | } else { |
| 1045 | // XXX: Should fire error event to the document... |
| 1046 | |
| 1047 | // If our load was explicitly aborted, then we want to set our |
| 1048 | // readyState to COMPLETE, and fire a readystatechange event. |
| 1049 | if (aStatus == NS_BINDING_ABORTED && mDocument) { |
| 1050 | mDocument->NotifyAbortedLoad(); |
| 1051 | } |
| 1052 | } |
| 1053 | |
| 1054 | // Notify the document that it has been shown (regardless of whether |
| 1055 | // it was just loaded). Note: mDocument may be null now if the above |
| 1056 | // firing of onload caused the document to unload. Or, mDocument may not be |
| 1057 | // the "current active" document, if the above firing of onload caused our |
| 1058 | // docshell to navigate away. NOTE: In this latter scenario, it's likely that |
| 1059 | // we fired pagehide (when navigating away) without ever having fired |
| 1060 | // pageshow, and that's pretty broken... Fortunately, this should be rare. |
| 1061 | // (It requires us to spin the event loop in onload handler, e.g. via sync |
| 1062 | // XHR, in order for the navigation-away to happen before onload completes.) |
| 1063 | // We skip firing pageshow if we're currently handling unload, or if loading |
| 1064 | // was explicitly aborted. |
| 1065 | if (mDocument && mDocument->IsCurrentActiveDocument() && |
| 1066 | aStatus != NS_BINDING_ABORTED) { |
| 1067 | // Re-get window, since it might have changed during above firing of onload |
| 1068 | window = mDocument->GetWindow(); |
| 1069 | if (window) { |
| 1070 | nsIDocShell* docShell = window->GetDocShell(); |
| 1071 | bool isInUnload; |
| 1072 | if (docShell && NS_SUCCEEDED(docShell->GetIsInUnload(&isInUnload))((bool)(__builtin_expect(!!(!NS_FAILED_impl(docShell->GetIsInUnload (&isInUnload))), 1))) && |
| 1073 | !isInUnload) { |
| 1074 | mDocument->OnPageShow(restoring, nullptr); |
| 1075 | } |
| 1076 | } |
| 1077 | } |
| 1078 | |
| 1079 | if (!mStopped) { |
| 1080 | if (mDocument) { |
| 1081 | // This is the final attempt to scroll to an anchor / text directive. |
| 1082 | // This is the last iteration of the algorithm described in the spec for |
| 1083 | // trying to scroll to a fragment. |
| 1084 | // https://html.spec.whatwg.org/#try-to-scroll-to-the-fragment |
| 1085 | nsCOMPtr<Document> document = mDocument; |
| 1086 | document->ScrollToRef(); |
| 1087 | } |
| 1088 | |
| 1089 | // Now that the document has loaded, we can tell the presshell |
| 1090 | // to unsuppress painting. |
| 1091 | if (mPresShell) { |
| 1092 | RefPtr<PresShell> presShell = mPresShell; |
| 1093 | presShell->UnsuppressPainting(); |
| 1094 | // mPresShell could have been removed now, see bug 378682/421432 |
| 1095 | if (mPresShell) { |
| 1096 | mPresShell->LoadComplete(); |
| 1097 | } |
| 1098 | } |
| 1099 | } |
| 1100 | |
| 1101 | // https://wicg.github.io/scroll-to-text-fragment/#invoking-text-directives |
| 1102 | // Monkeypatching HTML § 7.4.6.3 Scrolling to a fragment: |
| 1103 | // 2.1 If the user agent has reason to believe the user is no longer |
| 1104 | // interested in scrolling to the fragment, then: |
| 1105 | // 2.1.1 Set pending text directives to null. |
| 1106 | // |
| 1107 | // Gecko's implementation differs from the spec (ie., it implements its |
| 1108 | // intention but doesn't follow step by step), therefore the mentioned steps |
| 1109 | // are not applied in the same manner. |
| 1110 | // However, this should be the right place to do this. |
| 1111 | if (mDocument) { |
| 1112 | mDocument->FragmentDirective()->ClearUninvokedDirectives(); |
| 1113 | } |
| 1114 | if (mDocument && !restoring) { |
| 1115 | mDocument->LoadEventFired(); |
| 1116 | } |
| 1117 | |
| 1118 | // It's probably a good idea to GC soon since we have finished loading. |
| 1119 | nsJSContext::PokeGC( |
| 1120 | JS::GCReason::LOAD_END, |
| 1121 | mDocument ? mDocument->GetWrapperPreserveColor() : nullptr); |
| 1122 | |
| 1123 | #ifdef NS_PRINTING1 |
| 1124 | // Check to see if someone tried to print during the load |
| 1125 | if (window) { |
| 1126 | auto* outerWin = nsGlobalWindowOuter::Cast(window); |
| 1127 | outerWin->StopDelayingPrintingUntilAfterLoad(); |
| 1128 | if (outerWin->DelayedPrintUntilAfterLoad()) { |
| 1129 | // We call into the inner because it ensures there's an active document |
| 1130 | // and such, and it also waits until the whole thing completes, which is |
| 1131 | // nice because it allows us to close if needed right here. |
| 1132 | if (RefPtr inner = |
| 1133 | nsGlobalWindowInner::Cast(window->GetCurrentInnerWindow())) { |
| 1134 | inner->Print(IgnoreErrors()); |
| 1135 | } |
| 1136 | if (outerWin->DelayedCloseForPrinting()) { |
| 1137 | outerWin->Close(); |
| 1138 | } |
| 1139 | } else { |
| 1140 | MOZ_ASSERT(!outerWin->DelayedCloseForPrinting())do { static_assert( mozilla::detail::AssertionConditionType< decltype(!outerWin->DelayedCloseForPrinting())>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(!outerWin->DelayedCloseForPrinting()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!outerWin->DelayedCloseForPrinting()" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1140); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!outerWin->DelayedCloseForPrinting()" ")"); do { *((volatile int*)__null) = 1140; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1141 | } |
| 1142 | } |
| 1143 | #endif |
| 1144 | |
| 1145 | return rv; |
| 1146 | } |
| 1147 | |
| 1148 | bool nsDocumentViewer::GetLoadCompleted() { return mLoaded; } |
| 1149 | |
| 1150 | bool nsDocumentViewer::GetIsStopped() { return mStopped; } |
| 1151 | |
| 1152 | NS_IMETHODIMPnsresult |
| 1153 | nsDocumentViewer::PermitUnload(PermitUnloadAction aAction, |
| 1154 | bool* aPermitUnload) { |
| 1155 | // We're going to be running JS and nested event loops, which could cause our |
| 1156 | // DocShell to be destroyed. Make sure we stay alive until the end of the |
| 1157 | // function. |
| 1158 | RefPtr<nsDocumentViewer> kungFuDeathGrip(this); |
| 1159 | |
| 1160 | if (StaticPrefs::dom_disable_beforeunload()) { |
| 1161 | aAction = eDontPromptAndUnload; |
| 1162 | } |
| 1163 | |
| 1164 | *aPermitUnload = true; |
| 1165 | |
| 1166 | NS_ENSURE_STATE(mContainer)do { if ((__builtin_expect(!!(!(mContainer)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mContainer" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1166); return NS_ERROR_UNEXPECTED; } } while (false); |
| 1167 | |
| 1168 | RefPtr<BrowsingContext> bc = mContainer->GetBrowsingContext(); |
| 1169 | if (!bc) { |
| 1170 | return NS_OK; |
| 1171 | } |
| 1172 | |
| 1173 | // Per spec, we need to increase the ignore-opens-during-unload counter while |
| 1174 | // dispatching the "beforeunload" event on both the document we're currently |
| 1175 | // dispatching the event to and the document that we explicitly asked to |
| 1176 | // unload. |
| 1177 | IgnoreOpensDuringUnload ignoreOpens(mDocument); |
| 1178 | |
| 1179 | bool foundBlocker = false; |
| 1180 | bool foundOOPListener = false; |
| 1181 | bc->PreOrderWalk([&](BrowsingContext* aBC) { |
| 1182 | if (!aBC->IsInProcess()) { |
| 1183 | WindowContext* wc = aBC->GetCurrentWindowContext(); |
| 1184 | if (wc && wc->HasBeforeUnload()) { |
| 1185 | foundOOPListener = true; |
| 1186 | } |
| 1187 | } else if (aBC->GetDocShell()) { |
| 1188 | nsCOMPtr<nsIDocumentViewer> viewer(aBC->GetDocShell()->GetDocViewer()); |
| 1189 | if (viewer && viewer->DispatchBeforeUnload() == eRequestBlockNavigation) { |
| 1190 | foundBlocker = true; |
| 1191 | } |
| 1192 | } |
| 1193 | }); |
| 1194 | |
| 1195 | if (!foundOOPListener) { |
| 1196 | if (!foundBlocker) { |
| 1197 | return NS_OK; |
| 1198 | } |
| 1199 | if (aAction != ePrompt) { |
| 1200 | *aPermitUnload = aAction == eDontPromptAndUnload; |
| 1201 | return NS_OK; |
| 1202 | } |
| 1203 | } |
| 1204 | |
| 1205 | // NB: we nullcheck mDocument because it might now be dead as a result of |
| 1206 | // the event being dispatched. |
| 1207 | RefPtr<WindowGlobalChild> wgc(mDocument ? mDocument->GetWindowGlobalChild() |
| 1208 | : nullptr); |
| 1209 | if (!wgc) { |
| 1210 | return NS_OK; |
| 1211 | } |
| 1212 | |
| 1213 | nsAutoSyncOperation sync(mDocument, SyncOperationBehavior::eSuspendInput); |
| 1214 | AutoSuppressEventHandlingAndSuspend seh(bc->Group()); |
| 1215 | |
| 1216 | mInPermitUnloadPrompt = true; |
| 1217 | |
| 1218 | bool done = false; |
| 1219 | wgc->SendCheckPermitUnload( |
| 1220 | foundBlocker, aAction, |
| 1221 | [&](bool aPermit) { |
| 1222 | done = true; |
| 1223 | *aPermitUnload = aPermit; |
| 1224 | }, |
| 1225 | [&](auto) { |
| 1226 | // If the prompt aborted, we tell our consumer that it is not allowed |
| 1227 | // to unload the page. One reason that prompts abort is that the user |
| 1228 | // performed some action that caused the page to unload while our prompt |
| 1229 | // was active. In those cases we don't want our consumer to also unload |
| 1230 | // the page. |
| 1231 | // |
| 1232 | // XXX: Are there other cases where prompts can abort? Is it ok to |
| 1233 | // prevent unloading the page in those cases? |
| 1234 | done = true; |
| 1235 | *aPermitUnload = false; |
| 1236 | }); |
| 1237 | |
| 1238 | SpinEventLoopUntil("nsDocumentViewer::PermitUnload"_ns, |
| 1239 | [&]() { return done; }); |
| 1240 | |
| 1241 | mInPermitUnloadPrompt = false; |
| 1242 | return NS_OK; |
| 1243 | } |
| 1244 | |
| 1245 | MOZ_CAN_RUN_SCRIPT_BOUNDARY PermitUnloadResult |
| 1246 | nsDocumentViewer::DispatchBeforeUnload() { |
| 1247 | AutoDontWarnAboutSyncXHR disableSyncXHRWarning; |
| 1248 | |
| 1249 | if (!mDocument || mInPermitUnload || mInPermitUnloadPrompt || !mContainer) { |
| 1250 | return eAllowNavigation; |
| 1251 | } |
| 1252 | |
| 1253 | // First, get the script global object from the document... |
| 1254 | RefPtr<nsGlobalWindowOuter> window = |
| 1255 | nsGlobalWindowOuter::Cast(mDocument->GetWindow()); |
| 1256 | if (!window) { |
| 1257 | // This is odd, but not fatal |
| 1258 | NS_WARNING("window not set for document!")NS_DebugBreak(NS_DEBUG_WARNING, "window not set for document!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1258); |
| 1259 | return eAllowNavigation; |
| 1260 | } |
| 1261 | |
| 1262 | NS_ASSERTION(nsContentUtils::IsSafeToRunScript(), "This is unsafe")do { if (!(nsContentUtils::IsSafeToRunScript())) { NS_DebugBreak (NS_DEBUG_ASSERTION, "This is unsafe", "nsContentUtils::IsSafeToRunScript()" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1262); MOZ_PretendNoReturn(); } } while (0); |
| 1263 | |
| 1264 | // https://html.spec.whatwg.org/multipage/browsing-the-web.html#prompt-to-unload-a-document |
| 1265 | // Create an RAII object on mDocument that will increment the |
| 1266 | // should-ignore-opens-during-unload counter on initialization |
| 1267 | // and decrement it again when it goes out of score (regardless |
| 1268 | // of how we exit this function). |
| 1269 | IgnoreOpensDuringUnload ignoreOpens(mDocument); |
| 1270 | |
| 1271 | // Now, fire an BeforeUnload event to the document and see if it's ok |
| 1272 | // to unload... |
| 1273 | nsPresContext* presContext = mDocument->GetPresContext(); |
| 1274 | auto event = MakeRefPtr<BeforeUnloadEvent>(mDocument, presContext, nullptr); |
| 1275 | event->InitEvent(u"beforeunload"_ns, false, true); |
| 1276 | |
| 1277 | // Dispatching to |window|, but using |document| as the target. |
| 1278 | event->SetTarget(mDocument); |
| 1279 | event->SetTrusted(true); |
| 1280 | |
| 1281 | // In evil cases we might be destroyed while handling the |
| 1282 | // onbeforeunload event, don't let that happen. (see also bug#331040) |
| 1283 | RefPtr<nsDocumentViewer> kungFuDeathGrip(this); |
| 1284 | |
| 1285 | { |
| 1286 | // Never permit popups from the beforeunload handler, no matter |
| 1287 | // how we get here. |
| 1288 | AutoPopupStatePusherAutoPopupStatePusherInternal popupStatePusher(PopupBlocker::openAbused, true); |
| 1289 | |
| 1290 | RefPtr<BrowsingContext> bc = mContainer->GetBrowsingContext(); |
| 1291 | NS_ASSERTION(bc, "should have a browsing context in document viewer")do { if (!(bc)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "should have a browsing context in document viewer" , "bc", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1291); MOZ_PretendNoReturn(); } } while (0); |
| 1292 | |
| 1293 | // Never permit dialogs from the beforeunload handler |
| 1294 | nsGlobalWindowOuter::TemporarilyDisableDialogs disableDialogs(bc); |
| 1295 | |
| 1296 | Document::PageUnloadingEventTimeStamp timestamp(mDocument); |
| 1297 | |
| 1298 | mInPermitUnload = true; |
| 1299 | RefPtr<nsPresContext> presContext = mPresContext; |
| 1300 | EventDispatcher::DispatchDOMEvent(window, nullptr, event, presContext, |
| 1301 | nullptr); |
| 1302 | mInPermitUnload = false; |
| 1303 | } |
| 1304 | |
| 1305 | nsAutoString text; |
| 1306 | event->GetReturnValue(text); |
| 1307 | |
| 1308 | // NB: we nullcheck mDocument because it might now be dead as a result of |
| 1309 | // the event being dispatched. |
| 1310 | if (window->AreDialogsEnabled() && mDocument && |
| 1311 | !(mDocument->GetSandboxFlags() & SANDBOXED_MODALS) && |
| 1312 | (!StaticPrefs::dom_require_user_interaction_for_beforeunload() || |
| 1313 | mDocument->UserHasInteracted()) && |
| 1314 | (event->WidgetEventPtr()->DefaultPrevented() || !text.IsEmpty())) { |
| 1315 | return eRequestBlockNavigation; |
| 1316 | } |
| 1317 | return eAllowNavigation; |
| 1318 | } |
| 1319 | |
| 1320 | NS_IMETHODIMPnsresult |
| 1321 | nsDocumentViewer::GetBeforeUnloadFiring(bool* aInEvent) { |
| 1322 | *aInEvent = mInPermitUnload; |
| 1323 | return NS_OK; |
| 1324 | } |
| 1325 | |
| 1326 | NS_IMETHODIMPnsresult |
| 1327 | nsDocumentViewer::GetInPermitUnload(bool* aInEvent) { |
| 1328 | *aInEvent = mInPermitUnloadPrompt; |
| 1329 | return NS_OK; |
| 1330 | } |
| 1331 | |
| 1332 | NS_IMETHODIMPnsresult |
| 1333 | nsDocumentViewer::PageHide(bool aIsUnload) { |
| 1334 | AutoDontWarnAboutSyncXHR disableSyncXHRWarning; |
| 1335 | |
| 1336 | mHidden = true; |
| 1337 | |
| 1338 | if (!mDocument) { |
| 1339 | return NS_ERROR_NULL_POINTER; |
| 1340 | } |
| 1341 | |
| 1342 | if (aIsUnload) { |
| 1343 | // Poke the GC. The window might be collectable garbage now. |
| 1344 | nsJSContext::PokeGC(JS::GCReason::PAGE_HIDE, |
| 1345 | mDocument->GetWrapperPreserveColor(), |
| 1346 | TimeDuration::FromMilliseconds( |
| 1347 | StaticPrefs::javascript_options_gc_delay() * 2)); |
| 1348 | } |
| 1349 | |
| 1350 | mDocument->OnPageHide(!aIsUnload, nullptr); |
| 1351 | |
| 1352 | // inform the window so that the focus state is reset. |
| 1353 | NS_ENSURE_STATE(mDocument)do { if ((__builtin_expect(!!(!(mDocument)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mDocument" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1353); return NS_ERROR_UNEXPECTED; } } while (false); |
| 1354 | nsPIDOMWindowOuter* window = mDocument->GetWindow(); |
| 1355 | if (window) window->PageHidden(); |
| 1356 | |
| 1357 | if (aIsUnload) { |
| 1358 | // if Destroy() was called during OnPageHide(), mDocument is nullptr. |
| 1359 | NS_ENSURE_STATE(mDocument)do { if ((__builtin_expect(!!(!(mDocument)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mDocument" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1359); return NS_ERROR_UNEXPECTED; } } while (false); |
| 1360 | |
| 1361 | // First, get the window from the document... |
| 1362 | RefPtr<nsPIDOMWindowOuter> window = mDocument->GetWindow(); |
| 1363 | |
| 1364 | if (!window) { |
| 1365 | // Fail if no window is available... |
| 1366 | NS_WARNING("window not set for document!")NS_DebugBreak(NS_DEBUG_WARNING, "window not set for document!" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1366); |
| 1367 | return NS_ERROR_NULL_POINTER; |
| 1368 | } |
| 1369 | |
| 1370 | // https://html.spec.whatwg.org/multipage/browsing-the-web.html#unload-a-document |
| 1371 | // Create an RAII object on mDocument that will increment the |
| 1372 | // should-ignore-opens-during-unload counter on initialization |
| 1373 | // and decrement it again when it goes out of scope. |
| 1374 | IgnoreOpensDuringUnload ignoreOpens(mDocument); |
| 1375 | |
| 1376 | // Now, fire an Unload event to the document... |
| 1377 | nsEventStatus status = nsEventStatus_eIgnore; |
| 1378 | WidgetEvent event(true, eUnload); |
| 1379 | event.mFlags.mBubbles = false; |
| 1380 | // XXX Dispatching to |window|, but using |document| as the target. |
| 1381 | event.mTarget = mDocument; |
| 1382 | |
| 1383 | // Never permit popups from the unload handler, no matter how we get |
| 1384 | // here. |
| 1385 | AutoPopupStatePusherAutoPopupStatePusherInternal popupStatePusher(PopupBlocker::openAbused, true); |
| 1386 | |
| 1387 | Document::PageUnloadingEventTimeStamp timestamp(mDocument); |
| 1388 | |
| 1389 | RefPtr<nsPresContext> presContext = mPresContext; |
| 1390 | // MOZ_KnownLive due to bug 1506441 |
| 1391 | EventDispatcher::Dispatch(MOZ_KnownLive(nsGlobalWindowOuter::Cast(window))(nsGlobalWindowOuter::Cast(window)), |
| 1392 | presContext, &event, nullptr, &status); |
| 1393 | } |
| 1394 | |
| 1395 | // look for open menupopups and close them after the unload event, in case |
| 1396 | // the unload event listeners open any new popups |
| 1397 | nsContentUtils::HidePopupsInDocument(mDocument); |
| 1398 | |
| 1399 | return NS_OK; |
| 1400 | } |
| 1401 | |
| 1402 | static void AttachContainerRecurse(nsIDocShell* aShell) { |
| 1403 | nsCOMPtr<nsIDocumentViewer> viewer; |
| 1404 | aShell->GetDocViewer(getter_AddRefs(viewer)); |
| 1405 | if (viewer) { |
| 1406 | viewer->SetIsHidden(false); |
| 1407 | Document* doc = viewer->GetDocument(); |
| 1408 | if (doc) { |
| 1409 | doc->SetContainer(static_cast<nsDocShell*>(aShell)); |
| 1410 | } |
| 1411 | if (PresShell* presShell = viewer->GetPresShell()) { |
| 1412 | presShell->SetForwardingContainer(WeakPtr<nsDocShell>()); |
| 1413 | } |
| 1414 | } |
| 1415 | |
| 1416 | // Now recurse through the children |
| 1417 | int32_t childCount; |
| 1418 | aShell->GetInProcessChildCount(&childCount); |
| 1419 | for (int32_t i = 0; i < childCount; ++i) { |
| 1420 | nsCOMPtr<nsIDocShellTreeItem> childItem; |
| 1421 | aShell->GetInProcessChildAt(i, getter_AddRefs(childItem)); |
| 1422 | nsCOMPtr<nsIDocShell> shell = do_QueryInterface(childItem); |
| 1423 | AttachContainerRecurse(shell); |
| 1424 | } |
| 1425 | } |
| 1426 | |
| 1427 | NS_IMETHODIMPnsresult |
| 1428 | nsDocumentViewer::Open(nsISupports* aState, nsISHEntry* aSHEntry) { |
| 1429 | NS_ENSURE_TRUE(mPresShell, NS_ERROR_NOT_INITIALIZED)do { if ((__builtin_expect(!!(!(mPresShell)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mPresShell" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1429); return NS_ERROR_NOT_INITIALIZED; } } while (false); |
| 1430 | |
| 1431 | if (mDocument) { |
| 1432 | mDocument->SetContainer(mContainer); |
| 1433 | } |
| 1434 | |
| 1435 | nsresult rv = InitInternal(mParentWidget, aState, nullptr, mBounds, false); |
| 1436 | 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/layout/base/nsDocumentViewer.cpp" , 1436); return rv; } } while (false); |
| 1437 | |
| 1438 | mHidden = false; |
| 1439 | |
| 1440 | if (mPresShell) mPresShell->SetForwardingContainer(WeakPtr<nsDocShell>()); |
| 1441 | |
| 1442 | // Rehook the child presentations. The child shells are still in |
| 1443 | // session history, so get them from there. |
| 1444 | |
| 1445 | if (aSHEntry) { |
| 1446 | nsCOMPtr<nsIDocShellTreeItem> item; |
| 1447 | int32_t itemIndex = 0; |
| 1448 | while (NS_SUCCEEDED(((bool)(__builtin_expect(!!(!NS_FAILED_impl(aSHEntry->ChildShellAt (itemIndex++, getter_AddRefs(item)))), 1))) |
| 1449 | aSHEntry->ChildShellAt(itemIndex++, getter_AddRefs(item)))((bool)(__builtin_expect(!!(!NS_FAILED_impl(aSHEntry->ChildShellAt (itemIndex++, getter_AddRefs(item)))), 1))) && |
| 1450 | item) { |
| 1451 | nsCOMPtr<nsIDocShell> shell = do_QueryInterface(item); |
| 1452 | AttachContainerRecurse(shell); |
| 1453 | } |
| 1454 | } |
| 1455 | |
| 1456 | SyncParentSubDocMap(); |
| 1457 | |
| 1458 | ReinitializeFocusListener(); |
| 1459 | |
| 1460 | // XXX re-enable image animations once that works correctly |
| 1461 | |
| 1462 | PrepareToStartLoad(); |
| 1463 | |
| 1464 | // When loading a page from the bfcache with puppet widgets, we do the |
| 1465 | // widget attachment here (it is otherwise done in MakeWindow, which is |
| 1466 | // called for non-bfcache pages in the history, but not bfcache pages). |
| 1467 | // Attachment is necessary, since we get detached when another page |
| 1468 | // is browsed to. That is, if we are one page A, then when we go to |
| 1469 | // page B, we detach. So page A's view has no widget. If we then go |
| 1470 | // back to it, and it is in the bfcache, we will use that view, which |
| 1471 | // doesn't have a widget. The attach call here will properly attach us. |
| 1472 | if (nsIWidget::UsePuppetWidgets() && mPresContext && |
| 1473 | ShouldAttachToTopLevel()) { |
| 1474 | // If the old view is already attached to our parent, detach |
| 1475 | DetachFromTopLevelWidget(); |
| 1476 | |
| 1477 | nsViewManager* vm = GetViewManager(); |
| 1478 | MOZ_ASSERT(vm, "no view manager")do { static_assert( mozilla::detail::AssertionConditionType< decltype(vm)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(vm))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("vm" " (" "no view manager" ")" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1478); AnnotateMozCrashReason("MOZ_ASSERT" "(" "vm" ") (" "no view manager" ")"); do { *((volatile int*)__null) = 1478; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1479 | nsView* v = vm->GetRootView(); |
| 1480 | MOZ_ASSERT(v, "no root view")do { static_assert( mozilla::detail::AssertionConditionType< decltype(v)>::isValid, "invalid assertion condition"); if ( (__builtin_expect(!!(!(!!(v))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("v" " (" "no root view" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1480); AnnotateMozCrashReason("MOZ_ASSERT" "(" "v" ") (" "no root view" ")"); do { *((volatile int*)__null) = 1480; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1481 | MOZ_ASSERT(mParentWidget, "no mParentWidget to set")do { static_assert( mozilla::detail::AssertionConditionType< decltype(mParentWidget)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mParentWidget))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mParentWidget" " (" "no mParentWidget to set" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1481); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mParentWidget" ") (" "no mParentWidget to set" ")"); do { *((volatile int*) __null) = 1481; __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 1482 | v->AttachToTopLevelWidget(mParentWidget); |
| 1483 | |
| 1484 | mAttachedToParent = true; |
| 1485 | } |
| 1486 | |
| 1487 | return NS_OK; |
| 1488 | } |
| 1489 | |
| 1490 | NS_IMETHODIMPnsresult |
| 1491 | nsDocumentViewer::Close(nsISHEntry* aSHEntry) { |
| 1492 | // All callers are supposed to call close to break circular |
| 1493 | // references. If we do this stuff in the destructor, the |
| 1494 | // destructor might never be called (especially if we're being |
| 1495 | // used from JS. |
| 1496 | |
| 1497 | mSHEntry = aSHEntry; |
| 1498 | |
| 1499 | // Close is also needed to disable scripts during paint suppression, |
| 1500 | // since we transfer the existing global object to the new document |
| 1501 | // that is loaded. In the future, the global object may become a proxy |
| 1502 | // for an object that can be switched in and out so that we don't need |
| 1503 | // to disable scripts during paint suppression. |
| 1504 | |
| 1505 | if (!mDocument) return NS_OK; |
| 1506 | |
| 1507 | if (mSHEntry) { |
| 1508 | if (mBFCachePreventionObserver) { |
| 1509 | mBFCachePreventionObserver->Disconnect(); |
| 1510 | } |
| 1511 | mBFCachePreventionObserver = new BFCachePreventionObserver(mDocument); |
| 1512 | mDocument->AddMutationObserver(mBFCachePreventionObserver); |
| 1513 | } |
| 1514 | |
| 1515 | #ifdef NS_PRINTING1 |
| 1516 | // A Close was called while we were printing |
| 1517 | // so don't clear the ScriptGlobalObject |
| 1518 | // or clear the mDocument below |
| 1519 | if (mPrintJob && !mClosingWhilePrinting) { |
| 1520 | mClosingWhilePrinting = true; |
| 1521 | } else |
| 1522 | #endif |
| 1523 | { |
| 1524 | // out of band cleanup of docshell |
| 1525 | mDocument->SetScriptGlobalObject(nullptr); |
| 1526 | |
| 1527 | if (!mSHEntry && mDocument) mDocument->RemovedFromDocShell(); |
| 1528 | } |
| 1529 | |
| 1530 | RemoveFocusListener(); |
| 1531 | return NS_OK; |
| 1532 | } |
| 1533 | |
| 1534 | static void DetachContainerRecurse(nsIDocShell* aShell) { |
| 1535 | // Unhook this docshell's presentation |
| 1536 | aShell->SynchronizeLayoutHistoryState(); |
| 1537 | nsCOMPtr<nsIDocumentViewer> viewer; |
| 1538 | aShell->GetDocViewer(getter_AddRefs(viewer)); |
| 1539 | if (viewer) { |
| 1540 | if (Document* doc = viewer->GetDocument()) { |
| 1541 | doc->SetContainer(nullptr); |
| 1542 | } |
| 1543 | if (PresShell* presShell = viewer->GetPresShell()) { |
| 1544 | auto weakShell = static_cast<nsDocShell*>(aShell); |
| 1545 | presShell->SetForwardingContainer(weakShell); |
| 1546 | } |
| 1547 | } |
| 1548 | |
| 1549 | // Now recurse through the children |
| 1550 | int32_t childCount; |
| 1551 | aShell->GetInProcessChildCount(&childCount); |
| 1552 | for (int32_t i = 0; i < childCount; ++i) { |
| 1553 | nsCOMPtr<nsIDocShellTreeItem> childItem; |
| 1554 | aShell->GetInProcessChildAt(i, getter_AddRefs(childItem)); |
| 1555 | nsCOMPtr<nsIDocShell> shell = do_QueryInterface(childItem); |
| 1556 | DetachContainerRecurse(shell); |
| 1557 | } |
| 1558 | } |
| 1559 | |
| 1560 | NS_IMETHODIMPnsresult |
| 1561 | nsDocumentViewer::Destroy() { |
| 1562 | // Don't let the document get unloaded while we are printing. |
| 1563 | // this could happen if we hit the back button during printing. |
| 1564 | // We also keep the viewer from being cached in session history, since |
| 1565 | // we require all documents there to be sanitized. |
| 1566 | if (mDestroyBlockedCount != 0) { |
| 1567 | return NS_OK; |
| 1568 | } |
| 1569 | |
| 1570 | #ifdef NS_PRINTING1 |
| 1571 | // Here is where we check to see if the document was still being prepared |
| 1572 | // for printing when it was asked to be destroy from someone externally |
| 1573 | // This usually happens if the document is unloaded while the user is in the |
| 1574 | // Print Dialog |
| 1575 | // |
| 1576 | // So we flip the bool to remember that the document is going away |
| 1577 | // and we can clean up and abort later after returning from the Print Dialog |
| 1578 | if (mPrintJob && mPrintJob->CheckBeforeDestroy()) { |
| 1579 | return NS_OK; |
| 1580 | } |
| 1581 | #endif |
| 1582 | |
| 1583 | // We want to make sure to disconnect mBFCachePreventionObserver before we |
| 1584 | // Sanitize() below. |
| 1585 | if (mBFCachePreventionObserver) { |
| 1586 | mBFCachePreventionObserver->Disconnect(); |
| 1587 | mBFCachePreventionObserver = nullptr; |
| 1588 | } |
| 1589 | |
| 1590 | if (mSHEntry && mDocument && !mDocument->IsBFCachingAllowed()) { |
| 1591 | // Just drop the SHEntry now and pretend like we never even tried to bfcache |
| 1592 | // this viewer. This should only happen when someone calls |
| 1593 | // DisallowBFCaching() after CanSavePresentation() already ran. Ensure that |
| 1594 | // the SHEntry has no viewer and its state is synced up. We want to do this |
| 1595 | // via a stack reference, in case those calls mess with our members. |
| 1596 | 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, "BFCache not allowed, dropping SHEntry"); } } while (0) |
| 1597 | ("BFCache not allowed, dropping SHEntry"))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, "BFCache not allowed, dropping SHEntry"); } } while (0); |
| 1598 | nsCOMPtr<nsISHEntry> shEntry = std::move(mSHEntry); |
| 1599 | shEntry->SetDocumentViewer(nullptr); |
| 1600 | shEntry->SyncPresentationState(); |
| 1601 | } |
| 1602 | |
| 1603 | // If we were told to put ourselves into session history instead of destroy |
| 1604 | // the presentation, do that now. |
| 1605 | if (mSHEntry) { |
| 1606 | if (mPresShell) mPresShell->Freeze(); |
| 1607 | |
| 1608 | // Make sure the presentation isn't torn down by Hide(). |
| 1609 | mSHEntry->SetSticky(mIsSticky); |
| 1610 | mIsSticky = true; |
| 1611 | |
| 1612 | // Remove our root view from the view hierarchy. |
| 1613 | if (mPresShell) { |
| 1614 | nsViewManager* vm = mPresShell->GetViewManager(); |
| 1615 | if (vm) { |
| 1616 | nsView* rootView = vm->GetRootView(); |
| 1617 | |
| 1618 | if (rootView) { |
| 1619 | nsView* rootViewParent = rootView->GetParent(); |
| 1620 | if (rootViewParent) { |
| 1621 | nsView* subdocview = rootViewParent->GetParent(); |
| 1622 | if (subdocview) { |
| 1623 | nsIFrame* f = subdocview->GetFrame(); |
| 1624 | if (f) { |
| 1625 | nsSubDocumentFrame* s = do_QueryFrame(f); |
| 1626 | if (s) { |
| 1627 | s->ClearDisplayItems(); |
| 1628 | } |
| 1629 | } |
| 1630 | } |
| 1631 | nsViewManager* parentVM = rootViewParent->GetViewManager(); |
| 1632 | if (parentVM) { |
| 1633 | parentVM->RemoveChild(rootView); |
| 1634 | } |
| 1635 | } |
| 1636 | } |
| 1637 | } |
| 1638 | } |
| 1639 | |
| 1640 | Hide(); |
| 1641 | |
| 1642 | // This is after Hide() so that the user doesn't see the inputs clear. |
| 1643 | if (mDocument) { |
| 1644 | mDocument->Sanitize(); |
| 1645 | } |
| 1646 | |
| 1647 | // Reverse ownership. Do this *after* calling sanitize so that sanitize |
| 1648 | // doesn't cause mutations that make the SHEntry drop the presentation |
| 1649 | |
| 1650 | // Grab a reference to mSHEntry before calling into things like |
| 1651 | // SyncPresentationState that might mess with our members. |
| 1652 | nsCOMPtr<nsISHEntry> shEntry = |
| 1653 | std::move(mSHEntry); // we'll need this below |
| 1654 | |
| 1655 | 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, "Storing content viewer into cache entry") ; } } while (0) |
| 1656 | ("Storing content viewer into cache entry"))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, "Storing content viewer into cache entry") ; } } while (0); |
| 1657 | shEntry->SetDocumentViewer(this); |
| 1658 | |
| 1659 | // Always sync the presentation state. That way even if someone screws up |
| 1660 | // and shEntry has no window state at this point we'll be ok; we just won't |
| 1661 | // cache ourselves. |
| 1662 | shEntry->SyncPresentationState(); |
| 1663 | // XXX Synchronize layout history state to parent once bfcache is supported |
| 1664 | // in session-history-in-parent. |
| 1665 | |
| 1666 | // Shut down accessibility for the document before we start to tear it down. |
| 1667 | #ifdef ACCESSIBILITY1 |
| 1668 | if (mPresShell) { |
| 1669 | a11y::DocAccessible* docAcc = mPresShell->GetDocAccessible(); |
| 1670 | if (docAcc) { |
| 1671 | docAcc->Shutdown(); |
| 1672 | } |
| 1673 | } |
| 1674 | #endif |
| 1675 | |
| 1676 | // Break the link from the document/presentation to the docshell, so that |
| 1677 | // link traversals cannot affect the currently-loaded document. |
| 1678 | // When the presentation is restored, Open() and InitInternal() will reset |
| 1679 | // these pointers to their original values. |
| 1680 | |
| 1681 | if (mDocument) { |
| 1682 | mDocument->SetContainer(nullptr); |
| 1683 | } |
| 1684 | if (mPresShell) { |
| 1685 | mPresShell->SetForwardingContainer(mContainer); |
| 1686 | } |
| 1687 | |
| 1688 | // Do the same for our children. Note that we need to get the child |
| 1689 | // docshells from the SHEntry now; the docshell will have cleared them. |
| 1690 | nsCOMPtr<nsIDocShellTreeItem> item; |
| 1691 | int32_t itemIndex = 0; |
| 1692 | while (NS_SUCCEEDED(((bool)(__builtin_expect(!!(!NS_FAILED_impl(shEntry->ChildShellAt (itemIndex++, getter_AddRefs(item)))), 1))) |
| 1693 | shEntry->ChildShellAt(itemIndex++, getter_AddRefs(item)))((bool)(__builtin_expect(!!(!NS_FAILED_impl(shEntry->ChildShellAt (itemIndex++, getter_AddRefs(item)))), 1))) && |
| 1694 | item) { |
| 1695 | nsCOMPtr<nsIDocShell> shell = do_QueryInterface(item); |
| 1696 | DetachContainerRecurse(shell); |
| 1697 | } |
| 1698 | |
| 1699 | return NS_OK; |
| 1700 | } |
| 1701 | |
| 1702 | // The document was not put in the bfcache |
| 1703 | |
| 1704 | // Protect against pres shell destruction running scripts and re-entrantly |
| 1705 | // creating a new presentation. |
| 1706 | nsAutoScriptBlocker scriptBlocker; |
| 1707 | |
| 1708 | if (mPresShell) { |
| 1709 | DestroyPresShell(); |
| 1710 | } |
| 1711 | if (mDocument) { |
| 1712 | mDocument->Destroy(); |
| 1713 | mDocument = nullptr; |
| 1714 | } |
| 1715 | |
| 1716 | // All callers are supposed to call destroy to break circular |
| 1717 | // references. If we do this stuff in the destructor, the |
| 1718 | // destructor might never be called (especially if we're being |
| 1719 | // used from JS. |
| 1720 | |
| 1721 | #ifdef NS_PRINTING1 |
| 1722 | if (mPrintJob) { |
| 1723 | RefPtr<nsPrintJob> printJob = std::move(mPrintJob); |
| 1724 | # ifdef NS_PRINT_PREVIEW1 |
| 1725 | if (printJob->CreatedForPrintPreview()) { |
| 1726 | printJob->FinishPrintPreview(); |
| 1727 | } |
| 1728 | # endif |
| 1729 | printJob->Destroy(); |
| 1730 | MOZ_ASSERT(!mPrintJob,do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mPrintJob)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mPrintJob))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mPrintJob" " (" "mPrintJob shouldn't be recreated while destroying it" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1731); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mPrintJob" ") (" "mPrintJob shouldn't be recreated while destroying it" ")"); do { *((volatile int*)__null) = 1731; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 1731 | "mPrintJob shouldn't be recreated while destroying it")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mPrintJob)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mPrintJob))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mPrintJob" " (" "mPrintJob shouldn't be recreated while destroying it" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1731); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mPrintJob" ") (" "mPrintJob shouldn't be recreated while destroying it" ")"); do { *((volatile int*)__null) = 1731; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1732 | } |
| 1733 | #endif |
| 1734 | |
| 1735 | // Avoid leaking the old viewer. |
| 1736 | if (mPreviousViewer) { |
| 1737 | mPreviousViewer->Destroy(); |
| 1738 | mPreviousViewer = nullptr; |
| 1739 | } |
| 1740 | |
| 1741 | mDeviceContext = nullptr; |
| 1742 | |
| 1743 | if (mPresContext) { |
| 1744 | DestroyPresContext(); |
| 1745 | } |
| 1746 | |
| 1747 | mWindow = nullptr; |
| 1748 | mViewManager = nullptr; |
| 1749 | mContainer = WeakPtr<nsDocShell>(); |
| 1750 | |
| 1751 | return NS_OK; |
| 1752 | } |
| 1753 | |
| 1754 | NS_IMETHODIMPnsresult |
| 1755 | nsDocumentViewer::Stop(void) { |
| 1756 | NS_ASSERTION(mDocument, "Stop called too early or too late")do { if (!(mDocument)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Stop called too early or too late" , "mDocument", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1756); MOZ_PretendNoReturn(); } } while (0); |
| 1757 | if (mDocument) { |
| 1758 | mDocument->StopDocumentLoad(); |
| 1759 | } |
| 1760 | |
| 1761 | mStopped = true; |
| 1762 | |
| 1763 | if (!mLoaded && mPresShell) { |
| 1764 | // Well, we might as well paint what we have so far. |
| 1765 | RefPtr<PresShell> presShell = mPresShell; // bug 378682 |
| 1766 | presShell->UnsuppressPainting(); |
| 1767 | } |
| 1768 | |
| 1769 | return NS_OK; |
| 1770 | } |
| 1771 | |
| 1772 | NS_IMETHODIMPnsresult |
| 1773 | nsDocumentViewer::GetDOMDocument(Document** aResult) { |
| 1774 | NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE)do { if ((__builtin_expect(!!(!(mDocument)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mDocument" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1774); return NS_ERROR_NOT_AVAILABLE; } } while (false); |
| 1775 | nsCOMPtr<Document> document = mDocument; |
| 1776 | document.forget(aResult); |
| 1777 | return NS_OK; |
| 1778 | } |
| 1779 | |
| 1780 | Document* nsDocumentViewer::GetDocument() { return mDocument; } |
| 1781 | |
| 1782 | nsresult nsDocumentViewer::SetDocument(Document* aDocument) { |
| 1783 | // Assumptions: |
| 1784 | // |
| 1785 | // 1) this document viewer has been initialized with a call to Init(). |
| 1786 | // 2) the stylesheets associated with the document have been added |
| 1787 | // to the document. |
| 1788 | |
| 1789 | // XXX Right now, this method assumes that the layout of the current |
| 1790 | // document hasn't started yet. More cleanup will probably be |
| 1791 | // necessary to make this method work for the case when layout *has* |
| 1792 | // occurred for the current document. |
| 1793 | // That work can happen when and if it is needed. |
| 1794 | |
| 1795 | if (!aDocument) return NS_ERROR_NULL_POINTER; |
| 1796 | |
| 1797 | return SetDocumentInternal(aDocument, false); |
| 1798 | } |
| 1799 | |
| 1800 | NS_IMETHODIMPnsresult |
| 1801 | nsDocumentViewer::SetDocumentInternal(Document* aDocument, |
| 1802 | bool aForceReuseInnerWindow) { |
| 1803 | 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/layout/base/nsDocumentViewer.cpp" , 1803); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aDocument" ")" ); do { *((volatile int*)__null) = 1803; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1804 | |
| 1805 | // Set new container |
| 1806 | aDocument->SetContainer(mContainer); |
| 1807 | |
| 1808 | if (mDocument != aDocument) { |
| 1809 | if (aForceReuseInnerWindow) { |
| 1810 | // Transfer the navigation timing information to the new document, since |
| 1811 | // we're keeping the same inner and hence should really have the same |
| 1812 | // timing information. |
| 1813 | aDocument->SetNavigationTiming(mDocument->GetNavigationTiming()); |
| 1814 | } |
| 1815 | |
| 1816 | if (mDocument && |
| 1817 | (mDocument->IsStaticDocument() || aDocument->IsStaticDocument())) { |
| 1818 | nsContentUtils::AddScriptRunner(NewRunnableMethod( |
| 1819 | "Document::Destroy", mDocument, &Document::Destroy)); |
| 1820 | } |
| 1821 | |
| 1822 | // Clear the list of old child docshells. Child docshells for the new |
| 1823 | // document will be constructed as frames are created. |
| 1824 | if (!aDocument->IsStaticDocument()) { |
| 1825 | nsCOMPtr<nsIDocShell> node(mContainer); |
| 1826 | if (node) { |
| 1827 | int32_t count; |
| 1828 | node->GetInProcessChildCount(&count); |
| 1829 | for (int32_t i = 0; i < count; ++i) { |
| 1830 | nsCOMPtr<nsIDocShellTreeItem> child; |
| 1831 | node->GetInProcessChildAt(0, getter_AddRefs(child)); |
| 1832 | node->RemoveChild(child); |
| 1833 | } |
| 1834 | } |
| 1835 | } |
| 1836 | |
| 1837 | // Replace the old document with the new one. Do this only when |
| 1838 | // the new document really is a new document. |
| 1839 | mDocument = aDocument; |
| 1840 | |
| 1841 | // Set the script global object on the new document |
| 1842 | nsCOMPtr<nsPIDOMWindowOuter> window = |
| 1843 | mContainer ? mContainer->GetWindow() : nullptr; |
| 1844 | if (window) { |
| 1845 | nsresult rv = |
| 1846 | window->SetNewDocument(aDocument, nullptr, aForceReuseInnerWindow); |
| 1847 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 1848 | Destroy(); |
| 1849 | return rv; |
| 1850 | } |
| 1851 | } |
| 1852 | } |
| 1853 | |
| 1854 | nsresult rv = SyncParentSubDocMap(); |
| 1855 | 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/layout/base/nsDocumentViewer.cpp" , 1855); return rv; } } while (false); |
| 1856 | |
| 1857 | // Replace the current pres shell with a new shell for the new document |
| 1858 | |
| 1859 | // Protect against pres shell destruction running scripts and re-entrantly |
| 1860 | // creating a new presentation. |
| 1861 | nsAutoScriptBlocker scriptBlocker; |
| 1862 | |
| 1863 | if (mPresShell) { |
| 1864 | DestroyPresShell(); |
| 1865 | } |
| 1866 | |
| 1867 | if (mPresContext) { |
| 1868 | DestroyPresContext(); |
| 1869 | |
| 1870 | mWindow = nullptr; |
| 1871 | rv = InitInternal(mParentWidget, nullptr, nullptr, mBounds, true, true, |
| 1872 | false); |
| 1873 | } |
| 1874 | |
| 1875 | return rv; |
| 1876 | } |
| 1877 | |
| 1878 | PresShell* nsDocumentViewer::GetPresShell() { return mPresShell; } |
| 1879 | |
| 1880 | nsPresContext* nsDocumentViewer::GetPresContext() { return mPresContext; } |
| 1881 | |
| 1882 | nsViewManager* nsDocumentViewer::GetViewManager() { return mViewManager; } |
| 1883 | |
| 1884 | NS_IMETHODIMPnsresult |
| 1885 | nsDocumentViewer::GetBounds(nsIntRect& aResult) { |
| 1886 | NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE)do { if ((__builtin_expect(!!(!(mDocument)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mDocument" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1886); return NS_ERROR_NOT_AVAILABLE; } } while (false); |
| 1887 | aResult = mBounds; |
| 1888 | return NS_OK; |
| 1889 | } |
| 1890 | |
| 1891 | nsIDocumentViewer* nsDocumentViewer::GetPreviousViewer() { |
| 1892 | return mPreviousViewer; |
| 1893 | } |
| 1894 | |
| 1895 | void nsDocumentViewer::SetPreviousViewer(nsIDocumentViewer* aViewer) { |
| 1896 | // NOTE: |Show| sets |mPreviousViewer| to null without calling this |
| 1897 | // function. |
| 1898 | |
| 1899 | if (aViewer) { |
| 1900 | NS_ASSERTION(!mPreviousViewer,do { if (!(!mPreviousViewer)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "can't set previous viewer when there already is one", "!mPreviousViewer" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1901); MOZ_PretendNoReturn(); } } while (0) |
| 1901 | "can't set previous viewer when there already is one")do { if (!(!mPreviousViewer)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "can't set previous viewer when there already is one", "!mPreviousViewer" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1901); MOZ_PretendNoReturn(); } } while (0); |
| 1902 | |
| 1903 | // In a multiple chaining situation (which occurs when running a thrashing |
| 1904 | // test like i-bench or jrgm's tests with no delay), we can build up a |
| 1905 | // whole chain of viewers. In order to avoid this, we always set our |
| 1906 | // previous viewer to the MOST previous viewer in the chain, and then dump |
| 1907 | // the intermediate link from the chain. This ensures that at most only 2 |
| 1908 | // documents are alive and undestroyed at any given time (the one that is |
| 1909 | // showing and the one that is loading with painting suppressed). It's very |
| 1910 | // important that if this ever gets changed the code before the |
| 1911 | // RestorePresentation call in nsDocShell::InternalLoad be changed |
| 1912 | // accordingly. |
| 1913 | // |
| 1914 | // Make sure we hold a strong ref to prevViewer here, since we'll |
| 1915 | // tell aViewer to drop it. |
| 1916 | nsCOMPtr<nsIDocumentViewer> prevViewer = aViewer->GetPreviousViewer(); |
| 1917 | if (prevViewer) { |
| 1918 | aViewer->SetPreviousViewer(nullptr); |
| 1919 | aViewer->Destroy(); |
| 1920 | return SetPreviousViewer(prevViewer); |
| 1921 | } |
| 1922 | } |
| 1923 | |
| 1924 | mPreviousViewer = aViewer; |
| 1925 | } |
| 1926 | |
| 1927 | NS_IMETHODIMPnsresult |
| 1928 | nsDocumentViewer::SetBoundsWithFlags(const nsIntRect& aBounds, |
| 1929 | uint32_t aFlags) { |
| 1930 | NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE)do { if ((__builtin_expect(!!(!(mDocument)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mDocument" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1930); return NS_ERROR_NOT_AVAILABLE; } } while (false); |
| 1931 | |
| 1932 | bool boundsChanged = !mBounds.IsEqualEdges(aBounds); |
| 1933 | mBounds = aBounds; |
| 1934 | |
| 1935 | if (mWindow && !mAttachedToParent) { |
| 1936 | // Resize the widget, but don't trigger repaint. Layout will generate |
| 1937 | // repaint requests during reflow. |
| 1938 | mWindow->Resize(aBounds.x, aBounds.y, aBounds.width, aBounds.height, false); |
| 1939 | } else if (mPresContext && mViewManager) { |
| 1940 | // Ensure presContext's deviceContext is up to date, as we sometimes get |
| 1941 | // here before a resolution-change notification has been fully handled |
| 1942 | // during display configuration changes, especially when there are lots |
| 1943 | // of windows/widgets competing to handle the notifications. |
| 1944 | // (See bug 1154125.) |
| 1945 | if (mPresContext->DeviceContext()->CheckDPIChange()) { |
| 1946 | mPresContext->UIResolutionChangedSync(); |
| 1947 | } |
| 1948 | |
| 1949 | int32_t p2a = mPresContext->AppUnitsPerDevPixel(); |
| 1950 | nscoord width = NSIntPixelsToAppUnits(mBounds.width, p2a); |
| 1951 | nscoord height = NSIntPixelsToAppUnits(mBounds.height, p2a); |
| 1952 | nsView* rootView = mViewManager->GetRootView(); |
| 1953 | if (boundsChanged && rootView) { |
| 1954 | nsRect viewDims = rootView->GetDimensions(); |
| 1955 | // If the view/frame tree and prescontext visible area already has the new |
| 1956 | // size but we did not, then it's likely that we got reflowed in response |
| 1957 | // to a call to GetContentSize. Thus there is a disconnect between the |
| 1958 | // size on the document viewer/docshell/containing widget and view |
| 1959 | // tree/frame tree/prescontext visible area). SetWindowDimensions compares |
| 1960 | // to the root view dimenstions to determine if it needs to do anything; |
| 1961 | // if they are the same as the new size it won't do anything, but we still |
| 1962 | // need to invalidate because what we want to draw to the screen has |
| 1963 | // changed. |
| 1964 | if (viewDims.width == width && viewDims.height == height) { |
| 1965 | nsIFrame* f = rootView->GetFrame(); |
| 1966 | if (f) { |
| 1967 | f->InvalidateFrame(); |
| 1968 | } |
| 1969 | } |
| 1970 | } |
| 1971 | |
| 1972 | mViewManager->SetWindowDimensions( |
| 1973 | width, height, !!(aFlags & nsIDocumentViewer::eDelayResize)); |
| 1974 | } |
| 1975 | |
| 1976 | // If there's a previous viewer, it's the one that's actually showing, |
| 1977 | // so be sure to resize it as well so it paints over the right area. |
| 1978 | // This may slow down the performance of the new page load, but resize |
| 1979 | // during load is also probably a relatively unusual condition |
| 1980 | // relating to things being hidden while something is loaded. It so |
| 1981 | // happens that Firefox does this a good bit with its infobar, and it |
| 1982 | // looks ugly if we don't do this. |
| 1983 | if (mPreviousViewer) { |
| 1984 | nsCOMPtr<nsIDocumentViewer> previousViewer = mPreviousViewer; |
| 1985 | previousViewer->SetBounds(aBounds); |
| 1986 | } |
| 1987 | |
| 1988 | return NS_OK; |
| 1989 | } |
| 1990 | |
| 1991 | NS_IMETHODIMPnsresult |
| 1992 | nsDocumentViewer::SetBounds(const nsIntRect& aBounds) { |
| 1993 | return SetBoundsWithFlags(aBounds, 0); |
| 1994 | } |
| 1995 | |
| 1996 | NS_IMETHODIMPnsresult |
| 1997 | nsDocumentViewer::Move(int32_t aX, int32_t aY) { |
| 1998 | NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE)do { if ((__builtin_expect(!!(!(mDocument)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mDocument" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 1998); return NS_ERROR_NOT_AVAILABLE; } } while (false); |
| 1999 | mBounds.MoveTo(aX, aY); |
| 2000 | if (mWindow) { |
| 2001 | mWindow->Move(aX, aY); |
| 2002 | } |
| 2003 | return NS_OK; |
| 2004 | } |
| 2005 | |
| 2006 | NS_IMETHODIMPnsresult |
| 2007 | nsDocumentViewer::Show() { |
| 2008 | NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE)do { if ((__builtin_expect(!!(!(mDocument)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mDocument" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2008); return NS_ERROR_NOT_AVAILABLE; } } while (false); |
| 2009 | |
| 2010 | // We don't need the previous viewer anymore since we're not |
| 2011 | // displaying it. |
| 2012 | if (mPreviousViewer) { |
| 2013 | // This little dance *may* only be to keep |
| 2014 | // PresShell::EndObservingDocument happy, but I'm not sure. |
| 2015 | nsCOMPtr<nsIDocumentViewer> prevViewer(mPreviousViewer); |
| 2016 | mPreviousViewer = nullptr; |
| 2017 | prevViewer->Destroy(); |
| 2018 | |
| 2019 | // Make sure we don't have too many cached ContentViewers |
| 2020 | nsCOMPtr<nsIDocShellTreeItem> treeItem(mContainer); |
| 2021 | if (treeItem) { |
| 2022 | // We need to find the root DocShell since only that object has an |
| 2023 | // SHistory and we need the SHistory to evict content viewers |
| 2024 | nsCOMPtr<nsIDocShellTreeItem> root; |
| 2025 | treeItem->GetInProcessSameTypeRootTreeItem(getter_AddRefs(root)); |
| 2026 | nsCOMPtr<nsIWebNavigation> webNav = do_QueryInterface(root); |
| 2027 | RefPtr<ChildSHistory> history = webNav->GetSessionHistory(); |
| 2028 | if (!mozilla::SessionHistoryInParent() && history) { |
| 2029 | int32_t prevIndex, loadedIndex; |
| 2030 | nsCOMPtr<nsIDocShell> docShell = do_QueryInterface(treeItem); |
| 2031 | docShell->GetPreviousEntryIndex(&prevIndex); |
| 2032 | docShell->GetLoadedEntryIndex(&loadedIndex); |
| 2033 | MOZ_LOG(gPageCacheLog, LogLevel::Verbose,do { const ::mozilla::LogModule* moz_real_module = gPageCacheLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Verbose)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Verbose, "About to evict content viewers: prev=%d, loaded=%d" , prevIndex, loadedIndex); } } while (0) |
| 2034 | ("About to evict content viewers: prev=%d, loaded=%d",do { const ::mozilla::LogModule* moz_real_module = gPageCacheLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Verbose)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Verbose, "About to evict content viewers: prev=%d, loaded=%d" , prevIndex, loadedIndex); } } while (0) |
| 2035 | prevIndex, loadedIndex))do { const ::mozilla::LogModule* moz_real_module = gPageCacheLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Verbose)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Verbose, "About to evict content viewers: prev=%d, loaded=%d" , prevIndex, loadedIndex); } } while (0); |
| 2036 | history->LegacySHistory()->EvictOutOfRangeDocumentViewers(loadedIndex); |
| 2037 | } |
| 2038 | } |
| 2039 | } |
| 2040 | |
| 2041 | if (mWindow) { |
| 2042 | // When attached to a top level xul window, we do not need to call |
| 2043 | // Show on the widget. Underlying window management code handles |
| 2044 | // this when the window is initialized. |
| 2045 | if (!mAttachedToParent) { |
| 2046 | mWindow->Show(true); |
| 2047 | } |
| 2048 | } |
| 2049 | |
| 2050 | // Hold on to the document so we can use it after the script blocker below |
| 2051 | // has been released (which might re-entrantly call into other |
| 2052 | // nsDocumentViewer methods). |
| 2053 | nsCOMPtr<Document> document = mDocument; |
| 2054 | |
| 2055 | if (mDocument && !mPresShell) { |
| 2056 | // The InitPresentationStuff call below requires a script blocker, because |
| 2057 | // its PresShell::Initialize call can cause scripts to run and therefore |
| 2058 | // re-entrant calls to nsDocumentViewer methods to be made. |
| 2059 | nsAutoScriptBlocker scriptBlocker; |
| 2060 | |
| 2061 | NS_ASSERTION(!mWindow, "Window already created but no presshell?")do { if (!(!mWindow)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Window already created but no presshell?" , "!mWindow", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2061); MOZ_PretendNoReturn(); } } while (0); |
| 2062 | |
| 2063 | nsCOMPtr<nsIBaseWindow> base_win(mContainer); |
| 2064 | if (base_win) { |
| 2065 | base_win->GetParentWidget(&mParentWidget); |
| 2066 | if (mParentWidget) { |
| 2067 | // GetParentWidget AddRefs, but mParentWidget is weak |
| 2068 | mParentWidget->Release(); |
| 2069 | } |
| 2070 | } |
| 2071 | |
| 2072 | nsView* containerView = FindContainerView(); |
| 2073 | |
| 2074 | nsresult rv = CreateDeviceContext(containerView); |
| 2075 | 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/layout/base/nsDocumentViewer.cpp" , 2075); return rv; } } while (false); |
| 2076 | |
| 2077 | // Create presentation context |
| 2078 | NS_ASSERTION(!mPresContext,do { if (!(!mPresContext)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "Shouldn't have a prescontext if we have no shell!", "!mPresContext" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2079); MOZ_PretendNoReturn(); } } while (0) |
| 2079 | "Shouldn't have a prescontext if we have no shell!")do { if (!(!mPresContext)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "Shouldn't have a prescontext if we have no shell!", "!mPresContext" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2079); MOZ_PretendNoReturn(); } } while (0); |
| 2080 | mPresContext = CreatePresContext(mDocument, nsPresContext::eContext_Galley, |
| 2081 | containerView); |
| 2082 | NS_ENSURE_TRUE(mPresContext, NS_ERROR_OUT_OF_MEMORY)do { if ((__builtin_expect(!!(!(mPresContext)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mPresContext" ") failed" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2082); return NS_ERROR_OUT_OF_MEMORY; } } while (false); |
| 2083 | |
| 2084 | rv = mPresContext->Init(mDeviceContext); |
| 2085 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 2086 | mPresContext = nullptr; |
| 2087 | return rv; |
| 2088 | } |
| 2089 | |
| 2090 | rv = MakeWindow(nsSize(mPresContext->DevPixelsToAppUnits(mBounds.width), |
| 2091 | mPresContext->DevPixelsToAppUnits(mBounds.height)), |
| 2092 | containerView); |
| 2093 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) return rv; |
| 2094 | |
| 2095 | if (mPresContext) { |
| 2096 | Hide(); |
| 2097 | |
| 2098 | rv = InitPresentationStuff(mDocument->MayStartLayout()); |
Value stored to 'rv' is never read | |
| 2099 | } |
| 2100 | |
| 2101 | // If we get here the document load has already started and the |
| 2102 | // window is shown because some JS on the page caused it to be |
| 2103 | // shown... |
| 2104 | |
| 2105 | if (mPresShell) { |
| 2106 | RefPtr<PresShell> presShell = mPresShell; // bug 378682 |
| 2107 | presShell->UnsuppressPainting(); |
| 2108 | } |
| 2109 | } |
| 2110 | |
| 2111 | // Notify observers that a new page has been shown. This will get run |
| 2112 | // from the event loop after we actually draw the page. |
| 2113 | auto event = MakeRefPtr<nsDocumentShownDispatcher>(document); |
| 2114 | document->Dispatch(event.forget()); |
| 2115 | |
| 2116 | return NS_OK; |
| 2117 | } |
| 2118 | |
| 2119 | NS_IMETHODIMPnsresult |
| 2120 | nsDocumentViewer::Hide() { |
| 2121 | if (!mAttachedToParent && mWindow) { |
| 2122 | mWindow->Show(false); |
| 2123 | } |
| 2124 | |
| 2125 | if (!mPresShell) return NS_OK; |
| 2126 | |
| 2127 | NS_ASSERTION(mPresContext, "Can't have a presshell and no prescontext!")do { if (!(mPresContext)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "Can't have a presshell and no prescontext!", "mPresContext" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2127); MOZ_PretendNoReturn(); } } while (0); |
| 2128 | |
| 2129 | // Avoid leaking the old viewer. |
| 2130 | if (mPreviousViewer) { |
| 2131 | mPreviousViewer->Destroy(); |
| 2132 | mPreviousViewer = nullptr; |
| 2133 | } |
| 2134 | |
| 2135 | if (mIsSticky) { |
| 2136 | // This window is sticky, that means that it might be shown again |
| 2137 | // and we don't want the presshell n' all that to be thrown away |
| 2138 | // just because the window is hidden. |
| 2139 | |
| 2140 | return NS_OK; |
| 2141 | } |
| 2142 | |
| 2143 | nsCOMPtr<nsIDocShell> docShell(mContainer); |
| 2144 | if (docShell) { |
| 2145 | #ifdef DEBUG1 |
| 2146 | nsCOMPtr<nsIDocumentViewer> currentViewer; |
| 2147 | docShell->GetDocViewer(getter_AddRefs(currentViewer)); |
| 2148 | MOZ_ASSERT(currentViewer == this)do { static_assert( mozilla::detail::AssertionConditionType< decltype(currentViewer == this)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(currentViewer == this))), 0) )) { do { } while (false); MOZ_ReportAssertionFailure("currentViewer == this" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2148); AnnotateMozCrashReason("MOZ_ASSERT" "(" "currentViewer == this" ")"); do { *((volatile int*)__null) = 2148; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 2149 | #endif |
| 2150 | nsCOMPtr<nsILayoutHistoryState> layoutState; |
| 2151 | mPresShell->CaptureHistoryState(getter_AddRefs(layoutState)); |
| 2152 | } |
| 2153 | |
| 2154 | // Do not run ScriptRunners queued by DestroyPresShell() in the intermediate |
| 2155 | // state before we're done destroying PresShell, PresContext, ViewManager, |
| 2156 | // etc. |
| 2157 | nsAutoScriptBlocker scriptBlocker; |
| 2158 | |
| 2159 | DestroyPresShell(); |
| 2160 | |
| 2161 | DestroyPresContext(); |
| 2162 | |
| 2163 | mViewManager = nullptr; |
| 2164 | mWindow = nullptr; |
| 2165 | mDeviceContext = nullptr; |
| 2166 | mParentWidget = nullptr; |
| 2167 | |
| 2168 | nsCOMPtr<nsIBaseWindow> base_win(mContainer); |
| 2169 | |
| 2170 | if (base_win && !mAttachedToParent) { |
| 2171 | base_win->SetParentWidget(nullptr); |
| 2172 | } |
| 2173 | |
| 2174 | return NS_OK; |
| 2175 | } |
| 2176 | |
| 2177 | NS_IMETHODIMPnsresult |
| 2178 | nsDocumentViewer::GetSticky(bool* aSticky) { |
| 2179 | *aSticky = mIsSticky; |
| 2180 | |
| 2181 | return NS_OK; |
| 2182 | } |
| 2183 | |
| 2184 | NS_IMETHODIMPnsresult |
| 2185 | nsDocumentViewer::SetSticky(bool aSticky) { |
| 2186 | mIsSticky = aSticky; |
| 2187 | |
| 2188 | return NS_OK; |
| 2189 | } |
| 2190 | |
| 2191 | NS_IMETHODIMPnsresult |
| 2192 | nsDocumentViewer::ClearHistoryEntry() { |
| 2193 | if (mDocument) { |
| 2194 | nsJSContext::PokeGC(JS::GCReason::PAGE_HIDE, |
| 2195 | mDocument->GetWrapperPreserveColor(), |
| 2196 | TimeDuration::FromMilliseconds( |
| 2197 | StaticPrefs::javascript_options_gc_delay() * 2)); |
| 2198 | } |
| 2199 | |
| 2200 | mSHEntry = nullptr; |
| 2201 | return NS_OK; |
| 2202 | } |
| 2203 | |
| 2204 | //------------------------------------------------------- |
| 2205 | |
| 2206 | nsresult nsDocumentViewer::MakeWindow(const nsSize& aSize, |
| 2207 | nsView* aContainerView) { |
| 2208 | if (GetIsPrintPreview()) { |
| 2209 | return NS_OK; |
| 2210 | } |
| 2211 | |
| 2212 | bool shouldAttach = ShouldAttachToTopLevel(); |
| 2213 | |
| 2214 | if (shouldAttach) { |
| 2215 | // If the old view is already attached to our parent, detach |
| 2216 | DetachFromTopLevelWidget(); |
| 2217 | } |
| 2218 | |
| 2219 | mViewManager = new nsViewManager(); |
| 2220 | |
| 2221 | nsDeviceContext* dx = mPresContext->DeviceContext(); |
| 2222 | |
| 2223 | nsresult rv = mViewManager->Init(dx); |
| 2224 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) return rv; |
| 2225 | |
| 2226 | // The root view is always at 0,0. |
| 2227 | nsRect tbounds(nsPoint(0, 0), aSize); |
| 2228 | // Create a view |
| 2229 | nsView* view = mViewManager->CreateView(tbounds, aContainerView); |
| 2230 | if (!view) return NS_ERROR_OUT_OF_MEMORY; |
| 2231 | |
| 2232 | // Create a widget if we were given a parent widget or don't have a |
| 2233 | // container view that we can hook up to without a widget. |
| 2234 | // Don't create widgets for ResourceDocs (external resources & svg images), |
| 2235 | // because when they're displayed, they're painted into *another* document's |
| 2236 | // widget. |
| 2237 | if (!mDocument->IsResourceDoc() && (mParentWidget || !aContainerView)) { |
| 2238 | // pass in a native widget to be the parent widget ONLY if the view |
| 2239 | // hierarchy will stand alone. otherwise the view will find its own parent |
| 2240 | // widget and "do the right thing" to establish a parent/child widget |
| 2241 | // relationship |
| 2242 | widget::InitData initData; |
| 2243 | widget::InitData* initDataPtr; |
| 2244 | if (!mParentWidget) { |
| 2245 | initDataPtr = &initData; |
| 2246 | initData.mWindowType = widget::WindowType::Invisible; |
| 2247 | } else { |
| 2248 | initDataPtr = nullptr; |
| 2249 | } |
| 2250 | |
| 2251 | if (shouldAttach) { |
| 2252 | // Reuse the top level parent widget. |
| 2253 | rv = view->AttachToTopLevelWidget(mParentWidget); |
| 2254 | mAttachedToParent = true; |
| 2255 | } else if (!aContainerView && mParentWidget) { |
| 2256 | rv = view->CreateWidgetForParent(mParentWidget, initDataPtr, true, false); |
| 2257 | } else { |
| 2258 | rv = view->CreateWidget(initDataPtr, true, false); |
| 2259 | } |
| 2260 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) return rv; |
| 2261 | } |
| 2262 | |
| 2263 | // Setup hierarchical relationship in view manager |
| 2264 | mViewManager->SetRootView(view); |
| 2265 | |
| 2266 | mWindow = view->GetWidget(); |
| 2267 | |
| 2268 | // This SetFocus is necessary so the Arrow Key and Page Key events |
| 2269 | // go to the scrolled view as soon as the Window is created instead of going |
| 2270 | // to the browser window (this enables keyboard scrolling of the document) |
| 2271 | // mWindow->SetFocus(); |
| 2272 | |
| 2273 | return rv; |
| 2274 | } |
| 2275 | |
| 2276 | void nsDocumentViewer::DetachFromTopLevelWidget() { |
| 2277 | if (mViewManager) { |
| 2278 | nsView* oldView = mViewManager->GetRootView(); |
| 2279 | if (oldView && oldView->IsAttachedToTopLevel()) { |
| 2280 | oldView->DetachFromTopLevelWidget(); |
| 2281 | } |
| 2282 | } |
| 2283 | mAttachedToParent = false; |
| 2284 | } |
| 2285 | |
| 2286 | nsView* nsDocumentViewer::FindContainerView() { |
| 2287 | if (!mContainer) { |
| 2288 | return nullptr; |
| 2289 | } |
| 2290 | |
| 2291 | nsCOMPtr<nsIDocShell> docShell(mContainer); |
| 2292 | nsCOMPtr<nsPIDOMWindowOuter> pwin(docShell->GetWindow()); |
| 2293 | if (!pwin) { |
| 2294 | return nullptr; |
| 2295 | } |
| 2296 | |
| 2297 | nsCOMPtr<Element> containerElement = pwin->GetFrameElementInternal(); |
| 2298 | if (!containerElement) { |
| 2299 | return nullptr; |
| 2300 | } |
| 2301 | |
| 2302 | nsIFrame* subdocFrame = containerElement->GetPrimaryFrame(); |
| 2303 | if (!subdocFrame) { |
| 2304 | // XXX Silenced by default in bug 1175289 |
| 2305 | LAYOUT_WARNING("Subdocument container has no frame")do { if ((__builtin_expect(!!(mozilla::detail::log_test(sLayoutLog , mozilla::LogLevel::Warning)), 0))) { mozilla::detail::LayoutLogWarning ("Subdocument container has no frame", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2305); } } while (0); |
| 2306 | return nullptr; |
| 2307 | } |
| 2308 | |
| 2309 | // Check subdocFrame just to be safe. If this somehow fails we treat that as |
| 2310 | // display:none, the document is not displayed. |
| 2311 | if (!subdocFrame->IsSubDocumentFrame()) { |
| 2312 | NS_WARNING_ASSERTION(subdocFrame->Type() == LayoutFrameType::None,do { if (!(subdocFrame->Type() == LayoutFrameType::None)) { NS_DebugBreak(NS_DEBUG_WARNING, "Subdocument container has non-subdocument frame" , "subdocFrame->Type() == LayoutFrameType::None", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2313); } } while (false) |
| 2313 | "Subdocument container has non-subdocument frame")do { if (!(subdocFrame->Type() == LayoutFrameType::None)) { NS_DebugBreak(NS_DEBUG_WARNING, "Subdocument container has non-subdocument frame" , "subdocFrame->Type() == LayoutFrameType::None", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2313); } } while (false); |
| 2314 | return nullptr; |
| 2315 | } |
| 2316 | |
| 2317 | NS_ASSERTION(subdocFrame->GetView(), "Subdoc frames must have views")do { if (!(subdocFrame->GetView())) { NS_DebugBreak(NS_DEBUG_ASSERTION , "Subdoc frames must have views", "subdocFrame->GetView()" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2317); MOZ_PretendNoReturn(); } } while (0); |
| 2318 | return static_cast<nsSubDocumentFrame*>(subdocFrame)->EnsureInnerView(); |
| 2319 | } |
| 2320 | |
| 2321 | nsresult nsDocumentViewer::CreateDeviceContext(nsView* aContainerView) { |
| 2322 | MOZ_ASSERT(!mPresShell && !mWindow,do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mPresShell && !mWindow)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mPresShell && !mWindow ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "!mPresShell && !mWindow" " (" "This will screw up our existing presentation" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2323); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mPresShell && !mWindow" ") (" "This will screw up our existing presentation" ")"); do { *((volatile int*)__null) = 2323; __attribute__((nomerge)) :: abort(); } while (false); } } while (false) |
| 2323 | "This will screw up our existing presentation")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mPresShell && !mWindow)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mPresShell && !mWindow ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "!mPresShell && !mWindow" " (" "This will screw up our existing presentation" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2323); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mPresShell && !mWindow" ") (" "This will screw up our existing presentation" ")"); do { *((volatile int*)__null) = 2323; __attribute__((nomerge)) :: abort(); } while (false); } } while (false); |
| 2324 | MOZ_ASSERT(mDocument, "Gotta have a document here")do { static_assert( mozilla::detail::AssertionConditionType< decltype(mDocument)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mDocument))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mDocument" " (" "Gotta have a document here" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2324); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mDocument" ") (" "Gotta have a document here" ")"); do { *((volatile int*)__null ) = 2324; __attribute__((nomerge)) ::abort(); } while (false) ; } } while (false); |
| 2325 | |
| 2326 | Document* doc = mDocument->GetDisplayDocument(); |
| 2327 | if (doc) { |
| 2328 | NS_ASSERTION(!aContainerView,do { if (!(!aContainerView)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "External resource document embedded somewhere?", "!aContainerView" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2329); MOZ_PretendNoReturn(); } } while (0) |
| 2329 | "External resource document embedded somewhere?")do { if (!(!aContainerView)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "External resource document embedded somewhere?", "!aContainerView" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2329); MOZ_PretendNoReturn(); } } while (0); |
| 2330 | // We want to use our display document's device context if possible |
| 2331 | nsPresContext* ctx = doc->GetPresContext(); |
| 2332 | if (ctx) { |
| 2333 | mDeviceContext = ctx->DeviceContext(); |
| 2334 | return NS_OK; |
| 2335 | } |
| 2336 | } |
| 2337 | |
| 2338 | // Create a device context even if we already have one, since our widget |
| 2339 | // might have changed. |
| 2340 | nsIWidget* widget = nullptr; |
| 2341 | if (aContainerView) { |
| 2342 | widget = aContainerView->GetNearestWidget(nullptr); |
| 2343 | } |
| 2344 | if (!widget) { |
| 2345 | widget = mParentWidget; |
| 2346 | } |
| 2347 | if (widget) { |
| 2348 | widget = widget->GetTopLevelWidget(); |
| 2349 | } |
| 2350 | |
| 2351 | mDeviceContext = new nsDeviceContext(); |
| 2352 | mDeviceContext->Init(widget); |
| 2353 | return NS_OK; |
| 2354 | } |
| 2355 | |
| 2356 | // Return the selection for the document. Note that text fields have their |
| 2357 | // own selection, which cannot be accessed with this method. |
| 2358 | mozilla::dom::Selection* nsDocumentViewer::GetDocumentSelection() { |
| 2359 | if (!mPresShell) { |
| 2360 | return nullptr; |
| 2361 | } |
| 2362 | |
| 2363 | return mPresShell->GetCurrentSelection(SelectionType::eNormal); |
| 2364 | } |
| 2365 | |
| 2366 | /* ============================================================================ |
| 2367 | * nsIDocumentViewerEdit |
| 2368 | * ============================================================================ |
| 2369 | */ |
| 2370 | |
| 2371 | MOZ_CAN_RUN_SCRIPT_BOUNDARY NS_IMETHODIMPnsresult nsDocumentViewer::ClearSelection() { |
| 2372 | // use nsCopySupport::GetSelectionForCopy() ? |
| 2373 | RefPtr<mozilla::dom::Selection> selection = GetDocumentSelection(); |
| 2374 | if (!selection) { |
| 2375 | return NS_ERROR_FAILURE; |
| 2376 | } |
| 2377 | |
| 2378 | ErrorResult rv; |
| 2379 | selection->CollapseToStart(rv); |
| 2380 | return rv.StealNSResult(); |
| 2381 | } |
| 2382 | |
| 2383 | MOZ_CAN_RUN_SCRIPT_BOUNDARY NS_IMETHODIMPnsresult nsDocumentViewer::SelectAll() { |
| 2384 | // XXX this is a temporary implementation copied from nsWebShell |
| 2385 | // for now. I think Document and friends should have some helper |
| 2386 | // functions to make this easier. |
| 2387 | |
| 2388 | // use nsCopySupport::GetSelectionForCopy() ? |
| 2389 | RefPtr<mozilla::dom::Selection> selection = GetDocumentSelection(); |
| 2390 | if (!selection) { |
| 2391 | return NS_ERROR_FAILURE; |
| 2392 | } |
| 2393 | |
| 2394 | if (!mDocument) { |
| 2395 | return NS_ERROR_FAILURE; |
| 2396 | } |
| 2397 | |
| 2398 | nsCOMPtr<nsINode> bodyNode; |
| 2399 | if (mDocument->IsHTMLOrXHTML()) { |
| 2400 | // XXXbz why not just do GetBody() for all documents, then GetRootElement() |
| 2401 | // if GetBody() is null? |
| 2402 | bodyNode = mDocument->GetBody(); |
| 2403 | } else { |
| 2404 | bodyNode = mDocument->GetRootElement(); |
| 2405 | } |
| 2406 | if (!bodyNode) return NS_ERROR_FAILURE; |
| 2407 | |
| 2408 | ErrorResult err; |
| 2409 | selection->RemoveAllRanges(err); |
| 2410 | if (err.Failed()) { |
| 2411 | return err.StealNSResult(); |
| 2412 | } |
| 2413 | |
| 2414 | mozilla::dom::Selection::AutoUserInitiated userSelection(selection); |
| 2415 | selection->SelectAllChildren(*bodyNode, err); |
| 2416 | return err.StealNSResult(); |
| 2417 | } |
| 2418 | |
| 2419 | NS_IMETHODIMPnsresult nsDocumentViewer::CopySelection() { |
| 2420 | RefPtr<PresShell> presShell = mPresShell; |
| 2421 | nsCopySupport::FireClipboardEvent(eCopy, nsIClipboard::kGlobalClipboard, |
| 2422 | presShell, nullptr); |
| 2423 | return NS_OK; |
| 2424 | } |
| 2425 | |
| 2426 | NS_IMETHODIMPnsresult nsDocumentViewer::CopyLinkLocation() { |
| 2427 | NS_ENSURE_TRUE(mPresShell, NS_ERROR_NOT_INITIALIZED)do { if ((__builtin_expect(!!(!(mPresShell)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mPresShell" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2427); return NS_ERROR_NOT_INITIALIZED; } } while (false); |
| 2428 | nsCOMPtr<nsINode> node = GetPopupLinkNode(); |
| 2429 | // make noise if we're not in a link |
| 2430 | NS_ENSURE_TRUE(node, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(node)), 0))) { NS_DebugBreak( NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "node" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2430); return NS_ERROR_FAILURE; } } while (false); |
| 2431 | |
| 2432 | nsCOMPtr<dom::Element> elm(do_QueryInterface(node)); |
| 2433 | NS_ENSURE_TRUE(elm, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(elm)), 0))) { NS_DebugBreak(NS_DEBUG_WARNING , "NS_ENSURE_TRUE(" "elm" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2433); return NS_ERROR_FAILURE; } } while (false); |
| 2434 | |
| 2435 | nsAutoString locationText; |
| 2436 | nsContentUtils::GetLinkLocation(elm, locationText); |
| 2437 | if (locationText.IsEmpty()) return NS_ERROR_FAILURE; |
| 2438 | |
| 2439 | nsresult rv = NS_OK; |
| 2440 | nsCOMPtr<nsIClipboardHelper> clipboard( |
| 2441 | do_GetService("@mozilla.org/widget/clipboardhelper;1", &rv)); |
| 2442 | 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/layout/base/nsDocumentViewer.cpp" , 2442); return rv; } } while (false); |
| 2443 | |
| 2444 | // copy the href onto the clipboard |
| 2445 | return clipboard->CopyString(locationText, mDocument->GetWindowContext()); |
| 2446 | } |
| 2447 | |
| 2448 | NS_IMETHODIMPnsresult nsDocumentViewer::CopyImage(int32_t aCopyFlags) { |
| 2449 | NS_ENSURE_TRUE(mPresShell, NS_ERROR_NOT_INITIALIZED)do { if ((__builtin_expect(!!(!(mPresShell)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mPresShell" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2449); return NS_ERROR_NOT_INITIALIZED; } } while (false); |
| 2450 | nsCOMPtr<nsIImageLoadingContent> node = GetPopupImageNode(); |
| 2451 | // make noise if we're not in an image |
| 2452 | NS_ENSURE_TRUE(node, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(node)), 0))) { NS_DebugBreak( NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "node" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2452); return NS_ERROR_FAILURE; } } while (false); |
| 2453 | |
| 2454 | nsCOMPtr<nsILoadContext> loadContext(mContainer); |
| 2455 | return nsCopySupport::ImageCopy(node, loadContext, aCopyFlags, |
| 2456 | mDocument->GetWindowContext()); |
| 2457 | } |
| 2458 | |
| 2459 | NS_IMETHODIMPnsresult nsDocumentViewer::GetCopyable(bool* aCopyable) { |
| 2460 | NS_ENSURE_ARG_POINTER(aCopyable)do { if ((__builtin_expect(!!(!(aCopyable)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "aCopyable" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2460); return NS_ERROR_INVALID_POINTER; } } while (false); |
| 2461 | *aCopyable = nsCopySupport::CanCopy(mDocument); |
| 2462 | return NS_OK; |
| 2463 | } |
| 2464 | |
| 2465 | NS_IMETHODIMPnsresult nsDocumentViewer::GetContents(const char* mimeType, |
| 2466 | bool selectionOnly, |
| 2467 | nsAString& aOutValue) { |
| 2468 | aOutValue.Truncate(); |
| 2469 | |
| 2470 | NS_ENSURE_TRUE(mPresShell, NS_ERROR_NOT_INITIALIZED)do { if ((__builtin_expect(!!(!(mPresShell)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mPresShell" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2470); return NS_ERROR_NOT_INITIALIZED; } } while (false); |
| 2471 | NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_INITIALIZED)do { if ((__builtin_expect(!!(!(mDocument)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mDocument" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2471); return NS_ERROR_NOT_INITIALIZED; } } while (false); |
| 2472 | |
| 2473 | // Now we have the selection. Make sure it's nonzero: |
| 2474 | RefPtr<Selection> sel; |
| 2475 | if (selectionOnly) { |
| 2476 | sel = nsCopySupport::GetSelectionForCopy(mDocument); |
| 2477 | NS_ENSURE_TRUE(sel, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(sel)), 0))) { NS_DebugBreak(NS_DEBUG_WARNING , "NS_ENSURE_TRUE(" "sel" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2477); return NS_ERROR_FAILURE; } } while (false); |
| 2478 | |
| 2479 | if (NS_WARN_IF(sel->IsCollapsed())NS_warn_if_impl(sel->IsCollapsed(), "sel->IsCollapsed()" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2479)) { |
| 2480 | return NS_OK; |
| 2481 | } |
| 2482 | } |
| 2483 | |
| 2484 | // call the copy code |
| 2485 | return nsCopySupport::GetContents(nsDependentCString(mimeType), 0, sel, |
| 2486 | mDocument, aOutValue); |
| 2487 | } |
| 2488 | |
| 2489 | NS_IMETHODIMPnsresult nsDocumentViewer::GetCanGetContents(bool* aCanGetContents) { |
| 2490 | NS_ENSURE_ARG_POINTER(aCanGetContents)do { if ((__builtin_expect(!!(!(aCanGetContents)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "aCanGetContents" ") failed" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2490); return NS_ERROR_INVALID_POINTER; } } while (false); |
| 2491 | *aCanGetContents = false; |
| 2492 | NS_ENSURE_STATE(mDocument)do { if ((__builtin_expect(!!(!(mDocument)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mDocument" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2492); return NS_ERROR_UNEXPECTED; } } while (false); |
| 2493 | *aCanGetContents = nsCopySupport::CanCopy(mDocument); |
| 2494 | return NS_OK; |
| 2495 | } |
| 2496 | |
| 2497 | NS_IMETHODIMPnsresult nsDocumentViewer::SetCommandNode(nsINode* aNode) { |
| 2498 | Document* document = GetDocument(); |
| 2499 | NS_ENSURE_STATE(document)do { if ((__builtin_expect(!!(!(document)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "document" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2499); return NS_ERROR_UNEXPECTED; } } while (false); |
| 2500 | |
| 2501 | nsCOMPtr<nsPIDOMWindowOuter> window(document->GetWindow()); |
| 2502 | NS_ENSURE_TRUE(window, NS_ERROR_NOT_AVAILABLE)do { if ((__builtin_expect(!!(!(window)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "window" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2502); return NS_ERROR_NOT_AVAILABLE; } } while (false); |
| 2503 | |
| 2504 | nsCOMPtr<nsPIWindowRoot> root = window->GetTopWindowRoot(); |
| 2505 | NS_ENSURE_STATE(root)do { if ((__builtin_expect(!!(!(root)), 0))) { NS_DebugBreak( NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "root" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2505); return NS_ERROR_UNEXPECTED; } } while (false); |
| 2506 | |
| 2507 | root->SetPopupNode(aNode); |
| 2508 | return NS_OK; |
| 2509 | } |
| 2510 | |
| 2511 | NS_IMETHODIMPnsresult |
| 2512 | nsDocumentViewer::GetDeviceFullZoomForTest(float* aDeviceFullZoom) { |
| 2513 | NS_ENSURE_ARG_POINTER(aDeviceFullZoom)do { if ((__builtin_expect(!!(!(aDeviceFullZoom)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "aDeviceFullZoom" ") failed" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2513); return NS_ERROR_INVALID_POINTER; } } while (false); |
| 2514 | nsPresContext* pc = GetPresContext(); |
| 2515 | *aDeviceFullZoom = pc ? pc->GetDeviceFullZoom() : 1.0; |
| 2516 | return NS_OK; |
| 2517 | } |
| 2518 | |
| 2519 | NS_IMETHODIMPnsresult |
| 2520 | nsDocumentViewer::SetAuthorStyleDisabled(bool aStyleDisabled) { |
| 2521 | if (mPresShell) { |
| 2522 | mPresShell->SetAuthorStyleDisabled(aStyleDisabled); |
| 2523 | } |
| 2524 | return NS_OK; |
| 2525 | } |
| 2526 | |
| 2527 | NS_IMETHODIMPnsresult |
| 2528 | nsDocumentViewer::GetAuthorStyleDisabled(bool* aStyleDisabled) { |
| 2529 | if (mPresShell) { |
| 2530 | *aStyleDisabled = mPresShell->GetAuthorStyleDisabled(); |
| 2531 | } else { |
| 2532 | *aStyleDisabled = false; |
| 2533 | } |
| 2534 | return NS_OK; |
| 2535 | } |
| 2536 | |
| 2537 | /* [noscript,notxpcom] Encoding getHintCharset (); */ |
| 2538 | NS_IMETHODIMP_(const Encoding*)const Encoding* |
| 2539 | nsDocumentViewer::GetReloadEncodingAndSource(int32_t* aSource) { |
| 2540 | *aSource = mReloadEncodingSource; |
| 2541 | if (kCharsetUninitialized == mReloadEncodingSource) { |
| 2542 | return nullptr; |
| 2543 | } |
| 2544 | return mReloadEncoding; |
| 2545 | } |
| 2546 | |
| 2547 | NS_IMETHODIMP_(void)void |
| 2548 | nsDocumentViewer::SetReloadEncodingAndSource(const Encoding* aEncoding, |
| 2549 | int32_t aSource) { |
| 2550 | MOZ_ASSERT(do { static_assert( mozilla::detail::AssertionConditionType< decltype(aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII ) || aSource == kCharsetFromFinalUserForcedAutoDetection)> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII ) || aSource == kCharsetFromFinalUserForcedAutoDetection))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII) || aSource == kCharsetFromFinalUserForcedAutoDetection" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2556); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII) || aSource == kCharsetFromFinalUserForcedAutoDetection" ")"); do { *((volatile int*)__null) = 2556; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 2551 | aSource == kCharsetUninitialized ||do { static_assert( mozilla::detail::AssertionConditionType< decltype(aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII ) || aSource == kCharsetFromFinalUserForcedAutoDetection)> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII ) || aSource == kCharsetFromFinalUserForcedAutoDetection))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII) || aSource == kCharsetFromFinalUserForcedAutoDetection" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2556); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII) || aSource == kCharsetFromFinalUserForcedAutoDetection" ")"); do { *((volatile int*)__null) = 2556; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 2552 | (aSource >=do { static_assert( mozilla::detail::AssertionConditionType< decltype(aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII ) || aSource == kCharsetFromFinalUserForcedAutoDetection)> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII ) || aSource == kCharsetFromFinalUserForcedAutoDetection))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII) || aSource == kCharsetFromFinalUserForcedAutoDetection" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2556); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII) || aSource == kCharsetFromFinalUserForcedAutoDetection" ")"); do { *((volatile int*)__null) = 2556; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 2553 | kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII &&do { static_assert( mozilla::detail::AssertionConditionType< decltype(aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII ) || aSource == kCharsetFromFinalUserForcedAutoDetection)> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII ) || aSource == kCharsetFromFinalUserForcedAutoDetection))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII) || aSource == kCharsetFromFinalUserForcedAutoDetection" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2556); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII) || aSource == kCharsetFromFinalUserForcedAutoDetection" ")"); do { *((volatile int*)__null) = 2556; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 2554 | aSource <=do { static_assert( mozilla::detail::AssertionConditionType< decltype(aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII ) || aSource == kCharsetFromFinalUserForcedAutoDetection)> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII ) || aSource == kCharsetFromFinalUserForcedAutoDetection))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII) || aSource == kCharsetFromFinalUserForcedAutoDetection" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2556); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII) || aSource == kCharsetFromFinalUserForcedAutoDetection" ")"); do { *((volatile int*)__null) = 2556; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 2555 | kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII) ||do { static_assert( mozilla::detail::AssertionConditionType< decltype(aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII ) || aSource == kCharsetFromFinalUserForcedAutoDetection)> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII ) || aSource == kCharsetFromFinalUserForcedAutoDetection))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII) || aSource == kCharsetFromFinalUserForcedAutoDetection" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2556); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII) || aSource == kCharsetFromFinalUserForcedAutoDetection" ")"); do { *((volatile int*)__null) = 2556; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 2556 | aSource == kCharsetFromFinalUserForcedAutoDetection)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII ) || aSource == kCharsetFromFinalUserForcedAutoDetection)> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII ) || aSource == kCharsetFromFinalUserForcedAutoDetection))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII) || aSource == kCharsetFromFinalUserForcedAutoDetection" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2556); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aSource == kCharsetUninitialized || (aSource >= kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8InitialWasASCII && aSource <= kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLDInitialWasASCII) || aSource == kCharsetFromFinalUserForcedAutoDetection" ")"); do { *((volatile int*)__null) = 2556; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 2557 | mReloadEncoding = aEncoding; |
| 2558 | mReloadEncodingSource = aSource; |
| 2559 | } |
| 2560 | |
| 2561 | NS_IMETHODIMP_(void)void |
| 2562 | nsDocumentViewer::ForgetReloadEncoding() { |
| 2563 | mReloadEncoding = nullptr; |
| 2564 | mReloadEncodingSource = kCharsetUninitialized; |
| 2565 | } |
| 2566 | |
| 2567 | MOZ_CAN_RUN_SCRIPT_BOUNDARY NS_IMETHODIMPnsresult nsDocumentViewer::GetContentSize( |
| 2568 | int32_t aMaxWidth, int32_t aMaxHeight, int32_t aPrefWidth, int32_t* aWidth, |
| 2569 | int32_t* aHeight) { |
| 2570 | NS_ENSURE_STATE(mContainer)do { if ((__builtin_expect(!!(!(mContainer)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mContainer" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2570); return NS_ERROR_UNEXPECTED; } } while (false); |
| 2571 | |
| 2572 | RefPtr<BrowsingContext> bc = mContainer->GetBrowsingContext(); |
| 2573 | NS_ENSURE_TRUE(bc, NS_ERROR_NOT_AVAILABLE)do { if ((__builtin_expect(!!(!(bc)), 0))) { NS_DebugBreak(NS_DEBUG_WARNING , "NS_ENSURE_TRUE(" "bc" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2573); return NS_ERROR_NOT_AVAILABLE; } } while (false); |
| 2574 | |
| 2575 | // It's only valid to access this from a top frame. Doesn't work from |
| 2576 | // sub-frames. |
| 2577 | NS_ENSURE_TRUE(bc->IsTop(), NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(bc->IsTop())), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "bc->IsTop()" ") failed" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2577); return NS_ERROR_FAILURE; } } while (false); |
| 2578 | |
| 2579 | // Convert max-width/height and pref-width to app units. |
| 2580 | if (aMaxWidth > 0) { |
| 2581 | aMaxWidth = CSSPixel::ToAppUnits(aMaxWidth); |
| 2582 | } else { |
| 2583 | aMaxWidth = NS_UNCONSTRAINEDSIZE; |
| 2584 | } |
| 2585 | if (aMaxHeight > 0) { |
| 2586 | aMaxHeight = CSSPixel::ToAppUnits(aMaxHeight); |
| 2587 | } else { |
| 2588 | aMaxHeight = NS_UNCONSTRAINEDSIZE; |
| 2589 | } |
| 2590 | if (aPrefWidth > 0) { |
| 2591 | aPrefWidth = CSSPixel::ToAppUnits(aPrefWidth); |
| 2592 | } else { |
| 2593 | aPrefWidth = 0; |
| 2594 | } |
| 2595 | |
| 2596 | RefPtr<PresShell> presShell = GetPresShell(); |
| 2597 | NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(presShell)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "presShell" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2597); return NS_ERROR_FAILURE; } } while (false); |
| 2598 | |
| 2599 | // Flush out all content and style updates. We can't use a resize reflow |
| 2600 | // because it won't change some sizes that a style change reflow will. |
| 2601 | mDocument->FlushPendingNotifications(FlushType::Layout); |
| 2602 | |
| 2603 | nsIFrame* root = presShell->GetRootFrame(); |
| 2604 | NS_ENSURE_TRUE(root, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(root)), 0))) { NS_DebugBreak( NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "root" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2604); return NS_ERROR_FAILURE; } } while (false); |
| 2605 | |
| 2606 | WritingMode wm = root->GetWritingMode(); |
| 2607 | |
| 2608 | nscoord prefISize; |
| 2609 | { |
| 2610 | const auto& constraints = presShell->GetWindowSizeConstraints(); |
| 2611 | aMaxHeight = std::min(aMaxHeight, constraints.mMaxSize.height); |
| 2612 | aMaxWidth = std::min(aMaxWidth, constraints.mMaxSize.width); |
| 2613 | |
| 2614 | UniquePtr<gfxContext> rcx(presShell->CreateReferenceRenderingContext()); |
| 2615 | const nscoord minISize = wm.IsVertical() ? constraints.mMinSize.height |
| 2616 | : constraints.mMinSize.width; |
| 2617 | const nscoord maxISize = wm.IsVertical() ? aMaxHeight : aMaxWidth; |
| 2618 | if (aPrefWidth) { |
| 2619 | prefISize = std::max(root->GetMinISize(rcx.get()), aPrefWidth); |
| 2620 | } else { |
| 2621 | prefISize = root->GetPrefISize(rcx.get()); |
| 2622 | } |
| 2623 | prefISize = nsPresContext::RoundUpAppUnitsToCSSPixel( |
| 2624 | std::max(minISize, std::min(prefISize, maxISize))); |
| 2625 | } |
| 2626 | |
| 2627 | // We should never intentionally get here with this sentinel value, but it's |
| 2628 | // possible that a document with huge sizes might inadvertently have a |
| 2629 | // prefISize that exactly matches NS_UNCONSTRAINEDSIZE. |
| 2630 | // Just bail if that happens. |
| 2631 | NS_ENSURE_TRUE(prefISize != NS_UNCONSTRAINEDSIZE, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(prefISize != NS_UNCONSTRAINEDSIZE )), 0))) { NS_DebugBreak(NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "prefISize != NS_UNCONSTRAINEDSIZE" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2631); return NS_ERROR_FAILURE; } } while (false); |
| 2632 | |
| 2633 | nscoord height = wm.IsVertical() ? prefISize : aMaxHeight; |
| 2634 | nscoord width = wm.IsVertical() ? aMaxWidth : prefISize; |
| 2635 | |
| 2636 | presShell->ResizeReflow(width, height, ResizeReflowOptions::BSizeLimit); |
| 2637 | |
| 2638 | RefPtr<nsPresContext> presContext = GetPresContext(); |
| 2639 | NS_ENSURE_TRUE(presContext, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(presContext)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "presContext" ") failed" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2639); return NS_ERROR_FAILURE; } } while (false); |
| 2640 | |
| 2641 | // Protect against bogus returns here |
| 2642 | nsRect shellArea = presContext->GetVisibleArea(); |
| 2643 | NS_ENSURE_TRUE(shellArea.width != NS_UNCONSTRAINEDSIZE &&do { if ((__builtin_expect(!!(!(shellArea.width != NS_UNCONSTRAINEDSIZE && shellArea.height != NS_UNCONSTRAINEDSIZE)), 0))) { NS_DebugBreak(NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "shellArea.width != NS_UNCONSTRAINEDSIZE && shellArea.height != NS_UNCONSTRAINEDSIZE" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2645); return NS_ERROR_FAILURE; } } while (false) |
| 2644 | shellArea.height != NS_UNCONSTRAINEDSIZE,do { if ((__builtin_expect(!!(!(shellArea.width != NS_UNCONSTRAINEDSIZE && shellArea.height != NS_UNCONSTRAINEDSIZE)), 0))) { NS_DebugBreak(NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "shellArea.width != NS_UNCONSTRAINEDSIZE && shellArea.height != NS_UNCONSTRAINEDSIZE" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2645); return NS_ERROR_FAILURE; } } while (false) |
| 2645 | NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(shellArea.width != NS_UNCONSTRAINEDSIZE && shellArea.height != NS_UNCONSTRAINEDSIZE)), 0))) { NS_DebugBreak(NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "shellArea.width != NS_UNCONSTRAINEDSIZE && shellArea.height != NS_UNCONSTRAINEDSIZE" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2645); return NS_ERROR_FAILURE; } } while (false); |
| 2646 | |
| 2647 | // Ceil instead of rounding here, so we can actually guarantee showing all the |
| 2648 | // content. |
| 2649 | *aWidth = std::ceil(CSSPixel::FromAppUnits(shellArea.width)); |
| 2650 | *aHeight = std::ceil(CSSPixel::FromAppUnits(shellArea.height)); |
| 2651 | |
| 2652 | return NS_OK; |
| 2653 | } |
| 2654 | |
| 2655 | NS_IMPL_ISUPPORTS(nsDocViewerSelectionListener, nsISelectionListener)MozExternalRefCountType nsDocViewerSelectionListener::AddRef( void) { static_assert(!std::is_destructible_v<nsDocViewerSelectionListener >, "Reference-counted class " "nsDocViewerSelectionListener" " 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/layout/base/nsDocumentViewer.cpp" , 2655); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { *((volatile int*)__null) = 2655; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsDocViewerSelectionListener" != nullptr)>:: isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!("nsDocViewerSelectionListener" != nullptr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("\"nsDocViewerSelectionListener\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2655); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsDocViewerSelectionListener\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 2655; __attribute__((nomerge)) ::abort(); } while (false) ; } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("nsDocViewerSelectionListener" " not thread-safe" ); nsrefcnt count = ++mRefCnt; NS_LogAddRef((this), (count), ( "nsDocViewerSelectionListener"), (uint32_t)(sizeof(*this))); return count; } MozExternalRefCountType nsDocViewerSelectionListener ::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/layout/base/nsDocumentViewer.cpp" , 2655); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { *((volatile int*)__null) = 2655 ; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsDocViewerSelectionListener" != nullptr)>:: isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!("nsDocViewerSelectionListener" != nullptr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("\"nsDocViewerSelectionListener\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2655); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsDocViewerSelectionListener\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 2655; __attribute__((nomerge)) ::abort(); } while (false) ; } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("nsDocViewerSelectionListener" " not thread-safe" ); const char* const nametmp = "nsDocViewerSelectionListener" ; nsrefcnt count = --mRefCnt; NS_LogRelease((this), (count), ( nametmp)); if (count == 0) { mRefCnt = 1; delete (this); return 0; } return count; } nsresult nsDocViewerSelectionListener:: 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/layout/base/nsDocumentViewer.cpp" , 2655); 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<nsDocViewerSelectionListener, nsISelectionListener >, int32_t( reinterpret_cast<char*>(static_cast<nsISelectionListener *>((nsDocViewerSelectionListener*)0x1000)) - reinterpret_cast <char*>((nsDocViewerSelectionListener*)0x1000))}, {& mozilla::detail::kImplementedIID<nsDocViewerSelectionListener , nsISupports>, int32_t(reinterpret_cast<char*>(static_cast <nsISupports*>( static_cast<nsISelectionListener*> ((nsDocViewerSelectionListener*)0x1000))) - reinterpret_cast< char*>((nsDocViewerSelectionListener*)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; } |
| 2656 | |
| 2657 | /* |
| 2658 | * GetPopupNode, GetPopupLinkNode and GetPopupImageNode are helpers |
| 2659 | * for the cmd_copyLink / cmd_copyImageLocation / cmd_copyImageContents family |
| 2660 | * of commands. The focus controller stores the popup node, these retrieve |
| 2661 | * them and munge appropriately. Note that we have to store the popup node |
| 2662 | * rather than retrieving it from EventStateManager::GetFocusedContent because |
| 2663 | * not all content (images included) can receive focus. |
| 2664 | */ |
| 2665 | |
| 2666 | already_AddRefed<nsINode> nsDocumentViewer::GetPopupNode() { |
| 2667 | // get the document |
| 2668 | Document* document = GetDocument(); |
| 2669 | NS_ENSURE_TRUE(document, nullptr)do { if ((__builtin_expect(!!(!(document)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "document" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2669); return nullptr; } } while (false); |
| 2670 | |
| 2671 | // get the private dom window |
| 2672 | nsCOMPtr<nsPIDOMWindowOuter> window(document->GetWindow()); |
| 2673 | NS_ENSURE_TRUE(window, nullptr)do { if ((__builtin_expect(!!(!(window)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "window" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2673); return nullptr; } } while (false); |
| 2674 | if (window) { |
| 2675 | nsCOMPtr<nsPIWindowRoot> root = window->GetTopWindowRoot(); |
| 2676 | NS_ENSURE_TRUE(root, nullptr)do { if ((__builtin_expect(!!(!(root)), 0))) { NS_DebugBreak( NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "root" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2676); return nullptr; } } while (false); |
| 2677 | |
| 2678 | // get the popup node |
| 2679 | nsCOMPtr<nsINode> node = root->GetPopupNode(); |
| 2680 | if (!node) { |
| 2681 | nsPIDOMWindowOuter* rootWindow = root->GetWindow(); |
| 2682 | if (rootWindow) { |
| 2683 | nsCOMPtr<Document> rootDoc = rootWindow->GetExtantDoc(); |
| 2684 | if (rootDoc) { |
| 2685 | nsXULPopupManager* pm = nsXULPopupManager::GetInstance(); |
| 2686 | if (pm) { |
| 2687 | node = pm->GetLastTriggerPopupNode(rootDoc); |
| 2688 | } |
| 2689 | } |
| 2690 | } |
| 2691 | } |
| 2692 | return node.forget(); |
| 2693 | } |
| 2694 | |
| 2695 | return nullptr; |
| 2696 | } |
| 2697 | |
| 2698 | // GetPopupLinkNode: return popup link node or fail |
| 2699 | already_AddRefed<nsINode> nsDocumentViewer::GetPopupLinkNode() { |
| 2700 | // find popup node |
| 2701 | nsCOMPtr<nsINode> node = GetPopupNode(); |
| 2702 | |
| 2703 | // find out if we have a link in our ancestry |
| 2704 | while (node) { |
| 2705 | if (const auto* element = Element::FromNode(*node)) { |
| 2706 | if (element->IsLink()) { |
| 2707 | return node.forget(); |
| 2708 | } |
| 2709 | } |
| 2710 | |
| 2711 | // get our parent and keep trying... |
| 2712 | node = node->GetParentNode(); |
| 2713 | } |
| 2714 | |
| 2715 | // if we have no node, fail |
| 2716 | return nullptr; |
| 2717 | } |
| 2718 | |
| 2719 | // GetPopupLinkNode: return popup image node or fail |
| 2720 | already_AddRefed<nsIImageLoadingContent> nsDocumentViewer::GetPopupImageNode() { |
| 2721 | // find popup node |
| 2722 | nsCOMPtr<nsINode> node = GetPopupNode(); |
| 2723 | nsCOMPtr<nsIImageLoadingContent> img = do_QueryInterface(node); |
| 2724 | return img.forget(); |
| 2725 | } |
| 2726 | |
| 2727 | /* |
| 2728 | * XXX dr |
| 2729 | * ------ |
| 2730 | * These two functions -- GetInLink and GetInImage -- are kind of annoying |
| 2731 | * in that they only get called from the controller (in |
| 2732 | * nsDOMWindowController::IsCommandEnabled). The actual construction of the |
| 2733 | * context menus in communicator (nsContextMenu.js) has its own, redundant |
| 2734 | * tests. No big deal, but good to keep in mind if we ever clean context |
| 2735 | * menus. |
| 2736 | */ |
| 2737 | |
| 2738 | NS_IMETHODIMPnsresult nsDocumentViewer::GetInLink(bool* aInLink) { |
| 2739 | #ifdef DEBUG_dr |
| 2740 | printf("dr :: nsDocumentViewer::GetInLink\n"); |
| 2741 | #endif |
| 2742 | |
| 2743 | NS_ENSURE_ARG_POINTER(aInLink)do { if ((__builtin_expect(!!(!(aInLink)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "aInLink" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2743); return NS_ERROR_INVALID_POINTER; } } while (false); |
| 2744 | |
| 2745 | // we're not in a link unless i say so |
| 2746 | *aInLink = false; |
| 2747 | |
| 2748 | // get the popup link |
| 2749 | nsCOMPtr<nsINode> node = GetPopupLinkNode(); |
| 2750 | if (!node) { |
| 2751 | return NS_ERROR_FAILURE; |
| 2752 | } |
| 2753 | |
| 2754 | // if we made it here, we're in a link |
| 2755 | *aInLink = true; |
| 2756 | return NS_OK; |
| 2757 | } |
| 2758 | |
| 2759 | NS_IMETHODIMPnsresult nsDocumentViewer::GetInImage(bool* aInImage) { |
| 2760 | #ifdef DEBUG_dr |
| 2761 | printf("dr :: nsDocumentViewer::GetInImage\n"); |
| 2762 | #endif |
| 2763 | |
| 2764 | NS_ENSURE_ARG_POINTER(aInImage)do { if ((__builtin_expect(!!(!(aInImage)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "aInImage" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2764); return NS_ERROR_INVALID_POINTER; } } while (false); |
| 2765 | |
| 2766 | // we're not in an image unless i say so |
| 2767 | *aInImage = false; |
| 2768 | |
| 2769 | // get the popup image |
| 2770 | nsCOMPtr<nsIImageLoadingContent> node = GetPopupImageNode(); |
| 2771 | if (!node) { |
| 2772 | return NS_ERROR_FAILURE; |
| 2773 | } |
| 2774 | |
| 2775 | // Make sure there is a URI assigned. This allows <input type="image"> to |
| 2776 | // be an image but rejects other <input> types. This matches what |
| 2777 | // nsContextMenu.js does. |
| 2778 | nsCOMPtr<nsIURI> uri; |
| 2779 | node->GetCurrentURI(getter_AddRefs(uri)); |
| 2780 | if (uri) { |
| 2781 | // if we made it here, we're in an image |
| 2782 | *aInImage = true; |
| 2783 | } |
| 2784 | |
| 2785 | return NS_OK; |
| 2786 | } |
| 2787 | |
| 2788 | NS_IMETHODIMPnsresult nsDocViewerSelectionListener::NotifySelectionChanged( |
| 2789 | Document*, Selection*, int16_t aReason, int32_t aAmount) { |
| 2790 | if (!mDocViewer) { |
| 2791 | return NS_OK; |
| 2792 | } |
| 2793 | |
| 2794 | // get the selection state |
| 2795 | RefPtr<mozilla::dom::Selection> selection = |
| 2796 | mDocViewer->GetDocumentSelection(); |
| 2797 | if (!selection) { |
| 2798 | return NS_ERROR_FAILURE; |
| 2799 | } |
| 2800 | |
| 2801 | Document* theDoc = mDocViewer->GetDocument(); |
| 2802 | if (!theDoc) return NS_ERROR_FAILURE; |
| 2803 | |
| 2804 | nsCOMPtr<nsPIDOMWindowOuter> domWindow = theDoc->GetWindow(); |
| 2805 | if (!domWindow) return NS_ERROR_FAILURE; |
| 2806 | |
| 2807 | bool selectionCollapsed = selection->IsCollapsed(); |
| 2808 | // We only call UpdateCommands when the selection changes from collapsed to |
| 2809 | // non-collapsed or vice versa, however we skip the initializing collapse. We |
| 2810 | // might need another update string for simple selection changes, but that |
| 2811 | // would be expenseive. |
| 2812 | if (mSelectionWasCollapsed != selectionCollapsed) { |
| 2813 | domWindow->UpdateCommands(u"select"_ns); |
| 2814 | mSelectionWasCollapsed = selectionCollapsed; |
| 2815 | } |
| 2816 | |
| 2817 | return NS_OK; |
| 2818 | } |
| 2819 | |
| 2820 | // nsDocViewerFocusListener |
| 2821 | NS_IMPL_ISUPPORTS(nsDocViewerFocusListener, nsIDOMEventListener)MozExternalRefCountType nsDocViewerFocusListener::AddRef(void ) { static_assert(!std::is_destructible_v<nsDocViewerFocusListener >, "Reference-counted class " "nsDocViewerFocusListener" " 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/layout/base/nsDocumentViewer.cpp" , 2821); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { *((volatile int*)__null) = 2821; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsDocViewerFocusListener" != nullptr)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!("nsDocViewerFocusListener" != nullptr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("\"nsDocViewerFocusListener\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2821); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsDocViewerFocusListener\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 2821; __attribute__((nomerge)) ::abort(); } while (false) ; } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("nsDocViewerFocusListener" " not thread-safe" ); nsrefcnt count = ++mRefCnt; NS_LogAddRef((this), (count), ( "nsDocViewerFocusListener"), (uint32_t)(sizeof(*this))); return count; } MozExternalRefCountType nsDocViewerFocusListener::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/layout/base/nsDocumentViewer.cpp" , 2821); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { *((volatile int*)__null) = 2821 ; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsDocViewerFocusListener" != nullptr)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!("nsDocViewerFocusListener" != nullptr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("\"nsDocViewerFocusListener\" != nullptr" " (" "Must specify a name" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2821); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsDocViewerFocusListener\" != nullptr" ") (" "Must specify a name" ")"); do { *((volatile int*)__null ) = 2821; __attribute__((nomerge)) ::abort(); } while (false) ; } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread .AssertOwnership("nsDocViewerFocusListener" " not thread-safe" ); const char* const nametmp = "nsDocViewerFocusListener"; nsrefcnt count = --mRefCnt; NS_LogRelease((this), (count), (nametmp)) ; if (count == 0) { mRefCnt = 1; delete (this); return 0; } return count; } nsresult nsDocViewerFocusListener::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/layout/base/nsDocumentViewer.cpp" , 2821); 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<nsDocViewerFocusListener, nsIDOMEventListener >, int32_t( reinterpret_cast<char*>(static_cast<nsIDOMEventListener *>((nsDocViewerFocusListener*)0x1000)) - reinterpret_cast< char*>((nsDocViewerFocusListener*)0x1000))}, {&mozilla ::detail::kImplementedIID<nsDocViewerFocusListener, nsISupports >, int32_t(reinterpret_cast<char*>(static_cast<nsISupports *>( static_cast<nsIDOMEventListener*>((nsDocViewerFocusListener *)0x1000))) - reinterpret_cast<char*>((nsDocViewerFocusListener *)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; } |
| 2822 | |
| 2823 | nsresult nsDocViewerFocusListener::HandleEvent(Event* aEvent) { |
| 2824 | NS_ENSURE_STATE(mDocViewer)do { if ((__builtin_expect(!!(!(mDocViewer)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mDocViewer" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2824); return NS_ERROR_UNEXPECTED; } } while (false); |
| 2825 | |
| 2826 | RefPtr<PresShell> presShell = mDocViewer->GetPresShell(); |
| 2827 | NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(presShell)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "presShell" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2827); return NS_ERROR_FAILURE; } } while (false); |
| 2828 | |
| 2829 | RefPtr<nsFrameSelection> selection = |
| 2830 | presShell->GetLastFocusedFrameSelection(); |
| 2831 | NS_ENSURE_TRUE(selection, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(selection)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "selection" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2831); return NS_ERROR_FAILURE; } } while (false); |
| 2832 | auto selectionStatus = selection->GetDisplaySelection(); |
| 2833 | nsAutoString eventType; |
| 2834 | aEvent->GetType(eventType); |
| 2835 | if (eventType.EqualsLiteral("focus")) { |
| 2836 | // If selection was disabled, re-enable it. |
| 2837 | if (selectionStatus == nsISelectionController::SELECTION_DISABLED || |
| 2838 | selectionStatus == nsISelectionController::SELECTION_HIDDEN) { |
| 2839 | selection->SetDisplaySelection(nsISelectionController::SELECTION_ON); |
| 2840 | selection->RepaintSelection(SelectionType::eNormal); |
| 2841 | } |
| 2842 | // See EditorBase::FinalizeSelection. This fixes up the case where focus |
| 2843 | // left the editor's selection but returned to something else. |
| 2844 | if (selection != presShell->ConstFrameSelection()) { |
| 2845 | RefPtr<Document> doc = presShell->GetDocument(); |
| 2846 | const bool selectionMatchesFocus = |
| 2847 | selection->GetLimiter() && |
| 2848 | selection->GetLimiter()->GetChromeOnlyAccessSubtreeRootParent() == |
| 2849 | doc->GetUnretargetedFocusedContent(); |
| 2850 | if (NS_WARN_IF(!selectionMatchesFocus)NS_warn_if_impl(!selectionMatchesFocus, "!selectionMatchesFocus" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2850)) { |
| 2851 | presShell->FrameSelectionWillLoseFocus(*selection); |
| 2852 | presShell->SelectionWillTakeFocus(); |
| 2853 | } |
| 2854 | } |
| 2855 | } else { |
| 2856 | MOZ_ASSERT(eventType.EqualsLiteral("blur"), "Unexpected event type")do { static_assert( mozilla::detail::AssertionConditionType< decltype(eventType.EqualsLiteral("blur"))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(eventType.EqualsLiteral("blur" )))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("eventType.EqualsLiteral(\"blur\")" " (" "Unexpected event type" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2856); AnnotateMozCrashReason("MOZ_ASSERT" "(" "eventType.EqualsLiteral(\"blur\")" ") (" "Unexpected event type" ")"); do { *((volatile int*)__null ) = 2856; __attribute__((nomerge)) ::abort(); } while (false) ; } } while (false); |
| 2857 | // If selection was on, disable it. |
| 2858 | if (selectionStatus == nsISelectionController::SELECTION_ON || |
| 2859 | selectionStatus == nsISelectionController::SELECTION_ATTENTION) { |
| 2860 | selection->SetDisplaySelection( |
| 2861 | nsISelectionController::SELECTION_DISABLED); |
| 2862 | selection->RepaintSelection(SelectionType::eNormal); |
| 2863 | } |
| 2864 | } |
| 2865 | |
| 2866 | return NS_OK; |
| 2867 | } |
| 2868 | |
| 2869 | /** --------------------------------------------------- |
| 2870 | * From nsIWebBrowserPrint |
| 2871 | */ |
| 2872 | |
| 2873 | #ifdef NS_PRINTING1 |
| 2874 | |
| 2875 | NS_IMETHODIMPnsresult |
| 2876 | nsDocumentViewer::Print(nsIPrintSettings* aPrintSettings, |
| 2877 | RemotePrintJobChild* aRemotePrintJob, |
| 2878 | nsIWebProgressListener* aWebProgressListener) { |
| 2879 | if (NS_WARN_IF(!mContainer)NS_warn_if_impl(!mContainer, "!mContainer", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2879)) { |
| 2880 | PR_PL(("Container was destroyed yet we are still trying to use it!"))do { const ::mozilla::LogModule* moz_real_module = gPrintingLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , mozilla::LogLevel::Debug)), 0))) { mozilla::detail::log_print (moz_real_module, mozilla::LogLevel::Debug, "Container was destroyed yet we are still trying to use it!" ); } } while (0);; |
| 2881 | return NS_ERROR_FAILURE; |
| 2882 | } |
| 2883 | |
| 2884 | if (NS_WARN_IF(!mDocument)NS_warn_if_impl(!mDocument, "!mDocument", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2884) || NS_WARN_IF(!mDeviceContext)NS_warn_if_impl(!mDeviceContext, "!mDeviceContext", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2884)) { |
| 2885 | PR_PL(("Can't Print without a document and a device context"))do { const ::mozilla::LogModule* moz_real_module = gPrintingLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , mozilla::LogLevel::Debug)), 0))) { mozilla::detail::log_print (moz_real_module, mozilla::LogLevel::Debug, "Can't Print without a document and a device context" ); } } while (0);; |
| 2886 | return NS_ERROR_FAILURE; |
| 2887 | } |
| 2888 | |
| 2889 | if (NS_WARN_IF(mPrintJob && mPrintJob->GetIsPrinting())NS_warn_if_impl(mPrintJob && mPrintJob->GetIsPrinting (), "mPrintJob && mPrintJob->GetIsPrinting()", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2889)) { |
| 2890 | // If we are printing another URL, then exit. |
| 2891 | // The reason we check here is because this method can be called while |
| 2892 | // another is still in here (the printing dialog is a good example). the |
| 2893 | // only time we can print more than one job at a time is the regression |
| 2894 | // tests. |
| 2895 | nsresult rv = NS_ERROR_NOT_AVAILABLE; |
| 2896 | RefPtr<nsPrintJob>(mPrintJob)->FirePrintingErrorEvent(rv); |
| 2897 | return rv; |
| 2898 | } |
| 2899 | |
| 2900 | OnDonePrinting(); |
| 2901 | |
| 2902 | // Note: mContainer and mDocument are known to be non-null via null-checks |
| 2903 | // earlier in this function. |
| 2904 | // TODO(dholbert) Do we need to bother with this stack-owned local RefPtr? |
| 2905 | // (Is there an edge case where it's needed to keep the nsPrintJob alive?) |
| 2906 | auto printJob = |
| 2907 | MakeRefPtr<nsPrintJob>(*this, *mContainer, *mDocument, |
| 2908 | float(AppUnitsPerCSSInch()) / |
| 2909 | float(mDeviceContext->AppUnitsPerDevPixel())); |
| 2910 | mPrintJob = printJob; |
| 2911 | |
| 2912 | nsresult rv = printJob->Print(*mDocument, aPrintSettings, aRemotePrintJob, |
| 2913 | aWebProgressListener); |
| 2914 | 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/layout/base/nsDocumentViewer.cpp" , 2914)) { |
| 2915 | OnDonePrinting(); |
| 2916 | } |
| 2917 | return rv; |
| 2918 | } |
| 2919 | |
| 2920 | NS_IMETHODIMPnsresult |
| 2921 | nsDocumentViewer::PrintPreview(nsIPrintSettings* aPrintSettings, |
| 2922 | nsIWebProgressListener* aWebProgressListener, |
| 2923 | PrintPreviewResolver&& aCallback) { |
| 2924 | # ifdef NS_PRINT_PREVIEW1 |
| 2925 | RefPtr<Document> doc = mDocument.get(); |
| 2926 | NS_ENSURE_STATE(doc)do { if ((__builtin_expect(!!(!(doc)), 0))) { NS_DebugBreak(NS_DEBUG_WARNING , "NS_ENSURE_TRUE(" "doc" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2926); return NS_ERROR_UNEXPECTED; } } while (false); |
| 2927 | |
| 2928 | if (NS_WARN_IF(GetIsPrinting())NS_warn_if_impl(GetIsPrinting(), "GetIsPrinting()", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2928)) { |
| 2929 | return NS_ERROR_FAILURE; |
| 2930 | } |
| 2931 | |
| 2932 | nsCOMPtr<nsIDocShell> docShell(mContainer); |
| 2933 | if (NS_WARN_IF(!docShell)NS_warn_if_impl(!docShell, "!docShell", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2933) || NS_WARN_IF(!mDeviceContext)NS_warn_if_impl(!mDeviceContext, "!mDeviceContext", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2933)) { |
| 2934 | PR_PL(("Can't Print Preview without device context and docshell"))do { const ::mozilla::LogModule* moz_real_module = gPrintingLog ; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , mozilla::LogLevel::Debug)), 0))) { mozilla::detail::log_print (moz_real_module, mozilla::LogLevel::Debug, "Can't Print Preview without device context and docshell" ); } } while (0);; |
| 2935 | return NS_ERROR_FAILURE; |
| 2936 | } |
| 2937 | |
| 2938 | NS_ENSURE_STATE(!GetIsPrinting())do { if ((__builtin_expect(!!(!(!GetIsPrinting())), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "!GetIsPrinting()" ") failed" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2938); return NS_ERROR_UNEXPECTED; } } while (false); |
| 2939 | // beforeprint event may have caused ContentViewer to be shutdown. |
| 2940 | NS_ENSURE_STATE(mContainer)do { if ((__builtin_expect(!!(!(mContainer)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mContainer" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2940); return NS_ERROR_UNEXPECTED; } } while (false); |
| 2941 | NS_ENSURE_STATE(mDeviceContext)do { if ((__builtin_expect(!!(!(mDeviceContext)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mDeviceContext" ") failed" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2941); return NS_ERROR_UNEXPECTED; } } while (false); |
| 2942 | |
| 2943 | OnDonePrinting(); |
| 2944 | |
| 2945 | // Note: mContainer and doc are known to be non-null via null-checks earlier |
| 2946 | // in this function. |
| 2947 | // TODO(dholbert) Do we need to bother with this stack-owned local RefPtr? |
| 2948 | // (Is there an edge case where it's needed to keep the nsPrintJob alive?) |
| 2949 | auto printJob = |
| 2950 | MakeRefPtr<nsPrintJob>(*this, *mContainer, *doc, |
| 2951 | float(AppUnitsPerCSSInch()) / |
| 2952 | float(mDeviceContext->AppUnitsPerDevPixel())); |
| 2953 | mPrintJob = printJob; |
| 2954 | |
| 2955 | nsresult rv = printJob->PrintPreview( |
| 2956 | *doc, aPrintSettings, aWebProgressListener, std::move(aCallback)); |
| 2957 | 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/layout/base/nsDocumentViewer.cpp" , 2957)) { |
| 2958 | OnDonePrinting(); |
| 2959 | } |
| 2960 | return rv; |
| 2961 | # else |
| 2962 | return NS_ERROR_FAILURE; |
| 2963 | # endif // NS_PRINT_PREVIEW |
| 2964 | } |
| 2965 | |
| 2966 | static const nsIFrame* GetTargetPageFrame(int32_t aTargetPageNum, |
| 2967 | nsPageSequenceFrame* aSequenceFrame) { |
| 2968 | MOZ_ASSERT(aTargetPageNum > 0 &&do { static_assert( mozilla::detail::AssertionConditionType< decltype(aTargetPageNum > 0 && aTargetPageNum <= aSequenceFrame->PrincipalChildList().GetLength())>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(aTargetPageNum > 0 && aTargetPageNum <= aSequenceFrame ->PrincipalChildList().GetLength()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aTargetPageNum > 0 && aTargetPageNum <= aSequenceFrame->PrincipalChildList().GetLength()" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2970); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aTargetPageNum > 0 && aTargetPageNum <= aSequenceFrame->PrincipalChildList().GetLength()" ")"); do { *((volatile int*)__null) = 2970; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 2969 | aTargetPageNum <=do { static_assert( mozilla::detail::AssertionConditionType< decltype(aTargetPageNum > 0 && aTargetPageNum <= aSequenceFrame->PrincipalChildList().GetLength())>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(aTargetPageNum > 0 && aTargetPageNum <= aSequenceFrame ->PrincipalChildList().GetLength()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aTargetPageNum > 0 && aTargetPageNum <= aSequenceFrame->PrincipalChildList().GetLength()" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2970); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aTargetPageNum > 0 && aTargetPageNum <= aSequenceFrame->PrincipalChildList().GetLength()" ")"); do { *((volatile int*)__null) = 2970; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 2970 | aSequenceFrame->PrincipalChildList().GetLength())do { static_assert( mozilla::detail::AssertionConditionType< decltype(aTargetPageNum > 0 && aTargetPageNum <= aSequenceFrame->PrincipalChildList().GetLength())>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(aTargetPageNum > 0 && aTargetPageNum <= aSequenceFrame ->PrincipalChildList().GetLength()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aTargetPageNum > 0 && aTargetPageNum <= aSequenceFrame->PrincipalChildList().GetLength()" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 2970); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aTargetPageNum > 0 && aTargetPageNum <= aSequenceFrame->PrincipalChildList().GetLength()" ")"); do { *((volatile int*)__null) = 2970; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 2971 | return aSequenceFrame->PrincipalChildList().FrameAt(aTargetPageNum - 1); |
| 2972 | } |
| 2973 | |
| 2974 | // Calculate the scroll position where the center of |aFrame| is positioned at |
| 2975 | // the center of |aScrollContainerFrame|'s scroll port for the print preview. |
| 2976 | // So what we do for that is; |
| 2977 | // 1) Calculate the position of the center of |aFrame| in the print preview |
| 2978 | // coordinates. |
| 2979 | // 2) Reduce the half height of the scroll port from the result of 1. |
| 2980 | static nscoord ScrollPositionForFrame( |
| 2981 | const nsIFrame* aFrame, ScrollContainerFrame* aScrollContainerFrame, |
| 2982 | float aPreviewScale) { |
| 2983 | // Note that even if the computed scroll position is out of the range of |
| 2984 | // the scroll port, it gets clamped in ScrollContainerFrame::ScrollTo. |
| 2985 | return nscoord(aPreviewScale * aFrame->GetRect().Center().y - |
| 2986 | float(aScrollContainerFrame->GetScrollPortRect().height) / |
| 2987 | 2.0f); |
| 2988 | } |
| 2989 | |
| 2990 | //---------------------------------------------------------------------- |
| 2991 | NS_IMETHODIMPnsresult |
| 2992 | nsDocumentViewer::PrintPreviewScrollToPage(int16_t aType, int32_t aPageNum) { |
| 2993 | if (!GetIsPrintPreview() || mPrintJob->GetIsCreatingPrintPreview()) |
| 2994 | return NS_ERROR_FAILURE; |
| 2995 | |
| 2996 | ScrollContainerFrame* sf = mPresShell->GetRootScrollContainerFrame(); |
| 2997 | if (!sf) { |
| 2998 | return NS_OK; |
| 2999 | } |
| 3000 | |
| 3001 | auto [seqFrame, sheetCount] = mPrintJob->GetSeqFrameAndCountSheets(); |
| 3002 | Unused << sheetCount; |
| 3003 | if (!seqFrame) { |
| 3004 | return NS_ERROR_FAILURE; |
| 3005 | } |
| 3006 | |
| 3007 | float previewScale = seqFrame->GetPrintPreviewScale(); |
| 3008 | |
| 3009 | nsPoint dest = sf->GetScrollPosition(); |
| 3010 | |
| 3011 | switch (aType) { |
| 3012 | case nsIWebBrowserPrint::PRINTPREVIEW_HOME: |
| 3013 | dest.y = 0; |
| 3014 | break; |
| 3015 | case nsIWebBrowserPrint::PRINTPREVIEW_END: |
| 3016 | dest.y = sf->GetScrollRange().YMost(); |
| 3017 | break; |
| 3018 | case nsIWebBrowserPrint::PRINTPREVIEW_PREV_PAGE: |
| 3019 | case nsIWebBrowserPrint::PRINTPREVIEW_NEXT_PAGE: { |
| 3020 | auto [currentFrame, currentSheetNumber] = GetCurrentSheetFrameAndNumber(); |
| 3021 | Unused << currentSheetNumber; |
| 3022 | if (!currentFrame) { |
| 3023 | return NS_OK; |
| 3024 | } |
| 3025 | |
| 3026 | const nsIFrame* targetFrame = nullptr; |
| 3027 | if (aType == nsIWebBrowserPrint::PRINTPREVIEW_PREV_PAGE) { |
| 3028 | targetFrame = currentFrame->GetPrevInFlow(); |
| 3029 | } else { |
| 3030 | targetFrame = currentFrame->GetNextInFlow(); |
| 3031 | } |
| 3032 | if (!targetFrame) { |
| 3033 | return NS_OK; |
| 3034 | } |
| 3035 | |
| 3036 | dest.y = ScrollPositionForFrame(targetFrame, sf, previewScale); |
| 3037 | break; |
| 3038 | } |
| 3039 | case nsIWebBrowserPrint::PRINTPREVIEW_GOTO_PAGENUM: { |
| 3040 | if (aPageNum <= 0 || aPageNum > sheetCount) { |
| 3041 | return NS_ERROR_INVALID_ARG; |
| 3042 | } |
| 3043 | |
| 3044 | const nsIFrame* targetFrame = GetTargetPageFrame(aPageNum, seqFrame); |
| 3045 | MOZ_ASSERT(targetFrame)do { static_assert( mozilla::detail::AssertionConditionType< decltype(targetFrame)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(targetFrame))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("targetFrame", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3045); AnnotateMozCrashReason("MOZ_ASSERT" "(" "targetFrame" ")"); do { *((volatile int*)__null) = 3045; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 3046 | |
| 3047 | dest.y = ScrollPositionForFrame(targetFrame, sf, previewScale); |
| 3048 | break; |
| 3049 | } |
| 3050 | default: |
| 3051 | return NS_ERROR_INVALID_ARG; |
| 3052 | break; |
| 3053 | } |
| 3054 | |
| 3055 | sf->ScrollTo(dest, ScrollMode::Instant); |
| 3056 | |
| 3057 | return NS_OK; |
| 3058 | } |
| 3059 | |
| 3060 | std::tuple<const nsIFrame*, int32_t> |
| 3061 | nsDocumentViewer::GetCurrentSheetFrameAndNumber() const { |
| 3062 | MOZ_ASSERT(mPrintJob)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mPrintJob)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mPrintJob))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mPrintJob", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3062); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mPrintJob" ")" ); do { *((volatile int*)__null) = 3062; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 3063 | MOZ_ASSERT(GetIsPrintPreview() && !mPrintJob->GetIsCreatingPrintPreview())do { static_assert( mozilla::detail::AssertionConditionType< decltype(GetIsPrintPreview() && !mPrintJob->GetIsCreatingPrintPreview ())>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(GetIsPrintPreview() && !mPrintJob->GetIsCreatingPrintPreview ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("GetIsPrintPreview() && !mPrintJob->GetIsCreatingPrintPreview()" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3063); AnnotateMozCrashReason("MOZ_ASSERT" "(" "GetIsPrintPreview() && !mPrintJob->GetIsCreatingPrintPreview()" ")"); do { *((volatile int*)__null) = 3063; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 3064 | |
| 3065 | // in PP mPrtPreview->mPrintObject->mSeqFrame is null |
| 3066 | auto [seqFrame, sheetCount] = mPrintJob->GetSeqFrameAndCountSheets(); |
| 3067 | Unused << sheetCount; |
| 3068 | if (!seqFrame) { |
| 3069 | return {nullptr, 0}; |
| 3070 | } |
| 3071 | |
| 3072 | ScrollContainerFrame* sf = mPresShell->GetRootScrollContainerFrame(); |
| 3073 | if (!sf) { |
| 3074 | // No scrollable contents, returns 1 even if there are multiple sheets. |
| 3075 | return {seqFrame->PrincipalChildList().FirstChild(), 1}; |
| 3076 | } |
| 3077 | |
| 3078 | nsPoint currentScrollPosition = sf->GetScrollPosition(); |
| 3079 | float halfwayPoint = |
| 3080 | currentScrollPosition.y + float(sf->GetScrollPortRect().height) / 2.0f; |
| 3081 | float lastDistanceFromHalfwayPoint = std::numeric_limits<float>::max(); |
| 3082 | int32_t sheetNumber = 0; |
| 3083 | const nsIFrame* currentSheet = nullptr; |
| 3084 | float previewScale = seqFrame->GetPrintPreviewScale(); |
| 3085 | for (const nsIFrame* sheetFrame : seqFrame->PrincipalChildList()) { |
| 3086 | nsRect sheetRect = sheetFrame->GetRect(); |
| 3087 | sheetNumber++; |
| 3088 | currentSheet = sheetFrame; |
| 3089 | |
| 3090 | float bottomOfSheet = sheetRect.YMost() * previewScale; |
| 3091 | if (bottomOfSheet < halfwayPoint) { |
| 3092 | // If the bottom of the sheet is not yet over the halfway point, iterate |
| 3093 | // the next frame to see if the next frame is over the halfway point and |
| 3094 | // compare the distance from the halfway point. |
| 3095 | lastDistanceFromHalfwayPoint = halfwayPoint - bottomOfSheet; |
| 3096 | continue; |
| 3097 | } |
| 3098 | |
| 3099 | float topOfSheet = sheetRect.Y() * previewScale; |
| 3100 | if (topOfSheet <= halfwayPoint) { |
| 3101 | // If the top of the sheet is not yet over the halfway point or on the |
| 3102 | // point, it's the current sheet. |
| 3103 | break; |
| 3104 | } |
| 3105 | |
| 3106 | // Now the sheet rect is completely over the halfway point, compare the |
| 3107 | // distances from the halfway point. |
| 3108 | if ((topOfSheet - halfwayPoint) >= lastDistanceFromHalfwayPoint) { |
| 3109 | // If the previous sheet distance is less than or equal to the current |
| 3110 | // sheet distance, choose the previous one as the current. |
| 3111 | sheetNumber--; |
| 3112 | MOZ_ASSERT(sheetNumber > 0)do { static_assert( mozilla::detail::AssertionConditionType< decltype(sheetNumber > 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(sheetNumber > 0))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("sheetNumber > 0" , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3112); AnnotateMozCrashReason("MOZ_ASSERT" "(" "sheetNumber > 0" ")"); do { *((volatile int*)__null) = 3112; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 3113 | currentSheet = currentSheet->GetPrevInFlow(); |
| 3114 | MOZ_ASSERT(currentSheet)do { static_assert( mozilla::detail::AssertionConditionType< decltype(currentSheet)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(currentSheet))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("currentSheet", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3114); AnnotateMozCrashReason("MOZ_ASSERT" "(" "currentSheet" ")"); do { *((volatile int*)__null) = 3114; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 3115 | } |
| 3116 | break; |
| 3117 | } |
| 3118 | |
| 3119 | MOZ_ASSERT(sheetNumber <= sheetCount)do { static_assert( mozilla::detail::AssertionConditionType< decltype(sheetNumber <= sheetCount)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(sheetNumber <= sheetCount ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "sheetNumber <= sheetCount", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3119); AnnotateMozCrashReason("MOZ_ASSERT" "(" "sheetNumber <= sheetCount" ")"); do { *((volatile int*)__null) = 3119; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 3120 | return {currentSheet, sheetNumber}; |
| 3121 | } |
| 3122 | |
| 3123 | // XXXdholbert As noted in nsIWebBrowserPrint.idl, this API (the IDL attr |
| 3124 | // 'printPreviewCurrentPageNumber') is misnamed and needs s/Page/Sheet/. See |
| 3125 | // bug 1669762. |
| 3126 | NS_IMETHODIMPnsresult |
| 3127 | nsDocumentViewer::GetPrintPreviewCurrentPageNumber(int32_t* aNumber) { |
| 3128 | NS_ENSURE_ARG_POINTER(aNumber)do { if ((__builtin_expect(!!(!(aNumber)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "aNumber" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3128); return NS_ERROR_INVALID_POINTER; } } while (false); |
| 3129 | NS_ENSURE_TRUE(mPrintJob, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(mPrintJob)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mPrintJob" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3129); return NS_ERROR_FAILURE; } } while (false); |
| 3130 | if (!GetIsPrintPreview() || mPrintJob->GetIsCreatingPrintPreview()) { |
| 3131 | return NS_ERROR_FAILURE; |
| 3132 | } |
| 3133 | |
| 3134 | auto [currentFrame, currentSheetNumber] = GetCurrentSheetFrameAndNumber(); |
| 3135 | Unused << currentFrame; |
| 3136 | if (!currentSheetNumber) { |
| 3137 | return NS_ERROR_FAILURE; |
| 3138 | } |
| 3139 | |
| 3140 | *aNumber = currentSheetNumber; |
| 3141 | |
| 3142 | return NS_OK; |
| 3143 | } |
| 3144 | |
| 3145 | // XXX This always returns false for subdocuments |
| 3146 | NS_IMETHODIMPnsresult |
| 3147 | nsDocumentViewer::GetDoingPrint(bool* aDoingPrint) { |
| 3148 | NS_ENSURE_ARG_POINTER(aDoingPrint)do { if ((__builtin_expect(!!(!(aDoingPrint)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "aDoingPrint" ") failed" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3148); return NS_ERROR_INVALID_POINTER; } } while (false); |
| 3149 | |
| 3150 | // XXX shouldn't this be GetDoingPrint() ? |
| 3151 | *aDoingPrint = mPrintJob ? mPrintJob->CreatedForPrintPreview() : false; |
| 3152 | return NS_OK; |
| 3153 | } |
| 3154 | |
| 3155 | // XXX This always returns false for subdocuments |
| 3156 | NS_IMETHODIMPnsresult |
| 3157 | nsDocumentViewer::GetDoingPrintPreview(bool* aDoingPrintPreview) { |
| 3158 | NS_ENSURE_ARG_POINTER(aDoingPrintPreview)do { if ((__builtin_expect(!!(!(aDoingPrintPreview)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "aDoingPrintPreview" ") failed" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3158); return NS_ERROR_INVALID_POINTER; } } while (false); |
| 3159 | |
| 3160 | *aDoingPrintPreview = mPrintJob ? mPrintJob->CreatedForPrintPreview() : false; |
| 3161 | return NS_OK; |
| 3162 | } |
| 3163 | |
| 3164 | NS_IMETHODIMPnsresult |
| 3165 | nsDocumentViewer::GetCloseWindowAfterPrint(bool* aCloseWindowAfterPrint) { |
| 3166 | NS_ENSURE_ARG_POINTER(aCloseWindowAfterPrint)do { if ((__builtin_expect(!!(!(aCloseWindowAfterPrint)), 0)) ) { NS_DebugBreak(NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "aCloseWindowAfterPrint" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3166); return NS_ERROR_INVALID_POINTER; } } while (false); |
| 3167 | |
| 3168 | *aCloseWindowAfterPrint = mCloseWindowAfterPrint; |
| 3169 | return NS_OK; |
| 3170 | } |
| 3171 | |
| 3172 | NS_IMETHODIMPnsresult |
| 3173 | nsDocumentViewer::SetCloseWindowAfterPrint(bool aCloseWindowAfterPrint) { |
| 3174 | mCloseWindowAfterPrint = aCloseWindowAfterPrint; |
| 3175 | return NS_OK; |
| 3176 | } |
| 3177 | |
| 3178 | NS_IMETHODIMPnsresult |
| 3179 | nsDocumentViewer::ExitPrintPreview() { |
| 3180 | NS_ENSURE_TRUE(mPrintJob, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(mPrintJob)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mPrintJob" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3180); return NS_ERROR_FAILURE; } } while (false); |
| 3181 | |
| 3182 | if (GetIsPrinting()) { |
| 3183 | // Block exiting the print preview window if we're in the middle of an |
| 3184 | // actual print. |
| 3185 | return NS_ERROR_FAILURE; |
| 3186 | } |
| 3187 | |
| 3188 | if (!GetIsPrintPreview()) { |
| 3189 | NS_ERROR("Wow, we should never get here!")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "Wow, we should never get here!" , "Error", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3189); MOZ_PretendNoReturn(); } while (0); |
| 3190 | return NS_OK; |
| 3191 | } |
| 3192 | |
| 3193 | # ifdef NS_PRINT_PREVIEW1 |
| 3194 | mPrintJob->Destroy(); |
| 3195 | mPrintJob = nullptr; |
| 3196 | |
| 3197 | // Since the print preview implementation discards the window that was used |
| 3198 | // to show the print preview, we skip certain cleanup that we would otherwise |
| 3199 | // want to do. Specifically, we do not call `SetIsPrintPreview(false)` to |
| 3200 | // unblock navigation, we do not call `SetOverrideDPPX` to reset the |
| 3201 | // devicePixelRatio, and we do not call `Show` to make such changes take |
| 3202 | // affect. |
| 3203 | # endif // NS_PRINT_PREVIEW |
| 3204 | |
| 3205 | return NS_OK; |
| 3206 | } |
| 3207 | |
| 3208 | NS_IMETHODIMPnsresult |
| 3209 | nsDocumentViewer::GetRawNumPages(int32_t* aRawNumPages) { |
| 3210 | NS_ENSURE_ARG_POINTER(aRawNumPages)do { if ((__builtin_expect(!!(!(aRawNumPages)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "aRawNumPages" ") failed" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3210); return NS_ERROR_INVALID_POINTER; } } while (false); |
| 3211 | NS_ENSURE_TRUE(mPrintJob, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(mPrintJob)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mPrintJob" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3211); return NS_ERROR_FAILURE; } } while (false); |
| 3212 | |
| 3213 | *aRawNumPages = mPrintJob->GetRawNumPages(); |
| 3214 | return *aRawNumPages > 0 ? NS_OK : NS_ERROR_FAILURE; |
| 3215 | } |
| 3216 | |
| 3217 | // XXXdholbert As noted in nsIWebBrowserPrint.idl, this API (the IDL attr |
| 3218 | // 'printPreviewNumPages') is misnamed and needs s/Page/Sheet/. |
| 3219 | // See bug 1669762. |
| 3220 | NS_IMETHODIMPnsresult |
| 3221 | nsDocumentViewer::GetPrintPreviewNumPages(int32_t* aPrintPreviewNumPages) { |
| 3222 | NS_ENSURE_ARG_POINTER(aPrintPreviewNumPages)do { if ((__builtin_expect(!!(!(aPrintPreviewNumPages)), 0))) { NS_DebugBreak(NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "aPrintPreviewNumPages" ") failed", nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3222); return NS_ERROR_INVALID_POINTER; } } while (false); |
| 3223 | NS_ENSURE_TRUE(mPrintJob, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(mPrintJob)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mPrintJob" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3223); return NS_ERROR_FAILURE; } } while (false); |
| 3224 | *aPrintPreviewNumPages = mPrintJob->GetPrintPreviewNumSheets(); |
| 3225 | return *aPrintPreviewNumPages > 0 ? NS_OK : NS_ERROR_FAILURE; |
| 3226 | } |
| 3227 | |
| 3228 | //---------------------------------------------------------------------------------- |
| 3229 | // Printing/Print Preview Helpers |
| 3230 | //---------------------------------------------------------------------------------- |
| 3231 | |
| 3232 | //---------------------------------------------------------------------------------- |
| 3233 | // Walks the document tree and tells each DocShell whether Printing/PP is |
| 3234 | // happening |
| 3235 | #endif // NS_PRINTING |
| 3236 | |
| 3237 | bool nsDocumentViewer::ShouldAttachToTopLevel() { |
| 3238 | if (!mParentWidget) { |
| 3239 | return false; |
| 3240 | } |
| 3241 | |
| 3242 | // We always attach when using puppet widgets |
| 3243 | if (nsIWidget::UsePuppetWidgets()) { |
| 3244 | return true; |
| 3245 | } |
| 3246 | |
| 3247 | // FIXME(emilio): Can we unify this between macOS and aother platforms? |
| 3248 | #ifdef XP_MACOSX |
| 3249 | return false; |
| 3250 | #else |
| 3251 | # ifdef DEBUG1 |
| 3252 | nsIWidgetListener* parentListener = mParentWidget->GetWidgetListener(); |
| 3253 | MOZ_ASSERT(!parentListener || !parentListener->GetView(),do { static_assert( mozilla::detail::AssertionConditionType< decltype(!parentListener || !parentListener->GetView())> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(!parentListener || !parentListener->GetView()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!parentListener || !parentListener->GetView()" " (" "Expect a top level widget" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3254); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!parentListener || !parentListener->GetView()" ") (" "Expect a top level widget" ")"); do { *((volatile int *)__null) = 3254; __attribute__((nomerge)) ::abort(); } while (false); } } while (false) |
| 3254 | "Expect a top level widget")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!parentListener || !parentListener->GetView())> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(!parentListener || !parentListener->GetView()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!parentListener || !parentListener->GetView()" " (" "Expect a top level widget" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3254); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!parentListener || !parentListener->GetView()" ") (" "Expect a top level widget" ")"); do { *((volatile int *)__null) = 3254; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); |
| 3255 | # endif |
| 3256 | return true; |
| 3257 | #endif |
| 3258 | } |
| 3259 | |
| 3260 | //------------------------------------------------------------ |
| 3261 | // XXX this always returns false for subdocuments |
| 3262 | bool nsDocumentViewer::GetIsPrinting() const { |
| 3263 | #ifdef NS_PRINTING1 |
| 3264 | if (mPrintJob) { |
| 3265 | return mPrintJob->GetIsPrinting(); |
| 3266 | } |
| 3267 | #endif |
| 3268 | return false; |
| 3269 | } |
| 3270 | |
| 3271 | //------------------------------------------------------------ |
| 3272 | // The PrintJob holds the current value |
| 3273 | // this called from inside the DocViewer. |
| 3274 | // XXX it always returns false for subdocuments |
| 3275 | bool nsDocumentViewer::GetIsPrintPreview() const { |
| 3276 | #ifdef NS_PRINTING1 |
| 3277 | return mPrintJob && mPrintJob->CreatedForPrintPreview(); |
| 3278 | #else |
| 3279 | return false; |
| 3280 | #endif |
| 3281 | } |
| 3282 | |
| 3283 | //------------------------------------------------------------ |
| 3284 | // Notification from the PrintJob of the current PP status |
| 3285 | void nsDocumentViewer::SetIsPrintPreview(bool aIsPrintPreview) { |
| 3286 | // Protect against pres shell destruction running scripts. |
| 3287 | nsAutoScriptBlocker scriptBlocker; |
| 3288 | |
| 3289 | if (!aIsPrintPreview) { |
| 3290 | InvalidatePotentialSubDocDisplayItem(); |
| 3291 | if (mPresShell) { |
| 3292 | DestroyPresShell(); |
| 3293 | } |
| 3294 | mWindow = nullptr; |
| 3295 | mViewManager = nullptr; |
| 3296 | mPresContext = nullptr; |
| 3297 | mPresShell = nullptr; |
| 3298 | } |
| 3299 | } |
| 3300 | |
| 3301 | //---------------------------------------------------------------------------------- |
| 3302 | // nsIDocumentViewerPrint IFace |
| 3303 | //---------------------------------------------------------------------------------- |
| 3304 | |
| 3305 | //------------------------------------------------------------ |
| 3306 | void nsDocumentViewer::IncrementDestroyBlockedCount() { |
| 3307 | ++mDestroyBlockedCount; |
| 3308 | } |
| 3309 | |
| 3310 | void nsDocumentViewer::DecrementDestroyBlockedCount() { |
| 3311 | --mDestroyBlockedCount; |
| 3312 | } |
| 3313 | |
| 3314 | //------------------------------------------------------------ |
| 3315 | // This called ONLY when printing has completed and the DV |
| 3316 | // is being notified that it should get rid of the nsPrintJob. |
| 3317 | // |
| 3318 | // BUT, if we are in Print Preview then we want to ignore the |
| 3319 | // notification (we do not get rid of the nsPrintJob) |
| 3320 | // |
| 3321 | // One small caveat: |
| 3322 | // This IS called from two places in this module for cleaning |
| 3323 | // up when an error occurred during the start up printing |
| 3324 | // and print preview |
| 3325 | // |
| 3326 | void nsDocumentViewer::OnDonePrinting() { |
| 3327 | #if defined(NS_PRINTING1) && defined(NS_PRINT_PREVIEW1) |
| 3328 | // If Destroy() has been called during calling nsPrintJob::Print() or |
| 3329 | // nsPrintJob::PrintPreview(), mPrintJob is already nullptr here. |
| 3330 | // So, the following clean up does nothing in such case. |
| 3331 | // (Do we need some of this for that case?) |
| 3332 | if (mPrintJob) { |
| 3333 | RefPtr<nsPrintJob> printJob = std::move(mPrintJob); |
| 3334 | if (GetIsPrintPreview()) { |
| 3335 | printJob->DestroyPrintingData(); |
| 3336 | } else { |
| 3337 | printJob->Destroy(); |
| 3338 | } |
| 3339 | |
| 3340 | // We are done printing, now clean up. |
| 3341 | // |
| 3342 | // If the original document to print was not a static clone, we opened a new |
| 3343 | // window and are responsible for cleaning up the whole <browser> or window |
| 3344 | // (see the OPEN_PRINT_BROWSER code, specifically |
| 3345 | // handleStaticCloneCreatedForPrint()), so gotta run window.close(), which |
| 3346 | // will take care of this. |
| 3347 | // |
| 3348 | // Otherwise the front-end code is responsible for cleaning the UI. |
| 3349 | # ifdef ANDROID |
| 3350 | // Android doesn't support Content Analysis and prints in a different way, |
| 3351 | // so use different logic to clean up. |
| 3352 | bool closeWindowAfterPrint = !printJob->CreatedForPrintPreview(); |
| 3353 | # else |
| 3354 | bool closeWindowAfterPrint = GetCloseWindowAfterPrint(); |
| 3355 | # endif |
| 3356 | if (closeWindowAfterPrint) { |
| 3357 | if (mContainer) { |
| 3358 | if (nsCOMPtr<nsPIDOMWindowOuter> win = mContainer->GetWindow()) { |
| 3359 | win->Close(); |
| 3360 | } |
| 3361 | } |
| 3362 | } else if (mClosingWhilePrinting) { |
| 3363 | if (mDocument) { |
| 3364 | mDocument->Destroy(); |
| 3365 | mDocument = nullptr; |
| 3366 | } |
| 3367 | mClosingWhilePrinting = false; |
| 3368 | } |
| 3369 | } |
| 3370 | #endif // NS_PRINTING && NS_PRINT_PREVIEW |
| 3371 | } |
| 3372 | |
| 3373 | NS_IMETHODIMPnsresult nsDocumentViewer::SetPrintSettingsForSubdocument( |
| 3374 | nsIPrintSettings* aPrintSettings, RemotePrintJobChild* aRemotePrintJob) { |
| 3375 | #ifdef NS_PRINTING1 |
| 3376 | { |
| 3377 | nsAutoScriptBlocker scriptBlocker; |
| 3378 | |
| 3379 | if (mPresShell) { |
| 3380 | DestroyPresShell(); |
| 3381 | } |
| 3382 | |
| 3383 | if (mPresContext) { |
| 3384 | DestroyPresContext(); |
| 3385 | } |
| 3386 | |
| 3387 | MOZ_ASSERT(!mPresContext)do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mPresContext)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mPresContext))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mPresContext", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3387); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mPresContext" ")"); do { *((volatile int*)__null) = 3387; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 3388 | MOZ_ASSERT(!mPresShell)do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mPresShell)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mPresShell))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mPresShell", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3388); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mPresShell" ")"); do { *((volatile int*)__null) = 3388; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 3389 | |
| 3390 | if (MOZ_UNLIKELY(!mDocument)(__builtin_expect(!!(!mDocument), 0))) { |
| 3391 | return NS_ERROR_NOT_AVAILABLE; |
| 3392 | } |
| 3393 | |
| 3394 | auto devspec = MakeRefPtr<nsDeviceContextSpecProxy>(aRemotePrintJob); |
| 3395 | nsresult rv = devspec->Init(aPrintSettings, /* aIsPrintPreview = */ true); |
| 3396 | 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/layout/base/nsDocumentViewer.cpp" , 3396); return rv; } } while (false); |
| 3397 | |
| 3398 | mDeviceContext = new nsDeviceContext(); |
| 3399 | rv = mDeviceContext->InitForPrinting(devspec); |
| 3400 | |
| 3401 | 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/layout/base/nsDocumentViewer.cpp" , 3401); return rv; } } while (false); |
| 3402 | |
| 3403 | mPresContext = CreatePresContext( |
| 3404 | mDocument, nsPresContext::eContext_PrintPreview, FindContainerView()); |
| 3405 | mPresContext->SetPrintSettings(aPrintSettings); |
| 3406 | rv = mPresContext->Init(mDeviceContext); |
| 3407 | 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/layout/base/nsDocumentViewer.cpp" , 3407); return rv; } } while (false); |
| 3408 | |
| 3409 | rv = MakeWindow(nsSize(mPresContext->DevPixelsToAppUnits(mBounds.width), |
| 3410 | mPresContext->DevPixelsToAppUnits(mBounds.height)), |
| 3411 | FindContainerView()); |
| 3412 | 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/layout/base/nsDocumentViewer.cpp" , 3412); return rv; } } while (false); |
| 3413 | |
| 3414 | MOZ_TRY(InitPresentationStuff(true))do { auto mozTryTempResult_ = ::mozilla::ToResult(InitPresentationStuff (true)); if ((__builtin_expect(!!(mozTryTempResult_.isErr()), 0))) { return mozTryTempResult_.propagateErr(); } } while (0 ); |
| 3415 | } |
| 3416 | |
| 3417 | RefPtr<PresShell> shell = mPresShell; |
| 3418 | shell->FlushPendingNotifications(FlushType::Layout); |
| 3419 | #endif |
| 3420 | return NS_OK; |
| 3421 | } |
| 3422 | |
| 3423 | NS_IMETHODIMPnsresult nsDocumentViewer::SetPageModeForTesting( |
| 3424 | bool aPageMode, nsIPrintSettings* aPrintSettings) { |
| 3425 | // XXX Page mode is only partially working; it's currently used for |
| 3426 | // reftests that require a paginated context |
| 3427 | mIsPageMode = aPageMode; |
| 3428 | |
| 3429 | // The DestroyPresShell call requires a script blocker, since the |
| 3430 | // PresShell::Destroy call it does can cause scripts to run, which could |
| 3431 | // re-entrantly call methods on the nsDocumentViewer. |
| 3432 | nsAutoScriptBlocker scriptBlocker; |
| 3433 | |
| 3434 | if (mPresShell) { |
| 3435 | DestroyPresShell(); |
| 3436 | } |
| 3437 | |
| 3438 | if (mPresContext) { |
| 3439 | DestroyPresContext(); |
| 3440 | } |
| 3441 | |
| 3442 | mViewManager = nullptr; |
| 3443 | mWindow = nullptr; |
| 3444 | |
| 3445 | NS_ENSURE_STATE(mDocument)do { if ((__builtin_expect(!!(!(mDocument)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mDocument" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3445); return NS_ERROR_UNEXPECTED; } } while (false); |
| 3446 | if (aPageMode) { |
| 3447 | mPresContext = CreatePresContext( |
| 3448 | mDocument, nsPresContext::eContext_PageLayout, FindContainerView()); |
| 3449 | NS_ENSURE_TRUE(mPresContext, NS_ERROR_OUT_OF_MEMORY)do { if ((__builtin_expect(!!(!(mPresContext)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mPresContext" ") failed" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3449); return NS_ERROR_OUT_OF_MEMORY; } } while (false); |
| 3450 | mPresContext->SetPaginatedScrolling(true); |
| 3451 | mPresContext->SetPrintSettings(aPrintSettings); |
| 3452 | nsresult rv = mPresContext->Init(mDeviceContext); |
| 3453 | 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/layout/base/nsDocumentViewer.cpp" , 3453); return rv; } } while (false); |
| 3454 | } |
| 3455 | NS_ENSURE_SUCCESS(InitInternal(mParentWidget, nullptr, nullptr, mBounds, true,do { nsresult __rv = InitInternal(mParentWidget, nullptr, nullptr , mBounds, true, false, false); 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", "InitInternal(mParentWidget, nullptr, nullptr, mBounds, true, false, false)" , "NS_ERROR_FAILURE", static_cast<uint32_t>(__rv), name ? " (" : "", name ? name : "", name ? ")" : ""); NS_DebugBreak (NS_DEBUG_WARNING, msg.get(), nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3457); return NS_ERROR_FAILURE; } } while (false) |
| 3456 | false, false),do { nsresult __rv = InitInternal(mParentWidget, nullptr, nullptr , mBounds, true, false, false); 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", "InitInternal(mParentWidget, nullptr, nullptr, mBounds, true, false, false)" , "NS_ERROR_FAILURE", static_cast<uint32_t>(__rv), name ? " (" : "", name ? name : "", name ? ")" : ""); NS_DebugBreak (NS_DEBUG_WARNING, msg.get(), nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3457); return NS_ERROR_FAILURE; } } while (false) |
| 3457 | NS_ERROR_FAILURE)do { nsresult __rv = InitInternal(mParentWidget, nullptr, nullptr , mBounds, true, false, false); 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", "InitInternal(mParentWidget, nullptr, nullptr, mBounds, true, false, false)" , "NS_ERROR_FAILURE", static_cast<uint32_t>(__rv), name ? " (" : "", name ? name : "", name ? ")" : ""); NS_DebugBreak (NS_DEBUG_WARNING, msg.get(), nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3457); return NS_ERROR_FAILURE; } } while (false); |
| 3458 | |
| 3459 | Show(); |
| 3460 | return NS_OK; |
| 3461 | } |
| 3462 | |
| 3463 | NS_IMETHODIMPnsresult |
| 3464 | nsDocumentViewer::GetHistoryEntry(nsISHEntry** aHistoryEntry) { |
| 3465 | NS_IF_ADDREF(*aHistoryEntry = mSHEntry)ns_if_addref(*aHistoryEntry = mSHEntry); |
| 3466 | return NS_OK; |
| 3467 | } |
| 3468 | |
| 3469 | NS_IMETHODIMPnsresult |
| 3470 | nsDocumentViewer::GetIsTabModalPromptAllowed(bool* aAllowed) { |
| 3471 | *aAllowed = !mHidden; |
| 3472 | return NS_OK; |
| 3473 | } |
| 3474 | |
| 3475 | NS_IMETHODIMPnsresult |
| 3476 | nsDocumentViewer::GetIsHidden(bool* aHidden) { |
| 3477 | *aHidden = mHidden; |
| 3478 | return NS_OK; |
| 3479 | } |
| 3480 | |
| 3481 | NS_IMETHODIMPnsresult |
| 3482 | nsDocumentViewer::SetIsHidden(bool aHidden) { |
| 3483 | mHidden = aHidden; |
| 3484 | return NS_OK; |
| 3485 | } |
| 3486 | |
| 3487 | void nsDocumentViewer::DestroyPresShell() { |
| 3488 | // We assert this because destroying the pres shell could otherwise cause |
| 3489 | // re-entrancy into nsDocumentViewer methods, and all callers of |
| 3490 | // DestroyPresShell need to do other cleanup work afterwards before it |
| 3491 | // is safe for those re-entrant method calls to be made. |
| 3492 | 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()" " (" "DestroyPresShell must only be called when scripts are blocked" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3493); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!nsContentUtils::IsSafeToRunScript()" ") (" "DestroyPresShell must only be called when scripts are blocked" ")"); do { *((volatile int*)__null) = 3493; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 3493 | "DestroyPresShell must only be called when scripts are blocked")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()" " (" "DestroyPresShell must only be called when scripts are blocked" ")", "/var/lib/jenkins/workspace/firefox-scan-build/layout/base/nsDocumentViewer.cpp" , 3493); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!nsContentUtils::IsSafeToRunScript()" ") (" "DestroyPresShell must only be called when scripts are blocked" ")"); do { *((volatile int*)__null) = 3493; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 3494 | |
| 3495 | // Break circular reference (or something) |
| 3496 | mPresShell->EndObservingDocument(); |
| 3497 | |
| 3498 | RefPtr<mozilla::dom::Selection> selection = GetDocumentSelection(); |
| 3499 | if (selection && mSelectionListener) |
| 3500 | selection->RemoveSelectionListener(mSelectionListener); |
| 3501 | |
| 3502 | mPresShell->Destroy(); |
| 3503 | mPresShell = nullptr; |
| 3504 | } |
| 3505 | |
| 3506 | void nsDocumentViewer::InvalidatePotentialSubDocDisplayItem() { |
| 3507 | if (mViewManager) { |
| 3508 | if (nsView* rootView = mViewManager->GetRootView()) { |
| 3509 | if (nsView* rootViewParent = rootView->GetParent()) { |
| 3510 | if (nsView* subdocview = rootViewParent->GetParent()) { |
| 3511 | if (nsIFrame* f = subdocview->GetFrame()) { |
| 3512 | if (nsSubDocumentFrame* s = do_QueryFrame(f)) { |
| 3513 | s->MarkNeedsDisplayItemRebuild(); |
| 3514 | } |
| 3515 | } |
| 3516 | } |
| 3517 | } |
| 3518 | } |
| 3519 | } |
| 3520 | } |
| 3521 | |
| 3522 | void nsDocumentViewer::DestroyPresContext() { |
| 3523 | InvalidatePotentialSubDocDisplayItem(); |
| 3524 | mPresContext = nullptr; |
| 3525 | } |
| 3526 | |
| 3527 | void nsDocumentViewer::SetPrintPreviewPresentation(nsViewManager* aViewManager, |
| 3528 | nsPresContext* aPresContext, |
| 3529 | PresShell* aPresShell) { |
| 3530 | // Protect against pres shell destruction running scripts and re-entrantly |
| 3531 | // creating a new presentation. |
| 3532 | nsAutoScriptBlocker scriptBlocker; |
| 3533 | |
| 3534 | if (mPresShell) { |
| 3535 | DestroyPresShell(); |
| 3536 | } |
| 3537 | |
| 3538 | mWindow = nullptr; |
| 3539 | mViewManager = aViewManager; |
| 3540 | mPresContext = aPresContext; |
| 3541 | mPresShell = aPresShell; |
| 3542 | |
| 3543 | if (ShouldAttachToTopLevel()) { |
| 3544 | DetachFromTopLevelWidget(); |
| 3545 | nsView* rootView = mViewManager->GetRootView(); |
| 3546 | rootView->AttachToTopLevelWidget(mParentWidget); |
| 3547 | mAttachedToParent = true; |
| 3548 | } |
| 3549 | } |
| 3550 | |
| 3551 | // Fires the "document-shown" event so that interested parties are aware of it. |
| 3552 | NS_IMETHODIMPnsresult |
| 3553 | nsDocumentShownDispatcher::Run() { |
| 3554 | nsCOMPtr<nsIObserverService> observerService = |
| 3555 | mozilla::services::GetObserverService(); |
| 3556 | if (observerService) { |
| 3557 | observerService->NotifyObservers(ToSupports(mDocument), "document-shown", |
| 3558 | nullptr); |
| 3559 | } |
| 3560 | return NS_OK; |
| 3561 | } |