| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| * (C) 2001 Dirk Mueller (mueller@kde.org) |
| * (C) 2006 Alexey Proskuryakov (ap@webkit.org) |
| * Copyright (C) 2004-2018 Apple Inc. All rights reserved. |
| * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) |
| * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved. |
| * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) |
| * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #include "config.h" |
| #include "Document.h" |
| |
| #include "AXObjectCache.h" |
| #include "ApplicationStateChangeListener.h" |
| #include "Attr.h" |
| #include "BeforeUnloadEvent.h" |
| #include "CDATASection.h" |
| #include "CSSAnimationController.h" |
| #include "CSSFontSelector.h" |
| #include "CSSStyleDeclaration.h" |
| #include "CSSStyleSheet.h" |
| #include "CachedCSSStyleSheet.h" |
| #include "CachedFrame.h" |
| #include "CachedResourceLoader.h" |
| #include "CanvasRenderingContext2D.h" |
| #include "Chrome.h" |
| #include "ChromeClient.h" |
| #include "Comment.h" |
| #include "CommonVM.h" |
| #include "CompositionEvent.h" |
| #include "ConstantPropertyMap.h" |
| #include "ContentSecurityPolicy.h" |
| #include "CookieJar.h" |
| #include "CustomElementReactionQueue.h" |
| #include "CustomElementRegistry.h" |
| #include "CustomEvent.h" |
| #include "DOMImplementation.h" |
| #include "DOMWindow.h" |
| #include "DateComponents.h" |
| #include "DebugPageOverlays.h" |
| #include "DocumentLoader.h" |
| #include "DocumentMarkerController.h" |
| #include "DocumentSharedObjectPool.h" |
| #include "DocumentTimeline.h" |
| #include "DocumentType.h" |
| #include "Editing.h" |
| #include "Editor.h" |
| #include "ElementIterator.h" |
| #include "EventHandler.h" |
| #include "ExtensionStyleSheets.h" |
| #include "FocusController.h" |
| #include "FocusEvent.h" |
| #include "FontFaceSet.h" |
| #include "FormController.h" |
| #include "Frame.h" |
| #include "FrameLoader.h" |
| #include "FrameLoaderClient.h" |
| #include "FrameView.h" |
| #include "GenericCachedHTMLCollection.h" |
| #include "HTMLAllCollection.h" |
| #include "HTMLAnchorElement.h" |
| #include "HTMLAttachmentElement.h" |
| #include "HTMLBaseElement.h" |
| #include "HTMLBodyElement.h" |
| #include "HTMLCanvasElement.h" |
| #include "HTMLDocument.h" |
| #include "HTMLElementFactory.h" |
| #include "HTMLFormControlElement.h" |
| #include "HTMLFrameOwnerElement.h" |
| #include "HTMLFrameSetElement.h" |
| #include "HTMLHeadElement.h" |
| #include "HTMLHtmlElement.h" |
| #include "HTMLImageElement.h" |
| #include "HTMLInputElement.h" |
| #include "HTMLLinkElement.h" |
| #include "HTMLMediaElement.h" |
| #include "HTMLNameCollection.h" |
| #include "HTMLParserIdioms.h" |
| #include "HTMLPictureElement.h" |
| #include "HTMLPlugInElement.h" |
| #include "HTMLScriptElement.h" |
| #include "HTMLStyleElement.h" |
| #include "HTMLTitleElement.h" |
| #include "HTMLUnknownElement.h" |
| #include "HTTPHeaderNames.h" |
| #include "HTTPParsers.h" |
| #include "HashChangeEvent.h" |
| #include "History.h" |
| #include "HitTestResult.h" |
| #include "ImageBitmapRenderingContext.h" |
| #include "ImageLoader.h" |
| #include "InspectorInstrumentation.h" |
| #include "JSCustomElementInterface.h" |
| #include "JSDOMPromiseDeferred.h" |
| #include "JSLazyEventListener.h" |
| #include "KeyboardEvent.h" |
| #include "KeyframeEffectReadOnly.h" |
| #include "LayoutDisallowedScope.h" |
| #include "LibWebRTCProvider.h" |
| #include "LoaderStrategy.h" |
| #include "Logging.h" |
| #include "MediaCanStartListener.h" |
| #include "MediaProducer.h" |
| #include "MediaQueryList.h" |
| #include "MediaQueryMatcher.h" |
| #include "MessageEvent.h" |
| #include "MouseEventWithHitTestResults.h" |
| #include "MutationEvent.h" |
| #include "NameNodeList.h" |
| #include "NavigationDisabler.h" |
| #include "NavigationScheduler.h" |
| #include "NestingLevelIncrementer.h" |
| #include "NodeIterator.h" |
| #include "NodeRareData.h" |
| #include "NodeWithIndex.h" |
| #include "OriginAccessEntry.h" |
| #include "OverflowEvent.h" |
| #include "PageConsoleClient.h" |
| #include "PageGroup.h" |
| #include "PageTransitionEvent.h" |
| #include "PlatformLocale.h" |
| #include "PlatformMediaSessionManager.h" |
| #include "PlatformScreen.h" |
| #include "PlatformStrategies.h" |
| #include "PlugInsResources.h" |
| #include "PluginDocument.h" |
| #include "PointerLockController.h" |
| #include "PolicyChecker.h" |
| #include "PopStateEvent.h" |
| #include "ProcessingInstruction.h" |
| #include "PublicSuffix.h" |
| #include "RealtimeMediaSourceCenter.h" |
| #include "RenderChildIterator.h" |
| #include "RenderLayerCompositor.h" |
| #include "RenderTreeUpdater.h" |
| #include "RenderView.h" |
| #include "RenderWidget.h" |
| #include "RequestAnimationFrameCallback.h" |
| #include "ResourceLoadObserver.h" |
| #include "RuntimeApplicationChecks.h" |
| #include "RuntimeEnabledFeatures.h" |
| #include "SVGDocumentExtensions.h" |
| #include "SVGElement.h" |
| #include "SVGElementFactory.h" |
| #include "SVGNames.h" |
| #include "SVGSVGElement.h" |
| #include "SVGTitleElement.h" |
| #include "SVGUseElement.h" |
| #include "SVGZoomEvent.h" |
| #include "SWClientConnection.h" |
| #include "SchemeRegistry.h" |
| #include "ScopedEventQueue.h" |
| #include "ScriptController.h" |
| #include "ScriptDisallowedScope.h" |
| #include "ScriptModuleLoader.h" |
| #include "ScriptRunner.h" |
| #include "ScriptSourceCode.h" |
| #include "ScriptState.h" |
| #include "ScriptedAnimationController.h" |
| #include "ScrollingCoordinator.h" |
| #include "SecurityOrigin.h" |
| #include "SecurityOriginData.h" |
| #include "SecurityOriginPolicy.h" |
| #include "SecurityPolicy.h" |
| #include "SegmentedString.h" |
| #include "SelectorQuery.h" |
| #include "ServiceWorkerClientData.h" |
| #include "ServiceWorkerProvider.h" |
| #include "Settings.h" |
| #include "ShadowRoot.h" |
| #include "SocketProvider.h" |
| #include "StorageEvent.h" |
| #include "StringCallback.h" |
| #include "StyleColor.h" |
| #include "StyleProperties.h" |
| #include "StyleResolveForDocument.h" |
| #include "StyleResolver.h" |
| #include "StyleScope.h" |
| #include "StyleSheetContents.h" |
| #include "StyleSheetList.h" |
| #include "StyleTreeResolver.h" |
| #include "SubresourceLoader.h" |
| #include "TextAutoSizing.h" |
| #include "TextEvent.h" |
| #include "TextNodeTraversal.h" |
| #include "TransformSource.h" |
| #include "TreeWalker.h" |
| #include "UserGestureIndicator.h" |
| #include "ValidationMessageClient.h" |
| #include "VisibilityChangeClient.h" |
| #include "VisitedLinkState.h" |
| #include "WebAnimation.h" |
| #include "WheelEvent.h" |
| #include "WindowFeatures.h" |
| #include "XMLDocument.h" |
| #include "XMLDocumentParser.h" |
| #include "XMLNSNames.h" |
| #include "XMLNames.h" |
| #include "XPathEvaluator.h" |
| #include "XPathExpression.h" |
| #include "XPathNSResolver.h" |
| #include "XPathResult.h" |
| #include <JavaScriptCore/ConsoleMessage.h> |
| #include <JavaScriptCore/RegularExpression.h> |
| #include <JavaScriptCore/ScriptCallStack.h> |
| #include <JavaScriptCore/VM.h> |
| #include <ctime> |
| #include <wtf/IsoMallocInlines.h> |
| #include <wtf/Language.h> |
| #include <wtf/NeverDestroyed.h> |
| #include <wtf/SetForScope.h> |
| #include <wtf/SystemTracing.h> |
| #include <wtf/UUID.h> |
| #include <wtf/text/StringBuffer.h> |
| #include <wtf/text/TextStream.h> |
| |
| #if ENABLE(DEVICE_ORIENTATION) |
| #include "DeviceMotionEvent.h" |
| #include "DeviceOrientationEvent.h" |
| #endif |
| |
| #if ENABLE(FULLSCREEN_API) |
| #include "RenderFullScreen.h" |
| #endif |
| |
| #if ENABLE(INDEXED_DATABASE) |
| #include "IDBConnectionProxy.h" |
| #include "IDBOpenDBRequest.h" |
| #endif |
| |
| #if PLATFORM(IOS) |
| #include "CSSFontSelector.h" |
| #include "DeviceMotionClientIOS.h" |
| #include "DeviceMotionController.h" |
| #include "DeviceOrientationClientIOS.h" |
| #include "DeviceOrientationController.h" |
| #include "Geolocation.h" |
| #include "Navigator.h" |
| #include "NavigatorGeolocation.h" |
| #include "WKContentObservation.h" |
| #endif |
| |
| #if ENABLE(IOS_GESTURE_EVENTS) |
| #include "GestureEvent.h" |
| #endif |
| |
| #if ENABLE(MATHML) |
| #include "MathMLElement.h" |
| #include "MathMLElementFactory.h" |
| #include "MathMLNames.h" |
| #endif |
| |
| #if ENABLE(MEDIA_SESSION) |
| #include "MediaSession.h" |
| #endif |
| |
| #if USE(QUICK_LOOK) |
| #include "QuickLook.h" |
| #endif |
| |
| #if ENABLE(TOUCH_EVENTS) |
| #include "TouchEvent.h" |
| #endif |
| |
| #if ENABLE(VIDEO_TRACK) |
| #include "CaptionUserPreferences.h" |
| #endif |
| |
| #if ENABLE(WIRELESS_PLAYBACK_TARGET) |
| #include "MediaPlaybackTargetClient.h" |
| #endif |
| |
| #if ENABLE(XSLT) |
| #include "XSLTProcessor.h" |
| #endif |
| |
| #if ENABLE(MEDIA_STREAM) |
| #include "MediaStream.h" |
| #include "MediaStreamRegistry.h" |
| #endif |
| |
| #if ENABLE(WEBGL) |
| #include "WebGLRenderingContext.h" |
| #endif |
| #if ENABLE(WEBGL2) |
| #include "WebGL2RenderingContext.h" |
| #endif |
| #if ENABLE(WEBGPU) |
| #include "WebGPURenderingContext.h" |
| #endif |
| |
| |
| namespace WebCore { |
| |
| WTF_MAKE_ISO_ALLOCATED_IMPL(Document); |
| |
| using namespace PAL; |
| using namespace WTF; |
| using namespace Unicode; |
| |
| using namespace HTMLNames; |
| |
| static const unsigned cMaxWriteRecursionDepth = 21; |
| bool Document::hasEverCreatedAnAXObjectCache = false; |
| |
| unsigned ScriptDisallowedScope::LayoutAssertionDisableScope::s_layoutAssertionDisableCount = 0; |
| |
| // DOM Level 2 says (letters added): |
| // |
| // a) Name start characters must have one of the categories Ll, Lu, Lo, Lt, Nl. |
| // b) Name characters other than Name-start characters must have one of the categories Mc, Me, Mn, Lm, or Nd. |
| // c) Characters in the compatibility area (i.e. with character code greater than #xF900 and less than #xFFFE) are not allowed in XML names. |
| // d) Characters which have a font or compatibility decomposition (i.e. those with a "compatibility formatting tag" in field 5 of the database -- marked by field 5 beginning with a "<") are not allowed. |
| // e) The following characters are treated as name-start characters rather than name characters, because the property file classifies them as Alphabetic: [#x02BB-#x02C1], #x0559, #x06E5, #x06E6. |
| // f) Characters #x20DD-#x20E0 are excluded (in accordance with Unicode, section 5.14). |
| // g) Character #x00B7 is classified as an extender, because the property list so identifies it. |
| // h) Character #x0387 is added as a name character, because #x00B7 is its canonical equivalent. |
| // i) Characters ':' and '_' are allowed as name-start characters. |
| // j) Characters '-' and '.' are allowed as name characters. |
| // |
| // It also contains complete tables. If we decide it's better, we could include those instead of the following code. |
| |
| static inline bool isValidNameStart(UChar32 c) |
| { |
| // rule (e) above |
| if ((c >= 0x02BB && c <= 0x02C1) || c == 0x559 || c == 0x6E5 || c == 0x6E6) |
| return true; |
| |
| // rule (i) above |
| if (c == ':' || c == '_') |
| return true; |
| |
| // rules (a) and (f) above |
| if (!(U_GET_GC_MASK(c) & (U_GC_LL_MASK | U_GC_LU_MASK | U_GC_LO_MASK | U_GC_LT_MASK | U_GC_NL_MASK))) |
| return false; |
| |
| // rule (c) above |
| if (c >= 0xF900 && c < 0xFFFE) |
| return false; |
| |
| // rule (d) above |
| int type = u_getIntPropertyValue(c, UCHAR_DECOMPOSITION_TYPE); |
| if (type == U_DT_FONT || type == U_DT_COMPAT) |
| return false; |
| |
| return true; |
| } |
| |
| static inline bool isValidNamePart(UChar32 c) |
| { |
| // rules (a), (e), and (i) above |
| if (isValidNameStart(c)) |
| return true; |
| |
| // rules (g) and (h) above |
| if (c == 0x00B7 || c == 0x0387) |
| return true; |
| |
| // rule (j) above |
| if (c == '-' || c == '.') |
| return true; |
| |
| // rules (b) and (f) above |
| if (!(U_GET_GC_MASK(c) & (U_GC_M_MASK | U_GC_LM_MASK | U_GC_ND_MASK))) |
| return false; |
| |
| // rule (c) above |
| if (c >= 0xF900 && c < 0xFFFE) |
| return false; |
| |
| // rule (d) above |
| int type = u_getIntPropertyValue(c, UCHAR_DECOMPOSITION_TYPE); |
| if (type == U_DT_FONT || type == U_DT_COMPAT) |
| return false; |
| |
| return true; |
| } |
| |
| static Widget* widgetForElement(Element* focusedElement) |
| { |
| if (!focusedElement) |
| return nullptr; |
| auto* renderer = focusedElement->renderer(); |
| if (!is<RenderWidget>(renderer)) |
| return nullptr; |
| return downcast<RenderWidget>(*renderer).widget(); |
| } |
| |
| static bool acceptsEditingFocus(const Element& element) |
| { |
| ASSERT(element.hasEditableStyle()); |
| |
| auto* root = element.rootEditableElement(); |
| Frame* frame = element.document().frame(); |
| if (!frame || !root) |
| return false; |
| |
| return frame->editor().shouldBeginEditing(rangeOfContents(*root).ptr()); |
| } |
| |
| static bool canAccessAncestor(const SecurityOrigin& activeSecurityOrigin, Frame* targetFrame) |
| { |
| // targetFrame can be 0 when we're trying to navigate a top-level frame |
| // that has a 0 opener. |
| if (!targetFrame) |
| return false; |
| |
| const bool isLocalActiveOrigin = activeSecurityOrigin.isLocal(); |
| for (Frame* ancestorFrame = targetFrame; ancestorFrame; ancestorFrame = ancestorFrame->tree().parent()) { |
| Document* ancestorDocument = ancestorFrame->document(); |
| // FIXME: Should be an ASSERT? Frames should alway have documents. |
| if (!ancestorDocument) |
| return true; |
| |
| const SecurityOrigin& ancestorSecurityOrigin = ancestorDocument->securityOrigin(); |
| if (activeSecurityOrigin.canAccess(ancestorSecurityOrigin)) |
| return true; |
| |
| // Allow file URL descendant navigation even when allowFileAccessFromFileURLs is false. |
| // FIXME: It's a bit strange to special-case local origins here. Should we be doing |
| // something more general instead? |
| if (isLocalActiveOrigin && ancestorSecurityOrigin.isLocal()) |
| return true; |
| } |
| |
| return false; |
| } |
| |
| static void printNavigationErrorMessage(Frame* frame, const URL& activeURL, const char* reason) |
| { |
| String message = "Unsafe JavaScript attempt to initiate navigation for frame with URL '" + frame->document()->url().string() + "' from frame with URL '" + activeURL.string() + "'. " + reason + "\n"; |
| |
| // FIXME: should we print to the console of the document performing the navigation instead? |
| frame->document()->domWindow()->printErrorMessage(message); |
| } |
| |
| uint64_t Document::s_globalTreeVersion = 0; |
| |
| auto Document::allDocumentsMap() -> DocumentsMap& |
| { |
| static NeverDestroyed<DocumentsMap> documents; |
| return documents; |
| } |
| |
| auto Document::allDocuments() -> DocumentsMap::ValuesIteratorRange |
| { |
| return allDocumentsMap().values(); |
| } |
| |
| static inline int currentOrientation(Frame* frame) |
| { |
| #if ENABLE(ORIENTATION_EVENTS) |
| if (frame) |
| return frame->orientation(); |
| #else |
| UNUSED_PARAM(frame); |
| #endif |
| return 0; |
| } |
| |
| Document::Document(Frame* frame, const URL& url, unsigned documentClasses, unsigned constructionFlags) |
| : ContainerNode(*this, CreateDocument) |
| , TreeScope(*this) |
| , FrameDestructionObserver(frame) |
| #if ENABLE(IOS_TOUCH_EVENTS) |
| , m_touchEventsChangedTimer(*this, &Document::touchEventsChangedTimerFired) |
| #endif |
| , m_settings(frame ? Ref<Settings>(frame->settings()) : Settings::create(nullptr)) |
| , m_cachedResourceLoader(m_frame ? Ref<CachedResourceLoader>(m_frame->loader().activeDocumentLoader()->cachedResourceLoader()) : CachedResourceLoader::create(nullptr)) |
| , m_domTreeVersion(++s_globalTreeVersion) |
| , m_styleScope(std::make_unique<Style::Scope>(*this)) |
| , m_extensionStyleSheets(std::make_unique<ExtensionStyleSheets>(*this)) |
| , m_visitedLinkState(std::make_unique<VisitedLinkState>(*this)) |
| , m_markers(std::make_unique<DocumentMarkerController>(*this)) |
| , m_styleRecalcTimer([this] { updateStyleIfNeeded(); }) |
| , m_documentCreationTime(MonotonicTime::now()) |
| , m_scriptRunner(std::make_unique<ScriptRunner>(*this)) |
| , m_moduleLoader(std::make_unique<ScriptModuleLoader>(*this)) |
| #if ENABLE(XSLT) |
| , m_applyPendingXSLTransformsTimer(*this, &Document::applyPendingXSLTransformsTimerFired) |
| #endif |
| , m_xmlVersion(ASCIILiteral("1.0")) |
| , m_constantPropertyMap(std::make_unique<ConstantPropertyMap>(*this)) |
| , m_documentClasses(documentClasses) |
| , m_eventQueue(*this) |
| , m_loadEventDelayTimer(*this, &Document::loadEventDelayTimerFired) |
| #if PLATFORM(IOS) |
| #if ENABLE(DEVICE_ORIENTATION) |
| , m_deviceMotionClient(std::make_unique<DeviceMotionClientIOS>()) |
| , m_deviceMotionController(std::make_unique<DeviceMotionController>(m_deviceMotionClient.get())) |
| , m_deviceOrientationClient(std::make_unique<DeviceOrientationClientIOS>()) |
| , m_deviceOrientationController(std::make_unique<DeviceOrientationController>(m_deviceOrientationClient.get())) |
| #endif |
| #endif |
| , m_pendingTasksTimer(*this, &Document::pendingTasksTimerFired) |
| , m_visualUpdatesSuppressionTimer(*this, &Document::visualUpdatesSuppressionTimerFired) |
| , m_sharedObjectPoolClearTimer(*this, &Document::clearSharedObjectPool) |
| , m_fontSelector(CSSFontSelector::create(*this)) |
| , m_didAssociateFormControlsTimer(*this, &Document::didAssociateFormControlsTimerFired) |
| , m_cookieCacheExpiryTimer(*this, &Document::invalidateDOMCookieCache) |
| , m_socketProvider(page() ? &page()->socketProvider() : nullptr) |
| , m_isSynthesized(constructionFlags & Synthesized) |
| , m_isNonRenderedPlaceholder(constructionFlags & NonRenderedPlaceholder) |
| , m_orientationNotifier(currentOrientation(frame)) |
| , m_identifier(generateObjectIdentifier<DocumentIdentifierType>()) |
| { |
| auto addResult = allDocumentsMap().add(m_identifier, this); |
| ASSERT_UNUSED(addResult, addResult.isNewEntry); |
| |
| // We depend on the url getting immediately set in subframes, but we |
| // also depend on the url NOT getting immediately set in opened windows. |
| // See fast/dom/early-frame-url.html |
| // and fast/dom/location-new-window-no-crash.html, respectively. |
| // FIXME: Can/should we unify this behavior? |
| if ((frame && frame->ownerElement()) || !url.isEmpty()) |
| setURL(url); |
| |
| m_cachedResourceLoader->setDocument(this); |
| |
| resetLinkColor(); |
| resetVisitedLinkColor(); |
| resetActiveLinkColor(); |
| |
| initSecurityContext(); |
| initDNSPrefetch(); |
| |
| m_fontSelector->registerForInvalidationCallbacks(*this); |
| |
| for (auto& nodeListAndCollectionCount : m_nodeListAndCollectionCounts) |
| nodeListAndCollectionCount = 0; |
| } |
| |
| #if ENABLE(FULLSCREEN_API) |
| |
| static bool isAttributeOnAllOwners(const WebCore::QualifiedName& attribute, const WebCore::QualifiedName& prefixedAttribute, const HTMLFrameOwnerElement* owner) |
| { |
| if (!owner) |
| return true; |
| do { |
| if (!(owner->hasAttribute(attribute) || owner->hasAttribute(prefixedAttribute))) |
| return false; |
| } while ((owner = owner->document().ownerElement())); |
| return true; |
| } |
| |
| #endif |
| |
| Ref<Document> Document::create(Document& contextDocument) |
| { |
| auto document = adoptRef(*new Document(nullptr, URL())); |
| document->setContextDocument(contextDocument); |
| document->setSecurityOriginPolicy(contextDocument.securityOriginPolicy()); |
| return document; |
| } |
| |
| Document::~Document() |
| { |
| if (m_logger) |
| m_logger->removeObserver(*this); |
| |
| ASSERT(allDocumentsMap().contains(m_identifier)); |
| allDocumentsMap().remove(m_identifier); |
| // We need to remove from the contexts map very early in the destructor so that calling postTask() on this Document from another thread is safe. |
| removeFromContextsMap(); |
| |
| ASSERT(!renderView()); |
| ASSERT(m_pageCacheState != InPageCache); |
| ASSERT(m_ranges.isEmpty()); |
| ASSERT(!m_parentTreeScope); |
| ASSERT(!m_disabledFieldsetElementsCount); |
| ASSERT(m_inDocumentShadowRoots.isEmpty()); |
| |
| #if ENABLE(DEVICE_ORIENTATION) && PLATFORM(IOS) |
| m_deviceMotionClient->deviceMotionControllerDestroyed(); |
| m_deviceOrientationClient->deviceOrientationControllerDestroyed(); |
| #endif |
| |
| if (m_templateDocument) |
| m_templateDocument->setTemplateDocumentHost(nullptr); // balanced in templateDocument(). |
| |
| // FIXME: Should we reset m_domWindow when we detach from the Frame? |
| if (m_domWindow) |
| m_domWindow->resetUnlessSuspendedForDocumentSuspension(); |
| |
| m_scriptRunner = nullptr; |
| m_moduleLoader = nullptr; |
| |
| removeAllEventListeners(); |
| |
| // Currently we believe that Document can never outlive the parser. |
| // Although the Document may be replaced synchronously, DocumentParsers |
| // generally keep at least one reference to an Element which would in turn |
| // has a reference to the Document. If you hit this ASSERT, then that |
| // assumption is wrong. DocumentParser::detach() should ensure that even |
| // if the DocumentParser outlives the Document it won't cause badness. |
| ASSERT(!m_parser || m_parser->refCount() == 1); |
| detachParser(); |
| |
| if (this == &topDocument()) |
| clearAXObjectCache(); |
| |
| m_decoder = nullptr; |
| |
| if (m_styleSheetList) |
| m_styleSheetList->detachFromDocument(); |
| |
| extensionStyleSheets().detachFromDocument(); |
| |
| styleScope().clearResolver(); // We need to destroy CSSFontSelector before destroying m_cachedResourceLoader. |
| m_fontSelector->clearDocument(); |
| m_fontSelector->unregisterForInvalidationCallbacks(*this); |
| |
| // It's possible for multiple Documents to end up referencing the same CachedResourceLoader (e.g., SVGImages |
| // load the initial empty document and the SVGDocument with the same DocumentLoader). |
| if (m_cachedResourceLoader->document() == this) |
| m_cachedResourceLoader->setDocument(nullptr); |
| |
| #if ENABLE(VIDEO) |
| if (auto* platformMediaSessionManager = PlatformMediaSessionManager::sharedManagerIfExists()) |
| platformMediaSessionManager->stopAllMediaPlaybackForDocument(this); |
| #endif |
| |
| // We must call clearRareData() here since a Document class inherits TreeScope |
| // as well as Node. See a comment on TreeScope.h for the reason. |
| if (hasRareData()) |
| clearRareData(); |
| |
| RELEASE_ASSERT_WITH_SECURITY_IMPLICATION(m_listsInvalidatedAtDocument.isEmpty()); |
| RELEASE_ASSERT_WITH_SECURITY_IMPLICATION(m_collectionsInvalidatedAtDocument.isEmpty()); |
| RELEASE_ASSERT_WITH_SECURITY_IMPLICATION(m_svgUseElements.isEmpty()); |
| |
| for (unsigned count : m_nodeListAndCollectionCounts) |
| ASSERT_UNUSED(count, !count); |
| } |
| |
| void Document::removedLastRef() |
| { |
| ASSERT(!m_deletionHasBegun); |
| if (m_referencingNodeCount) { |
| // If removing a child removes the last node reference, we don't want the scope to be destroyed |
| // until after removeDetachedChildren returns, so we protect ourselves. |
| incrementReferencingNodeCount(); |
| |
| RELEASE_ASSERT(!hasLivingRenderTree()); |
| // We must make sure not to be retaining any of our children through |
| // these extra pointers or we will create a reference cycle. |
| m_focusedElement = nullptr; |
| m_hoveredElement = nullptr; |
| m_activeElement = nullptr; |
| m_titleElement = nullptr; |
| m_documentElement = nullptr; |
| m_focusNavigationStartingNode = nullptr; |
| m_userActionElements.clear(); |
| #if ENABLE(FULLSCREEN_API) |
| m_fullScreenElement = nullptr; |
| m_fullScreenElementStack.clear(); |
| #endif |
| m_associatedFormControls.clear(); |
| |
| detachParser(); |
| |
| // removeDetachedChildren() doesn't always unregister IDs, |
| // so tear down scope information up front to avoid having |
| // stale references in the map. |
| |
| destroyTreeScopeData(); |
| removeDetachedChildren(); |
| m_formController = nullptr; |
| |
| m_markers->detach(); |
| |
| m_cssCanvasElements.clear(); |
| |
| commonTeardown(); |
| |
| #ifndef NDEBUG |
| // We need to do this right now since selfOnlyDeref() can delete this. |
| m_inRemovedLastRefFunction = false; |
| #endif |
| decrementReferencingNodeCount(); |
| } else { |
| #ifndef NDEBUG |
| m_inRemovedLastRefFunction = false; |
| m_deletionHasBegun = true; |
| #endif |
| delete this; |
| } |
| } |
| |
| void Document::commonTeardown() |
| { |
| if (svgExtensions()) |
| accessSVGExtensions().pauseAnimations(); |
| |
| clearScriptedAnimationController(); |
| } |
| |
| Element* Document::getElementByAccessKey(const String& key) |
| { |
| if (key.isEmpty()) |
| return nullptr; |
| if (!m_accessKeyMapValid) { |
| buildAccessKeyMap(this); |
| m_accessKeyMapValid = true; |
| } |
| return m_elementsByAccessKey.get(key.impl()); |
| } |
| |
| void Document::buildAccessKeyMap(TreeScope* scope) |
| { |
| ASSERT(scope); |
| for (auto& element : descendantsOfType<Element>(scope->rootNode())) { |
| const AtomicString& accessKey = element.attributeWithoutSynchronization(accesskeyAttr); |
| if (!accessKey.isEmpty()) |
| m_elementsByAccessKey.set(accessKey.impl(), &element); |
| |
| if (ShadowRoot* root = element.shadowRoot()) |
| buildAccessKeyMap(root); |
| } |
| } |
| |
| void Document::invalidateAccessKeyMap() |
| { |
| m_accessKeyMapValid = false; |
| m_elementsByAccessKey.clear(); |
| } |
| |
| void Document::addImageElementByUsemap(const AtomicStringImpl& name, HTMLImageElement& element) |
| { |
| return m_imagesByUsemap.add(name, element, *this); |
| } |
| |
| void Document::removeImageElementByUsemap(const AtomicStringImpl& name, HTMLImageElement& element) |
| { |
| return m_imagesByUsemap.remove(name, element); |
| } |
| |
| HTMLImageElement* Document::imageElementByUsemap(const AtomicStringImpl& name) const |
| { |
| return m_imagesByUsemap.getElementByUsemap(name, *this); |
| } |
| |
| ExceptionOr<SelectorQuery&> Document::selectorQueryForString(const String& selectorString) |
| { |
| if (selectorString.isEmpty()) |
| return Exception { SyntaxError }; |
| if (!m_selectorQueryCache) |
| m_selectorQueryCache = std::make_unique<SelectorQueryCache>(); |
| return m_selectorQueryCache->add(selectorString, *this); |
| } |
| |
| void Document::clearSelectorQueryCache() |
| { |
| m_selectorQueryCache = nullptr; |
| } |
| |
| MediaQueryMatcher& Document::mediaQueryMatcher() |
| { |
| if (!m_mediaQueryMatcher) |
| m_mediaQueryMatcher = MediaQueryMatcher::create(*this); |
| return *m_mediaQueryMatcher; |
| } |
| |
| void Document::setCompatibilityMode(DocumentCompatibilityMode mode) |
| { |
| if (m_compatibilityModeLocked || mode == m_compatibilityMode) |
| return; |
| bool wasInQuirksMode = inQuirksMode(); |
| m_compatibilityMode = mode; |
| |
| clearSelectorQueryCache(); |
| |
| if (inQuirksMode() != wasInQuirksMode) { |
| // All user stylesheets have to reparse using the different mode. |
| extensionStyleSheets().clearPageUserSheet(); |
| extensionStyleSheets().invalidateInjectedStyleSheetCache(); |
| } |
| } |
| |
| String Document::compatMode() const |
| { |
| return inQuirksMode() ? "BackCompat" : "CSS1Compat"; |
| } |
| |
| void Document::resetLinkColor() |
| { |
| m_linkColor = StyleColor::colorFromKeyword(CSSValueWebkitLink, styleColorOptions()); |
| } |
| |
| void Document::resetVisitedLinkColor() |
| { |
| m_visitedLinkColor = StyleColor::colorFromKeyword(CSSValueWebkitLink, styleColorOptions() | StyleColor::Options::ForVisitedLink); |
| } |
| |
| void Document::resetActiveLinkColor() |
| { |
| m_activeLinkColor = StyleColor::colorFromKeyword(CSSValueWebkitActivelink, styleColorOptions()); |
| } |
| |
| DOMImplementation& Document::implementation() |
| { |
| if (!m_implementation) |
| m_implementation = std::make_unique<DOMImplementation>(*this); |
| return *m_implementation; |
| } |
| |
| bool Document::hasManifest() const |
| { |
| return documentElement() && documentElement()->hasTagName(htmlTag) && documentElement()->hasAttributeWithoutSynchronization(manifestAttr); |
| } |
| |
| DocumentType* Document::doctype() const |
| { |
| for (Node* node = firstChild(); node; node = node->nextSibling()) { |
| if (node->isDocumentTypeNode()) |
| return static_cast<DocumentType*>(node); |
| } |
| return nullptr; |
| } |
| |
| void Document::childrenChanged(const ChildChange& change) |
| { |
| ContainerNode::childrenChanged(change); |
| |
| // FIXME: Chrome::didReceiveDocType() used to be called only when the doctype changed. We need to check the |
| // impact of calling this systematically. If the overhead is negligible, we need to rename didReceiveDocType, |
| // otherwise, we need to detect the doc type changes before updating the viewport. |
| if (Page* page = this->page()) |
| page->chrome().didReceiveDocType(*frame()); |
| |
| Element* newDocumentElement = childrenOfType<Element>(*this).first(); |
| if (newDocumentElement == m_documentElement) |
| return; |
| m_documentElement = newDocumentElement; |
| // The root style used for media query matching depends on the document element. |
| styleScope().clearResolver(); |
| } |
| |
| static ALWAYS_INLINE Ref<HTMLElement> createUpgradeCandidateElement(Document& document, const QualifiedName& name) |
| { |
| if (!RuntimeEnabledFeatures::sharedFeatures().customElementsEnabled() |
| || Document::validateCustomElementName(name.localName()) != CustomElementNameValidationStatus::Valid) |
| return HTMLUnknownElement::create(name, document); |
| |
| auto element = HTMLElement::create(name, document); |
| element->setIsCustomElementUpgradeCandidate(); |
| return element; |
| } |
| |
| static ALWAYS_INLINE Ref<HTMLElement> createUpgradeCandidateElement(Document& document, const AtomicString& localName) |
| { |
| return createUpgradeCandidateElement(document, QualifiedName { nullAtom(), localName, xhtmlNamespaceURI }); |
| } |
| |
| static inline bool isValidHTMLElementName(const AtomicString& localName) |
| { |
| return Document::isValidName(localName); |
| } |
| |
| static inline bool isValidHTMLElementName(const QualifiedName& name) |
| { |
| return Document::isValidName(name.localName()); |
| } |
| |
| template<typename NameType> |
| static ExceptionOr<Ref<Element>> createHTMLElementWithNameValidation(Document& document, const NameType& name) |
| { |
| auto element = HTMLElementFactory::createKnownElement(name, document); |
| if (LIKELY(element)) |
| return Ref<Element> { element.releaseNonNull() }; |
| |
| if (auto* window = document.domWindow()) { |
| auto* registry = window->customElementRegistry(); |
| if (UNLIKELY(registry)) { |
| if (auto* elementInterface = registry->findInterface(name)) |
| return elementInterface->constructElementWithFallback(document, name); |
| } |
| } |
| |
| if (UNLIKELY(!isValidHTMLElementName(name))) |
| return Exception { InvalidCharacterError }; |
| |
| return Ref<Element> { createUpgradeCandidateElement(document, name) }; |
| } |
| |
| ExceptionOr<Ref<Element>> Document::createElementForBindings(const AtomicString& name) |
| { |
| if (isHTMLDocument()) |
| return createHTMLElementWithNameValidation(*this, name.convertToASCIILowercase()); |
| |
| if (isXHTMLDocument()) |
| return createHTMLElementWithNameValidation(*this, name); |
| |
| if (!isValidName(name)) |
| return Exception { InvalidCharacterError }; |
| |
| return createElement(QualifiedName(nullAtom(), name, nullAtom()), false); |
| } |
| |
| Ref<DocumentFragment> Document::createDocumentFragment() |
| { |
| return DocumentFragment::create(document()); |
| } |
| |
| Ref<Text> Document::createTextNode(const String& data) |
| { |
| return Text::create(*this, data); |
| } |
| |
| Ref<Comment> Document::createComment(const String& data) |
| { |
| return Comment::create(*this, data); |
| } |
| |
| ExceptionOr<Ref<CDATASection>> Document::createCDATASection(const String& data) |
| { |
| if (isHTMLDocument()) |
| return Exception { NotSupportedError }; |
| return CDATASection::create(*this, data); |
| } |
| |
| ExceptionOr<Ref<ProcessingInstruction>> Document::createProcessingInstruction(const String& target, const String& data) |
| { |
| if (!isValidName(target)) |
| return Exception { InvalidCharacterError }; |
| |
| if (data.contains("?>")) |
| return Exception { InvalidCharacterError }; |
| |
| return ProcessingInstruction::create(*this, target, data); |
| } |
| |
| Ref<Text> Document::createEditingTextNode(const String& text) |
| { |
| return Text::createEditingText(*this, text); |
| } |
| |
| Ref<CSSStyleDeclaration> Document::createCSSStyleDeclaration() |
| { |
| Ref<MutableStyleProperties> propertySet(MutableStyleProperties::create()); |
| return propertySet->ensureCSSStyleDeclaration(); |
| } |
| |
| ExceptionOr<Ref<Node>> Document::importNode(Node& nodeToImport, bool deep) |
| { |
| switch (nodeToImport.nodeType()) { |
| case DOCUMENT_FRAGMENT_NODE: |
| if (nodeToImport.isShadowRoot()) |
| break; |
| FALLTHROUGH; |
| case ELEMENT_NODE: |
| case TEXT_NODE: |
| case CDATA_SECTION_NODE: |
| case PROCESSING_INSTRUCTION_NODE: |
| case COMMENT_NODE: |
| return nodeToImport.cloneNodeInternal(document(), deep ? CloningOperation::Everything : CloningOperation::OnlySelf); |
| |
| case ATTRIBUTE_NODE: |
| // FIXME: This will "Attr::normalize" child nodes of Attr. |
| return Ref<Node> { Attr::create(*this, QualifiedName(nullAtom(), downcast<Attr>(nodeToImport).name(), nullAtom()), downcast<Attr>(nodeToImport).value()) }; |
| |
| case DOCUMENT_NODE: // Can't import a document into another document. |
| case DOCUMENT_TYPE_NODE: // FIXME: Support cloning a DocumentType node per DOM4. |
| break; |
| } |
| |
| return Exception { NotSupportedError }; |
| } |
| |
| |
| ExceptionOr<Ref<Node>> Document::adoptNode(Node& source) |
| { |
| EventQueueScope scope; |
| |
| switch (source.nodeType()) { |
| case DOCUMENT_NODE: |
| return Exception { NotSupportedError }; |
| case ATTRIBUTE_NODE: { |
| auto& attr = downcast<Attr>(source); |
| if (auto* element = attr.ownerElement()) { |
| auto result = element->removeAttributeNode(attr); |
| if (result.hasException()) |
| return result.releaseException(); |
| } |
| break; |
| } |
| default: |
| if (source.isShadowRoot()) { |
| // ShadowRoot cannot disconnect itself from the host node. |
| return Exception { HierarchyRequestError }; |
| } |
| if (is<HTMLFrameOwnerElement>(source)) { |
| auto& frameOwnerElement = downcast<HTMLFrameOwnerElement>(source); |
| if (frame() && frame()->tree().isDescendantOf(frameOwnerElement.contentFrame())) |
| return Exception { HierarchyRequestError }; |
| } |
| auto result = source.remove(); |
| if (result.hasException()) |
| return result.releaseException(); |
| RELEASE_ASSERT(!source.isConnected()); |
| RELEASE_ASSERT(!source.parentNode()); |
| } |
| |
| source.setTreeScopeRecursively(*this); |
| |
| return Ref<Node> { source }; |
| } |
| |
| bool Document::hasValidNamespaceForElements(const QualifiedName& qName) |
| { |
| // These checks are from DOM Core Level 2, createElementNS |
| // http://www.w3.org/TR/DOM-Level-2-Core/core.html#ID-DocCrElNS |
| if (!qName.prefix().isEmpty() && qName.namespaceURI().isNull()) // createElementNS(null, "html:div") |
| return false; |
| if (qName.prefix() == xmlAtom() && qName.namespaceURI() != XMLNames::xmlNamespaceURI) // createElementNS("http://www.example.com", "xml:lang") |
| return false; |
| |
| // Required by DOM Level 3 Core and unspecified by DOM Level 2 Core: |
| // http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/core.html#ID-DocCrElNS |
| // createElementNS("http://www.w3.org/2000/xmlns/", "foo:bar"), createElementNS(null, "xmlns:bar"), createElementNS(null, "xmlns") |
| if (qName.prefix() == xmlnsAtom() || (qName.prefix().isEmpty() && qName.localName() == xmlnsAtom())) |
| return qName.namespaceURI() == XMLNSNames::xmlnsNamespaceURI; |
| return qName.namespaceURI() != XMLNSNames::xmlnsNamespaceURI; |
| } |
| |
| bool Document::hasValidNamespaceForAttributes(const QualifiedName& qName) |
| { |
| return hasValidNamespaceForElements(qName); |
| } |
| |
| static Ref<HTMLElement> createFallbackHTMLElement(Document& document, const QualifiedName& name) |
| { |
| if (auto* window = document.domWindow()) { |
| auto* registry = window->customElementRegistry(); |
| if (UNLIKELY(registry)) { |
| if (auto* elementInterface = registry->findInterface(name)) { |
| auto element = HTMLElement::create(name, document); |
| element->enqueueToUpgrade(*elementInterface); |
| return element; |
| } |
| } |
| } |
| // FIXME: Should we also check the equality of prefix between the custom element and name? |
| return createUpgradeCandidateElement(document, name); |
| } |
| |
| // FIXME: This should really be in a possible ElementFactory class. |
| Ref<Element> Document::createElement(const QualifiedName& name, bool createdByParser) |
| { |
| RefPtr<Element> element; |
| |
| // FIXME: Use registered namespaces and look up in a hash to find the right factory. |
| if (name.namespaceURI() == xhtmlNamespaceURI) { |
| element = HTMLElementFactory::createKnownElement(name, *this, nullptr, createdByParser); |
| if (UNLIKELY(!element)) |
| element = createFallbackHTMLElement(*this, name); |
| } else if (name.namespaceURI() == SVGNames::svgNamespaceURI) |
| element = SVGElementFactory::createElement(name, *this, createdByParser); |
| #if ENABLE(MATHML) |
| else if (name.namespaceURI() == MathMLNames::mathmlNamespaceURI) |
| element = MathMLElementFactory::createElement(name, *this, createdByParser); |
| #endif |
| |
| if (element) |
| m_sawElementsInKnownNamespaces = true; |
| else |
| element = Element::create(name, document()); |
| |
| // <image> uses imgTag so we need a special rule. |
| ASSERT((name.matches(imageTag) && element->tagQName().matches(imgTag) && element->tagQName().prefix() == name.prefix()) || name == element->tagQName()); |
| |
| return element.releaseNonNull(); |
| } |
| |
| // https://html.spec.whatwg.org/#valid-custom-element-name |
| |
| struct UnicodeCodePointRange { |
| UChar32 minimum; |
| UChar32 maximum; |
| }; |
| |
| #if !ASSERT_DISABLED |
| |
| static inline bool operator<(const UnicodeCodePointRange& a, const UnicodeCodePointRange& b) |
| { |
| ASSERT(a.minimum <= a.maximum); |
| ASSERT(b.minimum <= b.maximum); |
| return a.maximum < b.minimum; |
| } |
| |
| #endif |
| |
| static inline bool operator<(const UnicodeCodePointRange& a, UChar32 b) |
| { |
| ASSERT(a.minimum <= a.maximum); |
| return a.maximum < b; |
| } |
| |
| static inline bool operator<(UChar32 a, const UnicodeCodePointRange& b) |
| { |
| ASSERT(b.minimum <= b.maximum); |
| return a < b.minimum; |
| } |
| |
| static inline bool isPotentialCustomElementNameCharacter(UChar32 character) |
| { |
| static const UnicodeCodePointRange ranges[] = { |
| { '-', '.' }, |
| { '0', '9' }, |
| { '_', '_' }, |
| { 'a', 'z' }, |
| { 0xB7, 0xB7 }, |
| { 0xC0, 0xD6 }, |
| { 0xD8, 0xF6 }, |
| { 0xF8, 0x37D }, |
| { 0x37F, 0x1FFF }, |
| { 0x200C, 0x200D }, |
| { 0x203F, 0x2040 }, |
| { 0x2070, 0x218F }, |
| { 0x2C00, 0x2FEF }, |
| { 0x3001, 0xD7FF }, |
| { 0xF900, 0xFDCF }, |
| { 0xFDF0, 0xFFFD }, |
| { 0x10000, 0xEFFFF }, |
| }; |
| |
| ASSERT(std::is_sorted(std::begin(ranges), std::end(ranges))); |
| return std::binary_search(std::begin(ranges), std::end(ranges), character); |
| } |
| |
| CustomElementNameValidationStatus Document::validateCustomElementName(const AtomicString& localName) |
| { |
| if (!isASCIILower(localName[0])) |
| return CustomElementNameValidationStatus::FirstCharacterIsNotLowercaseASCIILetter; |
| |
| bool containsHyphen = false; |
| for (auto character : StringView(localName).codePoints()) { |
| if (isASCIIUpper(character)) |
| return CustomElementNameValidationStatus::ContainsUppercaseASCIILetter; |
| if (!isPotentialCustomElementNameCharacter(character)) |
| return CustomElementNameValidationStatus::ContainsDisallowedCharacter; |
| if (character == '-') |
| containsHyphen = true; |
| } |
| |
| if (!containsHyphen) |
| return CustomElementNameValidationStatus::ContainsNoHyphen; |
| |
| #if ENABLE(MATHML) |
| const auto& annotationXmlLocalName = MathMLNames::annotation_xmlTag->localName(); |
| #else |
| static NeverDestroyed<const AtomicString> annotationXmlLocalName("annotation-xml", AtomicString::ConstructFromLiteral); |
| #endif |
| |
| if (localName == SVGNames::color_profileTag->localName() |
| || localName == SVGNames::font_faceTag->localName() |
| || localName == SVGNames::font_face_formatTag->localName() |
| || localName == SVGNames::font_face_nameTag->localName() |
| || localName == SVGNames::font_face_srcTag->localName() |
| || localName == SVGNames::font_face_uriTag->localName() |
| || localName == SVGNames::missing_glyphTag->localName() |
| || localName == annotationXmlLocalName) |
| return CustomElementNameValidationStatus::ConflictsWithStandardElementName; |
| |
| return CustomElementNameValidationStatus::Valid; |
| } |
| |
| ExceptionOr<Ref<Element>> Document::createElementNS(const AtomicString& namespaceURI, const String& qualifiedName) |
| { |
| auto parseResult = parseQualifiedName(namespaceURI, qualifiedName); |
| if (parseResult.hasException()) |
| return parseResult.releaseException(); |
| QualifiedName parsedName { parseResult.releaseReturnValue() }; |
| if (!hasValidNamespaceForElements(parsedName)) |
| return Exception { NamespaceError }; |
| |
| if (parsedName.namespaceURI() == xhtmlNamespaceURI) |
| return createHTMLElementWithNameValidation(*this, parsedName); |
| |
| return createElement(parsedName, false); |
| } |
| |
| void Document::setReadyState(ReadyState readyState) |
| { |
| if (readyState == m_readyState) |
| return; |
| |
| switch (readyState) { |
| case Loading: |
| if (!m_documentTiming.domLoading) |
| m_documentTiming.domLoading = MonotonicTime::now(); |
| break; |
| case Interactive: |
| if (!m_documentTiming.domInteractive) |
| m_documentTiming.domInteractive = MonotonicTime::now(); |
| break; |
| case Complete: |
| if (!m_documentTiming.domComplete) |
| m_documentTiming.domComplete = MonotonicTime::now(); |
| break; |
| } |
| |
| m_readyState = readyState; |
| dispatchEvent(Event::create(eventNames().readystatechangeEvent, false, false)); |
| |
| if (settings().suppressesIncrementalRendering()) |
| setVisualUpdatesAllowed(readyState); |
| } |
| |
| void Document::setVisualUpdatesAllowed(ReadyState readyState) |
| { |
| ASSERT(settings().suppressesIncrementalRendering()); |
| switch (readyState) { |
| case Loading: |
| ASSERT(!m_visualUpdatesSuppressionTimer.isActive()); |
| ASSERT(m_visualUpdatesAllowed); |
| setVisualUpdatesAllowed(false); |
| break; |
| case Interactive: |
| ASSERT(m_visualUpdatesSuppressionTimer.isActive() || m_visualUpdatesAllowed); |
| break; |
| case Complete: |
| if (m_visualUpdatesSuppressionTimer.isActive()) { |
| ASSERT(!m_visualUpdatesAllowed); |
| |
| if (view() && !view()->visualUpdatesAllowedByClient()) |
| return; |
| |
| setVisualUpdatesAllowed(true); |
| } else |
| ASSERT(m_visualUpdatesAllowed); |
| break; |
| } |
| } |
| |
| void Document::setVisualUpdatesAllowed(bool visualUpdatesAllowed) |
| { |
| if (m_visualUpdatesAllowed == visualUpdatesAllowed) |
| return; |
| |
| m_visualUpdatesAllowed = visualUpdatesAllowed; |
| |
| if (visualUpdatesAllowed) |
| m_visualUpdatesSuppressionTimer.stop(); |
| else |
| m_visualUpdatesSuppressionTimer.startOneShot(1_s * settings().incrementalRenderingSuppressionTimeoutInSeconds()); |
| |
| if (!visualUpdatesAllowed) |
| return; |
| |
| RefPtr<FrameView> frameView = view(); |
| bool needsLayout = frameView && renderView() && (frameView->layoutContext().isLayoutPending() || renderView()->needsLayout()); |
| if (needsLayout) |
| updateLayout(); |
| |
| if (Page* page = this->page()) { |
| if (frame()->isMainFrame()) { |
| frameView->addPaintPendingMilestones(DidFirstPaintAfterSuppressedIncrementalRendering); |
| if (page->requestedLayoutMilestones() & DidFirstLayoutAfterSuppressedIncrementalRendering) |
| frame()->loader().didReachLayoutMilestone(DidFirstLayoutAfterSuppressedIncrementalRendering); |
| } |
| } |
| |
| if (frameView) |
| frameView->updateCompositingLayersAfterLayout(); |
| |
| if (RenderView* renderView = this->renderView()) |
| renderView->repaintViewAndCompositedLayers(); |
| |
| if (Frame* frame = this->frame()) |
| frame->loader().forcePageTransitionIfNeeded(); |
| } |
| |
| void Document::visualUpdatesSuppressionTimerFired() |
| { |
| ASSERT(!m_visualUpdatesAllowed); |
| |
| // If the client is extending the visual update suppression period explicitly, the |
| // watchdog should not re-enable visual updates itself, but should wait for the client. |
| if (view() && !view()->visualUpdatesAllowedByClient()) |
| return; |
| |
| setVisualUpdatesAllowed(true); |
| } |
| |
| void Document::setVisualUpdatesAllowedByClient(bool visualUpdatesAllowedByClient) |
| { |
| // We should only re-enable visual updates if ReadyState is Completed or the watchdog timer has fired, |
| // both of which we can determine by looking at the timer. |
| |
| if (visualUpdatesAllowedByClient && !m_visualUpdatesSuppressionTimer.isActive() && !visualUpdatesAllowed()) |
| setVisualUpdatesAllowed(true); |
| } |
| |
| String Document::characterSetWithUTF8Fallback() const |
| { |
| AtomicString name = encoding(); |
| if (!name.isNull()) |
| return name; |
| return UTF8Encoding().domName(); |
| } |
| |
| String Document::defaultCharsetForLegacyBindings() const |
| { |
| if (!frame()) |
| UTF8Encoding().domName(); |
| return settings().defaultTextEncodingName(); |
| } |
| |
| void Document::setCharset(const String& charset) |
| { |
| if (!decoder()) |
| return; |
| decoder()->setEncoding(charset, TextResourceDecoder::UserChosenEncoding); |
| } |
| |
| void Document::setContentLanguage(const String& language) |
| { |
| if (m_contentLanguage == language) |
| return; |
| m_contentLanguage = language; |
| |
| // Recalculate style so language is used when selecting the initial font. |
| m_styleScope->didChangeStyleSheetEnvironment(); |
| } |
| |
| ExceptionOr<void> Document::setXMLVersion(const String& version) |
| { |
| if (!XMLDocumentParser::supportsXMLVersion(version)) |
| return Exception { NotSupportedError }; |
| |
| m_xmlVersion = version; |
| return { }; |
| } |
| |
| void Document::setXMLStandalone(bool standalone) |
| { |
| m_xmlStandalone = standalone ? Standalone : NotStandalone; |
| } |
| |
| void Document::setDocumentURI(const String& uri) |
| { |
| // This property is read-only from JavaScript, but writable from Objective-C. |
| m_documentURI = uri; |
| updateBaseURL(); |
| } |
| |
| void Document::setContent(const String& content) |
| { |
| open(); |
| // FIXME: This should probably use insert(), but that's (intentionally) |
| // not implemented for the XML parser as it's normally synonymous with |
| // document.write(). append() will end up yielding, but close() will |
| // pump the tokenizer syncrhonously and finish the parse. |
| m_parser->append(content.impl()); |
| close(); |
| } |
| |
| String Document::suggestedMIMEType() const |
| { |
| if (isXHTMLDocument()) |
| return ASCIILiteral("application/xhtml+xml"); |
| if (isSVGDocument()) |
| return ASCIILiteral("image/svg+xml"); |
| if (xmlStandalone()) |
| return ASCIILiteral("text/xml"); |
| if (isHTMLDocument()) |
| return ASCIILiteral("text/html"); |
| if (DocumentLoader* loader = this->loader()) |
| return loader->responseMIMEType(); |
| return String(); |
| } |
| |
| void Document::overrideMIMEType(const String& mimeType) |
| { |
| m_overriddenMIMEType = mimeType; |
| } |
| |
| String Document::contentType() const |
| { |
| if (!m_overriddenMIMEType.isNull()) |
| return m_overriddenMIMEType; |
| |
| if (DocumentLoader* documentLoader = loader()) |
| return documentLoader->currentContentType(); |
| |
| String mimeType = suggestedMIMEType(); |
| if (!mimeType.isNull()) |
| return mimeType; |
| |
| return ASCIILiteral("application/xml"); |
| } |
| |
| RefPtr<Range> Document::caretRangeFromPoint(int x, int y) |
| { |
| return caretRangeFromPoint(LayoutPoint(x, y)); |
| } |
| |
| RefPtr<Range> Document::caretRangeFromPoint(const LayoutPoint& clientPoint) |
| { |
| if (!hasLivingRenderTree()) |
| return nullptr; |
| |
| LayoutPoint localPoint; |
| Node* node = nodeFromPoint(clientPoint, &localPoint); |
| if (!node) |
| return nullptr; |
| |
| RenderObject* renderer = node->renderer(); |
| if (!renderer) |
| return nullptr; |
| Position rangeCompliantPosition = renderer->positionForPoint(localPoint).parentAnchoredEquivalent(); |
| if (rangeCompliantPosition.isNull()) |
| return nullptr; |
| |
| unsigned offset = rangeCompliantPosition.offsetInContainerNode(); |
| node = &retargetToScope(*rangeCompliantPosition.containerNode()); |
| if (node != rangeCompliantPosition.containerNode()) |
| offset = 0; |
| |
| return Range::create(*this, node, offset, node, offset); |
| } |
| |
| Element* Document::scrollingElement() |
| { |
| // FIXME: When we fix https://bugs.webkit.org/show_bug.cgi?id=106133, this should be replaced with the full implementation |
| // of Document.scrollingElement() as specified at http://dev.w3.org/csswg/cssom-view/#dom-document-scrollingelement. |
| |
| return body(); |
| } |
| |
| template<typename CharacterType> static inline String canonicalizedTitle(Document& document, const String& title) |
| { |
| // FIXME: Compiling a separate copy of this for LChar and UChar is likely unnecessary. |
| // FIXME: Missing an optimized case for when title is fine as-is. This unnecessarily allocates |
| // and keeps around a new copy, and it's even the less optimal type of StringImpl with a separate buffer. |
| // Could probably just use StringBuilder instead. |
| |
| auto* characters = title.characters<CharacterType>(); |
| unsigned length = title.length(); |
| |
| StringBuffer<CharacterType> buffer { length }; |
| unsigned bufferLength = 0; |
| |
| auto* decoder = document.decoder(); |
| auto backslashAsCurrencySymbol = decoder ? decoder->encoding().backslashAsCurrencySymbol() : '\\'; |
| |
| // Collapse runs of HTML spaces into single space characters. |
| // Strip leading and trailing spaces. |
| // Replace backslashes with currency symbols. |
| bool previousCharacterWasHTMLSpace = false; |
| for (unsigned i = 0; i < length; ++i) { |
| auto character = characters[i]; |
| if (isHTMLSpace(character)) |
| previousCharacterWasHTMLSpace = true; |
| else { |
| if (character == '\\') |
| character = backslashAsCurrencySymbol; |
| if (previousCharacterWasHTMLSpace && bufferLength) |
| buffer[bufferLength++] = ' '; |
| buffer[bufferLength++] = character; |
| previousCharacterWasHTMLSpace = false; |
| } |
| } |
| if (!bufferLength) |
| return { }; |
| |
| buffer.shrink(bufferLength); |
| return String::adopt(WTFMove(buffer)); |
| } |
| |
| void Document::updateTitle(const StringWithDirection& title) |
| { |
| if (m_rawTitle == title) |
| return; |
| |
| m_rawTitle = title; |
| m_title = title; |
| |
| if (!m_title.string.isEmpty()) { |
| if (m_title.string.is8Bit()) |
| m_title.string = canonicalizedTitle<LChar>(*this, m_title.string); |
| else |
| m_title.string = canonicalizedTitle<UChar>(*this, m_title.string); |
| } |
| |
| if (auto* loader = this->loader()) |
| loader->setTitle(m_title); |
| } |
| |
| void Document::updateTitleFromTitleElement() |
| { |
| if (!m_titleElement) { |
| updateTitle({ }); |
| return; |
| } |
| |
| if (is<HTMLTitleElement>(*m_titleElement)) |
| updateTitle(downcast<HTMLTitleElement>(*m_titleElement).textWithDirection()); |
| else if (is<SVGTitleElement>(*m_titleElement)) { |
| // FIXME: Does the SVG title element have a text direction? |
| updateTitle({ downcast<SVGTitleElement>(*m_titleElement).textContent(), LTR }); |
| } |
| } |
| |
| void Document::setTitle(const String& title) |
| { |
| if (!m_titleElement) { |
| if (isHTMLDocument() || isXHTMLDocument()) { |
| auto* headElement = head(); |
| if (!headElement) |
| return; |
| m_titleElement = HTMLTitleElement::create(HTMLNames::titleTag, *this); |
| headElement->appendChild(*m_titleElement); |
| } else if (isSVGDocument()) { |
| auto* element = documentElement(); |
| if (!is<SVGSVGElement>(element)) |
| return; |
| m_titleElement = SVGTitleElement::create(SVGNames::titleTag, *this); |
| element->insertBefore(*m_titleElement, element->firstChild()); |
| } |
| } else if (!isHTMLDocument() && !isXHTMLDocument() && !isSVGDocument()) { |
| // FIXME: What exactly is the point of this? This seems like a strange moment |
| // in time to demote something from being m_titleElement, when setting the |
| // value of the title attribute. Do we have test coverage for this? |
| m_titleElement = nullptr; |
| } |
| |
| if (is<HTMLTitleElement>(m_titleElement.get())) |
| downcast<HTMLTitleElement>(*m_titleElement).setTextContent(title); |
| else if (is<SVGTitleElement>(m_titleElement.get())) |
| downcast<SVGTitleElement>(*m_titleElement).setTextContent(title); |
| else |
| updateTitle({ title, LTR }); |
| } |
| |
| template<typename> struct TitleTraits; |
| |
| template<> struct TitleTraits<HTMLTitleElement> { |
| static bool isInEligibleLocation(HTMLTitleElement& element) { return element.isConnected() && !element.isInShadowTree(); } |
| static HTMLTitleElement* findTitleElement(Document& document) { return descendantsOfType<HTMLTitleElement>(document).first(); } |
| }; |
| |
| template<> struct TitleTraits<SVGTitleElement> { |
| static bool isInEligibleLocation(SVGTitleElement& element) { return element.parentNode() == element.document().documentElement(); } |
| static SVGTitleElement* findTitleElement(Document& document) { return childrenOfType<SVGTitleElement>(*document.documentElement()).first(); } |
| }; |
| |
| template<typename TitleElement> Element* selectNewTitleElement(Document& document, Element* oldTitleElement, Element& changingTitleElement) |
| { |
| using Traits = TitleTraits<TitleElement>; |
| |
| if (!is<TitleElement>(changingTitleElement)) { |
| ASSERT(oldTitleElement == Traits::findTitleElement(document)); |
| return oldTitleElement; |
| } |
| |
| if (oldTitleElement) |
| return Traits::findTitleElement(document); |
| |
| // Optimized common case: We have no title element yet. |
| // We can figure out which title element should be used without searching. |
| bool isEligible = Traits::isInEligibleLocation(downcast<TitleElement>(changingTitleElement)); |
| auto* newTitleElement = isEligible ? &changingTitleElement : nullptr; |
| ASSERT(newTitleElement == Traits::findTitleElement(document)); |
| return newTitleElement; |
| } |
| |
| void Document::updateTitleElement(Element& changingTitleElement) |
| { |
| // Most documents use HTML title rules. |
| // Documents with SVG document elements use SVG title rules. |
| auto selectTitleElement = is<SVGSVGElement>(documentElement()) |
| ? selectNewTitleElement<SVGTitleElement> : selectNewTitleElement<HTMLTitleElement>; |
| auto newTitleElement = selectTitleElement(*this, m_titleElement.get(), changingTitleElement); |
| if (m_titleElement == newTitleElement) |
| return; |
| m_titleElement = newTitleElement; |
| updateTitleFromTitleElement(); |
| } |
| |
| void Document::titleElementAdded(Element& titleElement) |
| { |
| if (m_titleElement == &titleElement) |
| return; |
| |
| updateTitleElement(titleElement); |
| } |
| |
| void Document::titleElementRemoved(Element& titleElement) |
| { |
| if (m_titleElement != &titleElement) |
| return; |
| |
| updateTitleElement(titleElement); |
| } |
| |
| void Document::titleElementTextChanged(Element& titleElement) |
| { |
| if (m_titleElement != &titleElement) |
| return; |
| |
| updateTitleFromTitleElement(); |
| } |
| |
| void Document::registerForVisibilityStateChangedCallbacks(VisibilityChangeClient* client) |
| { |
| m_visibilityStateCallbackClients.add(client); |
| } |
| |
| void Document::unregisterForVisibilityStateChangedCallbacks(VisibilityChangeClient* client) |
| { |
| m_visibilityStateCallbackClients.remove(client); |
| } |
| |
| void Document::visibilityStateChanged() |
| { |
| enqueueDocumentEvent(Event::create(eventNames().visibilitychangeEvent, false, false)); |
| for (auto* client : m_visibilityStateCallbackClients) |
| client->visibilityStateChanged(); |
| |
| notifyMediaCaptureOfVisibilityChanged(); |
| } |
| |
| VisibilityState Document::visibilityState() const |
| { |
| // The visibility of the document is inherited from the visibility of the |
| // page. If there is no page associated with the document, we will assume |
| // that the page is hidden, as specified by the spec: |
| // http://dvcs.w3.org/hg/webperf/raw-file/tip/specs/PageVisibility/Overview.html#dom-document-hidden |
| if (!m_frame || !m_frame->page()) |
| return VisibilityState::Hidden; |
| return m_frame->page()->visibilityState(); |
| } |
| |
| bool Document::hidden() const |
| { |
| return visibilityState() != VisibilityState::Visible; |
| } |
| |
| #if ENABLE(VIDEO) |
| |
| void Document::registerForAllowsMediaDocumentInlinePlaybackChangedCallbacks(HTMLMediaElement& element) |
| { |
| m_allowsMediaDocumentInlinePlaybackElements.add(&element); |
| } |
| |
| void Document::unregisterForAllowsMediaDocumentInlinePlaybackChangedCallbacks(HTMLMediaElement& element) |
| { |
| m_allowsMediaDocumentInlinePlaybackElements.remove(&element); |
| } |
| |
| void Document::allowsMediaDocumentInlinePlaybackChanged() |
| { |
| for (auto* element : m_allowsMediaDocumentInlinePlaybackElements) |
| element->allowsMediaDocumentInlinePlaybackChanged(); |
| } |
| |
| #endif |
| |
| String Document::nodeName() const |
| { |
| return ASCIILiteral("#document"); |
| } |
| |
| Node::NodeType Document::nodeType() const |
| { |
| return DOCUMENT_NODE; |
| } |
| |
| FormController& Document::formController() |
| { |
| if (!m_formController) |
| m_formController = std::make_unique<FormController>(); |
| return *m_formController; |
| } |
| |
| Vector<String> Document::formElementsState() const |
| { |
| if (!m_formController) |
| return Vector<String>(); |
| return m_formController->formElementsState(); |
| } |
| |
| void Document::setStateForNewFormElements(const Vector<String>& stateVector) |
| { |
| if (!stateVector.size() && !m_formController) |
| return; |
| formController().setStateForNewFormElements(stateVector); |
| } |
| |
| FrameView* Document::view() const |
| { |
| return m_frame ? m_frame->view() : nullptr; |
| } |
| |
| Page* Document::page() const |
| { |
| return m_frame ? m_frame->page() : nullptr; |
| } |
| |
| Ref<Range> Document::createRange() |
| { |
| return Range::create(*this); |
| } |
| |
| Ref<NodeIterator> Document::createNodeIterator(Node& root, unsigned long whatToShow, RefPtr<NodeFilter>&& filter, bool) |
| { |
| return NodeIterator::create(root, whatToShow, WTFMove(filter)); |
| } |
| |
| Ref<TreeWalker> Document::createTreeWalker(Node& root, unsigned long whatToShow, RefPtr<NodeFilter>&& filter, bool) |
| { |
| return TreeWalker::create(root, whatToShow, WTFMove(filter)); |
| } |
| |
| void Document::scheduleForcedStyleRecalc() |
| { |
| m_pendingStyleRecalcShouldForce = true; |
| scheduleStyleRecalc(); |
| } |
| |
| void Document::scheduleStyleRecalc() |
| { |
| ASSERT(!m_renderView || !m_renderView->inHitTesting()); |
| |
| if (m_styleRecalcTimer.isActive() || pageCacheState() != NotInPageCache) |
| return; |
| |
| ASSERT(childNeedsStyleRecalc() || m_pendingStyleRecalcShouldForce); |
| |
| // FIXME: Why on earth is this here? This is clearly misplaced. |
| invalidateAccessKeyMap(); |
| |
| m_styleRecalcTimer.startOneShot(0_s); |
| |
| InspectorInstrumentation::didScheduleStyleRecalculation(*this); |
| } |
| |
| void Document::unscheduleStyleRecalc() |
| { |
| ASSERT(!childNeedsStyleRecalc()); |
| |
| m_styleRecalcTimer.stop(); |
| m_pendingStyleRecalcShouldForce = false; |
| } |
| |
| bool Document::hasPendingStyleRecalc() const |
| { |
| return m_styleRecalcTimer.isActive() && !m_inStyleRecalc; |
| } |
| |
| bool Document::hasPendingForcedStyleRecalc() const |
| { |
| return m_styleRecalcTimer.isActive() && m_pendingStyleRecalcShouldForce; |
| } |
| |
| void Document::resolveStyle(ResolveStyleType type) |
| { |
| ASSERT(!view() || !view()->isPainting()); |
| |
| // NOTE: XSL code seems to be the only client stumbling in here without a RenderView. |
| if (!m_renderView) |
| return; |
| |
| FrameView& frameView = m_renderView->frameView(); |
| Ref<FrameView> protect(frameView); |
| if (frameView.isPainting()) |
| return; |
| |
| if (m_inStyleRecalc) |
| return; // Guard against re-entrancy. -dwh |
| |
| TraceScope tracingScope(StyleRecalcStart, StyleRecalcEnd); |
| |
| RenderView::RepaintRegionAccumulator repaintRegionAccumulator(renderView()); |
| AnimationUpdateBlock animationUpdateBlock(&m_frame->animation()); |
| |
| // FIXME: Do this update per tree scope. |
| { |
| auto elements = copyToVectorOf<RefPtr<SVGUseElement>>(m_svgUseElements); |
| // We can't clear m_svgUseElements here because updateShadowTree may end up executing arbitrary scripts |
| // which may insert new SVG use elements or remove existing ones inside sync IPC via ImageLoader::updateFromElement. |
| for (auto& element : elements) |
| element->updateShadowTree(); |
| } |
| |
| // FIXME: We should update style on our ancestor chain before proceeding (especially for seamless), |
| // however doing so currently causes several tests to crash, as Frame::setDocument calls Document::attach |
| // before setting the DOMWindow on the Frame, or the SecurityOrigin on the document. The attach, in turn |
| // resolves style (here) and then when we resolve style on the parent chain, we may end up |
| // re-attaching our containing iframe, which when asked HTMLFrameElementBase::isURLAllowed |
| // hits a null-dereference due to security code always assuming the document has a SecurityOrigin. |
| |
| { |
| ScriptDisallowedScope::InMainThread scriptDisallowedScope; |
| styleScope().flushPendingUpdate(); |
| frameView.willRecalcStyle(); |
| } |
| |
| InspectorInstrumentationCookie cookie = InspectorInstrumentation::willRecalculateStyle(*this); |
| |
| bool updatedCompositingLayers = false; |
| { |
| Style::PostResolutionCallbackDisabler disabler(*this); |
| WidgetHierarchyUpdatesSuspensionScope suspendWidgetHierarchyUpdates; |
| ScriptDisallowedScope::InMainThread scriptDisallowedScope; |
| |
| m_inStyleRecalc = true; |
| |
| if (m_pendingStyleRecalcShouldForce) |
| type = ResolveStyleType::Rebuild; |
| |
| if (type == ResolveStyleType::Rebuild) { |
| // This may get set again during style resolve. |
| m_hasNodesWithNonFinalStyle = false; |
| m_hasNodesWithMissingStyle = false; |
| |
| auto documentStyle = Style::resolveForDocument(*this); |
| |
| // Inserting the pictograph font at the end of the font fallback list is done by the |
| // font selector, so set a font selector if needed. |
| if (settings().fontFallbackPrefersPictographs()) |
| documentStyle.fontCascade().update(&fontSelector()); |
| |
| auto documentChange = Style::determineChange(documentStyle, m_renderView->style()); |
| if (documentChange != Style::NoChange) |
| renderView()->setStyle(WTFMove(documentStyle)); |
| |
| if (auto* documentElement = this->documentElement()) |
| documentElement->invalidateStyleForSubtree(); |
| } |
| |
| Style::TreeResolver resolver(*this); |
| auto styleUpdate = resolver.resolve(); |
| |
| m_lastStyleUpdateSizeForTesting = styleUpdate ? styleUpdate->size() : 0; |
| |
| setHasValidStyle(); |
| clearChildNeedsStyleRecalc(); |
| unscheduleStyleRecalc(); |
| |
| m_inStyleRecalc = false; |
| |
| if (styleUpdate) { |
| SetForScope<bool> inRenderTreeUpdate(m_inRenderTreeUpdate, true); |
| |
| RenderTreeUpdater updater(*this); |
| updater.commit(WTFMove(styleUpdate)); |
| |
| frameView.styleDidChange(); |
| } |
| |
| updatedCompositingLayers = frameView.updateCompositingLayersAfterStyleChange(); |
| |
| if (m_renderView->needsLayout()) |
| frameView.layoutContext().scheduleLayout(); |
| |
| // Usually this is handled by post-layout. |
| if (!frameView.needsLayout()) |
| frameView.frame().selection().scheduleAppearanceUpdateAfterStyleChange(); |
| |
| // As a result of the style recalculation, the currently hovered element might have been |
| // detached (for example, by setting display:none in the :hover style), schedule another mouseMove event |
| // to check if any other elements ended up under the mouse pointer due to re-layout. |
| if (m_hoveredElement && !m_hoveredElement->renderer()) |
| frameView.frame().mainFrame().eventHandler().dispatchFakeMouseMoveEventSoon(); |
| |
| ++m_styleRecalcCount; |
| // FIXME: Assert ASSERT(!needsStyleRecalc()) here. Do we still have some cases where it's not true? |
| } |
| |
| // If we wanted to call implicitClose() during recalcStyle, do so now that we're finished. |
| if (m_closeAfterStyleRecalc) { |
| m_closeAfterStyleRecalc = false; |
| implicitClose(); |
| } |
| |
| InspectorInstrumentation::didRecalculateStyle(cookie); |
| |
| // Some animated images may now be inside the viewport due to style recalc, |
| // resume them if necessary if there is no layout pending. Otherwise, we'll |
| // check if they need to be resumed after layout. |
| if (updatedCompositingLayers && !frameView.needsLayout()) |
| frameView.viewportContentsChanged(); |
| |
| if (m_gotoAnchorNeededAfterStylesheetsLoad && !styleScope().hasPendingSheets()) |
| frameView.scrollToFragment(m_url); |
| } |
| |
| void Document::updateTextRenderer(Text& text, unsigned offsetOfReplacedText, unsigned lengthOfReplacedText) |
| { |
| ASSERT(!m_inRenderTreeUpdate); |
| SetForScope<bool> inRenderTreeUpdate(m_inRenderTreeUpdate, true); |
| |
| auto textUpdate = std::make_unique<Style::Update>(*this); |
| textUpdate->addText(text, { offsetOfReplacedText, lengthOfReplacedText, std::nullopt }); |
| |
| RenderTreeUpdater renderTreeUpdater(*this); |
| renderTreeUpdater.commit(WTFMove(textUpdate)); |
| } |
| |
| bool Document::needsStyleRecalc() const |
| { |
| if (pageCacheState() != NotInPageCache) |
| return false; |
| |
| if (m_pendingStyleRecalcShouldForce) |
| return true; |
| |
| if (childNeedsStyleRecalc()) |
| return true; |
| |
| if (styleScope().hasPendingUpdate()) |
| return true; |
| |
| // Ensure this happens eventually as it is currently in resolveStyle. This can be removed if the code moves. |
| if (m_gotoAnchorNeededAfterStylesheetsLoad && !styleScope().hasPendingSheets()) |
| return true; |
| |
| return false; |
| } |
| |
| static bool isSafeToUpdateStyleOrLayout(const Document& document) |
| { |
| bool isSafeToExecuteScript = ScriptDisallowedScope::InMainThread::isScriptAllowed(); |
| auto* frameView = document.view(); |
| bool isInFrameFlattening = frameView && frameView->isInChildFrameWithFrameFlattening(); |
| bool isAssertionDisabled = ScriptDisallowedScope::LayoutAssertionDisableScope::shouldDisable(); |
| return isSafeToExecuteScript || isInFrameFlattening || !isInWebProcess() || isAssertionDisabled; |
| } |
| |
| bool Document::updateStyleIfNeeded() |
| { |
| RefPtr<FrameView> frameView = view(); |
| { |
| ScriptDisallowedScope::InMainThread scriptDisallowedScope; |
| ASSERT(isMainThread()); |
| ASSERT(!frameView || !frameView->isPainting()); |
| |
| if (!frameView || frameView->layoutContext().isInRenderTreeLayout()) |
| return false; |
| |
| styleScope().flushPendingUpdate(); |
| |
| if (!needsStyleRecalc()) |
| return false; |
| } |
| |
| // The early exit above for !needsStyleRecalc() is needed when updateWidgetPositions() is called in runOrScheduleAsynchronousTasks(). |
| RELEASE_ASSERT_WITH_SECURITY_IMPLICATION(isSafeToUpdateStyleOrLayout(*this)); |
| |
| resolveStyle(); |
| return true; |
| } |
| |
| void Document::updateLayout() |
| { |
| ASSERT(isMainThread()); |
| |
| RefPtr<FrameView> frameView = view(); |
| if (frameView && frameView->layoutContext().isInRenderTreeLayout()) { |
| // View layout should not be re-entrant. |
| ASSERT_NOT_REACHED(); |
| return; |
| } |
| RELEASE_ASSERT_WITH_SECURITY_IMPLICATION(isSafeToUpdateStyleOrLayout(*this)); |
| |
| RenderView::RepaintRegionAccumulator repaintRegionAccumulator(renderView()); |
| |
| if (HTMLFrameOwnerElement* owner = ownerElement()) |
| owner->document().updateLayout(); |
| |
| updateStyleIfNeeded(); |
| |
| StackStats::LayoutCheckPoint layoutCheckPoint; |
| |
| // Only do a layout if changes have occurred that make it necessary. |
| if (frameView && renderView() && (frameView->layoutContext().isLayoutPending() || renderView()->needsLayout())) |
| frameView->layoutContext().layout(); |
| } |
| |
| void Document::updateLayoutIgnorePendingStylesheets(Document::RunPostLayoutTasks runPostLayoutTasks) |
| { |
| bool oldIgnore = m_ignorePendingStylesheets; |
| |
| if (!haveStylesheetsLoaded()) { |
| m_ignorePendingStylesheets = true; |
| // FIXME: This should just invalidate elements with missing styles. |
| if (m_hasNodesWithMissingStyle) |
| scheduleForcedStyleRecalc(); |
| } |
| |
| updateLayout(); |
| |
| if (runPostLayoutTasks == RunPostLayoutTasks::Synchronously && view()) |
| view()->flushAnyPendingPostLayoutTasks(); |
| |
| m_ignorePendingStylesheets = oldIgnore; |
| } |
| |
| std::unique_ptr<RenderStyle> Document::styleForElementIgnoringPendingStylesheets(Element& element, const RenderStyle* parentStyle, PseudoId pseudoElementSpecifier) |
| { |
| ASSERT(&element.document() == this); |
| ASSERT(!element.isPseudoElement() || !pseudoElementSpecifier); |
| ASSERT(!pseudoElementSpecifier || parentStyle); |
| |
| // On iOS request delegates called during styleForElement may result in re-entering WebKit and killing the style resolver. |
| Style::PostResolutionCallbackDisabler disabler(*this); |
| |
| SetForScope<bool> change(m_ignorePendingStylesheets, true); |
| auto& resolver = element.styleResolver(); |
| |
| if (pseudoElementSpecifier) |
| return resolver.pseudoStyleForElement(element, PseudoStyleRequest(pseudoElementSpecifier), *parentStyle); |
| |
| auto elementStyle = resolver.styleForElement(element, parentStyle); |
| if (elementStyle.relations) { |
| Style::Update emptyUpdate(*this); |
| Style::commitRelations(WTFMove(elementStyle.relations), emptyUpdate); |
| } |
| |
| return WTFMove(elementStyle.renderStyle); |
| } |
| |
| bool Document::updateLayoutIfDimensionsOutOfDate(Element& element, DimensionsCheck dimensionsCheck) |
| { |
| ASSERT(isMainThread()); |
| |
| // If the stylesheets haven't loaded, just give up and do a full layout ignoring pending stylesheets. |
| if (!haveStylesheetsLoaded()) { |
| updateLayoutIgnorePendingStylesheets(); |
| return true; |
| } |
| |
| // Check for re-entrancy and assert (same code that is in updateLayout()). |
| RefPtr<FrameView> frameView = view(); |
| if (frameView && frameView->layoutContext().isInRenderTreeLayout()) { |
| // View layout should not be re-entrant. |
| ASSERT_NOT_REACHED(); |
| return true; |
| } |
| |
| RenderView::RepaintRegionAccumulator repaintRegionAccumulator(renderView()); |
| |
| // Mimic the structure of updateLayout(), but at each step, see if we have been forced into doing a full |
| // layout. |
| bool requireFullLayout = false; |
| if (HTMLFrameOwnerElement* owner = ownerElement()) { |
| if (owner->document().updateLayoutIfDimensionsOutOfDate(*owner)) |
| requireFullLayout = true; |
| } |
| |
| updateStyleIfNeeded(); |
| |
| RenderObject* renderer = element.renderer(); |
| if (!renderer || renderer->needsLayout()) { |
| // If we don't have a renderer or if the renderer needs layout for any reason, give up. |
| requireFullLayout = true; |
| } |
| |
| // Turn off this optimization for input elements with shadow content. |
| if (is<HTMLInputElement>(element)) |
| requireFullLayout = true; |
| |
| bool isVertical = renderer && !renderer->isHorizontalWritingMode(); |
| bool checkingLogicalWidth = ((dimensionsCheck & WidthDimensionsCheck) && !isVertical) || ((dimensionsCheck & HeightDimensionsCheck) && isVertical); |
| bool checkingLogicalHeight = ((dimensionsCheck & HeightDimensionsCheck) && !isVertical) || ((dimensionsCheck & WidthDimensionsCheck) && isVertical); |
| bool hasSpecifiedLogicalHeight = renderer && renderer->style().logicalMinHeight() == Length(0, Fixed) && renderer->style().logicalHeight().isFixed() && renderer->style().logicalMaxHeight().isAuto(); |
| |
| if (!requireFullLayout) { |
| RenderBox* previousBox = nullptr; |
| RenderBox* currentBox = nullptr; |
| |
| // Check our containing block chain. If anything in the chain needs a layout, then require a full layout. |
| for (RenderObject* currRenderer = element.renderer(); currRenderer && !currRenderer->isRenderView(); currRenderer = currRenderer->container()) { |
| |
| // Require the entire container chain to be boxes. |
| if (!is<RenderBox>(currRenderer)) { |
| requireFullLayout = true; |
| break; |
| } |
| |
| previousBox = currentBox; |
| currentBox = downcast<RenderBox>(currRenderer); |
| |
| // If a box needs layout for itself or if a box has changed children and sizes its width to |
| // its content, then require a full layout. |
| if (currentBox->selfNeedsLayout() || |
| (checkingLogicalWidth && currRenderer->needsLayout() && currentBox->sizesLogicalWidthToFitContent(MainOrPreferredSize))) { |
| requireFullLayout = true; |
| break; |
| } |
| |
| // If a block contains floats and the child's height isn't specified, then |
| // give up also, since our height could end up being influenced by the floats. |
| if (checkingLogicalHeight && !hasSpecifiedLogicalHeight && currentBox->isRenderBlockFlow()) { |
| RenderBlockFlow* currentBlockFlow = downcast<RenderBlockFlow>(currentBox); |
| if (currentBlockFlow->containsFloats() && previousBox && !previousBox->isFloatingOrOutOfFlowPositioned()) { |
| requireFullLayout = true; |
| break; |
| } |
| } |
| |
| if (!currentBox->isRenderBlockFlow() || currentBox->enclosingFragmentedFlow() || currentBox->isWritingModeRoot()) { |
| // FIXME: For now require only block flows all the way back to the root. This limits the optimization |
| // for now, and we'll expand it in future patches to apply to more and more scenarios. |
| // Disallow columns from having the optimization. |
| // Give up if the writing mode changes at all in the containing block chain. |
| requireFullLayout = true; |
| break; |
| } |
| |
| if (currRenderer == frameView->layoutContext().subtreeLayoutRoot()) |
| break; |
| } |
| } |
| |
| StackStats::LayoutCheckPoint layoutCheckPoint; |
| |
| // Only do a layout if changes have occurred that make it necessary. |
| if (requireFullLayout && frameView && renderView() && (frameView->layoutContext().isLayoutPending() || renderView()->needsLayout())) |
| frameView->layoutContext().layout(); |
| |
| return requireFullLayout; |
| } |
| |
| bool Document::isPageBoxVisible(int pageIndex) |
| { |
| updateStyleIfNeeded(); |
| std::unique_ptr<RenderStyle> pageStyle(styleScope().resolver().styleForPage(pageIndex)); |
| return pageStyle->visibility() != HIDDEN; // display property doesn't apply to @page. |
| } |
| |
| void Document::pageSizeAndMarginsInPixels(int pageIndex, IntSize& pageSize, int& marginTop, int& marginRight, int& marginBottom, int& marginLeft) |
| { |
| updateStyleIfNeeded(); |
| auto style = styleScope().resolver().styleForPage(pageIndex); |
| |
| int width = pageSize.width(); |
| int height = pageSize.height(); |
| switch (style->pageSizeType()) { |
| case PAGE_SIZE_AUTO: |
| break; |
| case PAGE_SIZE_AUTO_LANDSCAPE: |
| if (width < height) |
| std::swap(width, height); |
| break; |
| case PAGE_SIZE_AUTO_PORTRAIT: |
| if (width > height) |
| std::swap(width, height); |
| break; |
| case PAGE_SIZE_RESOLVED: { |
| auto& size = style->pageSize(); |
| ASSERT(size.width.isFixed()); |
| ASSERT(size.height.isFixed()); |
| width = valueForLength(size.width, 0); |
| height = valueForLength(size.height, 0); |
| break; |
| } |
| default: |
| ASSERT_NOT_REACHED(); |
| } |
| pageSize = IntSize(width, height); |
| |
| // The percentage is calculated with respect to the width even for margin top and bottom. |
| // http://www.w3.org/TR/CSS2/box.html#margin-properties |
| marginTop = style->marginTop().isAuto() ? marginTop : intValueForLength(style->marginTop(), width); |
| marginRight = style->marginRight().isAuto() ? marginRight : intValueForLength(style->marginRight(), width); |
| marginBottom = style->marginBottom().isAuto() ? marginBottom : intValueForLength(style->marginBottom(), width); |
| marginLeft = style->marginLeft().isAuto() ? marginLeft : intValueForLength(style->marginLeft(), width); |
| } |
| |
| StyleResolver& Document::userAgentShadowTreeStyleResolver() |
| { |
| if (!m_userAgentShadowTreeStyleResolver) |
| m_userAgentShadowTreeStyleResolver = std::make_unique<StyleResolver>(*this); |
| return *m_userAgentShadowTreeStyleResolver; |
| } |
| |
| void Document::fontsNeedUpdate(FontSelector&) |
| { |
| invalidateMatchedPropertiesCacheAndForceStyleRecalc(); |
| } |
| |
| void Document::invalidateMatchedPropertiesCacheAndForceStyleRecalc() |
| { |
| if (auto* resolver = styleScope().resolverIfExists()) |
| resolver->invalidateMatchedPropertiesCache(); |
| if (pageCacheState() != NotInPageCache || !renderView()) |
| return; |
| scheduleForcedStyleRecalc(); |
| } |
| |
| void Document::didClearStyleResolver() |
| { |
| m_userAgentShadowTreeStyleResolver = nullptr; |
| } |
| |
| void Document::createRenderTree() |
| { |
| ASSERT(!renderView()); |
| ASSERT(m_pageCacheState != InPageCache); |
| ASSERT(!m_axObjectCache || this != &topDocument()); |
| |
| if (m_isNonRenderedPlaceholder) |
| return; |
| |
| // FIXME: It would be better if we could pass the resolved document style directly here. |
| m_renderView = createRenderer<RenderView>(*this, RenderStyle::create()); |
| Node::setRenderer(m_renderView.get()); |
| |
| renderView()->setIsInWindow(true); |
| |
| resolveStyle(ResolveStyleType::Rebuild); |
| } |
| |
| void Document::didBecomeCurrentDocumentInFrame() |
| { |
| // FIXME: Are there cases where the document can be dislodged from the frame during the event handling below? |
| // If so, then m_frame could become 0, and we need to do something about that. |
| |
| m_frame->script().updateDocument(); |
| |
| if (!hasLivingRenderTree()) |
| createRenderTree(); |
| |
| updateViewportArguments(); |
| |
| // FIXME: Doing this only for the main frame is insufficient. |
| // Changing a subframe can also change the wheel event handler count. |
| // FIXME: Doing this only when a document goes into the frame is insufficient. |
| // Removing a document can also change the wheel event handler count. |
| // FIXME: Doing this every time is a waste. If the current document and its |
| // subframes' documents have no wheel event handlers, then the count did not change, |
| // unless the documents they are replacing had wheel event handlers. |
| if (page() && m_frame->isMainFrame()) |
| wheelEventHandlersChanged(); |
| |
| // Ensure that the scheduled task state of the document matches the DOM suspension state of the frame. It can |
| // be out of sync if the DOM suspension state changed while the document was not in the frame (possibly in the |
| // page cache, or simply newly created). |
| if (m_frame->activeDOMObjectsAndAnimationsSuspended()) { |
| if (RuntimeEnabledFeatures::sharedFeatures().cssAnimationsAndCSSTransitionsBackedByWebAnimationsEnabled()) |
| timeline().suspendAnimations(); |
| else |
| m_frame->animation().suspendAnimationsForDocument(this); |
| suspendScheduledTasks(ActiveDOMObject::PageWillBeSuspended); |
| } else { |
| resumeScheduledTasks(ActiveDOMObject::PageWillBeSuspended); |
| if (RuntimeEnabledFeatures::sharedFeatures().cssAnimationsAndCSSTransitionsBackedByWebAnimationsEnabled()) |
| timeline().resumeAnimations(); |
| else |
| m_frame->animation().resumeAnimationsForDocument(this); |
| } |
| } |
| |
| void Document::frameDestroyed() |
| { |
| // detachFromFrame() must be called before destroying the Frame. |
| RELEASE_ASSERT(!m_frame); |
| FrameDestructionObserver::frameDestroyed(); |
| } |
| |
| void Document::attachToCachedFrame(CachedFrameBase& cachedFrame) |
| { |
| RELEASE_ASSERT(cachedFrame.document() == this); |
| ASSERT(cachedFrame.view()); |
| ASSERT(m_pageCacheState == Document::InPageCache); |
| observeFrame(&cachedFrame.view()->frame()); |
| } |
| |
| void Document::detachFromCachedFrame(CachedFrameBase& cachedFrame) |
| { |
| ASSERT_UNUSED(cachedFrame, cachedFrame.view()); |
| RELEASE_ASSERT(cachedFrame.document() == this); |
| ASSERT(m_frame == &cachedFrame.view()->frame()); |
| ASSERT(m_pageCacheState == Document::InPageCache); |
| detachFromFrame(); |
| } |
| |
| void Document::destroyRenderTree() |
| { |
| ASSERT(hasLivingRenderTree()); |
| ASSERT(frame()); |
| ASSERT(frame()->document() == this); |
| ASSERT(page()); |
| |
| // Prevent Widget tree changes from committing until the RenderView is dead and gone. |
| WidgetHierarchyUpdatesSuspensionScope suspendWidgetHierarchyUpdates; |
| |
| SetForScope<bool> change(m_renderTreeBeingDestroyed, true); |
| |
| if (this == &topDocument()) |
| clearAXObjectCache(); |
| |
| documentWillBecomeInactive(); |
| |
| if (view()) |
| view()->willDestroyRenderTree(); |
| |
| if (m_documentElement) |
| RenderTreeUpdater::tearDownRenderers(*m_documentElement); |
| |
| clearChildNeedsStyleRecalc(); |
| |
| unscheduleStyleRecalc(); |
| |
| // FIXME: RenderObject::view() uses m_renderView and we can't null it before destruction is completed |
| { |
| RenderTreeBuilder builder(*m_renderView); |
| // FIXME: This is a workaround for leftover content (see webkit.org/b/182547). |
| while (m_renderView->firstChild()) |
| builder.destroy(*m_renderView->firstChild()); |
| m_renderView->destroy(); |
| } |
| m_renderView.release(); |
| |
| Node::setRenderer(nullptr); |
| |
| #if ENABLE(TEXT_AUTOSIZING) |
| m_textAutoSizing = nullptr; |
| #endif |
| |
| if (view()) |
| view()->didDestroyRenderTree(); |
| } |
| |
| void Document::prepareForDestruction() |
| { |
| if (m_hasPreparedForDestruction) |
| return; |
| |
| if (m_timeline) { |
| m_timeline->detachFromDocument(); |
| m_timeline = nullptr; |
| } |
| |
| if (m_frame) |
| m_frame->animation().detachFromDocument(this); |
| |
| #if USE(LIBWEBRTC) |
| // FIXME: This should be moved to Modules/mediastream. |
| if (LibWebRTCProvider::webRTCAvailable()) { |
| if (auto* page = this->page()) |
| page->libWebRTCProvider().unregisterMDNSNames(identifier().toUInt64()); |
| } |
| #endif |
| |
| #if ENABLE(SERVICE_WORKER) |
| setActiveServiceWorker(nullptr); |
| setServiceWorkerConnection(nullptr); |
| #endif |
| |
| #if ENABLE(IOS_TOUCH_EVENTS) |
| clearTouchEventHandlersAndListeners(); |
| #endif |
| |
| #if HAVE(ACCESSIBILITY) |
| if (this != &topDocument()) { |
| // Let the ax cache know that this subframe goes out of scope. |
| if (auto* cache = existingAXObjectCache()) |
| cache->prepareForDocumentDestruction(*this); |
| } |
| #endif |
| |
| { |
| NavigationDisabler navigationDisabler(m_frame); |
| disconnectDescendantFrames(); |
| } |
| |
| if (m_domWindow && m_frame) |
| m_domWindow->willDetachDocumentFromFrame(); |
| |
| styleScope().clearResolver(); |
| |
| if (hasLivingRenderTree()) |
| destroyRenderTree(); |
| |
| if (is<PluginDocument>(*this)) |
| downcast<PluginDocument>(*this).detachFromPluginElement(); |
| |
| #if ENABLE(POINTER_LOCK) |
| if (page()) |
| page()->pointerLockController().documentDetached(*this); |
| #endif |
| |
| if (auto* page = this->page()) { |
| if (auto* validationMessageClient = page->validationMessageClient()) |
| validationMessageClient->documentDetached(*this); |
| } |
| |
| InspectorInstrumentation::documentDetached(*this); |
| |
| stopActiveDOMObjects(); |
| m_eventQueue.close(); |
| #if ENABLE(FULLSCREEN_API) |
| m_fullScreenChangeEventTargetQueue.clear(); |
| m_fullScreenErrorEventTargetQueue.clear(); |
| #endif |
| |
| commonTeardown(); |
| |
| #if ENABLE(TOUCH_EVENTS) |
| if (m_touchEventTargets && m_touchEventTargets->size() && parentDocument()) |
| parentDocument()->didRemoveEventTargetNode(*this); |
| #endif |
| |
| if (m_wheelEventTargets && m_wheelEventTargets->size() && parentDocument()) |
| parentDocument()->didRemoveEventTargetNode(*this); |
| |
| if (m_mediaQueryMatcher) |
| m_mediaQueryMatcher->documentDestroyed(); |
| |
| #if ENABLE(WIRELESS_PLAYBACK_TARGET) |
| if (!m_clientToIDMap.isEmpty() && page()) { |
| for (auto* client : copyToVector(m_clientToIDMap.keys())) |
| removePlaybackTargetPickerClient(*client); |
| } |
| #endif |
| |
| m_cachedResourceLoader->stopUnusedPreloadsTimer(); |
| |
| if (page() && m_mediaState != MediaProducer::IsNotPlaying) { |
| m_mediaState = MediaProducer::IsNotPlaying; |
| page()->updateIsPlayingMedia(HTMLMediaElementInvalidID); |
| } |
| |
| detachFromFrame(); |
| |
| m_hasPreparedForDestruction = true; |
| |
| // Note that m_pageCacheState can be Document::AboutToEnterPageCache if our frame |
| // was removed in an onpagehide event handler fired when the top-level frame is |
| // about to enter the page cache. |
| RELEASE_ASSERT(m_pageCacheState != Document::InPageCache); |
| } |
| |
| void Document::removeAllEventListeners() |
| { |
| EventTarget::removeAllEventListeners(); |
| |
| if (m_domWindow) |
| m_domWindow->removeAllEventListeners(); |
| |
| #if ENABLE(IOS_TOUCH_EVENTS) |
| clearTouchEventHandlersAndListeners(); |
| #endif |
| for (Node* node = firstChild(); node; node = NodeTraversal::next(*node)) |
| node->removeAllEventListeners(); |
| |
| #if ENABLE(TOUCH_EVENTS) |
| m_touchEventTargets = nullptr; |
| #endif |
| m_wheelEventTargets = nullptr; |
| } |
| |
| void Document::suspendDeviceMotionAndOrientationUpdates() |
| { |
| if (m_areDeviceMotionAndOrientationUpdatesSuspended) |
| return; |
| m_areDeviceMotionAndOrientationUpdatesSuspended = true; |
| #if ENABLE(DEVICE_ORIENTATION) && PLATFORM(IOS) |
| if (m_deviceMotionController) |
| m_deviceMotionController->suspendUpdates(); |
| if (m_deviceOrientationController) |
| m_deviceOrientationController->suspendUpdates(); |
| #endif |
| } |
| |
| void Document::resumeDeviceMotionAndOrientationUpdates() |
| { |
| if (!m_areDeviceMotionAndOrientationUpdatesSuspended) |
| return; |
| m_areDeviceMotionAndOrientationUpdatesSuspended = false; |
| #if ENABLE(DEVICE_ORIENTATION) && PLATFORM(IOS) |
| if (m_deviceMotionController) |
| m_deviceMotionController->resumeUpdates(); |
| if (m_deviceOrientationController) |
| m_deviceOrientationController->resumeUpdates(); |
| #endif |
| } |
| |
| bool Document::shouldBypassMainWorldContentSecurityPolicy() const |
| { |
| // Bypass this policy when the world is known, and it not the normal world. |
| auto& callFrame = *commonVM().topCallFrame; |
| return &callFrame != JSC::CallFrame::noCaller() && !currentWorld(callFrame).isNormal(); |
| } |
| |
| void Document::platformSuspendOrStopActiveDOMObjects() |
| { |
| #if PLATFORM(IOS) |
| if (WebThreadCountOfObservedContentModifiers() > 0) { |
| if (auto* frame = this->frame()) { |
| if (auto* page = frame->page()) |
| page->chrome().client().clearContentChangeObservers(*frame); |
| } |
| } |
| #endif |
| } |
| |
| void Document::suspendActiveDOMObjects(ActiveDOMObject::ReasonForSuspension why) |
| { |
| ScriptExecutionContext::suspendActiveDOMObjects(why); |
| suspendDeviceMotionAndOrientationUpdates(); |
| platformSuspendOrStopActiveDOMObjects(); |
| } |
| |
| void Document::resumeActiveDOMObjects(ActiveDOMObject::ReasonForSuspension why) |
| { |
| ScriptExecutionContext::resumeActiveDOMObjects(why); |
| resumeDeviceMotionAndOrientationUpdates(); |
| // FIXME: For iOS, do we need to add content change observers that were removed in Document::suspendActiveDOMObjects()? |
| } |
| |
| void Document::stopActiveDOMObjects() |
| { |
| ScriptExecutionContext::stopActiveDOMObjects(); |
| platformSuspendOrStopActiveDOMObjects(); |
| } |
| |
| void Document::clearAXObjectCache() |
| { |
| ASSERT(&topDocument() == this); |
| // Clear the cache member variable before calling delete because attempts |
| // are made to access it during destruction. |
| m_axObjectCache = nullptr; |
| } |
| |
| AXObjectCache* Document::existingAXObjectCacheSlow() const |
| { |
| ASSERT(hasEverCreatedAnAXObjectCache); |
| return topDocument().m_axObjectCache.get(); |
| } |
| |
| AXObjectCache* Document::axObjectCache() const |
| { |
| if (!AXObjectCache::accessibilityEnabled()) |
| return nullptr; |
| |
| // The only document that actually has a AXObjectCache is the top-level |
| // document. This is because we need to be able to get from any WebCoreAXObject |
| // to any other WebCoreAXObject on the same page. Using a single cache allows |
| // lookups across nested webareas (i.e. multiple documents). |
| Document& topDocument = this->topDocument(); |
| |
| // If the document has already been detached, do not make a new axObjectCache. |
| if (!topDocument.hasLivingRenderTree()) |
| return nullptr; |
| |
| ASSERT(&topDocument == this || !m_axObjectCache); |
| if (!topDocument.m_axObjectCache) { |
| topDocument.m_axObjectCache = std::make_unique<AXObjectCache>(topDocument); |
| hasEverCreatedAnAXObjectCache = true; |
| } |
| return topDocument.m_axObjectCache.get(); |
| } |
| |
| void Document::setVisuallyOrdered() |
| { |
| m_visuallyOrdered = true; |
| if (renderView()) |
| renderView()->mutableStyle().setRTLOrdering(VisualOrder); |
| } |
| |
| Ref<DocumentParser> Document::createParser() |
| { |
| // FIXME: this should probably pass the frame instead |
| return XMLDocumentParser::create(*this, view()); |
| } |
| |
| ScriptableDocumentParser* Document::scriptableDocumentParser() const |
| { |
| return parser() ? parser()->asScriptableDocumentParser() : nullptr; |
| } |
| |
| ExceptionOr<RefPtr<WindowProxy>> Document::openForBindings(DOMWindow& activeWindow, DOMWindow& firstWindow, const String& url, const AtomicString& name, const String& features) |
| { |
| if (!m_domWindow) |
| return Exception { InvalidAccessError }; |
| |
| return m_domWindow->open(activeWindow, firstWindow, url, name, features); |
| } |
| |
| // FIXME: Add support for the 'type' and 'replace' parameters. |
| ExceptionOr<Document&> Document::openForBindings(Document* responsibleDocument, const String&, const String&) |
| { |
| if (!isHTMLDocument()) |
| return Exception { InvalidStateError }; |
| |
| // FIXME: This should also throw if "document's throw-on-dynamic-markup-insertion counter is greater than 0". |
| |
| open(responsibleDocument); |
| return *this; |
| } |
| |
| void Document::open(Document* responsibleDocument) |
| { |
| if (m_ignoreOpensDuringUnloadCount) |
| return; |
| |
| if (responsibleDocument) { |
| setURL(responsibleDocument->url()); |
| setCookieURL(responsibleDocument->cookieURL()); |
| setSecurityOriginPolicy(responsibleDocument->securityOriginPolicy()); |
| } |
| |
| if (m_frame) { |
| if (ScriptableDocumentParser* parser = scriptableDocumentParser()) { |
| if (parser->isParsing()) { |
| // FIXME: HTML5 doesn't tell us to check this, it might not be correct. |
| if (parser->isExecutingScript()) |
| return; |
| |
| if (!parser->wasCreatedByScript() && parser->hasInsertionPoint()) |
| return; |
| } |
| } |
| |
| if (m_frame->loader().policyChecker().delegateIsDecidingNavigationPolicy()) |
| m_frame->loader().policyChecker().stopCheck(); |
| if (m_frame->loader().state() == FrameStateProvisional) |
| m_frame->loader().stopAllLoaders(); |
| } |
| |
| removeAllEventListeners(); |
| implicitOpen(); |
| if (ScriptableDocumentParser* parser = scriptableDocumentParser()) |
| parser->setWasCreatedByScript(true); |
| |
| if (m_frame) |
| m_frame->loader().didExplicitOpen(); |
| } |
| |
| void Document::detachParser() |
| { |
| if (!m_parser) |
| return; |
| m_parser->detach(); |
| m_parser = nullptr; |
| } |
| |
| void Document::cancelParsing() |
| { |
| if (!m_parser) |
| return; |
| |
| // We have to clear the parser to avoid possibly triggering |
| // the onload handler when closing as a side effect of a cancel-style |
| // change, such as opening a new document or closing the window while |
| // still parsing |
| detachParser(); |
| explicitClose(); |
| } |
| |
| void Document::implicitOpen() |
| { |
| removeChildren(); |
| |
| setCompatibilityMode(DocumentCompatibilityMode::NoQuirksMode); |
| |
| cancelParsing(); |
| m_parser = createParser(); |
| setParsing(true); |
| setReadyState(Loading); |
| } |
| |
| HTMLBodyElement* Document::body() const |
| { |
| auto* element = documentElement(); |
| if (!element) |
| return nullptr; |
| return childrenOfType<HTMLBodyElement>(*element).first(); |
| } |
| |
| HTMLElement* Document::bodyOrFrameset() const |
| { |
| // Return the first body or frameset child of the html element. |
| auto* element = documentElement(); |
| if (!is<HTMLHtmlElement>(element)) |
| return nullptr; |
| for (auto& child : childrenOfType<HTMLElement>(*element)) { |
| if (is<HTMLBodyElement>(child) || is<HTMLFrameSetElement>(child)) |
| return &child; |
| } |
| return nullptr; |
| } |
| |
| ExceptionOr<void> Document::setBodyOrFrameset(RefPtr<HTMLElement>&& newBody) |
| { |
| if (!is<HTMLBodyElement>(newBody) && !is<HTMLFrameSetElement>(newBody)) |
| return Exception { HierarchyRequestError }; |
| |
| auto* currentBody = bodyOrFrameset(); |
| if (newBody == currentBody) |
| return { }; |
| |
| if (!m_documentElement) |
| return Exception { HierarchyRequestError }; |
| |
| if (currentBody) |
| return m_documentElement->replaceChild(*newBody, *currentBody); |
| return m_documentElement->appendChild(*newBody); |
| } |
| |
| Location* Document::location() const |
| { |
| auto* window = domWindow(); |
| if (!window) |
| return nullptr; |
| |
| return window->location(); |
| } |
| |
| HTMLHeadElement* Document::head() |
| { |
| if (auto element = documentElement()) |
| return childrenOfType<HTMLHeadElement>(*element).first(); |
| return nullptr; |
| } |
| |
| ExceptionOr<void> Document::closeForBindings() |
| { |
| // FIXME: We should follow the specification more closely: |
| // http://www.whatwg.org/specs/web-apps/current-work/#dom-document-close |
| |
| if (!isHTMLDocument()) |
| return Exception { InvalidStateError }; |
| |
| // FIXME: This should also throw if "document's throw-on-dynamic-markup-insertion counter is greater than 0". |
| |
| close(); |
| return { }; |
| } |
| |
| void Document::close() |
| { |
| if (!scriptableDocumentParser() || !scriptableDocumentParser()->wasCreatedByScript() || !scriptableDocumentParser()->isParsing()) |
| return; |
| |
| explicitClose(); |
| } |
| |
| void Document::explicitClose() |
| { |
| if (RefPtr<DocumentParser> parser = m_parser) |
| parser->finish(); |
| |
| if (!m_frame) { |
| // Because we have no frame, we don't know if all loading has completed, |
| // so we just call implicitClose() immediately. FIXME: This might fire |
| // the load event prematurely <http://bugs.webkit.org/show_bug.cgi?id=14568>. |
| implicitClose(); |
| return; |
| } |
| |
| checkCompleted(); |
| } |
| |
| void Document::implicitClose() |
| { |
| // If we're in the middle of recalcStyle, we need to defer the close until the style information is accurate and all elements are re-attached. |
| if (m_inStyleRecalc) { |
| m_closeAfterStyleRecalc = true; |
| return; |
| } |
| |
| bool wasLocationChangePending = frame() && frame()->navigationScheduler().locationChangePending(); |
| bool doload = !parsing() && m_parser && !m_processingLoadEvent && !wasLocationChangePending; |
| |
| if (!doload) |
| return; |
| |
| // Call to dispatchWindowLoadEvent can blow us from underneath. |
| Ref<Document> protectedThis(*this); |
| |
| m_processingLoadEvent = true; |
| |
| ScriptableDocumentParser* parser = scriptableDocumentParser(); |
| m_wellFormed = parser && parser->wellFormed(); |
| |
| // We have to clear the parser, in case someone document.write()s from the |
| // onLoad event handler, as in Radar 3206524. |
| detachParser(); |
| |
| // FIXME: We kick off the icon loader when the Document is done parsing. |
| // There are earlier opportunities we could start it: |
| // -When the <head> finishes parsing |
| // -When any new HTMLLinkElement is inserted into the document |
| // But those add a dynamic component to the favicon that has UI |
| // ramifications, and we need to decide what is the Right Thing To Do(tm) |
| RefPtr<Frame> f = frame(); |
| if (f) { |
| #if ENABLE(XSLT) |
| // Apply XSL transforms before load events so that event handlers can access the transformed DOM tree. |
| applyPendingXSLTransformsNowIfScheduled(); |
| #endif |
| |
| if (auto* documentLoader = loader()) |
| documentLoader->startIconLoading(); |
| |
| f->animation().startAnimationsIfNotSuspended(this); |
| |
| // FIXME: We shouldn't be dispatching pending events globally on all Documents here. |
| // For now, only do this when there is a Frame, otherwise this could cause JS reentrancy |
| // below SVG font parsing, for example. <https://webkit.org/b/136269> |
| ImageLoader::dispatchPendingBeforeLoadEvents(); |
| ImageLoader::dispatchPendingLoadEvents(); |
| ImageLoader::dispatchPendingErrorEvents(); |
| HTMLLinkElement::dispatchPendingLoadEvents(); |
| HTMLStyleElement::dispatchPendingLoadEvents(); |
| |
| // To align the HTML load event and the SVGLoad event for the outermost <svg> element, fire it from |
| // here, instead of doing it from SVGElement::finishedParsingChildren (if externalResourcesRequired="false", |
| // which is the default, for ='true' its fired at a later time, once all external resources finished loading). |
| if (svgExtensions()) |
| accessSVGExtensions().dispatchSVGLoadEventToOutermostSVGElements(); |
| } |
| |
| dispatchWindowLoadEvent(); |
| dispatchPageshowEvent(PageshowEventNotPersisted); |
| if (m_pendingStateObject) |
| dispatchPopstateEvent(WTFMove(m_pendingStateObject)); |
| |
| if (f) |
| f->loader().dispatchOnloadEvents(); |
| |
| // An event handler may have removed the frame |
| if (!frame()) { |
| m_processingLoadEvent = false; |
| return; |
| } |
| |
| // Make sure both the initial layout and reflow happen after the onload |
| // fires. This will improve onload scores, and other browsers do it. |
| // If they wanna cheat, we can too. -dwh |
| |
| if (frame()->navigationScheduler().locationChangePending() && timeSinceDocumentCreation() < settings().layoutInterval()) { |
| // Just bail out. Before or during the onload we were shifted to another page. |
| // The old i-Bench suite does this. When this happens don't bother painting or laying out. |
| m_processingLoadEvent = false; |
| view()->layoutContext().unscheduleLayout(); |
| return; |
| } |
| |
| frame()->loader().checkCallImplicitClose(); |
| |
| // We used to force a synchronous display and flush here. This really isn't |
| // necessary and can in fact be actively harmful if pages are loading at a rate of > 60fps |
| // (if your platform is syncing flushes and limiting them to 60fps). |
| m_overMinimumLayoutThreshold = true; |
| if (!ownerElement() || (ownerElement()->renderer() && !ownerElement()->renderer()->needsLayout())) { |
| updateStyleIfNeeded(); |
| |
| // Always do a layout after loading if needed. |
| if (view() && renderView() && (!renderView()->firstChild() || renderView()->needsLayout())) |
| view()->layoutContext().layout(); |
| } |
| |
| m_processingLoadEvent = false; |
| |
| #if PLATFORM(COCOA) || PLATFORM(WIN) || PLATFORM(GTK) |
| if (f && hasLivingRenderTree() && AXObjectCache::accessibilityEnabled()) { |
| // The AX cache may have been cleared at this point, but we need to make sure it contains an |
| // AX object to send the notification to. getOrCreate will make sure that an valid AX object |
| // exists in the cache (we ignore the return value because we don't need it here). This is |
| // only safe to call when a layout is not in progress, so it can not be used in postNotification. |
| // |
| // This notification is now called AXNewDocumentLoadComplete because there are other handlers that will |
| // catch new AND page history loads, and that uses AXLoadComplete |
| |
| axObjectCache()->getOrCreate(renderView()); |
| if (this == &topDocument()) |
| axObjectCache()->postNotification(renderView(), AXObjectCache::AXNewDocumentLoadComplete); |
| else { |
| // AXLoadComplete can only be posted on the top document, so if it's a document |
| // in an iframe that just finished loading, post AXLayoutComplete instead. |
| axObjectCache()->postNotification(renderView(), AXObjectCache::AXLayoutComplete); |
| } |
| } |
| #endif |
| |
| if (svgExtensions()) |
| accessSVGExtensions().startAnimations(); |
| } |
| |
| void Document::setParsing(bool b) |
| { |
| m_bParsing = b; |
| |
| if (m_bParsing && !m_sharedObjectPool) |
| m_sharedObjectPool = std::make_unique<DocumentSharedObjectPool>(); |
| |
| if (!m_bParsing && view() && !view()->needsLayout()) |
| view()->fireLayoutRelatedMilestonesIfNeeded(); |
| } |
| |
| bool Document::shouldScheduleLayout() |
| { |
| if (!documentElement()) |
| return false; |
| if (!is<HTMLHtmlElement>(*documentElement())) |
| return true; |
| if (!bodyOrFrameset()) |
| return false; |
| if (styleScope().hasPendingSheetsBeforeBody()) |
| return false; |
| |
| return true; |
| } |
| |
| bool Document::isLayoutTimerActive() |
| { |
| return view() && view()->layoutContext().isLayoutPending() && !minimumLayoutDelay(); |
| } |
| |
| Seconds Document::minimumLayoutDelay() |
| { |
| if (m_overMinimumLayoutThreshold) |
| return 0_s; |
| |
| auto elapsed = timeSinceDocumentCreation(); |
| m_overMinimumLayoutThreshold = elapsed > settings().layoutInterval(); |
| |
| // We'll want to schedule the timer to fire at the minimum layout threshold. |
| return std::max(0_s, settings().layoutInterval() - elapsed); |
| } |
| |
| Seconds Document::timeSinceDocumentCreation() const |
| { |
| return MonotonicTime::now() - m_documentCreationTime; |
| } |
| |
| void Document::write(Document* responsibleDocument, SegmentedString&& text) |
| { |
| NestingLevelIncrementer nestingLevelIncrementer(m_writeRecursionDepth); |
| |
| m_writeRecursionIsTooDeep = (m_writeRecursionDepth > 1) && m_writeRecursionIsTooDeep; |
| m_writeRecursionIsTooDeep = (m_writeRecursionDepth > cMaxWriteRecursionDepth) || m_writeRecursionIsTooDeep; |
| |
| if (m_writeRecursionIsTooDeep) |
| return; |
| |
| bool hasInsertionPoint = m_parser && m_parser->hasInsertionPoint(); |
| if (!hasInsertionPoint && (m_ignoreOpensDuringUnloadCount || m_ignoreDestructiveWriteCount)) |
| return; |
| |
| if (!hasInsertionPoint) |
| open(responsibleDocument); |
| |
| ASSERT(m_parser); |
| m_parser->insert(WTFMove(text)); |
| } |
| |
| ExceptionOr<void> Document::write(Document* responsibleDocument, Vector<String>&& strings) |
| { |
| if (!isHTMLDocument()) |
| return Exception { InvalidStateError }; |
| |
| // FIXME: This should also throw if "document's throw-on-dynamic-markup-insertion counter is greater than 0". |
| |
| SegmentedString text; |
| for (auto& string : strings) |
| text.append(WTFMove(string)); |
| |
| write(responsibleDocument, WTFMove(text)); |
| |
| return { }; |
| } |
| |
| ExceptionOr<void> Document::writeln(Document* responsibleDocument, Vector<String>&& strings) |
| { |
| if (!isHTMLDocument()) |
| return Exception { InvalidStateError }; |
| |
| // FIXME: This should also throw if "document's throw-on-dynamic-markup-insertion counter is greater than 0". |
| |
| SegmentedString text; |
| for (auto& string : strings) |
| text.append(WTFMove(string)); |
| |
| text.append(ASCIILiteral { "\n" }); |
| write(responsibleDocument, WTFMove(text)); |
| |
| return { }; |
| } |
| |
| Seconds Document::minimumDOMTimerInterval() const |
| { |
| auto* page = this->page(); |
| if (!page) |
| return ScriptExecutionContext::minimumDOMTimerInterval(); |
| return page->settings().minimumDOMTimerInterval(); |
| } |
| |
| void Document::setTimerThrottlingEnabled(bool shouldThrottle) |
| { |
| if (m_isTimerThrottlingEnabled == shouldThrottle) |
| return; |
| |
| m_isTimerThrottlingEnabled = shouldThrottle; |
| didChangeTimerAlignmentInterval(); |
| } |
| |
| Seconds Document::domTimerAlignmentInterval(bool hasReachedMaxNestingLevel) const |
| { |
| auto alignmentInterval = ScriptExecutionContext::domTimerAlignmentInterval(hasReachedMaxNestingLevel); |
| if (!hasReachedMaxNestingLevel) |
| return alignmentInterval; |
| |
| // Apply Document-level DOMTimer throttling only if timers have reached their maximum nesting level as the Page may still be visible. |
| if (m_isTimerThrottlingEnabled) |
| alignmentInterval = std::max(alignmentInterval, DOMTimer::hiddenPageAlignmentInterval()); |
| |
| if (Page* page = this->page()) |
| alignmentInterval = std::max(alignmentInterval, page->domTimerAlignmentInterval()); |
| |
| if (!topOrigin().canAccess(securityOrigin()) && !hasHadUserInteraction()) |
| alignmentInterval = std::max(alignmentInterval, DOMTimer::nonInteractedCrossOriginFrameAlignmentInterval()); |
| |
| return alignmentInterval; |
| } |
| |
| EventTarget* Document::errorEventTarget() |
| { |
| return m_domWindow.get(); |
| } |
| |
| void Document::logExceptionToConsole(const String& errorMessage, const String& sourceURL, int lineNumber, int columnNumber, RefPtr<Inspector::ScriptCallStack>&& callStack) |
| { |
| addMessage(MessageSource::JS, MessageLevel::Error, errorMessage, sourceURL, lineNumber, columnNumber, WTFMove(callStack)); |
| } |
| |
| void Document::setURL(const URL& url) |
| { |
| const URL& newURL = url.isEmpty() ? blankURL() : url; |
| if (newURL == m_url) |
| return; |
| |
| m_url = newURL; |
| m_documentURI = m_url.string(); |
| updateBaseURL(); |
| } |
| |
| void Document::updateBaseURL() |
| { |
| URL oldBaseURL = m_baseURL; |
| // DOM 3 Core: When the Document supports the feature "HTML" [DOM Level 2 HTML], the base URI is computed using |
| // first the value of the href attribute of the HTML BASE element if any, and the value of the documentURI attribute |
| // from the Document interface otherwise. |
| if (!m_baseElementURL.isEmpty()) |
| m_baseURL = m_baseElementURL; |
| else if (!m_baseURLOverride.isEmpty()) |
| m_baseURL = m_baseURLOverride; |
| else { |
| // The documentURI attribute is read-only from JavaScript, but writable from Objective C, so we need to retain |
| // this fallback behavior. We use a null base URL, since the documentURI attribute is an arbitrary string |
| // and DOM 3 Core does not specify how it should be resolved. |
| m_baseURL = URL(ParsedURLString, documentURI()); |
| } |
| |
| clearSelectorQueryCache(); |
| |
| if (!m_baseURL.isValid()) |
| m_baseURL = URL(); |
| |
| if (!equalIgnoringFragmentIdentifier(oldBaseURL, m_baseURL)) { |
| // Base URL change changes any relative visited links. |
| // FIXME: There are other URLs in the tree that would need to be re-evaluated on dynamic base URL change. Style should be invalidated too. |
| for (auto& anchor : descendantsOfType<HTMLAnchorElement>(*this)) |
| anchor.invalidateCachedVisitedLinkHash(); |
| } |
| } |
| |
| void Document::setBaseURLOverride(const URL& url) |
| { |
| m_baseURLOverride = url; |
| updateBaseURL(); |
| } |
| |
| void Document::processBaseElement() |
| { |
| // Find the first href attribute in a base element and the first target attribute in a base element. |
| const AtomicString* href = nullptr; |
| const AtomicString* target = nullptr; |
| auto baseDescendants = descendantsOfType<HTMLBaseElement>(*this); |
| for (auto& base : baseDescendants) { |
| if (!href) { |
| const AtomicString& value = base.attributeWithoutSynchronization(hrefAttr); |
| if (!value.isNull()) { |
| href = &value; |
| if (target) |
| break; |
| } |
| } |
| if (!target) { |
| const AtomicString& value = base.attributeWithoutSynchronization(targetAttr); |
| if (!value.isNull()) { |
| target = &value; |
| if (href) |
| break; |
| } |
| } |
| } |
| |
| // FIXME: Since this doesn't share code with completeURL it may not handle encodings correctly. |
| URL baseElementURL; |
| if (href) { |
| String strippedHref = stripLeadingAndTrailingHTMLSpaces(*href); |
| if (!strippedHref.isEmpty()) |
| baseElementURL = URL(url(), strippedHref); |
| } |
| if (m_baseElementURL != baseElementURL && contentSecurityPolicy()->allowBaseURI(baseElementURL)) { |
| m_baseElementURL = baseElementURL; |
| updateBaseURL(); |
| } |
| |
| m_baseTarget = target ? *target : nullAtom(); |
| } |
| |
| String Document::userAgent(const URL& url) const |
| { |
| return frame() ? frame()->loader().userAgent(url) : String(); |
| } |
| |
| void Document::disableEval(const String& errorMessage) |
| { |
| if (!frame()) |
| return; |
| |
| frame()->script().disableEval(errorMessage); |
| } |
| |
| void Document::disableWebAssembly(const String& errorMessage) |
| { |
| if (!frame()) |
| return; |
| |
| frame()->script().disableWebAssembly(errorMessage); |
| } |
| |
| #if ENABLE(INDEXED_DATABASE) |
| IDBClient::IDBConnectionProxy* Document::idbConnectionProxy() |
| { |
| if (!m_idbConnectionProxy) { |
| Page* currentPage = page(); |
| if (!currentPage) |
| return nullptr; |
| m_idbConnectionProxy = ¤tPage->idbConnection().proxy(); |
| } |
| return m_idbConnectionProxy.get(); |
| } |
| #endif |
| |
| SocketProvider* Document::socketProvider() |
| { |
| return m_socketProvider.get(); |
| } |
| |
| bool Document::canNavigate(Frame* targetFrame) |
| { |
| if (!m_frame) |
| return false; |
| |
| // FIXME: We shouldn't call this function without a target frame, but |
| // fast/forms/submit-to-blank-multiple-times.html depends on this function |
| // returning true when supplied with a 0 targetFrame. |
| if (!targetFrame) |
| return true; |
| |
| // Cases (i), (ii) and (iii) pass the tests from the specifications but might not pass the "security origin" tests. |
| |
| // i. A frame can navigate its top ancestor when its 'allow-top-navigation' flag is set (sometimes known as 'frame-busting'). |
| if (!isSandboxed(SandboxTopNavigation) && targetFrame == &m_frame->tree().top()) |
| return true; |
| |
| // ii. A frame can navigate its top ancestor when its 'allow-top-navigation-by-user-activation' flag is set and navigation is triggered by user activation. |
| if (!isSandboxed(SandboxTopNavigationByUserActivation) && UserGestureIndicator::processingUserGesture() && targetFrame == &m_frame->tree().top()) |
| return true; |
| |
| // iii. A sandboxed frame can always navigate its descendants. |
| if (isSandboxed(SandboxNavigation) && targetFrame->tree().isDescendantOf(m_frame)) |
| return true; |
| |
| // From https://html.spec.whatwg.org/multipage/browsers.html#allowed-to-navigate. |
| // 1. If A is not the same browsing context as B, and A is not one of the ancestor browsing contexts of B, and B is not a top-level browsing context, and A's active document's active sandboxing |
| // flag set has its sandboxed navigation browsing context flag set, then abort these steps negatively. |
| if (m_frame != targetFrame && isSandboxed(SandboxNavigation) && targetFrame->tree().parent() && !targetFrame->tree().isDescendantOf(m_frame)) { |
| printNavigationErrorMessage(targetFrame, url(), ASCIILiteral("The frame attempting navigation is sandboxed, and is therefore disallowed from navigating its ancestors.")); |
| return false; |
| } |
| |
| // 2. Otherwise, if B is a top-level browsing context, and is one of the ancestor browsing contexts of A, then: |
| if (m_frame != targetFrame && targetFrame == &m_frame->tree().top()) { |
| bool triggeredByUserActivation = UserGestureIndicator::processingUserGesture(); |
| // 1. If this algorithm is triggered by user activation and A's active document's active sandboxing flag set has its sandboxed top-level navigation with user activation browsing context flag set, then abort these steps negatively. |
| if (triggeredByUserActivation && isSandboxed(SandboxTopNavigationByUserActivation)) { |
| printNavigationErrorMessage(targetFrame, url(), ASCIILiteral("The frame attempting navigation of the top-level window is sandboxed, but the 'allow-top-navigation-by-user-activation' flag is not set and navigation is not triggered by user activation.")); |
| return false; |
| } |
| // 2. Otherwise, If this algorithm is not triggered by user activation and A's active document's active sandboxing flag set has its sandboxed top-level navigation without user activation browsing context flag set, then abort these steps negatively. |
| if (!triggeredByUserActivation && isSandboxed(SandboxTopNavigation)) { |
| printNavigationErrorMessage(targetFrame, url(), ASCIILiteral("The frame attempting navigation of the top-level window is sandboxed, but the 'allow-top-navigation' flag is not set.")); |
| return false; |
| } |
| } |
| |
| // 3. Otherwise, if B is a top-level browsing context, and is neither A nor one of the ancestor browsing contexts of A, and A's Document's active sandboxing flag set has its |
| // sandboxed navigation browsing context flag set, and A is not the one permitted sandboxed navigator of B, then abort these steps negatively. |
| if (!targetFrame->tree().parent() && m_frame != targetFrame && targetFrame != &m_frame->tree().top() && isSandboxed(SandboxNavigation) && targetFrame->loader().opener() != m_frame) { |
| printNavigationErrorMessage(targetFrame, url(), ASCIILiteral("The frame attempting navigation is sandboxed, and is not allowed to navigate this popup.")); |
| return false; |
| } |
| |
| // 4. Otherwise, terminate positively! |
| |
| // This is the normal case. A document can navigate its descendant frames, |
| // or, more generally, a document can navigate a frame if the document is |
| // in the same origin as any of that frame's ancestors (in the frame |
| // hierarchy). |
| // |
| // See http://www.adambarth.com/papers/2008/barth-jackson-mitchell.pdf for |
| // historical information about this security check. |
| if (canAccessAncestor(securityOrigin(), targetFrame)) |
| return true; |
| |
| // Top-level frames are easier to navigate than other frames because they |
| // display their URLs in the address bar (in most browsers). However, there |
| // are still some restrictions on navigation to avoid nuisance attacks. |
| // Specifically, a document can navigate a top-level frame if that frame |
| // opened the document or if the document is the same-origin with any of |
| // the top-level frame's opener's ancestors (in the frame hierarchy). |
| // |
| // In both of these cases, the document performing the navigation is in |
| // some way related to the frame being navigate (e.g., by the "opener" |
| // and/or "parent" relation). Requiring some sort of relation prevents a |
| // document from navigating arbitrary, unrelated top-level frames. |
| if (!targetFrame->tree().parent()) { |
| if (targetFrame == m_frame->loader().opener()) |
| return true; |
| |
| if (canAccessAncestor(securityOrigin(), targetFrame->loader().opener())) |
| return true; |
| } |
| |
| printNavigationErrorMessage(targetFrame, url(), "The frame attempting navigation is neither same-origin with the target, nor is it the target's parent or opener."); |
| return false; |
| } |
| |
| Frame* Document::findUnsafeParentScrollPropagationBoundary() |
| { |
| Frame* currentFrame = m_frame; |
| if (!currentFrame) |
| return nullptr; |
| |
| Frame* ancestorFrame = currentFrame->tree().parent(); |
| |
| while (ancestorFrame) { |
| if (!ancestorFrame->document()->securityOrigin().canAccess(securityOrigin())) |
| return currentFrame; |
| currentFrame = ancestorFrame; |
| ancestorFrame = ancestorFrame->tree().parent(); |
| } |
| return nullptr; |
| } |
| |
| void Document::didRemoveAllPendingStylesheet() |
| { |
| if (auto* parser = scriptableDocumentParser()) |
| parser->executeScriptsWaitingForStylesheetsSoon(); |
| } |
| |
| bool Document::usesStyleBasedEditability() const |
| { |
| if (m_hasElementUsingStyleBasedEditability) |
| return true; |
| |
| ASSERT(!m_renderView || !m_renderView->frameView().isPainting()); |
| ASSERT(!m_inStyleRecalc); |
| |
| auto& styleScope = const_cast<Style::Scope&>(this->styleScope()); |
| styleScope.flushPendingUpdate(); |
| return styleScope.usesStyleBasedEditability(); |
| } |
| |
| void Document::setHasElementUsingStyleBasedEditability() |
| { |
| m_hasElementUsingStyleBasedEditability = true; |
| } |
| |
| void Document::processHttpEquiv(const String& equiv, const String& content, bool isInDocumentHead) |
| { |
| ASSERT(!equiv.isNull()); |
| ASSERT(!content.isNull()); |
| |
| HttpEquivPolicy policy = httpEquivPolicy(); |
| if (policy != HttpEquivPolicy::Enabled) { |
| String reason; |
| switch (policy) { |
| case HttpEquivPolicy::Enabled: |
| ASSERT_NOT_REACHED(); |
| break; |
| case HttpEquivPolicy::DisabledBySettings: |
| reason = "by the embedder."; |
| break; |
| case HttpEquivPolicy::DisabledByContentDispositionAttachmentSandbox: |
| reason = "for documents with Content-Disposition: attachment."; |
| break; |
| } |
| String message = "http-equiv '" + equiv + "' is disabled " + reason; |
| addConsoleMessage(MessageSource::Security, MessageLevel::Error, message); |
| return; |
| } |
| |
| Frame* frame = this->frame(); |
| |
| HTTPHeaderName headerName; |
| if (!findHTTPHeaderName(equiv, headerName)) |
| return; |
| |
| switch (headerName) { |
| case HTTPHeaderName::DefaultStyle: |
| // The preferred style set has been overridden as per section |
| // 14.3.2 of the HTML4.0 specification. We need to update the |
| // sheet used variable and then update our style selector. |
| // For more info, see the test at: |
| // http://www.hixie.ch/tests/evil/css/import/main/preferred.html |
| // -dwh |
| styleScope().setSelectedStylesheetSetName(content); |
| styleScope().setPreferredStylesheetSetName(content); |
| break; |
| |
| case HTTPHeaderName::Refresh: { |
| double delay; |
| String urlString; |
| if (frame && parseMetaHTTPEquivRefresh(content, delay, urlString)) { |
| URL completedURL; |
| if (urlString.isEmpty()) |
| completedURL = m_url; |
| else |
| completedURL = completeURL(urlString); |
| if (!protocolIsJavaScript(completedURL)) |
| frame->navigationScheduler().scheduleRedirect(*this, delay, completedURL); |
| else { |
| String message = "Refused to refresh " + m_url.stringCenterEllipsizedToLength() + " to a javascript: URL"; |
| addConsoleMessage(MessageSource::Security, MessageLevel::Error, message); |
| } |
| } |
| |
| break; |
| } |
| |
| case HTTPHeaderName::SetCookie: |
| // FIXME: make setCookie work on XML documents too; e.g. in case of <html:meta .....> |
| if (is<HTMLDocument>(*this)) { |
| // Exception (for sandboxed documents) ignored. |
| downcast<HTMLDocument>(*this).setCookie(content); |
| } |
| break; |
| |
| case HTTPHeaderName::ContentLanguage: |
| setContentLanguage(content); |
| break; |
| |
| case HTTPHeaderName::XDNSPrefetchControl: |
| parseDNSPrefetchControlHeader(content); |
| break; |
| |
| case HTTPHeaderName::XFrameOptions: |
| if (frame) { |
| FrameLoader& frameLoader = frame->loader(); |
| unsigned long requestIdentifier = 0; |
| if (frameLoader.activeDocumentLoader() && frameLoader.activeDocumentLoader()->mainResourceLoader()) |
| requestIdentifier = frameLoader.activeDocumentLoader()->mainResourceLoader()->identifier(); |
| |
| String message = "The X-Frame-Option '" + content + "' supplied in a <meta> element was ignored. X-Frame-Options may only be provided by an HTTP header sent with the document."; |
| addConsoleMessage(MessageSource::Security, MessageLevel::Error, message, requestIdentifier); |
| } |
| break; |
| |
| case HTTPHeaderName::ContentSecurityPolicy: |
| if (isInDocumentHead) |
| contentSecurityPolicy()->didReceiveHeader(content, ContentSecurityPolicyHeaderType::Enforce, ContentSecurityPolicy::PolicyFrom::HTTPEquivMeta); |
| break; |
| |
| case HTTPHeaderName::XWebKitCSP: |
| if (isInDocumentHead) |
| contentSecurityPolicy()->didReceiveHeader(content, ContentSecurityPolicyHeaderType::PrefixedEnforce, ContentSecurityPolicy::PolicyFrom::HTTPEquivMeta); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| void Document::processViewport(const String& features, ViewportArguments::Type origin) |
| { |
| ASSERT(!features.isNull()); |
| |
| LOG_WITH_STREAM(Viewports, stream << "Document::processViewport " << features); |
| |
| if (origin < m_viewportArguments.type) |
| return; |
| |
| m_viewportArguments = ViewportArguments(origin); |
| |
| LOG_WITH_STREAM(Viewports, stream << " resolved to " << m_viewportArguments); |
| |
| processFeaturesString(features, FeatureMode::Viewport, [this](StringView key, StringView value) { |
| setViewportFeature(m_viewportArguments, *this, key, value); |
| }); |
| |
| updateViewportArguments(); |
| } |
| |
| void Document::updateViewportArguments() |
| { |
| if (page() && frame()->isMainFrame()) { |
| #ifndef NDEBUG |
| m_didDispatchViewportPropertiesChanged = true; |
| #endif |
| page()->chrome().dispatchViewportPropertiesDidChange(m_viewportArguments); |
| page()->chrome().didReceiveDocType(*frame()); |
| } |
| } |
| |
| #if PLATFORM(IOS) |
| |
| void Document::processFormatDetection(const String& features) |
| { |
| // FIXME: Find a better place for this function. |
| processFeaturesString(features, FeatureMode::Viewport, [this](StringView key, StringView value) { |
| if (equalLettersIgnoringASCIICase(key, "telephone") && equalLettersIgnoringASCIICase(value, "no")) |
| setIsTelephoneNumberParsingAllowed(false); |
| }); |
| } |
| |
| void Document::processWebAppOrientations() |
| { |
| if (Page* page = this->page()) |
| page->chrome().client().webAppOrientationsUpdated(); |
| } |
| |
| #endif |
| |
| void Document::processReferrerPolicy(const String& policy) |
| { |
| ASSERT(!policy.isNull()); |
| |
| // Documents in a Content-Disposition: attachment sandbox should never send a Referer header, |
| // even if the document has a meta tag saying otherwise. |
| if (shouldEnforceContentDispositionAttachmentSandbox()) |
| return; |
| |
| #if USE(QUICK_LOOK) |
| if (shouldEnforceQuickLookSandbox()) |
| return; |
| #endif |
| |
| auto referrerPolicy = parseReferrerPolicy(policy, ShouldParseLegacyKeywords::Yes); |
| if (!referrerPolicy) { |
| addConsoleMessage(MessageSource::Rendering, MessageLevel::Error, "Failed to set referrer policy: The value '" + policy + "' is not one of 'no-referrer', 'no-referrer-when-downgrade', 'same-origin', 'origin', 'strict-origin', 'origin-when-cross-origin', 'strict-origin-when-cross-origin' or 'unsafe-url'. Defaulting to 'no-referrer'."); |
| setReferrerPolicy(ReferrerPolicy::NoReferrer); |
| return; |
| } |
| setReferrerPolicy(referrerPolicy.value()); |
| } |
| |
| MouseEventWithHitTestResults Document::prepareMouseEvent(const HitTestRequest& request, const LayoutPoint& documentPoint, const PlatformMouseEvent& event) |
| { |
| if (!hasLivingRenderTree()) |
| return MouseEventWithHitTestResults(event, HitTestResult(LayoutPoint())); |
| |
| HitTestResult result(documentPoint); |
| renderView()->hitTest(request, result); |
| |
| if (!request.readOnly()) |
| updateHoverActiveState(request, result.targetElement()); |
| |
| return MouseEventWithHitTestResults(event, result); |
| } |
| |
| // DOM Section 1.1.1 |
| bool Document::childTypeAllowed(NodeType type) const |
| { |
| switch (type) { |
| case ATTRIBUTE_NODE: |
| case CDATA_SECTION_NODE: |
| case DOCUMENT_FRAGMENT_NODE: |
| case DOCUMENT_NODE: |
| case TEXT_NODE: |
| return false; |
| case COMMENT_NODE: |
| case PROCESSING_INSTRUCTION_NODE: |
| return true; |
| case DOCUMENT_TYPE_NODE: |
| case ELEMENT_NODE: |
| // Documents may contain no more than one of each of these. |
| // (One Element and one DocumentType.) |
| for (Node* c = firstChild(); c; c = c->nextSibling()) |
| if (c->nodeType() == type) |
| return false; |
| return true; |
| } |
| return false; |
| } |
| |
| bool Document::canAcceptChild(const Node& newChild, const Node* refChild, AcceptChildOperation operation) const |
| { |
| if (operation == AcceptChildOperation::Replace && refChild->nodeType() == newChild.nodeType()) |
| return true; |
| |
| switch (newChild.nodeType()) { |
| case ATTRIBUTE_NODE: |
| case CDATA_SECTION_NODE: |
| case DOCUMENT_NODE: |
| case TEXT_NODE: |
| return false; |
| case COMMENT_NODE: |
| case PROCESSING_INSTRUCTION_NODE: |
| return true; |
| case DOCUMENT_FRAGMENT_NODE: { |
| bool hasSeenElementChild = false; |
| for (auto* node = downcast<DocumentFragment>(newChild).firstChild(); node; node = node->nextSibling()) { |
| if (is<Element>(*node)) { |
| if (hasSeenElementChild) |
| return false; |
| hasSeenElementChild = true; |
| } |
| if (!canAcceptChild(*node, refChild, operation)) |
| return false; |
| } |
| break; |
| } |
| case DOCUMENT_TYPE_NODE: { |
| auto* existingDocType = childrenOfType<DocumentType>(*this).first(); |
| if (operation == AcceptChildOperation::Replace) { |
| // parent has a doctype child that is not child, or an element is preceding child. |
| if (existingDocType && existingDocType != refChild) |
| return false; |
| if (refChild->previousElementSibling()) |
| return false; |
| } else { |
| ASSERT(operation == AcceptChildOperation::InsertOrAdd); |
| if (existingDocType) |
| return false; |
| if ((refChild && refChild->previousElementSibling()) || (!refChild && firstElementChild())) |
| return false; |
| } |
| break; |
| } |
| case ELEMENT_NODE: { |
| auto* existingElementChild = firstElementChild(); |
| if (operation == AcceptChildOperation::Replace) { |
| if (existingElementChild && existingElementChild != refChild) |
| return false; |
| for (auto* child = refChild->nextSibling(); child; child = child->nextSibling()) { |
| if (is<DocumentType>(*child)) |
| return false; |
| } |
| } else { |
| ASSERT(operation == AcceptChildOperation::InsertOrAdd); |
| if (existingElementChild) |
| return false; |
| for (auto* child = refChild; child; child = child->nextSibling()) { |
| if (is<DocumentType>(*child)) |
| return false; |
| } |
| } |
| break; |
| } |
| } |
| return true; |
| } |
| |
| Ref<Node> Document::cloneNodeInternal(Document&, CloningOperation type) |
| { |
| Ref<Document> clone = cloneDocumentWithoutChildren(); |
| clone->cloneDataFromDocument(*this); |
| switch (type) { |
| case CloningOperation::OnlySelf: |
| case CloningOperation::SelfWithTemplateContent: |
| break; |
| case CloningOperation::Everything: |
| cloneChildNodes(clone); |
| break; |
| } |
| return WTFMove(clone); |
| } |
| |
| Ref<Document> Document::cloneDocumentWithoutChildren() const |
| { |
| if (isXMLDocument()) { |
| if (isXHTMLDocument()) |
| return XMLDocument::createXHTML(nullptr, url()); |
| return XMLDocument::create(nullptr, url()); |
| } |
| return create(nullptr, url()); |
| } |
| |
| void Document::cloneDataFromDocument(const Document& other) |
| { |
| ASSERT(m_url == other.url()); |
| m_baseURL = other.baseURL(); |
| m_baseURLOverride = other.baseURLOverride(); |
| m_documentURI = other.documentURI(); |
| |
| setCompatibilityMode(other.m_compatibilityMode); |
| setContextDocument(other.contextDocument()); |
| setSecurityOriginPolicy(other.securityOriginPolicy()); |
| overrideMIMEType(other.contentType()); |
| setDecoder(other.decoder()); |
| } |
| |
| StyleSheetList& Document::styleSheets() |
| { |
| if (!m_styleSheetList) |
| m_styleSheetList = StyleSheetList::create(this); |
| return *m_styleSheetList; |
| } |
| |
| String Document::preferredStylesheetSet() const |
| { |
| return styleScope().preferredStylesheetSetName(); |
| } |
| |
| String Document::selectedStylesheetSet() const |
| { |
| return styleScope().selectedStylesheetSetName(); |
| } |
| |
| void Document::setSelectedStylesheetSet(const String& aString) |
| { |
| styleScope().setSelectedStylesheetSetName(aString); |
| } |
| |
| void Document::evaluateMediaQueryList() |
| { |
| if (m_mediaQueryMatcher) |
| m_mediaQueryMatcher->styleResolverChanged(); |
| |
| checkViewportDependentPictures(); |
| } |
| |
| void Document::checkViewportDependentPictures() |
| { |
| Vector<HTMLPictureElement*, 16> changedPictures; |
| HashSet<HTMLPictureElement*>::iterator end = m_viewportDependentPictures.end(); |
| for (HashSet<HTMLPictureElement*>::iterator it = m_viewportDependentPictures.begin(); it != end; ++it) { |
| if ((*it)->viewportChangeAffectedPicture()) |
| changedPictures.append(*it); |
| } |
| for (auto* picture : changedPictures) |
| picture->sourcesChanged(); |
| } |
| |
| void Document::updateViewportUnitsOnResize() |
| { |
| if (!hasStyleWithViewportUnits()) |
| return; |
| |
| styleScope().resolver().clearCachedPropertiesAffectedByViewportUnits(); |
| |
| // FIXME: Ideally, we should save the list of elements that have viewport units and only iterate over those. |
| for (Element* element = ElementTraversal::firstWithin(rootNode()); element; element = ElementTraversal::nextIncludingPseudo(*element)) { |
| auto* renderer = element->renderer(); |
| if (renderer && renderer->style().hasViewportUnits()) |
| element->invalidateStyle(); |
| } |
| } |
| |
| void Document::addAudioProducer(MediaProducer* audioProducer) |
| { |
| m_audioProducers.add(audioProducer); |
| updateIsPlayingMedia(); |
| } |
| |
| void Document::removeAudioProducer(MediaProducer* audioProducer) |
| { |
| m_audioProducers.remove(audioProducer); |
| updateIsPlayingMedia(); |
| } |
| |
| void Document::noteUserInteractionWithMediaElement() |
| { |
| if (m_userHasInteractedWithMediaElement) |
| return; |
| |
| if (!topDocument().userDidInteractWithPage()) |
| return; |
| |
| m_userHasInteractedWithMediaElement = true; |
| updateIsPlayingMedia(); |
| } |
| |
| void Document::updateIsPlayingMedia(uint64_t sourceElementID) |
| { |
| MediaProducer::MediaStateFlags state = MediaProducer::IsNotPlaying; |
| for (auto* audioProducer : m_audioProducers) |
| state |= audioProducer->mediaState(); |
| |
| #if ENABLE(MEDIA_SESSION) |
| if (HTMLMediaElement* sourceElement = HTMLMediaElement::elementWithID(sourceElementID)) { |
| if (sourceElement->isPlaying()) |
| state |= MediaProducer::IsSourceElementPlaying; |
| |
| if (auto* session = sourceElement->session()) { |
| if (auto* controls = session->controls()) { |
| if (controls->previousTrackEnabled()) |
| state |= MediaProducer::IsPreviousTrackControlEnabled; |
| if (controls->nextTrackEnabled()) |
| state |= MediaProducer::IsNextTrackControlEnabled; |
| } |
| } |
| } |
| #endif |
| |
| if (m_userHasInteractedWithMediaElement) |
| state |= MediaProducer::HasUserInteractedWithMediaElement; |
| |
| if (state == m_mediaState) |
| return; |
| |
| #if ENABLE(MEDIA_STREAM) |
| bool captureStateChanged = MediaProducer::isCapturing(m_mediaState) != MediaProducer::isCapturing(state); |
| #endif |
| |
| m_mediaState = state; |
| |
| if (page()) |
| page()->updateIsPlayingMedia(sourceElementID); |
| |
| #if ENABLE(MEDIA_STREAM) |
| if (captureStateChanged) |
| mediaStreamCaptureStateChanged(); |
| #endif |
| } |
| |
| void Document::pageMutedStateDidChange() |
| { |
| for (auto* audioProducer : m_audioProducers) |
| audioProducer->pageMutedStateDidChange(); |
| } |
| |
| static bool isNodeInSubtree(Node& node, Node& container, bool amongChildrenOnly) |
| { |
| if (amongChildrenOnly) |
| return node.isDescendantOf(container); |
| else |
| return &node == &container || node.isDescendantOf(container); |
| } |
| |
| void Document::removeFocusedNodeOfSubtree(Node& node, bool amongChildrenOnly) |
| { |
| if (!m_focusedElement || pageCacheState() != NotInPageCache) // If the document is in the page cache, then we don't need to clear out the focused node. |
| return; |
| |
| Element* focusedElement = node.treeScope().focusedElementInScope(); |
| if (!focusedElement) |
| return; |
| |
| if (isNodeInSubtree(*focusedElement, node, amongChildrenOnly)) { |
| // FIXME: We should avoid synchronously updating the style inside setFocusedElement. |
| // FIXME: Object elements should avoid loading a frame synchronously in a post style recalc callback. |
| SubframeLoadingDisabler disabler(is<ContainerNode>(node) ? &downcast<ContainerNode>(node) : nullptr); |
| setFocusedElement(nullptr, FocusDirectionNone, FocusRemovalEventsMode::DoNotDispatch); |
| // Set the focus navigation starting node to the previous focused element so that |
| // we can fallback to the siblings or parent node for the next search. |
| // Also we need to call removeFocusNavigationNodeOfSubtree after this function because |
| // setFocusedElement(nullptr) will reset m_focusNavigationStartingNode. |
| setFocusNavigationStartingNode(focusedElement); |
| } |
| } |
| |
| void Document::hoveredElementDidDetach(Element* element) |
| { |
| if (!m_hoveredElement || element != m_hoveredElement) |
| return; |
| |
| m_hoveredElement = element->parentElement(); |
| while (m_hoveredElement && !m_hoveredElement->renderer()) |
| m_hoveredElement = m_hoveredElement->parentElement(); |
| if (frame()) |
| frame()->eventHandler().scheduleHoverStateUpdate(); |
| } |
| |
| void Document::elementInActiveChainDidDetach(Element* element) |
| { |
| if (!m_activeElement || element != m_activeElement) |
| return; |
| |
| m_activeElement = element->parentElement(); |
| while (m_activeElement && !m_activeElement->renderer()) |
| m_activeElement = m_activeElement->parentElement(); |
| } |
| |
| #if ENABLE(DASHBOARD_SUPPORT) |
| |
| const Vector<AnnotatedRegionValue>& Document::annotatedRegions() const |
| { |
| return m_annotatedRegions; |
| } |
| |
| void Document::setAnnotatedRegions(const Vector<AnnotatedRegionValue>& regions) |
| { |
| m_annotatedRegions = regions; |
| setAnnotatedRegionsDirty(false); |
| } |
| |
| #endif |
| |
| bool Document::setFocusedElement(Element* element, FocusDirection direction, FocusRemovalEventsMode eventsMode) |
| { |
| RefPtr<Element> newFocusedElement = element; |
| // Make sure newFocusedElement is actually in this document |
| if (newFocusedElement && (&newFocusedElement->document() != this)) |
| return true; |
| |
| if (m_focusedElement == newFocusedElement) |
| return true; |
| |
| if (pageCacheState() != NotInPageCache) |
| return false; |
| |
| bool focusChangeBlocked = false; |
| RefPtr<Element> oldFocusedElement = WTFMove(m_focusedElement); |
| |
| // Remove focus from the existing focus node (if any) |
| if (oldFocusedElement) { |
| oldFocusedElement->setFocus(false); |
| setFocusNavigationStartingNode(nullptr); |
| |
| if (eventsMode == FocusRemovalEventsMode::Dispatch) { |
| // Dispatch a change event for form control elements that have been edited. |
| if (is<HTMLFormControlElement>(*oldFocusedElement)) { |
| HTMLFormControlElement& formControlElement = downcast<HTMLFormControlElement>(*oldFocusedElement); |
| if (formControlElement.wasChangedSinceLastFormControlChangeEvent()) |
| formControlElement.dispatchFormControlChangeEvent(); |
| } |
| |
| // Dispatch the blur event and let the node do any other blur related activities (important for text fields) |
| oldFocusedElement->dispatchBlurEvent(newFocusedElement.copyRef()); |
| |
| if (m_focusedElement) { |
| // handler shifted focus |
| focusChangeBlocked = true; |
| newFocusedElement = nullptr; |
| } |
| |
| oldFocusedElement->dispatchFocusOutEvent(eventNames().focusoutEvent, newFocusedElement.copyRef()); // DOM level 3 name for the bubbling blur event. |
| // FIXME: We should remove firing DOMFocusOutEvent event when we are sure no content depends |
| // on it, probably when <rdar://problem/8503958> is resolved. |
| oldFocusedElement->dispatchFocusOutEvent(eventNames().DOMFocusOutEvent, newFocusedElement.copyRef()); // DOM level 2 name for compatibility. |
| |
| if (m_focusedElement) { |
| // handler shifted focus |
| focusChangeBlocked = true; |
| newFocusedElement = nullptr; |
| } |
| } else { |
| // Match the order in HTMLTextFormControlElement::dispatchBlurEvent. |
| if (is<HTMLInputElement>(*oldFocusedElement)) |
| downcast<HTMLInputElement>(*oldFocusedElement).endEditing(); |
| if (page()) |
| page()->chrome().client().elementDidBlur(*oldFocusedElement); |
| ASSERT(!m_focusedElement); |
| } |
| |
| if (oldFocusedElement->isRootEditableElement()) |
| frame()->editor().didEndEditing(); |
| |
| if (view()) { |
| if (Widget* oldWidget = widgetForElement(oldFocusedElement.get())) |
| oldWidget->setFocus(false); |
| else |
| view()->setFocus(false); |
| } |
| |
| if (is<HTMLInputElement>(oldFocusedElement)) { |
| // HTMLInputElement::didBlur just scrolls text fields back to the beginning. |
| // FIXME: This could be done asynchronusly. |
| // Updating style may dispatch events due to PostResolutionCallback |
| if (eventsMode == FocusRemovalEventsMode::Dispatch) |
| updateStyleIfNeeded(); |
| downcast<HTMLInputElement>(*oldFocusedElement).didBlur(); |
| } |
| } |
| |
| if (newFocusedElement && newFocusedElement->isFocusable()) { |
| if (newFocusedElement->isRootEditableElement() && !acceptsEditingFocus(*newFocusedElement)) { |
| // delegate blocks focus change |
| focusChangeBlocked = true; |
| goto SetFocusedNodeDone; |
| } |
| // Set focus on the new node |
| m_focusedElement = newFocusedElement; |
| setFocusNavigationStartingNode(m_focusedElement.get()); |
| |
| // Dispatch the focus event and let the node do any other focus related activities (important for text fields) |
| m_focusedElement->dispatchFocusEvent(oldFocusedElement.copyRef(), direction); |
| |
| if (m_focusedElement != newFocusedElement) { |
| // handler shifted focus |
| focusChangeBlocked = true; |
| goto SetFocusedNodeDone; |
| } |
| |
| m_focusedElement->dispatchFocusInEvent(eventNames().focusinEvent, oldFocusedElement.copyRef()); // DOM level 3 bubbling focus event. |
| |
| if (m_focusedElement != newFocusedElement) { |
| // handler shifted focus |
| focusChangeBlocked = true; |
| goto SetFocusedNodeDone; |
| } |
| |
| // FIXME: We should remove firing DOMFocusInEvent event when we are sure no content depends |
| // on it, probably when <rdar://problem/8503958> is m. |
| m_focusedElement->dispatchFocusInEvent(eventNames().DOMFocusInEvent, oldFocusedElement.copyRef()); // DOM level 2 for compatibility. |
| |
| if (m_focusedElement != newFocusedElement) { |
| // handler shifted focus |
| focusChangeBlocked = true; |
| goto SetFocusedNodeDone; |
| } |
| |
| m_focusedElement->setFocus(true); |
| |
| // The setFocus call triggers a blur and a focus event. Event handlers could cause the focused element to be cleared. |
| if (m_focusedElement != newFocusedElement) { |
| // handler shifted focus |
| focusChangeBlocked = true; |
| goto SetFocusedNodeDone; |
| } |
| |
| if (m_focusedElement->isRootEditableElement()) |
| frame()->editor().didBeginEditing(); |
| |
| // eww, I suck. set the qt focus correctly |
| // ### find a better place in the code for this |
| if (view()) { |
| Widget* focusWidget = widgetForElement(m_focusedElement.get()); |
| if (focusWidget) { |
| // Make sure a widget has the right size before giving it focus. |
| // Otherwise, we are testing edge cases of the Widget code. |
| // Specifically, in WebCore this does not work well for text fields. |
| updateLayout(); |
| // Re-get the widget in case updating the layout changed things. |
| focusWidget = widgetForElement(m_focusedElement.get()); |
| } |
| if (focusWidget) |
| focusWidget->setFocus(true); |
| else |
| view()->setFocus(true); |
| } |
| } |
| |
| if (!focusChangeBlocked && m_focusedElement) { |
| // Create the AXObject cache in a focus change because GTK relies on it. |
| if (AXObjectCache* cache = axObjectCache()) |
| cache->deferFocusedUIElementChangeIfNeeded(oldFocusedElement.get(), newFocusedElement.get()); |
| } |
| |
| if (!focusChangeBlocked && page()) |
| page()->chrome().focusedElementChanged(m_focusedElement.get()); |
| |
| SetFocusedNodeDone: |
| // Updating style may dispatch events due to PostResolutionCallback |
| // FIXME: Why is synchronous style update needed here at all? |
| if (eventsMode == FocusRemovalEventsMode::Dispatch) |
| updateStyleIfNeeded(); |
| return !focusChangeBlocked; |
| } |
| |
| static bool shouldResetFocusNavigationStartingNode(Node& node) |
| { |
| // Setting focus navigation starting node to the following nodes means that we should start |
| // the search from the beginning of the document. |
| return is<HTMLHtmlElement>(node) || is<HTMLDocument>(node); |
| } |
| |
| void Document::setFocusNavigationStartingNode(Node* node) |
| { |
| if (!m_frame) |
| return; |
| |
| m_focusNavigationStartingNodeIsRemoved = false; |
| if (!node || shouldResetFocusNavigationStartingNode(*node)) { |
| m_focusNavigationStartingNode = nullptr; |
| return; |
| } |
| |
| m_focusNavigationStartingNode = node; |
| } |
| |
| Element* Document::focusNavigationStartingNode(FocusDirection direction) const |
| { |
| if (m_focusedElement) { |
| if (!m_focusNavigationStartingNode || !m_focusNavigationStartingNode->isDescendantOf(m_focusedElement.get())) |
| return m_focusedElement.get(); |
| } |
| |
| if (!m_focusNavigationStartingNode) |
| return nullptr; |
| |
| Node* node = m_focusNavigationStartingNode.get(); |
| |
| // When the node was removed from the document tree. This case is not specified in the spec: |
| // https://html.spec.whatwg.org/multipage/interaction.html#sequential-focus-navigation-starting-point |
| // Current behaivor is to move the sequential navigation node to / after (based on the focus direction) |
| // the previous sibling of the removed node. |
| if (m_focusNavigationStartingNodeIsRemoved) { |
| Node* nextNode = NodeTraversal::next(*node); |
| if (!nextNode) |
| nextNode = node; |
| if (direction == FocusDirectionForward) |
| return ElementTraversal::previous(*nextNode); |
| if (is<Element>(*nextNode)) |
| return downcast<Element>(nextNode); |
| return ElementTraversal::next(*nextNode); |
| } |
| |
| if (is<Element>(*node)) |
| return downcast<Element>(node); |
| if (Element* elementBeforeNextFocusableElement = direction == FocusDirectionForward ? ElementTraversal::previous(*node) : ElementTraversal::next(*node)) |
| return elementBeforeNextFocusableElement; |
| return node->parentOrShadowHostElement(); |
| } |
| |
| void Document::setCSSTarget(Element* targetNode) |
| { |
| if (m_cssTarget) |
| m_cssTarget->invalidateStyleForSubtree(); |
| m_cssTarget = targetNode; |
| if (targetNode) |
| targetNode->invalidateStyleForSubtree(); |
| } |
| |
| void Document::registerNodeListForInvalidation(LiveNodeList& list) |
| { |
| m_nodeListAndCollectionCounts[list.invalidationType()]++; |
| if (!list.isRootedAtDocument()) |
| return; |
| ASSERT(!list.isRegisteredForInvalidationAtDocument()); |
| list.setRegisteredForInvalidationAtDocument(true); |
| m_listsInvalidatedAtDocument.add(&list); |
| } |
| |
| void Document::unregisterNodeListForInvalidation(LiveNodeList& list) |
| { |
| m_nodeListAndCollectionCounts[list.invalidationType()]--; |
| if (!list.isRegisteredForInvalidationAtDocument()) |
| return; |
| |
| list.setRegisteredForInvalidationAtDocument(false); |
| ASSERT(m_listsInvalidatedAtDocument.contains(&list)); |
| m_listsInvalidatedAtDocument.remove(&list); |
| } |
| |
| void Document::registerCollection(HTMLCollection& collection) |
| { |
| m_nodeListAndCollectionCounts[collection.invalidationType()]++; |
| if (collection.isRootedAtDocument()) |
| m_collectionsInvalidatedAtDocument.add(&collection); |
| } |
| |
| void Document::unregisterCollection(HTMLCollection& collection) |
| { |
| ASSERT(m_nodeListAndCollectionCounts[collection.invalidationType()]); |
| m_nodeListAndCollectionCounts[collection.invalidationType()]--; |
| if (!collection.isRootedAtDocument()) |
| return; |
| |
| m_collectionsInvalidatedAtDocument.remove(&collection); |
| } |
| |
| void Document::collectionCachedIdNameMap(const HTMLCollection& collection) |
| { |
| ASSERT_UNUSED(collection, collection.hasNamedElementCache()); |
| m_nodeListAndCollectionCounts[InvalidateOnIdNameAttrChange]++; |
| } |
| |
| void Document::collectionWillClearIdNameMap(const HTMLCollection& collection) |
| { |
| ASSERT_UNUSED(collection, collection.hasNamedElementCache()); |
| ASSERT(m_nodeListAndCollectionCounts[InvalidateOnIdNameAttrChange]); |
| m_nodeListAndCollectionCounts[InvalidateOnIdNameAttrChange]--; |
| } |
| |
| void Document::attachNodeIterator(NodeIterator* ni) |
| { |
| m_nodeIterators.add(ni); |
| } |
| |
| void Document::detachNodeIterator(NodeIterator* ni) |
| { |
| // The node iterator can be detached without having been attached if its root node didn't have a document |
| // when the iterator was created, but has it now. |
| m_nodeIterators.remove(ni); |
| } |
| |
| void Document::moveNodeIteratorsToNewDocumentSlowCase(Node& node, Document& newDocument) |
| { |
| ASSERT(!m_nodeIterators.isEmpty()); |
| for (auto* it : copyToVector(m_nodeIterators)) { |
| if (&it->root() == &node) { |
| detachNodeIterator(it); |
| newDocument.attachNodeIterator(it); |
| } |
| } |
| } |
| |
| void Document::updateRangesAfterChildrenChanged(ContainerNode& container) |
| { |
| for (auto* range : m_ranges) |
| range->nodeChildrenChanged(container); |
| } |
| |
| void Document::nodeChildrenWillBeRemoved(ContainerNode& container) |
| { |
| ASSERT(!ScriptDisallowedScope::InMainThread::isScriptAllowed()); |
| |
| removeFocusedNodeOfSubtree(container, true /* amongChildrenOnly */); |
| removeFocusNavigationNodeOfSubtree(container, true /* amongChildrenOnly */); |
| |
| #if ENABLE(FULLSCREEN_API) |
| removeFullScreenElementOfSubtree(container, true /* amongChildrenOnly */); |
| #endif |
| |
| for (auto* range : m_ranges) |
| range->nodeChildrenWillBeRemoved(container); |
| |
| for (auto* it : m_nodeIterators) { |
| for (Node* n = container.firstChild(); n; n = n->nextSibling()) |
| it->nodeWillBeRemoved(*n); |
| } |
| |
| if (RefPtr<Frame> frame = this->frame()) { |
| for (Node* n = container.firstChild(); n; n = n->nextSibling()) { |
| frame->eventHandler().nodeWillBeRemoved(*n); |
| frame->selection().nodeWillBeRemoved(*n); |
| frame->page()->dragCaretController().nodeWillBeRemoved(*n); |
| } |
| } |
| |
| if (m_markers->hasMarkers()) { |
| for (Text* textNode = TextNodeTraversal::firstChild(container); textNode; textNode = TextNodeTraversal::nextSibling(*textNode)) |
| m_markers->removeMarkers(textNode); |
| } |
| } |
| |
| void Document::nodeWillBeRemoved(Node& node) |
| { |
| ASSERT(!ScriptDisallowedScope::InMainThread::isScriptAllowed()); |
| |
| removeFocusedNodeOfSubtree(node); |
| removeFocusNavigationNodeOfSubtree(node); |
| |
| #if ENABLE(FULLSCREEN_API) |
| removeFullScreenElementOfSubtree(node); |
| #endif |
| |
| for (auto* it : m_nodeIterators) |
| it->nodeWillBeRemoved(node); |
| |
| for (auto* range : m_ranges) |
| range->nodeWillBeRemoved(node); |
| |
| if (RefPtr<Frame> frame = this->frame()) { |
| frame->eventHandler().nodeWillBeRemoved(node); |
| frame->selection().nodeWillBeRemoved(node); |
| frame->page()->dragCaretController().nodeWillBeRemoved(node); |
| } |
| |
| if (is<Text>(node)) |
| m_markers->removeMarkers(&node); |
| } |
| |
| static Node* fallbackFocusNavigationStartingNodeAfterRemoval(Node& node) |
| { |
| return node.previousSibling() ? node.previousSibling() : node.parentNode(); |
| } |
| |
| void Document::removeFocusNavigationNodeOfSubtree(Node& node, bool amongChildrenOnly) |
| { |
| if (!m_focusNavigationStartingNode) |
| return; |
| |
| if (isNodeInSubtree(*m_focusNavigationStartingNode, node, amongChildrenOnly)) { |
| m_focusNavigationStartingNode = amongChildrenOnly ? &node : fallbackFocusNavigationStartingNodeAfterRemoval(node); |
| m_focusNavigationStartingNodeIsRemoved = true; |
| } |
| } |
| |
| void Document::textInserted(Node* text, unsigned offset, unsigned length) |
| { |
| if (!m_ranges.isEmpty()) { |
| for (auto* range : m_ranges) |
| range->textInserted(text, offset, length); |
| } |
| |
| // Update the markers for spelling and grammar checking. |
| m_markers->shiftMarkers(text, offset, length); |
| } |
| |
| void Document::textRemoved(Node* text, unsigned offset, unsigned length) |
| { |
| if (!m_ranges.isEmpty()) { |
| for (auto* range : m_ranges) |
| range->textRemoved(text, offset, length); |
| } |
| |
| // Update the markers for spelling and grammar checking. |
| m_markers->removeMarkers(text, offset, length); |
| m_markers->shiftMarkers(text, offset + length, 0 - length); |
| } |
| |
| void Document::textNodesMerged(Text* oldNode, unsigned offset) |
| { |
| if (!m_ranges.isEmpty()) { |
| NodeWithIndex oldNodeWithIndex(oldNode); |
| for (auto* range : m_ranges) |
| range->textNodesMerged(oldNodeWithIndex, offset); |
| } |
| |
| // FIXME: This should update markers for spelling and grammar checking. |
| } |
| |
| void Document::textNodeSplit(Text* oldNode) |
| { |
| for (auto* range : m_ranges) |
| range->textNodeSplit(oldNode); |
| |
| // FIXME: This should update markers for spelling and grammar checking. |
| } |
| |
| void Document::createDOMWindow() |
| { |
| ASSERT(m_frame); |
| ASSERT(!m_domWindow); |
| |
| m_domWindow = DOMWindow::create(*this); |
| |
| ASSERT(m_domWindow->document() == this); |
| ASSERT(m_domWindow->frame() == m_frame); |
| |
| m_frame->loader().client().didCreateWindow(*m_domWindow); |
| } |
| |
| void Document::takeDOMWindowFrom(Document* document) |
| { |
| ASSERT(m_frame); |
| ASSERT(!m_domWindow); |
| ASSERT(document->m_domWindow); |
| // A valid DOMWindow is needed by CachedFrame for its documents. |
| ASSERT(pageCacheState() == NotInPageCache); |
| |
| m_domWindow = WTFMove(document->m_domWindow); |
| m_domWindow->didSecureTransitionTo(*this); |
| |
| ASSERT(m_domWindow->document() == this); |
| ASSERT(m_domWindow->frame() == m_frame); |
| } |
| |
| WindowProxy* Document::windowProxy() const |
| { |
| if (!m_frame) |
| return nullptr; |
| return &m_frame->windowProxy(); |
| } |
| |
| Document& Document::contextDocument() const |
| { |
| if (m_contextDocument) |
| return *m_contextDocument.get(); |
| return const_cast<Document&>(*this); |
| } |
| |
| void Document::setAttributeEventListener(const AtomicString& eventType, const QualifiedName& attributeName, const AtomicString& attributeValue, DOMWrapperWorld& isolatedWorld) |
| { |
| setAttributeEventListener(eventType, JSLazyEventListener::create(*this, attributeName, attributeValue), isolatedWorld); |
| } |
| |
| void Document::setWindowAttributeEventListener(const AtomicString& eventType, RefPtr<EventListener>&& listener, DOMWrapperWorld& isolatedWorld) |
| { |
| if (!m_domWindow) |
| return; |
| m_domWindow->setAttributeEventListener(eventType, WTFMove(listener), isolatedWorld); |
| } |
| |
| void Document::setWindowAttributeEventListener(const AtomicString& eventType, const QualifiedName& attributeName, const AtomicString& attributeValue, DOMWrapperWorld& isolatedWorld) |
| { |
| if (!m_domWindow) |
| return; |
| setWindowAttributeEventListener(eventType, JSLazyEventListener::create(*m_domWindow, attributeName, attributeValue), isolatedWorld); |
| } |
| |
| EventListener* Document::getWindowAttributeEventListener(const AtomicString& eventType, DOMWrapperWorld& isolatedWorld) |
| { |
| if (!m_domWindow) |
| return nullptr; |
| return m_domWindow->attributeEventListener(eventType, isolatedWorld); |
| } |
| |
| void Document::dispatchWindowEvent(Event& event, EventTarget* target) |
| { |
| ASSERT_WITH_SECURITY_IMPLICATION(ScriptDisallowedScope::InMainThread::isScriptAllowed()); |
| if (!m_domWindow) |
| return; |
| m_domWindow->dispatchEvent(event, target); |
| } |
| |
| void Document::dispatchWindowLoadEvent() |
| { |
| ASSERT_WITH_SECURITY_IMPLICATION(ScriptDisallowedScope::InMainThread::isScriptAllowed()); |
| if (!m_domWindow) |
| return; |
| m_domWindow->dispatchLoadEvent(); |
| m_loadEventFinished = true; |
| m_cachedResourceLoader->documentDidFinishLoadEvent(); |
| } |
| |
| void Document::enqueueWindowEvent(Ref<Event>&& event) |
| { |
| event->setTarget(m_domWindow.get()); |
| m_eventQueue.enqueueEvent(WTFMove(event)); |
| } |
| |
| void Document::enqueueDocumentEvent(Ref<Event>&& event) |
| { |
| event->setTarget(this); |
| m_eventQueue.enqueueEvent(WTFMove(event)); |
| } |
| |
| void Document::enqueueOverflowEvent(Ref<Event>&& event) |
| { |
| m_eventQueue.enqueueEvent(WTFMove(event)); |
| } |
| |
| ExceptionOr<Ref<Event>> Document::createEvent(const String& type) |
| { |
| // Please do *not* add new event classes to this function unless they are required |
| // for compatibility with the DOM specification or some actual legacy web content. |
| |
| // This mechanism is superceded by use of event constructors. |
| // That is what we should use for any new event classes. |
| |
| // The following strings are the ones from the DOM specification |
| // <https://dom.spec.whatwg.org/#dom-document-createevent>. |
| |
| if (equalLettersIgnoringASCIICase(type, "beforeunloadevent")) |
| return Ref<Event> { BeforeUnloadEvent::createForBindings() }; |
| if (equalLettersIgnoringASCIICase(type, "compositionevent")) |
| return Ref<Event> { CompositionEvent::createForBindings() }; |
| if (equalLettersIgnoringASCIICase(type, "customevent")) |
| return Ref<Event> { CustomEvent::create() }; |
| if (equalLettersIgnoringASCIICase(type, "event") || equalLettersIgnoringASCIICase(type, "events") || equalLettersIgnoringASCIICase(type, "htmlevents") || equalLettersIgnoringASCIICase(type, "svgevents")) |
| return Event::createForBindings(); |
| if (equalLettersIgnoringASCIICase(type, "focusevent")) |
| return Ref<Event> { FocusEvent::createForBindings() }; |
| if (equalLettersIgnoringASCIICase(type, "hashchangeevent")) |
| return Ref<Event> { HashChangeEvent::createForBindings() }; |
| if (equalLettersIgnoringASCIICase(type, "keyboardevent")) |
| return Ref<Event> { KeyboardEvent::createForBindings() }; |
| if (equalLettersIgnoringASCIICase(type, "messageevent")) |
| return Ref<Event> { MessageEvent::createForBindings() }; |
| if (equalLettersIgnoringASCIICase(type, "storageevent")) |
| return Ref<Event> { StorageEvent::createForBindings() }; |
| if (equalLettersIgnoringASCIICase(type, "mouseevent") || equalLettersIgnoringASCIICase(type, "mouseevents")) |
| return Ref<Event> { MouseEvent::createForBindings() }; |
| if (equalLettersIgnoringASCIICase(type, "textevent")) |
| return Ref<Event> { TextEvent::createForBindings() }; // FIXME: HTML specification says this should create a CompositionEvent, not a TextEvent. |
| if (equalLettersIgnoringASCIICase(type, "uievent") || equalLettersIgnoringASCIICase(type, "uievents")) |
| return Ref<Event> { UIEvent::createForBindings() }; |
| |
| // FIXME: Consider including support for these event classes even when device orientation |
| // support is not enabled. |
| #if ENABLE(DEVICE_ORIENTATION) |
| if (equalLettersIgnoringASCIICase(type, "devicemotionevent")) |
| return Ref<Event> { DeviceMotionEvent::createForBindings() }; |
| if (equalLettersIgnoringASCIICase(type, "deviceorientationevent")) |
| return Ref<Event> { DeviceOrientationEvent::createForBindings() }; |
| #endif |
| |
| #if ENABLE(TOUCH_EVENTS) |
| if (equalLettersIgnoringASCIICase(type, "touchevent")) |
| return Ref<Event> { TouchEvent::createForBindings() }; |
| #endif |
| |
| // FIXME: Add support for "dragevent", which the DOM specification calls for. |
| |
| // The following string comes from the SVG specification |
| // <http://www.w3.org/TR/SVG/script.html#InterfaceSVGZoomEvent> |
| // However, since there is no provision for initializing the event once it is created, |
| // there is no practical value in this feature. |
| // FIXME: Confirm there is no content depending on this and remove it. |
| |
| if (equalLettersIgnoringASCIICase(type, "svgzoomevents")) |
| return Ref<Event> { SVGZoomEvent::createForBindings() }; |
| |
| // The following strings are not part of the DOM specification and we would like to eliminate them. |
| // However, we currently include them until we resolve any issues with backward compatibility. |
| // FIXME: For each of the strings below, confirm that there is no content depending on it and remove |
| // the string, remove the createForBindings function, and also consider removing the corresponding |
| // init function for that class. |
| |
| if (equalLettersIgnoringASCIICase(type, "keyboardevents")) |
| return Ref<Event> { KeyboardEvent::createForBindings() }; |
| if (equalLettersIgnoringASCIICase(type, "mutationevent") || equalLettersIgnoringASCIICase(type, "mutationevents")) |
| return Ref<Event> { MutationEvent::createForBindings() }; |
| if (equalLettersIgnoringASCIICase(type, "overflowevent")) |
| return Ref<Event> { OverflowEvent::createForBindings() }; |
| if (equalLettersIgnoringASCIICase(type, "popstateevent")) |
| return Ref<Event> { PopStateEvent::createForBindings() }; |
| if (equalLettersIgnoringASCIICase(type, "wheelevent")) |
| return Ref<Event> { WheelEvent::createForBindings() }; |
| |
| return Exception { NotSupportedError }; |
| } |
| |
| bool Document::hasListenerTypeForEventType(PlatformEvent::Type eventType) const |
| { |
| switch (eventType) { |
| case PlatformEvent::MouseForceChanged: |
| return m_listenerTypes & Document::FORCECHANGED_LISTENER; |
| case PlatformEvent::MouseForceDown: |
| return m_listenerTypes & Document::FORCEDOWN_LISTENER; |
| case PlatformEvent::MouseForceUp: |
| return m_listenerTypes & Document::FORCEUP_LISTENER; |
| case PlatformEvent::MouseScroll: |
| return m_listenerTypes & Document::SCROLL_LISTENER; |
| default: |
| return false; |
| } |
| } |
| |
| void Document::addListenerTypeIfNeeded(const AtomicString& eventType) |
| { |
| if (eventType == eventNames().DOMSubtreeModifiedEvent) |
| addListenerType(DOMSUBTREEMODIFIED_LISTENER); |
| else if (eventType == eventNames().DOMNodeInsertedEvent) |
| addListenerType(DOMNODEINSERTED_LISTENER); |
| else if (eventType == eventNames().DOMNodeRemovedEvent) |
| addListenerType(DOMNODEREMOVED_LISTENER); |
| else if (eventType == eventNames().DOMNodeRemovedFromDocumentEvent) |
| addListenerType(DOMNODEREMOVEDFROMDOCUMENT_LISTENER); |
| else if (eventType == eventNames().DOMNodeInsertedIntoDocumentEvent) |
| addListenerType(DOMNODEINSERTEDINTODOCUMENT_LISTENER); |
| else if (eventType == eventNames().DOMCharacterDataModifiedEvent) |
| addListenerType(DOMCHARACTERDATAMODIFIED_LISTENER); |
| else if (eventType == eventNames().overflowchangedEvent) |
| addListenerType(OVERFLOWCHANGED_LISTENER); |
| else if (eventType == eventNames().webkitAnimationStartEvent || eventType == eventNames().animationstartEvent) |
| addListenerType(ANIMATIONSTART_LISTENER); |
| else if (eventType == eventNames().webkitAnimationEndEvent || eventType == eventNames().animationendEvent) |
| addListenerType(ANIMATIONEND_LISTENER); |
| else if (eventType == eventNames().webkitAnimationIterationEvent || eventType == eventNames().animationiterationEvent) |
| addListenerType(ANIMATIONITERATION_LISTENER); |
| else if (eventType == eventNames().webkitTransitionEndEvent || eventType == eventNames().transitionendEvent) |
| addListenerType(TRANSITIONEND_LISTENER); |
| else if (eventType == eventNames().beforeloadEvent) |
| addListenerType(BEFORELOAD_LISTENER); |
| else if (eventType == eventNames().scrollEvent) |
| addListenerType(SCROLL_LISTENER); |
| else if (eventType == eventNames().webkitmouseforcewillbeginEvent) |
| addListenerType(FORCEWILLBEGIN_LISTENER); |
| else if (eventType == eventNames().webkitmouseforcechangedEvent) |
| addListenerType(FORCECHANGED_LISTENER); |
| else if (eventType == eventNames().webkitmouseforcedownEvent) |
| addListenerType(FORCEDOWN_LISTENER); |
| else if (eventType == eventNames().webkitmouseforceupEvent) |
| addListenerType(FORCEUP_LISTENER); |
| else if (eventType == eventNames().resizeEvent) |
| addListenerType(RESIZE_LISTENER); |
| } |
| |
| CSSStyleDeclaration* Document::getOverrideStyle(Element*, const String&) |
| { |
| return nullptr; |
| } |
| |
| HTMLFrameOwnerElement* Document::ownerElement() const |
| { |
| if (!frame()) |
| return nullptr; |
| return frame()->ownerElement(); |
| } |
| |
| // https://html.spec.whatwg.org/#cookie-averse-document-object |
| bool Document::isCookieAverse() const |
| { |
| // A Document that has no browsing context is cookie-averse. |
| if (!frame()) |
| return true; |
| |
| URL cookieURL = this->cookieURL(); |
| |
| // This is not part of the specification but we have historically allowed cookies over file protocol |
| // and some developers rely on this for testing. |
| if (cookieURL.isLocalFile()) |
| return false; |
| |
| // A Document whose URL's scheme is not a network scheme is cookie-averse (https://fetch.spec.whatwg.org/#network-scheme). |
| return !cookieURL.protocolIsInHTTPFamily() && !cookieURL.protocolIs("ftp"); |
| } |
| |
| ExceptionOr<String> Document::cookie() |
| { |
| if (page() && !page()->settings().cookieEnabled()) |
| return String(); |
| |
| if (isCookieAverse()) |
| return String(); |
| |
| if (!securityOrigin().canAccessCookies()) |
| return Exception { SecurityError }; |
| |
| URL cookieURL = this->cookieURL(); |
| if (cookieURL.isEmpty()) |
| return String(); |
| |
| if (!isDOMCookieCacheValid()) |
| setCachedDOMCookies(cookies(*this, cookieURL)); |
| |
| return String { cachedDOMCookies() }; |
| } |
| |
| ExceptionOr<void> Document::setCookie(const String& value) |
| { |
| if (page() && !page()->settings().cookieEnabled()) |
| return { }; |
| |
| if (isCookieAverse()) |
| return { }; |
| |
| if (!securityOrigin().canAccessCookies()) |
| return Exception { SecurityError }; |
| |
| URL cookieURL = this->cookieURL(); |
| if (cookieURL.isEmpty()) |
| return { }; |
| |
| invalidateDOMCookieCache(); |
| setCookies(*this, cookieURL, value); |
| return { }; |
| } |
| |
| String Document::referrer() const |
| { |
| if (frame()) |
| return frame()->loader().referrer(); |
| return String(); |
| } |
| |
| String Document::origin() const |
| { |
| return securityOrigin().toString(); |
| } |
| |
| String Document::domain() const |
| { |
| return securityOrigin().domain(); |
| } |
| |
| bool Document::domainIsRegisterable(const String& newDomain) const |
| { |
| if (newDomain.isEmpty()) |
| return false; |
| |
| const String& effectiveDomain = domain(); |
| |
| // If the new domain is the same as the old domain, return true so that |
| // we still call securityOrigin().setDomainForDOM. This will change the |
| // security check behavior. For example, if a page loaded on port 8000 |
| // assigns its current domain using document.domain, the page will |
| // allow other pages loaded on different ports in the same domain that |
| // have also assigned to access this page. |
| if (equalIgnoringASCIICase(effectiveDomain, newDomain)) |
| return true; |
| |
| // e.g. newDomain = webkit.org (10) and domain() = www.webkit.org (14) |
| unsigned oldLength = effectiveDomain.length(); |
| unsigned newLength = newDomain.length(); |
| if (newLength >= oldLength) |
| return false; |
| |
| auto ipAddressSetting = settings().treatIPAddressAsDomain() ? OriginAccessEntry::TreatIPAddressAsDomain : OriginAccessEntry::TreatIPAddressAsIPAddress; |
| OriginAccessEntry accessEntry { securityOrigin().protocol(), newDomain, OriginAccessEntry::AllowSubdomains, ipAddressSetting }; |
| if (!accessEntry.matchesOrigin(securityOrigin())) |
| return false; |
| |
| if (effectiveDomain[oldLength - newLength - 1] != '.') |
| return false; |
| if (StringView { effectiveDomain }.substring(oldLength - newLength) != newDomain) |
| return false; |
| |
| auto potentialPublicSuffix = newDomain; |
| if (potentialPublicSuffix.startsWith('.')) |
| potentialPublicSuffix.remove(0, 1); |
| |
| #if ENABLE(PUBLIC_SUFFIX_LIST) |
| return !isPublicSuffix(potentialPublicSuffix); |
| #else |
| return true; |
| #endif |
| } |
| |
| ExceptionOr<void> Document::setDomain(const String& newDomain) |
| { |
| if (!frame()) |
| return Exception { SecurityError, "A browsing context is required to set a domain." }; |
| |
| if (isSandboxed(SandboxDocumentDomain)) |
| return Exception { SecurityError, "Assignment is forbidden for sandboxed iframes." }; |
| |
| if (SchemeRegistry::isDomainRelaxationForbiddenForURLScheme(securityOrigin().protocol())) |
| return Exception { SecurityError }; |
| |
| // FIXME: We should add logging indicating why a domain was not allowed. |
| |
| const String& effectiveDomain = domain(); |
| if (effectiveDomain.isEmpty()) |
| return Exception { SecurityError, "The document has a null effectiveDomain." }; |
| |
| if (!domainIsRegisterable(newDomain)) |
| return Exception { SecurityError, "Attempted to use a non-registrable domain." }; |
| |
| securityOrigin().setDomainFromDOM(newDomain); |
| return { }; |
| } |
| |
| // http://www.whatwg.org/specs/web-apps/current-work/#dom-document-lastmodified |
| String Document::lastModified() |
| { |
| std::optional<WallTime> dateTime; |
| if (m_frame && loader()) |
| dateTime = loader()->response().lastModified(); |
| |
| // FIXME: If this document came from the file system, the HTML5 |
| // specification tells us to read the last modification date from the file |
| // system. |
| if (!dateTime) |
| dateTime = WallTime::now(); |
| |
| auto ctime = dateTime.value().secondsSinceEpoch().secondsAs<time_t>(); |
| auto localDateTime = std::localtime(&ctime); |
| return String::format("%02d/%02d/%04d %02d:%02d:%02d", localDateTime->tm_mon + 1, localDateTime->tm_mday, 1900 + localDateTime->tm_year, localDateTime->tm_hour, localDateTime->tm_min, localDateTime->tm_sec); |
| } |
| |
| void Document::setCookieURL(const URL& url) |
| { |
| if (m_cookieURL == url) |
| return; |
| m_cookieURL = url; |
| invalidateDOMCookieCache(); |
| } |
| |
| static bool isValidNameNonASCII(const LChar* characters, unsigned length) |
| { |
| if (!isValidNameStart(characters[0])) |
| return false; |
| |
| for (unsigned i = 1; i < length; ++i) { |
| if (!isValidNamePart(characters[i])) |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static bool isValidNameNonASCII(const UChar* characters, unsigned length) |
| { |
| unsigned i = 0; |
| |
| UChar32 c; |
| U16_NEXT(characters, i, length, c) |
| if (!isValidNameStart(c)) |
| return false; |
| |
| while (i < length) { |
| U16_NEXT(characters, i, length, c) |
| if (!isValidNamePart(c)) |
| return false; |
| } |
| |
| return true; |
| } |
| |
| template<typename CharType> |
| static inline bool isValidNameASCII(const CharType* characters, unsigned length) |
| { |
| CharType c = characters[0]; |
| if (!(isASCIIAlpha(c) || c == ':' || c == '_')) |
| return false; |
| |
| for (unsigned i = 1; i < length; ++i) { |
| c = characters[i]; |
| if (!(isASCIIAlphanumeric(c) || c == ':' || c == '_' || c == '-' || c == '.')) |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool Document::isValidName(const String& name) |
| { |
| unsigned length = name.length(); |
| if (!length) |
| return false; |
| |
| if (name.is8Bit()) { |
| const LChar* characters = name.characters8(); |
| |
| if (isValidNameASCII(characters, length)) |
| return true; |
| |
| return isValidNameNonASCII(characters, length); |
| } |
| |
| const UChar* characters = name.characters16(); |
| |
| if (isValidNameASCII(characters, length)) |
| return true; |
| |
| return isValidNameNonASCII(characters, length); |
| } |
| |
| ExceptionOr<std::pair<AtomicString, AtomicString>> Document::parseQualifiedName(const String& qualifiedName) |
| { |
| unsigned length = qualifiedName.length(); |
| |
| if (!length) |
| return Exception { InvalidCharacterError }; |
| |
| bool nameStart = true; |
| bool sawColon = false; |
| unsigned colonPosition = 0; |
| |
| for (unsigned i = 0; i < length; ) { |
| UChar32 c; |
| U16_NEXT(qualifiedName, i, length, c) |
| if (c == ':') { |
| if (sawColon) |
| return Exception { InvalidCharacterError }; |
| nameStart = true; |
| sawColon = true; |
| colonPosition = i - 1; |
| } else if (nameStart) { |
| if (!isValidNameStart(c)) |
| return Exception { InvalidCharacterError }; |
| nameStart = false; |
| } else { |
| if (!isValidNamePart(c)) |
| return Exception { InvalidCharacterError }; |
| } |
| } |
| |
| if (!sawColon) |
| return std::pair<AtomicString, AtomicString> { { }, { qualifiedName } }; |
| |
| if (!colonPosition || length - colonPosition <= 1) |
| return Exception { InvalidCharacterError }; |
| |
| return std::pair<AtomicString, AtomicString> { StringView { qualifiedName }.substring(0, colonPosition).toAtomicString(), StringView { qualifiedName }.substring(colonPosition + 1).toAtomicString() }; |
| } |
| |
| ExceptionOr<QualifiedName> Document::parseQualifiedName(const AtomicString& namespaceURI, const String& qualifiedName) |
| { |
| auto parseResult = parseQualifiedName(qualifiedName); |
| if (parseResult.hasException()) |
| return parseResult.releaseException(); |
| auto parsedPieces = parseResult.releaseReturnValue(); |
| return QualifiedName { parsedPieces.first, parsedPieces.second, namespaceURI }; |
| } |
| |
| void Document::setDecoder(RefPtr<TextResourceDecoder>&& decoder) |
| { |
| m_decoder = WTFMove(decoder); |
| } |
| |
| URL Document::completeURL(const String& url, const URL& baseURLOverride) const |
| { |
| // Always return a null URL when passed a null string. |
| // FIXME: Should we change the URL constructor to have this behavior? |
| // See also [CSS]StyleSheet::completeURL(const String&) |
| if (url.isNull()) |
| return URL(); |
| const URL& baseURL = ((baseURLOverride.isEmpty() || baseURLOverride == blankURL()) && parentDocument()) ? parentDocument()->baseURL() : baseURLOverride; |
| if (!m_decoder) |
| return URL(baseURL, url); |
| return URL(baseURL, url, m_decoder->encoding()); |
| } |
| |
| URL Document::completeURL(const String& url) const |
| { |
| return completeURL(url, m_baseURL); |
| } |
| |
| PAL::SessionID Document::sessionID() const |
| { |
| if (m_sessionID.isValid()) |
| return m_sessionID; |
| |
| if (auto* page = this->page()) |
| m_sessionID = page->sessionID(); |
| |
| return m_sessionID; |
| } |
| |
| void Document::setPageCacheState(PageCacheState state) |
| { |
| if (m_pageCacheState == state) |
| return; |
| |
| m_pageCacheState = state; |
| |
| FrameView* v = view(); |
| Page* page = this->page(); |
| |
| switch (state) { |
| case InPageCache: |
| if (v) { |
| // FIXME: There is some scrolling related work that needs to happen whenever a page goes into the |
| // page cache and similar work that needs to occur when it comes out. This is where we do the work |
| // that needs to happen when we enter, and the work that needs to happen when we exit is in |
| // HistoryController::restoreScrollPositionAndViewState(). It can't be here because this function is |
| // called too early on in the process of a page exiting the cache for that work to be possible in this |
| // function. It would be nice if there was more symmetry here. |
| // https://bugs.webkit.org/show_bug.cgi?id=98698 |
| v->cacheCurrentScrollPosition(); |
| if (page && m_frame->isMainFrame()) { |
| v->resetScrollbarsAndClearContentsSize(); |
| if (ScrollingCoordinator* scrollingCoordinator = page->scrollingCoordinator()) |
| scrollingCoordinator->clearStateTree(); |
| } |
| } |
| |
| #if ENABLE(POINTER_LOCK) |
| exitPointerLock(); |
| #endif |
| |
| styleScope().clearResolver(); |
| clearSelectorQueryCache(); |
| m_styleRecalcTimer.stop(); |
| |
| clearSharedObjectPool(); |
| break; |
| case NotInPageCache: |
| if (childNeedsStyleRecalc()) |
| scheduleStyleRecalc(); |
| break; |
| case AboutToEnterPageCache: |
| break; |
| } |
| } |
| |
| void Document::documentWillBecomeInactive() |
| { |
| if (renderView()) |
| renderView()->setIsInWindow(false); |
| } |
| |
| void Document::suspend(ActiveDOMObject::ReasonForSuspension reason) |
| { |
| if (m_isSuspended) |
| return; |
| |
| documentWillBecomeInactive(); |
| |
| for (auto* element : m_documentSuspensionCallbackElements) |
| element->prepareForDocumentSuspension(); |
| |
| #ifndef NDEBUG |
| // Clear the update flag to be able to check if the viewport arguments update |
| // is dispatched, after the document is restored from the page cache. |
| m_didDispatchViewportPropertiesChanged = false; |
| #endif |
| |
| ASSERT(page()); |
| page()->lockAllOverlayScrollbarsToHidden(true); |
| |
| if (RenderView* view = renderView()) { |
| if (view->usesCompositing()) |
| view->compositor().cancelCompositingLayerUpdate(); |
| } |
| |
| #if USE(LIBWEBRTC) |
| // FIXME: This should be moved to Modules/mediastream. |
| if (LibWebRTCProvider::webRTCAvailable()) { |
| if (auto* page = this->page()) |
| page->libWebRTCProvider().unregisterMDNSNames(identifier().toUInt64()); |
| } |
| #endif |
| |
| #if ENABLE(SERVICE_WORKER) |
| if (RuntimeEnabledFeatures::sharedFeatures().serviceWorkerEnabled() && reason == ActiveDOMObject::ReasonForSuspension::PageCache) { |
| ASSERT_WITH_MESSAGE(!activeServiceWorker(), "Documents with an active service worker should not go into PageCache in the first place"); |
| setServiceWorkerConnection(nullptr); |
| } |
| #endif |
| |
| suspendScheduledTasks(reason); |
| |
| ASSERT(m_frame); |
| m_frame->clearTimers(); |
| |
| m_visualUpdatesAllowed = false; |
| m_visualUpdatesSuppressionTimer.stop(); |
| |
| m_isSuspended = true; |
| } |
| |
| void Document::resume(ActiveDOMObject::ReasonForSuspension reason) |
| { |
| if (!m_isSuspended) |
| return; |
| |
| for (auto* element : copyToVector(m_documentSuspensionCallbackElements)) |
| element->resumeFromDocumentSuspension(); |
| |
| if (renderView()) |
| renderView()->setIsInWindow(true); |
| |
| ASSERT(page()); |
| page()->lockAllOverlayScrollbarsToHidden(false); |
| |
| ASSERT(m_frame); |
| m_frame->loader().client().dispatchDidBecomeFrameset(isFrameSet()); |
| |
| if (RuntimeEnabledFeatures::sharedFeatures().cssAnimationsAndCSSTransitionsBackedByWebAnimationsEnabled()) |
| timeline().resumeAnimations(); |
| else |
| m_frame->animation().resumeAnimationsForDocument(this); |
| |
| resumeScheduledTasks(reason); |
| |
| m_visualUpdatesAllowed = true; |
| |
| m_isSuspended = false; |
| |
| #if ENABLE(SERVICE_WORKER) |
| if (RuntimeEnabledFeatures::sharedFeatures().serviceWorkerEnabled() && reason == ActiveDOMObject::ReasonForSuspension::PageCache) { |
| ASSERT_WITH_MESSAGE(!activeServiceWorker(), "Documents with an active service worker should not go into PageCache in the first place"); |
| setServiceWorkerConnection(ServiceWorkerProvider::singleton().existingServiceWorkerConnectionForSession(sessionID())); |
| } |
| #endif |
| } |
| |
| void Document::registerForDocumentSuspensionCallbacks(Element* e) |
| { |
| m_documentSuspensionCallbackElements.add(e); |
| } |
| |
| void Document::unregisterForDocumentSuspensionCallbacks(Element* e) |
| { |
| m_documentSuspensionCallbackElements.remove(e); |
| } |
| |
| void Document::mediaVolumeDidChange() |
| { |
| for (auto* element : m_mediaVolumeCallbackElements) |
| element->mediaVolumeDidChange(); |
| } |
| |
| void Document::registerForMediaVolumeCallbacks(Element* e) |
| { |
| m_mediaVolumeCallbackElements.add(e); |
| } |
| |
| void Document::unregisterForMediaVolumeCallbacks(Element* e) |
| { |
| m_mediaVolumeCallbackElements.remove(e); |
| } |
| |
| bool Document::audioPlaybackRequiresUserGesture() const |
| { |
| if (DocumentLoader* loader = this->loader()) { |
| // If an audio playback policy was set during navigation, use it. If not, use the global settings. |
| AutoplayPolicy policy = loader->autoplayPolicy(); |
| if (policy != AutoplayPolicy::Default) |
| return policy == AutoplayPolicy::AllowWithoutSound || policy == AutoplayPolicy::Deny; |
| } |
| |
| return settings().audioPlaybackRequiresUserGesture(); |
| } |
| |
| bool Document::videoPlaybackRequiresUserGesture() const |
| { |
| if (DocumentLoader* loader = this->loader()) { |
| // If a video playback policy was set during navigation, use it. If not, use the global settings. |
| AutoplayPolicy policy = loader->autoplayPolicy(); |
| if (policy != AutoplayPolicy::Default) |
| return policy == AutoplayPolicy::Deny; |
| } |
| |
| return settings().videoPlaybackRequiresUserGesture(); |
| } |
| |
| void Document::storageBlockingStateDidChange() |
| { |
| securityOrigin().setStorageBlockingPolicy(settings().storageBlockingPolicy()); |
| } |
| |
| void Document::privateBrowsingStateDidChange() |
| { |
| m_sessionID = SessionID::emptySessionID(); |
| if (m_logger) |
| m_logger->setEnabled(this, sessionID().isAlwaysOnLoggingAllowed()); |
| |
| for (auto* element : m_privateBrowsingStateChangedElements) |
| element->privateBrowsingStateDidChange(); |
| |
| #if ENABLE(SERVICE_WORKER) |
| ASSERT(sessionID().isValid()); |
| if (RuntimeEnabledFeatures::sharedFeatures().serviceWorkerEnabled() && m_serviceWorkerConnection && sessionID().isValid()) |
| setServiceWorkerConnection(&ServiceWorkerProvider::singleton().serviceWorkerConnectionForSession(sessionID())); |
| #endif |
| } |
| |
| void Document::registerForPrivateBrowsingStateChangedCallbacks(Element* e) |
| { |
| m_privateBrowsingStateChangedElements.add(e); |
| } |
| |
| void Document::unregisterForPrivateBrowsingStateChangedCallbacks(Element* e) |
| { |
| m_privateBrowsingStateChangedElements.remove(e); |
| } |
| |
| #if ENABLE(VIDEO_TRACK) |
| |
| void Document::registerForCaptionPreferencesChangedCallbacks(Element* e) |
| { |
| if (page()) |
| page()->group().captionPreferences().setInterestedInCaptionPreferenceChanges(); |
| |
| m_captionPreferencesChangedElements.add(e); |
| } |
| |
| void Document::unregisterForCaptionPreferencesChangedCallbacks(Element* e) |
| { |
| m_captionPreferencesChangedElements.remove(e); |
| } |
| |
| void Document::captionPreferencesChanged() |
| { |
| for (auto* element : m_captionPreferencesChangedElements) |
| element->captionPreferencesChanged(); |
| } |
| |
| #endif |
| |
| #if ENABLE(MEDIA_CONTROLS_SCRIPT) |
| |
| void Document::registerForPageScaleFactorChangedCallbacks(HTMLMediaElement* element) |
| { |
| m_pageScaleFactorChangedElements.add(element); |
| } |
| |
| void Document::unregisterForPageScaleFactorChangedCallbacks(HTMLMediaElement* element) |
| { |
| m_pageScaleFactorChangedElements.remove(element); |
| } |
| |
| void Document::pageScaleFactorChangedAndStable() |
| { |
| for (HTMLMediaElement* mediaElement : m_pageScaleFactorChangedElements) |
| mediaElement->pageScaleFactorChanged(); |
| } |
| |
| void Document::registerForUserInterfaceLayoutDirectionChangedCallbacks(HTMLMediaElement& element) |
| { |
| m_userInterfaceLayoutDirectionChangedElements.add(&element); |
| } |
| |
| void Document::unregisterForUserInterfaceLayoutDirectionChangedCallbacks(HTMLMediaElement& element) |
| { |
| m_userInterfaceLayoutDirectionChangedElements.remove(&element); |
| } |
| |
| void Document::userInterfaceLayoutDirectionChanged() |
| { |
| for (auto* mediaElement : m_userInterfaceLayoutDirectionChangedElements) |
| mediaElement->userInterfaceLayoutDirectionChanged(); |
| } |
| |
| #endif |
| |
| void Document::setShouldCreateRenderers(bool f) |
| { |
| m_createRenderers = f; |
| } |
| |
| bool Document::shouldCreateRenderers() |
| { |
| return m_createRenderers; |
| } |
| |
| // Support for Javascript execCommand, and related methods |
| |
| static Editor::Command command(Document* document, const String& commandName, bool userInterface = false) |
| { |
| RefPtr<Frame> frame = document->frame(); |
| if (!frame || frame->document() != document) |
| return Editor::Command(); |
| |
| document->updateStyleIfNeeded(); |
| |
| return frame->editor().command(commandName, |
| userInterface ? CommandFromDOMWithUserInterface : CommandFromDOM); |
| } |
| |
| bool Document::execCommand(const String& commandName, bool userInterface, const String& value) |
| { |
| EventQueueScope eventQueueScope; |
| return command(this, commandName, userInterface).execute(value); |
| } |
| |
| bool Document::queryCommandEnabled(const String& commandName) |
| { |
| return command(this, commandName).isEnabled(); |
| } |
| |
| bool Document::queryCommandIndeterm(const String& commandName) |
| { |
| return command(this, commandName).state() == MixedTriState; |
| } |
| |
| bool Document::queryCommandState(const String& commandName) |
| { |
| return command(this, commandName).state() == TrueTriState; |
| } |
| |
| bool Document::queryCommandSupported(const String& commandName) |
| { |
| return command(this, commandName).isSupported(); |
| } |
| |
| String Document::queryCommandValue(const String& commandName) |
| { |
| return command(this, commandName).value(); |
| } |
| |
| void Document::pushCurrentScript(HTMLScriptElement* newCurrentScript) |
| { |
| m_currentScriptStack.append(newCurrentScript); |
| } |
| |
| void Document::popCurrentScript() |
| { |
| ASSERT(!m_currentScriptStack.isEmpty()); |
| m_currentScriptStack.removeLast(); |
| } |
| |
| #if ENABLE(XSLT) |
| |
| void Document::scheduleToApplyXSLTransforms() |
| { |
| m_hasPendingXSLTransforms = true; |
| if (!m_applyPendingXSLTransformsTimer.isActive()) |
| m_applyPendingXSLTransformsTimer.startOneShot(0_s); |
| } |
| |
| void Document::applyPendingXSLTransformsNowIfScheduled() |
| { |
| if (!m_hasPendingXSLTransforms) |
| return; |
| m_applyPendingXSLTransformsTimer.stop(); |
| applyPendingXSLTransformsTimerFired(); |
| } |
| |
| void Document::applyPendingXSLTransformsTimerFired() |
| { |
| if (parsing()) |
| return; |
| |
| m_hasPendingXSLTransforms = false; |
| ASSERT_WITH_SECURITY_IMPLICATION(ScriptDisallowedScope::InMainThread::isScriptAllowed()); |
| for (auto& processingInstruction : styleScope().collectXSLTransforms()) { |
| ASSERT(processingInstruction->isXSL()); |
| |
| // Don't apply XSL transforms to already transformed documents -- <rdar://problem/4132806> |
| if (transformSourceDocument() || !processingInstruction->sheet()) |
| return; |
| |
| auto processor = XSLTProcessor::create(); |
| processor->setXSLStyleSheet(downcast<XSLStyleSheet>(processingInstruction->sheet())); |
| String resultMIMEType; |
| String newSource; |
| String resultEncoding; |
| if (!processor->transformToString(*this, resultMIMEType, newSource, resultEncoding)) |
| continue; |
| // FIXME: If the transform failed we should probably report an error (like Mozilla does). |
| processor->createDocumentFromSource(newSource, resultEncoding, resultMIMEType, this, frame()); |
| } |
| } |
| |
| void Document::setTransformSource(std::unique_ptr<TransformSource> source) |
| { |
| m_transformSource = WTFMove(source); |
| } |
| |
| #endif |
| |
| void Document::setDesignMode(InheritedBool value) |
| { |
| m_designMode = value; |
| for (Frame* frame = m_frame; frame && frame->document(); frame = frame->tree().traverseNext(m_frame)) |
| frame->document()->scheduleForcedStyleRecalc(); |
| } |
| |
| String Document::designMode() const |
| { |
| return inDesignMode() ? ASCIILiteral("on") : ASCIILiteral("off"); |
| } |
| |
| void Document::setDesignMode(const String& value) |
| { |
| InheritedBool mode; |
| if (equalLettersIgnoringASCIICase(value, "on")) |
| mode = on; |
| else if (equalLettersIgnoringASCIICase(value, "off")) |
| mode = off; |
| else |
| mode = inherit; |
| setDesignMode(mode); |
| } |
| |
| auto Document::getDesignMode() const -> InheritedBool |
| { |
| return m_designMode; |
| } |
| |
| bool Document::inDesignMode() const |
| { |
| for (const Document* d = this; d; d = d->parentDocument()) { |
| if (d->m_designMode != inherit) |
| return d->m_designMode; |
| } |
| return false; |
| } |
| |
| Document* Document::parentDocument() const |
| { |
| if (!m_frame) |
| return nullptr; |
| Frame* parent = m_frame->tree().parent(); |
| if (!parent) |
| return nullptr; |
| return parent->document(); |
| } |
| |
| Document& Document::topDocument() const |
| { |
| // FIXME: This special-casing avoids incorrectly determined top documents during the process |
| // of AXObjectCache teardown or notification posting for cached or being-destroyed documents. |
| if (pageCacheState() == NotInPageCache && !m_renderTreeBeingDestroyed) { |
| if (!m_frame) |
| return const_cast<Document&>(*this); |
| // This should always be non-null. |
| Document* mainFrameDocument = m_frame->mainFrame().document(); |
| return mainFrameDocument ? *mainFrameDocument : const_cast<Document&>(*this); |
| } |
| |
| Document* document = const_cast<Document*>(this); |
| while (HTMLFrameOwnerElement* element = document->ownerElement()) |
| document = &element->document(); |
| return *document; |
| } |
| |
| ExceptionOr<Ref<Attr>> Document::createAttribute(const String& name) |
| { |
| return createAttributeNS({ }, isHTMLDocument() ? name.convertToASCIILowercase() : name, true); |
| } |
| |
| ExceptionOr<Ref<Attr>> Document::createAttributeNS(const AtomicString& namespaceURI, const String& qualifiedName, bool shouldIgnoreNamespaceChecks) |
| { |
| auto parseResult = parseQualifiedName(namespaceURI, qualifiedName); |
| if (parseResult.hasException()) |
| return parseResult.releaseException(); |
| QualifiedName parsedName { parseResult.releaseReturnValue() }; |
| if (!shouldIgnoreNamespaceChecks && !hasValidNamespaceForAttributes(parsedName)) |
| return Exception { NamespaceError }; |
| return Attr::create(*this, parsedName, emptyString()); |
| } |
| |
| const SVGDocumentExtensions* Document::svgExtensions() |
| { |
| return m_svgExtensions.get(); |
| } |
| |
| SVGDocumentExtensions& Document::accessSVGExtensions() |
| { |
| if (!m_svgExtensions) |
| m_svgExtensions = std::make_unique<SVGDocumentExtensions>(*this); |
| return *m_svgExtensions; |
| } |
| |
| void Document::addSVGUseElement(SVGUseElement& element) |
| { |
| auto result = m_svgUseElements.add(&element); |
| RELEASE_ASSERT_WITH_SECURITY_IMPLICATION(result.isNewEntry); |
| } |
| |
| void Document::removeSVGUseElement(SVGUseElement& element) |
| { |
| bool didRemove = m_svgUseElements.remove(&element); |
| RELEASE_ASSERT_WITH_SECURITY_IMPLICATION(didRemove); |
| } |
| |
| bool Document::hasSVGRootNode() const |
| { |
| return documentElement() && documentElement()->hasTagName(SVGNames::svgTag); |
| } |
| |
| template <CollectionType collectionType> |
| Ref<HTMLCollection> Document::ensureCachedCollection() |
| { |
| return ensureRareData().ensureNodeLists().addCachedCollection<GenericCachedHTMLCollection<CollectionTypeTraits<collectionType>::traversalType>>(*this, collectionType); |
| } |
| |
| Ref<HTMLCollection> Document::images() |
| { |
| return ensureCachedCollection<DocImages>(); |
| } |
| |
| Ref<HTMLCollection> Document::applets() |
| { |
| return ensureCachedCollection<DocApplets>(); |
| } |
| |
| Ref<HTMLCollection> Document::embeds() |
| { |
| return ensureCachedCollection<DocEmbeds>(); |
| } |
| |
| Ref<HTMLCollection> Document::plugins() |
| { |
| // This is an alias for embeds() required for the JS DOM bindings. |
| return ensureCachedCollection<DocEmbeds>(); |
| } |
| |
| Ref<HTMLCollection> Document::scripts() |
| { |
| return ensureCachedCollection<DocScripts>(); |
| } |
| |
| Ref<HTMLCollection> Document::links() |
| { |
| return ensureCachedCollection<DocLinks>(); |
| } |
| |
| Ref<HTMLCollection> Document::forms() |
| { |
| return ensureCachedCollection<DocForms>(); |
| } |
| |
| Ref<HTMLCollection> Document::anchors() |
| { |
| return ensureCachedCollection<DocAnchors>(); |
| } |
| |
| Ref<HTMLCollection> Document::all() |
| { |
| return ensureRareData().ensureNodeLists().addCachedCollection<HTMLAllCollection>(*this, DocAll); |
| } |
| |
| Ref<HTMLCollection> Document::allFilteredByName(const AtomicString& name) |
| { |
| return ensureRareData().ensureNodeLists().addCachedCollection<HTMLAllNamedSubCollection>(*this, DocumentAllNamedItems, name); |
| } |
| |
| Ref<HTMLCollection> Document::windowNamedItems(const AtomicString& name) |
| { |
| return ensureRareData().ensureNodeLists().addCachedCollection<WindowNameCollection>(*this, WindowNamedItems, name); |
| } |
| |
| Ref<HTMLCollection> Document::documentNamedItems(const AtomicString& name) |
| { |
| return ensureRareData().ensureNodeLists().addCachedCollection<DocumentNameCollection>(*this, DocumentNamedItems, name); |
| } |
| |
| void Document::finishedParsing() |
| { |
| ASSERT(!scriptableDocumentParser() || !m_parser->isParsing()); |
| ASSERT(!scriptableDocumentParser() || m_readyState != Loading); |
| setParsing(false); |
| |
| Ref<Document> protectedThis(*this); |
| |
| if (!m_documentTiming.domContentLoadedEventStart) |
| m_documentTiming.domContentLoadedEventStart = MonotonicTime::now(); |
| |
| dispatchEvent(Event::create(eventNames().DOMContentLoadedEvent, true, false)); |
| |
| if (!m_documentTiming.domContentLoadedEventEnd) |
| m_documentTiming.domContentLoadedEventEnd = MonotonicTime::now(); |
| |
| if (RefPtr<Frame> frame = this->frame()) { |
| #if ENABLE(XSLT) |
| applyPendingXSLTransformsNowIfScheduled(); |
| #endif |
| |
| // FrameLoader::finishedParsing() might end up calling Document::implicitClose() if all |
| // resource loads are complete. HTMLObjectElements can start loading their resources from |
| // post attach callbacks triggered by resolveStyle(). This means if we parse out an <object> |
| // tag and then reach the end of the document without updating styles, we might not have yet |
| // started the resource load and might fire the window load event too early. To avoid this |
| // we force the styles to be up to date before calling FrameLoader::finishedParsing(). |
| // See https://bugs.webkit.org/show_bug.cgi?id=36864 starting around comment 35. |
| updateStyleIfNeeded(); |
| |
| frame->loader().finishedParsing(); |
| InspectorInstrumentation::domContentLoadedEventFired(*frame); |
| } |
| |
| // Schedule dropping of the DocumentSharedObjectPool. We keep it alive for a while after parsing finishes |
| // so that dynamically inserted content can also benefit from sharing optimizations. |
| // Note that we don't refresh the timer on pool access since that could lead to huge caches being kept |
| // alive indefinitely by something innocuous like JS setting .innerHTML repeatedly on a timer. |
| static const Seconds timeToKeepSharedObjectPoolAliveAfterParsingFinished { 10_s }; |
| m_sharedObjectPoolClearTimer.startOneShot(timeToKeepSharedObjectPoolAliveAfterParsingFinished); |
| |
| // Parser should have picked up all speculative preloads by now |
| m_cachedResourceLoader->clearPreloads(CachedResourceLoader::ClearPreloadsMode::ClearSpeculativePreloads); |
| } |
| |
| void Document::clearSharedObjectPool() |
| { |
| m_sharedObjectPool = nullptr; |
| m_sharedObjectPoolClearTimer.stop(); |
| } |
| |
| #if ENABLE(TELEPHONE_NUMBER_DETECTION) |
| |
| // FIXME: Find a better place for this code. |
| |
| bool Document::isTelephoneNumberParsingEnabled() const |
| { |
| return settings().telephoneNumberParsingEnabled() && m_isTelephoneNumberParsingAllowed; |
| } |
| |
| void Document::setIsTelephoneNumberParsingAllowed(bool isTelephoneNumberParsingAllowed) |
| { |
| m_isTelephoneNumberParsingAllowed = isTelephoneNumberParsingAllowed; |
| } |
| |
| bool Document::isTelephoneNumberParsingAllowed() const |
| { |
| return m_isTelephoneNumberParsingAllowed; |
| } |
| |
| #endif |
| |
| String Document::originIdentifierForPasteboard() |
| { |
| auto origin = securityOrigin().toString(); |
| if (origin != "null") |
| return origin; |
| if (!m_uniqueIdentifier) |
| m_uniqueIdentifier = "null:" + createCanonicalUUIDString(); |
| return m_uniqueIdentifier; |
| } |
| |
| ExceptionOr<Ref<XPathExpression>> Document::createExpression(const String& expression, RefPtr<XPathNSResolver>&& resolver) |
| { |
| if (!m_xpathEvaluator) |
| m_xpathEvaluator = XPathEvaluator::create(); |
| return m_xpathEvaluator->createExpression(expression, WTFMove(resolver)); |
| } |
| |
| Ref<XPathNSResolver> Document::createNSResolver(Node* nodeResolver) |
| { |
| if (!m_xpathEvaluator) |
| m_xpathEvaluator = XPathEvaluator::create(); |
| return m_xpathEvaluator->createNSResolver(nodeResolver); |
| } |
| |
| ExceptionOr<Ref<XPathResult>> Document::evaluate(const String& expression, Node* contextNode, RefPtr<XPathNSResolver>&& resolver, unsigned short type, XPathResult* result) |
| { |
| if (!m_xpathEvaluator) |
| m_xpathEvaluator = XPathEvaluator::create(); |
| return m_xpathEvaluator->evaluate(expression, contextNode, WTFMove(resolver), type, result); |
| } |
| |
| void Document::initSecurityContext() |
| { |
| if (haveInitializedSecurityOrigin()) { |
| ASSERT(SecurityContext::securityOrigin()); |
| return; |
| } |
| |
| if (!m_frame) { |
| // No source for a security context. |
| // This can occur via document.implementation.createDocument(). |
| setCookieURL(URL(ParsedURLString, emptyString())); |
| setSecurityOriginPolicy(SecurityOriginPolicy::create(SecurityOrigin::createUnique())); |
| setContentSecurityPolicy(std::make_unique<ContentSecurityPolicy>(*this)); |
| return; |
| } |
| |
| // In the common case, create the security context from the currently |
| // loading URL with a fresh content security policy. |
| setCookieURL(m_url); |
| enforceSandboxFlags(m_frame->loader().effectiveSandboxFlags()); |
| setReferrerPolicy(m_frame->loader().effectiveReferrerPolicy()); |
| |
| if (shouldEnforceContentDispositionAttachmentSandbox()) |
| applyContentDispositionAttachmentSandbox(); |
| |
| bool isSecurityOriginUnique = isSandboxed(SandboxOrigin); |
| if (!isSecurityOriginUnique) { |
| auto* loader = m_frame->loader().documentLoader(); |
| isSecurityOriginUnique = loader && loader->response().tainting() == ResourceResponse::Tainting::Opaque; |
| } |
| |
| setSecurityOriginPolicy(SecurityOriginPolicy::create(isSecurityOriginUnique ? SecurityOrigin::createUnique() : SecurityOrigin::create(m_url))); |
| setContentSecurityPolicy(std::make_unique<ContentSecurityPolicy>(*this)); |
| |
| String overrideContentSecurityPolicy = m_frame->loader().client().overrideContentSecurityPolicy(); |
| if (!overrideContentSecurityPolicy.isNull()) |
| contentSecurityPolicy()->didReceiveHeader(overrideContentSecurityPolicy, ContentSecurityPolicyHeaderType::Enforce, ContentSecurityPolicy::PolicyFrom::API); |
| |
| #if USE(QUICK_LOOK) |
| if (shouldEnforceQuickLookSandbox()) |
| applyQuickLookSandbox(); |
| #endif |
| |
| if (shouldEnforceHTTP09Sandbox()) { |
| String message = makeString("Sandboxing '", m_url.stringCenterEllipsizedToLength(), "' because it is using HTTP/0.9."); |
| addConsoleMessage(MessageSource::Security, MessageLevel::Error, message); |
| enforceSandboxFlags(SandboxScripts | SandboxPlugins); |
| } |
| |
| if (settings().needsStorageAccessFromFileURLsQuirk()) |
| securityOrigin().grantStorageAccessFromFileURLsQuirk(); |
| if (!settings().webSecurityEnabled()) { |
| // Web security is turned off. We should let this document access every other document. This is used primary by testing |
| // harnesses for web sites. |
| securityOrigin().grantUniversalAccess(); |
| } else if (securityOrigin().isLocal()) { |
| if (settings().allowUniversalAccessFromFileURLs() || m_frame->loader().client().shouldForceUniversalAccessFromLocalURL(m_url)) { |
| // Some clients want local URLs to have universal access, but that setting is dangerous for other clients. |
| securityOrigin().grantUniversalAccess(); |
| } else if (!settings().allowFileAccessFromFileURLs()) { |
| // Some clients want local URLs to have even tighter restrictions by default, and not be able to access other local files. |
| // FIXME 81578: The naming of this is confusing. Files with restricted access to other local files |
| // still can have other privileges that can be remembered, thereby not making them unique origins. |
| securityOrigin().setEnforcesFilePathSeparation(); |
| } |
| } |
| securityOrigin().setStorageBlockingPolicy(settings().storageBlockingPolicy()); |
| |
| Document* parentDocument = ownerElement() ? &ownerElement()->document() : nullptr; |
| if (parentDocument && m_frame->loader().shouldTreatURLAsSrcdocDocument(url())) { |
| m_isSrcdocDocument = true; |
| setBaseURLOverride(parentDocument->baseURL()); |
| } |
| if (parentDocument) |
| setStrictMixedContentMode(parentDocument->isStrictMixedContentMode()); |
| |
| if (!SecurityPolicy::shouldInheritSecurityOriginFromOwner(m_url)) |
| return; |
| |
| // If we do not obtain a meaningful origin from the URL, then we try to |
| // find one via the frame hierarchy. |
| Frame* parentFrame = m_frame->tree().parent(); |
| Frame* openerFrame = m_frame->loader().opener(); |
| |
| Frame* ownerFrame = parentFrame; |
| if (!ownerFrame) |
| ownerFrame = openerFrame; |
| |
| if (!ownerFrame) { |
| didFailToInitializeSecurityOrigin(); |
| return; |
| } |
| |
| Document* openerDocument = openerFrame ? openerFrame->document() : nullptr; |
| |
| // Per <http://www.w3.org/TR/upgrade-insecure-requests/>, new browsing contexts must inherit from an |
| // ongoing set of upgraded requests. When opening a new browsing context, we need to capture its |
| // existing upgrade request. Nested browsing contexts are handled during DocumentWriter::begin. |
| if (openerDocument) |
| contentSecurityPolicy()->inheritInsecureNavigationRequestsToUpgradeFromOpener(*openerDocument->contentSecurityPolicy()); |
| |
| if (isSandboxed(SandboxOrigin)) { |
| // If we're supposed to inherit our security origin from our owner, |
| // but we're also sandboxed, the only thing we inherit is the ability |
| // to load local resources. This lets about:blank iframes in file:// |
| // URL documents load images and other resources from the file system. |
| if (ownerFrame->document()->securityOrigin().canLoadLocalResources()) |
| securityOrigin().grantLoadLocalResources(); |
| return; |
| } |
| |
| setCookieURL(ownerFrame->document()->cookieURL()); |
| // We alias the SecurityOrigins to match Firefox, see Bug 15313 |
| // https://bugs.webkit.org/show_bug.cgi?id=15313 |
| setSecurityOriginPolicy(ownerFrame->document()->securityOriginPolicy()); |
| } |
| |
| bool Document::shouldInheritContentSecurityPolicyFromOwner() const |
| { |
| ASSERT(m_frame); |
| if (SecurityPolicy::shouldInheritSecurityOriginFromOwner(m_url)) |
| return true; |
| if (!isPluginDocument()) |
| return false; |
| if (m_frame->tree().parent()) |
| return true; |
| Frame* openerFrame = m_frame->loader().opener(); |
| if (!openerFrame) |
| return false; |
| return openerFrame->document()->securityOrigin().canAccess(securityOrigin()); |
| } |
| |
| void Document::initContentSecurityPolicy() |
| { |
| // 1. Inherit Upgrade Insecure Requests |
| Frame* parentFrame = m_frame->tree().parent(); |
| if (parentFrame) |
| contentSecurityPolicy()->copyUpgradeInsecureRequestStateFrom(*parentFrame->document()->contentSecurityPolicy()); |
| |
| // 2. Inherit Content Security Policy |
| if (!shouldInheritContentSecurityPolicyFromOwner()) |
| return; |
| Frame* ownerFrame = parentFrame; |
| if (!ownerFrame) |
| ownerFrame = m_frame->loader().opener(); |
| if (!ownerFrame) |
| return; |
| contentSecurityPolicy()->copyStateFrom(ownerFrame->document()->contentSecurityPolicy()); // Does not copy Upgrade Insecure Requests state. |
| } |
| |
| bool Document::isContextThread() const |
| { |
| return isMainThread(); |
| } |
| |
| bool Document::isSecureContext() const |
| { |
| if (!m_frame) |
| return true; |
| if (!securityOrigin().isPotentiallyTrustworthy()) |
| return false; |
| for (Frame* frame = m_frame->tree().parent(); frame; frame = frame->tree().parent()) { |
| if (!frame->document()->securityOrigin().isPotentiallyTrustworthy()) |
| return false; |
| } |
| return true; |
| } |
| |
| void Document::updateURLForPushOrReplaceState(const URL& url) |
| { |
| Frame* f = frame(); |
| if (!f) |
| return; |
| |
| setURL(url); |
| f->loader().setOutgoingReferrer(url); |
| |
| if (DocumentLoader* documentLoader = loader()) |
| documentLoader->replaceRequestURLForSameDocumentNavigation(url); |
| } |
| |
| void Document::statePopped(Ref<SerializedScriptValue>&& stateObject) |
| { |
| if (!frame()) |
| return; |
| |
| // Per step 11 of section 6.5.9 (history traversal) of the HTML5 spec, we |
| // defer firing of popstate until we're in the complete state. |
| if (m_readyState == Complete) |
| dispatchPopstateEvent(WTFMove(stateObject)); |
| else |
| m_pendingStateObject = WTFMove(stateObject); |
| } |
| |
| void Document::attachRange(Range* range) |
| { |
| ASSERT(!m_ranges.contains(range)); |
| m_ranges.add(range); |
| } |
| |
| void Document::detachRange(Range* range) |
| { |
| // We don't ASSERT m_ranges.contains(range) to allow us to call this |
| // unconditionally to fix: https://bugs.webkit.org/show_bug.cgi?id=26044 |
| m_ranges.remove(range); |
| } |
| |
| std::optional<RenderingContext> Document::getCSSCanvasContext(const String& type, const String& name, int width, int height) |
| { |
| HTMLCanvasElement* element = getCSSCanvasElement(name); |
| if (!element) |
| return std::nullopt; |
| element->setSize({ width, height }); |
| auto context = element->getContext(type); |
| if (!context) |
| return std::nullopt; |
| |
| #if ENABLE(WEBGL) |
| if (is<WebGLRenderingContext>(*context)) |
| return RenderingContext { RefPtr<WebGLRenderingContext> { &downcast<WebGLRenderingContext>(*context) } }; |
| #endif |
| #if ENABLE(WEBGL2) |
| if (is<WebGL2RenderingContext>(*context)) |
| return RenderingContext { RefPtr<WebGL2RenderingContext> { &downcast<WebGL2RenderingContext>(*context) } }; |
| #endif |
| #if ENABLE(WEBGPU) |
| if (is<WebGPURenderingContext>(*context)) |
| return RenderingContext { RefPtr<WebGPURenderingContext> { &downcast<WebGPURenderingContext>(*context) } }; |
| #endif |
| |
| return RenderingContext { RefPtr<CanvasRenderingContext2D> { &downcast<CanvasRenderingContext2D>(*context) } }; |
| } |
| |
| HTMLCanvasElement* Document::getCSSCanvasElement(const String& name) |
| { |
| RefPtr<HTMLCanvasElement>& element = m_cssCanvasElements.add(name, nullptr).iterator->value; |
| if (!element) |
| element = HTMLCanvasElement::create(*this); |
| return element.get(); |
| } |
| |
| String Document::nameForCSSCanvasElement(const HTMLCanvasElement& canvasElement) const |
| { |
| for (const auto& entry : m_cssCanvasElements) { |
| if (entry.value.get() == &canvasElement) |
| return entry.key; |
| } |
| return String(); |
| } |
| |
| #if ENABLE(TEXT_AUTOSIZING) |
| TextAutoSizing& Document::textAutoSizing() |
| { |
| if (!m_textAutoSizing) |
| m_textAutoSizing = std::make_unique<TextAutoSizing>(); |
| return *m_textAutoSizing; |
| } |
| #endif // ENABLE(TEXT_AUTOSIZING) |
| |
| void Document::initDNSPrefetch() |
| { |
| m_haveExplicitlyDisabledDNSPrefetch = false; |
| m_isDNSPrefetchEnabled = settings().dnsPrefetchingEnabled() && securityOrigin().protocol() == "http"; |
| |
| // Inherit DNS prefetch opt-out from parent frame |
| if (Document* parent = parentDocument()) { |
| if (!parent->isDNSPrefetchEnabled()) |
| m_isDNSPrefetchEnabled = false; |
| } |
| } |
| |
| void Document::parseDNSPrefetchControlHeader(const String& dnsPrefetchControl) |
| { |
| if (!settings().dnsPrefetchingEnabled()) |
| return; |
| |
| if (equalLettersIgnoringASCIICase(dnsPrefetchControl, "on") && !m_haveExplicitlyDisabledDNSPrefetch) { |
| m_isDNSPrefetchEnabled = true; |
| return; |
| } |
| |
| m_isDNSPrefetchEnabled = false; |
| m_haveExplicitlyDisabledDNSPrefetch = true; |
| } |
| |
| void Document::addConsoleMessage(std::unique_ptr<Inspector::ConsoleMessage>&& consoleMessage) |
| { |
| if (!isContextThread()) { |
| postTask(AddConsoleMessageTask(WTFMove(consoleMessage))); |
| return; |
| } |
| |
| if (Page* page = this->page()) |
| page->console().addMessage(WTFMove(consoleMessage)); |
| } |
| |
| void Document::addConsoleMessage(MessageSource source, MessageLevel level, const String& message, unsigned long requestIdentifier) |
| { |
| if (!isContextThread()) { |
| postTask(AddConsoleMessageTask(source, level, message)); |
| return; |
| } |
| |
| if (Page* page = this->page()) |
| page->console().addMessage(source, level, message, requestIdentifier, this); |
| |
| if (m_consoleMessageListener) |
| m_consoleMessageListener->scheduleCallback(*this, message); |
| } |
| |
| void Document::addMessage(MessageSource source, MessageLevel level, const String& message, const String& sourceURL, unsigned lineNumber, unsigned columnNumber, RefPtr<Inspector::ScriptCallStack>&& callStack, JSC::ExecState* state, unsigned long requestIdentifier) |
| { |
| if (!isContextThread()) { |
| postTask(AddConsoleMessageTask(source, level, message)); |
| return; |
| } |
| |
| if (Page* page = this->page()) |
| page->console().addMessage(source, level, message, sourceURL, lineNumber, columnNumber, WTFMove(callStack), state, requestIdentifier); |
| } |
| |
| void Document::postTask(Task&& task) |
| { |
| callOnMainThread([documentReference = m_weakFactory.createWeakPtr(*this), task = WTFMove(task)]() mutable { |
| ASSERT(isMainThread()); |
| |
| Document* document = documentReference.get(); |
| if (!document) |
| return; |
| |
| Page* page = document->page(); |
| if ((page && page->defersLoading() && document->activeDOMObjectsAreSuspended()) || !document->m_pendingTasks.isEmpty()) |
| document->m_pendingTasks.append(WTFMove(task)); |
| else |
| task.performTask(*document); |
| }); |
| } |
| |
| void Document::pendingTasksTimerFired() |
| { |
| Vector<Task> pendingTasks = WTFMove(m_pendingTasks); |
| for (auto& task : pendingTasks) |
| task.performTask(*this); |
| } |
| |
| void Document::suspendScheduledTasks(ActiveDOMObject::ReasonForSuspension reason) |
| { |
| if (m_scheduledTasksAreSuspended) { |
| // A page may subsequently suspend DOM objects, say as part of handling a scroll or zoom gesture, after the |
| // embedding client requested the page be suspended. We ignore such requests so long as the embedding client |
| // requested the suspension first. See <rdar://problem/13754896> for more details. |
| ASSERT(reasonForSuspendingActiveDOMObjects() == ActiveDOMObject::PageWillBeSuspended); |
| return; |
| } |
| |
| suspendScriptedAnimationControllerCallbacks(); |
| suspendActiveDOMObjects(reason); |
| scriptRunner()->suspend(); |
| m_pendingTasksTimer.stop(); |
| |
| #if ENABLE(XSLT) |
| m_applyPendingXSLTransformsTimer.stop(); |
| #endif |
| |
| // Deferring loading and suspending parser is necessary when we need to prevent re-entrant JavaScript execution |
| // (e.g. while displaying an alert). |
| // It is not currently possible to suspend parser unless loading is deferred, because new data arriving from network |
| // will trigger parsing, and leave the scheduler in an inconsistent state where it doesn't know whether it's suspended or not. |
| if (reason == ActiveDOMObject::WillDeferLoading && m_parser) |
| m_parser->suspendScheduledTasks(); |
| |
| m_scheduledTasksAreSuspended = true; |
| } |
| |
| void Document::resumeScheduledTasks(ActiveDOMObject::ReasonForSuspension reason) |
| { |
| if (reasonForSuspendingActiveDOMObjects() != reason) |
| return; |
| |
| ASSERT(m_scheduledTasksAreSuspended); |
| |
| if (reason == ActiveDOMObject::WillDeferLoading && m_parser) |
| m_parser->resumeScheduledTasks(); |
| |
| #if ENABLE(XSLT) |
| if (m_hasPendingXSLTransforms) |
| m_applyPendingXSLTransformsTimer.startOneShot(0_s); |
| #endif |
| |
| if (!m_pendingTasks.isEmpty()) |
| m_pendingTasksTimer.startOneShot(0_s); |
| scriptRunner()->resume(); |
| resumeActiveDOMObjects(reason); |
| resumeScriptedAnimationControllerCallbacks(); |
| |
| m_scheduledTasksAreSuspended = false; |
| } |
| |
| void Document::suspendScriptedAnimationControllerCallbacks() |
| { |
| if (m_scriptedAnimationController) |
| m_scriptedAnimationController->suspend(); |
| } |
| |
| void Document::resumeScriptedAnimationControllerCallbacks() |
| { |
| if (m_scriptedAnimationController) |
| m_scriptedAnimationController->resume(); |
| } |
| |
| void Document::windowScreenDidChange(PlatformDisplayID displayID) |
| { |
| if (m_scriptedAnimationController) |
| m_scriptedAnimationController->windowScreenDidChange(displayID); |
| |
| if (m_timeline) |
| m_timeline->windowScreenDidChange(displayID); |
| |
| if (RenderView* view = renderView()) { |
| if (view->usesCompositing()) |
| view->compositor().windowScreenDidChange(displayID); |
| } |
| } |
| |
| String Document::displayStringModifiedByEncoding(const String& string) const |
| { |
| if (!m_decoder) |
| return string; |
| return String { string }.replace('\\', m_decoder->encoding().backslashAsCurrencySymbol()); |
| } |
| |
| void Document::dispatchPageshowEvent(PageshowEventPersistence persisted) |
| { |
| // FIXME: https://bugs.webkit.org/show_bug.cgi?id=36334 Pageshow event needs to fire asynchronously. |
| dispatchWindowEvent(PageTransitionEvent::create(eventNames().pageshowEvent, persisted), this); |
| } |
| |
| void Document::enqueueHashchangeEvent(const String& oldURL, const String& newURL) |
| { |
| enqueueWindowEvent(HashChangeEvent::create(oldURL, newURL)); |
| } |
| |
| void Document::dispatchPopstateEvent(RefPtr<SerializedScriptValue>&& stateObject) |
| { |
| dispatchWindowEvent(PopStateEvent::create(WTFMove(stateObject), m_domWindow ? m_domWindow->history() : nullptr)); |
| } |
| |
| void Document::addMediaCanStartListener(MediaCanStartListener* listener) |
| { |
| ASSERT(!m_mediaCanStartListeners.contains(listener)); |
| m_mediaCanStartListeners.add(listener); |
| } |
| |
| void Document::removeMediaCanStartListener(MediaCanStartListener* listener) |
| { |
| ASSERT(m_mediaCanStartListeners.contains(listener)); |
| m_mediaCanStartListeners.remove(listener); |
| } |
| |
| MediaCanStartListener* Document::takeAnyMediaCanStartListener() |
| { |
| return m_mediaCanStartListeners.takeAny(); |
| } |
| |
| #if ENABLE(DEVICE_ORIENTATION) && PLATFORM(IOS) |
| |
| DeviceMotionController* Document::deviceMotionController() const |
| { |
| return m_deviceMotionController.get(); |
| } |
| |
| DeviceOrientationController* Document::deviceOrientationController() const |
| { |
| return m_deviceOrientationController.get(); |
| } |
| |
| #endif |
| |
| #if ENABLE(FULLSCREEN_API) |
| |
| bool Document::fullScreenIsAllowedForElement(Element* element) const |
| { |
| ASSERT(element); |
| return isAttributeOnAllOwners(allowfullscreenAttr, webkitallowfullscreenAttr, element->document().ownerElement()); |
| } |
| |
| void Document::requestFullScreenForElement(Element* element, FullScreenCheckType checkType) |
| { |
| do { |
| if (!element) |
| element = documentElement(); |
| |
| // 1. If any of the following conditions are true, terminate these steps and queue a task to fire |
| // an event named fullscreenerror with its bubbles attribute set to true on the context object's |
| // node document: |
| |
| // The context object is not in a document. |
| if (!element->isConnected()) |
| break; |
| |
| // The context object's node document, or an ancestor browsing context's document does not have |
| // the fullscreen enabled flag set. |
| if (checkType == EnforceIFrameAllowFullScreenRequirement && !fullScreenIsAllowedForElement(element)) |
| break; |
| |
| // The context object's node document fullscreen element stack is not empty and its top element |
| // is not an ancestor of the context object. |
| if (!m_fullScreenElementStack.isEmpty() && !m_fullScreenElementStack.last()->contains(element)) |
| break; |
| |
| // A descendant browsing context's document has a non-empty fullscreen element stack. |
| bool descendentHasNonEmptyStack = false; |
| for (Frame* descendant = frame() ? frame()->tree().traverseNext() : nullptr; descendant; descendant = descendant->tree().traverseNext()) { |
| if (descendant->document()->webkitFullscreenElement()) { |
| descendentHasNonEmptyStack = true; |
| break; |
| } |
| } |
| if (descendentHasNonEmptyStack) |
| break; |
| |
| // This algorithm is not allowed to show a pop-up: |
| // An algorithm is allowed to show a pop-up if, in the task in which the algorithm is running, either: |
| // - an activation behavior is currently being processed whose click event was trusted, or |
| // - the event listener for a trusted click event is being handled. |
| if (!UserGestureIndicator::processingUserGesture()) |
| break; |
| |
| // We do not allow pressing the Escape key as a user gesture to enter fullscreen since this is the key |
| // to exit fullscreen. |
| if (UserGestureIndicator::currentUserGesture()->gestureType() == UserGestureType::EscapeKey) { |
| addConsoleMessage(MessageSource::Security, MessageLevel::Error, ASCIILiteral("The Escape key may not be used as a user gesture to enter fullscreen")); |
| break; |
| } |
| |
| // There is a previously-established user preference, security risk, or platform limitation. |
| if (!page() || !page()->settings().fullScreenEnabled()) |
| break; |
| |
| bool hasKeyboardAccess = true; |
| if (!page()->chrome().client().supportsFullScreenForElement(*element, hasKeyboardAccess)) { |
| // The new full screen API does not accept a "flags" parameter, so fall back to disallowing |
| // keyboard input if the chrome client refuses to allow keyboard input. |
| hasKeyboardAccess = false; |
| |
| if (!page()->chrome().client().supportsFullScreenForElement(*element, hasKeyboardAccess)) |
| break; |
| } |
| |
| // 2. Let doc be element's node document. (i.e. "this") |
| Document* currentDoc = this; |
| |
| // 3. Let docs be all doc's ancestor browsing context's documents (if any) and doc. |
| Deque<Document*> docs; |
| |
| do { |
| docs.prepend(currentDoc); |
| currentDoc = currentDoc->ownerElement() ? ¤tDoc->ownerElement()->document() : nullptr; |
| } while (currentDoc); |
| |
| // 4. For each document in docs, run these substeps: |
| Deque<Document*>::iterator current = docs.begin(), following = docs.begin(); |
| |
| do { |
| ++following; |
| |
| // 1. Let following document be the document after document in docs, or null if there is no |
| // such document. |
| Document* currentDoc = *current; |
| Document* followingDoc = following != docs.end() ? *following : nullptr; |
| |
| // 2. If following document is null, push context object on document's fullscreen element |
| // stack, and queue a task to fire an event named fullscreenchange with its bubbles attribute |
| // set to true on the document. |
| if (!followingDoc) { |
| currentDoc->pushFullscreenElementStack(element); |
| addDocumentToFullScreenChangeEventQueue(currentDoc); |
| continue; |
| } |
| |
| // 3. Otherwise, if document's fullscreen element stack is either empty or its top element |
| // is not following document's browsing context container, |
| Element* topElement = currentDoc->webkitFullscreenElement(); |
| if (!topElement || topElement != followingDoc->ownerElement()) { |
| // ...push following document's browsing context container on document's fullscreen element |
| // stack, and queue a task to fire an event named fullscreenchange with its bubbles attribute |
| // set to true on document. |
| currentDoc->pushFullscreenElementStack(followingDoc->ownerElement()); |
| addDocumentToFullScreenChangeEventQueue(currentDoc); |
| continue; |
| } |
| |
| // 4. Otherwise, do nothing for this document. It stays the same. |
| } while (++current != docs.end()); |
| |
| // 5. Return, and run the remaining steps asynchronously. |
| // 6. Optionally, perform some animation. |
| m_areKeysEnabledInFullScreen = hasKeyboardAccess; |
| m_fullScreenTaskQueue.enqueueTask([this, element = makeRefPtr(element)] { |
| if (auto page = this->page()) |
| page->chrome().client().enterFullScreenForElement(*element); |
| }); |
| |
| // 7. Optionally, display a message indicating how the user can exit displaying the context object fullscreen. |
| return; |
| } while (0); |
| |
| m_fullScreenErrorEventTargetQueue.append(element ? element : documentElement()); |
| m_fullScreenTaskQueue.enqueueTask([this] { |
| dispatchFullScreenChangeEvents(); |
| }); |
| } |
| |
| void Document::webkitCancelFullScreen() |
| { |
| // The Mozilla "cancelFullScreen()" API behaves like the W3C "fully exit fullscreen" behavior, which |
| // is defined as: |
| // "To fully exit fullscreen act as if the exitFullscreen() method was invoked on the top-level browsing |
| // context's document and subsequently empty that document's fullscreen element stack." |
| Document& topDocument = this->topDocument(); |
| if (!topDocument.webkitFullscreenElement()) |
| return; |
| |
| // To achieve that aim, remove all the elements from the top document's stack except for the first before |
| // calling webkitExitFullscreen(): |
| Vector<RefPtr<Element>> replacementFullscreenElementStack; |
| replacementFullscreenElementStack.append(topDocument.webkitFullscreenElement()); |
| topDocument.m_fullScreenElementStack.swap(replacementFullscreenElementStack); |
| |
| topDocument.webkitExitFullscreen(); |
| } |
| |
| void Document::webkitExitFullscreen() |
| { |
| // The exitFullscreen() method must run these steps: |
| |
| // 1. Let doc be the context object. (i.e. "this") |
| Document* currentDoc = this; |
| |
| // 2. If doc's fullscreen element stack is empty, terminate these steps. |
| if (m_fullScreenElementStack.isEmpty()) |
| return; |
| |
| // 3. Let descendants be all the doc's descendant browsing context's documents with a non-empty fullscreen |
| // element stack (if any), ordered so that the child of the doc is last and the document furthest |
| // away from the doc is first. |
| Deque<RefPtr<Document>> descendants; |
| for (Frame* descendant = frame() ? frame()->tree().traverseNext() : nullptr; descendant; descendant = descendant->tree().traverseNext()) { |
| if (descendant->document()->webkitFullscreenElement()) |
| descendants.prepend(descendant->document()); |
| } |
| |
| // 4. For each descendant in descendants, empty descendant's fullscreen element stack, and queue a |
| // task to fire an event named fullscreenchange with its bubbles attribute set to true on descendant. |
| for (auto& document : descendants) { |
| document->clearFullscreenElementStack(); |
| addDocumentToFullScreenChangeEventQueue(document.get()); |
| } |
| |
| // 5. While doc is not null, run these substeps: |
| Element* newTop = nullptr; |
| while (currentDoc) { |
| // 1. Pop the top element of doc's fullscreen element stack. |
| currentDoc->popFullscreenElementStack(); |
| |
| // If doc's fullscreen element stack is non-empty and the element now at the top is either |
| // not in a document or its node document is not doc, repeat this substep. |
| newTop = currentDoc->webkitFullscreenElement(); |
| if (newTop && (!newTop->isConnected() || &newTop->document() != currentDoc)) |
| continue; |
| |
| // 2. Queue a task to fire an event named fullscreenchange with its bubbles attribute set to true |
| // on doc. |
| addDocumentToFullScreenChangeEventQueue(currentDoc); |
| |
| // 3. If doc's fullscreen element stack is empty and doc's browsing context has a browsing context |
| // container, set doc to that browsing context container's node document. |
| if (!newTop && currentDoc->ownerElement()) { |
| currentDoc = ¤tDoc->ownerElement()->document(); |
| continue; |
| } |
| |
| // 4. Otherwise, set doc to null. |
| currentDoc = nullptr; |
| } |
| |
| // 6. Return, and run the remaining steps asynchronously. |
| // 7. Optionally, perform some animation. |
| m_fullScreenTaskQueue.enqueueTask([this, newTop = makeRefPtr(newTop), fullScreenElement = m_fullScreenElement] { |
| auto* page = this->page(); |
| if (!page) |
| return; |
| |
| // Only exit out of full screen window mode if there are no remaining elements in the |
| // full screen stack. |
| if (!newTop) { |
| page->chrome().client().exitFullScreenForElement(fullScreenElement.get()); |
| return; |
| } |
| |
| // Otherwise, notify the chrome of the new full screen element. |
| page->chrome().client().enterFullScreenForElement(*newTop); |
| }); |
| } |
| |
| bool Document::webkitFullscreenEnabled() const |
| { |
| // 4. The fullscreenEnabled attribute must return true if the context object and all ancestor |
| // browsing context's documents have their fullscreen enabled flag set, or false otherwise. |
| |
| // Top-level browsing contexts are implied to have their allowFullScreen attribute set. |
| return isAttributeOnAllOwners(allowfullscreenAttr, webkitallowfullscreenAttr, ownerElement()); |
| } |
| |
| static void unwrapFullScreenRenderer(RenderFullScreen* fullScreenRenderer, Element* fullScreenElement) |
| { |
| if (!fullScreenRenderer) |
| return; |
| bool requiresRenderTreeRebuild; |
| fullScreenRenderer->unwrapRenderer(requiresRenderTreeRebuild); |
| |
| if (requiresRenderTreeRebuild && fullScreenElement && fullScreenElement->parentElement()) |
| fullScreenElement->parentElement()->invalidateStyleAndRenderersForSubtree(); |
| } |
| |
| void Document::webkitWillEnterFullScreenForElement(Element* element) |
| { |
| if (!hasLivingRenderTree() || pageCacheState() != NotInPageCache) |
| return; |
| |
| ASSERT(element); |
| |
| // Protect against being called after the document has been removed from the page. |
| if (!page()) |
| return; |
| |
| ASSERT(page()->settings().fullScreenEnabled()); |
| |
| unwrapFullScreenRenderer(m_fullScreenRenderer.get(), m_fullScreenElement.get()); |
| |
| if (element) |
| element->willBecomeFullscreenElement(); |
| |
| m_fullScreenElement = element; |
| |
| #if USE(NATIVE_FULLSCREEN_VIDEO) |
| if (element && element->isMediaElement()) |
| return; |
| #endif |
| |
| // Create a placeholder block for a the full-screen element, to keep the page from reflowing |
| // when the element is removed from the normal flow. Only do this for a RenderBox, as only |
| // a box will have a frameRect. The placeholder will be created in setFullScreenRenderer() |
| // during layout. |
| auto renderer = m_fullScreenElement->renderer(); |
| bool shouldCreatePlaceholder = is<RenderBox>(renderer); |
| if (shouldCreatePlaceholder) { |
| m_savedPlaceholderFrameRect = downcast<RenderBox>(*renderer).frameRect(); |
| m_savedPlaceholderRenderStyle = RenderStyle::clonePtr(renderer->style()); |
| } |
| |
| if (m_fullScreenElement != documentElement() && renderer) |
| RenderFullScreen::wrapExistingRenderer(*renderer, *this); |
| |
| m_fullScreenElement->setContainsFullScreenElementOnAncestorsCrossingFrameBoundaries(true); |
| |
| resolveStyle(ResolveStyleType::Rebuild); |
| dispatchFullScreenChangeEvents(); |
| } |
| |
| void Document::webkitDidEnterFullScreenForElement(Element*) |
| { |
| if (!m_fullScreenElement) |
| return; |
| |
| if (!hasLivingRenderTree() || pageCacheState() != NotInPageCache) |
| return; |
| |
| m_fullScreenElement->didBecomeFullscreenElement(); |
| } |
| |
| void Document::webkitWillExitFullScreenForElement(Element*) |
| { |
| if (!m_fullScreenElement) |
| return; |
| |
| if (!hasLivingRenderTree() || pageCacheState() != NotInPageCache) |
| return; |
| |
| m_fullScreenElement->willStopBeingFullscreenElement(); |
| } |
| |
| void Document::webkitDidExitFullScreenForElement(Element*) |
| { |
| if (!m_fullScreenElement) |
| return; |
| |
| if (!hasLivingRenderTree() || pageCacheState() != NotInPageCache) |
| return; |
| |
| m_fullScreenElement->setContainsFullScreenElementOnAncestorsCrossingFrameBoundaries(false); |
| |
| m_areKeysEnabledInFullScreen = false; |
| |
| unwrapFullScreenRenderer(m_fullScreenRenderer.get(), m_fullScreenElement.get()); |
| |
| m_fullScreenElement = nullptr; |
| scheduleForcedStyleRecalc(); |
| |
| // When webkitCancelFullScreen is called, we call webkitExitFullScreen on the topDocument(). That |
| // means that the events will be queued there. So if we have no events here, start the timer on |
| // the exiting document. |
| bool eventTargetQueuesEmpty = m_fullScreenChangeEventTargetQueue.isEmpty() && m_fullScreenErrorEventTargetQueue.isEmpty(); |
| Document& exitingDocument = eventTargetQueuesEmpty ? topDocument() : *this; |
| |
| exitingDocument.dispatchFullScreenChangeEvents(); |
| } |
| |
| void Document::setFullScreenRenderer(RenderTreeBuilder& builder, RenderFullScreen& renderer) |
| { |
| if (&renderer == m_fullScreenRenderer) |
| return; |
| |
| if (m_savedPlaceholderRenderStyle) |
| builder.createPlaceholderForFullScreen(renderer, WTFMove(m_savedPlaceholderRenderStyle), m_savedPlaceholderFrameRect); |
| else if (m_fullScreenRenderer && m_fullScreenRenderer->placeholder()) { |
| auto* placeholder = m_fullScreenRenderer->placeholder(); |
| builder.createPlaceholderForFullScreen(renderer, RenderStyle::clonePtr(placeholder->style()), placeholder->frameRect()); |
| } |
| |
| if (m_fullScreenRenderer) |
| builder.destroy(*m_fullScreenRenderer); |
| ASSERT(!m_fullScreenRenderer); |
| |
| m_fullScreenRenderer = makeWeakPtr(renderer); |
| } |
| |
| void Document::dispatchFullScreenChangeEvents() |
| { |
| // Since we dispatch events in this function, it's possible that the |
| // document will be detached and GC'd. We protect it here to make sure we |
| // can finish the function successfully. |
| Ref<Document> protectedThis(*this); |
| Deque<RefPtr<Node>> changeQueue; |
| m_fullScreenChangeEventTargetQueue.swap(changeQueue); |
| Deque<RefPtr<Node>> errorQueue; |
| m_fullScreenErrorEventTargetQueue.swap(errorQueue); |
| dispatchFullScreenChangeOrErrorEvent(changeQueue, eventNames().webkitfullscreenchangeEvent, /* shouldNotifyMediaElement */ true); |
| dispatchFullScreenChangeOrErrorEvent(errorQueue, eventNames().webkitfullscreenerrorEvent, /* shouldNotifyMediaElement */ false); |
| } |
| |
| void Document::dispatchFullScreenChangeOrErrorEvent(Deque<RefPtr<Node>>& queue, const AtomicString& eventName, bool shouldNotifyMediaElement) |
| { |
| while (!queue.isEmpty()) { |
| RefPtr<Node> node = queue.takeFirst(); |
| if (!node) |
| node = documentElement(); |
| // The dispatchEvent below may have blown away our documentElement. |
| if (!node) |
| continue; |
| |
| // If the element was removed from our tree, also message the documentElement. Since we may |
| // have a document hierarchy, check that node isn't in another document. |
| if (!node->isConnected()) |
| queue.append(documentElement()); |
| |
| #if ENABLE(VIDEO) |
| if (shouldNotifyMediaElement && is<HTMLMediaElement>(*node)) |
| downcast<HTMLMediaElement>(*node).enteredOrExitedFullscreen(); |
| #endif |
| node->dispatchEvent(Event::create(eventName, true, false)); |
| } |
| } |
| |
| void Document::fullScreenElementRemoved() |
| { |
| m_fullScreenElement->setContainsFullScreenElementOnAncestorsCrossingFrameBoundaries(false); |
| webkitCancelFullScreen(); |
| } |
| |
| void Document::removeFullScreenElementOfSubtree(Node& node, bool amongChildrenOnly) |
| { |
| if (!m_fullScreenElement) |
| return; |
| |
| bool elementInSubtree = false; |
| if (amongChildrenOnly) |
| elementInSubtree = m_fullScreenElement->isDescendantOf(node); |
| else |
| elementInSubtree = (m_fullScreenElement == &node) || m_fullScreenElement->isDescendantOf(node); |
| |
| if (elementInSubtree) |
| fullScreenElementRemoved(); |
| } |
| |
| bool Document::isAnimatingFullScreen() const |
| { |
| return m_isAnimatingFullScreen; |
| } |
| |
| void Document::setAnimatingFullScreen(bool flag) |
| { |
| if (m_isAnimatingFullScreen == flag) |
| return; |
| m_isAnimatingFullScreen = flag; |
| |
| if (m_fullScreenElement && m_fullScreenElement->isDescendantOf(*this)) { |
| m_fullScreenElement->invalidateStyleForSubtree(); |
| scheduleForcedStyleRecalc(); |
| } |
| } |
| |
| void Document::clearFullscreenElementStack() |
| { |
| m_fullScreenElementStack.clear(); |
| } |
| |
| void Document::popFullscreenElementStack() |
| { |
| if (m_fullScreenElementStack.isEmpty()) |
| return; |
| |
| m_fullScreenElementStack.removeLast(); |
| } |
| |
| void Document::pushFullscreenElementStack(Element* element) |
| { |
| m_fullScreenElementStack.append(element); |
| } |
| |
| void Document::addDocumentToFullScreenChangeEventQueue(Document* doc) |
| { |
| ASSERT(doc); |
| Node* target = doc->webkitFullscreenElement(); |
| if (!target) |
| target = doc->webkitCurrentFullScreenElement(); |
| if (!target) |
| target = doc; |
| m_fullScreenChangeEventTargetQueue.append(target); |
| } |
| |
| #endif |
| |
| #if ENABLE(POINTER_LOCK) |
| |
| void Document::exitPointerLock() |
| { |
| Page* page = this->page(); |
| if (!page) |
| return; |
| if (auto* target = page->pointerLockController().element()) { |
| if (&target->document() != this) |
| return; |
| } |
| page->pointerLockController().requestPointerUnlock(); |
| } |
| |
| #endif |
| |
| void Document::decrementLoadEventDelayCount() |
| { |
| ASSERT(m_loadEventDelayCount); |
| --m_loadEventDelayCount; |
| |
| if (frame() && !m_loadEventDelayCount && !m_loadEventDelayTimer.isActive()) |
| m_loadEventDelayTimer.startOneShot(0_s); |
| } |
| |
| void Document::loadEventDelayTimerFired() |
| { |
| // FIXME: Should the call to FrameLoader::checkLoadComplete be moved inside Document::checkCompleted? |
| // FIXME: Should this also call DocumentLoader::checkLoadComplete? |
| // FIXME: Not obvious why checkCompleted needs to go first. The order these are called is |
| // visible to WebKit clients, but it's more like a race than a well-defined relationship. |
| checkCompleted(); |
| if (auto* frame = this->frame()) |
| frame->loader().checkLoadComplete(); |
| } |
| |
| void Document::checkCompleted() |
| { |
| if (auto* frame = this->frame()) |
| frame->loader().checkCompleted(); |
| } |
| |
| double Document::monotonicTimestamp() const |
| { |
| auto* loader = this->loader(); |
| if (!loader) |
| return 0; |
| |
| return loader->timing().secondsSinceStartTime(MonotonicTime::now()).seconds(); |
| } |
| |
| int Document::requestAnimationFrame(Ref<RequestAnimationFrameCallback>&& callback) |
| { |
| if (!m_scriptedAnimationController) { |
| #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR) |
| m_scriptedAnimationController = ScriptedAnimationController::create(*this, page() ? page()->chrome().displayID() : 0); |
| #else |
| m_scriptedAnimationController = ScriptedAnimationController::create(*this, 0); |
| #endif |
| // It's possible that the Page may have suspended scripted animations before |
| // we were created. We need to make sure that we don't start up the animation |
| // controller on a background tab, for example. |
| if (!page() || page()->scriptedAnimationsSuspended()) |
| m_scriptedAnimationController->suspend(); |
| |
| if (page() && page()->isLowPowerModeEnabled()) |
| m_scriptedAnimationController->addThrottlingReason(ScriptedAnimationController::ThrottlingReason::LowPowerMode); |
| |
| if (!topOrigin().canAccess(securityOrigin()) && !hasHadUserInteraction()) |
| m_scriptedAnimationController->addThrottlingReason(ScriptedAnimationController::ThrottlingReason::NonInteractedCrossOriginFrame); |
| } |
| |
| return m_scriptedAnimationController->registerCallback(WTFMove(callback)); |
| } |
| |
| void Document::cancelAnimationFrame(int id) |
| { |
| if (!m_scriptedAnimationController) |
| return; |
| m_scriptedAnimationController->cancelCallback(id); |
| } |
| |
| void Document::clearScriptedAnimationController() |
| { |
| // FIXME: consider using ActiveDOMObject. |
| if (m_scriptedAnimationController) |
| m_scriptedAnimationController->clearDocumentPointer(); |
| m_scriptedAnimationController = nullptr; |
| } |
| |
| void Document::wheelEventHandlersChanged() |
| { |
| Page* page = this->page(); |
| if (!page) |
| return; |
| |
| if (FrameView* frameView = view()) { |
| if (ScrollingCoordinator* scrollingCoordinator = page->scrollingCoordinator()) |
| scrollingCoordinator->frameViewEventTrackingRegionsChanged(*frameView); |
| } |
| |
| bool haveHandlers = m_wheelEventTargets && !m_wheelEventTargets->isEmpty(); |
| page->chrome().client().wheelEventHandlersChanged(haveHandlers); |
| } |
| |
| void Document::didAddWheelEventHandler(Node& node) |
| { |
| if (!m_wheelEventTargets) |
| m_wheelEventTargets = std::make_unique<EventTargetSet>(); |
| |
| m_wheelEventTargets->add(&node); |
| |
| wheelEventHandlersChanged(); |
| |
| if (Frame* frame = this->frame()) |
| DebugPageOverlays::didChangeEventHandlers(*frame); |
| } |
| |
| HttpEquivPolicy Document::httpEquivPolicy() const |
| { |
| if (shouldEnforceContentDispositionAttachmentSandbox()) |
| return HttpEquivPolicy::DisabledByContentDispositionAttachmentSandbox; |
| if (page() && !page()->settings().httpEquivEnabled()) |
| return HttpEquivPolicy::DisabledBySettings; |
| return HttpEquivPolicy::Enabled; |
| } |
| |
| static bool removeHandlerFromSet(EventTargetSet& handlerSet, Node& node, EventHandlerRemoval removal) |
| { |
| switch (removal) { |
| case EventHandlerRemoval::One: |
| return handlerSet.remove(&node); |
| case EventHandlerRemoval::All: |
| return handlerSet.removeAll(&node); |
| } |
| return false; |
| } |
| |
| void Document::didRemoveWheelEventHandler(Node& node, EventHandlerRemoval removal) |
| { |
| if (!m_wheelEventTargets) |
| return; |
| |
| if (!removeHandlerFromSet(*m_wheelEventTargets, node, removal)) |
| return; |
| |
| wheelEventHandlersChanged(); |
| |
| if (Frame* frame = this->frame()) |
| DebugPageOverlays::didChangeEventHandlers(*frame); |
| } |
| |
| unsigned Document::wheelEventHandlerCount() const |
| { |
| if (!m_wheelEventTargets) |
| return 0; |
| |
| unsigned count = 0; |
| for (auto& handler : *m_wheelEventTargets) |
| count += handler.value; |
| |
| return count; |
| } |
| |
| void Document::didAddTouchEventHandler(Node& handler) |
| { |
| #if ENABLE(TOUCH_EVENTS) |
| if (!m_touchEventTargets) |
| m_touchEventTargets = std::make_unique<EventTargetSet>(); |
| |
| m_touchEventTargets->add(&handler); |
| |
| if (Document* parent = parentDocument()) { |
| parent->didAddTouchEventHandler(*this); |
| return; |
| } |
| #else |
| UNUSED_PARAM(handler); |
| #endif |
| } |
| |
| void Document::didRemoveTouchEventHandler(Node& handler, EventHandlerRemoval removal) |
| { |
| #if ENABLE(TOUCH_EVENTS) |
| if (!m_touchEventTargets) |
| return; |
| |
| removeHandlerFromSet(*m_touchEventTargets, handler, removal); |
| |
| if (Document* parent = parentDocument()) |
| parent->didRemoveTouchEventHandler(*this); |
| #else |
| UNUSED_PARAM(handler); |
| UNUSED_PARAM(removal); |
| #endif |
| } |
| |
| void Document::didRemoveEventTargetNode(Node& handler) |
| { |
| #if ENABLE(TOUCH_EVENTS) |
| if (m_touchEventTargets) { |
| m_touchEventTargets->removeAll(&handler); |
| if ((&handler == this || m_touchEventTargets->isEmpty()) && parentDocument()) |
| parentDocument()->didRemoveEventTargetNode(*this); |
| } |
| #endif |
| |
| if (m_wheelEventTargets) { |
| m_wheelEventTargets->removeAll(&handler); |
| if ((&handler == this || m_wheelEventTargets->isEmpty()) && parentDocument()) |
| parentDocument()->didRemoveEventTargetNode(*this); |
| } |
| } |
| |
| unsigned Document::touchEventHandlerCount() const |
| { |
| #if ENABLE(TOUCH_EVENTS) |
| if (!m_touchEventTargets) |
| return 0; |
| |
| unsigned count = 0; |
| for (auto& handler : *m_touchEventTargets) |
| count += handler.value; |
| |
| return count; |
| #else |
| return 0; |
| #endif |
| } |
| |
| LayoutRect Document::absoluteEventHandlerBounds(bool& includesFixedPositionElements) |
| { |
| includesFixedPositionElements = false; |
| if (RenderView* renderView = this->renderView()) |
| return renderView->documentRect(); |
| |
| return LayoutRect(); |
| } |
| |
| Document::RegionFixedPair Document::absoluteRegionForEventTargets(const EventTargetSet* targets) |
| { |
| LayoutDisallowedScope layoutDisallowedScope(LayoutDisallowedScope::Reason::ReentrancyAvoidance); |
| |
| if (!targets) |
| return RegionFixedPair(Region(), false); |
| |
| Region targetRegion; |
| bool insideFixedPosition = false; |
| |
| for (auto& keyValuePair : *targets) { |
| LayoutRect rootRelativeBounds; |
| |
| if (is<Document>(keyValuePair.key)) { |
| Document* document = downcast<Document>(keyValuePair.key); |
| if (document == this) |
| rootRelativeBounds = absoluteEventHandlerBounds(insideFixedPosition); |
| else if (Element* element = document->ownerElement()) |
| rootRelativeBounds = element->absoluteEventHandlerBounds(insideFixedPosition); |
| } else if (is<Element>(keyValuePair.key)) { |
| Element* element = downcast<Element>(keyValuePair.key); |
| if (is<HTMLBodyElement>(element)) { |
| // For the body, just use the document bounds. |
| // The body may not cover this whole area, but it's OK for this region to be an overestimate. |
| rootRelativeBounds = absoluteEventHandlerBounds(insideFixedPosition); |
| } else |
| rootRelativeBounds = element->absoluteEventHandlerBounds(insideFixedPosition); |
| } |
| |
| if (!rootRelativeBounds.isEmpty()) |
| targetRegion.unite(Region(enclosingIntRect(rootRelativeBounds))); |
| } |
| |
| return RegionFixedPair(targetRegion, insideFixedPosition); |
| } |
| |
| void Document::updateLastHandledUserGestureTimestamp(MonotonicTime time) |
| { |
| m_lastHandledUserGestureTimestamp = time; |
| |
| if (static_cast<bool>(time) && m_scriptedAnimationController) { |
| // It's OK to always remove NonInteractedCrossOriginFrame even if this frame isn't cross-origin. |
| m_scriptedAnimationController->removeThrottlingReason(ScriptedAnimationController::ThrottlingReason::NonInteractedCrossOriginFrame); |
| } |
| |
| // DOM Timer alignment may depend on the user having interacted with the document. |
| didChangeTimerAlignmentInterval(); |
| |
| if (HTMLFrameOwnerElement* element = ownerElement()) |
| element->document().updateLastHandledUserGestureTimestamp(time); |
| } |
| |
| bool Document::processingUserGestureForMedia() const |
| { |
| if (UserGestureIndicator::processingUserGestureForMedia()) |
| return true; |
| |
| if (settings().mediaUserGestureInheritsFromDocument()) |
| return topDocument().hasHadUserInteraction(); |
| |
| auto* loader = this->loader(); |
| if (loader && loader->allowedAutoplayQuirks().contains(AutoplayQuirk::InheritedUserGestures)) |
| return topDocument().hasHadUserInteraction(); |
| |
| return false; |
| } |
| |
| void Document::startTrackingStyleRecalcs() |
| { |
| m_styleRecalcCount = 0; |
| } |
| |
| unsigned Document::styleRecalcCount() const |
| { |
| return m_styleRecalcCount; |
| } |
| |
| DocumentLoader* Document::loader() const |
| { |
| if (!m_frame) |
| return nullptr; |
| |
| DocumentLoader* loader = m_frame->loader().documentLoader(); |
| if (!loader) |
| return nullptr; |
| |
| if (m_frame->document() != this) |
| return nullptr; |
| |
| return loader; |
| } |
| |
| #if ENABLE(CSS_DEVICE_ADAPTATION) |
| |
| IntSize Document::initialViewportSize() const |
| { |
| if (!view()) |
| return IntSize(); |
| return view()->initialViewportSize(); |
| } |
| |
| #endif |
| |
| Element* eventTargetElementForDocument(Document* document) |
| { |
| if (!document) |
| return nullptr; |
| Element* element = document->focusedElement(); |
| if (!element && is<PluginDocument>(*document)) |
| element = downcast<PluginDocument>(*document).pluginElement(); |
| if (!element && is<HTMLDocument>(*document)) |
| element = document->bodyOrFrameset(); |
| if (!element) |
| element = document->documentElement(); |
| return element; |
| } |
| |
| void Document::convertAbsoluteToClientQuads(Vector<FloatQuad>& quads, const RenderStyle& style) |
| { |
| if (!view()) |
| return; |
| |
| const auto& frameView = *view(); |
| float inverseFrameScale = frameView.absoluteToDocumentScaleFactor(style.effectiveZoom()); |
| auto documentToClientOffset = frameView.documentToClientOffset(); |
| |
| for (auto& quad : quads) { |
| if (inverseFrameScale != 1) |
| quad.scale(inverseFrameScale); |
| |
| quad.move(documentToClientOffset); |
| } |
| } |
| |
| void Document::convertAbsoluteToClientRects(Vector<FloatRect>& rects, const RenderStyle& style) |
| { |
| if (!view()) |
| return; |
| |
| auto& frameView = *view(); |
| float inverseFrameScale = frameView.absoluteToDocumentScaleFactor(style.effectiveZoom()); |
| auto documentToClientOffset = frameView.documentToClientOffset(); |
| |
| for (auto& rect : rects) { |
| if (inverseFrameScale != 1) |
| rect.scale(inverseFrameScale); |
| |
| rect.move(documentToClientOffset); |
| } |
| } |
| |
| void Document::convertAbsoluteToClientRect(FloatRect& rect, const RenderStyle& style) |
| { |
| if (!view()) |
| return; |
| |
| const auto& frameView = *view(); |
| rect = frameView.absoluteToDocumentRect(rect, style.effectiveZoom()); |
| rect = frameView.documentToClientRect(rect); |
| } |
| |
| bool Document::hasActiveParser() |
| { |
| return m_activeParserCount || (m_parser && m_parser->processingData()); |
| } |
| |
| void Document::decrementActiveParserCount() |
| { |
| --m_activeParserCount; |
| if (!frame()) |
| return; |
| |
| // FIXME: We should call DocumentLoader::checkLoadComplete as well here, |
| // but it seems to cause http/tests/security/feed-urls-from-remote.html |
| // to timeout on Mac WK1; see http://webkit.org/b/110554 and http://webkit.org/b/110401. |
| frame()->loader().checkLoadComplete(); |
| } |
| |
| static RenderElement* nearestCommonHoverAncestor(RenderElement* obj1, RenderElement* obj2) |
| { |
| if (!obj1 || !obj2) |
| return nullptr; |
| |
| for (RenderElement* currObj1 = obj1; currObj1; currObj1 = currObj1->hoverAncestor()) { |
| for (RenderElement* currObj2 = obj2; currObj2; currObj2 = currObj2->hoverAncestor()) { |
| if (currObj1 == currObj2) |
| return currObj1; |
| } |
| } |
| |
| return nullptr; |
| } |
| |
| void Document::updateHoverActiveState(const HitTestRequest& request, Element* innerElement) |
| { |
| ASSERT(!request.readOnly()); |
| |
| Element* innerElementInDocument = innerElement; |
| while (innerElementInDocument && &innerElementInDocument->document() != this) { |
| innerElementInDocument->document().updateHoverActiveState(request, innerElementInDocument); |
| innerElementInDocument = innerElementInDocument->document().ownerElement(); |
| } |
| |
| Element* oldActiveElement = m_activeElement.get(); |
| if (oldActiveElement && !request.active()) { |
| // We are clearing the :active chain because the mouse has been released. |
| for (Element* currentElement = oldActiveElement; currentElement; currentElement = currentElement->parentElementInComposedTree()) { |
| currentElement->setActive(false); |
| m_userActionElements.setInActiveChain(*currentElement, false); |
| } |
| m_activeElement = nullptr; |
| } else { |
| Element* newActiveElement = innerElementInDocument; |
| if (!oldActiveElement && newActiveElement && request.active() && !request.touchMove()) { |
| // We are setting the :active chain and freezing it. If future moves happen, they |
| // will need to reference this chain. |
| for (RenderElement* curr = newActiveElement->renderer(); curr; curr = curr->parent()) { |
| Element* element = curr->element(); |
| if (!element || curr->isTextOrLineBreak()) |
| continue; |
| m_userActionElements.setInActiveChain(*element, true); |
| } |
| |
| m_activeElement = newActiveElement; |
| } |
| } |
| // If the mouse has just been pressed, set :active on the chain. Those (and only those) |
| // nodes should remain :active until the mouse is released. |
| bool allowActiveChanges = !oldActiveElement && m_activeElement; |
| |
| // If the mouse is down and if this is a mouse move event, we want to restrict changes in |
| // :hover/:active to only apply to elements that are in the :active chain that we froze |
| // at the time the mouse went down. |
| bool mustBeInActiveChain = request.active() && request.move(); |
| |
| RefPtr<Element> oldHoveredElement = WTFMove(m_hoveredElement); |
| |
| // A touch release does not set a new hover target; clearing the element we're working with |
| // will clear the chain of hovered elements all the way to the top of the tree. |
| if (request.touchRelease()) |
| innerElementInDocument = nullptr; |
| |
| // Check to see if the hovered Element has changed. |
| // If it hasn't, we do not need to do anything. |
| Element* newHoveredElement = innerElementInDocument; |
| while (newHoveredElement && !newHoveredElement->renderer()) |
| newHoveredElement = newHoveredElement->parentElementInComposedTree(); |
| |
| m_hoveredElement = newHoveredElement; |
| |
| // We have two different objects. Fetch their renderers. |
| RenderElement* oldHoverObj = oldHoveredElement ? oldHoveredElement->renderer() : nullptr; |
| RenderElement* newHoverObj = newHoveredElement ? newHoveredElement->renderer() : nullptr; |
| |
| // Locate the common ancestor render object for the two renderers. |
| RenderElement* ancestor = nearestCommonHoverAncestor(oldHoverObj, newHoverObj); |
| |
| Vector<RefPtr<Element>, 32> elementsToRemoveFromChain; |
| Vector<RefPtr<Element>, 32> elementsToAddToChain; |
| |
| if (oldHoverObj != newHoverObj) { |
| // If the old hovered element is not nil but it's renderer is, it was probably detached as part of the :hover style |
| // (for instance by setting display:none in the :hover pseudo-class). In this case, the old hovered element (and its ancestors) |
| // must be updated, to ensure it's normal style is re-applied. |
| if (oldHoveredElement && !oldHoverObj) { |
| for (Element* element = oldHoveredElement.get(); element; element = element->parentElementInComposedTree()) { |
| if (!mustBeInActiveChain || element->inActiveChain()) |
| elementsToRemoveFromChain.append(element); |
| } |
| } |
| |
| // The old hover path only needs to be cleared up to (and not including) the common ancestor; |
| for (RenderElement* curr = oldHoverObj; curr && curr != ancestor; curr = curr->hoverAncestor()) { |
| Element* element = curr->element(); |
| if (!element) |
| continue; |
| if (!mustBeInActiveChain || element->inActiveChain()) |
| elementsToRemoveFromChain.append(element); |
| } |
| // Unset hovered nodes in sub frame documents if the old hovered node was a frame owner. |
| if (is<HTMLFrameOwnerElement>(oldHoveredElement)) { |
| if (Document* contentDocument = downcast<HTMLFrameOwnerElement>(*oldHoveredElement).contentDocument()) |
| contentDocument->updateHoverActiveState(request, nullptr); |
| } |
| } |
| |
| // Now set the hover state for our new object up to the root. |
| for (RenderElement* curr = newHoverObj; curr; curr = curr->hoverAncestor()) { |
| Element* element = curr->element(); |
| if (!element) |
| continue; |
| if (!mustBeInActiveChain || element->inActiveChain()) |
| elementsToAddToChain.append(element); |
| } |
| |
| for (auto& element : elementsToRemoveFromChain) |
| element->setHovered(false); |
| |
| bool sawCommonAncestor = false; |
| for (auto& element : elementsToAddToChain) { |
| if (allowActiveChanges) |
| element->setActive(true); |
| if (ancestor && element == ancestor->element()) |
| sawCommonAncestor = true; |
| if (!sawCommonAncestor) { |
| // Elements after the common hover ancestor does not change hover state, but are iterated over because they may change active state. |
| element->setHovered(true); |
| } |
| } |
| } |
| |
| bool Document::haveStylesheetsLoaded() const |
| { |
| return !styleScope().hasPendingSheets() || m_ignorePendingStylesheets; |
| } |
| |
| Locale& Document::getCachedLocale(const AtomicString& locale) |
| { |
| AtomicString localeKey = locale; |
| if (locale.isEmpty() || !settings().langAttributeAwareFormControlUIEnabled()) |
| localeKey = defaultLanguage(); |
| LocaleIdentifierToLocaleMap::AddResult result = m_localeCache.add(localeKey, nullptr); |
| if (result.isNewEntry) |
| result.iterator->value = Locale::create(localeKey); |
| return *(result.iterator->value); |
| } |
| |
| Document& Document::ensureTemplateDocument() |
| { |
| if (const Document* document = templateDocument()) |
| return const_cast<Document&>(*document); |
| |
| if (isHTMLDocument()) |
| m_templateDocument = HTMLDocument::create(nullptr, blankURL()); |
| else |
| m_templateDocument = Document::create(nullptr, blankURL()); |
| |
| m_templateDocument->setContextDocument(contextDocument()); |
| m_templateDocument->setTemplateDocumentHost(this); // balanced in dtor. |
| |
| return *m_templateDocument; |
| } |
| |
| Ref<FontFaceSet> Document::fonts() |
| { |
| updateStyleIfNeeded(); |
| return fontSelector().fontFaceSet(); |
| } |
| |
| float Document::deviceScaleFactor() const |
| { |
| float deviceScaleFactor = 1.0; |
| if (Page* documentPage = page()) |
| deviceScaleFactor = documentPage->deviceScaleFactor(); |
| return deviceScaleFactor; |
| } |
| |
| bool Document::useSystemAppearance() const |
| { |
| bool useSystemAppearance = false; |
| if (Page* documentPage = page()) |
| useSystemAppearance = documentPage->useSystemAppearance(); |
| return useSystemAppearance; |
| } |
| |
| OptionSet<StyleColor::Options> Document::styleColorOptions() const |
| { |
| OptionSet<StyleColor::Options> options; |
| if (useSystemAppearance()) |
| options |= StyleColor::Options::UseSystemAppearance; |
| return options; |
| } |
| |
| void Document::didAssociateFormControl(Element* element) |
| { |
| if (!frame() || !frame()->page() || !frame()->page()->chrome().client().shouldNotifyOnFormChanges()) |
| return; |
| m_associatedFormControls.add(element); |
| if (!m_didAssociateFormControlsTimer.isActive()) |
| m_didAssociateFormControlsTimer.startOneShot(0_s); |
| } |
| |
| void Document::didAssociateFormControlsTimerFired() |
| { |
| if (!frame() || !frame()->page()) |
| return; |
| |
| frame()->page()->chrome().client().didAssociateFormControls(copyToVector(m_associatedFormControls)); |
| m_associatedFormControls.clear(); |
| } |
| |
| void Document::setCachedDOMCookies(const String& cookies) |
| { |
| ASSERT(!isDOMCookieCacheValid()); |
| m_cachedDOMCookies = cookies; |
| // The cookie cache is valid at most until we go back to the event loop. |
| m_cookieCacheExpiryTimer.startOneShot(0_s); |
| } |
| |
| void Document::invalidateDOMCookieCache() |
| { |
| m_cookieCacheExpiryTimer.stop(); |
| m_cachedDOMCookies = String(); |
| } |
| |
| void Document::didLoadResourceSynchronously() |
| { |
| // Synchronous resources loading can set cookies so we invalidate the cookies cache |
| // in this case, to be safe. |
| invalidateDOMCookieCache(); |
| } |
| |
| void Document::ensurePlugInsInjectedScript(DOMWrapperWorld& world) |
| { |
| if (m_hasInjectedPlugInsScript) |
| return; |
| |
| // Use the JS file provided by the Chrome client, or fallback to the default one. |
| String jsString = page()->chrome().client().plugInExtraScript(); |
| if (!jsString) |
| jsString = String(plugInsJavaScript, sizeof(plugInsJavaScript)); |
| |
| frame()->script().evaluateInWorld(ScriptSourceCode(jsString), world); |
| |
| m_hasInjectedPlugInsScript = true; |
| } |
| |
| #if ENABLE(SUBTLE_CRYPTO) |
| |
| bool Document::wrapCryptoKey(const Vector<uint8_t>& key, Vector<uint8_t>& wrappedKey) |
| { |
| Page* page = this->page(); |
| if (!page) |
| return false; |
| return page->chrome().client().wrapCryptoKey(key, wrappedKey); |
| } |
| |
| bool Document::unwrapCryptoKey(const Vector<uint8_t>& wrappedKey, Vector<uint8_t>& key) |
| { |
| Page* page = this->page(); |
| if (!page) |
| return false; |
| return page->chrome().client().unwrapCryptoKey(wrappedKey, key); |
| } |
| |
| #endif // ENABLE(SUBTLE_CRYPTO) |
| |
| Element* Document::activeElement() |
| { |
| if (Element* element = treeScope().focusedElementInScope()) |
| return element; |
| return bodyOrFrameset(); |
| } |
| |
| bool Document::hasFocus() const |
| { |
| Page* page = this->page(); |
| if (!page || !page->focusController().isActive()) |
| return false; |
| if (Frame* focusedFrame = page->focusController().focusedFrame()) { |
| if (focusedFrame->tree().isDescendantOf(frame())) |
| return true; |
| } |
| return false; |
| } |
| |
| #if ENABLE(WIRELESS_PLAYBACK_TARGET) |
| |
| static uint64_t nextPlaybackTargetClientContextId() |
| { |
| static uint64_t contextId = 0; |
| return ++contextId; |
| } |
| |
| void Document::addPlaybackTargetPickerClient(MediaPlaybackTargetClient& client) |
| { |
| Page* page = this->page(); |
| if (!page) |
| return; |
| |
| // FIXME: change this back to an ASSERT once https://webkit.org/b/144970 is fixed. |
| if (m_clientToIDMap.contains(&client)) |
| return; |
| |
| uint64_t contextId = nextPlaybackTargetClientContextId(); |
| m_clientToIDMap.add(&client, contextId); |
| m_idToClientMap.add(contextId, &client); |
| page->addPlaybackTargetPickerClient(contextId); |
| } |
| |
| void Document::removePlaybackTargetPickerClient(MediaPlaybackTargetClient& client) |
| { |
| auto it = m_clientToIDMap.find(&client); |
| if (it == m_clientToIDMap.end()) |
| return; |
| |
| uint64_t clientId = it->value; |
| m_idToClientMap.remove(clientId); |
| m_clientToIDMap.remove(it); |
| |
| Page* page = this->page(); |
| if (!page) |
| return; |
| page->removePlaybackTargetPickerClient(clientId); |
| } |
| |
| void Document::showPlaybackTargetPicker(MediaPlaybackTargetClient& client, bool isVideo) |
| { |
| Page* page = this->page(); |
| if (!page) |
| return; |
| |
| auto it = m_clientToIDMap.find(&client); |
| if (it == m_clientToIDMap.end()) |
| return; |
| |
| page->showPlaybackTargetPicker(it->value, view()->lastKnownMousePosition(), isVideo); |
| } |
| |
| void Document::playbackTargetPickerClientStateDidChange(MediaPlaybackTargetClient& client, MediaProducer::MediaStateFlags state) |
| { |
| Page* page = this->page(); |
| if (!page) |
| return; |
| |
| auto it = m_clientToIDMap.find(&client); |
| if (it == m_clientToIDMap.end()) |
| return; |
| |
| page->playbackTargetPickerClientStateDidChange(it->value, state); |
| } |
| |
| void Document::playbackTargetAvailabilityDidChange(uint64_t clientId, bool available) |
| { |
| auto it = m_idToClientMap.find(clientId); |
| if (it == m_idToClientMap.end()) |
| return; |
| |
| it->value->externalOutputDeviceAvailableDidChange(available); |
| } |
| |
| void Document::setPlaybackTarget(uint64_t clientId, Ref<MediaPlaybackTarget>&& target) |
| { |
| auto it = m_idToClientMap.find(clientId); |
| if (it == m_idToClientMap.end()) |
| return; |
| |
| it->value->setPlaybackTarget(target.copyRef()); |
| } |
| |
| void Document::setShouldPlayToPlaybackTarget(uint64_t clientId, bool shouldPlay) |
| { |
| auto it = m_idToClientMap.find(clientId); |
| if (it == m_idToClientMap.end()) |
| return; |
| |
| it->value->setShouldPlayToPlaybackTarget(shouldPlay); |
| } |
| |
| #endif // ENABLE(WIRELESS_PLAYBACK_TARGET) |
| |
| #if ENABLE(MEDIA_SESSION) |
| |
| MediaSession& Document::defaultMediaSession() |
| { |
| if (!m_defaultMediaSession) |
| m_defaultMediaSession = MediaSession::create(*scriptExecutionContext()); |
| return *m_defaultMediaSession; |
| } |
| |
| #endif |
| |
| ShouldOpenExternalURLsPolicy Document::shouldOpenExternalURLsPolicyToPropagate() const |
| { |
| if (DocumentLoader* documentLoader = loader()) |
| return documentLoader->shouldOpenExternalURLsPolicyToPropagate(); |
| |
| return ShouldOpenExternalURLsPolicy::ShouldNotAllow; |
| } |
| |
| bool Document::shouldEnforceHTTP09Sandbox() const |
| { |
| if (m_isSynthesized || !m_frame) |
| return false; |
| DocumentLoader* documentLoader = m_frame->loader().activeDocumentLoader(); |
| return documentLoader && documentLoader->response().isHTTP09(); |
| } |
| |
| #if USE(QUICK_LOOK) |
| bool Document::shouldEnforceQuickLookSandbox() const |
| { |
| if (m_isSynthesized || !m_frame) |
| return false; |
| DocumentLoader* documentLoader = m_frame->loader().activeDocumentLoader(); |
| return documentLoader && documentLoader->response().isQuickLook(); |
| } |
| |
| void Document::applyQuickLookSandbox() |
| { |
| const URL& responseURL = m_frame->loader().activeDocumentLoader()->responseURL(); |
| ASSERT(responseURL.protocolIs(QLPreviewProtocol())); |
| |
| auto securityOrigin = SecurityOrigin::create(responseURL); |
| securityOrigin->setStorageBlockingPolicy(SecurityOrigin::BlockAllStorage); |
| setSecurityOriginPolicy(SecurityOriginPolicy::create(WTFMove(securityOrigin))); |
| |
| static NeverDestroyed<String> quickLookCSP = makeString("default-src ", QLPreviewProtocol(), ": 'unsafe-inline'; base-uri 'none'; sandbox allow-same-origin allow-scripts"); |
| RELEASE_ASSERT(contentSecurityPolicy()); |
| // The sandbox directive is only allowed if the policy is from an HTTP header. |
| contentSecurityPolicy()->didReceiveHeader(quickLookCSP, ContentSecurityPolicyHeaderType::Enforce, ContentSecurityPolicy::PolicyFrom::HTTPHeader); |
| |
| disableSandboxFlags(SandboxNavigation); |
| |
| setReferrerPolicy(ReferrerPolicy::NoReferrer); |
| } |
| #endif |
| |
| bool Document::shouldEnforceContentDispositionAttachmentSandbox() const |
| { |
| if (m_isSynthesized) |
| return false; |
| |
| bool contentDispositionAttachmentSandboxEnabled = settings().contentDispositionAttachmentSandboxEnabled(); |
| bool responseIsAttachment = false; |
| if (DocumentLoader* documentLoader = m_frame ? m_frame->loader().activeDocumentLoader() : nullptr) |
| responseIsAttachment = documentLoader->response().isAttachment(); |
| |
| return contentDispositionAttachmentSandboxEnabled && responseIsAttachment; |
| } |
| |
| void Document::applyContentDispositionAttachmentSandbox() |
| { |
| ASSERT(shouldEnforceContentDispositionAttachmentSandbox()); |
| |
| setReferrerPolicy(ReferrerPolicy::NoReferrer); |
| if (!isMediaDocument()) |
| enforceSandboxFlags(SandboxAll); |
| else |
| enforceSandboxFlags(SandboxOrigin); |
| } |
| |
| void Document::addViewportDependentPicture(HTMLPictureElement& picture) |
| { |
| m_viewportDependentPictures.add(&picture); |
| } |
| |
| void Document::removeViewportDependentPicture(HTMLPictureElement& picture) |
| { |
| m_viewportDependentPictures.remove(&picture); |
| } |
| |
| const AtomicString& Document::dir() const |
| { |
| auto* documentElement = this->documentElement(); |
| if (!is<HTMLHtmlElement>(documentElement)) |
| return nullAtom(); |
| return downcast<HTMLHtmlElement>(*documentElement).dir(); |
| } |
| |
| void Document::setDir(const AtomicString& value) |
| { |
| auto* documentElement = this->documentElement(); |
| if (is<HTMLHtmlElement>(documentElement)) |
| downcast<HTMLHtmlElement>(*documentElement).setDir(value); |
| } |
| |
| DOMSelection* Document::getSelection() |
| { |
| return m_domWindow ? m_domWindow->getSelection() : nullptr; |
| } |
| |
| void Document::didInsertInDocumentShadowRoot(ShadowRoot& shadowRoot) |
| { |
| ASSERT(shadowRoot.isConnected()); |
| ASSERT(!m_inDocumentShadowRoots.contains(&shadowRoot)); |
| m_inDocumentShadowRoots.add(&shadowRoot); |
| } |
| |
| void Document::didRemoveInDocumentShadowRoot(ShadowRoot& shadowRoot) |
| { |
| ASSERT(m_inDocumentShadowRoots.contains(&shadowRoot)); |
| m_inDocumentShadowRoots.remove(&shadowRoot); |
| } |
| |
| void Document::orientationChanged(int orientation) |
| { |
| LOG(Events, "Document %p orientationChanged - orientation %d", this, orientation); |
| dispatchWindowEvent(Event::create(eventNames().orientationchangeEvent, false, false)); |
| m_orientationNotifier.orientationChanged(orientation); |
| } |
| |
| void Document::notifyMediaCaptureOfVisibilityChanged() |
| { |
| #if ENABLE(MEDIA_STREAM) |
| if (!page()) |
| return; |
| |
| RealtimeMediaSourceCenter::singleton().setVideoCapturePageState(hidden(), page()->isMediaCaptureMuted()); |
| #endif |
| } |
| |
| #if ENABLE(MEDIA_STREAM) |
| void Document::stopMediaCapture() |
| { |
| MediaStreamRegistry::shared().forEach([this](MediaStream& stream) { |
| if (stream.document() == this) |
| stream.endCaptureTracks(); |
| }); |
| } |
| |
| void Document::registerForMediaStreamStateChangeCallbacks(HTMLMediaElement& element) |
| { |
| m_mediaStreamStateChangeElements.add(&element); |
| } |
| |
| void Document::unregisterForMediaStreamStateChangeCallbacks(HTMLMediaElement& element) |
| { |
| m_mediaStreamStateChangeElements.remove(&element); |
| } |
| |
| void Document::mediaStreamCaptureStateChanged() |
| { |
| if (!MediaProducer::isCapturing(m_mediaState)) |
| return; |
| |
| for (auto* mediaElement : m_mediaStreamStateChangeElements) |
| mediaElement->mediaStreamCaptureStarted(); |
| } |
| #endif |
| |
| void Document::addApplicationStateChangeListener(ApplicationStateChangeListener& listener) |
| { |
| m_applicationStateChangeListeners.add(&listener); |
| } |
| |
| void Document::removeApplicationStateChangeListener(ApplicationStateChangeListener& listener) |
| { |
| m_applicationStateChangeListeners.remove(&listener); |
| } |
| |
| void Document::forEachApplicationStateChangeListener(const Function<void(ApplicationStateChangeListener&)>& functor) |
| { |
| for (auto* listener : m_applicationStateChangeListeners) |
| functor(*listener); |
| } |
| |
| const AtomicString& Document::bgColor() const |
| { |
| auto* bodyElement = body(); |
| if (!bodyElement) |
| return emptyAtom(); |
| return bodyElement->attributeWithoutSynchronization(bgcolorAttr); |
| } |
| |
| void Document::setBgColor(const String& value) |
| { |
| if (auto* bodyElement = body()) |
| bodyElement->setAttributeWithoutSynchronization(bgcolorAttr, value); |
| } |
| |
| const AtomicString& Document::fgColor() const |
| { |
| auto* bodyElement = body(); |
| if (!bodyElement) |
| return emptyAtom(); |
| return bodyElement->attributeWithoutSynchronization(textAttr); |
| } |
| |
| void Document::setFgColor(const String& value) |
| { |
| if (auto* bodyElement = body()) |
| bodyElement->setAttributeWithoutSynchronization(textAttr, value); |
| } |
| |
| const AtomicString& Document::alinkColor() const |
| { |
| auto* bodyElement = body(); |
| if (!bodyElement) |
| return emptyAtom(); |
| return bodyElement->attributeWithoutSynchronization(alinkAttr); |
| } |
| |
| void Document::setAlinkColor(const String& value) |
| { |
| if (auto* bodyElement = body()) |
| bodyElement->setAttributeWithoutSynchronization(alinkAttr, value); |
| } |
| |
| const AtomicString& Document::linkColorForBindings() const |
| { |
| auto* bodyElement = body(); |
| if (!bodyElement) |
| return emptyAtom(); |
| return bodyElement->attributeWithoutSynchronization(linkAttr); |
| } |
| |
| void Document::setLinkColorForBindings(const String& value) |
| { |
| if (auto* bodyElement = body()) |
| bodyElement->setAttributeWithoutSynchronization(linkAttr, value); |
| } |
| |
| const AtomicString& Document::vlinkColor() const |
| { |
| auto* bodyElement = body(); |
| if (!bodyElement) |
| return emptyAtom(); |
| return bodyElement->attributeWithoutSynchronization(vlinkAttr); |
| } |
| |
| void Document::setVlinkColor(const String& value) |
| { |
| if (auto* bodyElement = body()) |
| bodyElement->setAttributeWithoutSynchronization(vlinkAttr, value); |
| } |
| |
| Logger& Document::logger() |
| { |
| if (!m_logger) { |
| m_logger = Logger::create(this); |
| m_logger->setEnabled(this, sessionID().isAlwaysOnLoggingAllowed()); |
| m_logger->addObserver(*this); |
| } |
| |
| return *m_logger; |
| } |
| |
| void Document::hasStorageAccess(Ref<DeferredPromise>&& promise) |
| { |
| ASSERT(settings().storageAccessAPIEnabled()); |
| |
| #if HAVE(CFNETWORK_STORAGE_PARTITIONING) |
| if (hasFrameSpecificStorageAccess()) { |
| promise->resolve<IDLBoolean>(true); |
| return; |
| } |
| |
| if (!m_frame || securityOrigin().isUnique()) { |
| promise->resolve<IDLBoolean>(false); |
| return; |
| } |
| |
| if (m_frame->isMainFrame()) { |
| promise->resolve<IDLBoolean>(true); |
| return; |
| } |
| |
| auto& securityOrigin = this->securityOrigin(); |
| auto& topSecurityOrigin = topDocument().securityOrigin(); |
| if (securityOrigin.equal(&topSecurityOrigin)) { |
| promise->resolve<IDLBoolean>(true); |
| return; |
| } |
| |
| auto frameID = m_frame->loader().client().frameID(); |
| auto pageID = m_frame->loader().client().pageID(); |
| if (!frameID || !pageID) { |
| promise->reject(); |
| return; |
| } |
| |
| if (Page* page = this->page()) { |
| auto iframeHost = securityOrigin.host(); |
| auto topHost = topSecurityOrigin.host(); |
| page->chrome().client().hasStorageAccess(WTFMove(iframeHost), WTFMove(topHost), frameID.value(), pageID.value(), [documentReference = m_weakFactory.createWeakPtr(*this), promise = WTFMove(promise)] (bool hasAccess) { |
| Document* document = documentReference.get(); |
| if (!document) |
| return; |
| |
| promise->resolve<IDLBoolean>(hasAccess); |
| }); |
| return; |
| } |
| #endif |
| |
| promise->reject(); |
| } |
| |
| void Document::requestStorageAccess(Ref<DeferredPromise>&& promise) |
| { |
| ASSERT(settings().storageAccessAPIEnabled()); |
| |
| #if HAVE(CFNETWORK_STORAGE_PARTITIONING) |
| if (hasFrameSpecificStorageAccess()) { |
| promise->resolve(); |
| return; |
| } |
| |
| if (!m_frame || securityOrigin().isUnique()) { |
| promise->reject(); |
| return; |
| } |
| |
| if (m_frame->isMainFrame()) { |
| promise->resolve(); |
| return; |
| } |
| |
| auto& topDocument = this->topDocument(); |
| auto& topSecurityOrigin = topDocument.securityOrigin(); |
| auto& securityOrigin = this->securityOrigin(); |
| if (securityOrigin.equal(&topSecurityOrigin)) { |
| promise->resolve(); |
| return; |
| } |
| |
| // If there is a sandbox, it has to allow the storage access API to be called. |
| if (sandboxFlags() != SandboxNone && isSandboxed(SandboxStorageAccessByUserActivation)) { |
| promise->reject(); |
| return; |
| } |
| |
| // The iframe has to be a direct child of the top document. |
| if (&topDocument != parentDocument()) { |
| promise->reject(); |
| return; |
| } |
| |
| if (!UserGestureIndicator::processingUserGesture()) { |
| promise->reject(); |
| return; |
| } |
| |
| auto iframeHost = securityOrigin.host(); |
| auto topHost = topSecurityOrigin.host(); |
| |
| Page* page = this->page(); |
| auto frameID = m_frame->loader().client().frameID(); |
| auto pageID = m_frame->loader().client().pageID(); |
| if (!page || !frameID || !pageID) { |
| promise->reject(); |
| return; |
| } |
| |
| page->chrome().client().requestStorageAccess(WTFMove(iframeHost), WTFMove(topHost), frameID.value(), pageID.value(), [documentReference = m_weakFactory.createWeakPtr(*this), promise = WTFMove(promise)] (bool wasGranted) { |
| Document* document = documentReference.get(); |
| if (!document) |
| return; |
| |
| if (wasGranted) { |
| document->setHasFrameSpecificStorageAccess(true); |
| promise->resolve(); |
| } else |
| promise->reject(); |
| }); |
| #else |
| promise->reject(); |
| #endif |
| } |
| |
| #if HAVE(CFNETWORK_STORAGE_PARTITIONING) |
| bool Document::hasFrameSpecificStorageAccess() const |
| { |
| return m_frame->loader().client().hasFrameSpecificStorageAccess(); |
| } |
| |
| void Document::setHasFrameSpecificStorageAccess(bool value) |
| { |
| m_frame->loader().client().setHasFrameSpecificStorageAccess(value); |
| } |
| |
| bool Document::hasRequestedPageSpecificStorageAccessWithUserInteraction(const String& primaryDomain) |
| { |
| return m_primaryDomainRequestedPageSpecificStorageAccessWithUserInteraction == primaryDomain; |
| } |
| |
| void Document::setHasRequestedPageSpecificStorageAccessWithUserInteraction(const String& primaryDomain) |
| { |
| m_primaryDomainRequestedPageSpecificStorageAccessWithUserInteraction = primaryDomain; |
| } |
| |
| #endif |
| |
| void Document::setConsoleMessageListener(RefPtr<StringCallback>&& listener) |
| { |
| m_consoleMessageListener = listener; |
| } |
| |
| DocumentTimeline& Document::timeline() |
| { |
| if (!m_timeline) |
| m_timeline = DocumentTimeline::create(*this, page() ? page()->chrome().displayID() : 0); |
| |
| return *m_timeline; |
| } |
| |
| Vector<RefPtr<WebAnimation>> Document::getAnimations() |
| { |
| // FIXME: Filter and order the list as specified (webkit.org/b/179535). |
| |
| // For the list of animations to be current, we need to account for any pending CSS changes, |
| // such as updates to CSS Animations and CSS Transitions. |
| updateStyleIfNeeded(); |
| |
| Vector<RefPtr<WebAnimation>> animations; |
| if (m_timeline) { |
| for (auto& animation : m_timeline->animations()) { |
| if (animation->canBeListed() && is<KeyframeEffectReadOnly>(animation->effect())) { |
| if (auto* target = downcast<KeyframeEffectReadOnly>(animation->effect())->target()) { |
| if (target->isDescendantOf(this)) |
| animations.append(animation); |
| } |
| } |
| } |
| } |
| return animations; |
| } |
| |
| #if ENABLE(ATTACHMENT_ELEMENT) |
| |
| void Document::didInsertAttachmentElement(HTMLAttachmentElement& attachment) |
| { |
| auto identifier = attachment.uniqueIdentifier(); |
| if (identifier.isEmpty() || m_attachmentIdentifierToElementMap.contains(identifier)) { |
| identifier = createCanonicalUUIDString(); |
| attachment.setUniqueIdentifier(identifier); |
| } |
| |
| m_attachmentIdentifierToElementMap.set(identifier, attachment); |
| |
| if (frame()) |
| frame()->editor().didInsertAttachmentElement(attachment); |
| } |
| |
| void Document::didRemoveAttachmentElement(HTMLAttachmentElement& attachment) |
| { |
| auto identifier = attachment.uniqueIdentifier(); |
| if (!identifier) |
| return; |
| |
| m_attachmentIdentifierToElementMap.remove(identifier); |
| |
| if (frame()) |
| frame()->editor().didRemoveAttachmentElement(attachment); |
| } |
| |
| RefPtr<HTMLAttachmentElement> Document::attachmentForIdentifier(const String& identifier) const |
| { |
| return m_attachmentIdentifierToElementMap.get(identifier); |
| } |
| |
| #endif // ENABLE(ATTACHMENT_ELEMENT) |
| |
| static MessageSource messageSourceForWTFLogChannel(const WTFLogChannel& channel) |
| { |
| static const NeverDestroyed<String> mediaChannel = MAKE_STATIC_STRING_IMPL("media"); |
| static const NeverDestroyed<String> webrtcChannel = MAKE_STATIC_STRING_IMPL("webrtc"); |
| |
| if (equalIgnoringASCIICase(mediaChannel, channel.name)) |
| return MessageSource::Media; |
| |
| if (equalIgnoringASCIICase(webrtcChannel, channel.name)) |
| return MessageSource::WebRTC; |
| |
| ASSERT_NOT_REACHED(); |
| return MessageSource::Other; |
| } |
| |
| static MessageLevel messageLevelFromWTFLogLevel(WTFLogLevel level) |
| { |
| switch (level) { |
| case WTFLogLevelAlways: |
| return MessageLevel::Log; |
| case WTFLogLevelError: |
| return MessageLevel::Error; |
| break; |
| case WTFLogLevelWarning: |
| return MessageLevel::Warning; |
| break; |
| case WTFLogLevelInfo: |
| return MessageLevel::Info; |
| break; |
| case WTFLogLevelDebug: |
| return MessageLevel::Debug; |
| break; |
| } |
| |
| ASSERT_NOT_REACHED(); |
| return MessageLevel::Log; |
| } |
| |
| void Document::didLogMessage(const WTFLogChannel& channel, WTFLogLevel level, Vector<JSONLogValue>&& logMessages) |
| { |
| if (!page()) |
| return; |
| |
| ASSERT(sessionID().isAlwaysOnLoggingAllowed()); |
| |
| m_logMessageTaskQueue.enqueueTask([this, channel, level, logMessages = WTFMove(logMessages)]() mutable { |
| if (!page()) |
| return; |
| |
| auto messageSource = messageSourceForWTFLogChannel(channel); |
| auto messageLevel = messageLevelFromWTFLogLevel(level); |
| auto message = std::make_unique<Inspector::ConsoleMessage>(messageSource, MessageType::Log, messageLevel, WTFMove(logMessages), mainWorldExecState(frame())); |
| |
| addConsoleMessage(WTFMove(message)); |
| }); |
| } |
| |
| #if ENABLE(SERVICE_WORKER) |
| void Document::setServiceWorkerConnection(SWClientConnection* serviceWorkerConnection) |
| { |
| if (m_serviceWorkerConnection == serviceWorkerConnection || m_hasPreparedForDestruction || m_isSuspended) |
| return; |
| |
| if (m_serviceWorkerConnection) |
| m_serviceWorkerConnection->unregisterServiceWorkerClient(identifier()); |
| |
| m_serviceWorkerConnection = serviceWorkerConnection; |
| |
| if (!m_serviceWorkerConnection) |
| return; |
| |
| auto controllingServiceWorkerRegistrationIdentifier = activeServiceWorker() ? std::make_optional<ServiceWorkerRegistrationIdentifier>(activeServiceWorker()->registrationIdentifier()) : std::nullopt; |
| m_serviceWorkerConnection->registerServiceWorkerClient(topOrigin(), ServiceWorkerClientData::from(*this, *serviceWorkerConnection), controllingServiceWorkerRegistrationIdentifier); |
| } |
| #endif |
| |
| String Document::signedPublicKeyAndChallengeString(unsigned keySizeIndex, const String& challengeString, const URL& url) |
| { |
| Page* page = this->page(); |
| if (!page) |
| return emptyString(); |
| return page->chrome().client().signedPublicKeyAndChallengeString(keySizeIndex, challengeString, url); |
| } |
| |
| } // namespace WebCore |