/webview/native/Source/WebCore/dom/Document.cpp
C++ | 6127 lines | 4589 code | 989 blank | 549 comment | 1212 complexity | bd9f26ee639f73684538d18164e3df14 MD5 | raw file
Possible License(s): BSD-3-Clause, LGPL-2.1, GPL-2.0, LGPL-2.0
- /*
- * 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, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
- * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
- * Copyright (C) 2008, 2009, 2011 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 "AnimationController.h"
- #include "Attr.h"
- #include "Attribute.h"
- #include "CDATASection.h"
- #include "CSSParser.h"
- #include "CSSStyleDeclaration.h"
- #include "CSSStyleSheet.h"
- #include "CSSValueKeywords.h"
- #include "CachedCSSStyleSheet.h"
- #include "CachedResourceLoader.h"
- #include "Chrome.h"
- #include "ChromeClient.h"
- #include "Comment.h"
- #include "Console.h"
- #include "ContentSecurityPolicy.h"
- #include "ContextFeatures.h"
- #include "CookieJar.h"
- #include "DOMImplementation.h"
- #include "DOMSelection.h"
- #include "DOMWindow.h"
- #include "DateComponents.h"
- #include "DeviceMotionController.h"
- #include "DeviceMotionEvent.h"
- #include "DeviceOrientationController.h"
- #include "DeviceOrientationEvent.h"
- #include "DocumentEventQueue.h"
- #include "DocumentFragment.h"
- #include "DocumentLoader.h"
- #include "DocumentMarkerController.h"
- #include "DocumentType.h"
- #include "EditingText.h"
- #include "Editor.h"
- #include "Element.h"
- #include "ElementShadow.h"
- #include "EntityReference.h"
- #include "Event.h"
- #include "EventFactory.h"
- #include "EventHandler.h"
- #include "EventListener.h"
- #include "EventNames.h"
- #include "ExceptionCode.h"
- #include "FlowThreadController.h"
- #include "FocusController.h"
- #include "FormController.h"
- #include "Frame.h"
- #include "FrameLoader.h"
- #include "FrameLoaderClient.h"
- #include "FrameSelection.h"
- #include "FrameTree.h"
- #include "FrameView.h"
- #include "GeolocationController.h"
- #include "HashChangeEvent.h"
- #include "HistogramSupport.h"
- #include "History.h"
- #include "HTMLAllCollection.h"
- #include "HTMLAnchorElement.h"
- #include "HTMLBodyElement.h"
- #include "HTMLCanvasElement.h"
- #include "HTMLCollection.h"
- #include "HTMLDocument.h"
- #include "HTMLElementFactory.h"
- #include "HTMLFrameOwnerElement.h"
- #include "HTMLHeadElement.h"
- #include "HTMLIFrameElement.h"
- #include "HTMLLinkElement.h"
- #include "HTMLMapElement.h"
- #include "HTMLNameCollection.h"
- #include "HTMLNames.h"
- #include "HTMLParserIdioms.h"
- #include "HTMLStyleElement.h"
- #include "HTMLTitleElement.h"
- #include "HTTPParsers.h"
- #include "HitTestRequest.h"
- #include "HitTestResult.h"
- #include "ImageLoader.h"
- #include "InspectorCounters.h"
- #include "InspectorInstrumentation.h"
- #include "Logging.h"
- #include "MediaQueryList.h"
- #include "MediaQueryMatcher.h"
- #include "MemoryInstrumentation.h"
- #include "MouseEventWithHitTestResults.h"
- #include "NameNodeList.h"
- #include "NestingLevelIncrementer.h"
- #include "NewXMLDocumentParser.h"
- #include "NodeFilter.h"
- #include "NodeIterator.h"
- #include "NodeRareData.h"
- #include "NodeWithIndex.h"
- #include "Page.h"
- #include "PageGroup.h"
- #include "PageTransitionEvent.h"
- #include "PlatformKeyboardEvent.h"
- #include "PluginDocument.h"
- #include "PointerLockController.h"
- #include "PopStateEvent.h"
- #include "ProcessingInstruction.h"
- #include "RegisteredEventListener.h"
- #include "RenderArena.h"
- #include "RenderNamedFlowThread.h"
- #include "RenderTextControl.h"
- #include "RenderView.h"
- #include "RenderWidget.h"
- #include "SchemeRegistry.h"
- #include "ScopedEventQueue.h"
- #include "ScriptCallStack.h"
- #include "ScriptController.h"
- #include "ScriptElement.h"
- #include "ScriptEventListener.h"
- #include "ScriptRunner.h"
- #include "ScrollingCoordinator.h"
- #include "SecurityOrigin.h"
- #include "SecurityPolicy.h"
- #include "SegmentedString.h"
- #include "SelectorQuery.h"
- #include "Settings.h"
- #include "ShadowRoot.h"
- #include "StaticHashSetNodeList.h"
- #include "StyleResolver.h"
- #include "StyleSheetContents.h"
- #include "StyleSheetList.h"
- #include "TextResourceDecoder.h"
- #include "Timer.h"
- #include "TransformSource.h"
- #include "TreeWalker.h"
- #include "UndoManager.h"
- #include "UserContentURLPattern.h"
- #include "WebKitNamedFlow.h"
- #include "WebKitNamedFlowCollection.h"
- #include "XMLDocumentParser.h"
- #include "XMLHttpRequest.h"
- #include "XMLNSNames.h"
- #include "XMLNames.h"
- #include "XPathEvaluator.h"
- #include "XPathExpression.h"
- #include "XPathNSResolver.h"
- #include "XPathResult.h"
- #include "htmlediting.h"
- #include <wtf/CurrentTime.h>
- #include <wtf/HashFunctions.h>
- #include <wtf/MainThread.h>
- #include <wtf/PassRefPtr.h>
- #include <wtf/StdLibExtras.h>
- #include <wtf/text/StringBuffer.h>
- #if ENABLE(SHARED_WORKERS)
- #include "SharedWorkerRepository.h"
- #endif
- #if ENABLE(XSLT)
- #include "XSLTProcessor.h"
- #endif
- #if ENABLE(SVG)
- #include "SVGDocumentExtensions.h"
- #include "SVGElementFactory.h"
- #include "SVGNames.h"
- #include "SVGSVGElement.h"
- #include "SVGStyleElement.h"
- #endif
- #if ENABLE(TOUCH_EVENTS)
- #include "TouchList.h"
- #endif
- #if ENABLE(MATHML)
- #include "MathMLElement.h"
- #include "MathMLElementFactory.h"
- #include "MathMLNames.h"
- #endif
- #if ENABLE(FULLSCREEN_API)
- #include "RenderFullScreen.h"
- #endif
- #if ENABLE(REQUEST_ANIMATION_FRAME)
- #include "RequestAnimationFrameCallback.h"
- #include "ScriptedAnimationController.h"
- #endif
- #if ENABLE(MICRODATA)
- #include "MicroDataItemList.h"
- #include "NodeRareData.h"
- #endif
- #if ENABLE(LINK_PRERENDER)
- #include "Prerenderer.h"
- #endif
- #if ENABLE(TEXT_AUTOSIZING)
- #include "TextAutosizer.h"
- #endif
- using namespace std;
- using namespace WTF;
- using namespace Unicode;
- namespace WebCore {
- using namespace HTMLNames;
- // #define INSTRUMENT_LAYOUT_SCHEDULING 1
- static const unsigned cMaxWriteRecursionDepth = 21;
- // This amount of time must have elapsed before we will even consider scheduling a layout without a delay.
- // FIXME: For faster machines this value can really be lowered to 200. 250 is adequate, but a little high
- // for dual G5s. :)
- static const int cLayoutScheduleThreshold = 250;
- // 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
- const uint32_t nameStartMask = Letter_Lowercase | Letter_Uppercase | Letter_Other | Letter_Titlecase | Number_Letter;
- if (!(Unicode::category(c) & nameStartMask))
- return false;
- // rule (c) above
- if (c >= 0xF900 && c < 0xFFFE)
- return false;
- // rule (d) above
- DecompositionType decompType = decompositionType(c);
- if (decompType == DecompositionFont || decompType == DecompositionCompat)
- 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
- const uint32_t otherNamePartMask = Mark_NonSpacing | Mark_Enclosing | Mark_SpacingCombining | Letter_Modifier | Number_DecimalDigit;
- if (!(Unicode::category(c) & otherNamePartMask))
- return false;
- // rule (c) above
- if (c >= 0xF900 && c < 0xFFFE)
- return false;
- // rule (d) above
- DecompositionType decompType = decompositionType(c);
- if (decompType == DecompositionFont || decompType == DecompositionCompat)
- return false;
- return true;
- }
- static bool shouldInheritSecurityOriginFromOwner(const KURL& url)
- {
- // http://www.whatwg.org/specs/web-apps/current-work/#origin-0
- //
- // If a Document has the address "about:blank"
- // The origin of the Document is the origin it was assigned when its browsing context was created.
- //
- // Note: We generalize this to all "blank" URLs and invalid URLs because we
- // treat all of these URLs as about:blank.
- //
- return !url.isValid() || url.isBlankURL();
- }
- static Widget* widgetForNode(Node* focusedNode)
- {
- if (!focusedNode)
- return 0;
- RenderObject* renderer = focusedNode->renderer();
- if (!renderer || !renderer->isWidget())
- return 0;
- return toRenderWidget(renderer)->widget();
- }
- static bool acceptsEditingFocus(Node* node)
- {
- ASSERT(node);
- ASSERT(node->rendererIsEditable());
- Node* root = node->rootEditableElement();
- Frame* frame = node->document()->frame();
- if (!frame || !root)
- return false;
- return frame->editor()->shouldBeginEditing(rangeOfContents(root).get());
- }
- 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 KURL& activeURL)
- {
- // FIXME: this error message should contain more specifics of why the navigation change is not allowed.
- String message = "Unsafe JavaScript attempt to initiate a navigation change for frame with URL " +
- frame->document()->url().string() + " from frame with URL " + activeURL.string() + ".\n";
- // FIXME: should we print to the console of the document performing the navigation instead?
- frame->domWindow()->printErrorMessage(message);
- }
- static HashSet<Document*>* documentsThatNeedStyleRecalc = 0;
- class DocumentWeakReference : public ThreadSafeRefCounted<DocumentWeakReference> {
- public:
- static PassRefPtr<DocumentWeakReference> create(Document* document)
- {
- return adoptRef(new DocumentWeakReference(document));
- }
- Document* document()
- {
- ASSERT(isMainThread());
- return m_document;
- }
- void clear()
- {
- ASSERT(isMainThread());
- m_document = 0;
- }
- private:
- DocumentWeakReference(Document* document)
- : m_document(document)
- {
- ASSERT(isMainThread());
- }
- Document* m_document;
- };
- uint64_t Document::s_globalTreeVersion = 0;
- Document::Document(Frame* frame, const KURL& url, bool isXHTML, bool isHTML)
- : ContainerNode(0, CreateDocument)
- , TreeScope(this)
- , m_guardRefCount(0)
- , m_contextFeatures(ContextFeatures::defaultSwitch())
- , m_compatibilityMode(NoQuirksMode)
- , m_compatibilityModeLocked(false)
- , m_domTreeVersion(++s_globalTreeVersion)
- #if ENABLE(MUTATION_OBSERVERS)
- , m_mutationObserverTypes(0)
- #endif
- , m_styleSheets(StyleSheetList::create(this))
- , m_hadActiveLoadingStylesheet(false)
- , m_readyState(Complete)
- , m_styleRecalcTimer(this, &Document::styleRecalcTimerFired)
- , m_pendingStyleRecalcShouldForce(false)
- , m_frameElementsShouldIgnoreScrolling(false)
- , m_containsValidityStyleRules(false)
- , m_updateFocusAppearanceRestoresSelection(false)
- , m_ignoreDestructiveWriteCount(0)
- , m_titleSetExplicitly(false)
- , m_updateFocusAppearanceTimer(this, &Document::updateFocusAppearanceTimerFired)
- , m_loadEventFinished(false)
- , m_startTime(currentTime())
- , m_overMinimumLayoutThreshold(false)
- , m_scriptRunner(ScriptRunner::create(this))
- , m_xmlVersion("1.0")
- , m_xmlStandalone(StandaloneUnspecified)
- , m_hasXMLDeclaration(0)
- , m_savedRenderer(0)
- , m_designMode(inherit)
- #if ENABLE(DASHBOARD_SUPPORT)
- , m_hasDashboardRegions(false)
- , m_dashboardRegionsDirty(false)
- #endif
- , m_createRenderers(true)
- , m_inPageCache(false)
- , m_accessKeyMapValid(false)
- , m_useSecureKeyboardEntryWhenActive(false)
- , m_isXHTML(isXHTML)
- , m_isHTML(isHTML)
- , m_isViewSource(false)
- , m_sawElementsInKnownNamespaces(false)
- , m_isSrcdocDocument(false)
- , m_documentRareData(0)
- , m_eventQueue(DocumentEventQueue::create(this))
- , m_weakReference(DocumentWeakReference::create(this))
- , m_idAttributeName(idAttr)
- #if ENABLE(FULLSCREEN_API)
- , m_areKeysEnabledInFullScreen(0)
- , m_fullScreenRenderer(0)
- , m_fullScreenChangeDelayTimer(this, &Document::fullScreenChangeDelayTimerFired)
- , m_isAnimatingFullScreen(false)
- #endif
- , m_loadEventDelayCount(0)
- , m_loadEventDelayTimer(this, &Document::loadEventDelayTimerFired)
- , m_referrerPolicy(ReferrerPolicyDefault)
- , m_directionSetOnDocumentElement(false)
- , m_writingModeSetOnDocumentElement(false)
- , m_writeRecursionIsTooDeep(false)
- , m_writeRecursionDepth(0)
- , m_wheelEventHandlerCount(0)
- , m_touchEventHandlerCount(0)
- #if ENABLE(UNDO_MANAGER)
- , m_undoManager(0)
- #endif
- , m_pendingTasksTimer(this, &Document::pendingTasksTimerFired)
- , m_scheduledTasksAreSuspended(false)
- , m_visualUpdatesAllowed(true)
- , m_visualUpdatesSuppressionTimer(this, &Document::visualUpdatesSuppressionTimerFired)
- #ifndef NDEBUG
- , m_didDispatchViewportPropertiesChanged(false)
- #endif
- {
- m_document = this;
- m_pageGroupUserSheetCacheValid = false;
- m_printing = false;
- m_paginatedForScreen = false;
- m_ignoreAutofocus = false;
- m_frame = frame;
- if (m_frame)
- provideContextFeaturesToDocumentFrom(this, m_frame->page());
- // 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_axObjectCache = 0;
- m_markers = adoptPtr(new DocumentMarkerController);
- m_cachedResourceLoader = adoptPtr(new CachedResourceLoader(this));
- #if ENABLE(LINK_PRERENDER)
- m_prerenderer = Prerenderer::create(this);
- #endif
- #if ENABLE(TEXT_AUTOSIZING)
- m_textAutosizer = TextAutosizer::create(this);
- #endif
- m_visuallyOrdered = false;
- m_bParsing = false;
- m_wellFormed = false;
- m_textColor = Color::black;
- m_listenerTypes = 0;
- m_inStyleRecalc = false;
- m_closeAfterStyleRecalc = false;
- m_usesSiblingRules = false;
- m_usesSiblingRulesOverride = false;
- m_usesFirstLineRules = false;
- m_usesFirstLetterRules = false;
- m_usesBeforeAfterRules = false;
- m_usesBeforeAfterRulesOverride = false;
- m_usesRemUnits = false;
- m_usesLinkRules = false;
- m_gotoAnchorNeededAfterStylesheetsLoad = false;
- m_didCalculateStyleResolver = false;
- m_hasDirtyStyleResolver = false;
- m_pendingStylesheets = 0;
- m_ignorePendingStylesheets = false;
- m_hasNodesWithPlaceholderStyle = false;
- m_pendingSheetLayout = NoLayoutWithPendingSheets;
- m_cssTarget = 0;
- resetLinkColor();
- resetVisitedLinkColor();
- resetActiveLinkColor();
- m_processingLoadEvent = false;
-
- initSecurityContext();
- initDNSPrefetch();
- static int docID = 0;
- m_docID = docID++;
- for (unsigned i = 0; i < WTF_ARRAY_LENGTH(m_nodeListCounts); i++)
- m_nodeListCounts[i] = 0;
- for (unsigned i = 0; i < WTF_ARRAY_LENGTH(m_collections); i++)
- m_collections[i] = 0;
- InspectorCounters::incrementCounter(InspectorCounters::DocumentCounter);
- }
- static void histogramMutationEventUsage(const unsigned short& listenerTypes)
- {
- HistogramSupport::histogramEnumeration("DOMAPI.PerDocumentMutationEventUsage.DOMSubtreeModified", static_cast<bool>(listenerTypes & Document::DOMSUBTREEMODIFIED_LISTENER), 2);
- HistogramSupport::histogramEnumeration("DOMAPI.PerDocumentMutationEventUsage.DOMNodeInserted", static_cast<bool>(listenerTypes & Document::DOMNODEINSERTED_LISTENER), 2);
- HistogramSupport::histogramEnumeration("DOMAPI.PerDocumentMutationEventUsage.DOMNodeRemoved", static_cast<bool>(listenerTypes & Document::DOMNODEREMOVED_LISTENER), 2);
- HistogramSupport::histogramEnumeration("DOMAPI.PerDocumentMutationEventUsage.DOMNodeRemovedFromDocument", static_cast<bool>(listenerTypes & Document::DOMNODEREMOVEDFROMDOCUMENT_LISTENER), 2);
- HistogramSupport::histogramEnumeration("DOMAPI.PerDocumentMutationEventUsage.DOMNodeInsertedIntoDocument", static_cast<bool>(listenerTypes & Document::DOMNODEINSERTEDINTODOCUMENT_LISTENER), 2);
- HistogramSupport::histogramEnumeration("DOMAPI.PerDocumentMutationEventUsage.DOMCharacterDataModified", static_cast<bool>(listenerTypes & Document::DOMCHARACTERDATAMODIFIED_LISTENER), 2);
- }
- #if ENABLE(FULLSCREEN_API)
- static bool isAttributeOnAllOwners(const WebCore::QualifiedName& attribute, const HTMLFrameOwnerElement* owner)
- {
- if (!owner)
- return true;
- do {
- if (!owner->hasAttribute(attribute))
- return false;
- } while ((owner = owner->document()->ownerElement()));
- return true;
- }
- #endif
- Document::~Document()
- {
- ASSERT(!renderer());
- ASSERT(!m_inPageCache);
- ASSERT(!m_savedRenderer);
- ASSERT(m_ranges.isEmpty());
- ASSERT(!m_styleRecalcTimer.isActive());
- ASSERT(!m_parentTreeScope);
- ASSERT(!m_guardRefCount);
- m_scriptRunner.clear();
- histogramMutationEventUsage(m_listenerTypes);
- 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();
- m_renderArena.clear();
- clearAXObjectCache();
- m_decoder = 0;
- if (m_styleSheets)
- m_styleSheets->documentDestroyed();
- if (m_namedFlows)
- m_namedFlows->documentDestroyed();
- if (m_elemSheet)
- m_elemSheet->clearOwnerNode();
- if (m_pageUserSheet)
- m_pageUserSheet->clearOwnerNode();
- if (m_pageGroupUserSheets) {
- for (size_t i = 0; i < m_pageGroupUserSheets->size(); ++i)
- (*m_pageGroupUserSheets)[i]->clearOwnerNode();
- }
- if (m_userSheets) {
- for (size_t i = 0; i < m_userSheets->size(); ++i)
- (*m_userSheets)[i]->clearOwnerNode();
- }
- deleteCustomFonts();
- m_weakReference->clear();
- if (m_mediaQueryMatcher)
- m_mediaQueryMatcher->documentDestroyed();
- clearStyleResolver(); // We need to destory CSSFontSelector before destroying m_cachedResourceLoader.
- m_cachedResourceLoader.clear();
- #if ENABLE(UNDO_MANAGER)
- if (m_undoManager)
- m_undoManager->undoScopeHostDestroyed();
- #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();
- ASSERT(!m_listsInvalidatedAtDocument.size());
- for (unsigned i = 0; i < WTF_ARRAY_LENGTH(m_nodeListCounts); i++)
- ASSERT(!m_nodeListCounts[i]);
- for (unsigned i = 0; i < WTF_ARRAY_LENGTH(m_collections); i++)
- ASSERT(!m_collections[i]);
- m_document = 0;
- InspectorCounters::decrementCounter(InspectorCounters::DocumentCounter);
- }
- void Document::removedLastRef()
- {
- ASSERT(!m_deletionHasBegun);
- if (m_guardRefCount) {
- // If removing a child removes the last self-only ref, we don't
- // want the scope to be destructed until after
- // removeAllChildren returns, so we guard ourselves with an
- // extra self-only ref.
- guardRef();
- // We must make sure not to be retaining any of our children through
- // these extra pointers or we will create a reference cycle.
- m_docType = 0;
- m_focusedNode = 0;
- m_hoverNode = 0;
- m_activeNode = 0;
- m_titleElement = 0;
- m_documentElement = 0;
- m_contextFeatures = ContextFeatures::defaultSwitch();
- #if ENABLE(FULLSCREEN_API)
- m_fullScreenElement = 0;
- m_fullScreenElementStack.clear();
- #endif
- detachParser();
- // removeAllChildren() doesn't always unregister IDs,
- // so tear down scope information upfront to avoid having stale references in the map.
- destroyTreeScopeData();
- removeAllChildren();
- m_markers->detach();
- m_cssCanvasElements.clear();
- #if ENABLE(REQUEST_ANIMATION_FRAME)
- // FIXME: consider using ActiveDOMObject.
- if (m_scriptedAnimationController)
- m_scriptedAnimationController->clearDocumentPointer();
- m_scriptedAnimationController.clear();
- #endif
- #ifndef NDEBUG
- m_inRemovedLastRefFunction = false;
- #endif
- guardDeref();
- } else {
- #ifndef NDEBUG
- m_deletionHasBegun = true;
- #endif
- delete this;
- }
- }
- Element* Document::getElementById(const AtomicString& id) const
- {
- return TreeScope::getElementById(id);
- }
- Element* Document::getElementByAccessKey(const String& key)
- {
- if (key.isEmpty())
- return 0;
- if (!m_accessKeyMapValid) {
- buildAccessKeyMap(this);
- m_accessKeyMapValid = true;
- }
- return m_elementsByAccessKey.get(key.impl());
- }
- void Document::buildAccessKeyMap(TreeScope* scope)
- {
- ASSERT(scope);
- Node* rootNode = scope->rootNode();
- for (Node* node = rootNode; node; node = node->traverseNextNode(rootNode)) {
- if (!node->isElementNode())
- continue;
- Element* element = static_cast<Element*>(node);
- const AtomicString& accessKey = element->getAttribute(accesskeyAttr);
- if (!accessKey.isEmpty())
- m_elementsByAccessKey.set(accessKey.impl(), element);
- for (ShadowRoot* root = node->youngestShadowRoot(); root; root = root->olderShadowRoot())
- buildAccessKeyMap(root);
- }
- }
- void Document::invalidateAccessKeyMap()
- {
- m_accessKeyMapValid = false;
- m_elementsByAccessKey.clear();
- }
- SelectorQueryCache* Document::selectorQueryCache()
- {
- if (!m_selectorQueryCache)
- m_selectorQueryCache = adoptPtr(new SelectorQueryCache());
- return m_selectorQueryCache.get();
- }
- MediaQueryMatcher* Document::mediaQueryMatcher()
- {
- if (!m_mediaQueryMatcher)
- m_mediaQueryMatcher = MediaQueryMatcher::create(this);
- return m_mediaQueryMatcher.get();
- }
- void Document::setCompatibilityMode(CompatibilityMode mode)
- {
- if (m_compatibilityModeLocked || mode == m_compatibilityMode)
- return;
- ASSERT(!m_styleSheets->length());
- bool wasInQuirksMode = inQuirksMode();
- m_compatibilityMode = mode;
- selectorQueryCache()->invalidate();
- if (inQuirksMode() != wasInQuirksMode) {
- // All user stylesheets have to reparse using the different mode.
- clearPageUserSheet();
- clearPageGroupUserSheets();
- }
- }
- String Document::compatMode() const
- {
- return inQuirksMode() ? "BackCompat" : "CSS1Compat";
- }
- void Document::resetLinkColor()
- {
- m_linkColor = Color(0, 0, 238);
- }
- void Document::resetVisitedLinkColor()
- {
- m_visitedLinkColor = Color(85, 26, 139);
- }
- void Document::resetActiveLinkColor()
- {
- m_activeLinkColor.setNamedColor("red");
- }
- void Document::setDocType(PassRefPtr<DocumentType> docType)
- {
- // This should never be called more than once.
- ASSERT(!m_docType || !docType);
- m_docType = docType;
- if (m_docType) {
- this->adoptIfNeeded(m_docType.get());
- #if ENABLE(LEGACY_VIEWPORT_ADAPTION)
- if (m_docType->publicId().startsWith("-//wapforum//dtd xhtml mobile 1.", /* caseSensitive */ false))
- processViewport("width=device-width, height=device-height", ViewportArguments::XHTMLMobileProfile);
- #endif
- }
- // Doctype affects the interpretation of the stylesheets.
- clearStyleResolver();
- }
- DOMImplementation* Document::implementation()
- {
- if (!m_implementation)
- m_implementation = DOMImplementation::create(this);
- return m_implementation.get();
- }
- void Document::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
- {
- ContainerNode::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
-
- Element* newDocumentElement = firstElementChild(this);
- if (newDocumentElement == m_documentElement)
- return;
- m_documentElement = newDocumentElement;
- // The root style used for media query matching depends on the document element.
- clearStyleResolver();
- }
- PassRefPtr<Element> Document::createElement(const AtomicString& name, ExceptionCode& ec)
- {
- if (!isValidName(name)) {
- ec = INVALID_CHARACTER_ERR;
- return 0;
- }
- if (m_isXHTML)
- return HTMLElementFactory::createHTMLElement(QualifiedName(nullAtom, name, xhtmlNamespaceURI), this, 0, false);
- return createElement(QualifiedName(nullAtom, name, nullAtom), false);
- }
- PassRefPtr<DocumentFragment> Document::createDocumentFragment()
- {
- return DocumentFragment::create(document());
- }
- PassRefPtr<Text> Document::createTextNode(const String& data)
- {
- return Text::create(this, data);
- }
- PassRefPtr<Comment> Document::createComment(const String& data)
- {
- return Comment::create(this, data);
- }
- PassRefPtr<CDATASection> Document::createCDATASection(const String& data, ExceptionCode& ec)
- {
- if (isHTMLDocument()) {
- ec = NOT_SUPPORTED_ERR;
- return 0;
- }
- return CDATASection::create(this, data);
- }
- PassRefPtr<ProcessingInstruction> Document::createProcessingInstruction(const String& target, const String& data, ExceptionCode& ec)
- {
- if (!isValidName(target)) {
- ec = INVALID_CHARACTER_ERR;
- return 0;
- }
- if (isHTMLDocument()) {
- ec = NOT_SUPPORTED_ERR;
- return 0;
- }
- return ProcessingInstruction::create(this, target, data);
- }
- PassRefPtr<EntityReference> Document::createEntityReference(const String& name, ExceptionCode& ec)
- {
- if (!isValidName(name)) {
- ec = INVALID_CHARACTER_ERR;
- return 0;
- }
- if (isHTMLDocument()) {
- ec = NOT_SUPPORTED_ERR;
- return 0;
- }
- return EntityReference::create(this, name);
- }
- PassRefPtr<EditingText> Document::createEditingTextNode(const String& text)
- {
- return EditingText::create(this, text);
- }
- PassRefPtr<CSSStyleDeclaration> Document::createCSSStyleDeclaration()
- {
- return StylePropertySet::create()->ensureCSSStyleDeclaration();
- }
- PassRefPtr<Node> Document::importNode(Node* importedNode, bool deep, ExceptionCode& ec)
- {
- ec = 0;
-
- if (!importedNode) {
- ec = NOT_SUPPORTED_ERR;
- return 0;
- }
- switch (importedNode->nodeType()) {
- case TEXT_NODE:
- return createTextNode(importedNode->nodeValue());
- case CDATA_SECTION_NODE:
- return createCDATASection(importedNode->nodeValue(), ec);
- case ENTITY_REFERENCE_NODE:
- return createEntityReference(importedNode->nodeName(), ec);
- case PROCESSING_INSTRUCTION_NODE:
- return createProcessingInstruction(importedNode->nodeName(), importedNode->nodeValue(), ec);
- case COMMENT_NODE:
- return createComment(importedNode->nodeValue());
- case ELEMENT_NODE: {
- Element* oldElement = static_cast<Element*>(importedNode);
- // FIXME: The following check might be unnecessary. Is it possible that
- // oldElement has mismatched prefix/namespace?
- if (!hasValidNamespaceForElements(oldElement->tagQName())) {
- ec = NAMESPACE_ERR;
- return 0;
- }
- RefPtr<Element> newElement = createElement(oldElement->tagQName(), ec);
- if (ec)
- return 0;
- newElement->cloneDataFromElement(*oldElement);
- if (deep) {
- for (Node* oldChild = oldElement->firstChild(); oldChild; oldChild = oldChild->nextSibling()) {
- RefPtr<Node> newChild = importNode(oldChild, true, ec);
- if (ec)
- return 0;
- newElement->appendChild(newChild.release(), ec);
- if (ec)
- return 0;
- }
- }
- return newElement.release();
- }
- case ATTRIBUTE_NODE:
- return Attr::create(this, QualifiedName(nullAtom, static_cast<Attr*>(importedNode)->name(), nullAtom), static_cast<Attr*>(importedNode)->value());
- case DOCUMENT_FRAGMENT_NODE: {
- if (importedNode->isShadowRoot()) {
- // ShadowRoot nodes should not be explicitly importable.
- // Either they are imported along with their host node, or created implicitly.
- break;
- }
- DocumentFragment* oldFragment = static_cast<DocumentFragment*>(importedNode);
- RefPtr<DocumentFragment> newFragment = createDocumentFragment();
- if (deep) {
- for (Node* oldChild = oldFragment->firstChild(); oldChild; oldChild = oldChild->nextSibling()) {
- RefPtr<Node> newChild = importNode(oldChild, true, ec);
- if (ec)
- return 0;
- newFragment->appendChild(newChild.release(), ec);
- if (ec)
- return 0;
- }
- }
-
- return newFragment.release();
- }
- case ENTITY_NODE:
- case NOTATION_NODE:
- // FIXME: It should be possible to import these node types, however in DOM3 the DocumentType is readonly, so there isn't much sense in doing that.
- // Ability to add these imported nodes to a DocumentType will be considered for addition to a future release of the DOM.
- case DOCUMENT_NODE:
- case DOCUMENT_TYPE_NODE:
- case XPATH_NAMESPACE_NODE:
- break;
- }
- ec = NOT_SUPPORTED_ERR;
- return 0;
- }
- PassRefPtr<Node> Document::adoptNode(PassRefPtr<Node> source, ExceptionCode& ec)
- {
- if (!source) {
- ec = NOT_SUPPORTED_ERR;
- return 0;
- }
- if (source->isReadOnlyNode()) {
- ec = NO_MODIFICATION_ALLOWED_ERR;
- return 0;
- }
- EventQueueScope scope;
- switch (source->nodeType()) {
- case ENTITY_NODE:
- case NOTATION_NODE:
- case DOCUMENT_NODE:
- case DOCUMENT_TYPE_NODE:
- case XPATH_NAMESPACE_NODE:
- ec = NOT_SUPPORTED_ERR;
- return 0;
- case ATTRIBUTE_NODE: {
- Attr* attr = static_cast<Attr*>(source.get());
- if (attr->ownerElement())
- attr->ownerElement()->removeAttributeNode(attr, ec);
- attr->setSpecified(true);
- break;
- }
- default:
- if (source->isShadowRoot()) {
- // ShadowRoot cannot disconnect itself from the host node.
- ec = HIERARCHY_REQUEST_ERR;
- return 0;
- }
- // FIXME: What about <frame> and <object>?
- if (source->hasTagName(iframeTag)) {
- HTMLIFrameElement* iframe = static_cast<HTMLIFrameElement*>(source.get());
- if (frame() && frame()->tree()->isDescendantOf(iframe->contentFrame())) {
- ec = HIERARCHY_REQUEST_ERR;
- return 0;
- }
- }
- if (source->parentNode())
- source->parentNode()->removeChild(source.get(), ec);
- }
- this->adoptIfNeeded(source.get());
- return 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")
- if ((qName.prefix() == xmlnsAtom && qName.namespaceURI() != XMLNSNames::xmlnsNamespaceURI) || (qName.prefix() != xmlnsAtom && qName.namespaceURI() == XMLNSNames::xmlnsNamespaceURI))
- return false;
- return true;
- }
- bool Document::hasValidNamespaceForAttributes(const QualifiedName& qName)
- {
- // Spec: DOM Level 2 Core: http://www.w3.org/TR/DOM-Level-2-Core/core.html#ID-ElSetAttrNS
- if (qName.prefix().isEmpty() && qName.localName() == xmlnsAtom) {
- // Note: The case of an "xmlns" qualified name with a namespace of
- // xmlnsNamespaceURI is specifically allowed (See <http://www.w3.org/2000/xmlns/>).
- return qName.namespaceURI() == XMLNSNames::xmlnsNamespaceURI;
- }
- return hasValidNamespaceForElements(qName);
- }
- // FIXME: This should really be in a possible ElementFactory class
- PassRefPtr<Element> Document::createElement(const QualifiedName& qName, bool createdByParser)
- {
- RefPtr<Element> e;
- // FIXME: Use registered namespaces and look up in a hash to find the right factory.
- if (qName.namespaceURI() == xhtmlNamespaceURI)
- e = HTMLElementFactory::createHTMLElement(qName, this, 0, createdByParser);
- #if ENABLE(SVG)
- else if (qName.namespaceURI() == SVGNames::svgNamespaceURI)
- e = SVGElementFactory::createSVGElement(qName, this, createdByParser);
- #endif
- #if ENABLE(MATHML)
- else if (qName.namespaceURI() == MathMLNames::mathmlNamespaceURI)
- e = MathMLElementFactory::createMathMLElement(qName, this, createdByParser);
- #endif
- if (e)
- m_sawElementsInKnownNamespaces = true;
- else
- e = Element::create(qName, document());
- // <image> uses imgTag so we need a special rule.
- ASSERT((qName.matches(imageTag) && e->tagQName().matches(imgTag) && e->tagQName().prefix() == qName.prefix()) || qName == e->tagQName());
- return e.release();
- }
- bool Document::regionBasedColumnsEnabled() const
- {
- return settings() && settings()->regionBasedColumnsEnabled();
- }
- bool Document::cssRegionsEnabled() const
- {
- return settings() && settings()->cssRegionsEnabled();
- }
- bool Document::cssGridLayoutEnabled() const
- {
- return settings() && settings()->cssGridLayoutEnabled();
- }
- #if ENABLE(CSS_REGIONS)
- PassRefPtr<WebKitNamedFlow> Document::webkitGetFlowByName(const String& flowName)
- {
- if (!cssRegionsEnabled() || !renderer())
- return 0;
- // It's possible to have pending styles not applied that affect the existing flows.
- updateStyleIfNeeded();
- return namedFlows()->flowByName(flowName);
- }
- #endif
- WebKitNamedFlowCollection* Document::namedFlows()
- {
- if (!m_namedFlows)
- m_namedFlows = WebKitNamedFlowCollection::create(this);
- return m_namedFlows.get();
- }
- PassRefPtr<Element> Document::createElementNS(const String& namespaceURI, const String& qualifiedName, ExceptionCode& ec)
- {
- String prefix, localName;
- if (!parseQualifiedName(qualifiedName, prefix, localName, ec))
- return 0;
- QualifiedName qName(prefix, localName, namespaceURI);
- if (!hasValidNamespaceForElements(qName)) {
- ec = NAMESPACE_ERR;
- return 0;
- }
- return createElement(qName, false);
- }
- String Document::readyState() const
- {
- DEFINE_STATIC_LOCAL(const String, loading, ("loading"));
- DEFINE_STATIC_LOCAL(const String, interactive, ("interactive"));
- DEFINE_STATIC_LOCAL(const String, complete, ("complete"));
- switch (m_readyState) {
- case Loading:
- return loading;
- case Interactive:
- return interactive;
- case Complete:
- return complete;
- }
- ASSERT_NOT_REACHED();
- return String();
- }
- void Document::setReadyState(ReadyState readyState)
- {
- if (readyState == m_readyState)
- return;
- switch (readyState) {
- case Loading:
- if (!m_documentTiming.domLoading)
- m_documentTiming.domLoading = monotonicallyIncreasingTime();
- break;
- case Interactive:
- if (!m_documentTiming.domInteractive)
- m_documentTiming.domInteractive = monotonicallyIncreasingTime();
- break;
- case Complete:
- if (!m_documentTiming.domComplete)
- m_documentTiming.domComplete = monotonicallyIncreasingTime();
- break;
- }
- m_readyState = readyState;
- dispatchEvent(Event::create(eventNames().readystatechangeEvent, false, false));
-
- if (settings() && settings()->suppressesIncrementalRendering())
- setVisualUpdatesAllowed(readyState);
- }
- void Document::setVisualUpdatesAllowed(ReadyState readyState)
- {
- ASSERT(settings() && settings()->suppressesIncrementalRendering());
- switch (readyState) {
- case Loading:
- ASSERT(!m_visualUpdatesSuppressionTimer.isActive());
- ASSERT(m_visualUpdatesAllowed);
- m_visualUpdatesSuppressionTimer.startOneShot(settings()->incrementalRenderingSuppressionTimeoutInSeconds());
- setVisualUpdatesAllowed(false);
- break;
- case Interactive:
- ASSERT(m_visualUpdatesSuppressionTimer.isActive() || m_visualUpdatesAllowed);
- break;
- case Complete:
- if (m_visualUpdatesSuppressionTimer.isActive()) {
- ASSERT(!m_visualUpdatesAllowed);
- m_visualUpdatesSuppressionTimer.stop();
- setVisualUpdatesAllowed(true);
- } else
- ASSERT(m_visualUpdatesAllowed);
- break;
- }
- }
-
- void Document::setVisualUpdatesAllowed(bool visualUpdatesAllowed)
- {
- if (m_visualUpdatesAllowed == visualUpdatesAllowed)
- return;
- m_visualUpdatesAllowed = visualUpdatesAllowed;
- if (!visualUpdatesAllowed)
- return;
- #if USE(ACCELERATED_COMPOSITING)
- if (view())
- view()->updateCompositingLayersAfterLayout();
- #endif
- if (renderer())
- renderer()->repaint();
- }
- void Document::visualUpdatesSuppressionTimerFired(Timer<Document>*)
- {
- ASSERT(!m_visualUpdatesAllowed);
- setVisualUpdatesAllowed(true);
- }
- String Document::encoding() const
- {
- if (TextResourceDecoder* d = decoder())
- return d->encoding().domName();
- return String();
- }
- String Document::defaultCharset() const
- {
- if (Settings* settings = this->settings())
- return settings->defaultTextEncodingName();
- return String();
- }
- 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.
- styleResolverChanged(DeferRecalcStyle);
- }
- void Document::setXMLVersion(const String& version, ExceptionCode& ec)
- {
- if (!implementation()->hasFeature("XML", String())) {
- ec = NOT_SUPPORTED_ERR;
- return;
- }
- if (!XMLDocumentParser::supportsXMLVersion(version)) {
- ec = NOT_SUPPORTED_ERR;
- return;
- }
- m_xmlVersion = version;
- }
- void Document::setXMLStandalone(bool standalone, ExceptionCode& ec)
- {
- if (!implementation()->hasFeature("XML", String())) {
- ec = NOT_SUPPORTED_ERR;
- return;
- }
- 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();
- }
- KURL Document::baseURI() const
- {
- return m_baseURL;
- }
- void Document::setContent(const String& content)
- {
- open();
- m_parser->append(content);
- close();
- }
- String Document::suggestedMIMEType() const
- {
- if (m_document->isXHTMLDocument())
- return "application/xhtml+xml";
- if (m_document->isSVGDocument())
- return "image/svg+xml";
- if (m_document->xmlStandalone())
- return "text/xml";
- if (m_document->isHTMLDocument())
- return "text/html";
- if (DocumentLoader* documentLoader = loader())
- return documentLoader->responseMIMEType();
- return String();
- }
- // FIXME: We need to discuss the DOM API here at some point. Ideas:
- // * making it receive a rect as parameter, i.e. nodesFromRect(x, y, w, h);
- // * making it receive the expading size of each direction separately,
- // i.e. nodesFromRect(x, y, topSize, rightSize, bottomSize, leftSize);
- PassRefPtr<NodeList> Document::nodesFromRect(int centerX, int centerY, unsigned topPadding, unsigned rightPadding, unsigned bottomPadding, unsigned leftPadding, bool ignoreClipping, bool allowShadowContent) const
- {
- // FIXME: Share code between this, elementFromPoint and caretRangeFromPoint.
- if (!renderer())
- return 0;
- Frame* frame = this->frame();
- if (!frame)
- return 0;
- FrameView* frameView = frame->view();
- if (!frameView)
- return 0;
- float zoomFactor = frame->pageZoomFactor();
- LayoutPoint point = roundedLayoutPoint(FloatPoint(centerX * zoomFactor + view()->scrollX(), centerY * zoomFactor + view()->scrollY()));
- int type = HitTestRequest::ReadOnly | HitTestRequest::Active;
- // When ignoreClipping is false, this method returns null for coordinates outside of the viewport.
- if (ignoreClipping)
- type |= HitTestRequest::IgnoreClipping;
- else if (!frameView->visibleContentRect().intersects(HitTestResult::rectForPoint(point, topPadding, rightPadding, bottomPadding, leftPadding)))
- return 0;
- HitTestRequest request(type);
- // Passing a zero padding will trigger a rect hit test, however for the purposes of nodesFromRect,
- // we special handle this case in order to return a valid NodeList.
- if (!topPadding && !rightPadding && !bottomPadding && !leftPadding) {
- HitTestResult result(point);
- return handleZeroPadding(request, result);
- }
- enum ShadowContentFilterPolicy shadowContentFilterPolicy = allowShadowContent ? AllowShadowContent : DoNotAllowShadowContent;
- HitTestResult result(point, topPadding, rightPadding, bottomPadding, leftPadding, shadowContentFilterPolicy);
- renderView()->hitTest(request, result);
- return StaticHashSetNodeList::adopt(result.rectBasedTestResult());
- }
- PassRefPtr<NodeList> Document::handleZeroPadding(const HitTestRequest& request, HitTestResult& result) const
- {
- renderView()->hitTest(request, result);
- Node* node = result.innerNode();
- if (!node)
- return 0;
- node = node->shadowAncestorNode();
- ListHashSet<RefPtr<Node> > list;
- list.add(node);
- return StaticHashSetNodeList::adopt(list);
- }
- static Node* nodeFromPoint(Frame* frame, RenderView* renderView, int x, int y, LayoutPoint* localPoint = 0)
- {
- if (!frame)
- return 0;
- FrameView* frameView = frame->view();
- if (!frameView)
- return 0;
- float zoomFactor = frame->pageZoomFactor();
- IntPoint point = roundedIntPoint(FloatPoint(x * zoomFactor + frameView->scrollX(), y * zoomFactor + frameView->scrollY()));
- if (!frameView->visibleContentRect().contains(point))
- return 0;
- HitTestRequest request(HitTestRequest::ReadOnly | HitTestRequest::Active);
- HitTestResult result(point);
- renderView->hitTest(request, result);
- if (localPoint)
- *localPoint = result.localPoint();
- return result.innerNode();
- }
- Element* Document::elementFromPoint(int x, int y) const
- {
- if (!renderer())
- return 0;
- Node* node = nodeFromPoint(frame(), renderView(), x, y);
- while (node && !node->isElementNode())
- node = node->parentNode();
- if (node)
- node = ancestorInThisScope(node);
- return static_cast<Element*>(node);
- }
- PassRefPtr<Range> Document::caretRangeFromPoint(int x, int y)
- {
- if (!renderer())
- return 0;
- LayoutPoint localPoint;
- Node* node = nodeFromPoint(frame(), renderView(), x, y, &localPoint);
- if (!node)
- return 0;
- Node* shadowAncestorNode = ancestorInThisScope(node);
- if (shadowAncestorNode != node) {
- unsigned offset = shadowAncestorNode->nodeIndex();
- ContainerNode* container = shadowAncestorNode->parentNode();
- return Range::create(this, container, offset, container, offset);
- }
- RenderObject* renderer = node->renderer();
- if (!renderer)
- return 0;
- VisiblePosition visiblePosition = renderer->positionForPoint(localPoint);
- if (visiblePosition.isNull())
- return 0;
- Position rangeCompliantPosition = visiblePosition.deepEquivalent().parentAnchoredEquivalent();
- return Range::create(this, rangeCompliantPosition, rangeCompliantPosition);
- }
- /*
- * Performs three operations:
- * 1. Convert control characters to spaces
- * 2. Trim leading and trailing spaces
- * 3. Collapse internal whitespace.
- */
- static inline StringWithDirection canonicalizedTitle(Document* document, const StringWithDirection& titleWithDirection)
- {
- const String& title = titleWithDirection.string();
- const UChar* characters = title.characters();
- unsigned length = title.length();
- unsigned i;
- StringBuffer<UChar> buffer(length);
- unsigned builderIndex = 0;
- // Skip leading spaces and leading characters that would convert to spaces
- for (i = 0; i < length; ++i) {
- UChar c = characters[i];
- if (!(c <= 0x20 || c == 0x7F))
- break;
- }
- if (i == length)
- return StringWithDirection();
- // Replace control characters with spaces, and backslashes with currency symbols, and collapse whitespace.
- bool previousCharWasWS = false;
- for (; i < length; ++i) {
- UChar c = characters[i];
- if (c <= 0x20 || c == 0x7F || (WTF::Unicode::category(c) & (WTF::Unicode::Separator_Line | WTF::Unicode::Separator_Paragraph))) {
- if (previousCharWasWS)
- continue;
- buffer[builderIndex++] = ' ';
- previousCharWasWS = true;
- } else {
- buffer[builderIndex++] = c;
- previousCharWasWS = false;
- }
- }
- // Strip trailing spaces
- while (builderIndex > 0) {
- --builderIndex;
- if (buffer[builderIndex] != ' ')
- break;
- }
- if (!builderIndex && buffer[builderIndex] == ' ')
- return StringWithDirection();
- buffer.shrink(builderIndex + 1);
- // Replace the backslashes with currency symbols if the encoding requires it.
- document->displayBufferModifiedByEncoding(buffer.characters(), buffer.length());
-
- return StringWithDirection(String::adopt(buffer), titleWithDirection.direction());
- }
- void Document::updateTitle(const StringWithDirection& title)
- {
- if (m_rawTitle == title)
- return;
- m_rawTitle = title;
- m_title = canonicalizedTitle(this, m_rawTitle);
- if (Frame* f = frame())
- f->loader()->setTitle(m_title);
- }
- void Document::setTitle(const String& title)
- {
- // Title set by JavaScript -- overrides any title elements.
- m_titleSetExplicitly = true;
- if (!isHTMLDocument() && !isXHTMLDocument())
- m_titleElement = 0;
- else if (!m_titleElement) {
- if (HTMLElement* headElement = head()) {
- m_titleElement = createElement(titleTag, false);
- ExceptionCode ec = 0;
- headElement->appendChild(m_titleElement, ec);
- ASSERT(!ec);
- }
- }
- // The DOM API has no method of specifying direction, so assume LTR.
- updateTitle(StringWithDirection(title, LTR));
- if (m_titleElement) {
- ASSERT(m_titleElement->hasTagName(titleTag));
- if (m_titleElement->hasTagName(titleTag))
- static_cast<HTMLTitleElement*>(m_titleElement.get())->setText(title);
- }
- }
- void Document::setTitleElement(const StringWithDirection& title, Element* titleElement)
- {
- if (titleElement != m_titleElement) {
- if (m_titleElement || m_titleSetExplicitly)
- // Only allow the first title element to change the title -- others have no effect.
- return;
- m_titleElement = titleElement;
- }
- updateTitle(title);
- }
- void Document::removeTitle(Element* titleElement)
- {
- if (m_titleElement != titleElement)
- return;
- m_titleElement = 0;
- m_titleSetExplicitly = false;
- // Update title based on first title element in the head, if one exists.
- if (HTMLElement* headElement = head()) {
- for (Node* e = headElement->firstChild(); e; e = e->nextSibling())
- if (e->hasTagName(titleTag)) {
- HTMLTitleElement* titleElement = static_cast<HTMLTitleElement*>(e);
- setTitleElement(titleElement->textWithDirection(), titleElement);
- break;
- }
- }
- if (!m_titleElement)
- updateTitle(StringWithDirection());
- }
- #if ENABLE(PAGE_VISIBILITY_API)
- PageVisibilityState 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 visible i.e. invisibility has to be explicitly
- // specified by the embedder.
- if (!m_frame || !m_frame->page())
- return PageVisibilityStateVisible;
- return m_frame->page()->visibilityState();
- }
- String Document::webkitVisibilityState() const
- {
- return pageVisibilityStateString(visibilityState());
- }
- bool Document::webkitHidden() const
- {
- return visibilityState() != PageVisibilityStateVisible;
- }
- void Document::dispatchVisibilityStateChangeEvent()
- {
- dispatchEvent(Event::create(eventNames().webkitvisibilitychangeEvent, false, false));
- }
- #endif
- String Document::nodeName() const
- {
- return "#document";
- }
- Node::NodeType Document::nodeType() const
- {
- return DOCUMENT_NODE;
- }
- FormController* Document::formController()
- {
- if (!m_formController)
- m_formController = FormController::create();
- return m_formController.get();
- }
- 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() : 0;
- }
- Page* Document::page() const
- {
- return m_frame ? m_frame->page() : 0;
- }
- Settings* Document::settings() const
- {
- return m_frame ? m_frame->settings() : 0;
- }
- PassRefPtr<Range> Document::createRange()
- {
- return Range::create(this);
- }
- PassRefPtr<NodeIterator> Document::createNodeIterator(Node* root, unsigned whatToShow,
- PassRefPtr<NodeFilter> filter, bool expandEntityReferences, ExceptionCode& ec)
- {
- if (!root) {
- ec = NOT_SUPPORTED_ERR;
- return 0;
- }
- return NodeIterator::create(root, whatToShow, filter, expandEntityReferences);
- }
- PassRefPtr<TreeWalker> Document::createTreeWalker(Node* root, unsigned whatToShow,
- PassRefPtr<NodeFilter> filter, bool expandEntityReferences, ExceptionCode& ec)
- {
- if (!root) {
- ec = NOT_SUPPORTED_ERR;
- return 0;
- }
- return TreeWalker::create(root, whatToShow, filter, expandEntityReferences);
- }
- void Document::scheduleForcedStyleRecalc()
- {
- m_pendingStyleRecalcShouldForce = true;
- scheduleStyleRecalc();
- }
- void Document::scheduleStyleRecalc()
- {
- if (shouldDisplaySeamlesslyWithParent()) {
- // When we're seamless, our parent document manages our style recalcs.
- ownerElement()->setNeedsStyleRecalc();
- ownerElement()->document()->scheduleStyleRecalc();
- return;
- }
- if (m_styleRecalcTimer.isActive() || inPageCache())
- return;
- ASSERT(childNeedsStyleRecalc() || m_pendingStyleRecalcShouldForce);
- if (!documentsThatNeedStyleRecalc)
- documentsThatNeedStyleRecalc = new HashSet<Document*>;
- documentsThatNeedStyleRecalc->add(this);
-
- // FIXME: Why on earth is this here? This is clearly misplaced.
- invalidateAccessKeyMap();
-
- m_styleRecalcTimer.startOneShot(0);
- InspectorInstrumentation::didScheduleStyleRecalculation(this);
- }
- void Document::unscheduleStyleRecalc()
- {
- ASSERT(!childNeedsStyleRecalc());
- if (documentsThatNeedStyleRecalc)
- documentsThatNeedStyleRecalc->remove(this);
- m_styleRecalcTimer.stop();
- m_pendingStyleRecalcShouldForce = false;
- }
- bool Document::isPendingStyleRecalc() const
- {
- return m_styleRecalcTimer.isActive() && !m_inStyleRecalc;
- }
- void Document::styleRecalcTimerFired(Timer<Document>*)
- {
- updateStyleIfNeeded();
- }
- bool Document::childNeedsAndNotInStyleRecalc()
- {
- return childNeedsStyleRecalc() && !m_inStyleRecalc;
- }
- void Document::recalcStyle(StyleChange change)
- {
- // we should not enter style recalc while painting
- if (view() && view()->isPainting()) {
- ASSERT(!view()->isPainting());
- return;
- }
-
- if (m_inStyleRecalc)
- return; // Guard against re-entrancy. -dwh
- // 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.
- if (m_hasDirtyStyleResolver)
- updateActiveStylesheets(RecalcStyleImmediately);
- InspectorInstrumentationCookie cookie = InspectorInstrumentation::willRecalculateStyle(this);
- if (m_elemSheet && m_elemSheet->contents()->usesRemUnits())
- m_usesRemUnits = true;
- m_inStyleRecalc = true;
- suspendPostAttachCallbacks();
- RenderWidget::suspendWidgetHierarchyUpdates();
-
- RefPtr<FrameView> frameView = view();
- if (frameView) {
- frameView->pauseScheduledEvents();
- frameView->beginDeferredRepaints();
- }
- ASSERT(!renderer() || renderArena());
- if (!renderer() || !renderArena())
- goto bail_out;
- if (m_pendingStyleRecalcShouldForce)
- change = Force;
- // Recalculating the root style (on the document) is not needed in the common case.
- if ((change == Force) || (shouldDisplaySeamlesslyWithParent() && (change >= Inherit))) {
- // style selector may set this again during recalc
- m_hasNodesWithPlaceholderStyle = false;
-
- RefPtr<RenderStyle> documentStyle = StyleResolver::styleForDocument(this, m_styleResolver ? m_styleResolver->fontSelector() : 0);
- StyleChange ch = Node::diff(documentStyle.get(), renderer()->style(), this);
- if (ch != NoChange)
- renderer()->setStyle(documentStyle.release());
- }
- for (Node* n = firstChild(); n; n = n->nextSibling()) {
- if (!n->isElementNode())
- continue;
- Element* element = static_cast<Element*>(n);
- if (change >= Inherit || element->childNeedsStyleRecalc() || element->needsStyleRecalc())
- element->recalcStyle(change);
- }
- #if USE(ACCELERATED_COMPOSITING)
- if (view()) {
- bool layoutPending = view()->layoutPending() || renderer()->needsLayout();
- // If we didn't update compositing layers because of layout(), we need to do so here.
- if (!layoutPending)
- view()->updateCompositingLayersAfterStyleChange();
- }
- #endif
- bail_out:
- clearNeedsStyleRecalc();
- clearChildNeedsStyleRecalc();
- unscheduleStyleRecalc();
- m_inStyleRecalc = false;
-
- // Pseudo element removal and similar may only work with these flags still set. Reset them after the style recalc.
- if (m_styleResolver)
- resetCSSFeatureFlags();
- if (frameView) {
- frameView->resumeScheduledEvents();
- frameView->endDeferredRepaints();
- }
- RenderWidget::resumeWidgetHierarchyUpdates();
- resumePostAttachCallbacks();
- // 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);
- }
- void Document::updateStyleIfNeeded()
- {
- ASSERT(isMainThread());
- ASSERT(!view() || (!view()->isInLayout() && !view()->isPainting()));
-
- if ((!m_pendingStyleRecalcShouldForce && !childNeedsStyleRecalc()) || inPageCache())
- return;
- AnimationUpdateBlock animationUpdateBlock(m_frame ? m_frame->animation() : 0);
- recalcStyle(NoChange);
- }
- void Document::updateStyleForAllDocuments()
- {
- ASSERT(isMainThread());
- if (!documentsThatNeedStyleRecalc)
- return;
- while (documentsThatNeedStyleRecalc->size()) {
- HashSet<Document*>::iterator it = documentsThatNeedStyleRecalc->begin();
- Document* doc = *it;
- documentsThatNeedStyleRecalc->remove(doc);
- doc->updateStyleIfNeeded();
- }
- }
- void Document::updateLayout()
- {
- ASSERT(isMainThread());
- if (Element* oe = ownerElement())
- oe->document()->updateLayout();
- updateStyleIfNeeded();
- // Only do a layout if changes have occurred that make it necessary.
- FrameView* v = view();
- if (v && renderer() && (v->layoutPending() || renderer()->needsLayout()))
- v->layout();
- }
- // FIXME: This is a bad idea and needs to be removed eventually.
- // Other browsers load stylesheets before they continue parsing the web page.
- // Since we don't, we can run JavaScript code that needs answers before the
- // stylesheets are loaded. Doing a layout ignoring the pending stylesheets
- // lets us get reasonable answers. The long term solution to this problem is
- // to instead suspend JavaScript execution.
- void Document::updateLayoutIgnorePendingStylesheets()
- {
- bool oldIgnore = m_ignorePendingStylesheets;
-
- if (!haveStylesheetsLoaded()) {
- m_ignorePendingStylesheets = true;
- // FIXME: We are willing to attempt to suppress painting with outdated style info only once. Our assumption is that it would be
- // dangerous to try to stop it a second time, after page content has already been loaded and displayed
- // with accurate style information. (Our suppression involves blanking the whole page at the
- // moment. If it were more refined, we might be able to do something better.)
- // It's worth noting though that this entire method is a hack, since what we really want to do is
- // suspend JS instead of doing a layout with inaccurate information.
- HTMLElement* bodyElement = body();
- if (bodyElement && !bodyElement->renderer() && m_pendingSheetLayout == NoLayoutWithPendingSheets) {
- m_pendingSheetLayout = DidLayoutWithPendingSheets;
- styleResolverChanged(RecalcStyleImmediately);
- } else if (m_hasNodesWithPlaceholderStyle)
- // If new nodes have been added or style recalc has been done with style sheets still pending, some nodes
- // may not have had their real style calculated yet. Normally this gets cleaned when style sheets arrive
- // but here we need up-to-date style immediately.
- recalcStyle(Force);
- }
- updateLayout();
- m_ignorePendingStylesheets = oldIgnore;
- }
- PassRefPtr<RenderStyle> Document::styleForElementIgnoringPendingStylesheets(Element* element)
- {
- ASSERT_ARG(element, element->document() == this);
- bool oldIgnore = m_ignorePendingStylesheets;
- m_ignorePendingStylesheets = true;
- RefPtr<RenderStyle> style = styleResolver()->styleForElement(element, element->parentNode() ? element->parentNode()->computedStyle() : 0);
- m_ignorePendingStylesheets = oldIgnore;
- return style.release();
- }
- PassRefPtr<RenderStyle> Document::styleForPage(int pageIndex)
- {
- RefPtr<RenderStyle> style = styleResolver()->styleForPage(pageIndex);
- return style.release();
- }
- void Document::registerCustomFont(PassOwnPtr<FontData> fontData)
- {
- m_customFonts.append(fontData);
- }
- void Document::deleteCustomFonts()
- {
- size_t size = m_customFonts.size();
- for (size_t i = 0; i < size; ++i)
- GlyphPageTreeNode::pruneTreeCustomFontData(m_customFonts[i].get());
- m_customFonts.clear();
- }
- bool Document::isPageBoxVisible(int pageIndex)
- {
- RefPtr<RenderStyle> style = styleForPage(pageIndex);
- return style->visibility() != HIDDEN; // display property doesn't apply to @page.
- }
- void Document::pageSizeAndMarginsInPixels(int pageIndex, IntSize& pageSize, int& marginTop, int& marginRight, int& marginBottom, int& marginLeft)
- {
- RefPtr<RenderStyle> style = styleForPage(pageIndex);
- RenderView* view = renderView();
- 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: {
- LengthSize size = style->pageSize();
- ASSERT(size.width().isFixed());
- ASSERT(size.height().isFixed());
- width = valueForLength(size.width(), 0, view);
- height = valueForLength(size.height(), 0, view);
- 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, view);
- marginRight = style->marginRight().isAuto() ? marginRight : intValueForLength(style->marginRight(), width, view);
- marginBottom = style->marginBottom().isAuto() ? marginBottom : intValueForLength(style->marginBottom(), width, view);
- marginLeft = style->marginLeft().isAuto() ? marginLeft : intValueForLength(style->marginLeft(), width, view);
- }
- void Document::setDocumentRareData(NodeRareData* rareData)
- {
- m_documentRareData = rareData;
- }
- void Document::setIsViewSource(bool isViewSource)
- {
- m_isViewSource = isViewSource;
- if (!m_isViewSource)
- return;
- setSecurityOrigin(SecurityOrigin::createUnique());
- }
- void Document::combineCSSFeatureFlags()
- {
- // Delay resetting the flags until after next style recalc since unapplying the style may not work without these set (this is true at least with before/after).
- m_usesSiblingRules = m_usesSiblingRules || m_styleResolver->usesSiblingRules();
- m_usesFirstLineRules = m_usesFirstLineRules || m_styleResolver->usesFirstLineRules();
- m_usesBeforeAfterRules = m_usesBeforeAfterRules || m_styleResolver->usesBeforeAfterRules();
- m_usesLinkRules = m_usesLinkRules || m_styleResolver->usesLinkRules();
- }
- void Document::resetCSSFeatureFlags()
- {
- m_usesSiblingRules = m_styleResolver->usesSiblingRules();
- m_usesFirstLineRules = m_styleResolver->usesFirstLineRules();
- m_usesBeforeAfterRules = m_styleResolver->usesBeforeAfterRules();
- m_usesLinkRules = m_styleResolver->usesLinkRules();
- }
- void Document::createStyleResolver()
- {
- bool matchAuthorAndUserStyles = true;
- if (Settings* docSettings = settings())
- matchAuthorAndUserStyles = docSettings->authorAndUserStylesEnabled();
- m_styleResolver = adoptPtr(new StyleResolver(this, matchAuthorAndUserStyles));
- combineCSSFeatureFlags();
- }
- inline void Document::clearStyleResolver()
- {
- m_styleResolver.clear();
- }
- void Document::attach()
- {
- ASSERT(!attached());
- ASSERT(!m_inPageCache);
- ASSERT(!m_axObjectCache || this != topDocument());
- if (!m_renderArena)
- m_renderArena = adoptPtr(new RenderArena);
-
- // Create the rendering tree
- setRenderer(new (m_renderArena.get()) RenderView(this, view()));
- #if USE(ACCELERATED_COMPOSITING)
- renderView()->didMoveOnscreen();
- #endif
- recalcStyle(Force);
- RenderObject* render = renderer();
- setRenderer(0);
- ContainerNode::attach();
- setRenderer(render);
- }
- void Document::detach()
- {
- ASSERT(attached());
- ASSERT(!m_inPageCache);
- #if ENABLE(POINTER_LOCK)
- if (page())
- page()->pointerLockController()->documentDetached(this);
- #endif
- if (this == topDocument())
- clearAXObjectCache();
- stopActiveDOMObjects();
- m_eventQueue->close();
- #if ENABLE(FULLSCREEN_API)
- m_fullScreenChangeEventTargetQueue.clear();
- m_fullScreenErrorEventTargetQueue.clear();
- #endif
- #if ENABLE(REQUEST_ANIMATION_FRAME)
- // FIXME: consider using ActiveDOMObject.
- if (m_scriptedAnimationController)
- m_scriptedAnimationController->clearDocumentPointer();
- m_scriptedAnimationController.clear();
- #endif
- RenderObject* render = renderer();
- documentWillBecomeInactive();
- #if ENABLE(SHARED_WORKERS)
- SharedWorkerRepository::documentDetached(this);
- #endif
- if (m_frame) {
- FrameView* view = m_frame->view();
- if (view)
- view->detachCustomScrollbars();
- }
- // indicate destruction mode, i.e. attached() but renderer == 0
- setRenderer(0);
-
- #if ENABLE(FULLSCREEN_API)
- if (m_fullScreenRenderer)
- setFullScreenRenderer(0);
- #endif
- m_hoverNode = 0;
- m_focusedNode = 0;
- m_activeNode = 0;
- ContainerNode::detach();
- unscheduleStyleRecalc();
- if (render)
- render->destroy();
-
- // This is required, as our Frame might delete itself as soon as it detaches
- // us. However, this violates Node::detach() semantics, as it's never
- // possible to re-attach. Eventually Document::detach() should be renamed,
- // or this setting of the frame to 0 could be made explicit in each of the
- // callers of Document::detach().
- m_frame = 0;
- m_renderArena.clear();
- }
- void Document::prepareForDestruction()
- {
- disconnectDescendantFrames();
- if (DOMWindow* window = this->domWindow())
- window->willDetachDocumentFromFrame();
- detach();
- }
- void Document::removeAllEventListeners()
- {
- EventTarget::removeAllEventListeners();
- if (DOMWindow* domWindow = this->domWindow())
- domWindow->removeAllEventListeners();
- for (Node* node = firstChild(); node; node = node->traverseNextNode())
- node->removeAllEventListeners();
- }
- void Document::suspendActiveDOMObjects(ActiveDOMObject::ReasonForSuspension why)
- {
- ScriptExecutionContext::suspendActiveDOMObjects(why);
- #if ENABLE(DEVICE_ORIENTATION)
- if (!page())
- return;
- if (DeviceMotionController* controller = DeviceMotionController::from(page()))
- controller->suspendEventsForAllListeners(domWindow());
- if (DeviceOrientationController* controller = DeviceOrientationController::from(page()))
- controller->suspendEventsForAllListeners(domWindow());
- #endif
- }
- void Document::resumeActiveDOMObjects()
- {
- ScriptExecutionContext::resumeActiveDOMObjects();
- #if ENABLE(DEVICE_ORIENTATION)
- if (!page())
- return;
- if (DeviceMotionController* controller = DeviceMotionController::from(page()))
- controller->resumeEventsForAllListeners(domWindow());
- if (DeviceOrientationController* controller = DeviceOrientationController::from(page()))
- controller->resumeEventsForAllListeners(domWindow());
- #endif
- }
- RenderView* Document::renderView() const
- {
- return toRenderView(renderer());
- }
- void Document::clearAXObjectCache()
- {
- // clear cache in top document
- if (m_axObjectCache) {
- // Clear the cache member variable before calling delete because attempts
- // are made to access it during destruction.
- AXObjectCache* axObjectCache = m_axObjectCache;
- m_axObjectCache = 0;
- delete axObjectCache;
- return;
- }
-
- // ask the top-level document to clear its cache
- Document* doc = topDocument();
- if (doc != this)
- doc->clearAXObjectCache();
- }
- bool Document::axObjectCacheExists() const
- {
- if (m_axObjectCache)
- return true;
-
- Document* doc = topDocument();
- if (doc != this)
- return doc->axObjectCacheExists();
-
- return false;
- }
-
- AXObjectCache* Document::axObjectCache() const
- {
- // 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).
-
- if (m_axObjectCache) {
- // return already known top-level cache
- if (!ownerElement())
- return m_axObjectCache;
-
- // In some pages with frames, the cache is created before the sub-webarea is
- // inserted into the tree. Here, we catch that case and just toss the old
- // cache and start over.
- // NOTE: This recovery may no longer be needed. I have been unable to trigger
- // it again. See rdar://5794454
- // FIXME: Can this be fixed when inserting the subframe instead of now?
- // FIXME: If this function was called to get the cache in order to remove
- // an AXObject, we are now deleting the cache as a whole and returning a
- // new empty cache that does not contain the AXObject! That should actually
- // be OK. I am concerned about other cases like this where accessing the
- // cache blows away the AXObject being operated on.
- delete m_axObjectCache;
- m_axObjectCache = 0;
- }
- // ask the top-level document for its cache
- Document* doc = topDocument();
- if (doc != this)
- return doc->axObjectCache();
-
- // this is the top-level document, so install a new cache
- m_axObjectCache = new AXObjectCache(this);
- return m_axObjectCache;
- }
- void Document::setVisuallyOrdered()
- {
- m_visuallyOrdered = true;
- if (renderer())
- renderer()->style()->setRTLOrdering(VisualOrder);
- }
- PassRefPtr<DocumentParser> Document::createParser()
- {
- // FIXME: this should probably pass the frame instead
- #if ENABLE(NEW_XML)
- return NewXMLDocumentParser::create(this);
- #else
- return XMLDocumentParser::create(this, view());
- #endif
- }
- ScriptableDocumentParser* Document::scriptableDocumentParser() const
- {
- return parser() ? parser()->asScriptableDocumentParser() : 0;
- }
- void Document::open(Document* ownerDocument)
- {
- if (ownerDocument) {
- setURL(ownerDocument->url());
- m_cookieURL = ownerDocument->cookieURL();
- setSecurityOrigin(ownerDocument->securityOrigin());
- }
- 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()->state() == FrameStateProvisional)
- m_frame->loader()->stopAllLoaders();
- }
- removeAllEventListeners();
- implicitOpen();
- if (ScriptableDocumentParser* parser = scriptableDocumentParser())
- parser->setWasCreatedByScript(true);
- if (DOMWindow* domWindow = this->domWindow())
- domWindow->removeAllEventListeners();
- if (m_frame)
- m_frame->loader()->didExplicitOpen();
- }
- void Document::detachParser()
- {
- if (!m_parser)
- return;
- m_parser->detach();
- m_parser.clear();
- }
- 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()
- {
- cancelParsing();
- removeChildren();
- setCompatibilityMode(NoQuirksMode);
- m_parser = createParser();
- setParsing(true);
- setReadyState(Loading);
- }
- HTMLElement* Document::body() const
- {
- Node* de = documentElement();
- if (!de)
- return 0;
-
- // try to prefer a FRAMESET element over BODY
- Node* body = 0;
- for (Node* i = de->firstChild(); i; i = i->nextSibling()) {
- if (i->hasTagName(framesetTag))
- return toHTMLElement(i);
-
- if (i->hasTagName(bodyTag) && !body)
- body = i;
- }
- return toHTMLElement(body);
- }
- void Document::setBody(PassRefPtr<HTMLElement> prpNewBody, ExceptionCode& ec)
- {
- RefPtr<HTMLElement> newBody = prpNewBody;
- if (!newBody || !documentElement() || !newBody->hasTagName(bodyTag)) {
- ec = HIERARCHY_REQUEST_ERR;
- return;
- }
- if (newBody->document() && newBody->document() != this) {
- ec = 0;
- RefPtr<Node> node = importNode(newBody.get(), true, ec);
- if (ec)
- return;
-
- newBody = toHTMLElement(node.get());
- }
- HTMLElement* b = body();
- if (!b)
- documentElement()->appendChild(newBody.release(), ec);
- else
- documentElement()->replaceChild(newBody.release(), b, ec);
- }
- HTMLHeadElement* Document::head()
- {
- Node* de = documentElement();
- if (!de)
- return 0;
- for (Node* e = de->firstChild(); e; e = e->nextSibling())
- if (e->hasTagName(headTag))
- return static_cast<HTMLHeadElement*>(e);
- return 0;
- }
- void Document::close()
- {
- // FIXME: We should follow the specification more closely:
- // http://www.whatwg.org/specs/web-apps/current-work/#dom-document-close
- if (!scriptableDocumentParser() || !scriptableDocumentParser()->wasCreatedByScript() || !scriptableDocumentParser()->isParsing())
- return;
- explicitClose();
- }
- void Document::explicitClose()
- {
- if (m_parser)
- m_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;
- }
- m_frame->loader()->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;
- 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();
- // Parser should have picked up all preloads by now
- m_cachedResourceLoader->clearPreloads();
- // 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)
- Frame* f = frame();
- if (f) {
- f->loader()->icon()->startLoader();
- f->animation()->resumeAnimationsForDocument(this);
- }
- ImageLoader::dispatchPendingBeforeLoadEvents();
- ImageLoader::dispatchPendingLoadEvents();
- ImageLoader::dispatchPendingErrorEvents();
- HTMLLinkElement::dispatchPendingLoadEvents();
- HTMLStyleElement::dispatchPendingLoadEvents();
- #if ENABLE(SVG)
- // 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();
- #endif
- dispatchWindowLoadEvent();
- enqueuePageshowEvent(PageshowEventNotPersisted);
- enqueuePopstateEvent(m_pendingStateObject ? m_pendingStateObject.release() : SerializedScriptValue::nullValue());
-
- if (f)
- f->loader()->handledOnloadEvents();
- #ifdef INSTRUMENT_LAYOUT_SCHEDULING
- if (!ownerElement())
- printf("onload fired at %d\n", elapsedTime());
- #endif
- // 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() && elapsedTime() < cLayoutScheduleThreshold) {
- // 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()->unscheduleRelayout();
- return;
- }
- frame()->loader()->checkCallImplicitClose();
- RenderObject* renderObject = renderer();
-
- // 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() && renderObject && (!renderObject->firstChild() || renderObject->needsLayout()))
- view()->layout();
- }
- m_processingLoadEvent = false;
- #if PLATFORM(MAC) || PLATFORM(CHROMIUM)
- if (f && renderObject && 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.
- axObjectCache()->getOrCreate(renderObject);
- if (this == topDocument())
- axObjectCache()->postNotification(renderObject, AXObjectCache::AXLoadComplete, true);
- 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(renderObject, AXObjectCache::AXLayoutComplete, true);
- }
- }
- #endif
- #if ENABLE(SVG)
- if (svgExtensions())
- accessSVGExtensions()->startAnimations();
- #endif
- }
- void Document::setParsing(bool b)
- {
- m_bParsing = b;
- if (!m_bParsing && view())
- view()->scheduleRelayout();
- #ifdef INSTRUMENT_LAYOUT_SCHEDULING
- if (!ownerElement() && !m_bParsing)
- printf("Parsing finished at %d\n", elapsedTime());
- #endif
- }
- bool Document::shouldScheduleLayout()
- {
- // This function will only be called when FrameView thinks a layout is needed.
- // This enforces a couple extra rules.
- //
- // (a) Only schedule a layout once the stylesheets are loaded.
- // (b) Only schedule layout once we have a body element.
- return (haveStylesheetsLoaded() && body())
- || (documentElement() && !documentElement()->hasTagName(htmlTag));
- }
-
- bool Document::isLayoutTimerActive()
- {
- return view() && view()->layoutPending() && !minimumLayoutDelay();
- }
- int Document::minimumLayoutDelay()
- {
- if (m_overMinimumLayoutThreshold)
- return 0;
-
- int elapsed = elapsedTime();
- m_overMinimumLayoutThreshold = elapsed > cLayoutScheduleThreshold;
-
- // We'll want to schedule the timer to fire at the minimum layout threshold.
- return max(0, cLayoutScheduleThreshold - elapsed);
- }
- int Document::elapsedTime() const
- {
- return static_cast<int>((currentTime() - m_startTime) * 1000);
- }
- void Document::write(const SegmentedString& text, Document* ownerDocument)
- {
- NestingLevelIncrementer nestingLevelIncrementer(m_writeRecursionDepth);
- m_writeRecursionIsTooDeep = (m_writeRecursionDepth > 1) && m_writeRecursionIsTooDeep;
- m_writeRecursionIsTooDeep = (m_writeRecursionDepth > cMaxWriteRecursionDepth) || m_writeRecursionIsTooDeep;
- if (m_writeRecursionIsTooDeep)
- return;
- #ifdef INSTRUMENT_LAYOUT_SCHEDULING
- if (!ownerElement())
- printf("Beginning a document.write at %d\n", elapsedTime());
- #endif
- bool hasInsertionPoint = m_parser && m_parser->hasInsertionPoint();
- if (!hasInsertionPoint && m_ignoreDestructiveWriteCount)
- return;
- if (!hasInsertionPoint)
- open(ownerDocument);
- ASSERT(m_parser);
- m_parser->insert(text);
- #ifdef INSTRUMENT_LAYOUT_SCHEDULING
- if (!ownerElement())
- printf("Ending a document.write at %d\n", elapsedTime());
- #endif
- }
- void Document::write(const String& text, Document* ownerDocument)
- {
- write(SegmentedString(text), ownerDocument);
- }
- void Document::writeln(const String& text, Document* ownerDocument)
- {
- write(text, ownerDocument);
- write("\n", ownerDocument);
- }
- const KURL& Document::virtualURL() const
- {
- return m_url;
- }
- KURL Document::virtualCompleteURL(const String& url) const
- {
- return completeURL(url);
- }
- double Document::minimumTimerInterval() const
- {
- Page* p = page();
- if (!p)
- return ScriptExecutionContext::minimumTimerInterval();
- return p->settings()->minDOMTimerInterval();
- }
- EventTarget* Document::errorEventTarget()
- {
- return domWindow();
- }
- void Document::logExceptionToConsole(const String& errorMessage, const String& sourceURL, int lineNumber, PassRefPtr<ScriptCallStack> callStack)
- {
- addConsoleMessage(JSMessageSource, LogMessageType, ErrorMessageLevel, errorMessage, sourceURL, lineNumber, callStack);
- }
- void Document::setURL(const KURL& url)
- {
- const KURL& newURL = url.isEmpty() ? blankURL() : url;
- if (newURL == m_url)
- return;
- m_url = newURL;
- m_documentURI = m_url.string();
- updateBaseURL();
- contextFeatures()->urlDidChange(this);
- }
- void Document::updateBaseURL()
- {
- KURL 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 = KURL(KURL(), documentURI());
- }
- selectorQueryCache()->invalidate();
- if (!m_baseURL.isValid())
- m_baseURL = KURL();
- if (m_elemSheet) {
- // Element sheet is silly. It never contains anything.
- ASSERT(!m_elemSheet->contents()->ruleCount());
- bool usesRemUnits = m_elemSheet->contents()->usesRemUnits();
- m_elemSheet = CSSStyleSheet::createInline(this, m_baseURL);
- // FIXME: So we are not really the parser. The right fix is to eliminate the element sheet completely.
- m_elemSheet->contents()->parserSetUsesRemUnits(usesRemUnits);
- }
- 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 (Node* node = firstChild(); node; node = node->traverseNextNode()) {
- if (node->hasTagName(aTag))
- static_cast<HTMLAnchorElement*>(node)->invalidateCachedVisitedLinkHash();
- }
- }
- }
- void Document::setBaseURLOverride(const KURL& 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 = 0;
- const AtomicString* target = 0;
- for (Node* node = document()->firstChild(); node && (!href || !target); node = node->traverseNextNode()) {
- if (node->hasTagName(baseTag)) {
- if (!href) {
- const AtomicString& value = static_cast<Element*>(node)->fastGetAttribute(hrefAttr);
- if (!value.isNull())
- href = &value;
- }
- if (!target) {
- const AtomicString& value = static_cast<Element*>(node)->fastGetAttribute(targetAttr);
- if (!value.isNull())
- target = &value;
- }
- }
- }
- // FIXME: Since this doesn't share code with completeURL it may not handle encodings correctly.
- KURL baseElementURL;
- if (href) {
- String strippedHref = stripLeadingAndTrailingHTMLSpaces(*href);
- if (!strippedHref.isEmpty())
- baseElementURL = KURL(url(), strippedHref);
- }
- if (m_baseElementURL != baseElementURL) {
- m_baseElementURL = baseElementURL;
- updateBaseURL();
- }
- m_baseTarget = target ? *target : nullAtom;
- }
- String Document::userAgent(const KURL& url) const
- {
- return frame() ? frame()->loader()->userAgent(url) : String();
- }
- void Document::disableEval()
- {
- if (!frame())
- return;
- frame()->script()->disableEval();
- }
- 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;
- // Frame-busting is generally allowed (unless we're sandboxed and prevent from frame-busting).
- if (!isSandboxed(SandboxTopNavigation) && targetFrame == m_frame->tree()->top())
- return true;
- if (isSandboxed(SandboxNavigation)) {
- if (targetFrame->tree()->isDescendantOf(m_frame))
- return true;
- printNavigationErrorMessage(targetFrame, url());
- return false;
- }
- // This is the normal case. A document can navigate its decendant 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());
- return false;
- }
- Frame* Document::findUnsafeParentScrollPropagationBoundary()
- {
- Frame* currentFrame = m_frame;
- Frame* ancestorFrame = currentFrame->tree()->parent();
- while (ancestorFrame) {
- if (!ancestorFrame->document()->securityOrigin()->canAccess(securityOrigin()))
- return currentFrame;
- currentFrame = ancestorFrame;
- ancestorFrame = ancestorFrame->tree()->parent();
- }
- return 0;
- }
- CSSStyleSheet* Document::pageUserSheet()
- {
- if (m_pageUserSheet)
- return m_pageUserSheet.get();
-
- Page* owningPage = page();
- if (!owningPage)
- return 0;
-
- String userSheetText = owningPage->userStyleSheet();
- if (userSheetText.isEmpty())
- return 0;
-
- // Parse the sheet and cache it.
- m_pageUserSheet = CSSStyleSheet::createInline(this, settings()->userStyleSheetLocation());
- m_pageUserSheet->contents()->setIsUserStyleSheet(true);
- m_pageUserSheet->contents()->parseString(userSheetText);
- return m_pageUserSheet.get();
- }
- void Document::clearPageUserSheet()
- {
- if (m_pageUserSheet) {
- m_pageUserSheet = 0;
- styleResolverChanged(DeferRecalcStyle);
- }
- }
- void Document::updatePageUserSheet()
- {
- clearPageUserSheet();
- if (pageUserSheet())
- styleResolverChanged(RecalcStyleImmediately);
- }
- const Vector<RefPtr<CSSStyleSheet> >* Document::pageGroupUserSheets() const
- {
- if (m_pageGroupUserSheetCacheValid)
- return m_pageGroupUserSheets.get();
-
- m_pageGroupUserSheetCacheValid = true;
-
- Page* owningPage = page();
- if (!owningPage)
- return 0;
-
- const PageGroup& pageGroup = owningPage->group();
- const UserStyleSheetMap* sheetsMap = pageGroup.userStyleSheets();
- if (!sheetsMap)
- return 0;
- UserStyleSheetMap::const_iterator end = sheetsMap->end();
- for (UserStyleSheetMap::const_iterator it = sheetsMap->begin(); it != end; ++it) {
- const UserStyleSheetVector* sheets = it->second.get();
- for (unsigned i = 0; i < sheets->size(); ++i) {
- const UserStyleSheet* sheet = sheets->at(i).get();
- if (sheet->injectedFrames() == InjectInTopFrameOnly && ownerElement())
- continue;
- if (!UserContentURLPattern::matchesPatterns(url(), sheet->whitelist(), sheet->blacklist()))
- continue;
- RefPtr<CSSStyleSheet> groupSheet = CSSStyleSheet::createInline(const_cast<Document*>(this), sheet->url());
- if (!m_pageGroupUserSheets)
- m_pageGroupUserSheets = adoptPtr(new Vector<RefPtr<CSSStyleSheet> >);
- m_pageGroupUserSheets->append(groupSheet);
- groupSheet->contents()->setIsUserStyleSheet(sheet->level() == UserStyleUserLevel);
- groupSheet->contents()->parseString(sheet->source());
- }
- }
- return m_pageGroupUserSheets.get();
- }
- void Document::clearPageGroupUserSheets()
- {
- m_pageGroupUserSheetCacheValid = false;
- if (m_pageGroupUserSheets && m_pageGroupUserSheets->size()) {
- m_pageGroupUserSheets->clear();
- styleResolverChanged(DeferRecalcStyle);
- }
- }
- void Document::updatePageGroupUserSheets()
- {
- clearPageGroupUserSheets();
- if (pageGroupUserSheets() && pageGroupUserSheets()->size())
- styleResolverChanged(RecalcStyleImmediately);
- }
- void Document::addUserSheet(PassRefPtr<StyleSheetContents> userSheet)
- {
- if (!m_userSheets)
- m_userSheets = adoptPtr(new Vector<RefPtr<CSSStyleSheet> >);
- m_userSheets->append(CSSStyleSheet::create(userSheet, this));
- styleResolverChanged(RecalcStyleImmediately);
- }
- void Document::seamlessParentUpdatedStylesheets()
- {
- styleResolverChanged(RecalcStyleImmediately);
- }
- CSSStyleSheet* Document::elementSheet()
- {
- if (!m_elemSheet)
- m_elemSheet = CSSStyleSheet::createInline(this, m_baseURL);
- return m_elemSheet.get();
- }
- int Document::nodeAbsIndex(Node *node)
- {
- ASSERT(node->document() == this);
- int absIndex = 0;
- for (Node* n = node; n && n != this; n = n->traversePreviousNode())
- absIndex++;
- return absIndex;
- }
- Node* Document::nodeWithAbsIndex(int absIndex)
- {
- Node* n = this;
- for (int i = 0; n && (i < absIndex); i++)
- n = n->traverseNextNode();
- return n;
- }
- void Document::processHttpEquiv(const String& equiv, const String& content)
- {
- ASSERT(!equiv.isNull() && !content.isNull());
- Frame* frame = this->frame();
- if (equalIgnoringCase(equiv, "default-style")) {
- // 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
- m_selectedStylesheetSet = content;
- m_preferredStylesheetSet = content;
- styleResolverChanged(DeferRecalcStyle);
- } else if (equalIgnoringCase(equiv, "refresh")) {
- double delay;
- String url;
- if (frame && parseHTTPRefresh(content, true, delay, url)) {
- if (url.isEmpty())
- url = m_url.string();
- else
- url = completeURL(url).string();
- frame->navigationScheduler()->scheduleRedirect(delay, url);
- }
- } else if (equalIgnoringCase(equiv, "set-cookie")) {
- // FIXME: make setCookie work on XML documents too; e.g. in case of <html:meta .....>
- if (isHTMLDocument()) {
- ExceptionCode ec; // Exception (for sandboxed documents) ignored.
- static_cast<HTMLDocument*>(this)->setCookie(content, ec);
- }
- } else if (equalIgnoringCase(equiv, "content-language"))
- setContentLanguage(content);
- else if (equalIgnoringCase(equiv, "x-dns-prefetch-control"))
- parseDNSPrefetchControlHeader(content);
- else if (equalIgnoringCase(equiv, "x-frame-options")) {
- if (frame) {
- FrameLoader* frameLoader = frame->loader();
- if (frameLoader->shouldInterruptLoadForXFrameOptions(content, url())) {
- frameLoader->stopAllLoaders();
- frame->navigationScheduler()->scheduleLocationChange(securityOrigin(), blankURL(), String());
- DEFINE_STATIC_LOCAL(String, consoleMessage, ("Refused to display document because display forbidden by X-Frame-Options.\n"));
- addConsoleMessage(JSMessageSource, LogMessageType, ErrorMessageLevel, consoleMessage);
- }
- }
- } else if (equalIgnoringCase(equiv, "x-webkit-csp"))
- contentSecurityPolicy()->didReceiveHeader(content, ContentSecurityPolicy::EnforcePolicy);
- else if (equalIgnoringCase(equiv, "x-webkit-csp-report-only"))
- contentSecurityPolicy()->didReceiveHeader(content, ContentSecurityPolicy::ReportOnly);
- }
- // Though isspace() considers \t and \v to be whitespace, Win IE doesn't.
- static bool isSeparator(UChar c)
- {
- return c == ' ' || c == '\t' || c == '\n' || c == '\r' || c == '=' || c == ',' || c == '\0';
- }
- void Document::processArguments(const String& features, void* data, ArgumentsCallback callback)
- {
- // Tread lightly in this code -- it was specifically designed to mimic Win IE's parsing behavior.
- int keyBegin, keyEnd;
- int valueBegin, valueEnd;
- int i = 0;
- int length = features.length();
- String buffer = features.lower();
- while (i < length) {
- // skip to first non-separator, but don't skip past the end of the string
- while (isSeparator(buffer[i])) {
- if (i >= length)
- break;
- i++;
- }
- keyBegin = i;
- // skip to first separator
- while (!isSeparator(buffer[i]))
- i++;
- keyEnd = i;
- // skip to first '=', but don't skip past a ',' or the end of the string
- while (buffer[i] != '=') {
- if (buffer[i] == ',' || i >= length)
- break;
- i++;
- }
- // skip to first non-separator, but don't skip past a ',' or the end of the string
- while (isSeparator(buffer[i])) {
- if (buffer[i] == ',' || i >= length)
- break;
- i++;
- }
- valueBegin = i;
- // skip to first separator
- while (!isSeparator(buffer[i]))
- i++;
- valueEnd = i;
- ASSERT(i <= length);
- String keyString = buffer.substring(keyBegin, keyEnd - keyBegin);
- String valueString = buffer.substring(valueBegin, valueEnd - valueBegin);
- callback(keyString, valueString, this, data);
- }
- }
- void Document::processViewport(const String& features, ViewportArguments::Type origin)
- {
- ASSERT(!features.isNull());
- if (origin < m_viewportArguments.type)
- return;
- m_viewportArguments = ViewportArguments(origin);
- processArguments(features, (void*)&m_viewportArguments, &setViewportFeature);
- updateViewportArguments();
- }
- void Document::updateViewportArguments()
- {
- if (page() && page()->mainFrame() == frame()) {
- #ifndef NDEBUG
- m_didDispatchViewportPropertiesChanged = true;
- #endif
- page()->chrome()->dispatchViewportPropertiesDidChange(m_viewportArguments);
- }
- }
- void Document::processReferrerPolicy(const String& policy)
- {
- ASSERT(!policy.isNull());
- m_referrerPolicy = ReferrerPolicyDefault;
- if (equalIgnoringCase(policy, "never"))
- m_referrerPolicy = ReferrerPolicyNever;
- else if (equalIgnoringCase(policy, "always"))
- m_referrerPolicy = ReferrerPolicyAlways;
- else if (equalIgnoringCase(policy, "origin"))
- m_referrerPolicy = ReferrerPolicyOrigin;
- }
- MouseEventWithHitTestResults Document::prepareMouseEvent(const HitTestRequest& request, const LayoutPoint& documentPoint, const PlatformMouseEvent& event)
- {
- ASSERT(!renderer() || renderer()->isRenderView());
- if (!renderer())
- return MouseEventWithHitTestResults(event, HitTestResult(LayoutPoint()));
- HitTestResult result(documentPoint);
- renderView()->hitTest(request, result);
- if (!request.readOnly())
- updateStyleIfNeeded();
- 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 ENTITY_NODE:
- case ENTITY_REFERENCE_NODE:
- case NOTATION_NODE:
- case TEXT_NODE:
- case XPATH_NAMESPACE_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::canReplaceChild(Node* newChild, Node* oldChild)
- {
- if (!oldChild)
- // ContainerNode::replaceChild will raise a NOT_FOUND_ERR.
- return true;
- if (oldChild->nodeType() == newChild->nodeType())
- return true;
- int numDoctypes = 0;
- int numElements = 0;
- // First, check how many doctypes and elements we have, not counting
- // the child we're about to remove.
- for (Node* c = firstChild(); c; c = c->nextSibling()) {
- if (c == oldChild)
- continue;
-
- switch (c->nodeType()) {
- case DOCUMENT_TYPE_NODE:
- numDoctypes++;
- break;
- case ELEMENT_NODE:
- numElements++;
- break;
- default:
- break;
- }
- }
-
- // Then, see how many doctypes and elements might be added by the new child.
- if (newChild->nodeType() == DOCUMENT_FRAGMENT_NODE) {
- for (Node* c = newChild->firstChild(); c; c = c->nextSibling()) {
- switch (c->nodeType()) {
- case ATTRIBUTE_NODE:
- case CDATA_SECTION_NODE:
- case DOCUMENT_FRAGMENT_NODE:
- case DOCUMENT_NODE:
- case ENTITY_NODE:
- case ENTITY_REFERENCE_NODE:
- case NOTATION_NODE:
- case TEXT_NODE:
- case XPATH_NAMESPACE_NODE:
- return false;
- case COMMENT_NODE:
- case PROCESSING_INSTRUCTION_NODE:
- break;
- case DOCUMENT_TYPE_NODE:
- numDoctypes++;
- break;
- case ELEMENT_NODE:
- numElements++;
- break;
- }
- }
- } else {
- switch (newChild->nodeType()) {
- case ATTRIBUTE_NODE:
- case CDATA_SECTION_NODE:
- case DOCUMENT_FRAGMENT_NODE:
- case DOCUMENT_NODE:
- case ENTITY_NODE:
- case ENTITY_REFERENCE_NODE:
- case NOTATION_NODE:
- case TEXT_NODE:
- case XPATH_NAMESPACE_NODE:
- return false;
- case COMMENT_NODE:
- case PROCESSING_INSTRUCTION_NODE:
- return true;
- case DOCUMENT_TYPE_NODE:
- numDoctypes++;
- break;
- case ELEMENT_NODE:
- numElements++;
- break;
- }
- }
-
- if (numElements > 1 || numDoctypes > 1)
- return false;
-
- return true;
- }
- PassRefPtr<Node> Document::cloneNode(bool /*deep*/)
- {
- // Spec says cloning Document nodes is "implementation dependent"
- // so we do not support it...
- return 0;
- }
- StyleSheetList* Document::styleSheets()
- {
- return m_styleSheets.get();
- }
- String Document::preferredStylesheetSet() const
- {
- return m_preferredStylesheetSet;
- }
- String Document::selectedStylesheetSet() const
- {
- return m_selectedStylesheetSet;
- }
- void Document::setSelectedStylesheetSet(const String& aString)
- {
- m_selectedStylesheetSet = aString;
- styleResolverChanged(DeferRecalcStyle);
- }
- // This method is called whenever a top-level stylesheet has finished loading.
- void Document::removePendingSheet()
- {
- // Make sure we knew this sheet was pending, and that our count isn't out of sync.
- ASSERT(m_pendingStylesheets > 0);
- m_pendingStylesheets--;
-
- #ifdef INSTRUMENT_LAYOUT_SCHEDULING
- if (!ownerElement())
- printf("Stylesheet loaded at time %d. %d stylesheets still remain.\n", elapsedTime(), m_pendingStylesheets);
- #endif
- if (m_pendingStylesheets)
- return;
- styleResolverChanged(RecalcStyleIfNeeded);
- if (ScriptableDocumentParser* parser = scriptableDocumentParser())
- parser->executeScriptsWaitingForStylesheets();
- if (m_gotoAnchorNeededAfterStylesheetsLoad && view())
- view()->scrollToFragment(m_url);
- }
- void Document::evaluateMediaQueryList()
- {
- if (m_mediaQueryMatcher)
- m_mediaQueryMatcher->styleResolverChanged();
- }
- void Document::styleResolverChanged(StyleResolverUpdateFlag updateFlag)
- {
- // Don't bother updating, since we haven't loaded all our style info yet
- // and haven't calculated the style selector for the first time.
- if (!attached() || (!m_didCalculateStyleResolver && !haveStylesheetsLoaded())) {
- m_styleResolver.clear();
- return;
- }
- #ifdef INSTRUMENT_LAYOUT_SCHEDULING
- if (!ownerElement())
- printf("Beginning update of style selector at time %d.\n", elapsedTime());
- #endif
- bool stylesheetChangeRequiresStyleRecalc = updateActiveStylesheets(updateFlag);
- if (updateFlag == DeferRecalcStyle) {
- scheduleForcedStyleRecalc();
- return;
- }
- if (didLayoutWithPendingStylesheets() && m_pendingStylesheets <= 0) {
- m_pendingSheetLayout = IgnoreLayoutWithPendingSheets;
- if (renderer())
- renderer()->repaint();
- }
- if (!stylesheetChangeRequiresStyleRecalc)
- return;
- // This recalcStyle initiates a new recalc cycle. We need to bracket it to
- // make sure animations get the correct update time
- {
- AnimationUpdateBlock animationUpdateBlock(m_frame ? m_frame->animation() : 0);
- recalcStyle(Force);
- }
- #ifdef INSTRUMENT_LAYOUT_SCHEDULING
- if (!ownerElement())
- printf("Finished update of style selector at time %d\n", elapsedTime());
- #endif
- if (renderer()) {
- renderer()->setNeedsLayoutAndPrefWidthsRecalc();
- if (view())
- view()->scheduleRelayout();
- }
- evaluateMediaQueryList();
- }
- void Document::addStyleSheetCandidateNode(Node* node, bool createdByParser)
- {
- if (!node->inDocument())
- return;
-
- // Until the <body> exists, we have no choice but to compare document positions,
- // since styles outside of the body and head continue to be shunted into the head
- // (and thus can shift to end up before dynamically added DOM content that is also
- // outside the body).
- if ((createdByParser && body()) || m_styleSheetCandidateNodes.isEmpty()) {
- m_styleSheetCandidateNodes.add(node);
- return;
- }
- // Determine an appropriate insertion point.
- StyleSheetCandidateListHashSet::iterator begin = m_styleSheetCandidateNodes.begin();
- StyleSheetCandidateListHashSet::iterator end = m_styleSheetCandidateNodes.end();
- StyleSheetCandidateListHashSet::iterator it = end;
- Node* followingNode = 0;
- do {
- --it;
- Node* n = *it;
- unsigned short position = n->compareDocumentPosition(node);
- if (position == DOCUMENT_POSITION_FOLLOWING) {
- m_styleSheetCandidateNodes.insertBefore(followingNode, node);
- return;
- }
- followingNode = n;
- } while (it != begin);
-
- m_styleSheetCandidateNodes.insertBefore(followingNode, node);
- }
- void Document::removeStyleSheetCandidateNode(Node* node)
- {
- m_styleSheetCandidateNodes.remove(node);
- }
- void Document::collectActiveStylesheets(Vector<RefPtr<StyleSheet> >& sheets)
- {
- if (settings() && !settings()->authorAndUserStylesEnabled())
- return;
- StyleSheetCandidateListHashSet::iterator begin = m_styleSheetCandidateNodes.begin();
- StyleSheetCandidateListHashSet::iterator end = m_styleSheetCandidateNodes.end();
- for (StyleSheetCandidateListHashSet::iterator it = begin; it != end; ++it) {
- Node* n = *it;
- StyleSheet* sheet = 0;
- if (n->nodeType() == PROCESSING_INSTRUCTION_NODE) {
- // Processing instruction (XML documents only).
- // We don't support linking to embedded CSS stylesheets, see <https://bugs.webkit.org/show_bug.cgi?id=49281> for discussion.
- ProcessingInstruction* pi = static_cast<ProcessingInstruction*>(n);
- sheet = pi->sheet();
- #if ENABLE(XSLT)
- // Don't apply XSL transforms to already transformed documents -- <rdar://problem/4132806>
- if (pi->isXSL() && !transformSourceDocument()) {
- // Don't apply XSL transforms until loading is finished.
- if (!parsing())
- applyXSLTransform(pi);
- return;
- }
- #endif
- } else if ((n->isHTMLElement() && (n->hasTagName(linkTag) || n->hasTagName(styleTag)))
- #if ENABLE(SVG)
- || (n->isSVGElement() && n->hasTagName(SVGNames::styleTag))
- #endif
- ) {
- Element* e = static_cast<Element*>(n);
- AtomicString title = e->getAttribute(titleAttr);
- bool enabledViaScript = false;
- if (e->hasLocalName(linkTag)) {
- // <LINK> element
- HTMLLinkElement* linkElement = static_cast<HTMLLinkElement*>(n);
- if (linkElement->isDisabled())
- continue;
- enabledViaScript = linkElement->isEnabledViaScript();
- if (linkElement->styleSheetIsLoading()) {
- // it is loading but we should still decide which style sheet set to use
- if (!enabledViaScript && !title.isEmpty() && m_preferredStylesheetSet.isEmpty()) {
- const AtomicString& rel = e->getAttribute(relAttr);
- if (!rel.contains("alternate")) {
- m_preferredStylesheetSet = title;
- m_selectedStylesheetSet = title;
- }
- }
- continue;
- }
- if (!linkElement->sheet())
- title = nullAtom;
- }
- // Get the current preferred styleset. This is the
- // set of sheets that will be enabled.
- #if ENABLE(SVG)
- if (n->isSVGElement() && n->hasTagName(SVGNames::styleTag))
- sheet = static_cast<SVGStyleElement*>(n)->sheet();
- else
- #endif
- if (e->hasLocalName(linkTag))
- sheet = static_cast<HTMLLinkElement*>(n)->sheet();
- else
- // <STYLE> element
- sheet = static_cast<HTMLStyleElement*>(n)->sheet();
- // Check to see if this sheet belongs to a styleset
- // (thus making it PREFERRED or ALTERNATE rather than
- // PERSISTENT).
- AtomicString rel = e->getAttribute(relAttr);
- if (!enabledViaScript && !title.isEmpty()) {
- // Yes, we have a title.
- if (m_preferredStylesheetSet.isEmpty()) {
- // No preferred set has been established. If
- // we are NOT an alternate sheet, then establish
- // us as the preferred set. Otherwise, just ignore
- // this sheet.
- if (e->hasLocalName(styleTag) || !rel.contains("alternate"))
- m_preferredStylesheetSet = m_selectedStylesheetSet = title;
- }
- if (title != m_preferredStylesheetSet)
- sheet = 0;
- }
- if (rel.contains("alternate") && title.isEmpty())
- sheet = 0;
- }
- if (sheet)
- sheets.append(sheet);
- }
- }
- bool Document::testAddedStylesheetRequiresStyleRecalc(StyleSheetContents* stylesheet)
- {
- // See if all rules on the sheet are scoped to some specific ids or classes.
- // Then test if we actually have any of those in the tree at the moment.
- HashSet<AtomicStringImpl*> idScopes;
- HashSet<AtomicStringImpl*> classScopes;
- if (!StyleResolver::determineStylesheetSelectorScopes(stylesheet, idScopes, classScopes))
- return true;
- // Invalidate the subtrees that match the scopes.
- Node* node = firstChild();
- while (node) {
- if (!node->isStyledElement()) {
- node = node->traverseNextNode();
- continue;
- }
- StyledElement* element = static_cast<StyledElement*>(node);
- if (SelectorChecker::elementMatchesSelectorScopes(element, idScopes, classScopes)) {
- element->setNeedsStyleRecalc();
- // The whole subtree is now invalidated, we can skip to the next sibling.
- node = node->traverseNextSibling();
- continue;
- }
- node = node->traverseNextNode();
- }
- return false;
- }
- void Document::analyzeStylesheetChange(StyleResolverUpdateFlag updateFlag, const Vector<RefPtr<StyleSheet> >& newStylesheets, bool& requiresStyleResolverReset, bool& requiresFullStyleRecalc)
- {
- requiresStyleResolverReset = true;
- requiresFullStyleRecalc = true;
-
- // Stylesheets of <style> elements that @import stylesheets are active but loading. We need to trigger a full recalc when such loads are done.
- bool hasActiveLoadingStylesheet = false;
- unsigned newStylesheetCount = newStylesheets.size();
- for (unsigned i = 0; i < newStylesheetCount; ++i) {
- if (newStylesheets[i]->isLoading())
- hasActiveLoadingStylesheet = true;
- }
- if (m_hadActiveLoadingStylesheet && !hasActiveLoadingStylesheet) {
- m_hadActiveLoadingStylesheet = false;
- return;
- }
- m_hadActiveLoadingStylesheet = hasActiveLoadingStylesheet;
- if (updateFlag != RecalcStyleIfNeeded)
- return;
- if (!m_styleResolver)
- return;
- // See if we are just adding stylesheets.
- unsigned oldStylesheetCount = m_styleSheets->length();
- if (newStylesheetCount < oldStylesheetCount)
- return;
- for (unsigned i = 0; i < oldStylesheetCount; ++i) {
- if (m_styleSheets->item(i) != newStylesheets[i])
- return;
- }
- requiresStyleResolverReset = false;
- // If we are already parsing the body and so may have significant amount of elements, put some effort into trying to avoid style recalcs.
- if (!body() || m_hasNodesWithPlaceholderStyle)
- return;
- for (unsigned i = oldStylesheetCount; i < newStylesheetCount; ++i) {
- if (!newStylesheets[i]->isCSSStyleSheet())
- return;
- if (newStylesheets[i]->disabled())
- continue;
- if (testAddedStylesheetRequiresStyleRecalc(static_cast<CSSStyleSheet*>(newStylesheets[i].get())->contents()))
- return;
- }
- requiresFullStyleRecalc = false;
- }
- static bool styleSheetsUseRemUnits(const Vector<RefPtr<StyleSheet> >& sheets)
- {
- for (unsigned i = 0; i < sheets.size(); ++i) {
- if (!sheets[i]->isCSSStyleSheet())
- continue;
- if (static_cast<CSSStyleSheet*>(sheets[i].get())->contents()->usesRemUnits())
- return true;
- }
- return false;
- }
- void Document::notifySeamlessChildDocumentsOfStylesheetUpdate() const
- {
- // If we're not in a frame yet any potential child documents won't have a StyleResolver to update.
- if (!frame())
- return;
- // Seamless child frames are expected to notify their seamless children recursively, so we only do direct children.
- for (Frame* child = frame()->tree()->firstChild(); child; child = child->tree()->nextSibling()) {
- Document* childDocument = child->document();
- if (childDocument->shouldDisplaySeamlesslyWithParent()) {
- ASSERT(childDocument->seamlessParentIFrame()->document() == this);
- childDocument->seamlessParentUpdatedStylesheets();
- }
- }
- }
- bool Document::updateActiveStylesheets(StyleResolverUpdateFlag updateFlag)
- {
- if (m_inStyleRecalc) {
- // SVG <use> element may manage to invalidate style selector in the middle of a style recalc.
- // https://bugs.webkit.org/show_bug.cgi?id=54344
- // FIXME: This should be fixed in SVG and this code replaced with ASSERT(!m_inStyleRecalc).
- m_hasDirtyStyleResolver = true;
- scheduleForcedStyleRecalc();
- return false;
- }
- if (!renderer() || !attached())
- return false;
- StyleSheetVector newStylesheets;
- collectActiveStylesheets(newStylesheets);
- bool requiresStyleResolverReset;
- bool requiresFullStyleRecalc;
- analyzeStylesheetChange(updateFlag, newStylesheets, requiresStyleResolverReset, requiresFullStyleRecalc);
- if (requiresStyleResolverReset)
- clearStyleResolver();
- else {
- m_styleResolver->appendAuthorStylesheets(m_styleSheets->length(), newStylesheets);
- resetCSSFeatureFlags();
- }
- m_styleSheets->swap(newStylesheets);
- m_usesRemUnits = styleSheetsUseRemUnits(m_styleSheets->vector());
- m_didCalculateStyleResolver = true;
- m_hasDirtyStyleResolver = false;
- notifySeamlessChildDocumentsOfStylesheetUpdate();
- return requiresFullStyleRecalc;
- }
- void Document::setHoverNode(PassRefPtr<Node> newHoverNode)
- {
- m_hoverNode = newHoverNode;
- }
- void Document::setActiveNode(PassRefPtr<Node> newActiveNode)
- {
- m_activeNode = newActiveNode;
- }
- void Document::focusedNodeRemoved()
- {
- setFocusedNode(0);
- }
- void Document::removeFocusedNodeOfSubtree(Node* node, bool amongChildrenOnly)
- {
- if (!m_focusedNode || this->inPageCache()) // If the document is in the page cache, then we don't need to clear out the focused node.
- return;
-
- bool nodeInSubtree = false;
- if (amongChildrenOnly)
- nodeInSubtree = m_focusedNode->isDescendantOf(node);
- else
- nodeInSubtree = (m_focusedNode == node) || m_focusedNode->isDescendantOf(node);
-
- if (nodeInSubtree)
- document()->focusedNodeRemoved();
- }
- void Document::hoveredNodeDetached(Node* node)
- {
- if (!m_hoverNode || (node != m_hoverNode && (!m_hoverNode->isTextNode() || node != m_hoverNode->parentNode())))
- return;
- m_hoverNode = node->parentNode();
- while (m_hoverNode && !m_hoverNode->renderer())
- m_hoverNode = m_hoverNode->parentNode();
- if (frame())
- frame()->eventHandler()->scheduleHoverStateUpdate();
- }
- void Document::activeChainNodeDetached(Node* node)
- {
- if (!m_activeNode || (node != m_activeNode && (!m_activeNode->isTextNode() || node != m_activeNode->parentNode())))
- return;
- m_activeNode = node->parentNode();
- while (m_activeNode && !m_activeNode->renderer())
- m_activeNode = m_activeNode->parentNode();
- }
- #if ENABLE(DASHBOARD_SUPPORT)
- const Vector<DashboardRegionValue>& Document::dashboardRegions() const
- {
- return m_dashboardRegions;
- }
- void Document::setDashboardRegions(const Vector<DashboardRegionValue>& regions)
- {
- m_dashboardRegions = regions;
- setDashboardRegionsDirty(false);
- }
- #endif
- bool Document::setFocusedNode(PassRefPtr<Node> prpNewFocusedNode)
- {
- RefPtr<Node> newFocusedNode = prpNewFocusedNode;
- // Make sure newFocusedNode is actually in this document
- if (newFocusedNode && (newFocusedNode->document() != this))
- return true;
- if (m_focusedNode == newFocusedNode)
- return true;
- if (m_inPageCache)
- return false;
- bool focusChangeBlocked = false;
- RefPtr<Node> oldFocusedNode = m_focusedNode;
- m_focusedNode = 0;
- // Remove focus from the existing focus node (if any)
- if (oldFocusedNode) {
- ASSERT(!oldFocusedNode->inDetach());
- if (oldFocusedNode->active())
- oldFocusedNode->setActive(false);
- oldFocusedNode->setFocus(false);
- // Dispatch a change event for text fields or textareas that have been edited
- if (oldFocusedNode->isElementNode()) {
- Element* element = static_cast<Element*>(oldFocusedNode.get());
- if (element->wasChangedSinceLastFormControlChangeEvent())
- element->dispatchFormControlChangeEvent();
- }
- // Dispatch the blur event and let the node do any other blur related activities (important for text fields)
- oldFocusedNode->dispatchBlurEvent(newFocusedNode);
- if (m_focusedNode) {
- // handler shifted focus
- focusChangeBlocked = true;
- newFocusedNode = 0;
- }
-
- oldFocusedNode->dispatchFocusOutEvent(eventNames().focusoutEvent, newFocusedNode); // 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.
- oldFocusedNode->dispatchFocusOutEvent(eventNames().DOMFocusOutEvent, newFocusedNode); // DOM level 2 name for compatibility.
- if (m_focusedNode) {
- // handler shifted focus
- focusChangeBlocked = true;
- newFocusedNode = 0;
- }
- if (oldFocusedNode == this && oldFocusedNode->hasOneRef())
- return true;
-
- if (oldFocusedNode->isRootEditableElement())
- frame()->editor()->didEndEditing();
- if (view()) {
- Widget* oldWidget = widgetForNode(oldFocusedNode.get());
- if (oldWidget)
- oldWidget->setFocus(false);
- else
- view()->setFocus(false);
- }
- }
- if (newFocusedNode) {
- if (newFocusedNode->isRootEditableElement() && !acceptsEditingFocus(newFocusedNode.get())) {
- // delegate blocks focus change
- focusChangeBlocked = true;
- goto SetFocusedNodeDone;
- }
- // Set focus on the new node
- m_focusedNode = newFocusedNode;
- // Dispatch the focus event and let the node do any other focus related activities (important for text fields)
- m_focusedNode->dispatchFocusEvent(oldFocusedNode);
- if (m_focusedNode != newFocusedNode) {
- // handler shifted focus
- focusChangeBlocked = true;
- goto SetFocusedNodeDone;
- }
- m_focusedNode->dispatchFocusInEvent(eventNames().focusinEvent, oldFocusedNode); // DOM level 3 bubbling focus event.
- if (m_focusedNode != newFocusedNode) {
- // 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_focusedNode->dispatchFocusInEvent(eventNames().DOMFocusInEvent, oldFocusedNode); // DOM level 2 for compatibility.
- if (m_focusedNode != newFocusedNode) {
- // handler shifted focus
- focusChangeBlocked = true;
- goto SetFocusedNodeDone;
- }
- m_focusedNode->setFocus(true);
- if (m_focusedNode->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 = widgetForNode(m_focusedNode.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 = widgetForNode(m_focusedNode.get());
- }
- if (focusWidget)
- focusWidget->setFocus(true);
- else
- view()->setFocus(true);
- }
- }
- #if PLATFORM(MAC) || PLATFORM(WIN) || PLATFORM(GTK) || PLATFORM(CHROMIUM)
- if (!focusChangeBlocked && m_focusedNode && AXObjectCache::accessibilityEnabled()) {
- RenderObject* oldFocusedRenderer = 0;
- RenderObject* newFocusedRenderer = 0;
- if (oldFocusedNode)
- oldFocusedRenderer = oldFocusedNode->renderer();
- if (newFocusedNode)
- newFocusedRenderer = newFocusedNode->renderer();
- axObjectCache()->handleFocusedUIElementChanged(oldFocusedRenderer, newFocusedRenderer);
- }
- #endif
- if (!focusChangeBlocked)
- page()->chrome()->focusedNodeChanged(m_focusedNode.get());
- SetFocusedNodeDone:
- updateStyleIfNeeded();
- return !focusChangeBlocked;
- }
-
- void Document::getFocusableNodes(Vector<RefPtr<Node> >& nodes)
- {
- updateLayout();
- for (Node* node = firstChild(); node; node = node->traverseNextNode()) {
- if (node->isFocusable())
- nodes.append(node);
- }
- }
-
- void Document::setCSSTarget(Element* n)
- {
- if (m_cssTarget)
- m_cssTarget->setNeedsStyleRecalc();
- m_cssTarget = n;
- if (n)
- n->setNeedsStyleRecalc();
- }
- void Document::registerNodeListCache(DynamicNodeListCacheBase* list)
- {
- if (list->type() != InvalidCollectionType)
- m_nodeListCounts[InvalidateOnIdNameAttrChange]++;
- m_nodeListCounts[list->invalidationType()]++;
- if (list->isRootedAtDocument())
- m_listsInvalidatedAtDocument.add(list);
- }
- void Document::unregisterNodeListCache(DynamicNodeListCacheBase* list)
- {
- if (list->type() != InvalidCollectionType)
- m_nodeListCounts[InvalidateOnIdNameAttrChange]--;
- m_nodeListCounts[list->invalidationType()]--;
- if (list->isRootedAtDocument()) {
- ASSERT(m_listsInvalidatedAtDocument.contains(list));
- m_listsInvalidatedAtDocument.remove(list);
- }
- }
- bool Document::shouldInvalidateNodeListCaches(const QualifiedName* attrName) const
- {
- if (attrName) {
- for (int type = DoNotInvalidateOnAttributeChanges + 1; type < numNodeListInvalidationTypes; type++) {
- if (m_nodeListCounts[type] && DynamicNodeListCacheBase::shouldInvalidateTypeOnAttributeChange(static_cast<NodeListInvalidationType>(type), *attrName))
- return true;
- }
- return false;
- }
- for (int type = 0; type < numNodeListInvalidationTypes; type++) {
- if (m_nodeListCounts[type])
- return true;
- }
- return false;
- }
- void Document::invalidateNodeListCaches(const QualifiedName* attrName)
- {
- HashSet<DynamicNodeListCacheBase*>::iterator end = m_listsInvalidatedAtDocument.end();
- for (HashSet<DynamicNodeListCacheBase*>::iterator it = m_listsInvalidatedAtDocument.begin(); it != end; ++it)
- (*it)->invalidateCache(attrName);
- }
- 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::moveNodeIteratorsToNewDocument(Node* node, Document* newDocument)
- {
- HashSet<NodeIterator*> nodeIteratorsList = m_nodeIterators;
- HashSet<NodeIterator*>::const_iterator nodeIteratorsEnd = nodeIteratorsList.end();
- for (HashSet<NodeIterator*>::const_iterator it = nodeIteratorsList.begin(); it != nodeIteratorsEnd; ++it) {
- if ((*it)->root() == node) {
- detachNodeIterator(*it);
- newDocument->attachNodeIterator(*it);
- }
- }
- }
- void Document::updateRangesAfterChildrenChanged(ContainerNode* container)
- {
- if (!m_ranges.isEmpty()) {
- HashSet<Range*>::const_iterator end = m_ranges.end();
- for (HashSet<Range*>::const_iterator it = m_ranges.begin(); it != end; ++it)
- (*it)->nodeChildrenChanged(container);
- }
- }
- void Document::nodeChildrenWillBeRemoved(ContainerNode* container)
- {
- if (!m_ranges.isEmpty()) {
- HashSet<Range*>::const_iterator end = m_ranges.end();
- for (HashSet<Range*>::const_iterator it = m_ranges.begin(); it != end; ++it)
- (*it)->nodeChildrenWillBeRemoved(container);
- }
- HashSet<NodeIterator*>::const_iterator nodeIteratorsEnd = m_nodeIterators.end();
- for (HashSet<NodeIterator*>::const_iterator it = m_nodeIterators.begin(); it != nodeIteratorsEnd; ++it) {
- for (Node* n = container->firstChild(); n; n = n->nextSibling())
- (*it)->nodeWillBeRemoved(n);
- }
- if (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);
- }
- }
- }
- void Document::nodeWillBeRemoved(Node* n)
- {
- HashSet<NodeIterator*>::const_iterator nodeIteratorsEnd = m_nodeIterators.end();
- for (HashSet<NodeIterator*>::const_iterator it = m_nodeIterators.begin(); it != nodeIteratorsEnd; ++it)
- (*it)->nodeWillBeRemoved(n);
- if (!m_ranges.isEmpty()) {
- HashSet<Range*>::const_iterator rangesEnd = m_ranges.end();
- for (HashSet<Range*>::const_iterator it = m_ranges.begin(); it != rangesEnd; ++it)
- (*it)->nodeWillBeRemoved(n);
- }
- if (Frame* frame = this->frame()) {
- frame->eventHandler()->nodeWillBeRemoved(n);
- frame->selection()->nodeWillBeRemoved(n);
- frame->page()->dragCaretController()->nodeWillBeRemoved(n);
- }
- }
- void Document::textInserted(Node* text, unsigned offset, unsigned length)
- {
- if (!m_ranges.isEmpty()) {
- HashSet<Range*>::const_iterator end = m_ranges.end();
- for (HashSet<Range*>::const_iterator it = m_ranges.begin(); it != end; ++it)
- (*it)->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()) {
- HashSet<Range*>::const_iterator end = m_ranges.end();
- for (HashSet<Range*>::const_iterator it = m_ranges.begin(); it != end; ++it)
- (*it)->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);
- HashSet<Range*>::const_iterator end = m_ranges.end();
- for (HashSet<Range*>::const_iterator it = m_ranges.begin(); it != end; ++it)
- (*it)->textNodesMerged(oldNodeWithIndex, offset);
- }
- // FIXME: This should update markers for spelling and grammar checking.
- }
- void Document::textNodeSplit(Text* oldNode)
- {
- if (!m_ranges.isEmpty()) {
- HashSet<Range*>::const_iterator end = m_ranges.end();
- for (HashSet<Range*>::const_iterator it = m_ranges.begin(); it != end; ++it)
- (*it)->textNodeSplit(oldNode);
- }
- // FIXME: This should update markers for spelling and grammar checking.
- }
- // FIXME: eventually, this should return a DOMWindow stored in the document.
- DOMWindow* Document::domWindow() const
- {
- if (!frame())
- return 0;
- // The m_frame pointer is not (not always?) zeroed out when the document is put into b/f cache, so the frame can hold an unrelated document/window pair.
- // FIXME: We should always zero out the frame pointer on navigation to avoid accidentally accessing the new frame content.
- if (m_frame->document() != this)
- return 0;
- return frame()->domWindow();
- }
- void Document::setWindowAttributeEventListener(const AtomicString& eventType, PassRefPtr<EventListener> listener)
- {
- DOMWindow* domWindow = this->domWindow();
- if (!domWindow)
- return;
- domWindow->setAttributeEventListener(eventType, listener);
- }
- EventListener* Document::getWindowAttributeEventListener(const AtomicString& eventType)
- {
- DOMWindow* domWindow = this->domWindow();
- if (!domWindow)
- return 0;
- return domWindow->getAttributeEventListener(eventType);
- }
- void Document::dispatchWindowEvent(PassRefPtr<Event> event, PassRefPtr<EventTarget> target)
- {
- ASSERT(!eventDispatchForbidden());
- DOMWindow* domWindow = this->domWindow();
- if (!domWindow)
- return;
- domWindow->dispatchEvent(event, target);
- }
- void Document::dispatchWindowLoadEvent()
- {
- ASSERT(!eventDispatchForbidden());
- DOMWindow* domWindow = this->domWindow();
- if (!domWindow)
- return;
- domWindow->dispatchLoadEvent();
- m_loadEventFinished = true;
- }
- void Document::enqueueWindowEvent(PassRefPtr<Event> event)
- {
- event->setTarget(domWindow());
- m_eventQueue->enqueueEvent(event);
- }
- void Document::enqueueDocumentEvent(PassRefPtr<Event> event)
- {
- event->setTarget(this);
- m_eventQueue->enqueueEvent(event);
- }
- PassRefPtr<Event> Document::createEvent(const String& eventType, ExceptionCode& ec)
- {
- RefPtr<Event> event = EventFactory::create(eventType);
- if (event)
- return event.release();
- ec = NOT_SUPPORTED_ERR;
- return 0;
- }
- 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().DOMAttrModifiedEvent)
- addListenerType(DOMATTRMODIFIED_LISTENER);
- else if (eventType == eventNames().DOMCharacterDataModifiedEvent)
- addListenerType(DOMCHARACTERDATAMODIFIED_LISTENER);
- else if (eventType == eventNames().overflowchangedEvent)
- addListenerType(OVERFLOWCHANGED_LISTENER);
- else if (eventType == eventNames().webkitAnimationStartEvent)
- addListenerType(ANIMATIONSTART_LISTENER);
- else if (eventType == eventNames().webkitAnimationEndEvent)
- addListenerType(ANIMATIONEND_LISTENER);
- else if (eventType == eventNames().webkitAnimationIterationEvent)
- addListenerType(ANIMATIONITERATION_LISTENER);
- else if (eventType == eventNames().webkitTransitionEndEvent)
- addListenerType(TRANSITIONEND_LISTENER);
- else if (eventType == eventNames().beforeloadEvent)
- addListenerType(BEFORELOAD_LISTENER);
- #if ENABLE(TOUCH_EVENTS)
- else if (eventType == eventNames().touchstartEvent
- || eventType == eventNames().touchmoveEvent
- || eventType == eventNames().touchendEvent
- || eventType == eventNames().touchcancelEvent) {
- addListenerType(TOUCH_LISTENER);
- if (Page* page = this->page())
- page->chrome()->client()->needTouchEvents(true);
- }
- #endif
- else if (eventType == eventNames().scrollEvent)
- addListenerType(SCROLL_LISTENER);
- else if (eventType == eventNames().webkitRegionLayoutUpdateEvent)
- addListenerType(REGIONLAYOUTUPDATE_LISTENER);
- }
- CSSStyleDeclaration* Document::getOverrideStyle(Element*, const String&)
- {
- return 0;
- }
- HTMLFrameOwnerElement* Document::ownerElement() const
- {
- if (!frame())
- return 0;
- return frame()->ownerElement();
- }
- String Document::cookie(ExceptionCode& ec) const
- {
- if (page() && !page()->settings()->cookieEnabled())
- return String();
- // FIXME: The HTML5 DOM spec states that this attribute can raise an
- // INVALID_STATE_ERR exception on getting if the Document has no
- // browsing context.
- if (!securityOrigin()->canAccessCookies()) {
- ec = SECURITY_ERR;
- return String();
- }
- KURL cookieURL = this->cookieURL();
- if (cookieURL.isEmpty())
- return String();
- return cookies(this, cookieURL);
- }
- void Document::setCookie(const String& value, ExceptionCode& ec)
- {
- if (page() && !page()->settings()->cookieEnabled())
- return;
- // FIXME: The HTML5 DOM spec states that this attribute can raise an
- // INVALID_STATE_ERR exception on setting if the Document has no
- // browsing context.
- if (!securityOrigin()->canAccessCookies()) {
- ec = SECURITY_ERR;
- return;
- }
- KURL cookieURL = this->cookieURL();
- if (cookieURL.isEmpty())
- return;
- setCookies(this, cookieURL, value);
- }
- String Document::referrer() const
- {
- if (frame())
- return frame()->loader()->referrer();
- return String();
- }
- String Document::domain() const
- {
- return securityOrigin()->domain();
- }
- void Document::setDomain(const String& newDomain, ExceptionCode& ec)
- {
- if (SchemeRegistry::isDomainRelaxationForbiddenForURLScheme(securityOrigin()->protocol())) {
- ec = SECURITY_ERR;
- return;
- }
- // Both NS and IE specify that changing the domain is only allowed when
- // the new domain is a suffix of the old domain.
- // FIXME: We should add logging indicating why a domain was not allowed.
- // If the new domain is the same as the old domain, 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 (equalIgnoringCase(domain(), newDomain)) {
- securityOrigin()->setDomainFromDOM(newDomain);
- if (m_frame)
- m_frame->script()->updateSecurityOrigin();
- return;
- }
- int oldLength = domain().length();
- int newLength = newDomain.length();
- // e.g. newDomain = webkit.org (10) and domain() = www.webkit.org (14)
- if (newLength >= oldLength) {
- ec = SECURITY_ERR;
- return;
- }
- String test = domain();
- // Check that it's a subdomain, not e.g. "ebkit.org"
- if (test[oldLength - newLength - 1] != '.') {
- ec = SECURITY_ERR;
- return;
- }
- // Now test is "webkit.org" from domain()
- // and we check that it's the same thing as newDomain
- test.remove(0, oldLength - newLength);
- if (test != newDomain) {
- ec = SECURITY_ERR;
- return;
- }
- securityOrigin()->setDomainFromDOM(newDomain);
- if (m_frame)
- m_frame->script()->updateSecurityOrigin();
- }
- // http://www.whatwg.org/specs/web-apps/current-work/#dom-document-lastmodified
- String Document::lastModified() const
- {
- DateComponents date;
- bool foundDate = false;
- if (m_frame) {
- String httpLastModified;
- if (DocumentLoader* documentLoader = loader())
- httpLastModified = documentLoader->response().httpHeaderField("Last-Modified");
- if (!httpLastModified.isEmpty()) {
- date.setMillisecondsSinceEpochForDateTime(parseDate(httpLastModified));
- foundDate = true;
- }
- }
- // FIXME: If this document came from the file system, the HTML5
- // specificiation tells us to read the last modification date from the file
- // system.
- if (!foundDate)
- date.setMillisecondsSinceEpochForDateTime(currentTimeMS());
- return String::format("%02d/%02d/%04d %02d:%02d:%02d", date.month() + 1, date.monthDay(), date.fullYear(), date.hour(), date.minute(), date.second());
- }
- 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;
- const UChar* characters;
- if (name.is8Bit()) {
- if (isValidNameASCII(name.characters8(), length))
- return true;
- characters = name.characters();
- } else {
- characters = name.characters16();
- if (isValidNameASCII(characters, length))
- return true;
- }
- return isValidNameNonASCII(characters, length);
- }
- bool Document::parseQualifiedName(const String& qualifiedName, String& prefix, String& localName, ExceptionCode& ec)
- {
- unsigned length = qualifiedName.length();
- if (!length) {
- ec = INVALID_CHARACTER_ERR;
- return false;
- }
- bool nameStart = true;
- bool sawColon = false;
- int colonPos = 0;
- const UChar* s = qualifiedName.characters();
- for (unsigned i = 0; i < length;) {
- UChar32 c;
- U16_NEXT(s, i, length, c)
- if (c == ':') {
- if (sawColon) {
- ec = NAMESPACE_ERR;
- return false; // multiple colons: not allowed
- }
- nameStart = true;
- sawColon = true;
- colonPos = i - 1;
- } else if (nameStart) {
- if (!isValidNameStart(c)) {
- ec = INVALID_CHARACTER_ERR;
- return false;
- }
- nameStart = false;
- } else {
- if (!isValidNamePart(c)) {
- ec = INVALID_CHARACTER_ERR;
- return false;
- }
- }
- }
- if (!sawColon) {
- prefix = String();
- localName = qualifiedName;
- } else {
- prefix = qualifiedName.substring(0, colonPos);
- if (prefix.isEmpty()) {
- ec = NAMESPACE_ERR;
- return false;
- }
- localName = qualifiedName.substring(colonPos + 1);
- }
- if (localName.isEmpty()) {
- ec = NAMESPACE_ERR;
- return false;
- }
- return true;
- }
- void Document::setDecoder(PassRefPtr<TextResourceDecoder> decoder)
- {
- m_decoder = decoder;
- }
- KURL Document::completeURL(const String& url, const KURL& baseURLOverride) const
- {
- // Always return a null URL when passed a null string.
- // FIXME: Should we change the KURL constructor to have this behavior?
- // See also [CSS]StyleSheet::completeURL(const String&)
- if (url.isNull())
- return KURL();
- const KURL& baseURL = ((baseURLOverride.isEmpty() || baseURLOverride == blankURL()) && parentDocument()) ? parentDocument()->baseURL() : baseURLOverride;
- if (!m_decoder)
- return KURL(baseURL, url);
- return KURL(baseURL, url, m_decoder->encoding());
- }
- KURL Document::completeURL(const String& url) const
- {
- return completeURL(url, m_baseURL);
- }
- void Document::setInPageCache(bool flag)
- {
- if (m_inPageCache == flag)
- return;
- m_inPageCache = flag;
- FrameView* v = view();
- if (flag) {
- ASSERT(!m_savedRenderer);
- m_savedRenderer = renderer();
- if (v) {
- v->cacheCurrentScrollPosition();
- if (page() && page()->mainFrame() == m_frame)
- v->resetScrollbarsAndClearContentsSize();
- else
- v->resetScrollbars();
- }
- m_styleRecalcTimer.stop();
- } else {
- ASSERT(!renderer() || renderer() == m_savedRenderer);
- ASSERT(m_renderArena);
- setRenderer(m_savedRenderer);
- m_savedRenderer = 0;
- if (childNeedsStyleRecalc())
- scheduleStyleRecalc();
- }
- }
- void Document::documentWillBecomeInactive()
- {
- #if USE(ACCELERATED_COMPOSITING)
- if (renderer())
- renderView()->willMoveOffscreen();
- #endif
- }
- void Document::documentWillSuspendForPageCache()
- {
- documentWillBecomeInactive();
- HashSet<Element*>::iterator end = m_documentSuspensionCallbackElements.end();
- for (HashSet<Element*>::iterator i = m_documentSuspensionCallbackElements.begin(); i != end; ++i)
- (*i)->documentWillSuspendForPageCache();
- #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
- }
- void Document::documentDidResumeFromPageCache()
- {
- Vector<Element*> elements;
- copyToVector(m_documentSuspensionCallbackElements, elements);
- Vector<Element*>::iterator end = elements.end();
- for (Vector<Element*>::iterator i = elements.begin(); i != end; ++i)
- (*i)->documentDidResumeFromPageCache();
- #if USE(ACCELERATED_COMPOSITING)
- if (renderer())
- renderView()->didMoveOnscreen();
- #endif
- if (FrameView* frameView = view())
- frameView->setAnimatorsAreActive();
- ASSERT(m_frame);
- m_frame->loader()->client()->dispatchDidBecomeFrameset(isFrameSet());
- }
- void Document::registerForPageCacheSuspensionCallbacks(Element* e)
- {
- m_documentSuspensionCallbackElements.add(e);
- }
- void Document::unregisterForPageCacheSuspensionCallbacks(Element* e)
- {
- m_documentSuspensionCallbackElements.remove(e);
- }
- void Document::mediaVolumeDidChange()
- {
- HashSet<Element*>::iterator end = m_mediaVolumeCallbackElements.end();
- for (HashSet<Element*>::iterator i = m_mediaVolumeCallbackElements.begin(); i != end; ++i)
- (*i)->mediaVolumeDidChange();
- }
- void Document::registerForMediaVolumeCallbacks(Element* e)
- {
- m_mediaVolumeCallbackElements.add(e);
- }
- void Document::unregisterForMediaVolumeCallbacks(Element* e)
- {
- m_mediaVolumeCallbackElements.remove(e);
- }
- void Document::privateBrowsingStateDidChange()
- {
- HashSet<Element*>::iterator end = m_privateBrowsingStateChangedElements.end();
- for (HashSet<Element*>::iterator it = m_privateBrowsingStateChangedElements.begin(); it != end; ++it)
- (*it)->privateBrowsingStateDidChange();
- }
- void Document::registerForPrivateBrowsingStateChangedCallbacks(Element* e)
- {
- m_privateBrowsingStateChangedElements.add(e);
- }
- void Document::unregisterForPrivateBrowsingStateChangedCallbacks(Element* e)
- {
- m_privateBrowsingStateChangedElements.remove(e);
- }
- 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)
- {
- 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)
- {
- 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();
- }
- KURL Document::openSearchDescriptionURL()
- {
- static const char* const openSearchMIMEType = "application/opensearchdescription+xml";
- static const char* const openSearchRelation = "search";
- // FIXME: Why do only top-level frames have openSearchDescriptionURLs?
- if (!frame() || frame()->tree()->parent())
- return KURL();
- // FIXME: Why do we need to wait for FrameStateComplete?
- if (frame()->loader()->state() != FrameStateComplete)
- return KURL();
- if (!head())
- return KURL();
- RefPtr<HTMLCollection> children = head()->children();
- for (unsigned i = 0; Node* child = children->item(i); i++) {
- if (!child->hasTagName(linkTag))
- continue;
- HTMLLinkElement* linkElement = static_cast<HTMLLinkElement*>(child);
- if (!equalIgnoringCase(linkElement->type(), openSearchMIMEType) || !equalIgnoringCase(linkElement->rel(), openSearchRelation))
- continue;
- if (linkElement->href().isEmpty())
- continue;
- return linkElement->href();
- }
- return KURL();
- }
- #if ENABLE(XSLT)
- void Document::applyXSLTransform(ProcessingInstruction* pi)
- {
- RefPtr<XSLTProcessor> processor = XSLTProcessor::create();
- processor->setXSLStyleSheet(static_cast<XSLStyleSheet*>(pi->sheet()));
- String resultMIMEType;
- String newSource;
- String resultEncoding;
- if (!processor->transformToString(this, resultMIMEType, newSource, resultEncoding))
- return;
- // FIXME: If the transform failed we should probably report an error (like Mozilla does).
- processor->createDocumentFromSource(newSource, resultEncoding, resultMIMEType, this, frame());
- }
- void Document::setTransformSource(PassOwnPtr<TransformSource> source)
- {
- m_transformSource = 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();
- }
- Document::InheritedBool Document::getDesignMode() const
- {
- 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 0;
- Frame* parent = m_frame->tree()->parent();
- if (!parent)
- return 0;
- return parent->document();
- }
- Document* Document::topDocument() const
- {
- Document* doc = const_cast<Document *>(this);
- Element* element;
- while ((element = doc->ownerElement()))
- doc = element->document();
-
- return doc;
- }
- PassRefPtr<Attr> Document::createAttribute(const String& name, ExceptionCode& ec)
- {
- return createAttributeNS(String(), name, ec, true);
- }
- PassRefPtr<Attr> Document::createAttributeNS(const String& namespaceURI, const String& qualifiedName, ExceptionCode& ec, bool shouldIgnoreNamespaceChecks)
- {
- String prefix, localName;
- if (!parseQualifiedName(qualifiedName, prefix, localName, ec))
- return 0;
- QualifiedName qName(prefix, localName, namespaceURI);
- if (!shouldIgnoreNamespaceChecks && !hasValidNamespaceForAttributes(qName)) {
- ec = NAMESPACE_ERR;
- return 0;
- }
- return Attr::create(this, qName, emptyString());
- }
- #if ENABLE(SVG)
- const SVGDocumentExtensions* Document::svgExtensions()
- {
- return m_svgExtensions.get();
- }
- SVGDocumentExtensions* Document::accessSVGExtensions()
- {
- if (!m_svgExtensions)
- m_svgExtensions = adoptPtr(new SVGDocumentExtensions(this));
- return m_svgExtensions.get();
- }
- bool Document::hasSVGRootNode() const
- {
- return documentElement() && documentElement()->hasTagName(SVGNames::svgTag);
- }
- #endif
- // FIXME: This caching mechanism should be merged that of DynamicNodeList in NodeRareData.
- PassRefPtr<HTMLCollection> Document::cachedCollection(CollectionType type)
- {
- ASSERT(static_cast<unsigned>(type) < NumUnnamedDocumentCachedTypes);
- if (m_collections[type])
- return m_collections[type];
- RefPtr<HTMLCollection> collection;
- if (type == DocAll)
- collection = HTMLAllCollection::create(this);
- else
- collection = HTMLCollection::create(this, type);
- m_collections[type] = collection.get();
- return collection.release();
- }
- void Document::removeCachedHTMLCollection(HTMLCollection* collection, CollectionType type)
- {
- ASSERT_UNUSED(collection, m_collections[type] == collection);
- m_collections[type] = 0;
- }
- PassRefPtr<HTMLCollection> Document::images()
- {
- return cachedCollection(DocImages);
- }
- PassRefPtr<HTMLCollection> Document::applets()
- {
- return cachedCollection(DocApplets);
- }
- PassRefPtr<HTMLCollection> Document::embeds()
- {
- return cachedCollection(DocEmbeds);
- }
- PassRefPtr<HTMLCollection> Document::plugins()
- {
- // This is an alias for embeds() required for the JS DOM bindings.
- return cachedCollection(DocEmbeds);
- }
- PassRefPtr<HTMLCollection> Document::objects()
- {
- return cachedCollection(DocObjects);
- }
- PassRefPtr<HTMLCollection> Document::scripts()
- {
- return cachedCollection(DocScripts);
- }
- PassRefPtr<HTMLCollection> Document::links()
- {
- return cachedCollection(DocLinks);
- }
- PassRefPtr<HTMLCollection> Document::forms()
- {
- return cachedCollection(DocForms);
- }
- PassRefPtr<HTMLCollection> Document::anchors()
- {
- return cachedCollection(DocAnchors);
- }
- PassRefPtr<HTMLCollection> Document::all()
- {
- return cachedCollection(DocAll);
- }
- PassRefPtr<HTMLCollection> Document::windowNamedItems(const AtomicString& name)
- {
- NamedCollectionMap::AddResult result = m_windowNamedItemCollections.add(name, 0);
- if (!result.isNewEntry)
- return result.iterator->second;
- RefPtr<HTMLNameCollection> collection = HTMLNameCollection::create(this, WindowNamedItems, name);
- result.iterator->second = collection.get();
- return collection.release();
- }
- PassRefPtr<HTMLCollection> Document::documentNamedItems(const AtomicString& name)
- {
- NamedCollectionMap::AddResult result = m_documentNamedItemCollections.add(name, 0);
- if (!result.isNewEntry)
- return result.iterator->second;
- RefPtr<HTMLNameCollection> collection = HTMLNameCollection::create(this, DocumentNamedItems, name);
- result.iterator->second = collection.get();
- return collection.release();
- }
- // FIXME: This caching mechanism should be merged that of DynamicNodeList in NodeRareData.
- void Document::removeWindowNamedItemCache(HTMLCollection* collection, const AtomicString& name)
- {
- ASSERT_UNUSED(collection, m_windowNamedItemCollections.get(name) == collection);
- m_windowNamedItemCollections.remove(name);
- }
- void Document::removeDocumentNamedItemCache(HTMLCollection* collection, const AtomicString& name)
- {
- ASSERT_UNUSED(collection, m_documentNamedItemCollections.get(name) == collection);
- m_documentNamedItemCollections.remove(name);
- }
- void Document::finishedParsing()
- {
- ASSERT(!scriptableDocumentParser() || !m_parser->isParsing());
- ASSERT(!scriptableDocumentParser() || m_readyState != Loading);
- setParsing(false);
- if (!m_documentTiming.domContentLoadedEventStart)
- m_documentTiming.domContentLoadedEventStart = monotonicallyIncreasingTime();
- dispatchEvent(Event::create(eventNames().DOMContentLoadedEvent, true, false));
- if (!m_documentTiming.domContentLoadedEventEnd)
- m_documentTiming.domContentLoadedEventEnd = monotonicallyIncreasingTime();
- if (RefPtr<Frame> f = frame()) {
- // 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 recalcStyle(). 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();
- f->loader()->finishedParsing();
- InspectorInstrumentation::domContentLoadedEventFired(f.get());
- }
- }
- PassRefPtr<XPathExpression> Document::createExpression(const String& expression,
- XPathNSResolver* resolver,
- ExceptionCode& ec)
- {
- if (!m_xpathEvaluator)
- m_xpathEvaluator = XPathEvaluator::create();
- return m_xpathEvaluator->createExpression(expression, resolver, ec);
- }
- PassRefPtr<XPathNSResolver> Document::createNSResolver(Node* nodeResolver)
- {
- if (!m_xpathEvaluator)
- m_xpathEvaluator = XPathEvaluator::create();
- return m_xpathEvaluator->createNSResolver(nodeResolver);
- }
- PassRefPtr<XPathResult> Document::evaluate(const String& expression,
- Node* contextNode,
- XPathNSResolver* resolver,
- unsigned short type,
- XPathResult* result,
- ExceptionCode& ec)
- {
- if (!m_xpathEvaluator)
- m_xpathEvaluator = XPathEvaluator::create();
- return m_xpathEvaluator->evaluate(expression, contextNode, resolver, type, result, ec);
- }
- const Vector<IconURL>& Document::iconURLs()
- {
- m_iconURLs.clear();
- if (!head() || !(head()->children()))
- return m_iconURLs;
- // Include any icons where type = link, rel = "shortcut icon".
- RefPtr<HTMLCollection> children = head()->children();
- unsigned int length = children->length();
- for (unsigned int i = 0; i < length; ++i) {
- Node* child = children->item(i);
- if (!child->hasTagName(linkTag))
- continue;
- HTMLLinkElement* linkElement = static_cast<HTMLLinkElement*>(child);
- if (linkElement->iconType() != Favicon)
- continue;
- if (linkElement->href().isEmpty())
- continue;
- // Put it at the front to ensure that icons seen later take precedence as required by the spec.
- IconURL newURL(linkElement->href(), linkElement->iconSizes(), linkElement->type(), linkElement->iconType());
- m_iconURLs.prepend(newURL);
- }
- return m_iconURLs;
- }
- void Document::addIconURL(const String& url, const String& mimeType, const String& sizes, IconType iconType)
- {
- if (url.isEmpty())
- return;
- // FIXME - <rdar://problem/4727645> - At some point in the future, we might actually honor the "mimeType"
- IconURL newURL(KURL(ParsedURLString, url), sizes, mimeType, iconType);
- if (Frame* f = frame()) {
- IconURL iconURL = f->loader()->icon()->iconURL(iconType);
- if (iconURL == newURL)
- f->loader()->didChangeIcons(iconType);
- }
- }
- void Document::setUseSecureKeyboardEntryWhenActive(bool usesSecureKeyboard)
- {
- if (m_useSecureKeyboardEntryWhenActive == usesSecureKeyboard)
- return;
- m_useSecureKeyboardEntryWhenActive = usesSecureKeyboard;
- m_frame->selection()->updateSecureKeyboardEntryIfActive();
- }
- bool Document::useSecureKeyboardEntryWhenActive() const
- {
- return m_useSecureKeyboardEntryWhenActive;
- }
- static bool isEligibleForSeamless(Document* parent, Document* child)
- {
- // It should not matter what we return for the top-most document.
- if (!parent)
- return false;
- if (parent->isSandboxed(SandboxSeamlessIframes))
- return false;
- if (child->isSrcdocDocument())
- return true;
- if (parent->securityOrigin()->canAccess(child->securityOrigin()))
- return true;
- return parent->securityOrigin()->canRequest(child->url());
- }
- void Document::initSecurityContext()
- {
- if (haveInitializedSecurityOrigin()) {
- ASSERT(securityOrigin());
- return;
- }
- if (!m_frame) {
- // No source for a security context.
- // This can occur via document.implementation.createDocument().
- m_cookieURL = KURL(ParsedURLString, emptyString());
- setSecurityOrigin(SecurityOrigin::createUnique());
- setContentSecurityPolicy(ContentSecurityPolicy::create(this));
- return;
- }
- // In the common case, create the security context from the currently
- // loading URL with a fresh content security policy.
- m_cookieURL = m_url;
- enforceSandboxFlags(m_frame->loader()->effectiveSandboxFlags());
- setSecurityOrigin(isSandboxed(SandboxOrigin) ? SecurityOrigin::createUnique() : SecurityOrigin::create(m_url));
- setContentSecurityPolicy(ContentSecurityPolicy::create(this));
- if (SecurityPolicy::allowSubstituteDataAccessToLocal()) {
- // If this document was loaded with substituteData, then the document can
- // load local resources. See https://bugs.webkit.org/show_bug.cgi?id=16756
- // and https://bugs.webkit.org/show_bug.cgi?id=19760 for further
- // discussion.
-
- // RT-17330: Need to use "m_frame->loader()->documentLoader()" instead
- // of "loader()" as the latter returns NULL while the document is being
- // constructed
- // DocumentLoader* documentLoader = loader();
- DocumentLoader* documentLoader = m_frame->loader()->documentLoader();
- if (documentLoader && documentLoader->substituteData().isValid())
- securityOrigin()->grantLoadLocalResources();
- }
- if (Settings* settings = this->settings()) {
- if (!settings->isWebSecurityEnabled()) {
- // 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()->enforceFilePathSeparation();
- }
- }
- }
- Document* parentDocument = ownerElement() ? ownerElement()->document() : 0;
- if (parentDocument && m_frame->loader()->shouldTreatURLAsSrcdocDocument(url())) {
- m_isSrcdocDocument = true;
- setBaseURLOverride(parentDocument->baseURL());
- }
- // FIXME: What happens if we inherit the security origin? This check may need to be later.
- // <iframe seamless src="about:blank"> likely won't work as-is.
- m_mayDisplaySeamlessWithParent = isEligibleForSeamless(parentDocument, this);
- if (!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* ownerFrame = m_frame->tree()->parent();
- if (!ownerFrame)
- ownerFrame = m_frame->loader()->opener();
- if (!ownerFrame) {
- didFailToInitializeSecurityOrigin();
- return;
- }
- 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;
- }
- m_cookieURL = ownerFrame->document()->cookieURL();
- // We alias the SecurityOrigins to match Firefox, see Bug 15313
- // https://bugs.webkit.org/show_bug.cgi?id=15313
- setSecurityOrigin(ownerFrame->document()->securityOrigin());
- }
- void Document::initContentSecurityPolicy()
- {
- if (!m_frame->tree()->parent() || !shouldInheritSecurityOriginFromOwner(m_url))
- return;
- contentSecurityPolicy()->copyStateFrom(m_frame->tree()->parent()->document()->contentSecurityPolicy());
- }
- void Document::didUpdateSecurityOrigin()
- {
- if (!m_frame)
- return;
- // FIXME: We should remove DOMWindow::m_securityOrigin so that we don't need to keep them in sync.
- // See <https://bugs.webkit.org/show_bug.cgi?id=75793>.
- m_frame->domWindow()->setSecurityOrigin(securityOrigin());
- m_frame->script()->updateSecurityOrigin();
- }
- bool Document::isContextThread() const
- {
- return isMainThread();
- }
- void Document::updateURLForPushOrReplaceState(const KURL& url)
- {
- Frame* f = frame();
- if (!f)
- return;
- setURL(url);
- f->loader()->setOutgoingReferrer(url);
- if (DocumentLoader* documentLoader = loader())
- documentLoader->replaceRequestURLForSameDocumentNavigation(url);
- }
- void Document::statePopped(PassRefPtr<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)
- enqueuePopstateEvent(stateObject);
- else
- m_pendingStateObject = stateObject;
- }
- void Document::updateFocusAppearanceSoon(bool restorePreviousSelection)
- {
- m_updateFocusAppearanceRestoresSelection = restorePreviousSelection;
- if (!m_updateFocusAppearanceTimer.isActive())
- m_updateFocusAppearanceTimer.startOneShot(0);
- }
- void Document::cancelFocusAppearanceUpdate()
- {
- m_updateFocusAppearanceTimer.stop();
- }
- void Document::updateFocusAppearanceTimerFired(Timer<Document>*)
- {
- Node* node = focusedNode();
- if (!node)
- return;
- if (!node->isElementNode())
- return;
- updateLayout();
- Element* element = static_cast<Element*>(node);
- if (element->isFocusable())
- element->updateFocusAppearance(m_updateFocusAppearanceRestoresSelection);
- }
- 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);
- }
- CanvasRenderingContext* Document::getCSSCanvasContext(const String& type, const String& name, int width, int height)
- {
- HTMLCanvasElement* element = getCSSCanvasElement(name);
- if (!element)
- return 0;
- element->setSize(IntSize(width, height));
- return element->getContext(type);
- }
- HTMLCanvasElement* Document::getCSSCanvasElement(const String& name)
- {
- RefPtr<HTMLCanvasElement>& element = m_cssCanvasElements.add(name, 0).iterator->second;
- if (!element)
- element = HTMLCanvasElement::create(this);
- return element.get();
- }
- void Document::initDNSPrefetch()
- {
- Settings* settings = this->settings();
- m_haveExplicitlyDisabledDNSPrefetch = false;
- m_isDNSPrefetchEnabled = settings && 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 (equalIgnoringCase(dnsPrefetchControl, "on") && !m_haveExplicitlyDisabledDNSPrefetch) {
- m_isDNSPrefetchEnabled = true;
- return;
- }
- m_isDNSPrefetchEnabled = false;
- m_haveExplicitlyDisabledDNSPrefetch = true;
- }
- void Document::addMessage(MessageSource source, MessageType type, MessageLevel level, const String& message, const String& sourceURL, unsigned lineNumber, PassRefPtr<ScriptCallStack> callStack)
- {
- if (!isContextThread()) {
- postTask(AddConsoleMessageTask::create(source, type, level, message));
- return;
- }
- if (DOMWindow* window = domWindow())
- window->console()->addMessage(source, type, level, message, sourceURL, lineNumber, callStack);
- }
- struct PerformTaskContext {
- WTF_MAKE_NONCOPYABLE(PerformTaskContext); WTF_MAKE_FAST_ALLOCATED;
- public:
- PerformTaskContext(PassRefPtr<DocumentWeakReference> documentReference, PassOwnPtr<ScriptExecutionContext::Task> task)
- : documentReference(documentReference)
- , task(task)
- {
- }
- RefPtr<DocumentWeakReference> documentReference;
- OwnPtr<ScriptExecutionContext::Task> task;
- };
- void Document::didReceiveTask(void* untypedContext)
- {
- ASSERT(isMainThread());
- OwnPtr<PerformTaskContext> context = adoptPtr(static_cast<PerformTaskContext*>(untypedContext));
- ASSERT(context);
- Document* document = context->documentReference->document();
- if (!document)
- return;
- Page* page = document->page();
- if ((page && page->defersLoading()) || !document->m_pendingTasks.isEmpty()) {
- document->m_pendingTasks.append(context->task.release());
- return;
- }
- context->task->performTask(document);
- }
- void Document::postTask(PassOwnPtr<Task> task)
- {
- callOnMainThread(didReceiveTask, new PerformTaskContext(m_weakReference, task));
- }
- void Document::pendingTasksTimerFired(Timer<Document>*)
- {
- while (!m_pendingTasks.isEmpty()) {
- OwnPtr<Task> task = m_pendingTasks[0].release();
- m_pendingTasks.remove(0);
- task->performTask(this);
- }
- }
- void Document::suspendScheduledTasks(ActiveDOMObject::ReasonForSuspension reason)
- {
- ASSERT(!m_scheduledTasksAreSuspended);
- suspendScriptedAnimationControllerCallbacks();
- suspendActiveDOMObjects(reason);
- scriptRunner()->suspend();
- m_pendingTasksTimer.stop();
- if (m_parser)
- m_parser->suspendScheduledTasks();
- m_scheduledTasksAreSuspended = true;
- }
- void Document::resumeScheduledTasks()
- {
- ASSERT(m_scheduledTasksAreSuspended);
- if (m_parser)
- m_parser->resumeScheduledTasks();
- if (!m_pendingTasks.isEmpty())
- m_pendingTasksTimer.startOneShot(0);
- scriptRunner()->resume();
- resumeActiveDOMObjects();
- resumeScriptedAnimationControllerCallbacks();
-
- m_scheduledTasksAreSuspended = false;
- }
- void Document::suspendScriptedAnimationControllerCallbacks()
- {
- #if ENABLE(REQUEST_ANIMATION_FRAME)
- if (m_scriptedAnimationController)
- m_scriptedAnimationController->suspend();
- #endif
- }
- void Document::resumeScriptedAnimationControllerCallbacks()
- {
- #if ENABLE(REQUEST_ANIMATION_FRAME)
- if (m_scriptedAnimationController)
- m_scriptedAnimationController->resume();
- #endif
- }
- void Document::windowScreenDidChange(PlatformDisplayID displayID)
- {
- #if ENABLE(REQUEST_ANIMATION_FRAME)
- if (m_scriptedAnimationController)
- m_scriptedAnimationController->windowScreenDidChange(displayID);
- #else
- UNUSED_PARAM(displayID);
- #endif
- }
- String Document::displayStringModifiedByEncoding(const String& str) const
- {
- if (m_decoder)
- return m_decoder->encoding().displayString(str.impl());
- return str;
- }
- PassRefPtr<StringImpl> Document::displayStringModifiedByEncoding(PassRefPtr<StringImpl> str) const
- {
- if (m_decoder)
- return m_decoder->encoding().displayString(str);
- return str;
- }
- void Document::displayBufferModifiedByEncoding(UChar* buffer, unsigned len) const
- {
- if (m_decoder)
- m_decoder->encoding().displayBuffer(buffer, len);
- }
- void Document::enqueuePageshowEvent(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::enqueuePopstateEvent(PassRefPtr<SerializedScriptValue> stateObject)
- {
- // FIXME: https://bugs.webkit.org/show_bug.cgi?id=36202 Popstate event needs to fire asynchronously
- dispatchWindowEvent(PopStateEvent::create(stateObject, domWindow() ? domWindow()->history() : 0));
- }
- 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()
- {
- HashSet<MediaCanStartListener*>::iterator slot = m_mediaCanStartListeners.begin();
- if (slot == m_mediaCanStartListeners.end())
- return 0;
- MediaCanStartListener* listener = *slot;
- m_mediaCanStartListeners.remove(slot);
- return listener;
- }
- #if ENABLE(FULLSCREEN_API)
- bool Document::fullScreenIsAllowedForElement(Element* element) const
- {
- ASSERT(element);
- return isAttributeOnAllOwners(webkitallowfullscreenAttr, element->document()->ownerElement());
- }
- void Document::requestFullScreenForElement(Element* element, unsigned short flags, FullScreenCheckType checkType)
- {
- // The Mozilla Full Screen API <https://wiki.mozilla.org/Gecko:FullScreenAPI> has different requirements
- // for full screen mode, and do not have the concept of a full screen element stack.
- bool inLegacyMozillaMode = (flags & Element::LEGACY_MOZILLA_REQUEST);
- 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->inDocument())
- 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. (NOTE: Ignore this requirement if the request was
- // made via the legacy Mozilla-style API.)
- if (!m_fullScreenElementStack.isEmpty() && !m_fullScreenElementStack.first()->contains(element) && !inLegacyMozillaMode)
- break;
- // A descendant browsing context's document has a non-empty fullscreen element stack.
- bool descendentHasNonEmptyStack = false;
- for (Frame* descendant = frame() ? frame()->tree()->traverseNext() : 0; descendant; descendant = descendant->tree()->traverseNext()) {
- if (descendant->document()->webkitFullscreenElement()) {
- descendentHasNonEmptyStack = true;
- break;
- }
- }
- if (descendentHasNonEmptyStack && !inLegacyMozillaMode)
- 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 (!ScriptController::processingUserGesture())
- break;
- // There is a previously-established user preference, security risk, or platform limitation.
- if (!page() || !page()->settings()->fullScreenEnabled())
- break;
-
- if (!page()->chrome()->client()->supportsFullScreenForElement(element, flags & Element::ALLOW_KEYBOARD_INPUT))
- 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() ? currentDoc->ownerElement()->document() : 0;
- } 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 : 0;
- // 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 = flags & Element::ALLOW_KEYBOARD_INPUT;
- 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_fullScreenChangeDelayTimer.startOneShot(0);
- }
- 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."
- 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():
- Deque<RefPtr<Element> > replacementFullscreenElementStack;
- replacementFullscreenElementStack.prepend(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() : 0; 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 (Deque<RefPtr<Document> >::iterator i = descendants.begin(); i != descendants.end(); ++i) {
- (*i)->clearFullscreenElementStack();
- addDocumentToFullScreenChangeEventQueue(i->get());
- }
- // 5. While doc is not null, run these substeps:
- Element* newTop = 0;
- 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->inDocument() || newTop->document() != currentDoc))
- continue;
- // 2. Queue a task to fire an event named fullscreenchange with its bubbles attribute set to true
- // on doc.
- Node* target = currentDoc->m_fullScreenElement.get();
- if (!target)
- target = currentDoc;
- 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 = currentDoc->ownerElement()->document();
- // 4. Otherwise, set doc to null.
- currentDoc = 0;
- }
- // 6. Return, and run the remaining steps asynchronously.
- // 7. Optionally, perform some animation.
- // 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(m_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(webkitallowfullscreenAttr, ownerElement());
- }
- void Document::webkitWillEnterFullScreenForElement(Element* element)
- {
- if (!attached() || inPageCache())
- return;
- ASSERT(element);
- // Protect against being called after the document has been removed from the page.
- if (!page())
- return;
- ASSERT(page()->settings()->fullScreenEnabled());
- if (m_fullScreenRenderer)
- m_fullScreenRenderer->unwrapRenderer();
- 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.
- RenderObject* renderer = m_fullScreenElement->renderer();
- bool shouldCreatePlaceholder = renderer && renderer->isBox();
- if (shouldCreatePlaceholder) {
- m_savedPlaceholderFrameRect = toRenderBox(renderer)->frameRect();
- m_savedPlaceholderRenderStyle = RenderStyle::clone(renderer->style());
- }
- if (m_fullScreenElement != documentElement())
- RenderFullScreen::wrapRenderer(renderer, this);
- m_fullScreenElement->setContainsFullScreenElementOnAncestorsCrossingFrameBoundaries(true);
-
- recalcStyle(Force);
- }
- void Document::webkitDidEnterFullScreenForElement(Element*)
- {
- if (!m_fullScreenElement)
- return;
- if (!attached() || inPageCache())
- return;
- m_fullScreenElement->didBecomeFullscreenElement();
- m_fullScreenChangeDelayTimer.startOneShot(0);
- }
- void Document::webkitWillExitFullScreenForElement(Element*)
- {
- if (!m_fullScreenElement)
- return;
- if (!attached() || inPageCache())
- return;
- m_fullScreenElement->willStopBeingFullscreenElement();
- }
- void Document::webkitDidExitFullScreenForElement(Element*)
- {
- if (!m_fullScreenElement)
- return;
- if (!attached() || inPageCache())
- return;
- m_fullScreenElement->setContainsFullScreenElementOnAncestorsCrossingFrameBoundaries(false);
- m_areKeysEnabledInFullScreen = false;
-
- if (m_fullScreenRenderer)
- m_fullScreenRenderer->unwrapRenderer();
- m_fullScreenElement = 0;
- scheduleForcedStyleRecalc();
-
- m_fullScreenChangeDelayTimer.startOneShot(0);
- }
-
- void Document::setFullScreenRenderer(RenderFullScreen* renderer)
- {
- if (renderer == m_fullScreenRenderer)
- return;
- if (renderer && m_savedPlaceholderRenderStyle)
- renderer->createPlaceholder(m_savedPlaceholderRenderStyle.release(), m_savedPlaceholderFrameRect);
- else if (renderer && m_fullScreenRenderer && m_fullScreenRenderer->placeholder()) {
- RenderBlock* placeholder = m_fullScreenRenderer->placeholder();
- renderer->createPlaceholder(RenderStyle::clone(placeholder->style()), placeholder->frameRect());
- }
- if (m_fullScreenRenderer)
- m_fullScreenRenderer->destroy();
- ASSERT(!m_fullScreenRenderer);
- m_fullScreenRenderer = renderer;
-
- // This notification can come in after the page has been destroyed.
- if (page())
- page()->chrome()->client()->fullScreenRendererChanged(m_fullScreenRenderer);
- }
- void Document::fullScreenRendererDestroyed()
- {
- m_fullScreenRenderer = 0;
- if (page())
- page()->chrome()->client()->fullScreenRendererChanged(0);
- }
- void Document::setFullScreenRendererSize(const IntSize& size)
- {
- ASSERT(m_fullScreenRenderer);
- if (!m_fullScreenRenderer)
- return;
-
- if (m_fullScreenRenderer) {
- RefPtr<RenderStyle> newStyle = RenderStyle::clone(m_fullScreenRenderer->style());
- newStyle->setWidth(Length(size.width(), WebCore::Fixed));
- newStyle->setHeight(Length(size.height(), WebCore::Fixed));
- newStyle->setTop(Length(0, WebCore::Fixed));
- newStyle->setLeft(Length(0, WebCore::Fixed));
- m_fullScreenRenderer->setStyle(newStyle);
- updateLayout();
- }
- }
-
- void Document::setFullScreenRendererBackgroundColor(Color backgroundColor)
- {
- if (!m_fullScreenRenderer)
- return;
-
- RefPtr<RenderStyle> newStyle = RenderStyle::clone(m_fullScreenRenderer->style());
- newStyle->setBackgroundColor(backgroundColor);
- m_fullScreenRenderer->setStyle(newStyle);
- }
-
- void Document::fullScreenChangeDelayTimerFired(Timer<Document>*)
- {
- Deque<RefPtr<Node> > changeQueue;
- m_fullScreenChangeEventTargetQueue.swap(changeQueue);
- while (!changeQueue.isEmpty()) {
- RefPtr<Node> node = changeQueue.takeFirst();
- if (!node)
- node = documentElement();
- // If the element was removed from our tree, also message the documentElement.
- if (!contains(node.get()))
- changeQueue.append(documentElement());
-
- node->dispatchEvent(Event::create(eventNames().webkitfullscreenchangeEvent, true, false));
- }
- Deque<RefPtr<Node> > errorQueue;
- m_fullScreenErrorEventTargetQueue.swap(errorQueue);
-
- while (!errorQueue.isEmpty()) {
- RefPtr<Node> node = errorQueue.takeFirst();
- if (!node)
- node = documentElement();
-
- // If the node was removed from our tree, also message the documentElement.
- if (!contains(node.get()))
- errorQueue.append(documentElement());
-
- node->dispatchEvent(Event::create(eventNames().webkitfullscreenerrorEvent, 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->setNeedsStyleRecalc();
- scheduleForcedStyleRecalc();
- }
- }
- void Document::clearFullscreenElementStack()
- {
- m_fullScreenElementStack.clear();
- }
- void Document::popFullscreenElementStack()
- {
- if (m_fullScreenElementStack.isEmpty())
- return;
- m_fullScreenElementStack.removeFirst();
- }
- void Document::pushFullscreenElementStack(Element* element)
- {
- m_fullScreenElementStack.prepend(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::webkitExitPointerLock()
- {
- if (page())
- page()->pointerLockController()->requestPointerUnlock();
- }
- Element* Document::webkitPointerLockElement() const
- {
- return page() ? page()->pointerLockController()->element() : 0;
- }
- #endif
- void Document::decrementLoadEventDelayCount()
- {
- ASSERT(m_loadEventDelayCount);
- --m_loadEventDelayCount;
- if (frame() && !m_loadEventDelayCount && !m_loadEventDelayTimer.isActive())
- m_loadEventDelayTimer.startOneShot(0);
- }
- void Document::loadEventDelayTimerFired(Timer<Document>*)
- {
- if (frame())
- frame()->loader()->checkCompleted();
- }
- #if ENABLE(REQUEST_ANIMATION_FRAME)
- int Document::webkitRequestAnimationFrame(PassRefPtr<RequestAnimationFrameCallback> callback)
- {
- if (!m_scriptedAnimationController) {
- #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
- m_scriptedAnimationController = ScriptedAnimationController::create(this, page() ? page()->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();
- }
- return m_scriptedAnimationController->registerCallback(callback);
- }
- void Document::webkitCancelAnimationFrame(int id)
- {
- if (!m_scriptedAnimationController)
- return;
- m_scriptedAnimationController->cancelCallback(id);
- }
- void Document::serviceScriptedAnimations(DOMTimeStamp time)
- {
- if (!m_scriptedAnimationController)
- return;
- m_scriptedAnimationController->serviceScriptedAnimations(time);
- }
- #endif
- #if ENABLE(TOUCH_EVENTS)
- PassRefPtr<Touch> Document::createTouch(DOMWindow* window, EventTarget* target, int identifier, int pageX, int pageY, int screenX, int screenY, int radiusX, int radiusY, float rotationAngle, float force, ExceptionCode&) const
- {
- // FIXME: It's not clear from the documentation at
- // http://developer.apple.com/library/safari/#documentation/UserExperience/Reference/DocumentAdditionsReference/DocumentAdditions/DocumentAdditions.html
- // when this method should throw and nor is it by inspection of iOS behavior. It would be nice to verify any cases where it throws under iOS
- // and implement them here. See https://bugs.webkit.org/show_bug.cgi?id=47819
- Frame* frame = window ? window->frame() : this->frame();
- return Touch::create(frame, target, identifier, screenX, screenY, pageX, pageY, radiusX, radiusY, rotationAngle, force);
- }
- #endif
- static void wheelEventHandlerCountChanged(Document* document)
- {
- Page* page = document->page();
- if (!page)
- return;
- ScrollingCoordinator* scrollingCoordinator = page->scrollingCoordinator();
- if (!scrollingCoordinator)
- return;
- FrameView* frameView = document->view();
- if (!frameView)
- return;
- scrollingCoordinator->frameViewWheelEventHandlerCountChanged(frameView);
- }
- void Document::didAddWheelEventHandler()
- {
- ++m_wheelEventHandlerCount;
- Frame* mainFrame = page() ? page()->mainFrame() : 0;
- if (mainFrame)
- mainFrame->notifyChromeClientWheelEventHandlerCountChanged();
- wheelEventHandlerCountChanged(this);
- }
- void Document::didRemoveWheelEventHandler()
- {
- ASSERT(m_wheelEventHandlerCount > 0);
- --m_wheelEventHandlerCount;
- Frame* mainFrame = page() ? page()->mainFrame() : 0;
- if (mainFrame)
- mainFrame->notifyChromeClientWheelEventHandlerCountChanged();
- wheelEventHandlerCountChanged(this);
- }
- void Document::didAddTouchEventHandler()
- {
- ++m_touchEventHandlerCount;
- Frame* mainFrame = page() ? page()->mainFrame() : 0;
- if (mainFrame)
- mainFrame->notifyChromeClientTouchEventHandlerCountChanged();
- }
- void Document::didRemoveTouchEventHandler()
- {
- ASSERT(m_touchEventHandlerCount > 0);
- --m_touchEventHandlerCount;
- Frame* mainFrame = page() ? page()->mainFrame() : 0;
- if (mainFrame)
- mainFrame->notifyChromeClientTouchEventHandlerCountChanged();
- }
- HTMLIFrameElement* Document::seamlessParentIFrame() const
- {
- if (!shouldDisplaySeamlesslyWithParent())
- return 0;
- HTMLFrameOwnerElement* ownerElement = this->ownerElement();
- ASSERT(ownerElement->hasTagName(iframeTag));
- return static_cast<HTMLIFrameElement*>(ownerElement);
- }
- bool Document::shouldDisplaySeamlesslyWithParent() const
- {
- #if ENABLE(IFRAME_SEAMLESS)
- HTMLFrameOwnerElement* ownerElement = this->ownerElement();
- if (!ownerElement)
- return false;
- return m_mayDisplaySeamlessWithParent && ownerElement->hasTagName(iframeTag) && ownerElement->fastHasAttribute(seamlessAttr);
- #else
- return false;
- #endif
- }
- DocumentLoader* Document::loader() const
- {
- if (!m_frame)
- return 0;
-
- DocumentLoader* loader = m_frame->loader()->documentLoader();
- if (!loader)
- return 0;
-
- if (m_frame->document() != this)
- return 0;
-
- return loader;
- }
- #if ENABLE(MICRODATA)
- PassRefPtr<NodeList> Document::getItems(const String& typeNames)
- {
- // Since documet.getItem() is allowed for microdata, typeNames will be null string.
- // In this case we need to create an unique string identifier to map such request in the cache.
- String localTypeNames = typeNames.isNull() ? MicroDataItemList::undefinedItemType() : typeNames;
- return ensureRareData()->ensureNodeLists()->addCacheWithName<MicroDataItemList>(this, DynamicNodeList::MicroDataItemListType, localTypeNames);
- }
- #endif
- IntSize Document::viewportSize() const
- {
- if (!view())
- return IntSize();
- return view()->visibleContentRect(/* includeScrollbars */ true).size();
- }
- Node* eventTargetNodeForDocument(Document* doc)
- {
- if (!doc)
- return 0;
- Node* node = doc->focusedNode();
- if (!node && doc->isPluginDocument()) {
- PluginDocument* pluginDocument = static_cast<PluginDocument*>(doc);
- node = pluginDocument->pluginNode();
- }
- if (!node && doc->isHTMLDocument())
- node = doc->body();
- if (!node)
- node = doc->documentElement();
- return node;
- }
- void Document::adjustFloatQuadsForScrollAndAbsoluteZoomAndFrameScale(Vector<FloatQuad>& quads, RenderObject* renderer)
- {
- if (!view())
- return;
- float inverseFrameScale = 1;
- if (frame())
- inverseFrameScale = 1 / frame()->frameScaleFactor();
- LayoutRect visibleContentRect = view()->visibleContentRect();
- for (size_t i = 0; i < quads.size(); ++i) {
- quads[i].move(-visibleContentRect.x(), -visibleContentRect.y());
- adjustFloatQuadForAbsoluteZoom(quads[i], renderer);
- if (inverseFrameScale != 1)
- quads[i].scale(inverseFrameScale, inverseFrameScale);
- }
- }
- void Document::adjustFloatRectForScrollAndAbsoluteZoomAndFrameScale(FloatRect& rect, RenderObject* renderer)
- {
- if (!view())
- return;
- float inverseFrameScale = 1;
- if (frame())
- inverseFrameScale = 1 / frame()->frameScaleFactor();
- LayoutRect visibleContentRect = view()->visibleContentRect();
- rect.move(-visibleContentRect.x(), -visibleContentRect.y());
- adjustFloatRectForAbsoluteZoom(rect, renderer);
- if (inverseFrameScale != 1)
- rect.scale(inverseFrameScale);
- }
- void Document::setContextFeatures(PassRefPtr<ContextFeatures> features)
- {
- m_contextFeatures = features;
- }
- void Document::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
- {
- MemoryClassInfo<Document> info(memoryObjectInfo, this, MemoryInstrumentation::DOM);
- info.visitBaseClass<ContainerNode>(this);
- info.addVector(m_customFonts);
- info.addString(m_documentURI);
- info.addString(m_baseTarget);
- if (m_pageGroupUserSheets)
- info.addVector(*m_pageGroupUserSheets.get());
- if (m_userSheets)
- info.addVector(*m_userSheets.get());
- info.addHashSet(m_nodeIterators);
- info.addHashSet(m_ranges);
- info.addListHashSet(m_styleSheetCandidateNodes);
- info.addString(m_preferredStylesheetSet);
- info.addString(m_selectedStylesheetSet);
- info.addString(m_title.string());
- info.addString(m_rawTitle.string());
- info.addString(m_xmlEncoding);
- info.addString(m_xmlVersion);
- info.addString(m_contentLanguage);
- info.addHashMap(m_documentNamedItemCollections);
- info.addHashMap(m_windowNamedItemCollections);
- #if ENABLE(DASHBOARD_SUPPORT)
- info.addVector(m_dashboardRegions);
- #endif
- info.addHashMap(m_cssCanvasElements);
- info.addVector(m_iconURLs);
- info.addHashSet(m_documentSuspensionCallbackElements);
- info.addHashSet(m_mediaVolumeCallbackElements);
- info.addHashSet(m_privateBrowsingStateChangedElements);
- info.addHashMap(m_elementsByAccessKey);
- info.addHashSet(m_mediaCanStartListeners);
- info.addVector(m_pendingTasks);
- }
- #if ENABLE(UNDO_MANAGER)
- PassRefPtr<UndoManager> Document::undoManager()
- {
- if (!m_undoManager)
- m_undoManager = UndoManager::create(this);
- return m_undoManager;
- }
- #endif
- } // namespace WebCore