2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * (C) 2001 Dirk Mueller (mueller@kde.org)
5 * (C) 2006 Alexey Proskuryakov (ap@webkit.org)
6 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
7 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
8 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
9 * Copyright (C) 2011 Google Inc. All rights reserved.
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Library General Public
13 * License as published by the Free Software Foundation; either
14 * version 2 of the License, or (at your option) any later version.
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Library General Public License for more details.
21 * You should have received a copy of the GNU Library General Public License
22 * along with this library; see the file COPYING.LIB. If not, write to
23 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 * Boston, MA 02110-1301, USA.
31 #include "CollectionType.h"
33 #include "ContainerNode.h"
34 #include "DOMTimeStamp.h"
35 #include "DocumentEventQueue.h"
36 #include "DocumentTiming.h"
38 #include "InspectorCounters.h"
40 #include "LayoutTypes.h"
41 #include "MutationObserver.h"
42 #include "PageVisibilityState.h"
43 #include "PlatformScreen.h"
44 #include "QualifiedName.h"
45 #include "ReferrerPolicy.h"
46 #include "ScriptExecutionContext.h"
47 #include "StringWithDirection.h"
49 #include "TreeScope.h"
50 #include "ViewportArguments.h"
51 #include <wtf/Deque.h>
52 #include <wtf/FixedArray.h>
53 #include <wtf/OwnPtr.h>
54 #include <wtf/PassOwnPtr.h>
55 #include <wtf/PassRefPtr.h>
62 class CSSStyleDeclaration;
64 class CachedCSSStyleSheet;
65 class CachedResourceLoader;
67 class CanvasRenderingContext;
70 class ContextFeatures;
71 class DOMImplementation;
76 class DocumentFragment;
78 class DocumentMarkerController;
81 class DocumentWeakReference;
82 class DynamicNodeListCacheBase;
85 class EntityReference;
94 class HTMLCanvasElement;
96 class HTMLAllCollection;
99 class HTMLFrameOwnerElement;
100 class HTMLHeadElement;
101 class HTMLIFrameElement;
102 class HTMLMapElement;
103 class HTMLNameCollection;
104 class HitTestRequest;
107 class DOMWrapperWorld;
109 class MediaCanStartListener;
110 class MediaQueryList;
111 class MediaQueryMatcher;
112 class MouseEventWithHitTestResults;
117 class PlatformMouseEvent;
118 class ProcessingInstruction;
120 class RegisteredEventListener;
123 class RenderFullScreen;
124 class ScriptableDocumentParser;
125 class ScriptElementData;
127 class SecurityOrigin;
128 class SelectorQueryCache;
129 class SerializedScriptValue;
130 class SegmentedString;
134 class StyleSheetContents;
135 class StyleSheetList;
137 class TextResourceDecoder;
140 class WebKitNamedFlow;
141 class WebKitNamedFlowCollection;
142 class XMLHttpRequest;
143 class XPathEvaluator;
144 class XPathExpression;
145 class XPathNSResolver;
149 class SVGDocumentExtensions;
153 class TransformSource;
156 #if ENABLE(DASHBOARD_SUPPORT)
157 struct DashboardRegionValue;
160 #if ENABLE(TOUCH_EVENTS)
165 #if ENABLE(REQUEST_ANIMATION_FRAME)
166 class RequestAnimationFrameCallback;
167 class ScriptedAnimationController;
170 #if ENABLE(MICRODATA)
171 class MicroDataItemList;
174 #if ENABLE(LINK_PRERENDER)
178 #if ENABLE(TEXT_AUTOSIZING)
183 class DOMSecurityPolicy;
186 typedef int ExceptionCode;
188 enum PageshowEventPersistence {
189 PageshowEventNotPersisted = 0,
190 PageshowEventPersisted = 1
193 enum StyleResolverUpdateFlag { RecalcStyleImmediately, DeferRecalcStyle, RecalcStyleIfNeeded };
195 enum NodeListInvalidationType {
196 DoNotInvalidateOnAttributeChanges = 0,
197 InvalidateOnClassAttrChange,
198 InvalidateOnIdNameAttrChange,
199 InvalidateOnNameAttrChange,
200 InvalidateOnForAttrChange,
201 InvalidateForFormControls,
202 InvalidateOnHRefAttrChange,
203 InvalidateOnItemAttrChange,
204 InvalidateOnAnyAttrChange,
206 const int numNodeListInvalidationTypes = InvalidateOnAnyAttrChange + 1;
208 class Document : public ContainerNode, public TreeScope, public ScriptExecutionContext {
210 static PassRefPtr<Document> create(Frame* frame, const KURL& url)
212 return adoptRef(new Document(frame, url, false, false));
214 static PassRefPtr<Document> createXHTML(Frame* frame, const KURL& url)
216 return adoptRef(new Document(frame, url, true, false));
220 MediaQueryMatcher* mediaQueryMatcher();
222 using ContainerNode::ref;
223 using ContainerNode::deref;
225 // Nodes belonging to this document hold guard references -
226 // these are enough to keep the document from being destroyed, but
227 // not enough to keep it from removing its children. This allows a
228 // node that outlives its document to still have a valid document
229 // pointer without introducing reference cycles.
232 ASSERT(!m_deletionHasBegun);
238 ASSERT(!m_deletionHasBegun);
240 if (!m_guardRefCount && !refCount()) {
242 m_deletionHasBegun = true;
248 Element* getElementById(const AtomicString& id) const;
250 virtual bool canContainRangeEndPoint() const { return true; }
252 Element* getElementByAccessKey(const String& key);
253 void invalidateAccessKeyMap();
255 SelectorQueryCache* selectorQueryCache();
257 // DOM methods & attributes for Document
259 DEFINE_ATTRIBUTE_EVENT_LISTENER(abort);
260 DEFINE_ATTRIBUTE_EVENT_LISTENER(change);
261 DEFINE_ATTRIBUTE_EVENT_LISTENER(click);
262 DEFINE_ATTRIBUTE_EVENT_LISTENER(contextmenu);
263 DEFINE_ATTRIBUTE_EVENT_LISTENER(dblclick);
264 DEFINE_ATTRIBUTE_EVENT_LISTENER(dragenter);
265 DEFINE_ATTRIBUTE_EVENT_LISTENER(dragover);
266 DEFINE_ATTRIBUTE_EVENT_LISTENER(dragleave);
267 DEFINE_ATTRIBUTE_EVENT_LISTENER(drop);
268 DEFINE_ATTRIBUTE_EVENT_LISTENER(dragstart);
269 DEFINE_ATTRIBUTE_EVENT_LISTENER(drag);
270 DEFINE_ATTRIBUTE_EVENT_LISTENER(dragend);
271 DEFINE_ATTRIBUTE_EVENT_LISTENER(input);
272 DEFINE_ATTRIBUTE_EVENT_LISTENER(invalid);
273 DEFINE_ATTRIBUTE_EVENT_LISTENER(keydown);
274 DEFINE_ATTRIBUTE_EVENT_LISTENER(keypress);
275 DEFINE_ATTRIBUTE_EVENT_LISTENER(keyup);
276 DEFINE_ATTRIBUTE_EVENT_LISTENER(mousedown);
277 DEFINE_ATTRIBUTE_EVENT_LISTENER(mousemove);
278 DEFINE_ATTRIBUTE_EVENT_LISTENER(mouseout);
279 DEFINE_ATTRIBUTE_EVENT_LISTENER(mouseover);
280 DEFINE_ATTRIBUTE_EVENT_LISTENER(mouseup);
281 DEFINE_ATTRIBUTE_EVENT_LISTENER(mousewheel);
282 DEFINE_ATTRIBUTE_EVENT_LISTENER(scroll);
283 DEFINE_ATTRIBUTE_EVENT_LISTENER(select);
284 DEFINE_ATTRIBUTE_EVENT_LISTENER(submit);
286 DEFINE_ATTRIBUTE_EVENT_LISTENER(blur);
287 DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
288 DEFINE_ATTRIBUTE_EVENT_LISTENER(focus);
289 DEFINE_ATTRIBUTE_EVENT_LISTENER(load);
290 DEFINE_ATTRIBUTE_EVENT_LISTENER(readystatechange);
293 DEFINE_ATTRIBUTE_EVENT_LISTENER(beforecut);
294 DEFINE_ATTRIBUTE_EVENT_LISTENER(cut);
295 DEFINE_ATTRIBUTE_EVENT_LISTENER(beforecopy);
296 DEFINE_ATTRIBUTE_EVENT_LISTENER(copy);
297 DEFINE_ATTRIBUTE_EVENT_LISTENER(beforepaste);
298 DEFINE_ATTRIBUTE_EVENT_LISTENER(paste);
299 DEFINE_ATTRIBUTE_EVENT_LISTENER(reset);
300 DEFINE_ATTRIBUTE_EVENT_LISTENER(search);
301 DEFINE_ATTRIBUTE_EVENT_LISTENER(selectstart);
302 DEFINE_ATTRIBUTE_EVENT_LISTENER(selectionchange);
303 #if ENABLE(TOUCH_EVENTS)
304 DEFINE_ATTRIBUTE_EVENT_LISTENER(touchstart);
305 DEFINE_ATTRIBUTE_EVENT_LISTENER(touchmove);
306 DEFINE_ATTRIBUTE_EVENT_LISTENER(touchend);
307 DEFINE_ATTRIBUTE_EVENT_LISTENER(touchcancel);
309 #if ENABLE(FULLSCREEN_API)
310 DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitfullscreenchange);
311 DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitfullscreenerror);
313 #if ENABLE(POINTER_LOCK)
314 DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitpointerlockchange);
315 DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitpointerlockerror);
317 #if ENABLE(PAGE_VISIBILITY_API)
318 DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitvisibilitychange);
321 ViewportArguments viewportArguments() const { return m_viewportArguments; }
323 bool didDispatchViewportPropertiesChanged() const { return m_didDispatchViewportPropertiesChanged; }
326 void setReferrerPolicy(ReferrerPolicy referrerPolicy) { m_referrerPolicy = referrerPolicy; }
327 ReferrerPolicy referrerPolicy() const { return m_referrerPolicy; }
329 DocumentType* doctype() const { return m_docType.get(); }
331 DOMImplementation* implementation();
333 Element* documentElement() const
335 return m_documentElement.get();
338 virtual PassRefPtr<Element> createElement(const AtomicString& tagName, ExceptionCode&);
339 PassRefPtr<DocumentFragment> createDocumentFragment();
340 PassRefPtr<Text> createTextNode(const String& data);
341 PassRefPtr<Comment> createComment(const String& data);
342 PassRefPtr<CDATASection> createCDATASection(const String& data, ExceptionCode&);
343 PassRefPtr<ProcessingInstruction> createProcessingInstruction(const String& target, const String& data, ExceptionCode&);
344 PassRefPtr<Attr> createAttribute(const String& name, ExceptionCode&);
345 PassRefPtr<Attr> createAttributeNS(const String& namespaceURI, const String& qualifiedName, ExceptionCode&, bool shouldIgnoreNamespaceChecks = false);
346 PassRefPtr<EntityReference> createEntityReference(const String& name, ExceptionCode&);
347 PassRefPtr<Node> importNode(Node* importedNode, ExceptionCode& ec) { return importNode(importedNode, true, ec); }
348 PassRefPtr<Node> importNode(Node* importedNode, bool deep, ExceptionCode&);
349 virtual PassRefPtr<Element> createElementNS(const String& namespaceURI, const String& qualifiedName, ExceptionCode&);
350 PassRefPtr<Element> createElement(const QualifiedName&, bool createdByParser);
352 bool cssRegionsEnabled() const;
353 #if ENABLE(CSS_REGIONS)
354 PassRefPtr<WebKitNamedFlow> webkitGetFlowByName(const String&);
357 WebKitNamedFlowCollection* namedFlows();
359 bool regionBasedColumnsEnabled() const;
361 bool cssGridLayoutEnabled() const;
364 * Retrieve all nodes that intersect a rect in the window's document, until it is fully enclosed by
365 * the boundaries of a node.
367 * @param centerX x reference for the rectangle in CSS pixels
368 * @param centerY y reference for the rectangle in CSS pixels
369 * @param topPadding How much to expand the top of the rectangle
370 * @param rightPadding How much to expand the right of the rectangle
371 * @param bottomPadding How much to expand the bottom of the rectangle
372 * @param leftPadding How much to expand the left of the rectangle
373 * @param ignoreClipping whether or not to ignore the root scroll frame when retrieving the element.
374 * If false, this method returns null for coordinates outside of the viewport.
376 PassRefPtr<NodeList> nodesFromRect(int centerX, int centerY, unsigned topPadding, unsigned rightPadding,
377 unsigned bottomPadding, unsigned leftPadding, bool ignoreClipping, bool allowShadowContent) const;
378 Element* elementFromPoint(int x, int y) const;
379 PassRefPtr<Range> caretRangeFromPoint(int x, int y);
381 String readyState() const;
383 String defaultCharset() const;
385 String inputEncoding() const { return Document::encoding(); }
386 String charset() const { return Document::encoding(); }
387 String characterSet() const { return Document::encoding(); }
389 String encoding() const;
391 void setCharset(const String&);
393 void setContent(const String&);
395 String suggestedMIMEType() const;
397 String contentLanguage() const { return m_contentLanguage; }
398 void setContentLanguage(const String&);
400 String xmlEncoding() const { return m_xmlEncoding; }
401 String xmlVersion() const { return m_xmlVersion; }
402 enum StandaloneStatus { StandaloneUnspecified, Standalone, NotStandalone };
403 bool xmlStandalone() const { return m_xmlStandalone == Standalone; }
404 StandaloneStatus xmlStandaloneStatus() const { return static_cast<StandaloneStatus>(m_xmlStandalone); }
405 bool hasXMLDeclaration() const { return m_hasXMLDeclaration; }
407 void setXMLEncoding(const String& encoding) { m_xmlEncoding = encoding; } // read-only property, only to be set from XMLDocumentParser
408 void setXMLVersion(const String&, ExceptionCode&);
409 void setXMLStandalone(bool, ExceptionCode&);
410 void setHasXMLDeclaration(bool hasXMLDeclaration) { m_hasXMLDeclaration = hasXMLDeclaration ? 1 : 0; }
412 String documentURI() const { return m_documentURI; }
413 void setDocumentURI(const String&);
415 virtual KURL baseURI() const;
417 #if ENABLE(PAGE_VISIBILITY_API)
418 String webkitVisibilityState() const;
419 bool webkitHidden() const;
420 void dispatchVisibilityStateChangeEvent();
424 DOMSecurityPolicy* securityPolicy();
427 PassRefPtr<Node> adoptNode(PassRefPtr<Node> source, ExceptionCode&);
429 PassRefPtr<HTMLCollection> images();
430 PassRefPtr<HTMLCollection> embeds();
431 PassRefPtr<HTMLCollection> plugins(); // an alias for embeds() required for the JS DOM bindings.
432 PassRefPtr<HTMLCollection> applets();
433 PassRefPtr<HTMLCollection> links();
434 PassRefPtr<HTMLCollection> forms();
435 PassRefPtr<HTMLCollection> anchors();
436 PassRefPtr<HTMLCollection> objects();
437 PassRefPtr<HTMLCollection> scripts();
438 PassRefPtr<HTMLCollection> all();
439 void removeCachedHTMLCollection(HTMLCollection*, CollectionType);
441 PassRefPtr<HTMLCollection> windowNamedItems(const AtomicString& name);
442 PassRefPtr<HTMLCollection> documentNamedItems(const AtomicString& name);
443 void removeWindowNamedItemCache(HTMLCollection*, const AtomicString&);
444 void removeDocumentNamedItemCache(HTMLCollection*, const AtomicString&);
446 // Other methods (not part of DOM)
447 bool isHTMLDocument() const { return m_isHTML; }
448 bool isXHTMLDocument() const { return m_isXHTML; }
449 virtual bool isImageDocument() const { return false; }
451 virtual bool isSVGDocument() const { return false; }
452 bool hasSVGRootNode() const;
454 static bool isSVGDocument() { return false; }
455 static bool hasSVGRootNode() { return false; }
457 virtual bool isPluginDocument() const { return false; }
458 virtual bool isMediaDocument() const { return false; }
459 virtual bool isFrameSet() const { return false; }
461 bool isSrcdocDocument() const { return m_isSrcdocDocument; }
463 NodeRareData* documentRareData() const { return m_documentRareData; };
464 void setDocumentRareData(NodeRareData*);
466 StyleResolver* styleResolverIfExists() const { return m_styleResolver.get(); }
468 bool isViewSource() const { return m_isViewSource; }
469 void setIsViewSource(bool);
471 bool sawElementsInKnownNamespaces() const { return m_sawElementsInKnownNamespaces; }
473 StyleResolver* styleResolver()
475 if (!m_styleResolver)
476 createStyleResolver();
477 return m_styleResolver.get();
481 * Updates the pending sheet count and then calls updateActiveStylesheets.
483 void removePendingSheet();
486 * This method returns true if all top-level stylesheets have loaded (including
487 * any @imports that they may be loading).
489 bool haveStylesheetsLoaded() const
491 return m_pendingStylesheets <= 0 || m_ignorePendingStylesheets;
495 * Increments the number of pending sheets. The <link> elements
496 * invoke this to add themselves to the loading list.
498 void addPendingSheet() { m_pendingStylesheets++; }
500 void addStyleSheetCandidateNode(Node*, bool createdByParser);
501 void removeStyleSheetCandidateNode(Node*);
503 bool gotoAnchorNeededAfterStylesheetsLoad() { return m_gotoAnchorNeededAfterStylesheetsLoad; }
504 void setGotoAnchorNeededAfterStylesheetsLoad(bool b) { m_gotoAnchorNeededAfterStylesheetsLoad = b; }
507 * Called when one or more stylesheets in the document may have been added, removed or changed.
509 * Creates a new style resolver and assign it to this document. This is done by iterating through all nodes in
510 * document (or those before <BODY> in a HTML document), searching for stylesheets. Stylesheets can be contained in
511 * <LINK>, <STYLE> or <BODY> elements, as well as processing instructions (XML documents only). A list is
512 * constructed from these which is used to create the a new style selector which collates all of the stylesheets
513 * found and is used to calculate the derived styles for all rendering objects.
515 void styleResolverChanged(StyleResolverUpdateFlag);
517 void evaluateMediaQueryList();
519 bool usesSiblingRules() const { return m_usesSiblingRules || m_usesSiblingRulesOverride; }
520 void setUsesSiblingRules(bool b) { m_usesSiblingRulesOverride = b; }
521 bool usesFirstLineRules() const { return m_usesFirstLineRules; }
522 bool usesFirstLetterRules() const { return m_usesFirstLetterRules; }
523 void setUsesFirstLetterRules(bool b) { m_usesFirstLetterRules = b; }
524 bool usesBeforeAfterRules() const { return m_usesBeforeAfterRules || m_usesBeforeAfterRulesOverride; }
525 void setUsesBeforeAfterRules(bool b) { m_usesBeforeAfterRulesOverride = b; }
526 bool usesRemUnits() const { return m_usesRemUnits; }
527 bool usesLinkRules() const { return linkColor() != visitedLinkColor() || m_usesLinkRules; }
528 void setUsesLinkRules(bool b) { m_usesLinkRules = b; }
531 FormController* formController();
532 Vector<String> formElementsState() const;
533 void setStateForNewFormElements(const Vector<String>&);
535 FrameView* view() const; // can be NULL
536 Frame* frame() const { return m_frame; } // can be NULL
537 Page* page() const; // can be NULL
538 Settings* settings() const; // can be NULL
540 PassRefPtr<Range> createRange();
542 PassRefPtr<NodeIterator> createNodeIterator(Node* root, unsigned whatToShow,
543 PassRefPtr<NodeFilter>, bool expandEntityReferences, ExceptionCode&);
545 PassRefPtr<TreeWalker> createTreeWalker(Node* root, unsigned whatToShow,
546 PassRefPtr<NodeFilter>, bool expandEntityReferences, ExceptionCode&);
548 // Special support for editing
549 PassRefPtr<CSSStyleDeclaration> createCSSStyleDeclaration();
550 PassRefPtr<EditingText> createEditingTextNode(const String&);
552 void recalcStyle(StyleChange = NoChange);
553 bool childNeedsAndNotInStyleRecalc();
554 virtual void updateStyleIfNeeded();
556 void updateLayoutIgnorePendingStylesheets();
557 PassRefPtr<RenderStyle> styleForElementIgnoringPendingStylesheets(Element*);
558 PassRefPtr<RenderStyle> styleForPage(int pageIndex);
560 void registerCustomFont(PassOwnPtr<FontData>);
562 // Returns true if page box (margin boxes and page borders) is visible.
563 bool isPageBoxVisible(int pageIndex);
565 // Returns the preferred page size and margins in pixels, assuming 96
566 // pixels per inch. pageSize, marginTop, marginRight, marginBottom,
567 // marginLeft must be initialized to the default values that are used if
568 // auto is specified.
569 void pageSizeAndMarginsInPixels(int pageIndex, IntSize& pageSize, int& marginTop, int& marginRight, int& marginBottom, int& marginLeft);
571 static void updateStyleForAllDocuments(); // FIXME: Try to reduce the # of calls to this function.
572 CachedResourceLoader* cachedResourceLoader() { return m_cachedResourceLoader.get(); }
574 virtual void attach();
575 virtual void detach();
576 void prepareForDestruction();
578 // Override ScriptExecutionContext methods to do additional work
579 virtual void suspendActiveDOMObjects(ActiveDOMObject::ReasonForSuspension) OVERRIDE;
580 virtual void resumeActiveDOMObjects() OVERRIDE;
582 RenderArena* renderArena() { return m_renderArena.get(); }
584 RenderView* renderView() const;
586 void clearAXObjectCache();
587 AXObjectCache* axObjectCache() const;
588 bool axObjectCacheExists() const;
590 // to get visually ordered hebrew and arabic pages right
591 void setVisuallyOrdered();
592 bool visuallyOrdered() const { return m_visuallyOrdered; }
594 DocumentLoader* loader() const;
596 void open(Document* ownerDocument = 0);
599 // close() is the DOM API document.close()
601 // In some situations (see the code), we ignore document.close().
602 // explicitClose() bypass these checks and actually tries to close the
604 void explicitClose();
605 // implicitClose() actually does the work of closing the input stream.
606 void implicitClose();
608 void cancelParsing();
610 void write(const SegmentedString& text, Document* ownerDocument = 0);
611 void write(const String& text, Document* ownerDocument = 0);
612 void writeln(const String& text, Document* ownerDocument = 0);
614 bool wellFormed() const { return m_wellFormed; }
616 const KURL& url() const { return m_url; }
617 void setURL(const KURL&);
619 // To understand how these concepts relate to one another, please see the
620 // comments surrounding their declaration.
621 const KURL& baseURL() const { return m_baseURL; }
622 void setBaseURLOverride(const KURL&);
623 const KURL& baseURLOverride() const { return m_baseURLOverride; }
624 const KURL& baseElementURL() const { return m_baseElementURL; }
625 const String& baseTarget() const { return m_baseTarget; }
626 void processBaseElement();
628 KURL completeURL(const String&) const;
629 KURL completeURL(const String&, const KURL& baseURLOverride) const;
631 virtual String userAgent(const KURL&) const;
633 virtual void disableEval();
635 bool canNavigate(Frame* targetFrame);
636 Frame* findUnsafeParentScrollPropagationBoundary();
638 CSSStyleSheet* pageUserSheet();
639 void clearPageUserSheet();
640 void updatePageUserSheet();
642 const Vector<RefPtr<CSSStyleSheet> >* pageGroupUserSheets() const;
643 void clearPageGroupUserSheets();
644 void updatePageGroupUserSheets();
646 const Vector<RefPtr<CSSStyleSheet> >* documentUserSheets() const { return m_userSheets.get(); }
647 void addUserSheet(PassRefPtr<StyleSheetContents> userSheet);
649 CSSStyleSheet* elementSheet();
651 virtual PassRefPtr<DocumentParser> createParser();
652 DocumentParser* parser() const { return m_parser.get(); }
653 ScriptableDocumentParser* scriptableDocumentParser() const;
655 bool printing() const { return m_printing; }
656 void setPrinting(bool p) { m_printing = p; }
658 bool paginatedForScreen() const { return m_paginatedForScreen; }
659 void setPaginatedForScreen(bool p) { m_paginatedForScreen = p; }
661 bool paginated() const { return printing() || paginatedForScreen(); }
663 enum CompatibilityMode { QuirksMode, LimitedQuirksMode, NoQuirksMode };
665 virtual void setCompatibilityModeFromDoctype() { }
666 void setCompatibilityMode(CompatibilityMode m);
667 void lockCompatibilityMode() { m_compatibilityModeLocked = true; }
668 CompatibilityMode compatibilityMode() const { return m_compatibilityMode; }
670 String compatMode() const;
672 bool inQuirksMode() const { return m_compatibilityMode == QuirksMode; }
673 bool inLimitedQuirksMode() const { return m_compatibilityMode == LimitedQuirksMode; }
674 bool inNoQuirksMode() const { return m_compatibilityMode == NoQuirksMode; }
681 void setReadyState(ReadyState);
682 void setParsing(bool);
683 bool parsing() const { return m_bParsing; }
684 int minimumLayoutDelay();
686 bool shouldScheduleLayout();
687 bool isLayoutTimerActive();
688 int elapsedTime() const;
690 void setTextColor(const Color& color) { m_textColor = color; }
691 Color textColor() const { return m_textColor; }
693 const Color& linkColor() const { return m_linkColor; }
694 const Color& visitedLinkColor() const { return m_visitedLinkColor; }
695 const Color& activeLinkColor() const { return m_activeLinkColor; }
696 void setLinkColor(const Color& c) { m_linkColor = c; }
697 void setVisitedLinkColor(const Color& c) { m_visitedLinkColor = c; }
698 void setActiveLinkColor(const Color& c) { m_activeLinkColor = c; }
699 void resetLinkColor();
700 void resetVisitedLinkColor();
701 void resetActiveLinkColor();
703 MouseEventWithHitTestResults prepareMouseEvent(const HitTestRequest&, const LayoutPoint&, const PlatformMouseEvent&);
705 StyleSheetList* styleSheets();
707 /* Newly proposed CSS3 mechanism for selecting alternate
708 stylesheets using the DOM. May be subject to change as
711 String preferredStylesheetSet() const;
712 String selectedStylesheetSet() const;
713 void setSelectedStylesheetSet(const String&);
715 bool setFocusedNode(PassRefPtr<Node>);
716 Node* focusedNode() const { return m_focusedNode.get(); }
718 void getFocusableNodes(Vector<RefPtr<Node> >&);
720 // The m_ignoreAutofocus flag specifies whether or not the document has been changed by the user enough
721 // for WebCore to ignore the autofocus attribute on any form controls
722 bool ignoreAutofocus() const { return m_ignoreAutofocus; };
723 void setIgnoreAutofocus(bool shouldIgnore = true) { m_ignoreAutofocus = shouldIgnore; };
725 void setHoverNode(PassRefPtr<Node>);
726 Node* hoverNode() const { return m_hoverNode.get(); }
728 void setActiveNode(PassRefPtr<Node>);
729 Node* activeNode() const { return m_activeNode.get(); }
731 void focusedNodeRemoved();
732 void removeFocusedNodeOfSubtree(Node*, bool amongChildrenOnly = false);
733 void hoveredNodeDetached(Node*);
734 void activeChainNodeDetached(Node*);
736 // Updates for :target (CSS3 selector).
737 void setCSSTarget(Element*);
738 Element* cssTarget() const { return m_cssTarget; }
740 void scheduleForcedStyleRecalc();
741 void scheduleStyleRecalc();
742 void unscheduleStyleRecalc();
743 bool isPendingStyleRecalc() const;
744 void styleRecalcTimerFired(Timer<Document>*);
746 void registerNodeListCache(DynamicNodeListCacheBase*);
747 void unregisterNodeListCache(DynamicNodeListCacheBase*);
748 bool shouldInvalidateNodeListCaches(const QualifiedName* attrName = 0) const;
749 void invalidateNodeListCaches(const QualifiedName* attrName);
751 void attachNodeIterator(NodeIterator*);
752 void detachNodeIterator(NodeIterator*);
753 void moveNodeIteratorsToNewDocument(Node*, Document*);
755 void attachRange(Range*);
756 void detachRange(Range*);
758 void updateRangesAfterChildrenChanged(ContainerNode*);
759 // nodeChildrenWillBeRemoved is used when removing all node children at once.
760 void nodeChildrenWillBeRemoved(ContainerNode*);
761 // nodeWillBeRemoved is only safe when removing one node at a time.
762 void nodeWillBeRemoved(Node*);
764 void textInserted(Node*, unsigned offset, unsigned length);
765 void textRemoved(Node*, unsigned offset, unsigned length);
766 void textNodesMerged(Text* oldNode, unsigned offset);
767 void textNodeSplit(Text* oldNode);
769 DOMWindow* defaultView() const { return domWindow(); }
770 DOMWindow* domWindow() const;
772 // Helper functions for forwarding DOMWindow event related tasks to the DOMWindow if it exists.
773 void setWindowAttributeEventListener(const AtomicString& eventType, PassRefPtr<EventListener>);
774 EventListener* getWindowAttributeEventListener(const AtomicString& eventType);
775 void dispatchWindowEvent(PassRefPtr<Event>, PassRefPtr<EventTarget> = 0);
776 void dispatchWindowLoadEvent();
778 PassRefPtr<Event> createEvent(const String& eventType, ExceptionCode&);
780 // keep track of what types of event listeners are registered, so we don't
781 // dispatch events unnecessarily
783 DOMSUBTREEMODIFIED_LISTENER = 0x01,
784 DOMNODEINSERTED_LISTENER = 0x02,
785 DOMNODEREMOVED_LISTENER = 0x04,
786 DOMNODEREMOVEDFROMDOCUMENT_LISTENER = 0x08,
787 DOMNODEINSERTEDINTODOCUMENT_LISTENER = 0x10,
788 DOMATTRMODIFIED_LISTENER = 0x20,
789 DOMCHARACTERDATAMODIFIED_LISTENER = 0x40,
790 OVERFLOWCHANGED_LISTENER = 0x80,
791 ANIMATIONEND_LISTENER = 0x100,
792 ANIMATIONSTART_LISTENER = 0x200,
793 ANIMATIONITERATION_LISTENER = 0x400,
794 TRANSITIONEND_LISTENER = 0x800,
795 BEFORELOAD_LISTENER = 0x1000,
796 TOUCH_LISTENER = 0x2000,
797 SCROLL_LISTENER = 0x4000,
798 REGIONLAYOUTUPDATE_LISTENER = 0x8000
801 bool hasListenerType(ListenerType listenerType) const { return (m_listenerTypes & listenerType); }
802 void addListenerType(ListenerType listenerType) { m_listenerTypes = m_listenerTypes | listenerType; }
803 void addListenerTypeIfNeeded(const AtomicString& eventType);
805 #if ENABLE(TIZEN_PLUGIN_TOUCH_EVENT)
806 void removeListenerType(const AtomicString& eventType);
809 #if ENABLE(MUTATION_OBSERVERS)
810 bool hasMutationObserversOfType(MutationObserver::MutationType type) const
812 return m_mutationObserverTypes & type;
814 bool hasMutationObservers() const { return m_mutationObserverTypes; }
815 void addMutationObserverTypes(MutationObserverOptions types) { m_mutationObserverTypes |= types; }
818 CSSStyleDeclaration* getOverrideStyle(Element*, const String& pseudoElt);
820 int nodeAbsIndex(Node*);
821 Node* nodeWithAbsIndex(int absIndex);
824 * Handles a HTTP header equivalent set by a meta tag using <meta http-equiv="..." content="...">. This is called
825 * when a meta tag is encountered during document parsing, and also when a script dynamically changes or adds a meta
826 * tag. This enables scripts to use meta tags to perform refreshes and set expiry dates in addition to them being
827 * specified in a HTML file.
829 * @param equiv The http header name (value of the meta tag's "equiv" attribute)
830 * @param content The header value (value of the meta tag's "content" attribute)
832 void processHttpEquiv(const String& equiv, const String& content);
833 void processViewport(const String& features, ViewportArguments::Type origin);
834 void updateViewportArguments();
835 void processReferrerPolicy(const String& policy);
837 // Returns the owning element in the parent document.
838 // Returns 0 if this is the top level document.
839 HTMLFrameOwnerElement* ownerElement() const;
841 HTMLIFrameElement* seamlessParentIFrame() const;
842 bool shouldDisplaySeamlesslyWithParent() const;
844 // Used by DOM bindings; no direction known.
845 String title() const { return m_title.string(); }
846 void setTitle(const String&);
848 void setTitleElement(const StringWithDirection&, Element* titleElement);
849 void removeTitle(Element* titleElement);
851 String cookie(ExceptionCode&) const;
852 void setCookie(const String&, ExceptionCode&);
854 String referrer() const;
856 String domain() const;
857 void setDomain(const String& newDomain, ExceptionCode&);
859 String lastModified() const;
861 // The cookieURL is used to query the cookie database for this document's
862 // cookies. For example, if the cookie URL is http://example.com, we'll
863 // use the non-Secure cookies for example.com when computing
866 // Q: How is the cookieURL different from the document's URL?
867 // A: The two URLs are the same almost all the time. However, if one
868 // document inherits the security context of another document, it
869 // inherits its cookieURL but not its URL.
871 const KURL& cookieURL() const { return m_cookieURL; }
872 void setCookieURL(const KURL& url) { m_cookieURL = url; }
874 // The firstPartyForCookies is used to compute whether this document
875 // appears in a "third-party" context for the purpose of third-party
876 // cookie blocking. The document is in a third-party context if the
877 // cookieURL and the firstPartyForCookies are from different hosts.
879 // Note: Some ports (including possibly Apple's) only consider the
880 // document in a third-party context if the cookieURL and the
881 // firstPartyForCookies have a different registry-controlled
884 const KURL& firstPartyForCookies() const { return m_firstPartyForCookies; }
885 void setFirstPartyForCookies(const KURL& url) { m_firstPartyForCookies = url; }
887 // The following implements the rule from HTML 4 for what valid names are.
888 // To get this right for all the XML cases, we probably have to improve this or move it
889 // and make it sensitive to the type of document.
890 static bool isValidName(const String&);
892 // The following breaks a qualified name into a prefix and a local name.
893 // It also does a validity check, and returns false if the qualified name
894 // is invalid. It also sets ExceptionCode when name is invalid.
895 static bool parseQualifiedName(const String& qualifiedName, String& prefix, String& localName, ExceptionCode&);
897 // Checks to make sure prefix and namespace do not conflict (per DOM Core 3)
898 static bool hasValidNamespaceForElements(const QualifiedName&);
899 static bool hasValidNamespaceForAttributes(const QualifiedName&);
901 HTMLElement* body() const;
902 void setBody(PassRefPtr<HTMLElement>, ExceptionCode&);
904 HTMLHeadElement* head();
906 DocumentMarkerController* markers() const { return m_markers.get(); }
908 bool directionSetOnDocumentElement() const { return m_directionSetOnDocumentElement; }
909 bool writingModeSetOnDocumentElement() const { return m_writingModeSetOnDocumentElement; }
910 void setDirectionSetOnDocumentElement(bool b) { m_directionSetOnDocumentElement = b; }
911 void setWritingModeSetOnDocumentElement(bool b) { m_writingModeSetOnDocumentElement = b; }
913 bool execCommand(const String& command, bool userInterface = false, const String& value = String());
914 bool queryCommandEnabled(const String& command);
915 bool queryCommandIndeterm(const String& command);
916 bool queryCommandState(const String& command);
917 bool queryCommandSupported(const String& command);
918 String queryCommandValue(const String& command);
920 KURL openSearchDescriptionURL();
922 // designMode support
923 enum InheritedBool { off = false, on = true, inherit };
924 void setDesignMode(InheritedBool value);
925 InheritedBool getDesignMode() const;
926 bool inDesignMode() const;
928 Document* parentDocument() const;
929 Document* topDocument() const;
931 int docID() const { return m_docID; }
933 ScriptRunner* scriptRunner() { return m_scriptRunner.get(); }
936 void applyXSLTransform(ProcessingInstruction* pi);
937 PassRefPtr<Document> transformSourceDocument() { return m_transformSourceDocument; }
938 void setTransformSourceDocument(Document* doc) { m_transformSourceDocument = doc; }
940 void setTransformSource(PassOwnPtr<TransformSource>);
941 TransformSource* transformSource() const { return m_transformSource.get(); }
944 void incDOMTreeVersion() { m_domTreeVersion = ++s_globalTreeVersion; }
945 uint64_t domTreeVersion() const { return m_domTreeVersion; }
947 void setDocType(PassRefPtr<DocumentType>);
949 // XPathEvaluator methods
950 PassRefPtr<XPathExpression> createExpression(const String& expression,
951 XPathNSResolver* resolver,
953 PassRefPtr<XPathNSResolver> createNSResolver(Node *nodeResolver);
954 PassRefPtr<XPathResult> evaluate(const String& expression,
956 XPathNSResolver* resolver,
961 enum PendingSheetLayout { NoLayoutWithPendingSheets, DidLayoutWithPendingSheets, IgnoreLayoutWithPendingSheets };
963 bool didLayoutWithPendingStylesheets() const { return m_pendingSheetLayout == DidLayoutWithPendingSheets; }
965 void setHasNodesWithPlaceholderStyle() { m_hasNodesWithPlaceholderStyle = true; }
967 const Vector<IconURL>& iconURLs();
968 void addIconURL(const String& url, const String& mimeType, const String& size, IconType);
970 void setUseSecureKeyboardEntryWhenActive(bool);
971 bool useSecureKeyboardEntryWhenActive() const;
973 void updateFocusAppearanceSoon(bool restorePreviousSelection);
974 void cancelFocusAppearanceUpdate();
976 // Extension for manipulating canvas drawing contexts for use in CSS
977 CanvasRenderingContext* getCSSCanvasContext(const String& type, const String& name, int width, int height);
978 HTMLCanvasElement* getCSSCanvasElement(const String& name);
980 bool isDNSPrefetchEnabled() const { return m_isDNSPrefetchEnabled; }
981 void parseDNSPrefetchControlHeader(const String&);
983 virtual void postTask(PassOwnPtr<Task>); // Executes the task on context's thread asynchronously.
985 virtual void suspendScriptedAnimationControllerCallbacks();
986 virtual void resumeScriptedAnimationControllerCallbacks();
988 void windowScreenDidChange(PlatformDisplayID);
990 virtual void finishedParsing();
992 bool inPageCache() const { return m_inPageCache; }
993 void setInPageCache(bool flag);
995 // Elements can register themselves for the "documentWillSuspendForPageCache()" and
996 // "documentDidResumeFromPageCache()" callbacks
997 void registerForPageCacheSuspensionCallbacks(Element*);
998 void unregisterForPageCacheSuspensionCallbacks(Element*);
1000 void documentWillBecomeInactive();
1001 void documentWillSuspendForPageCache();
1002 void documentDidResumeFromPageCache();
1004 void registerForMediaVolumeCallbacks(Element*);
1005 void unregisterForMediaVolumeCallbacks(Element*);
1006 void mediaVolumeDidChange();
1008 void registerForPrivateBrowsingStateChangedCallbacks(Element*);
1009 void unregisterForPrivateBrowsingStateChangedCallbacks(Element*);
1010 void privateBrowsingStateDidChange();
1012 void setShouldCreateRenderers(bool);
1013 bool shouldCreateRenderers();
1015 void setDecoder(PassRefPtr<TextResourceDecoder>);
1016 TextResourceDecoder* decoder() const { return m_decoder.get(); }
1018 String displayStringModifiedByEncoding(const String&) const;
1019 PassRefPtr<StringImpl> displayStringModifiedByEncoding(PassRefPtr<StringImpl>) const;
1020 void displayBufferModifiedByEncoding(UChar* buffer, unsigned len) const;
1022 // Quirk for the benefit of Apple's Dictionary application.
1023 void setFrameElementsShouldIgnoreScrolling(bool ignore) { m_frameElementsShouldIgnoreScrolling = ignore; }
1024 bool frameElementsShouldIgnoreScrolling() const { return m_frameElementsShouldIgnoreScrolling; }
1026 #if ENABLE(DASHBOARD_SUPPORT)
1027 void setDashboardRegionsDirty(bool f) { m_dashboardRegionsDirty = f; }
1028 bool dashboardRegionsDirty() const { return m_dashboardRegionsDirty; }
1029 bool hasDashboardRegions () const { return m_hasDashboardRegions; }
1030 void setHasDashboardRegions(bool f) { m_hasDashboardRegions = f; }
1031 const Vector<DashboardRegionValue>& dashboardRegions() const;
1032 void setDashboardRegions(const Vector<DashboardRegionValue>&);
1035 virtual void removeAllEventListeners();
1038 const SVGDocumentExtensions* svgExtensions();
1039 SVGDocumentExtensions* accessSVGExtensions();
1042 void initSecurityContext();
1043 void initContentSecurityPolicy();
1045 void updateURLForPushOrReplaceState(const KURL&);
1046 void statePopped(PassRefPtr<SerializedScriptValue>);
1048 bool processingLoadEvent() const { return m_processingLoadEvent; }
1049 bool loadEventFinished() const { return m_loadEventFinished; }
1051 virtual bool isContextThread() const;
1052 virtual bool isJSExecutionForbidden() const { return false; }
1054 bool containsValidityStyleRules() const { return m_containsValidityStyleRules; }
1055 void setContainsValidityStyleRules() { m_containsValidityStyleRules = true; }
1057 void enqueueWindowEvent(PassRefPtr<Event>);
1058 void enqueueDocumentEvent(PassRefPtr<Event>);
1059 void enqueuePageshowEvent(PageshowEventPersistence);
1060 void enqueueHashchangeEvent(const String& oldURL, const String& newURL);
1061 void enqueuePopstateEvent(PassRefPtr<SerializedScriptValue> stateObject);
1062 virtual DocumentEventQueue* eventQueue() const { return m_eventQueue.get(); }
1064 void addMediaCanStartListener(MediaCanStartListener*);
1065 void removeMediaCanStartListener(MediaCanStartListener*);
1066 MediaCanStartListener* takeAnyMediaCanStartListener();
1068 const QualifiedName& idAttributeName() const { return m_idAttributeName; }
1070 #if ENABLE(FULLSCREEN_API)
1071 bool webkitIsFullScreen() const { return m_fullScreenElement.get(); }
1072 bool webkitFullScreenKeyboardInputAllowed() const { return m_fullScreenElement.get() && m_areKeysEnabledInFullScreen; }
1073 Element* webkitCurrentFullScreenElement() const { return m_fullScreenElement.get(); }
1075 enum FullScreenCheckType {
1076 EnforceIFrameAllowFullScreenRequirement,
1077 ExemptIFrameAllowFullScreenRequirement,
1080 void requestFullScreenForElement(Element*, unsigned short flags, FullScreenCheckType);
1081 void webkitCancelFullScreen();
1083 void webkitWillEnterFullScreenForElement(Element*);
1084 void webkitDidEnterFullScreenForElement(Element*);
1085 void webkitWillExitFullScreenForElement(Element*);
1086 void webkitDidExitFullScreenForElement(Element*);
1088 void setFullScreenRenderer(RenderFullScreen*);
1089 RenderFullScreen* fullScreenRenderer() const { return m_fullScreenRenderer; }
1090 void fullScreenRendererDestroyed();
1092 void setFullScreenRendererSize(const IntSize&);
1093 void setFullScreenRendererBackgroundColor(Color);
1095 void fullScreenChangeDelayTimerFired(Timer<Document>*);
1096 bool fullScreenIsAllowedForElement(Element*) const;
1097 void fullScreenElementRemoved();
1098 void removeFullScreenElementOfSubtree(Node*, bool amongChildrenOnly = false);
1099 bool isAnimatingFullScreen() const;
1100 void setAnimatingFullScreen(bool);
1103 bool webkitFullscreenEnabled() const;
1104 Element* webkitFullscreenElement() const { return !m_fullScreenElementStack.isEmpty() ? m_fullScreenElementStack.first().get() : 0; }
1105 void webkitExitFullscreen();
1108 #if ENABLE(POINTER_LOCK)
1109 void webkitExitPointerLock();
1110 Element* webkitPointerLockElement() const;
1113 // Used to allow element that loads data without going through a FrameLoader to delay the 'load' event.
1114 void incrementLoadEventDelayCount() { ++m_loadEventDelayCount; }
1115 void decrementLoadEventDelayCount();
1116 bool isDelayingLoadEvent() const { return m_loadEventDelayCount; }
1118 #if ENABLE(TOUCH_EVENTS)
1119 PassRefPtr<Touch> createTouch(DOMWindow*, EventTarget*, int identifier, int pageX, int pageY, int screenX, int screenY, int radiusX, int radiusY, float rotationAngle, float force, ExceptionCode&) const;
1122 const DocumentTiming* timing() const { return &m_documentTiming; }
1124 #if ENABLE(REQUEST_ANIMATION_FRAME)
1125 int webkitRequestAnimationFrame(PassRefPtr<RequestAnimationFrameCallback>);
1126 void webkitCancelAnimationFrame(int id);
1127 void serviceScriptedAnimations(DOMTimeStamp);
1130 virtual EventTarget* errorEventTarget();
1131 virtual void logExceptionToConsole(const String& errorMessage, const String& sourceURL, int lineNumber, PassRefPtr<ScriptCallStack>);
1133 void initDNSPrefetch();
1135 unsigned wheelEventHandlerCount() const { return m_wheelEventHandlerCount; }
1136 void didAddWheelEventHandler();
1137 void didRemoveWheelEventHandler();
1139 #if ENABLE(TOUCH_EVENTS)
1140 unsigned touchEventHandlerCount() const { return m_touchEventHandlerCount; }
1142 unsigned touchEventHandlerCount() const { return 0; }
1145 void didAddTouchEventHandler();
1146 void didRemoveTouchEventHandler();
1148 bool visualUpdatesAllowed() const { return m_visualUpdatesAllowed; }
1150 #if ENABLE(MICRODATA)
1151 PassRefPtr<NodeList> getItems(const String& typeNames);
1154 #if ENABLE(UNDO_MANAGER)
1155 PassRefPtr<UndoManager> undoManager();
1158 bool isInDocumentWrite() { return m_writeRecursionDepth > 0; }
1160 void suspendScheduledTasks(ActiveDOMObject::ReasonForSuspension);
1161 void resumeScheduledTasks();
1163 IntSize viewportSize() const;
1165 #if ENABLE(LINK_PRERENDER)
1166 Prerenderer* prerenderer() { return m_prerenderer.get(); }
1169 #if ENABLE(TEXT_AUTOSIZING)
1170 TextAutosizer* textAutosizer() { return m_textAutosizer.get(); }
1173 void adjustFloatQuadsForScrollAndAbsoluteZoomAndFrameScale(Vector<FloatQuad>&, RenderObject*);
1174 void adjustFloatRectForScrollAndAbsoluteZoomAndFrameScale(FloatRect&, RenderObject*);
1176 void setContextFeatures(PassRefPtr<ContextFeatures>);
1177 ContextFeatures* contextFeatures() { return m_contextFeatures.get(); }
1179 virtual void reportMemoryUsage(MemoryObjectInfo*) const OVERRIDE;
1182 Document(Frame*, const KURL&, bool isXHTML, bool isHTML);
1184 virtual void didUpdateSecurityOrigin() OVERRIDE;
1186 void clearXMLVersion() { m_xmlVersion = String(); }
1190 friend class IgnoreDestructiveWriteCountIncrementer;
1192 void removedLastRef();
1194 void detachParser();
1196 typedef void (*ArgumentsCallback)(const String& keyString, const String& valueString, Document*, void* data);
1197 void processArguments(const String& features, void* data, ArgumentsCallback);
1199 virtual bool isDocument() const { return true; }
1201 virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
1203 virtual String nodeName() const;
1204 virtual NodeType nodeType() const;
1205 virtual bool childTypeAllowed(NodeType) const;
1206 virtual PassRefPtr<Node> cloneNode(bool deep);
1207 virtual bool canReplaceChild(Node* newChild, Node* oldChild);
1209 virtual void refScriptExecutionContext() { ref(); }
1210 virtual void derefScriptExecutionContext() { deref(); }
1212 virtual const KURL& virtualURL() const; // Same as url(), but needed for ScriptExecutionContext to implement it without a performance loss for direct calls.
1213 virtual KURL virtualCompleteURL(const String&) const; // Same as completeURL() for the same reason as above.
1215 virtual void addMessage(MessageSource, MessageType, MessageLevel, const String& message, const String& sourceURL, unsigned lineNumber, PassRefPtr<ScriptCallStack>);
1217 virtual double minimumTimerInterval() const;
1219 void updateTitle(const StringWithDirection&);
1220 void updateFocusAppearanceTimerFired(Timer<Document>*);
1221 void updateBaseURL();
1223 void buildAccessKeyMap(TreeScope* root);
1225 void createStyleResolver();
1226 void clearStyleResolver();
1227 void combineCSSFeatureFlags();
1228 void resetCSSFeatureFlags();
1230 bool updateActiveStylesheets(StyleResolverUpdateFlag);
1231 void collectActiveStylesheets(Vector<RefPtr<StyleSheet> >&);
1232 bool testAddedStylesheetRequiresStyleRecalc(StyleSheetContents*);
1233 void analyzeStylesheetChange(StyleResolverUpdateFlag, const Vector<RefPtr<StyleSheet> >& newStylesheets, bool& requiresStyleResolverReset, bool& requiresFullStyleRecalc);
1235 void seamlessParentUpdatedStylesheets();
1236 void notifySeamlessChildDocumentsOfStylesheetUpdate() const;
1238 void deleteCustomFonts();
1240 PassRefPtr<NodeList> handleZeroPadding(const HitTestRequest&, HitTestResult&) const;
1242 void loadEventDelayTimerFired(Timer<Document>*);
1244 void pendingTasksTimerFired(Timer<Document>*);
1246 static void didReceiveTask(void*);
1248 #if ENABLE(PAGE_VISIBILITY_API)
1249 PageVisibilityState visibilityState() const;
1252 PassRefPtr<HTMLCollection> cachedCollection(CollectionType);
1254 #if ENABLE(FULLSCREEN_API)
1255 void clearFullscreenElementStack();
1256 void popFullscreenElementStack();
1257 void pushFullscreenElementStack(Element*);
1258 void addDocumentToFullScreenChangeEventQueue(Document*);
1261 void setVisualUpdatesAllowed(ReadyState);
1262 void setVisualUpdatesAllowed(bool);
1263 void visualUpdatesSuppressionTimerFired(Timer<Document>*);
1265 int m_guardRefCount;
1267 OwnPtr<StyleResolver> m_styleResolver;
1268 bool m_didCalculateStyleResolver;
1269 bool m_hasDirtyStyleResolver;
1270 Vector<OwnPtr<FontData> > m_customFonts;
1273 OwnPtr<CachedResourceLoader> m_cachedResourceLoader;
1274 RefPtr<DocumentParser> m_parser;
1275 RefPtr<ContextFeatures> m_contextFeatures;
1280 KURL m_url; // Document.URL: The URL from which this document was retrieved.
1281 KURL m_baseURL; // Node.baseURI: The URL to use when resolving relative URLs.
1282 KURL m_baseURLOverride; // An alternative base URL that takes precedence over m_baseURL (but not m_baseElementURL).
1283 KURL m_baseElementURL; // The URL set by the <base> element.
1284 KURL m_cookieURL; // The URL to use for cookie access.
1285 KURL m_firstPartyForCookies; // The policy URL for third-party cookie blocking.
1287 // Document.documentURI:
1288 // Although URL-like, Document.documentURI can actually be set to any
1289 // string by content. Document.documentURI affects m_baseURL unless the
1290 // document contains a <base> element, in which case the <base> element
1291 // takes precedence.
1293 // This property is read-only from JavaScript, but writable from Objective C.
1294 String m_documentURI;
1296 String m_baseTarget;
1298 RefPtr<DocumentType> m_docType;
1299 OwnPtr<DOMImplementation> m_implementation;
1301 // Track the number of currently loading top-level stylesheets needed for rendering.
1302 // Sheets loaded using the @import directive are not included in this count.
1303 // We use this count of pending sheets to detect when we can begin attaching
1304 // elements and when it is safe to execute scripts.
1305 int m_pendingStylesheets;
1307 // But sometimes you need to ignore pending stylesheet count to
1308 // force an immediate layout when requested by JS.
1309 bool m_ignorePendingStylesheets;
1311 // If we do ignore the pending stylesheet count, then we need to add a boolean
1312 // to track that this happened so that we can do a full repaint when the stylesheets
1313 // do eventually load.
1314 PendingSheetLayout m_pendingSheetLayout;
1316 bool m_hasNodesWithPlaceholderStyle;
1318 RefPtr<CSSStyleSheet> m_elemSheet;
1319 RefPtr<CSSStyleSheet> m_pageUserSheet;
1320 mutable OwnPtr<Vector<RefPtr<CSSStyleSheet> > > m_pageGroupUserSheets;
1321 OwnPtr<Vector<RefPtr<CSSStyleSheet> > > m_userSheets;
1322 mutable bool m_pageGroupUserSheetCacheValid;
1325 bool m_paginatedForScreen;
1327 bool m_ignoreAutofocus;
1329 CompatibilityMode m_compatibilityMode;
1330 bool m_compatibilityModeLocked; // This is cheaper than making setCompatibilityMode virtual.
1334 RefPtr<Node> m_focusedNode;
1335 RefPtr<Node> m_hoverNode;
1336 RefPtr<Node> m_activeNode;
1337 RefPtr<Element> m_documentElement;
1339 uint64_t m_domTreeVersion;
1340 static uint64_t s_globalTreeVersion;
1342 HashSet<NodeIterator*> m_nodeIterators;
1343 HashSet<Range*> m_ranges;
1345 unsigned short m_listenerTypes;
1347 #if ENABLE(MUTATION_OBSERVERS)
1348 MutationObserverOptions m_mutationObserverTypes;
1351 RefPtr<StyleSheetList> m_styleSheets; // All of the stylesheets that are currently in effect for our media type and stylesheet set.
1352 bool m_hadActiveLoadingStylesheet;
1354 typedef ListHashSet<Node*, 32> StyleSheetCandidateListHashSet;
1355 StyleSheetCandidateListHashSet m_styleSheetCandidateNodes; // All of the nodes that could potentially provide stylesheets to the document (<link>, <style>, <?xml-stylesheet>)
1357 OwnPtr<FormController> m_formController;
1360 Color m_visitedLinkColor;
1361 Color m_activeLinkColor;
1363 String m_preferredStylesheetSet;
1364 String m_selectedStylesheetSet;
1366 bool m_loadingSheet;
1367 bool m_visuallyOrdered;
1368 ReadyState m_readyState;
1371 Timer<Document> m_styleRecalcTimer;
1372 bool m_pendingStyleRecalcShouldForce;
1373 bool m_inStyleRecalc;
1374 bool m_closeAfterStyleRecalc;
1376 bool m_usesSiblingRules;
1377 bool m_usesSiblingRulesOverride;
1378 bool m_usesFirstLineRules;
1379 bool m_usesFirstLetterRules;
1380 bool m_usesBeforeAfterRules;
1381 bool m_usesBeforeAfterRulesOverride;
1382 bool m_usesRemUnits;
1383 bool m_usesLinkRules;
1384 bool m_gotoAnchorNeededAfterStylesheetsLoad;
1385 bool m_isDNSPrefetchEnabled;
1386 bool m_haveExplicitlyDisabledDNSPrefetch;
1387 bool m_frameElementsShouldIgnoreScrolling;
1388 bool m_containsValidityStyleRules;
1389 bool m_updateFocusAppearanceRestoresSelection;
1391 // http://www.whatwg.org/specs/web-apps/current-work/#ignore-destructive-writes-counter
1392 unsigned m_ignoreDestructiveWriteCount;
1394 StringWithDirection m_title;
1395 StringWithDirection m_rawTitle;
1396 bool m_titleSetExplicitly;
1397 RefPtr<Element> m_titleElement;
1399 OwnPtr<RenderArena> m_renderArena;
1401 mutable AXObjectCache* m_axObjectCache;
1402 OwnPtr<DocumentMarkerController> m_markers;
1404 Timer<Document> m_updateFocusAppearanceTimer;
1406 Element* m_cssTarget;
1408 // FIXME: Merge these 2 variables into an enum. Also, FrameLoader::m_didCallImplicitClose
1409 // is almost a duplication of this data, so that should probably get merged in too.
1410 // FIXME: Document::m_processingLoadEvent and DocumentLoader::m_wasOnloadHandled are roughly the same
1411 // and should be merged.
1412 bool m_processingLoadEvent;
1413 bool m_loadEventFinished;
1415 RefPtr<SerializedScriptValue> m_pendingStateObject;
1417 bool m_overMinimumLayoutThreshold;
1419 OwnPtr<ScriptRunner> m_scriptRunner;
1422 OwnPtr<TransformSource> m_transformSource;
1423 RefPtr<Document> m_transformSourceDocument;
1426 int m_docID; // A unique document identifier used for things like document-specific mapped attributes.
1428 String m_xmlEncoding;
1429 String m_xmlVersion;
1430 unsigned m_xmlStandalone : 2;
1431 unsigned m_hasXMLDeclaration : 1;
1433 String m_contentLanguage;
1435 RenderObject* m_savedRenderer;
1437 RefPtr<TextResourceDecoder> m_decoder;
1439 InheritedBool m_designMode;
1441 HashSet<DynamicNodeListCacheBase*> m_listsInvalidatedAtDocument;
1442 unsigned m_nodeListCounts[numNodeListInvalidationTypes];
1444 HTMLCollection* m_collections[NumUnnamedDocumentCachedTypes];
1445 typedef HashMap<AtomicString, HTMLNameCollection*> NamedCollectionMap;
1446 NamedCollectionMap m_documentNamedItemCollections;
1447 NamedCollectionMap m_windowNamedItemCollections;
1449 RefPtr<XPathEvaluator> m_xpathEvaluator;
1452 OwnPtr<SVGDocumentExtensions> m_svgExtensions;
1455 #if ENABLE(DASHBOARD_SUPPORT)
1456 Vector<DashboardRegionValue> m_dashboardRegions;
1457 bool m_hasDashboardRegions;
1458 bool m_dashboardRegionsDirty;
1461 HashMap<String, RefPtr<HTMLCanvasElement> > m_cssCanvasElements;
1463 bool m_createRenderers;
1465 Vector<IconURL> m_iconURLs;
1467 HashSet<Element*> m_documentSuspensionCallbackElements;
1468 HashSet<Element*> m_mediaVolumeCallbackElements;
1469 HashSet<Element*> m_privateBrowsingStateChangedElements;
1471 HashMap<StringImpl*, Element*, CaseFoldingHash> m_elementsByAccessKey;
1472 bool m_accessKeyMapValid;
1474 OwnPtr<SelectorQueryCache> m_selectorQueryCache;
1476 bool m_useSecureKeyboardEntryWhenActive;
1481 bool m_isViewSource;
1482 bool m_sawElementsInKnownNamespaces;
1483 bool m_isSrcdocDocument;
1485 NodeRareData* m_documentRareData;
1487 RefPtr<DocumentEventQueue> m_eventQueue;
1489 RefPtr<DocumentWeakReference> m_weakReference;
1491 HashSet<MediaCanStartListener*> m_mediaCanStartListeners;
1493 QualifiedName m_idAttributeName;
1495 #if ENABLE(FULLSCREEN_API)
1496 bool m_areKeysEnabledInFullScreen;
1497 RefPtr<Element> m_fullScreenElement;
1498 Deque<RefPtr<Element> > m_fullScreenElementStack;
1499 RenderFullScreen* m_fullScreenRenderer;
1500 Timer<Document> m_fullScreenChangeDelayTimer;
1501 Deque<RefPtr<Node> > m_fullScreenChangeEventTargetQueue;
1502 Deque<RefPtr<Node> > m_fullScreenErrorEventTargetQueue;
1503 bool m_isAnimatingFullScreen;
1504 LayoutRect m_savedPlaceholderFrameRect;
1505 RefPtr<RenderStyle> m_savedPlaceholderRenderStyle;
1508 int m_loadEventDelayCount;
1509 Timer<Document> m_loadEventDelayTimer;
1511 ViewportArguments m_viewportArguments;
1513 ReferrerPolicy m_referrerPolicy;
1515 bool m_directionSetOnDocumentElement;
1516 bool m_writingModeSetOnDocumentElement;
1518 DocumentTiming m_documentTiming;
1519 RefPtr<MediaQueryMatcher> m_mediaQueryMatcher;
1520 bool m_writeRecursionIsTooDeep;
1521 unsigned m_writeRecursionDepth;
1523 unsigned m_wheelEventHandlerCount;
1524 #if ENABLE(TOUCH_EVENTS)
1525 unsigned m_touchEventHandlerCount;
1528 #if ENABLE(UNDO_MANAGER)
1529 RefPtr<UndoManager> m_undoManager;
1532 #if ENABLE(REQUEST_ANIMATION_FRAME)
1533 RefPtr<ScriptedAnimationController> m_scriptedAnimationController;
1536 Timer<Document> m_pendingTasksTimer;
1537 Vector<OwnPtr<Task> > m_pendingTasks;
1539 #if ENABLE(LINK_PRERENDER)
1540 OwnPtr<Prerenderer> m_prerenderer;
1543 #if ENABLE(TEXT_AUTOSIZING)
1544 OwnPtr<TextAutosizer> m_textAutosizer;
1547 bool m_scheduledTasksAreSuspended;
1549 bool m_visualUpdatesAllowed;
1550 Timer<Document> m_visualUpdatesSuppressionTimer;
1552 RefPtr<WebKitNamedFlowCollection> m_namedFlows;
1554 #if ENABLE(CSP_NEXT)
1555 RefPtr<DOMSecurityPolicy> m_domSecurityPolicy;
1559 bool m_didDispatchViewportPropertiesChanged;
1563 // Put these methods here, because they require the Document definition, but we really want to inline them.
1565 inline bool Node::isDocumentNode() const
1567 return this == m_document;
1570 inline Node::Node(Document* document, ConstructionType type)
1572 , m_document(document)
1576 #if ENABLE(TIZEN_ELEMENT_CREATED_BY_PARSER_INFO_STORE)
1577 , m_createdByParser(true)
1581 document->guardRef();
1582 #if !defined(NDEBUG) || (defined(DUMP_NODE_STATISTICS) && DUMP_NODE_STATISTICS)
1583 trackForDebugging();
1585 InspectorCounters::incrementCounter(InspectorCounters::NodeCounter);
1588 Node* eventTargetNodeForDocument(Document*);
1590 } // namespace WebCore
1592 #endif // Document_h