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();
421 #if ENABLE(TIZEN_GSTREAMER_AUDIO)
422 void incrementActiveMediaObjectCount();
423 void decrementActiveMediaObjectCount();
428 DOMSecurityPolicy* securityPolicy();
431 PassRefPtr<Node> adoptNode(PassRefPtr<Node> source, ExceptionCode&);
433 PassRefPtr<HTMLCollection> images();
434 PassRefPtr<HTMLCollection> embeds();
435 PassRefPtr<HTMLCollection> plugins(); // an alias for embeds() required for the JS DOM bindings.
436 PassRefPtr<HTMLCollection> applets();
437 PassRefPtr<HTMLCollection> links();
438 PassRefPtr<HTMLCollection> forms();
439 PassRefPtr<HTMLCollection> anchors();
440 PassRefPtr<HTMLCollection> objects();
441 PassRefPtr<HTMLCollection> scripts();
442 PassRefPtr<HTMLCollection> all();
443 void removeCachedHTMLCollection(HTMLCollection*, CollectionType);
445 PassRefPtr<HTMLCollection> windowNamedItems(const AtomicString& name);
446 PassRefPtr<HTMLCollection> documentNamedItems(const AtomicString& name);
447 void removeWindowNamedItemCache(HTMLCollection*, const AtomicString&);
448 void removeDocumentNamedItemCache(HTMLCollection*, const AtomicString&);
450 // Other methods (not part of DOM)
451 bool isHTMLDocument() const { return m_isHTML; }
452 bool isXHTMLDocument() const { return m_isXHTML; }
453 virtual bool isImageDocument() const { return false; }
455 virtual bool isSVGDocument() const { return false; }
456 bool hasSVGRootNode() const;
458 static bool isSVGDocument() { return false; }
459 static bool hasSVGRootNode() { return false; }
461 virtual bool isPluginDocument() const { return false; }
462 virtual bool isMediaDocument() const { return false; }
463 virtual bool isFrameSet() const { return false; }
465 bool isSrcdocDocument() const { return m_isSrcdocDocument; }
467 NodeRareData* documentRareData() const { return m_documentRareData; };
468 void setDocumentRareData(NodeRareData*);
470 StyleResolver* styleResolverIfExists() const { return m_styleResolver.get(); }
472 bool isViewSource() const { return m_isViewSource; }
473 void setIsViewSource(bool);
475 bool sawElementsInKnownNamespaces() const { return m_sawElementsInKnownNamespaces; }
477 StyleResolver* styleResolver()
479 if (!m_styleResolver)
480 createStyleResolver();
481 return m_styleResolver.get();
485 * Updates the pending sheet count and then calls updateActiveStylesheets.
487 void removePendingSheet();
490 * This method returns true if all top-level stylesheets have loaded (including
491 * any @imports that they may be loading).
493 bool haveStylesheetsLoaded() const
495 return m_pendingStylesheets <= 0 || m_ignorePendingStylesheets;
499 * Increments the number of pending sheets. The <link> elements
500 * invoke this to add themselves to the loading list.
502 void addPendingSheet() { m_pendingStylesheets++; }
504 void addStyleSheetCandidateNode(Node*, bool createdByParser);
505 void removeStyleSheetCandidateNode(Node*);
507 bool gotoAnchorNeededAfterStylesheetsLoad() { return m_gotoAnchorNeededAfterStylesheetsLoad; }
508 void setGotoAnchorNeededAfterStylesheetsLoad(bool b) { m_gotoAnchorNeededAfterStylesheetsLoad = b; }
511 * Called when one or more stylesheets in the document may have been added, removed or changed.
513 * Creates a new style resolver and assign it to this document. This is done by iterating through all nodes in
514 * document (or those before <BODY> in a HTML document), searching for stylesheets. Stylesheets can be contained in
515 * <LINK>, <STYLE> or <BODY> elements, as well as processing instructions (XML documents only). A list is
516 * constructed from these which is used to create the a new style selector which collates all of the stylesheets
517 * found and is used to calculate the derived styles for all rendering objects.
519 void styleResolverChanged(StyleResolverUpdateFlag);
521 void evaluateMediaQueryList();
523 bool usesSiblingRules() const { return m_usesSiblingRules || m_usesSiblingRulesOverride; }
524 void setUsesSiblingRules(bool b) { m_usesSiblingRulesOverride = b; }
525 bool usesFirstLineRules() const { return m_usesFirstLineRules; }
526 bool usesFirstLetterRules() const { return m_usesFirstLetterRules; }
527 void setUsesFirstLetterRules(bool b) { m_usesFirstLetterRules = b; }
528 bool usesBeforeAfterRules() const { return m_usesBeforeAfterRules || m_usesBeforeAfterRulesOverride; }
529 void setUsesBeforeAfterRules(bool b) { m_usesBeforeAfterRulesOverride = b; }
530 bool usesRemUnits() const { return m_usesRemUnits; }
531 bool usesLinkRules() const { return linkColor() != visitedLinkColor() || m_usesLinkRules; }
532 void setUsesLinkRules(bool b) { m_usesLinkRules = b; }
535 FormController* formController();
536 Vector<String> formElementsState() const;
537 void setStateForNewFormElements(const Vector<String>&);
539 FrameView* view() const; // can be NULL
540 Frame* frame() const { return m_frame; } // can be NULL
541 Page* page() const; // can be NULL
542 Settings* settings() const; // can be NULL
544 PassRefPtr<Range> createRange();
546 PassRefPtr<NodeIterator> createNodeIterator(Node* root, unsigned whatToShow,
547 PassRefPtr<NodeFilter>, bool expandEntityReferences, ExceptionCode&);
549 PassRefPtr<TreeWalker> createTreeWalker(Node* root, unsigned whatToShow,
550 PassRefPtr<NodeFilter>, bool expandEntityReferences, ExceptionCode&);
552 // Special support for editing
553 PassRefPtr<CSSStyleDeclaration> createCSSStyleDeclaration();
554 PassRefPtr<EditingText> createEditingTextNode(const String&);
556 void recalcStyle(StyleChange = NoChange);
557 bool childNeedsAndNotInStyleRecalc();
558 virtual void updateStyleIfNeeded();
560 void updateLayoutIgnorePendingStylesheets();
561 PassRefPtr<RenderStyle> styleForElementIgnoringPendingStylesheets(Element*);
562 PassRefPtr<RenderStyle> styleForPage(int pageIndex);
564 void registerCustomFont(PassOwnPtr<FontData>);
566 // Returns true if page box (margin boxes and page borders) is visible.
567 bool isPageBoxVisible(int pageIndex);
569 // Returns the preferred page size and margins in pixels, assuming 96
570 // pixels per inch. pageSize, marginTop, marginRight, marginBottom,
571 // marginLeft must be initialized to the default values that are used if
572 // auto is specified.
573 void pageSizeAndMarginsInPixels(int pageIndex, IntSize& pageSize, int& marginTop, int& marginRight, int& marginBottom, int& marginLeft);
575 static void updateStyleForAllDocuments(); // FIXME: Try to reduce the # of calls to this function.
576 CachedResourceLoader* cachedResourceLoader() { return m_cachedResourceLoader.get(); }
578 virtual void attach();
579 virtual void detach();
580 void prepareForDestruction();
582 // Override ScriptExecutionContext methods to do additional work
583 virtual void suspendActiveDOMObjects(ActiveDOMObject::ReasonForSuspension) OVERRIDE;
584 virtual void resumeActiveDOMObjects() OVERRIDE;
586 RenderArena* renderArena() { return m_renderArena.get(); }
588 RenderView* renderView() const;
590 void clearAXObjectCache();
591 AXObjectCache* axObjectCache() const;
592 bool axObjectCacheExists() const;
594 // to get visually ordered hebrew and arabic pages right
595 void setVisuallyOrdered();
596 bool visuallyOrdered() const { return m_visuallyOrdered; }
598 DocumentLoader* loader() const;
600 void open(Document* ownerDocument = 0);
603 // close() is the DOM API document.close()
605 // In some situations (see the code), we ignore document.close().
606 // explicitClose() bypass these checks and actually tries to close the
608 void explicitClose();
609 // implicitClose() actually does the work of closing the input stream.
610 void implicitClose();
612 void cancelParsing();
614 void write(const SegmentedString& text, Document* ownerDocument = 0);
615 void write(const String& text, Document* ownerDocument = 0);
616 void writeln(const String& text, Document* ownerDocument = 0);
618 bool wellFormed() const { return m_wellFormed; }
620 const KURL& url() const { return m_url; }
621 void setURL(const KURL&);
623 // To understand how these concepts relate to one another, please see the
624 // comments surrounding their declaration.
625 const KURL& baseURL() const { return m_baseURL; }
626 void setBaseURLOverride(const KURL&);
627 const KURL& baseURLOverride() const { return m_baseURLOverride; }
628 const KURL& baseElementURL() const { return m_baseElementURL; }
629 const String& baseTarget() const { return m_baseTarget; }
630 void processBaseElement();
632 KURL completeURL(const String&) const;
633 KURL completeURL(const String&, const KURL& baseURLOverride) const;
635 virtual String userAgent(const KURL&) const;
637 virtual void disableEval();
639 bool canNavigate(Frame* targetFrame);
640 Frame* findUnsafeParentScrollPropagationBoundary();
642 CSSStyleSheet* pageUserSheet();
643 void clearPageUserSheet();
644 void updatePageUserSheet();
646 const Vector<RefPtr<CSSStyleSheet> >* pageGroupUserSheets() const;
647 void clearPageGroupUserSheets();
648 void updatePageGroupUserSheets();
650 const Vector<RefPtr<CSSStyleSheet> >* documentUserSheets() const { return m_userSheets.get(); }
651 void addUserSheet(PassRefPtr<StyleSheetContents> userSheet);
653 CSSStyleSheet* elementSheet();
655 virtual PassRefPtr<DocumentParser> createParser();
656 DocumentParser* parser() const { return m_parser.get(); }
657 ScriptableDocumentParser* scriptableDocumentParser() const;
659 bool printing() const { return m_printing; }
660 void setPrinting(bool p) { m_printing = p; }
662 bool paginatedForScreen() const { return m_paginatedForScreen; }
663 void setPaginatedForScreen(bool p) { m_paginatedForScreen = p; }
665 bool paginated() const { return printing() || paginatedForScreen(); }
667 enum CompatibilityMode { QuirksMode, LimitedQuirksMode, NoQuirksMode };
669 virtual void setCompatibilityModeFromDoctype() { }
670 void setCompatibilityMode(CompatibilityMode m);
671 void lockCompatibilityMode() { m_compatibilityModeLocked = true; }
672 CompatibilityMode compatibilityMode() const { return m_compatibilityMode; }
674 String compatMode() const;
676 bool inQuirksMode() const { return m_compatibilityMode == QuirksMode; }
677 bool inLimitedQuirksMode() const { return m_compatibilityMode == LimitedQuirksMode; }
678 bool inNoQuirksMode() const { return m_compatibilityMode == NoQuirksMode; }
685 void setReadyState(ReadyState);
686 void setParsing(bool);
687 bool parsing() const { return m_bParsing; }
688 int minimumLayoutDelay();
690 bool shouldScheduleLayout();
691 bool isLayoutTimerActive();
692 int elapsedTime() const;
694 void setTextColor(const Color& color) { m_textColor = color; }
695 Color textColor() const { return m_textColor; }
697 const Color& linkColor() const { return m_linkColor; }
698 const Color& visitedLinkColor() const { return m_visitedLinkColor; }
699 const Color& activeLinkColor() const { return m_activeLinkColor; }
700 void setLinkColor(const Color& c) { m_linkColor = c; }
701 void setVisitedLinkColor(const Color& c) { m_visitedLinkColor = c; }
702 void setActiveLinkColor(const Color& c) { m_activeLinkColor = c; }
703 void resetLinkColor();
704 void resetVisitedLinkColor();
705 void resetActiveLinkColor();
707 MouseEventWithHitTestResults prepareMouseEvent(const HitTestRequest&, const LayoutPoint&, const PlatformMouseEvent&);
709 StyleSheetList* styleSheets();
711 /* Newly proposed CSS3 mechanism for selecting alternate
712 stylesheets using the DOM. May be subject to change as
715 String preferredStylesheetSet() const;
716 String selectedStylesheetSet() const;
717 void setSelectedStylesheetSet(const String&);
719 bool setFocusedNode(PassRefPtr<Node>);
720 Node* focusedNode() const { return m_focusedNode.get(); }
722 void getFocusableNodes(Vector<RefPtr<Node> >&);
724 // The m_ignoreAutofocus flag specifies whether or not the document has been changed by the user enough
725 // for WebCore to ignore the autofocus attribute on any form controls
726 bool ignoreAutofocus() const { return m_ignoreAutofocus; };
727 void setIgnoreAutofocus(bool shouldIgnore = true) { m_ignoreAutofocus = shouldIgnore; };
729 void setHoverNode(PassRefPtr<Node>);
730 Node* hoverNode() const { return m_hoverNode.get(); }
732 void setActiveNode(PassRefPtr<Node>);
733 Node* activeNode() const { return m_activeNode.get(); }
735 void focusedNodeRemoved();
736 void removeFocusedNodeOfSubtree(Node*, bool amongChildrenOnly = false);
737 void hoveredNodeDetached(Node*);
738 void activeChainNodeDetached(Node*);
740 // Updates for :target (CSS3 selector).
741 void setCSSTarget(Element*);
742 Element* cssTarget() const { return m_cssTarget; }
744 void scheduleForcedStyleRecalc();
745 void scheduleStyleRecalc();
746 void unscheduleStyleRecalc();
747 bool isPendingStyleRecalc() const;
748 void styleRecalcTimerFired(Timer<Document>*);
750 void registerNodeListCache(DynamicNodeListCacheBase*);
751 void unregisterNodeListCache(DynamicNodeListCacheBase*);
752 bool shouldInvalidateNodeListCaches(const QualifiedName* attrName = 0) const;
753 void invalidateNodeListCaches(const QualifiedName* attrName);
755 void attachNodeIterator(NodeIterator*);
756 void detachNodeIterator(NodeIterator*);
757 void moveNodeIteratorsToNewDocument(Node*, Document*);
759 void attachRange(Range*);
760 void detachRange(Range*);
762 void updateRangesAfterChildrenChanged(ContainerNode*);
763 // nodeChildrenWillBeRemoved is used when removing all node children at once.
764 void nodeChildrenWillBeRemoved(ContainerNode*);
765 // nodeWillBeRemoved is only safe when removing one node at a time.
766 void nodeWillBeRemoved(Node*);
768 void textInserted(Node*, unsigned offset, unsigned length);
769 void textRemoved(Node*, unsigned offset, unsigned length);
770 void textNodesMerged(Text* oldNode, unsigned offset);
771 void textNodeSplit(Text* oldNode);
773 DOMWindow* defaultView() const { return domWindow(); }
774 DOMWindow* domWindow() const;
776 // Helper functions for forwarding DOMWindow event related tasks to the DOMWindow if it exists.
777 void setWindowAttributeEventListener(const AtomicString& eventType, PassRefPtr<EventListener>);
778 EventListener* getWindowAttributeEventListener(const AtomicString& eventType);
779 void dispatchWindowEvent(PassRefPtr<Event>, PassRefPtr<EventTarget> = 0);
780 void dispatchWindowLoadEvent();
782 PassRefPtr<Event> createEvent(const String& eventType, ExceptionCode&);
784 // keep track of what types of event listeners are registered, so we don't
785 // dispatch events unnecessarily
787 DOMSUBTREEMODIFIED_LISTENER = 0x01,
788 DOMNODEINSERTED_LISTENER = 0x02,
789 DOMNODEREMOVED_LISTENER = 0x04,
790 DOMNODEREMOVEDFROMDOCUMENT_LISTENER = 0x08,
791 DOMNODEINSERTEDINTODOCUMENT_LISTENER = 0x10,
792 DOMATTRMODIFIED_LISTENER = 0x20,
793 DOMCHARACTERDATAMODIFIED_LISTENER = 0x40,
794 OVERFLOWCHANGED_LISTENER = 0x80,
795 ANIMATIONEND_LISTENER = 0x100,
796 ANIMATIONSTART_LISTENER = 0x200,
797 ANIMATIONITERATION_LISTENER = 0x400,
798 TRANSITIONEND_LISTENER = 0x800,
799 BEFORELOAD_LISTENER = 0x1000,
800 TOUCH_LISTENER = 0x2000,
801 SCROLL_LISTENER = 0x4000,
802 REGIONLAYOUTUPDATE_LISTENER = 0x8000
805 bool hasListenerType(ListenerType listenerType) const { return (m_listenerTypes & listenerType); }
806 void addListenerType(ListenerType listenerType) { m_listenerTypes = m_listenerTypes | listenerType; }
807 void addListenerTypeIfNeeded(const AtomicString& eventType);
809 #if ENABLE(TIZEN_PLUGIN_TOUCH_EVENT)
810 void removeListenerType(const AtomicString& eventType);
813 #if ENABLE(MUTATION_OBSERVERS)
814 bool hasMutationObserversOfType(MutationObserver::MutationType type) const
816 return m_mutationObserverTypes & type;
818 bool hasMutationObservers() const { return m_mutationObserverTypes; }
819 void addMutationObserverTypes(MutationObserverOptions types) { m_mutationObserverTypes |= types; }
822 CSSStyleDeclaration* getOverrideStyle(Element*, const String& pseudoElt);
824 int nodeAbsIndex(Node*);
825 Node* nodeWithAbsIndex(int absIndex);
828 * Handles a HTTP header equivalent set by a meta tag using <meta http-equiv="..." content="...">. This is called
829 * when a meta tag is encountered during document parsing, and also when a script dynamically changes or adds a meta
830 * tag. This enables scripts to use meta tags to perform refreshes and set expiry dates in addition to them being
831 * specified in a HTML file.
833 * @param equiv The http header name (value of the meta tag's "equiv" attribute)
834 * @param content The header value (value of the meta tag's "content" attribute)
836 void processHttpEquiv(const String& equiv, const String& content);
837 void processViewport(const String& features, ViewportArguments::Type origin);
838 void updateViewportArguments();
839 void processReferrerPolicy(const String& policy);
841 // Returns the owning element in the parent document.
842 // Returns 0 if this is the top level document.
843 HTMLFrameOwnerElement* ownerElement() const;
845 HTMLIFrameElement* seamlessParentIFrame() const;
846 bool shouldDisplaySeamlesslyWithParent() const;
848 // Used by DOM bindings; no direction known.
849 String title() const { return m_title.string(); }
850 void setTitle(const String&);
852 void setTitleElement(const StringWithDirection&, Element* titleElement);
853 void removeTitle(Element* titleElement);
855 String cookie(ExceptionCode&) const;
856 void setCookie(const String&, ExceptionCode&);
858 String referrer() const;
860 String domain() const;
861 void setDomain(const String& newDomain, ExceptionCode&);
863 String lastModified() const;
865 // The cookieURL is used to query the cookie database for this document's
866 // cookies. For example, if the cookie URL is http://example.com, we'll
867 // use the non-Secure cookies for example.com when computing
870 // Q: How is the cookieURL different from the document's URL?
871 // A: The two URLs are the same almost all the time. However, if one
872 // document inherits the security context of another document, it
873 // inherits its cookieURL but not its URL.
875 const KURL& cookieURL() const { return m_cookieURL; }
876 void setCookieURL(const KURL& url) { m_cookieURL = url; }
878 // The firstPartyForCookies is used to compute whether this document
879 // appears in a "third-party" context for the purpose of third-party
880 // cookie blocking. The document is in a third-party context if the
881 // cookieURL and the firstPartyForCookies are from different hosts.
883 // Note: Some ports (including possibly Apple's) only consider the
884 // document in a third-party context if the cookieURL and the
885 // firstPartyForCookies have a different registry-controlled
888 const KURL& firstPartyForCookies() const { return m_firstPartyForCookies; }
889 void setFirstPartyForCookies(const KURL& url) { m_firstPartyForCookies = url; }
891 // The following implements the rule from HTML 4 for what valid names are.
892 // To get this right for all the XML cases, we probably have to improve this or move it
893 // and make it sensitive to the type of document.
894 static bool isValidName(const String&);
896 // The following breaks a qualified name into a prefix and a local name.
897 // It also does a validity check, and returns false if the qualified name
898 // is invalid. It also sets ExceptionCode when name is invalid.
899 static bool parseQualifiedName(const String& qualifiedName, String& prefix, String& localName, ExceptionCode&);
901 // Checks to make sure prefix and namespace do not conflict (per DOM Core 3)
902 static bool hasValidNamespaceForElements(const QualifiedName&);
903 static bool hasValidNamespaceForAttributes(const QualifiedName&);
905 HTMLElement* body() const;
906 void setBody(PassRefPtr<HTMLElement>, ExceptionCode&);
908 HTMLHeadElement* head();
910 DocumentMarkerController* markers() const { return m_markers.get(); }
912 bool directionSetOnDocumentElement() const { return m_directionSetOnDocumentElement; }
913 bool writingModeSetOnDocumentElement() const { return m_writingModeSetOnDocumentElement; }
914 void setDirectionSetOnDocumentElement(bool b) { m_directionSetOnDocumentElement = b; }
915 void setWritingModeSetOnDocumentElement(bool b) { m_writingModeSetOnDocumentElement = b; }
917 bool execCommand(const String& command, bool userInterface = false, const String& value = String());
918 bool queryCommandEnabled(const String& command);
919 bool queryCommandIndeterm(const String& command);
920 bool queryCommandState(const String& command);
921 bool queryCommandSupported(const String& command);
922 String queryCommandValue(const String& command);
924 KURL openSearchDescriptionURL();
926 // designMode support
927 enum InheritedBool { off = false, on = true, inherit };
928 void setDesignMode(InheritedBool value);
929 InheritedBool getDesignMode() const;
930 bool inDesignMode() const;
932 Document* parentDocument() const;
933 Document* topDocument() const;
935 int docID() const { return m_docID; }
937 ScriptRunner* scriptRunner() { return m_scriptRunner.get(); }
940 void applyXSLTransform(ProcessingInstruction* pi);
941 PassRefPtr<Document> transformSourceDocument() { return m_transformSourceDocument; }
942 void setTransformSourceDocument(Document* doc) { m_transformSourceDocument = doc; }
944 void setTransformSource(PassOwnPtr<TransformSource>);
945 TransformSource* transformSource() const { return m_transformSource.get(); }
948 void incDOMTreeVersion() { m_domTreeVersion = ++s_globalTreeVersion; }
949 uint64_t domTreeVersion() const { return m_domTreeVersion; }
951 void setDocType(PassRefPtr<DocumentType>);
953 // XPathEvaluator methods
954 PassRefPtr<XPathExpression> createExpression(const String& expression,
955 XPathNSResolver* resolver,
957 PassRefPtr<XPathNSResolver> createNSResolver(Node *nodeResolver);
958 PassRefPtr<XPathResult> evaluate(const String& expression,
960 XPathNSResolver* resolver,
965 enum PendingSheetLayout { NoLayoutWithPendingSheets, DidLayoutWithPendingSheets, IgnoreLayoutWithPendingSheets };
967 bool didLayoutWithPendingStylesheets() const { return m_pendingSheetLayout == DidLayoutWithPendingSheets; }
969 void setHasNodesWithPlaceholderStyle() { m_hasNodesWithPlaceholderStyle = true; }
971 const Vector<IconURL>& iconURLs();
972 void addIconURL(const String& url, const String& mimeType, const String& size, IconType);
974 void setUseSecureKeyboardEntryWhenActive(bool);
975 bool useSecureKeyboardEntryWhenActive() const;
977 void updateFocusAppearanceSoon(bool restorePreviousSelection);
978 void cancelFocusAppearanceUpdate();
980 // Extension for manipulating canvas drawing contexts for use in CSS
981 CanvasRenderingContext* getCSSCanvasContext(const String& type, const String& name, int width, int height);
982 HTMLCanvasElement* getCSSCanvasElement(const String& name);
984 bool isDNSPrefetchEnabled() const { return m_isDNSPrefetchEnabled; }
985 void parseDNSPrefetchControlHeader(const String&);
987 virtual void postTask(PassOwnPtr<Task>); // Executes the task on context's thread asynchronously.
989 virtual void suspendScriptedAnimationControllerCallbacks();
990 virtual void resumeScriptedAnimationControllerCallbacks();
992 void windowScreenDidChange(PlatformDisplayID);
994 virtual void finishedParsing();
996 bool inPageCache() const { return m_inPageCache; }
997 void setInPageCache(bool flag);
999 // Elements can register themselves for the "documentWillSuspendForPageCache()" and
1000 // "documentDidResumeFromPageCache()" callbacks
1001 void registerForPageCacheSuspensionCallbacks(Element*);
1002 void unregisterForPageCacheSuspensionCallbacks(Element*);
1004 void documentWillBecomeInactive();
1005 void documentWillSuspendForPageCache();
1006 void documentDidResumeFromPageCache();
1008 void registerForMediaVolumeCallbacks(Element*);
1009 void unregisterForMediaVolumeCallbacks(Element*);
1010 void mediaVolumeDidChange();
1012 void registerForPrivateBrowsingStateChangedCallbacks(Element*);
1013 void unregisterForPrivateBrowsingStateChangedCallbacks(Element*);
1014 void privateBrowsingStateDidChange();
1016 void setShouldCreateRenderers(bool);
1017 bool shouldCreateRenderers();
1019 void setDecoder(PassRefPtr<TextResourceDecoder>);
1020 TextResourceDecoder* decoder() const { return m_decoder.get(); }
1022 String displayStringModifiedByEncoding(const String&) const;
1023 PassRefPtr<StringImpl> displayStringModifiedByEncoding(PassRefPtr<StringImpl>) const;
1024 void displayBufferModifiedByEncoding(UChar* buffer, unsigned len) const;
1026 // Quirk for the benefit of Apple's Dictionary application.
1027 void setFrameElementsShouldIgnoreScrolling(bool ignore) { m_frameElementsShouldIgnoreScrolling = ignore; }
1028 bool frameElementsShouldIgnoreScrolling() const { return m_frameElementsShouldIgnoreScrolling; }
1030 #if ENABLE(DASHBOARD_SUPPORT)
1031 void setDashboardRegionsDirty(bool f) { m_dashboardRegionsDirty = f; }
1032 bool dashboardRegionsDirty() const { return m_dashboardRegionsDirty; }
1033 bool hasDashboardRegions () const { return m_hasDashboardRegions; }
1034 void setHasDashboardRegions(bool f) { m_hasDashboardRegions = f; }
1035 const Vector<DashboardRegionValue>& dashboardRegions() const;
1036 void setDashboardRegions(const Vector<DashboardRegionValue>&);
1039 virtual void removeAllEventListeners();
1042 const SVGDocumentExtensions* svgExtensions();
1043 SVGDocumentExtensions* accessSVGExtensions();
1046 void initSecurityContext();
1047 void initContentSecurityPolicy();
1048 #if ENABLE(TIZEN_CSP)
1049 void copyContentSecurityPolicy(Document*);
1052 void updateURLForPushOrReplaceState(const KURL&);
1053 void statePopped(PassRefPtr<SerializedScriptValue>);
1055 bool processingLoadEvent() const { return m_processingLoadEvent; }
1056 bool loadEventFinished() const { return m_loadEventFinished; }
1058 virtual bool isContextThread() const;
1059 virtual bool isJSExecutionForbidden() const { return false; }
1061 bool containsValidityStyleRules() const { return m_containsValidityStyleRules; }
1062 void setContainsValidityStyleRules() { m_containsValidityStyleRules = true; }
1064 void enqueueWindowEvent(PassRefPtr<Event>);
1065 void enqueueDocumentEvent(PassRefPtr<Event>);
1066 void enqueuePageshowEvent(PageshowEventPersistence);
1067 void enqueueHashchangeEvent(const String& oldURL, const String& newURL);
1068 void enqueuePopstateEvent(PassRefPtr<SerializedScriptValue> stateObject);
1069 virtual DocumentEventQueue* eventQueue() const { return m_eventQueue.get(); }
1071 void addMediaCanStartListener(MediaCanStartListener*);
1072 void removeMediaCanStartListener(MediaCanStartListener*);
1073 MediaCanStartListener* takeAnyMediaCanStartListener();
1075 const QualifiedName& idAttributeName() const { return m_idAttributeName; }
1077 #if ENABLE(FULLSCREEN_API)
1078 bool webkitIsFullScreen() const { return m_fullScreenElement.get(); }
1079 bool webkitFullScreenKeyboardInputAllowed() const { return m_fullScreenElement.get() && m_areKeysEnabledInFullScreen; }
1080 Element* webkitCurrentFullScreenElement() const { return m_fullScreenElement.get(); }
1082 enum FullScreenCheckType {
1083 EnforceIFrameAllowFullScreenRequirement,
1084 ExemptIFrameAllowFullScreenRequirement,
1087 void requestFullScreenForElement(Element*, unsigned short flags, FullScreenCheckType);
1088 void webkitCancelFullScreen();
1090 void webkitWillEnterFullScreenForElement(Element*);
1091 void webkitDidEnterFullScreenForElement(Element*);
1092 void webkitWillExitFullScreenForElement(Element*);
1093 void webkitDidExitFullScreenForElement(Element*);
1095 void setFullScreenRenderer(RenderFullScreen*);
1096 RenderFullScreen* fullScreenRenderer() const { return m_fullScreenRenderer; }
1097 void fullScreenRendererDestroyed();
1099 void setFullScreenRendererSize(const IntSize&);
1100 void setFullScreenRendererBackgroundColor(Color);
1102 void fullScreenChangeDelayTimerFired(Timer<Document>*);
1103 bool fullScreenIsAllowedForElement(Element*) const;
1104 void fullScreenElementRemoved();
1105 void removeFullScreenElementOfSubtree(Node*, bool amongChildrenOnly = false);
1106 bool isAnimatingFullScreen() const;
1107 void setAnimatingFullScreen(bool);
1110 bool webkitFullscreenEnabled() const;
1111 Element* webkitFullscreenElement() const { return !m_fullScreenElementStack.isEmpty() ? m_fullScreenElementStack.first().get() : 0; }
1112 void webkitExitFullscreen();
1115 #if ENABLE(POINTER_LOCK)
1116 void webkitExitPointerLock();
1117 Element* webkitPointerLockElement() const;
1120 // Used to allow element that loads data without going through a FrameLoader to delay the 'load' event.
1121 void incrementLoadEventDelayCount() { ++m_loadEventDelayCount; }
1122 void decrementLoadEventDelayCount();
1123 bool isDelayingLoadEvent() const { return m_loadEventDelayCount; }
1125 #if ENABLE(TOUCH_EVENTS)
1126 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;
1129 const DocumentTiming* timing() const { return &m_documentTiming; }
1131 #if ENABLE(REQUEST_ANIMATION_FRAME)
1132 int webkitRequestAnimationFrame(PassRefPtr<RequestAnimationFrameCallback>);
1133 void webkitCancelAnimationFrame(int id);
1134 void serviceScriptedAnimations(DOMTimeStamp);
1137 virtual EventTarget* errorEventTarget();
1138 virtual void logExceptionToConsole(const String& errorMessage, const String& sourceURL, int lineNumber, PassRefPtr<ScriptCallStack>);
1140 void initDNSPrefetch();
1142 unsigned wheelEventHandlerCount() const { return m_wheelEventHandlerCount; }
1143 void didAddWheelEventHandler();
1144 void didRemoveWheelEventHandler();
1146 #if ENABLE(TOUCH_EVENTS)
1147 unsigned touchEventHandlerCount() const { return m_touchEventHandlerCount; }
1149 unsigned touchEventHandlerCount() const { return 0; }
1152 void didAddTouchEventHandler();
1153 void didRemoveTouchEventHandler();
1155 bool visualUpdatesAllowed() const { return m_visualUpdatesAllowed; }
1157 #if ENABLE(MICRODATA)
1158 PassRefPtr<NodeList> getItems(const String& typeNames);
1161 #if ENABLE(UNDO_MANAGER)
1162 PassRefPtr<UndoManager> undoManager();
1165 bool isInDocumentWrite() { return m_writeRecursionDepth > 0; }
1167 void suspendScheduledTasks(ActiveDOMObject::ReasonForSuspension);
1168 void resumeScheduledTasks();
1170 IntSize viewportSize() const;
1172 #if ENABLE(LINK_PRERENDER)
1173 Prerenderer* prerenderer() { return m_prerenderer.get(); }
1176 #if ENABLE(TEXT_AUTOSIZING)
1177 TextAutosizer* textAutosizer() { return m_textAutosizer.get(); }
1180 void adjustFloatQuadsForScrollAndAbsoluteZoomAndFrameScale(Vector<FloatQuad>&, RenderObject*);
1181 void adjustFloatRectForScrollAndAbsoluteZoomAndFrameScale(FloatRect&, RenderObject*);
1183 void setContextFeatures(PassRefPtr<ContextFeatures>);
1184 ContextFeatures* contextFeatures() { return m_contextFeatures.get(); }
1186 virtual void reportMemoryUsage(MemoryObjectInfo*) const OVERRIDE;
1189 Document(Frame*, const KURL&, bool isXHTML, bool isHTML);
1191 virtual void didUpdateSecurityOrigin() OVERRIDE;
1193 void clearXMLVersion() { m_xmlVersion = String(); }
1197 friend class IgnoreDestructiveWriteCountIncrementer;
1199 void removedLastRef();
1201 void detachParser();
1203 typedef void (*ArgumentsCallback)(const String& keyString, const String& valueString, Document*, void* data);
1204 void processArguments(const String& features, void* data, ArgumentsCallback);
1206 virtual bool isDocument() const { return true; }
1208 virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
1210 virtual String nodeName() const;
1211 virtual NodeType nodeType() const;
1212 virtual bool childTypeAllowed(NodeType) const;
1213 virtual PassRefPtr<Node> cloneNode(bool deep);
1214 virtual bool canReplaceChild(Node* newChild, Node* oldChild);
1216 virtual void refScriptExecutionContext() { ref(); }
1217 virtual void derefScriptExecutionContext() { deref(); }
1219 virtual const KURL& virtualURL() const; // Same as url(), but needed for ScriptExecutionContext to implement it without a performance loss for direct calls.
1220 virtual KURL virtualCompleteURL(const String&) const; // Same as completeURL() for the same reason as above.
1222 virtual void addMessage(MessageSource, MessageType, MessageLevel, const String& message, const String& sourceURL, unsigned lineNumber, PassRefPtr<ScriptCallStack>);
1224 virtual double minimumTimerInterval() const;
1226 void updateTitle(const StringWithDirection&);
1227 void updateFocusAppearanceTimerFired(Timer<Document>*);
1228 void updateBaseURL();
1230 void buildAccessKeyMap(TreeScope* root);
1232 void createStyleResolver();
1233 void clearStyleResolver();
1234 void combineCSSFeatureFlags();
1235 void resetCSSFeatureFlags();
1237 bool updateActiveStylesheets(StyleResolverUpdateFlag);
1238 void collectActiveStylesheets(Vector<RefPtr<StyleSheet> >&);
1239 bool testAddedStylesheetRequiresStyleRecalc(StyleSheetContents*);
1240 void analyzeStylesheetChange(StyleResolverUpdateFlag, const Vector<RefPtr<StyleSheet> >& newStylesheets, bool& requiresStyleResolverReset, bool& requiresFullStyleRecalc);
1242 void seamlessParentUpdatedStylesheets();
1243 void notifySeamlessChildDocumentsOfStylesheetUpdate() const;
1245 void deleteCustomFonts();
1247 PassRefPtr<NodeList> handleZeroPadding(const HitTestRequest&, HitTestResult&) const;
1249 void loadEventDelayTimerFired(Timer<Document>*);
1251 void pendingTasksTimerFired(Timer<Document>*);
1253 static void didReceiveTask(void*);
1255 #if ENABLE(PAGE_VISIBILITY_API)
1256 PageVisibilityState visibilityState() const;
1259 PassRefPtr<HTMLCollection> cachedCollection(CollectionType);
1261 #if ENABLE(FULLSCREEN_API)
1262 void clearFullscreenElementStack();
1263 void popFullscreenElementStack();
1264 void pushFullscreenElementStack(Element*);
1265 void addDocumentToFullScreenChangeEventQueue(Document*);
1268 void setVisualUpdatesAllowed(ReadyState);
1269 void setVisualUpdatesAllowed(bool);
1270 void visualUpdatesSuppressionTimerFired(Timer<Document>*);
1272 int m_guardRefCount;
1274 OwnPtr<StyleResolver> m_styleResolver;
1275 bool m_didCalculateStyleResolver;
1276 bool m_hasDirtyStyleResolver;
1277 Vector<OwnPtr<FontData> > m_customFonts;
1280 OwnPtr<CachedResourceLoader> m_cachedResourceLoader;
1281 RefPtr<DocumentParser> m_parser;
1282 RefPtr<ContextFeatures> m_contextFeatures;
1287 KURL m_url; // Document.URL: The URL from which this document was retrieved.
1288 KURL m_baseURL; // Node.baseURI: The URL to use when resolving relative URLs.
1289 KURL m_baseURLOverride; // An alternative base URL that takes precedence over m_baseURL (but not m_baseElementURL).
1290 KURL m_baseElementURL; // The URL set by the <base> element.
1291 KURL m_cookieURL; // The URL to use for cookie access.
1292 KURL m_firstPartyForCookies; // The policy URL for third-party cookie blocking.
1294 // Document.documentURI:
1295 // Although URL-like, Document.documentURI can actually be set to any
1296 // string by content. Document.documentURI affects m_baseURL unless the
1297 // document contains a <base> element, in which case the <base> element
1298 // takes precedence.
1300 // This property is read-only from JavaScript, but writable from Objective C.
1301 String m_documentURI;
1303 String m_baseTarget;
1305 RefPtr<DocumentType> m_docType;
1306 OwnPtr<DOMImplementation> m_implementation;
1308 // Track the number of currently loading top-level stylesheets needed for rendering.
1309 // Sheets loaded using the @import directive are not included in this count.
1310 // We use this count of pending sheets to detect when we can begin attaching
1311 // elements and when it is safe to execute scripts.
1312 int m_pendingStylesheets;
1314 // But sometimes you need to ignore pending stylesheet count to
1315 // force an immediate layout when requested by JS.
1316 bool m_ignorePendingStylesheets;
1318 // If we do ignore the pending stylesheet count, then we need to add a boolean
1319 // to track that this happened so that we can do a full repaint when the stylesheets
1320 // do eventually load.
1321 PendingSheetLayout m_pendingSheetLayout;
1323 bool m_hasNodesWithPlaceholderStyle;
1325 RefPtr<CSSStyleSheet> m_elemSheet;
1326 RefPtr<CSSStyleSheet> m_pageUserSheet;
1327 mutable OwnPtr<Vector<RefPtr<CSSStyleSheet> > > m_pageGroupUserSheets;
1328 OwnPtr<Vector<RefPtr<CSSStyleSheet> > > m_userSheets;
1329 mutable bool m_pageGroupUserSheetCacheValid;
1332 bool m_paginatedForScreen;
1334 bool m_ignoreAutofocus;
1336 CompatibilityMode m_compatibilityMode;
1337 bool m_compatibilityModeLocked; // This is cheaper than making setCompatibilityMode virtual.
1341 RefPtr<Node> m_focusedNode;
1342 RefPtr<Node> m_hoverNode;
1343 RefPtr<Node> m_activeNode;
1344 RefPtr<Element> m_documentElement;
1346 uint64_t m_domTreeVersion;
1347 static uint64_t s_globalTreeVersion;
1349 HashSet<NodeIterator*> m_nodeIterators;
1350 HashSet<Range*> m_ranges;
1352 unsigned short m_listenerTypes;
1354 #if ENABLE(MUTATION_OBSERVERS)
1355 MutationObserverOptions m_mutationObserverTypes;
1358 RefPtr<StyleSheetList> m_styleSheets; // All of the stylesheets that are currently in effect for our media type and stylesheet set.
1359 bool m_hadActiveLoadingStylesheet;
1361 typedef ListHashSet<Node*, 32> StyleSheetCandidateListHashSet;
1362 StyleSheetCandidateListHashSet m_styleSheetCandidateNodes; // All of the nodes that could potentially provide stylesheets to the document (<link>, <style>, <?xml-stylesheet>)
1364 OwnPtr<FormController> m_formController;
1367 Color m_visitedLinkColor;
1368 Color m_activeLinkColor;
1370 String m_preferredStylesheetSet;
1371 String m_selectedStylesheetSet;
1373 bool m_loadingSheet;
1374 bool m_visuallyOrdered;
1375 ReadyState m_readyState;
1378 Timer<Document> m_styleRecalcTimer;
1379 bool m_pendingStyleRecalcShouldForce;
1380 bool m_inStyleRecalc;
1381 bool m_closeAfterStyleRecalc;
1383 bool m_usesSiblingRules;
1384 bool m_usesSiblingRulesOverride;
1385 bool m_usesFirstLineRules;
1386 bool m_usesFirstLetterRules;
1387 bool m_usesBeforeAfterRules;
1388 bool m_usesBeforeAfterRulesOverride;
1389 bool m_usesRemUnits;
1390 bool m_usesLinkRules;
1391 bool m_gotoAnchorNeededAfterStylesheetsLoad;
1392 bool m_isDNSPrefetchEnabled;
1393 bool m_haveExplicitlyDisabledDNSPrefetch;
1394 bool m_frameElementsShouldIgnoreScrolling;
1395 bool m_containsValidityStyleRules;
1396 bool m_updateFocusAppearanceRestoresSelection;
1398 // http://www.whatwg.org/specs/web-apps/current-work/#ignore-destructive-writes-counter
1399 unsigned m_ignoreDestructiveWriteCount;
1401 StringWithDirection m_title;
1402 StringWithDirection m_rawTitle;
1403 bool m_titleSetExplicitly;
1404 RefPtr<Element> m_titleElement;
1406 OwnPtr<RenderArena> m_renderArena;
1408 mutable AXObjectCache* m_axObjectCache;
1409 OwnPtr<DocumentMarkerController> m_markers;
1411 Timer<Document> m_updateFocusAppearanceTimer;
1413 Element* m_cssTarget;
1415 // FIXME: Merge these 2 variables into an enum. Also, FrameLoader::m_didCallImplicitClose
1416 // is almost a duplication of this data, so that should probably get merged in too.
1417 // FIXME: Document::m_processingLoadEvent and DocumentLoader::m_wasOnloadHandled are roughly the same
1418 // and should be merged.
1419 bool m_processingLoadEvent;
1420 bool m_loadEventFinished;
1422 RefPtr<SerializedScriptValue> m_pendingStateObject;
1424 bool m_overMinimumLayoutThreshold;
1426 OwnPtr<ScriptRunner> m_scriptRunner;
1429 OwnPtr<TransformSource> m_transformSource;
1430 RefPtr<Document> m_transformSourceDocument;
1433 int m_docID; // A unique document identifier used for things like document-specific mapped attributes.
1435 String m_xmlEncoding;
1436 String m_xmlVersion;
1437 unsigned m_xmlStandalone : 2;
1438 unsigned m_hasXMLDeclaration : 1;
1440 String m_contentLanguage;
1442 RenderObject* m_savedRenderer;
1444 RefPtr<TextResourceDecoder> m_decoder;
1446 InheritedBool m_designMode;
1448 HashSet<DynamicNodeListCacheBase*> m_listsInvalidatedAtDocument;
1449 unsigned m_nodeListCounts[numNodeListInvalidationTypes];
1451 HTMLCollection* m_collections[NumUnnamedDocumentCachedTypes];
1452 typedef HashMap<AtomicString, HTMLNameCollection*> NamedCollectionMap;
1453 NamedCollectionMap m_documentNamedItemCollections;
1454 NamedCollectionMap m_windowNamedItemCollections;
1456 RefPtr<XPathEvaluator> m_xpathEvaluator;
1459 OwnPtr<SVGDocumentExtensions> m_svgExtensions;
1462 #if ENABLE(DASHBOARD_SUPPORT)
1463 Vector<DashboardRegionValue> m_dashboardRegions;
1464 bool m_hasDashboardRegions;
1465 bool m_dashboardRegionsDirty;
1468 HashMap<String, RefPtr<HTMLCanvasElement> > m_cssCanvasElements;
1470 bool m_createRenderers;
1472 Vector<IconURL> m_iconURLs;
1474 HashSet<Element*> m_documentSuspensionCallbackElements;
1475 HashSet<Element*> m_mediaVolumeCallbackElements;
1476 HashSet<Element*> m_privateBrowsingStateChangedElements;
1478 HashMap<StringImpl*, Element*, CaseFoldingHash> m_elementsByAccessKey;
1479 bool m_accessKeyMapValid;
1481 OwnPtr<SelectorQueryCache> m_selectorQueryCache;
1483 bool m_useSecureKeyboardEntryWhenActive;
1488 bool m_isViewSource;
1489 bool m_sawElementsInKnownNamespaces;
1490 bool m_isSrcdocDocument;
1492 NodeRareData* m_documentRareData;
1494 RefPtr<DocumentEventQueue> m_eventQueue;
1496 RefPtr<DocumentWeakReference> m_weakReference;
1498 HashSet<MediaCanStartListener*> m_mediaCanStartListeners;
1500 QualifiedName m_idAttributeName;
1502 #if ENABLE(FULLSCREEN_API)
1503 bool m_areKeysEnabledInFullScreen;
1504 RefPtr<Element> m_fullScreenElement;
1505 Deque<RefPtr<Element> > m_fullScreenElementStack;
1506 RenderFullScreen* m_fullScreenRenderer;
1507 Timer<Document> m_fullScreenChangeDelayTimer;
1508 Deque<RefPtr<Node> > m_fullScreenChangeEventTargetQueue;
1509 Deque<RefPtr<Node> > m_fullScreenErrorEventTargetQueue;
1510 bool m_isAnimatingFullScreen;
1511 LayoutRect m_savedPlaceholderFrameRect;
1512 RefPtr<RenderStyle> m_savedPlaceholderRenderStyle;
1515 int m_loadEventDelayCount;
1516 Timer<Document> m_loadEventDelayTimer;
1518 ViewportArguments m_viewportArguments;
1520 ReferrerPolicy m_referrerPolicy;
1522 bool m_directionSetOnDocumentElement;
1523 bool m_writingModeSetOnDocumentElement;
1525 DocumentTiming m_documentTiming;
1526 RefPtr<MediaQueryMatcher> m_mediaQueryMatcher;
1527 bool m_writeRecursionIsTooDeep;
1528 unsigned m_writeRecursionDepth;
1530 unsigned m_wheelEventHandlerCount;
1531 #if ENABLE(TOUCH_EVENTS)
1532 unsigned m_touchEventHandlerCount;
1535 #if ENABLE(UNDO_MANAGER)
1536 RefPtr<UndoManager> m_undoManager;
1539 #if ENABLE(REQUEST_ANIMATION_FRAME)
1540 RefPtr<ScriptedAnimationController> m_scriptedAnimationController;
1543 Timer<Document> m_pendingTasksTimer;
1544 Vector<OwnPtr<Task> > m_pendingTasks;
1546 #if ENABLE(LINK_PRERENDER)
1547 OwnPtr<Prerenderer> m_prerenderer;
1550 #if ENABLE(TEXT_AUTOSIZING)
1551 OwnPtr<TextAutosizer> m_textAutosizer;
1554 bool m_scheduledTasksAreSuspended;
1556 bool m_visualUpdatesAllowed;
1557 Timer<Document> m_visualUpdatesSuppressionTimer;
1559 RefPtr<WebKitNamedFlowCollection> m_namedFlows;
1561 #if ENABLE(CSP_NEXT)
1562 RefPtr<DOMSecurityPolicy> m_domSecurityPolicy;
1566 bool m_didDispatchViewportPropertiesChanged;
1568 #if ENABLE(TIZEN_GSTREAMER_AUDIO)
1569 int m_activeMediaObjectCount;
1573 // Put these methods here, because they require the Document definition, but we really want to inline them.
1575 inline bool Node::isDocumentNode() const
1577 return this == m_document;
1580 inline Node::Node(Document* document, ConstructionType type)
1582 , m_document(document)
1586 #if ENABLE(TIZEN_ELEMENT_CREATED_BY_PARSER_INFO_STORE)
1587 , m_createdByParser(true)
1591 document->guardRef();
1592 #if !defined(NDEBUG) || (defined(DUMP_NODE_STATISTICS) && DUMP_NODE_STATISTICS)
1593 trackForDebugging();
1595 InspectorCounters::incrementCounter(InspectorCounters::NodeCounter);
1598 Node* eventTargetNodeForDocument(Document*);
1600 } // namespace WebCore
1602 #endif // Document_h