1 /*
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.
10 *
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.
15 *
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.
20 *
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.
25 *
26 */
27
28 #ifndef Document_h
29 #define Document_h
30
31 #include "bindings/v8/ExceptionStatePlaceholder.h"
32 #include "bindings/v8/ScriptValue.h"
33 #include "core/animation/AnimationClock.h"
34 #include "core/animation/CompositorPendingAnimations.h"
35 #include "core/dom/ContainerNode.h"
36 #include "core/dom/DocumentEncodingData.h"
37 #include "core/dom/DocumentInit.h"
38 #include "core/dom/DocumentLifecycle.h"
39 #include "core/dom/DocumentSupplementable.h"
40 #include "core/dom/DocumentTiming.h"
41 #include "core/dom/ExecutionContext.h"
42 #include "core/dom/IconURL.h"
43 #include "core/dom/MutationObserver.h"
44 #include "core/dom/QualifiedName.h"
45 #include "core/dom/TextLinkColors.h"
46 #include "core/dom/TreeScope.h"
47 #include "core/dom/UserActionElementSet.h"
48 #include "core/dom/ViewportDescription.h"
49 #include "core/dom/custom/CustomElement.h"
50 #include "core/html/CollectionType.h"
51 #include "core/page/FocusType.h"
52 #include "core/page/PageVisibilityState.h"
53 #include "core/rendering/HitTestRequest.h"
54 #include "platform/Length.h"
55 #include "platform/Timer.h"
56 #include "platform/heap/Handle.h"
57 #include "platform/weborigin/KURL.h"
58 #include "platform/weborigin/ReferrerPolicy.h"
59 #include "wtf/HashSet.h"
60 #include "wtf/OwnPtr.h"
61 #include "wtf/PassOwnPtr.h"
62 #include "wtf/PassRefPtr.h"
63 #include "wtf/WeakPtr.h"
64
65 namespace WebCore {
66
67 class AXObjectCache;
68 class Attr;
69 class CDATASection;
70 class CSSFontSelector;
71 class CSSStyleDeclaration;
72 class CSSStyleSheet;
73 class CSSStyleSheetResource;
74 class CanvasRenderingContext2D;
75 class CharacterData;
76 class Chrome;
77 class Comment;
78 class ContentSecurityPolicyResponseHeaders;
79 class ContextFeatures;
80 class CustomElementRegistrationContext;
81 class DOMImplementation;
82 class DOMSelection;
83 class LocalDOMWindow;
84 class Database;
85 class DatabaseThread;
86 class DocumentFragment;
87 class DocumentLifecycleNotifier;
88 class DocumentLifecycleObserver;
89 class DocumentLoader;
90 class DocumentMarkerController;
91 class DocumentParser;
92 class DocumentState;
93 class AnimationTimeline;
94 class DocumentType;
95 class Element;
96 class ElementDataCache;
97 class Event;
98 class EventFactoryBase;
99 class EventListener;
100 class ExceptionState;
101 class FastTextAutosizer;
102 class FloatQuad;
103 class FloatRect;
104 class FontFaceSet;
105 class FormController;
106 class Frame;
107 class FrameHost;
108 class FrameView;
109 class HTMLAllCollection;
110 class HTMLCanvasElement;
111 class HTMLCollection;
112 class HTMLDialogElement;
113 class HTMLDocument;
114 class HTMLElement;
115 class HTMLFrameOwnerElement;
116 class HTMLHeadElement;
117 class HTMLIFrameElement;
118 class HTMLImport;
119 class HTMLImportLoader;
120 class HTMLImportsController;
121 class HTMLLinkElement;
122 class HTMLMapElement;
123 class HTMLNameCollection;
124 class HTMLScriptElement;
125 class HitTestRequest;
126 class HitTestResult;
127 class IntPoint;
128 class JSNode;
129 class LayoutPoint;
130 class LayoutRect;
131 class LiveNodeListBase;
132 class Locale;
133 class LocalFrame;
134 class Location;
135 class MainThreadTaskRunner;
136 class MediaQueryList;
137 class MediaQueryMatcher;
138 class MouseEventWithHitTestResults;
139 class NodeFilter;
140 class NodeIterator;
141 class Page;
142 class PlatformMouseEvent;
143 class ProcessingInstruction;
144 class Range;
145 class RegisteredEventListener;
146 class RenderView;
147 class RequestAnimationFrameCallback;
148 class ResourceFetcher;
149 class SVGDocumentExtensions;
150 class SVGUseElement;
151 class ScriptElementData;
152 class ScriptResource;
153 class ScriptRunner;
154 class ScriptableDocumentParser;
155 class ScriptedAnimationController;
156 class SecurityOrigin;
157 class SegmentedString;
158 class SelectorQueryCache;
159 class SerializedScriptValue;
160 class Settings;
161 class StyleEngine;
162 class StyleResolver;
163 class StyleSheet;
164 class StyleSheetContents;
165 class StyleSheetList;
166 class Text;
167 class TextAutosizer;
168 class Touch;
169 class TouchList;
170 class TransformSource;
171 class TreeWalker;
172 class VisitedLinkState;
173 class WebGLRenderingContext;
174 class XMLHttpRequest;
175
176 struct AnnotatedRegionValue;
177
178 typedef int ExceptionCode;
179
180 enum StyleResolverUpdateMode {
181 // Discards the StyleResolver and rebuilds it.
182 FullStyleUpdate,
183 // Attempts to use StyleInvalidationAnalysis to avoid discarding the entire StyleResolver.
184 AnalyzedStyleUpdate
185 };
186
187 enum NodeListInvalidationType {
188 DoNotInvalidateOnAttributeChanges = 0,
189 InvalidateOnClassAttrChange,
190 InvalidateOnIdNameAttrChange,
191 InvalidateOnNameAttrChange,
192 InvalidateOnForAttrChange,
193 InvalidateForFormControls,
194 InvalidateOnHRefAttrChange,
195 InvalidateOnAnyAttrChange,
196 };
197 const int numNodeListInvalidationTypes = InvalidateOnAnyAttrChange + 1;
198
199 typedef HashCountedSet<Node*> TouchEventTargetSet;
200
201 enum DocumentClass {
202 DefaultDocumentClass = 0,
203 HTMLDocumentClass = 1,
204 XHTMLDocumentClass = 1 << 1,
205 ImageDocumentClass = 1 << 2,
206 PluginDocumentClass = 1 << 3,
207 MediaDocumentClass = 1 << 4,
208 SVGDocumentClass = 1 << 5,
209 XMLDocumentClass = 1 << 6,
210 };
211
212 typedef unsigned char DocumentClassFlags;
213
214 class Document;
215
216 class DocumentVisibilityObserver : public WillBeGarbageCollectedMixin {
217 public:
218 DocumentVisibilityObserver(Document&);
219 virtual ~DocumentVisibilityObserver();
220
221 virtual void didChangeVisibilityState(PageVisibilityState) = 0;
222
223 // Classes that inherit Node and DocumentVisibilityObserver must have a
224 // virtual override of Node::didMoveToNewDocument that calls
225 // DocumentVisibilityObserver::setDocument
226 void setObservedDocument(Document&);
227
228 protected:
229 void trace(Visitor*);
230
231 private:
232 void registerObserver(Document&);
233 void unregisterObserver();
234
235 RawPtrWillBeMember<Document> m_document;
236 };
237
238 class Document : public ContainerNode, public TreeScope, public SecurityContext, public ExecutionContext, public ExecutionContextClient
239 , public DocumentSupplementable, public LifecycleContext<Document> {
240 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(Document);
241 public:
242 static PassRefPtrWillBeRawPtr<Document> create(const DocumentInit& initializer = DocumentInit())
243 {
244 return adoptRefWillBeNoop(new Document(initializer));
245 }
246 virtual ~Document();
247
248 MediaQueryMatcher& mediaQueryMatcher();
249
250 void mediaQueryAffectingValueChanged();
251
252 #if !ENABLE(OILPAN)
253 using ContainerNode::ref;
254 using ContainerNode::deref;
255 #endif
256 using SecurityContext::securityOrigin;
257 using SecurityContext::contentSecurityPolicy;
258 using ExecutionContextClient::addConsoleMessage;
259 using TreeScope::getElementById;
260
canContainRangeEndPoint()261 virtual bool canContainRangeEndPoint() const OVERRIDE { return true; }
262
263 SelectorQueryCache& selectorQueryCache();
264
265 // Focus Management.
266 Element* activeElement() const;
267 bool hasFocus() const;
268
269 // DOM methods & attributes for Document
270
271 DEFINE_ATTRIBUTE_EVENT_LISTENER(beforecopy);
272 DEFINE_ATTRIBUTE_EVENT_LISTENER(beforecut);
273 DEFINE_ATTRIBUTE_EVENT_LISTENER(beforepaste);
274 DEFINE_ATTRIBUTE_EVENT_LISTENER(copy);
275 DEFINE_ATTRIBUTE_EVENT_LISTENER(cut);
276 DEFINE_ATTRIBUTE_EVENT_LISTENER(paste);
277 DEFINE_ATTRIBUTE_EVENT_LISTENER(pointerlockchange);
278 DEFINE_ATTRIBUTE_EVENT_LISTENER(pointerlockerror);
279 DEFINE_ATTRIBUTE_EVENT_LISTENER(readystatechange);
280 DEFINE_ATTRIBUTE_EVENT_LISTENER(search);
281 DEFINE_ATTRIBUTE_EVENT_LISTENER(securitypolicyviolation);
282 DEFINE_ATTRIBUTE_EVENT_LISTENER(selectionchange);
283 DEFINE_ATTRIBUTE_EVENT_LISTENER(selectstart);
284 DEFINE_ATTRIBUTE_EVENT_LISTENER(touchcancel);
285 DEFINE_ATTRIBUTE_EVENT_LISTENER(touchend);
286 DEFINE_ATTRIBUTE_EVENT_LISTENER(touchmove);
287 DEFINE_ATTRIBUTE_EVENT_LISTENER(touchstart);
288 DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitfullscreenchange);
289 DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitfullscreenerror);
290 DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitpointerlockchange);
291 DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitpointerlockerror);
292 DEFINE_ATTRIBUTE_EVENT_LISTENER(wheel);
293
294 bool shouldMergeWithLegacyDescription(ViewportDescription::Type);
295 bool shouldOverrideLegacyDescription(ViewportDescription::Type);
296 void setViewportDescription(const ViewportDescription&);
viewportDescription()297 const ViewportDescription& viewportDescription() const { return m_viewportDescription; }
viewportDefaultMinWidth()298 Length viewportDefaultMinWidth() const { return m_viewportDefaultMinWidth; }
299
300 #ifndef NDEBUG
didDispatchViewportPropertiesChanged()301 bool didDispatchViewportPropertiesChanged() const { return m_didDispatchViewportPropertiesChanged; }
302 #endif
hasLegacyViewportTag()303 bool hasLegacyViewportTag() const { return m_legacyViewportDescription.isLegacyViewportType(); }
304
305 void setReferrerPolicy(ReferrerPolicy);
referrerPolicy()306 ReferrerPolicy referrerPolicy() const { return m_referrerPolicy; }
307
308 String outgoingReferrer();
309 String outgoingOrigin() const;
310
311 void setDoctype(PassRefPtrWillBeRawPtr<DocumentType>);
doctype()312 DocumentType* doctype() const { return m_docType.get(); }
313
314 DOMImplementation& implementation();
315
documentElement()316 Element* documentElement() const
317 {
318 return m_documentElement.get();
319 }
320
321 // Returns whether the Document has an AppCache manifest.
322 bool hasAppCacheManifest() const;
323
324 Location* location() const;
325
326 PassRefPtrWillBeRawPtr<Element> createElement(const AtomicString& name, ExceptionState&);
327 PassRefPtrWillBeRawPtr<DocumentFragment> createDocumentFragment();
328 PassRefPtrWillBeRawPtr<Text> createTextNode(const String& data);
329 PassRefPtrWillBeRawPtr<Comment> createComment(const String& data);
330 PassRefPtrWillBeRawPtr<CDATASection> createCDATASection(const String& data, ExceptionState&);
331 PassRefPtrWillBeRawPtr<ProcessingInstruction> createProcessingInstruction(const String& target, const String& data, ExceptionState&);
332 PassRefPtrWillBeRawPtr<Attr> createAttribute(const AtomicString& name, ExceptionState&);
333 PassRefPtrWillBeRawPtr<Attr> createAttributeNS(const AtomicString& namespaceURI, const AtomicString& qualifiedName, ExceptionState&, bool shouldIgnoreNamespaceChecks = false);
334 PassRefPtrWillBeRawPtr<Node> importNode(Node* importedNode, ExceptionState&);
335 PassRefPtrWillBeRawPtr<Node> importNode(Node* importedNode, bool deep, ExceptionState&);
336 PassRefPtrWillBeRawPtr<Element> createElementNS(const AtomicString& namespaceURI, const AtomicString& qualifiedName, ExceptionState&);
337 PassRefPtrWillBeRawPtr<Element> createElement(const QualifiedName&, bool createdByParser);
338
339 bool regionBasedColumnsEnabled() const;
340
341 Element* elementFromPoint(int x, int y) const;
342 PassRefPtrWillBeRawPtr<Range> caretRangeFromPoint(int x, int y);
343
344 String readyState() const;
345
346 String defaultCharset() const;
347
inputEncoding()348 AtomicString inputEncoding() const { return Document::encodingName(); }
charset()349 AtomicString charset() const { return Document::encodingName(); }
characterSet()350 AtomicString characterSet() const { return Document::encodingName(); }
351
352 AtomicString encodingName() const;
353
354 void setCharset(const String&);
355
356 void setContent(const String&);
357
358 String suggestedMIMEType() const;
359 void setMimeType(const AtomicString&);
360 AtomicString contentType() const; // DOM 4 document.contentType
361
contentLanguage()362 const AtomicString& contentLanguage() const { return m_contentLanguage; }
363 void setContentLanguage(const AtomicString&);
364
xmlEncoding()365 String xmlEncoding() const { return m_xmlEncoding; }
xmlVersion()366 String xmlVersion() const { return m_xmlVersion; }
367 enum StandaloneStatus { StandaloneUnspecified, Standalone, NotStandalone };
xmlStandalone()368 bool xmlStandalone() const { return m_xmlStandalone == Standalone; }
xmlStandaloneStatus()369 StandaloneStatus xmlStandaloneStatus() const { return static_cast<StandaloneStatus>(m_xmlStandalone); }
hasXMLDeclaration()370 bool hasXMLDeclaration() const { return m_hasXMLDeclaration; }
371
setXMLEncoding(const String & encoding)372 void setXMLEncoding(const String& encoding) { m_xmlEncoding = encoding; } // read-only property, only to be set from XMLDocumentParser
373 void setXMLVersion(const String&, ExceptionState&);
374 void setXMLStandalone(bool, ExceptionState&);
setHasXMLDeclaration(bool hasXMLDeclaration)375 void setHasXMLDeclaration(bool hasXMLDeclaration) { m_hasXMLDeclaration = hasXMLDeclaration ? 1 : 0; }
376
377 virtual KURL baseURI() const OVERRIDE FINAL;
378
379 String visibilityState() const;
380 bool hidden() const;
381 void didChangeVisibilityState();
382
383 PassRefPtrWillBeRawPtr<Node> adoptNode(PassRefPtrWillBeRawPtr<Node> source, ExceptionState&);
384
385 PassRefPtrWillBeRawPtr<HTMLCollection> images();
386 PassRefPtrWillBeRawPtr<HTMLCollection> embeds();
387 PassRefPtrWillBeRawPtr<HTMLCollection> applets();
388 PassRefPtrWillBeRawPtr<HTMLCollection> links();
389 PassRefPtrWillBeRawPtr<HTMLCollection> forms();
390 PassRefPtrWillBeRawPtr<HTMLCollection> anchors();
391 PassRefPtrWillBeRawPtr<HTMLCollection> scripts();
392 PassRefPtrWillBeRawPtr<HTMLAllCollection> allForBinding();
393 PassRefPtrWillBeRawPtr<HTMLAllCollection> all();
394
395 PassRefPtrWillBeRawPtr<HTMLCollection> windowNamedItems(const AtomicString& name);
396 PassRefPtrWillBeRawPtr<HTMLCollection> documentNamedItems(const AtomicString& name);
397
isHTMLDocument()398 bool isHTMLDocument() const { return m_documentClasses & HTMLDocumentClass; }
isXHTMLDocument()399 bool isXHTMLDocument() const { return m_documentClasses & XHTMLDocumentClass; }
isXMLDocument()400 bool isXMLDocument() const { return m_documentClasses & XMLDocumentClass; }
isImageDocument()401 bool isImageDocument() const { return m_documentClasses & ImageDocumentClass; }
isSVGDocument()402 bool isSVGDocument() const { return m_documentClasses & SVGDocumentClass; }
isPluginDocument()403 bool isPluginDocument() const { return m_documentClasses & PluginDocumentClass; }
isMediaDocument()404 bool isMediaDocument() const { return m_documentClasses & MediaDocumentClass; }
405
406 bool hasSVGRootNode() const;
407
408 bool isFrameSet() const;
409
isSrcdocDocument()410 bool isSrcdocDocument() const { return m_isSrcdocDocument; }
isMobileDocument()411 bool isMobileDocument() const { return m_isMobileDocument; }
412
isTransitionDocument()413 bool isTransitionDocument() const { return m_isTransitionDocument; }
setIsTransitionDocument()414 void setIsTransitionDocument() { m_isTransitionDocument = true; }
415
416 StyleResolver* styleResolver() const;
417 StyleResolver& ensureStyleResolver() const;
418
isViewSource()419 bool isViewSource() const { return m_isViewSource; }
420 void setIsViewSource(bool);
421
sawElementsInKnownNamespaces()422 bool sawElementsInKnownNamespaces() const { return m_sawElementsInKnownNamespaces; }
423
isRenderingReady()424 bool isRenderingReady() const { return haveImportsLoaded() && haveStylesheetsLoaded(); }
isScriptExecutionReady()425 bool isScriptExecutionReady() const { return isRenderingReady(); }
426
427 // This is a DOM function.
428 StyleSheetList* styleSheets();
429
styleEngine()430 StyleEngine* styleEngine() { return m_styleEngine.get(); }
431
gotoAnchorNeededAfterStylesheetsLoad()432 bool gotoAnchorNeededAfterStylesheetsLoad() { return m_gotoAnchorNeededAfterStylesheetsLoad; }
setGotoAnchorNeededAfterStylesheetsLoad(bool b)433 void setGotoAnchorNeededAfterStylesheetsLoad(bool b) { m_gotoAnchorNeededAfterStylesheetsLoad = b; }
434
435 // Called when one or more stylesheets in the document may have been added, removed, or changed.
436 void styleResolverChanged(StyleResolverUpdateMode = FullStyleUpdate);
437 void styleResolverMayHaveChanged();
438
439 // FIXME: Switch all callers of styleResolverChanged to these or better ones and then make them
440 // do something smarter.
441 void removedStyleSheet(StyleSheet*, StyleResolverUpdateMode = FullStyleUpdate);
addedStyleSheet(StyleSheet *)442 void addedStyleSheet(StyleSheet*) { styleResolverChanged(); }
443 void modifiedStyleSheet(StyleSheet*, StyleResolverUpdateMode = FullStyleUpdate);
changedSelectorWatch()444 void changedSelectorWatch() { styleResolverChanged(); }
445
446 void scheduleUseShadowTreeUpdate(SVGUseElement&);
447 void unscheduleUseShadowTreeUpdate(SVGUseElement&);
448
449 // FIXME: SVG filters should change to store the filter on the RenderStyle
450 // instead of the RenderObject so we can get rid of this hack.
451 void scheduleSVGFilterLayerUpdateHack(Element&);
452 void unscheduleSVGFilterLayerUpdateHack(Element&);
453
454 void evaluateMediaQueryList();
455
456 FormController& formController();
457 DocumentState* formElementsState() const;
458 void setStateForNewFormElements(const Vector<String>&);
459
460 FrameView* view() const; // can be null
frame()461 LocalFrame* frame() const { return m_frame; } // can be null
462 FrameHost* frameHost() const; // can be null
463 Page* page() const; // can be null
464 Settings* settings() const; // can be null
465
466 float devicePixelRatio() const;
467
468 PassRefPtrWillBeRawPtr<Range> createRange();
469
470 PassRefPtrWillBeRawPtr<NodeIterator> createNodeIterator(Node* root, ExceptionState&);
471 PassRefPtrWillBeRawPtr<NodeIterator> createNodeIterator(Node* root, unsigned whatToShow, ExceptionState&);
472 PassRefPtrWillBeRawPtr<NodeIterator> createNodeIterator(Node* root, unsigned whatToShow, PassRefPtrWillBeRawPtr<NodeFilter>, ExceptionState&);
473
474 PassRefPtrWillBeRawPtr<TreeWalker> createTreeWalker(Node* root, ExceptionState&);
475 PassRefPtrWillBeRawPtr<TreeWalker> createTreeWalker(Node* root, unsigned whatToShow, ExceptionState&);
476 PassRefPtrWillBeRawPtr<TreeWalker> createTreeWalker(Node* root, unsigned whatToShow, PassRefPtrWillBeRawPtr<NodeFilter>, ExceptionState&);
477
478 // Special support for editing
479 PassRefPtrWillBeRawPtr<Text> createEditingTextNode(const String&);
480
481 void setupFontBuilder(RenderStyle* documentStyle);
482
updateRenderTreeIfNeeded()483 void updateRenderTreeIfNeeded() { updateRenderTree(NoChange); }
484 void updateRenderTreeForNodeIfNeeded(Node*);
485 void updateLayout();
486 enum RunPostLayoutTasks {
487 RunPostLayoutTasksAsyhnchronously,
488 RunPostLayoutTasksSynchronously,
489 };
490 void updateLayoutIgnorePendingStylesheets(RunPostLayoutTasks = RunPostLayoutTasksAsyhnchronously);
491 PassRefPtr<RenderStyle> styleForElementIgnoringPendingStylesheets(Element*);
492 PassRefPtr<RenderStyle> styleForPage(int pageIndex);
493
494 void updateDistributionForNodeIfNeeded(Node*);
495
496 // Returns true if page box (margin boxes and page borders) is visible.
497 bool isPageBoxVisible(int pageIndex);
498
499 // Returns the preferred page size and margins in pixels, assuming 96
500 // pixels per inch. pageSize, marginTop, marginRight, marginBottom,
501 // marginLeft must be initialized to the default values that are used if
502 // auto is specified.
503 void pageSizeAndMarginsInPixels(int pageIndex, IntSize& pageSize, int& marginTop, int& marginRight, int& marginBottom, int& marginLeft);
504
fetcher()505 ResourceFetcher* fetcher() { return m_fetcher.get(); }
506
507 virtual void attach(const AttachContext& = AttachContext()) OVERRIDE;
508 virtual void detach(const AttachContext& = AttachContext()) OVERRIDE;
509 void prepareForDestruction();
510
511 // If you have a Document, use renderView() instead which is faster.
512 void renderer() const WTF_DELETED_FUNCTION;
513
renderView()514 RenderView* renderView() const { return m_renderView; }
515
516 AXObjectCache* existingAXObjectCache() const;
517 AXObjectCache* axObjectCache() const;
518 void clearAXObjectCache();
519
520 // to get visually ordered hebrew and arabic pages right
visuallyOrdered()521 bool visuallyOrdered() const { return m_visuallyOrdered; }
522
523 DocumentLoader* loader() const;
524
525 void open(Document* ownerDocument = 0, ExceptionState& = ASSERT_NO_EXCEPTION);
526 PassRefPtrWillBeRawPtr<DocumentParser> implicitOpen();
527
528 // close() is the DOM API document.close()
529 void close(ExceptionState& = ASSERT_NO_EXCEPTION);
530 // In some situations (see the code), we ignore document.close().
531 // explicitClose() bypass these checks and actually tries to close the
532 // input stream.
533 void explicitClose();
534 // implicitClose() actually does the work of closing the input stream.
535 void implicitClose();
536
537 bool dispatchBeforeUnloadEvent(Chrome&, bool&);
538 void dispatchUnloadEvents();
539
540 enum PageDismissalType {
541 NoDismissal = 0,
542 BeforeUnloadDismissal = 1,
543 PageHideDismissal = 2,
544 UnloadDismissal = 3
545 };
546 PageDismissalType pageDismissalEventBeingDispatched() const;
547
548 void cancelParsing();
549
550 void write(const SegmentedString& text, Document* ownerDocument = 0, ExceptionState& = ASSERT_NO_EXCEPTION);
551 void write(const String& text, Document* ownerDocument = 0, ExceptionState& = ASSERT_NO_EXCEPTION);
552 void writeln(const String& text, Document* ownerDocument = 0, ExceptionState& = ASSERT_NO_EXCEPTION);
553
wellFormed()554 bool wellFormed() const { return m_wellFormed; }
555
url()556 const KURL& url() const { return m_url; }
557 void setURL(const KURL&);
558
559 // To understand how these concepts relate to one another, please see the
560 // comments surrounding their declaration.
baseURL()561 const KURL& baseURL() const { return m_baseURL; }
562 void setBaseURLOverride(const KURL&);
baseURLOverride()563 const KURL& baseURLOverride() const { return m_baseURLOverride; }
baseElementURL()564 const KURL& baseElementURL() const { return m_baseElementURL; }
baseTarget()565 const AtomicString& baseTarget() const { return m_baseTarget; }
566 void processBaseElement();
567
568 KURL completeURL(const String&) const;
569 KURL completeURLWithOverride(const String&, const KURL& baseURLOverride) const;
570
571 virtual String userAgent(const KURL&) const OVERRIDE FINAL;
572 virtual void disableEval(const String& errorMessage) OVERRIDE FINAL;
573
574 bool canNavigate(const Frame& targetFrame);
575 LocalFrame* findUnsafeParentScrollPropagationBoundary();
576
577 CSSStyleSheet& elementSheet();
578
579 virtual PassRefPtrWillBeRawPtr<DocumentParser> createParser();
parser()580 DocumentParser* parser() const { return m_parser.get(); }
581 ScriptableDocumentParser* scriptableDocumentParser() const;
582
printing()583 bool printing() const { return m_printing; }
setPrinting(bool p)584 void setPrinting(bool p) { m_printing = p; }
585
paginatedForScreen()586 bool paginatedForScreen() const { return m_paginatedForScreen; }
setPaginatedForScreen(bool p)587 void setPaginatedForScreen(bool p) { m_paginatedForScreen = p; }
588
paginated()589 bool paginated() const { return printing() || paginatedForScreen(); }
590
591 enum CompatibilityMode { QuirksMode, LimitedQuirksMode, NoQuirksMode };
592
593 void setCompatibilityMode(CompatibilityMode m);
compatibilityMode()594 CompatibilityMode compatibilityMode() const { return m_compatibilityMode; }
595
596 String compatMode() const;
597
inQuirksMode()598 bool inQuirksMode() const { return m_compatibilityMode == QuirksMode; }
inLimitedQuirksMode()599 bool inLimitedQuirksMode() const { return m_compatibilityMode == LimitedQuirksMode; }
inNoQuirksMode()600 bool inNoQuirksMode() const { return m_compatibilityMode == NoQuirksMode; }
601
602 enum ReadyState {
603 Loading,
604 Interactive,
605 Complete
606 };
607 void setReadyState(ReadyState);
608 bool isLoadCompleted();
609
610 void setParsing(bool);
parsing()611 bool parsing() const { return m_isParsing; }
612
613 bool shouldScheduleLayout() const;
614 int elapsedTime() const;
615
textLinkColors()616 TextLinkColors& textLinkColors() { return m_textLinkColors; }
visitedLinkState()617 VisitedLinkState& visitedLinkState() const { return *m_visitedLinkState; }
618
619 MouseEventWithHitTestResults prepareMouseEvent(const HitTestRequest&, const LayoutPoint&, const PlatformMouseEvent&);
620
621 /* Newly proposed CSS3 mechanism for selecting alternate
622 stylesheets using the DOM. May be subject to change as
623 spec matures. - dwh
624 */
625 String preferredStylesheetSet() const;
626 String selectedStylesheetSet() const;
627 void setSelectedStylesheetSet(const String&);
628
629 bool setFocusedElement(PassRefPtrWillBeRawPtr<Element>, FocusType = FocusTypeNone);
focusedElement()630 Element* focusedElement() const { return m_focusedElement.get(); }
userActionElements()631 UserActionElementSet& userActionElements() { return m_userActionElements; }
userActionElements()632 const UserActionElementSet& userActionElements() const { return m_userActionElements; }
633 void setNeedsFocusedElementCheck();
634 void setAutofocusElement(Element*);
autofocusElement()635 Element* autofocusElement() const { return m_autofocusElement.get(); }
636
637 void setActiveHoverElement(PassRefPtrWillBeRawPtr<Element>);
activeHoverElement()638 Element* activeHoverElement() const { return m_activeHoverElement.get(); }
639
640 void removeFocusedElementOfSubtree(Node*, bool amongChildrenOnly = false);
641 void hoveredNodeDetached(Node*);
642 void activeChainNodeDetached(Node*);
643
644 void updateHoverActiveState(const HitTestRequest&, Element*, const PlatformMouseEvent* = 0);
645
646 // Updates for :target (CSS3 selector).
647 void setCSSTarget(Element*);
cssTarget()648 Element* cssTarget() const { return m_cssTarget; }
649
650 void scheduleRenderTreeUpdateIfNeeded();
651 bool hasPendingForcedStyleRecalc() const;
652
653 void registerNodeList(const LiveNodeListBase*);
654 void unregisterNodeList(const LiveNodeListBase*);
655 void registerNodeListWithIdNameCache(const LiveNodeListBase*);
656 void unregisterNodeListWithIdNameCache(const LiveNodeListBase*);
657 bool shouldInvalidateNodeListCaches(const QualifiedName* attrName = 0) const;
658 void invalidateNodeListCaches(const QualifiedName* attrName);
659
660 void attachNodeIterator(NodeIterator*);
661 void detachNodeIterator(NodeIterator*);
662 void moveNodeIteratorsToNewDocument(Node&, Document&);
663
664 void attachRange(Range*);
665 void detachRange(Range*);
666
667 void updateRangesAfterChildrenChanged(ContainerNode*);
668 void updateRangesAfterNodeMovedToAnotherDocument(const Node&);
669 // nodeChildrenWillBeRemoved is used when removing all node children at once.
670 void nodeChildrenWillBeRemoved(ContainerNode&);
671 // nodeWillBeRemoved is only safe when removing one node at a time.
672 void nodeWillBeRemoved(Node&);
673 bool canReplaceChild(const Node& newChild, const Node& oldChild) const;
674
675 void didInsertText(Node*, unsigned offset, unsigned length);
676 void didRemoveText(Node*, unsigned offset, unsigned length);
677 void didMergeTextNodes(Text& oldNode, unsigned offset);
678 void didSplitTextNode(Text& oldNode);
679
clearDOMWindow()680 void clearDOMWindow() { m_domWindow = nullptr; }
domWindow()681 LocalDOMWindow* domWindow() const { return m_domWindow; }
682
683 // Helper functions for forwarding LocalDOMWindow event related tasks to the LocalDOMWindow if it exists.
684 void setWindowAttributeEventListener(const AtomicString& eventType, PassRefPtr<EventListener>);
685 EventListener* getWindowAttributeEventListener(const AtomicString& eventType);
686
687 static void registerEventFactory(PassOwnPtr<EventFactoryBase>);
688 static PassRefPtrWillBeRawPtr<Event> createEvent(const String& eventType, ExceptionState&);
689
690 // keep track of what types of event listeners are registered, so we don't
691 // dispatch events unnecessarily
692 enum ListenerType {
693 DOMSUBTREEMODIFIED_LISTENER = 1,
694 DOMNODEINSERTED_LISTENER = 1 << 1,
695 DOMNODEREMOVED_LISTENER = 1 << 2,
696 DOMNODEREMOVEDFROMDOCUMENT_LISTENER = 1 << 3,
697 DOMNODEINSERTEDINTODOCUMENT_LISTENER = 1 << 4,
698 DOMCHARACTERDATAMODIFIED_LISTENER = 1 << 5,
699 OVERFLOWCHANGED_LISTENER = 1 << 6,
700 ANIMATIONEND_LISTENER = 1 << 7,
701 ANIMATIONSTART_LISTENER = 1 << 8,
702 ANIMATIONITERATION_LISTENER = 1 << 9,
703 TRANSITIONEND_LISTENER = 1 << 10,
704 SCROLL_LISTENER = 1 << 12
705 // 4 bits remaining
706 };
707
hasListenerType(ListenerType listenerType)708 bool hasListenerType(ListenerType listenerType) const { return (m_listenerTypes & listenerType); }
709 void addListenerTypeIfNeeded(const AtomicString& eventType);
710
hasMutationObserversOfType(MutationObserver::MutationType type)711 bool hasMutationObserversOfType(MutationObserver::MutationType type) const
712 {
713 return m_mutationObserverTypes & type;
714 }
hasMutationObservers()715 bool hasMutationObservers() const { return m_mutationObserverTypes; }
addMutationObserverTypes(MutationObserverOptions types)716 void addMutationObserverTypes(MutationObserverOptions types) { m_mutationObserverTypes |= types; }
717
718 CSSStyleDeclaration* getOverrideStyle(Element*, const String& pseudoElt);
719
720 /**
721 * Handles a HTTP header equivalent set by a meta tag using <meta http-equiv="..." content="...">. This is called
722 * when a meta tag is encountered during document parsing, and also when a script dynamically changes or adds a meta
723 * tag. This enables scripts to use meta tags to perform refreshes and set expiry dates in addition to them being
724 * specified in a HTML file.
725 *
726 * @param equiv The http header name (value of the meta tag's "equiv" attribute)
727 * @param content The header value (value of the meta tag's "content" attribute)
728 * @param inDocumentHeadElement Is the element in the document's <head> element?
729 */
730 void processHttpEquiv(const AtomicString& equiv, const AtomicString& content, bool inDocumentHeadElement);
731 void updateViewportDescription();
732 void processReferrerPolicy(const String& policy);
733
734 // Returns the owning element in the parent document.
735 // Returns 0 if this is the top level document.
736 HTMLFrameOwnerElement* ownerElement() const;
737
title()738 String title() const { return m_title; }
739 void setTitle(const String&);
740
titleElement()741 Element* titleElement() const { return m_titleElement.get(); }
742 void setTitleElement(const String& title, Element* titleElement);
743 void removeTitle(Element* titleElement);
744
745 const AtomicString& dir();
746 void setDir(const AtomicString&);
747
748 String cookie(ExceptionState&) const;
749 void setCookie(const String&, ExceptionState&);
750
751 const AtomicString& referrer() const;
752
753 String domain() const;
754 void setDomain(const String& newDomain, ExceptionState&);
755
756 String lastModified() const;
757
758 // The cookieURL is used to query the cookie database for this document's
759 // cookies. For example, if the cookie URL is http://example.com, we'll
760 // use the non-Secure cookies for example.com when computing
761 // document.cookie.
762 //
763 // Q: How is the cookieURL different from the document's URL?
764 // A: The two URLs are the same almost all the time. However, if one
765 // document inherits the security context of another document, it
766 // inherits its cookieURL but not its URL.
767 //
cookieURL()768 const KURL& cookieURL() const { return m_cookieURL; }
setCookieURL(const KURL & url)769 void setCookieURL(const KURL& url) { m_cookieURL = url; }
770
771 const KURL& firstPartyForCookies() const;
772
773 // The following implements the rule from HTML 4 for what valid names are.
774 // To get this right for all the XML cases, we probably have to improve this or move it
775 // and make it sensitive to the type of document.
776 static bool isValidName(const String&);
777
778 // The following breaks a qualified name into a prefix and a local name.
779 // It also does a validity check, and returns false if the qualified name
780 // is invalid. It also sets ExceptionCode when name is invalid.
781 static bool parseQualifiedName(const AtomicString& qualifiedName, AtomicString& prefix, AtomicString& localName, ExceptionState&);
782
783 // Checks to make sure prefix and namespace do not conflict (per DOM Core 3)
784 static bool hasValidNamespaceForElements(const QualifiedName&);
785 static bool hasValidNamespaceForAttributes(const QualifiedName&);
786
787 HTMLElement* body() const;
788 void setBody(PassRefPtrWillBeRawPtr<HTMLElement>, ExceptionState&);
789
790 HTMLHeadElement* head() const;
791
792 // Decide which element is to define the viewport's overflow policy. If |rootStyle| is set, use
793 // that as the style for the root element, rather than obtaining it on our own. The reason for
794 // this is that style may not have been associated with the elements yet - in which case it may
795 // have been calculated on the fly (without associating it with the actual element) somewhere.
796 Element* viewportDefiningElement(RenderStyle* rootStyle = 0) const;
797
markers()798 DocumentMarkerController& markers() const { return *m_markers; }
799
directionSetOnDocumentElement()800 bool directionSetOnDocumentElement() const { return m_directionSetOnDocumentElement; }
writingModeSetOnDocumentElement()801 bool writingModeSetOnDocumentElement() const { return m_writingModeSetOnDocumentElement; }
setDirectionSetOnDocumentElement(bool b)802 void setDirectionSetOnDocumentElement(bool b) { m_directionSetOnDocumentElement = b; }
setWritingModeSetOnDocumentElement(bool b)803 void setWritingModeSetOnDocumentElement(bool b) { m_writingModeSetOnDocumentElement = b; }
804
805 bool execCommand(const String& command, bool userInterface = false, const String& value = String());
806 bool queryCommandEnabled(const String& command);
807 bool queryCommandIndeterm(const String& command);
808 bool queryCommandState(const String& command);
809 bool queryCommandSupported(const String& command);
810 String queryCommandValue(const String& command);
811
812 KURL openSearchDescriptionURL();
813
814 // designMode support
815 enum InheritedBool { off = false, on = true, inherit };
816 void setDesignMode(InheritedBool value);
817 InheritedBool getDesignMode() const;
818 bool inDesignMode() const;
819 String designMode() const;
820 void setDesignMode(const String&);
821
822 Document* parentDocument() const;
823 Document& topDocument() const;
824 WeakPtrWillBeRawPtr<Document> contextDocument();
825
scriptRunner()826 ScriptRunner* scriptRunner() { return m_scriptRunner.get(); }
827
currentScript()828 HTMLScriptElement* currentScript() const { return !m_currentScriptStack.isEmpty() ? m_currentScriptStack.last().get() : 0; }
829 void pushCurrentScript(PassRefPtrWillBeRawPtr<HTMLScriptElement>);
830 void popCurrentScript();
831
832 void applyXSLTransform(ProcessingInstruction* pi);
transformSourceDocument()833 PassRefPtrWillBeRawPtr<Document> transformSourceDocument() { return m_transformSourceDocument; }
setTransformSourceDocument(Document * doc)834 void setTransformSourceDocument(Document* doc) { m_transformSourceDocument = doc; }
835
836 void setTransformSource(PassOwnPtr<TransformSource>);
transformSource()837 TransformSource* transformSource() const { return m_transformSource.get(); }
838
incDOMTreeVersion()839 void incDOMTreeVersion() { ASSERT(m_lifecycle.stateAllowsTreeMutations()); m_domTreeVersion = ++s_globalTreeVersion; }
domTreeVersion()840 uint64_t domTreeVersion() const { return m_domTreeVersion; }
841
842 enum PendingSheetLayout { NoLayoutWithPendingSheets, DidLayoutWithPendingSheets, IgnoreLayoutWithPendingSheets };
843
didLayoutWithPendingStylesheets()844 bool didLayoutWithPendingStylesheets() const { return m_pendingSheetLayout == DidLayoutWithPendingSheets; }
ignoreLayoutWithPendingStylesheets()845 bool ignoreLayoutWithPendingStylesheets() const { return m_pendingSheetLayout == IgnoreLayoutWithPendingSheets; }
846
hasNodesWithPlaceholderStyle()847 bool hasNodesWithPlaceholderStyle() const { return m_hasNodesWithPlaceholderStyle; }
setHasNodesWithPlaceholderStyle()848 void setHasNodesWithPlaceholderStyle() { m_hasNodesWithPlaceholderStyle = true; }
849
850 Vector<IconURL> iconURLs(int iconTypesMask);
851
852 Color themeColor() const;
853
854 // Returns the HTMLLinkElement currently in use for the Web Manifest.
855 // Returns null if there is no such element.
856 HTMLLinkElement* linkManifest() const;
857
858 void setUseSecureKeyboardEntryWhenActive(bool);
859 bool useSecureKeyboardEntryWhenActive() const;
860
861 void updateFocusAppearanceSoon(bool restorePreviousSelection);
862 void cancelFocusAppearanceUpdate();
863
864 // Extension for manipulating canvas drawing contexts for use in CSS
865 void getCSSCanvasContext(const String& type, const String& name, int width, int height, bool&, RefPtrWillBeRawPtr<CanvasRenderingContext2D>&, bool&, RefPtrWillBeRawPtr<WebGLRenderingContext>&);
866 HTMLCanvasElement& getCSSCanvasElement(const String& name);
867
isDNSPrefetchEnabled()868 bool isDNSPrefetchEnabled() const { return m_isDNSPrefetchEnabled; }
869 void parseDNSPrefetchControlHeader(const String&);
870
871 // FIXME(crbug.com/305497): This should be removed once LocalDOMWindow is an ExecutionContext.
872 virtual void postTask(PassOwnPtr<ExecutionContextTask>) OVERRIDE; // Executes the task on context's thread asynchronously.
873
874 virtual void tasksWereSuspended() OVERRIDE FINAL;
875 virtual void tasksWereResumed() OVERRIDE FINAL;
876 virtual void suspendScheduledTasks() OVERRIDE FINAL;
877 virtual void resumeScheduledTasks() OVERRIDE FINAL;
878 virtual bool tasksNeedSuspension() OVERRIDE FINAL;
879
880 void finishedParsing();
881
882 void setEncodingData(const DocumentEncodingData& newData);
encoding()883 const WTF::TextEncoding& encoding() const { return m_encodingData.encoding(); }
884
encodingWasDetectedHeuristically()885 bool encodingWasDetectedHeuristically() const { return m_encodingData.wasDetectedHeuristically(); }
sawDecodingError()886 bool sawDecodingError() const { return m_encodingData.sawDecodingError(); }
887
setAnnotatedRegionsDirty(bool f)888 void setAnnotatedRegionsDirty(bool f) { m_annotatedRegionsDirty = f; }
annotatedRegionsDirty()889 bool annotatedRegionsDirty() const { return m_annotatedRegionsDirty; }
hasAnnotatedRegions()890 bool hasAnnotatedRegions () const { return m_hasAnnotatedRegions; }
setHasAnnotatedRegions(bool f)891 void setHasAnnotatedRegions(bool f) { m_hasAnnotatedRegions = f; }
892 const Vector<AnnotatedRegionValue>& annotatedRegions() const;
893 void setAnnotatedRegions(const Vector<AnnotatedRegionValue>&);
894
895 virtual void removeAllEventListeners() OVERRIDE FINAL;
896
897 const SVGDocumentExtensions* svgExtensions();
898 SVGDocumentExtensions& accessSVGExtensions();
899
900 void initSecurityContext();
901 void initSecurityContext(const DocumentInit&);
902 void initContentSecurityPolicy(const ContentSecurityPolicyResponseHeaders&);
903
904 bool allowInlineEventHandlers(Node*, EventListener*, const String& contextURL, const WTF::OrdinalNumber& contextLine);
905 bool allowExecutingScripts(Node*);
906
907 void statePopped(PassRefPtr<SerializedScriptValue>);
908
909 enum LoadEventProgress {
910 LoadEventNotRun,
911 LoadEventTried,
912 LoadEventInProgress,
913 LoadEventCompleted,
914 BeforeUnloadEventInProgress,
915 BeforeUnloadEventCompleted,
916 PageHideInProgress,
917 UnloadEventInProgress,
918 UnloadEventHandled
919 };
loadEventStillNeeded()920 bool loadEventStillNeeded() const { return m_loadEventProgress == LoadEventNotRun; }
processingLoadEvent()921 bool processingLoadEvent() const { return m_loadEventProgress == LoadEventInProgress; }
loadEventFinished()922 bool loadEventFinished() const { return m_loadEventProgress >= LoadEventCompleted; }
unloadStarted()923 bool unloadStarted() const { return m_loadEventProgress >= PageHideInProgress; }
924
setContainsPlugins()925 void setContainsPlugins() { m_containsPlugins = true; }
containsPlugins()926 bool containsPlugins() const { return m_containsPlugins; }
927
928 virtual bool isContextThread() const OVERRIDE FINAL;
isJSExecutionForbidden()929 virtual bool isJSExecutionForbidden() const OVERRIDE FINAL { return false; }
930
containsValidityStyleRules()931 bool containsValidityStyleRules() const { return m_containsValidityStyleRules; }
setContainsValidityStyleRules()932 void setContainsValidityStyleRules() { m_containsValidityStyleRules = true; }
933
934 void enqueueResizeEvent();
935 void enqueueScrollEventForNode(Node*);
936 void enqueueAnimationFrameEvent(PassRefPtrWillBeRawPtr<Event>);
937
hasFullscreenElementStack()938 bool hasFullscreenElementStack() const { return m_hasFullscreenElementStack; }
setHasFullscreenElementStack()939 void setHasFullscreenElementStack() { m_hasFullscreenElementStack = true; }
940
941 void exitPointerLock();
942 Element* pointerLockElement() const;
943
944 // Used to allow element that loads data without going through a FrameLoader to delay the 'load' event.
incrementLoadEventDelayCount()945 void incrementLoadEventDelayCount() { ++m_loadEventDelayCount; }
946 void decrementLoadEventDelayCount();
947 void checkLoadEventSoon();
948 bool isDelayingLoadEvent();
949 void loadPluginsSoon();
950
951 PassRefPtrWillBeRawPtr<Touch> createTouch(LocalDOMWindow*, EventTarget*, int identifier, double pageX, double pageY, double screenX, double screenY, double radiusX, double radiusY, float rotationAngle, float force) const;
952 PassRefPtrWillBeRawPtr<TouchList> createTouchList(WillBeHeapVector<RefPtrWillBeMember<Touch> >&) const;
953
timing()954 const DocumentTiming& timing() const { return m_documentTiming; }
955
956 int requestAnimationFrame(PassOwnPtr<RequestAnimationFrameCallback>);
957 void cancelAnimationFrame(int id);
958 void serviceScriptedAnimations(double monotonicAnimationStartTime);
959
960 virtual EventTarget* errorEventTarget() OVERRIDE FINAL;
961 virtual void logExceptionToConsole(const String& errorMessage, const String& sourceURL, int lineNumber, int columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack>) OVERRIDE FINAL;
962
963 void initDNSPrefetch();
964
hasTouchEventHandlers()965 bool hasTouchEventHandlers() const { return (m_touchEventTargets.get()) ? m_touchEventTargets->size() : false; }
966
967 // Called when a single touch event handler has been added or removed for a node.
968 // The Node should always be in this Document, except for child Documents which report
969 // themselves to their parent exactly once if they have any touch handlers.
970 // Handlers added/removed from the LocalDOMWindow are reported as the Document.
971 void didAddTouchEventHandler(Node*);
didRemoveTouchEventHandler(Node * handler)972 void didRemoveTouchEventHandler(Node* handler) { didRemoveTouchEventHandler(handler, false); }
973
974 // Called whenever all touch event handlers have been removed for a node (such as when the
975 // node itself is being removed from the document).
didClearTouchEventHandlers(Node * handler)976 void didClearTouchEventHandlers(Node* handler) { didRemoveTouchEventHandler(handler, true); }
977
touchEventTargets()978 const TouchEventTargetSet* touchEventTargets() const { return m_touchEventTargets.get(); }
979
isInDocumentWrite()980 bool isInDocumentWrite() { return m_writeRecursionDepth > 0; }
981
982 IntSize initialViewportSize() const;
983
984 // There are currently two parallel autosizing implementations: TextAutosizer and FastTextAutosizer.
985 // See http://tinyurl.com/chromium-fast-autosizer for more details.
986 TextAutosizer* textAutosizer();
987 FastTextAutosizer* fastTextAutosizer();
988
989 PassRefPtrWillBeRawPtr<Element> createElement(const AtomicString& localName, const AtomicString& typeExtension, ExceptionState&);
990 PassRefPtrWillBeRawPtr<Element> createElementNS(const AtomicString& namespaceURI, const AtomicString& qualifiedName, const AtomicString& typeExtension, ExceptionState&);
991 ScriptValue registerElement(WebCore::ScriptState*, const AtomicString& name, ExceptionState&);
992 ScriptValue registerElement(WebCore::ScriptState*, const AtomicString& name, const Dictionary& options, ExceptionState&, CustomElement::NameSet validNames = CustomElement::StandardNames);
registrationContext()993 CustomElementRegistrationContext* registrationContext() { return m_registrationContext.get(); }
994
995 void setImportsController(HTMLImportsController*);
importsController()996 HTMLImportsController* importsController() const { return m_importsController; }
997 HTMLImportLoader* importLoader() const;
998
999 bool haveImportsLoaded() const;
1000 void didLoadAllImports();
1001
1002 void adjustFloatQuadsForScrollAndAbsoluteZoom(Vector<FloatQuad>&, RenderObject&);
1003 void adjustFloatRectForScrollAndAbsoluteZoom(FloatRect&, RenderObject&);
1004
1005 bool hasActiveParser();
activeParserCount()1006 unsigned activeParserCount() { return m_activeParserCount; }
incrementActiveParserCount()1007 void incrementActiveParserCount() { ++m_activeParserCount; }
1008 void decrementActiveParserCount();
1009
1010 void setContextFeatures(ContextFeatures&);
contextFeatures()1011 ContextFeatures& contextFeatures() const { return *m_contextFeatures; }
1012
elementDataCache()1013 ElementDataCache* elementDataCache() { return m_elementDataCache.get(); }
1014
1015 void didLoadAllScriptBlockingResources();
1016 void didRemoveAllPendingStylesheet();
1017 void clearStyleResolver();
1018
inStyleRecalc()1019 bool inStyleRecalc() const { return m_lifecycle.state() == DocumentLifecycle::InStyleRecalc; }
1020
1021 // Return a Locale for the default locale if the argument is null or empty.
1022 Locale& getCachedLocale(const AtomicString& locale = nullAtom);
1023
animationClock()1024 AnimationClock& animationClock() { return m_animationClock; }
timeline()1025 AnimationTimeline& timeline() const { return *m_timeline; }
compositorPendingAnimations()1026 CompositorPendingAnimations& compositorPendingAnimations() { return m_compositorPendingAnimations; }
1027
1028 void addToTopLayer(Element*, const Element* before = 0);
1029 void removeFromTopLayer(Element*);
topLayerElements()1030 const WillBeHeapVector<RefPtrWillBeMember<Element> >& topLayerElements() const { return m_topLayerElements; }
1031 HTMLDialogElement* activeModalDialog() const;
1032
1033 // A non-null m_templateDocumentHost implies that |this| was created by ensureTemplateDocument().
isTemplateDocument()1034 bool isTemplateDocument() const { return !!m_templateDocumentHost; }
1035 Document& ensureTemplateDocument();
templateDocumentHost()1036 Document* templateDocumentHost() { return m_templateDocumentHost; }
1037
1038 void didAssociateFormControl(Element*);
1039
1040 void addConsoleMessageWithRequestIdentifier(MessageSource, MessageLevel, const String& message, unsigned long requestIdentifier);
1041
1042 virtual LocalDOMWindow* executingWindow() OVERRIDE FINAL;
1043 LocalFrame* executingFrame();
1044
1045 DocumentLifecycleNotifier& lifecycleNotifier();
lifecycle()1046 DocumentLifecycle& lifecycle() { return m_lifecycle; }
isActive()1047 bool isActive() const { return m_lifecycle.isActive(); }
isStopped()1048 bool isStopped() const { return m_lifecycle.state() == DocumentLifecycle::Stopped; }
isDisposed()1049 bool isDisposed() const { return m_lifecycle.state() == DocumentLifecycle::Disposed; }
1050
1051 enum HttpRefreshType {
1052 HttpRefreshFromHeader,
1053 HttpRefreshFromMetaTag
1054 };
1055 void maybeHandleHttpRefresh(const String&, HttpRefreshType);
1056
1057 void updateSecurityOrigin(PassRefPtr<SecurityOrigin>);
1058 PassOwnPtr<LifecycleNotifier<Document> > createLifecycleNotifier();
1059
setHasViewportUnits()1060 void setHasViewportUnits() { m_hasViewportUnits = true; }
hasViewportUnits()1061 bool hasViewportUnits() const { return m_hasViewportUnits; }
1062 void notifyResizeForViewportUnits();
1063
1064 void registerVisibilityObserver(DocumentVisibilityObserver*);
1065 void unregisterVisibilityObserver(DocumentVisibilityObserver*);
1066
1067 void updateStyleInvalidationIfNeeded();
1068
1069 virtual void trace(Visitor*) OVERRIDE;
1070
hasSVGFilterElementsRequiringLayerUpdate()1071 bool hasSVGFilterElementsRequiringLayerUpdate() const { return m_layerUpdateSVGFilterElements.size(); }
didRecalculateStyleForElement()1072 void didRecalculateStyleForElement() { ++m_styleRecalcElementCounter; }
1073
1074 protected:
1075 Document(const DocumentInit&, DocumentClassFlags = DefaultDocumentClass);
1076
1077 virtual void didUpdateSecurityOrigin() OVERRIDE FINAL;
1078
clearXMLVersion()1079 void clearXMLVersion() { m_xmlVersion = String(); }
1080
1081 #if !ENABLE(OILPAN)
1082 virtual void dispose() OVERRIDE;
1083 #endif
1084
1085 virtual PassRefPtrWillBeRawPtr<Document> cloneDocumentWithoutChildren();
1086
1087 bool importContainerNodeChildren(ContainerNode* oldContainerNode, PassRefPtrWillBeRawPtr<ContainerNode> newContainerNode, ExceptionState&);
lockCompatibilityMode()1088 void lockCompatibilityMode() { m_compatibilityModeLocked = true; }
1089
1090 private:
1091 friend class Node;
1092 friend class IgnoreDestructiveWriteCountIncrementer;
1093
1094 ScriptedAnimationController& ensureScriptedAnimationController();
securityContext()1095 virtual SecurityContext& securityContext() OVERRIDE FINAL { return *this; }
1096 virtual EventQueue* eventQueue() const OVERRIDE FINAL;
1097
1098 // FIXME: Rename the StyleRecalc state to RenderTreeUpdate.
hasPendingStyleRecalc()1099 bool hasPendingStyleRecalc() const { return m_lifecycle.state() == DocumentLifecycle::VisualUpdatePending; }
1100
1101 bool shouldScheduleRenderTreeUpdate() const;
1102 void scheduleRenderTreeUpdate();
1103
1104 bool needsFullRenderTreeUpdate() const;
1105 bool needsRenderTreeUpdate() const;
1106
1107 void inheritHtmlAndBodyElementStyles(StyleRecalcChange);
1108
1109 bool dirtyElementsForLayerUpdate();
1110 void updateDistributionIfNeeded();
1111 void updateUseShadowTreesIfNeeded();
1112 void evaluateMediaQueryListIfNeeded();
1113
1114 void updateRenderTree(StyleRecalcChange);
1115 void updateStyle(StyleRecalcChange);
1116
1117 void detachParser();
1118
1119 void clearWeakMembers(Visitor*);
1120
isDocument()1121 virtual bool isDocument() const OVERRIDE FINAL { return true; }
1122
1123 virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0) OVERRIDE;
1124
1125 virtual String nodeName() const OVERRIDE FINAL;
1126 virtual NodeType nodeType() const OVERRIDE FINAL;
1127 virtual bool childTypeAllowed(NodeType) const OVERRIDE FINAL;
1128 virtual PassRefPtrWillBeRawPtr<Node> cloneNode(bool deep = true) OVERRIDE FINAL;
1129 void cloneDataFromDocument(const Document&);
1130
1131 #if !ENABLE(OILPAN)
refExecutionContext()1132 virtual void refExecutionContext() OVERRIDE FINAL { ref(); }
derefExecutionContext()1133 virtual void derefExecutionContext() OVERRIDE FINAL { deref(); }
1134 #endif
1135
1136 virtual const KURL& virtualURL() const OVERRIDE FINAL; // Same as url(), but needed for ExecutionContext to implement it without a performance loss for direct calls.
1137 virtual KURL virtualCompleteURL(const String&) const OVERRIDE FINAL; // Same as completeURL() for the same reason as above.
1138
1139 virtual void reportBlockedScriptExecutionToInspector(const String& directiveText) OVERRIDE FINAL;
1140 virtual void addMessage(MessageSource, MessageLevel, const String& message, const String& sourceURL, unsigned lineNumber, ScriptState*) OVERRIDE FINAL;
1141 void internalAddMessage(MessageSource, MessageLevel, const String& message, const String& sourceURL, unsigned lineNumber, PassRefPtrWillBeRawPtr<ScriptCallStack>, ScriptState*);
1142
1143 virtual double timerAlignmentInterval() const OVERRIDE FINAL;
1144
1145 void updateTitle(const String&);
1146 void updateFocusAppearanceTimerFired(Timer<Document>*);
1147 void updateBaseURL();
1148
1149 void executeScriptsWaitingForResourcesTimerFired(Timer<Document>*);
1150
1151 void loadEventDelayTimerFired(Timer<Document>*);
1152 void pluginLoadingTimerFired(Timer<Document>*);
1153
1154 PageVisibilityState pageVisibilityState() const;
1155
1156 PassRefPtrWillBeRawPtr<HTMLCollection> ensureCachedCollection(CollectionType);
1157
1158 // Note that dispatching a window load event may cause the LocalDOMWindow to be detached from
1159 // the LocalFrame, so callers should take a reference to the LocalDOMWindow (which owns us) to
1160 // prevent the Document from getting blown away from underneath them.
1161 void dispatchWindowLoadEvent();
1162
addListenerType(ListenerType listenerType)1163 void addListenerType(ListenerType listenerType) { m_listenerTypes |= listenerType; }
1164 void addMutationEventListenerTypeIfEnabled(ListenerType);
1165
1166 void didAssociateFormControlsTimerFired(Timer<Document>*);
1167
1168 void clearFocusedElementSoon();
1169 void clearFocusedElementTimerFired(Timer<Document>*);
1170
1171 void processHttpEquivDefaultStyle(const AtomicString& content);
1172 void processHttpEquivRefresh(const AtomicString& content);
1173 void processHttpEquivSetCookie(const AtomicString& content);
1174 void processHttpEquivXFrameOptions(const AtomicString& content);
1175 void processHttpEquivContentSecurityPolicy(const AtomicString& equiv, const AtomicString& content);
1176
1177 void didRemoveTouchEventHandler(Node*, bool clearAll);
1178
1179 bool haveStylesheetsLoaded() const;
1180
1181 void setHoverNode(PassRefPtrWillBeRawPtr<Node>);
hoverNode()1182 Node* hoverNode() const { return m_hoverNode.get(); }
1183
1184 typedef HashSet<OwnPtr<EventFactoryBase> > EventFactorySet;
1185 static EventFactorySet& eventFactories();
1186
1187 DocumentLifecycle m_lifecycle;
1188
1189 bool m_hasNodesWithPlaceholderStyle;
1190 bool m_evaluateMediaQueriesOnStyleRecalc;
1191
1192 // If we do ignore the pending stylesheet count, then we need to add a boolean
1193 // to track that this happened so that we can do a full repaint when the stylesheets
1194 // do eventually load.
1195 PendingSheetLayout m_pendingSheetLayout;
1196
1197 LocalFrame* m_frame;
1198 RawPtrWillBeMember<LocalDOMWindow> m_domWindow;
1199 // FIXME: oilpan: when we get rid of the transition types change the
1200 // HTMLImportsController to not be a DocumentSupplement since it is
1201 // redundant with oilpan.
1202 RawPtrWillBeMember<HTMLImportsController> m_importsController;
1203
1204 RefPtrWillBeMember<ResourceFetcher> m_fetcher;
1205 RefPtrWillBeMember<DocumentParser> m_parser;
1206 unsigned m_activeParserCount;
1207 RefPtrWillBeMember<ContextFeatures> m_contextFeatures;
1208
1209 bool m_wellFormed;
1210
1211 // Document URLs.
1212 KURL m_url; // Document.URL: The URL from which this document was retrieved.
1213 KURL m_baseURL; // Node.baseURI: The URL to use when resolving relative URLs.
1214 KURL m_baseURLOverride; // An alternative base URL that takes precedence over m_baseURL (but not m_baseElementURL).
1215 KURL m_baseElementURL; // The URL set by the <base> element.
1216 KURL m_cookieURL; // The URL to use for cookie access.
1217
1218 AtomicString m_baseTarget;
1219
1220 // Mime-type of the document in case it was cloned or created by XHR.
1221 AtomicString m_mimeType;
1222
1223 RefPtrWillBeMember<DocumentType> m_docType;
1224 OwnPtrWillBeMember<DOMImplementation> m_implementation;
1225
1226 RefPtrWillBeMember<CSSStyleSheet> m_elemSheet;
1227
1228 bool m_printing;
1229 bool m_paginatedForScreen;
1230
1231 CompatibilityMode m_compatibilityMode;
1232 bool m_compatibilityModeLocked; // This is cheaper than making setCompatibilityMode virtual.
1233
1234 Timer<Document> m_executeScriptsWaitingForResourcesTimer;
1235
1236 bool m_hasAutofocused;
1237 Timer<Document> m_clearFocusedElementTimer;
1238 RefPtrWillBeMember<Element> m_autofocusElement;
1239 RefPtrWillBeMember<Element> m_focusedElement;
1240 RefPtrWillBeMember<Node> m_hoverNode;
1241 RefPtrWillBeMember<Element> m_activeHoverElement;
1242 RefPtrWillBeMember<Element> m_documentElement;
1243 UserActionElementSet m_userActionElements;
1244
1245 uint64_t m_domTreeVersion;
1246 static uint64_t s_globalTreeVersion;
1247
1248 WillBeHeapHashSet<RawPtrWillBeWeakMember<NodeIterator> > m_nodeIterators;
1249 typedef WillBeHeapHashSet<RawPtrWillBeWeakMember<Range> > AttachedRangeSet;
1250 AttachedRangeSet m_ranges;
1251
1252 unsigned short m_listenerTypes;
1253
1254 MutationObserverOptions m_mutationObserverTypes;
1255
1256 OwnPtrWillBeMember<StyleEngine> m_styleEngine;
1257 RefPtrWillBeMember<StyleSheetList> m_styleSheetList;
1258
1259 OwnPtrWillBeMember<FormController> m_formController;
1260
1261 TextLinkColors m_textLinkColors;
1262 const OwnPtr<VisitedLinkState> m_visitedLinkState;
1263
1264 bool m_visuallyOrdered;
1265 ReadyState m_readyState;
1266 bool m_isParsing;
1267
1268 bool m_gotoAnchorNeededAfterStylesheetsLoad;
1269 bool m_isDNSPrefetchEnabled;
1270 bool m_haveExplicitlyDisabledDNSPrefetch;
1271 bool m_containsValidityStyleRules;
1272 bool m_updateFocusAppearanceRestoresSelection;
1273 bool m_containsPlugins;
1274
1275 // http://www.whatwg.org/specs/web-apps/current-work/#ignore-destructive-writes-counter
1276 unsigned m_ignoreDestructiveWriteCount;
1277
1278 String m_title;
1279 String m_rawTitle;
1280 bool m_titleSetExplicitly;
1281 RefPtrWillBeMember<Element> m_titleElement;
1282
1283 OwnPtr<AXObjectCache> m_axObjectCache;
1284 OwnPtrWillBeMember<DocumentMarkerController> m_markers;
1285
1286 Timer<Document> m_updateFocusAppearanceTimer;
1287
1288 RawPtrWillBeMember<Element> m_cssTarget;
1289
1290 LoadEventProgress m_loadEventProgress;
1291
1292 double m_startTime;
1293
1294 OwnPtrWillBeMember<ScriptRunner> m_scriptRunner;
1295
1296 WillBeHeapVector<RefPtrWillBeMember<HTMLScriptElement> > m_currentScriptStack;
1297
1298 OwnPtr<TransformSource> m_transformSource;
1299 RefPtrWillBeMember<Document> m_transformSourceDocument;
1300
1301 String m_xmlEncoding;
1302 String m_xmlVersion;
1303 unsigned m_xmlStandalone : 2;
1304 unsigned m_hasXMLDeclaration : 1;
1305
1306 AtomicString m_contentLanguage;
1307
1308 DocumentEncodingData m_encodingData;
1309
1310 InheritedBool m_designMode;
1311
1312 WillBeHeapHashSet<RawPtrWillBeWeakMember<const LiveNodeListBase> > m_listsInvalidatedAtDocument;
1313 #if ENABLE(OILPAN)
1314 // Oilpan keeps track of all registered NodeLists.
1315 //
1316 // FIXME: Oilpan: improve - only need to know if a NodeList
1317 // is currently alive or not for the different types.
1318 HeapHashSet<WeakMember<const LiveNodeListBase> > m_nodeLists[numNodeListInvalidationTypes];
1319 #else
1320 unsigned m_nodeListCounts[numNodeListInvalidationTypes];
1321 #endif
1322
1323 OwnPtrWillBeMember<SVGDocumentExtensions> m_svgExtensions;
1324
1325 Vector<AnnotatedRegionValue> m_annotatedRegions;
1326 bool m_hasAnnotatedRegions;
1327 bool m_annotatedRegionsDirty;
1328
1329 WillBeHeapHashMap<String, RefPtrWillBeMember<HTMLCanvasElement> > m_cssCanvasElements;
1330
1331 OwnPtr<SelectorQueryCache> m_selectorQueryCache;
1332
1333 bool m_useSecureKeyboardEntryWhenActive;
1334
1335 DocumentClassFlags m_documentClasses;
1336
1337 bool m_isViewSource;
1338 bool m_sawElementsInKnownNamespaces;
1339 bool m_isSrcdocDocument;
1340 bool m_isMobileDocument;
1341 bool m_isTransitionDocument;
1342
1343 RenderView* m_renderView;
1344
1345 #if !ENABLE(OILPAN)
1346 WeakPtrFactory<Document> m_weakFactory;
1347 #endif
1348 WeakPtrWillBeWeakMember<Document> m_contextDocument;
1349
1350 bool m_hasFullscreenElementStack; // For early return in FullscreenElementStack::fromIfExists()
1351
1352 WillBeHeapVector<RefPtrWillBeMember<Element> > m_topLayerElements;
1353
1354 int m_loadEventDelayCount;
1355 Timer<Document> m_loadEventDelayTimer;
1356 Timer<Document> m_pluginLoadingTimer;
1357
1358 ViewportDescription m_viewportDescription;
1359 ViewportDescription m_legacyViewportDescription;
1360 Length m_viewportDefaultMinWidth;
1361
1362 bool m_didSetReferrerPolicy;
1363 ReferrerPolicy m_referrerPolicy;
1364
1365 bool m_directionSetOnDocumentElement;
1366 bool m_writingModeSetOnDocumentElement;
1367 DocumentTiming m_documentTiming;
1368 RefPtrWillBeMember<MediaQueryMatcher> m_mediaQueryMatcher;
1369 bool m_writeRecursionIsTooDeep;
1370 unsigned m_writeRecursionDepth;
1371
1372 OwnPtr<TouchEventTargetSet> m_touchEventTargets;
1373
1374 RefPtrWillBeMember<ScriptedAnimationController> m_scriptedAnimationController;
1375 OwnPtr<MainThreadTaskRunner> m_taskRunner;
1376 OwnPtr<TextAutosizer> m_textAutosizer;
1377 OwnPtr<FastTextAutosizer> m_fastTextAutosizer;
1378
1379 RefPtrWillBeMember<CustomElementRegistrationContext> m_registrationContext;
1380
1381 void elementDataCacheClearTimerFired(Timer<Document>*);
1382 Timer<Document> m_elementDataCacheClearTimer;
1383
1384 OwnPtr<ElementDataCache> m_elementDataCache;
1385
1386 #ifndef NDEBUG
1387 bool m_didDispatchViewportPropertiesChanged;
1388 #endif
1389
1390 typedef HashMap<AtomicString, OwnPtr<Locale> > LocaleIdentifierToLocaleMap;
1391 LocaleIdentifierToLocaleMap m_localeCache;
1392
1393 AnimationClock m_animationClock;
1394 RefPtrWillBeMember<AnimationTimeline> m_timeline;
1395 CompositorPendingAnimations m_compositorPendingAnimations;
1396
1397 RefPtrWillBeMember<Document> m_templateDocument;
1398 // With Oilpan the templateDocument and the templateDocumentHost
1399 // live and die together. Without Oilpan, the templateDocumentHost
1400 // is a manually managed backpointer from m_templateDocument.
1401 RawPtrWillBeMember<Document> m_templateDocumentHost;
1402
1403 Timer<Document> m_didAssociateFormControlsTimer;
1404 WillBeHeapHashSet<RefPtrWillBeMember<Element> > m_associatedFormControls;
1405
1406 WillBeHeapHashSet<RawPtrWillBeMember<SVGUseElement> > m_useElementsNeedingUpdate;
1407 WillBeHeapHashSet<RawPtrWillBeMember<Element> > m_layerUpdateSVGFilterElements;
1408
1409 bool m_hasViewportUnits;
1410
1411 typedef WillBeHeapHashSet<RawPtrWillBeWeakMember<DocumentVisibilityObserver> > DocumentVisibilityObserverSet;
1412 DocumentVisibilityObserverSet m_visibilityObservers;
1413
1414 int m_styleRecalcElementCounter;
1415 };
1416
shouldOverrideLegacyDescription(ViewportDescription::Type origin)1417 inline bool Document::shouldOverrideLegacyDescription(ViewportDescription::Type origin)
1418 {
1419 // The different (legacy) meta tags have different priorities based on the type
1420 // regardless of which order they appear in the DOM. The priority is given by the
1421 // ViewportDescription::Type enum.
1422 return origin >= m_legacyViewportDescription.type;
1423 }
1424
scheduleRenderTreeUpdateIfNeeded()1425 inline void Document::scheduleRenderTreeUpdateIfNeeded()
1426 {
1427 // Inline early out to avoid the function calls below.
1428 if (hasPendingStyleRecalc())
1429 return;
1430 if (shouldScheduleRenderTreeUpdate() && needsRenderTreeUpdate())
1431 scheduleRenderTreeUpdate();
1432 }
1433
1434 DEFINE_TYPE_CASTS(Document, ExecutionContextClient, client, client->isDocument(), client.isDocument());
1435 DEFINE_TYPE_CASTS(Document, ExecutionContext, context, context->isDocument(), context.isDocument());
1436 DEFINE_NODE_TYPE_CASTS(Document, isDocumentNode());
1437
1438 #define DEFINE_DOCUMENT_TYPE_CASTS(thisType) \
1439 DEFINE_TYPE_CASTS(thisType, Document, document, document->is##thisType(), document.is##thisType())
1440
1441 // All these varations are needed to avoid ambiguous overloads with the Node and TreeScope versions.
1442 inline bool operator==(const Document& a, const Document& b) { return &a == &b; }
1443 inline bool operator==(const Document& a, const Document* b) { return &a == b; }
1444 inline bool operator==(const Document* a, const Document& b) { return a == &b; }
1445 inline bool operator!=(const Document& a, const Document& b) { return !(a == b); }
1446 inline bool operator!=(const Document& a, const Document* b) { return !(a == b); }
1447 inline bool operator!=(const Document* a, const Document& b) { return !(a == b); }
1448
1449 // Put these methods here, because they require the Document definition, but we really want to inline them.
1450
isDocumentNode()1451 inline bool Node::isDocumentNode() const
1452 {
1453 return this == document();
1454 }
1455
1456 Node* eventTargetNodeForDocument(Document*);
1457
1458 } // namespace WebCore
1459
1460 #endif // Document_h
1461