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 Apple Inc. All rights reserved.
7 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Library General Public
11 * License as published by the Free Software Foundation; either
12 * version 2 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Library General Public License for more details.
18 *
19 * You should have received a copy of the GNU Library General Public License
20 * along with this library; see the file COPYING.LIB. If not, write to
21 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
22 * Boston, MA 02110-1301, USA.
23 *
24 */
25
26 #ifndef Document_h
27 #define Document_h
28
29 #include "CachedResourceHandle.h"
30 #include "CheckedRadioButtons.h"
31 #include "ContainerNode.h"
32 #include "CollectionCache.h"
33 #include "CollectionType.h"
34 #include "Color.h"
35 #include "Document.h"
36 #include "DocumentMarker.h"
37 #include "ScriptExecutionContext.h"
38 #include "Timer.h"
39 #if USE(JSC)
40 #include <runtime/WeakGCMap.h>
41 #endif
42 #include <wtf/HashCountedSet.h>
43 #include <wtf/OwnPtr.h>
44 #include <wtf/PassOwnPtr.h>
45
46 namespace WebCore {
47
48 class Attr;
49 class AXObjectCache;
50 class CDATASection;
51 class CachedCSSStyleSheet;
52 class CachedScript;
53 class CanvasRenderingContext;
54 class CharacterData;
55 class CSSStyleDeclaration;
56 class CSSStyleSelector;
57 class CSSStyleSheet;
58 class Comment;
59 class Database;
60 class DOMImplementation;
61 class DOMSelection;
62 class DOMWindow;
63 class DatabaseThread;
64 class DocLoader;
65 class DocumentFragment;
66 class DocumentType;
67 class DocumentWeakReference;
68 class EditingText;
69 class Element;
70 class EntityReference;
71 class Event;
72 class EventListener;
73 class Frame;
74 class FrameView;
75 class HTMLCanvasElement;
76 class HTMLCollection;
77 class HTMLAllCollection;
78 class HTMLDocument;
79 class HTMLElement;
80 class HTMLFormElement;
81 class HTMLHeadElement;
82 class HTMLInputElement;
83 class HTMLMapElement;
84 class HistoryItem;
85 class HitTestRequest;
86 class InspectorTimelineAgent;
87 class IntPoint;
88 class DOMWrapperWorld;
89 class JSNode;
90 class MouseEventWithHitTestResults;
91 class NodeFilter;
92 class NodeIterator;
93 class Page;
94 class PlatformMouseEvent;
95 class ProcessingInstruction;
96 class Range;
97 class RegisteredEventListener;
98 class RenderArena;
99 class RenderView;
100 class ScriptElementData;
101 class SecurityOrigin;
102 class SerializedScriptValue;
103 class SegmentedString;
104 class Settings;
105 class StyleSheet;
106 class StyleSheetList;
107 class Text;
108 class TextResourceDecoder;
109 class Tokenizer;
110 class TreeWalker;
111 class XMLHttpRequest;
112
113 #if ENABLE(SVG)
114 class SVGDocumentExtensions;
115 #endif
116
117 #if ENABLE(XSLT)
118 class TransformSource;
119 #endif
120
121 #if ENABLE(XBL)
122 class XBLBindingManager;
123 #endif
124
125 #if ENABLE(XPATH)
126 class XPathEvaluator;
127 class XPathExpression;
128 class XPathNSResolver;
129 class XPathResult;
130 #endif
131
132 #if ENABLE(DASHBOARD_SUPPORT)
133 struct DashboardRegionValue;
134 #endif
135
136 #if ENABLE(TOUCH_EVENTS)
137 class Touch;
138 class TouchList;
139 #endif
140
141 typedef int ExceptionCode;
142
143 class FormElementKey {
144 public:
145 FormElementKey(AtomicStringImpl* = 0, AtomicStringImpl* = 0);
146 ~FormElementKey();
147 FormElementKey(const FormElementKey&);
148 FormElementKey& operator=(const FormElementKey&);
149
name()150 AtomicStringImpl* name() const { return m_name; }
type()151 AtomicStringImpl* type() const { return m_type; }
152
153 // Hash table deleted values, which are only constructed and never copied or destroyed.
FormElementKey(WTF::HashTableDeletedValueType)154 FormElementKey(WTF::HashTableDeletedValueType) : m_name(hashTableDeletedValue()) { }
isHashTableDeletedValue()155 bool isHashTableDeletedValue() const { return m_name == hashTableDeletedValue(); }
156
157 private:
158 void ref() const;
159 void deref() const;
160
hashTableDeletedValue()161 static AtomicStringImpl* hashTableDeletedValue() { return reinterpret_cast<AtomicStringImpl*>(-1); }
162
163 AtomicStringImpl* m_name;
164 AtomicStringImpl* m_type;
165 };
166
167 inline bool operator==(const FormElementKey& a, const FormElementKey& b)
168 {
169 return a.name() == b.name() && a.type() == b.type();
170 }
171
172 struct FormElementKeyHash {
173 static unsigned hash(const FormElementKey&);
equalFormElementKeyHash174 static bool equal(const FormElementKey& a, const FormElementKey& b) { return a == b; }
175 static const bool safeToCompareToEmptyOrDeleted = true;
176 };
177
178 struct FormElementKeyHashTraits : WTF::GenericHashTraits<FormElementKey> {
constructDeletedValueFormElementKeyHashTraits179 static void constructDeletedValue(FormElementKey& slot) { new (&slot) FormElementKey(WTF::HashTableDeletedValue); }
isDeletedValueFormElementKeyHashTraits180 static bool isDeletedValue(const FormElementKey& value) { return value.isHashTableDeletedValue(); }
181 };
182
183 class Document : public ContainerNode, public ScriptExecutionContext {
184 public:
create(Frame * frame)185 static PassRefPtr<Document> create(Frame* frame)
186 {
187 return adoptRef(new Document(frame, false, false));
188 }
createXHTML(Frame * frame)189 static PassRefPtr<Document> createXHTML(Frame* frame)
190 {
191 return adoptRef(new Document(frame, true, false));
192 }
193 virtual ~Document();
194
195 using ContainerNode::ref;
196 using ContainerNode::deref;
197
198 // Nodes belonging to this document hold "self-only" references -
199 // these are enough to keep the document from being destroyed, but
200 // not enough to keep it from removing its children. This allows a
201 // node that outlives its document to still have a valid document
202 // pointer without introducing reference cycles
203
selfOnlyRef()204 void selfOnlyRef()
205 {
206 ASSERT(!m_deletionHasBegun);
207 ++m_selfOnlyRefCount;
208 }
selfOnlyDeref()209 void selfOnlyDeref()
210 {
211 ASSERT(!m_deletionHasBegun);
212 --m_selfOnlyRefCount;
213 if (!m_selfOnlyRefCount && !refCount()) {
214 #ifndef NDEBUG
215 m_deletionHasBegun = true;
216 #endif
217 delete this;
218 }
219 }
220
221 // DOM methods & attributes for Document
222
223 DEFINE_ATTRIBUTE_EVENT_LISTENER(abort);
224 DEFINE_ATTRIBUTE_EVENT_LISTENER(change);
225 DEFINE_ATTRIBUTE_EVENT_LISTENER(click);
226 DEFINE_ATTRIBUTE_EVENT_LISTENER(contextmenu);
227 DEFINE_ATTRIBUTE_EVENT_LISTENER(dblclick);
228 DEFINE_ATTRIBUTE_EVENT_LISTENER(dragenter);
229 DEFINE_ATTRIBUTE_EVENT_LISTENER(dragover);
230 DEFINE_ATTRIBUTE_EVENT_LISTENER(dragleave);
231 DEFINE_ATTRIBUTE_EVENT_LISTENER(drop);
232 DEFINE_ATTRIBUTE_EVENT_LISTENER(dragstart);
233 DEFINE_ATTRIBUTE_EVENT_LISTENER(drag);
234 DEFINE_ATTRIBUTE_EVENT_LISTENER(dragend);
235 DEFINE_ATTRIBUTE_EVENT_LISTENER(input);
236 DEFINE_ATTRIBUTE_EVENT_LISTENER(invalid);
237 DEFINE_ATTRIBUTE_EVENT_LISTENER(keydown);
238 DEFINE_ATTRIBUTE_EVENT_LISTENER(keypress);
239 DEFINE_ATTRIBUTE_EVENT_LISTENER(keyup);
240 DEFINE_ATTRIBUTE_EVENT_LISTENER(mousedown);
241 DEFINE_ATTRIBUTE_EVENT_LISTENER(mousemove);
242 DEFINE_ATTRIBUTE_EVENT_LISTENER(mouseout);
243 DEFINE_ATTRIBUTE_EVENT_LISTENER(mouseover);
244 DEFINE_ATTRIBUTE_EVENT_LISTENER(mouseup);
245 DEFINE_ATTRIBUTE_EVENT_LISTENER(mousewheel);
246 DEFINE_ATTRIBUTE_EVENT_LISTENER(scroll);
247 DEFINE_ATTRIBUTE_EVENT_LISTENER(select);
248 DEFINE_ATTRIBUTE_EVENT_LISTENER(submit);
249
250 DEFINE_ATTRIBUTE_EVENT_LISTENER(blur);
251 DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
252 DEFINE_ATTRIBUTE_EVENT_LISTENER(focus);
253 DEFINE_ATTRIBUTE_EVENT_LISTENER(load);
254
255 // WebKit extensions
256 DEFINE_ATTRIBUTE_EVENT_LISTENER(beforecut);
257 DEFINE_ATTRIBUTE_EVENT_LISTENER(cut);
258 DEFINE_ATTRIBUTE_EVENT_LISTENER(beforecopy);
259 DEFINE_ATTRIBUTE_EVENT_LISTENER(copy);
260 DEFINE_ATTRIBUTE_EVENT_LISTENER(beforepaste);
261 DEFINE_ATTRIBUTE_EVENT_LISTENER(paste);
262 DEFINE_ATTRIBUTE_EVENT_LISTENER(reset);
263 DEFINE_ATTRIBUTE_EVENT_LISTENER(search);
264 DEFINE_ATTRIBUTE_EVENT_LISTENER(selectstart);
265 #if ENABLE(TOUCH_EVENTS)
266 DEFINE_ATTRIBUTE_EVENT_LISTENER(touchstart);
267 DEFINE_ATTRIBUTE_EVENT_LISTENER(touchmove);
268 DEFINE_ATTRIBUTE_EVENT_LISTENER(touchend);
269 DEFINE_ATTRIBUTE_EVENT_LISTENER(touchcancel);
270 #endif
271
doctype()272 DocumentType* doctype() const { return m_docType.get(); }
273
274 DOMImplementation* implementation() const;
275
documentElement()276 Element* documentElement() const
277 {
278 if (!m_documentElement)
279 cacheDocumentElement();
280 return m_documentElement.get();
281 }
282
283 virtual PassRefPtr<Element> createElement(const AtomicString& tagName, ExceptionCode&);
284 PassRefPtr<DocumentFragment> createDocumentFragment();
285 PassRefPtr<Text> createTextNode(const String& data);
286 PassRefPtr<Comment> createComment(const String& data);
287 PassRefPtr<CDATASection> createCDATASection(const String& data, ExceptionCode&);
288 PassRefPtr<ProcessingInstruction> createProcessingInstruction(const String& target, const String& data, ExceptionCode&);
289 PassRefPtr<Attr> createAttribute(const String& name, ExceptionCode&);
290 PassRefPtr<Attr> createAttributeNS(const String& namespaceURI, const String& qualifiedName, ExceptionCode&, bool shouldIgnoreNamespaceChecks = false);
291 PassRefPtr<EntityReference> createEntityReference(const String& name, ExceptionCode&);
292 PassRefPtr<Node> importNode(Node* importedNode, bool deep, ExceptionCode&);
293 virtual PassRefPtr<Element> createElementNS(const String& namespaceURI, const String& qualifiedName, ExceptionCode&);
294 PassRefPtr<Element> createElement(const QualifiedName&, bool createdByParser);
295 Element* getElementById(const AtomicString&) const;
296 bool hasElementWithId(AtomicStringImpl* id) const;
containsMultipleElementsWithId(const AtomicString & elementId)297 bool containsMultipleElementsWithId(const AtomicString& elementId) { return m_duplicateIds.contains(elementId.impl()); }
298
299 Element* elementFromPoint(int x, int y) const;
300 PassRefPtr<Range> caretRangeFromPoint(int x, int y);
301
302 String readyState() const;
303
304 String defaultCharset() const;
305
306 // Synonyms backing similar DOM attributes. Use Document::encoding() to avoid virtual dispatch.
inputEncoding()307 String inputEncoding() const { return Document::encoding(); }
charset()308 String charset() const { return Document::encoding(); }
characterSet()309 String characterSet() const { return Document::encoding(); }
310
311 void setCharset(const String&);
312
contentLanguage()313 String contentLanguage() const { return m_contentLanguage; }
setContentLanguage(const String & lang)314 void setContentLanguage(const String& lang) { m_contentLanguage = lang; }
315
xmlEncoding()316 String xmlEncoding() const { return m_xmlEncoding; }
xmlVersion()317 String xmlVersion() const { return m_xmlVersion; }
xmlStandalone()318 bool xmlStandalone() const { return m_xmlStandalone; }
319
setXMLEncoding(const String & encoding)320 void setXMLEncoding(const String& encoding) { m_xmlEncoding = encoding; } // read-only property, only to be set from XMLTokenizer
321 void setXMLVersion(const String&, ExceptionCode&);
322 void setXMLStandalone(bool, ExceptionCode&);
323
documentURI()324 String documentURI() const { return m_documentURI; }
325 void setDocumentURI(const String&);
326
327 virtual KURL baseURI() const;
328
329 PassRefPtr<Node> adoptNode(PassRefPtr<Node> source, ExceptionCode&);
330
331 PassRefPtr<HTMLCollection> images();
332 PassRefPtr<HTMLCollection> embeds();
333 PassRefPtr<HTMLCollection> plugins(); // an alias for embeds() required for the JS DOM bindings.
334 PassRefPtr<HTMLCollection> applets();
335 PassRefPtr<HTMLCollection> links();
336 PassRefPtr<HTMLCollection> forms();
337 PassRefPtr<HTMLCollection> anchors();
338 PassRefPtr<HTMLCollection> objects();
339 PassRefPtr<HTMLCollection> scripts();
340 PassRefPtr<HTMLCollection> windowNamedItems(const String& name);
341 PassRefPtr<HTMLCollection> documentNamedItems(const String& name);
342
343 PassRefPtr<HTMLAllCollection> all();
344
345 // Find first anchor with the given name.
346 // First searches for an element with the given ID, but if that fails, then looks
347 // for an anchor with the given name. ID matching is always case sensitive, but
348 // Anchor name matching is case sensitive in strict mode and not case sensitive in
349 // quirks mode for historical compatibility reasons.
350 Element* findAnchor(const String& name);
351
collectionInfo(CollectionType type)352 CollectionCache* collectionInfo(CollectionType type)
353 {
354 ASSERT(type >= FirstUnnamedDocumentCachedType);
355 unsigned index = type - FirstUnnamedDocumentCachedType;
356 ASSERT(index < NumUnnamedDocumentCachedTypes);
357 m_collectionInfo[index].checkConsistency();
358 return &m_collectionInfo[index];
359 }
360
361 CollectionCache* nameCollectionInfo(CollectionType, const AtomicString& name);
362
363 // Other methods (not part of DOM)
isHTMLDocument()364 bool isHTMLDocument() const { return m_isHTML; }
isImageDocument()365 virtual bool isImageDocument() const { return false; }
366 #if ENABLE(SVG)
isSVGDocument()367 virtual bool isSVGDocument() const { return false; }
368 #else
isSVGDocument()369 static bool isSVGDocument() { return false; }
370 #endif
isPluginDocument()371 virtual bool isPluginDocument() const { return false; }
isMediaDocument()372 virtual bool isMediaDocument() const { return false; }
373 #if ENABLE(WML)
isWMLDocument()374 virtual bool isWMLDocument() const { return false; }
375 #endif
376 #if ENABLE(XHTMLMP)
377 bool isXHTMLMPDocument() const;
shouldProcessNoscriptElement()378 bool shouldProcessNoscriptElement() const { return m_shouldProcessNoScriptElement; }
setShouldProcessNoscriptElement(bool shouldDo)379 void setShouldProcessNoscriptElement(bool shouldDo) { m_shouldProcessNoScriptElement = shouldDo; }
380 #endif
isFrameSet()381 virtual bool isFrameSet() const { return false; }
382
styleSelector()383 CSSStyleSelector* styleSelector()
384 {
385 if (!m_styleSelector)
386 createStyleSelector();
387 return m_styleSelector.get();
388 }
389
390 Element* getElementByAccessKey(const String& key) const;
391
392 /**
393 * Updates the pending sheet count and then calls updateStyleSelector.
394 */
395 void removePendingSheet();
396
397 /**
398 * This method returns true if all top-level stylesheets have loaded (including
399 * any @imports that they may be loading).
400 */
haveStylesheetsLoaded()401 bool haveStylesheetsLoaded() const
402 {
403 return m_pendingStylesheets <= 0 || m_ignorePendingStylesheets;
404 }
405
406 /**
407 * Increments the number of pending sheets. The <link> elements
408 * invoke this to add themselves to the loading list.
409 */
addPendingSheet()410 void addPendingSheet() { m_pendingStylesheets++; }
411
412 void addStyleSheetCandidateNode(Node*, bool createdByParser);
413 void removeStyleSheetCandidateNode(Node*);
414
gotoAnchorNeededAfterStylesheetsLoad()415 bool gotoAnchorNeededAfterStylesheetsLoad() { return m_gotoAnchorNeededAfterStylesheetsLoad; }
setGotoAnchorNeededAfterStylesheetsLoad(bool b)416 void setGotoAnchorNeededAfterStylesheetsLoad(bool b) { m_gotoAnchorNeededAfterStylesheetsLoad = b; }
417
418 /**
419 * Called when one or more stylesheets in the document may have been added, removed or changed.
420 *
421 * Creates a new style selector and assign it to this document. This is done by iterating through all nodes in
422 * document (or those before <BODY> in a HTML document), searching for stylesheets. Stylesheets can be contained in
423 * <LINK>, <STYLE> or <BODY> elements, as well as processing instructions (XML documents only). A list is
424 * constructed from these which is used to create the a new style selector which collates all of the stylesheets
425 * found and is used to calculate the derived styles for all rendering objects.
426 */
427 void updateStyleSelector();
428
429 void recalcStyleSelector();
430
usesDescendantRules()431 bool usesDescendantRules() const { return m_usesDescendantRules; }
setUsesDescendantRules(bool b)432 void setUsesDescendantRules(bool b) { m_usesDescendantRules = b; }
usesSiblingRules()433 bool usesSiblingRules() const { return m_usesSiblingRules; }
setUsesSiblingRules(bool b)434 void setUsesSiblingRules(bool b) { m_usesSiblingRules = b; }
usesFirstLineRules()435 bool usesFirstLineRules() const { return m_usesFirstLineRules; }
setUsesFirstLineRules(bool b)436 void setUsesFirstLineRules(bool b) { m_usesFirstLineRules = b; }
usesFirstLetterRules()437 bool usesFirstLetterRules() const { return m_usesFirstLetterRules; }
setUsesFirstLetterRules(bool b)438 void setUsesFirstLetterRules(bool b) { m_usesFirstLetterRules = b; }
usesBeforeAfterRules()439 bool usesBeforeAfterRules() const { return m_usesBeforeAfterRules; }
setUsesBeforeAfterRules(bool b)440 void setUsesBeforeAfterRules(bool b) { m_usesBeforeAfterRules = b; }
usesRemUnits()441 bool usesRemUnits() const { return m_usesRemUnits; }
setUsesRemUnits(bool b)442 void setUsesRemUnits(bool b) { m_usesRemUnits = b; }
443
444 // Machinery for saving and restoring state when you leave and then go back to a page.
registerFormElementWithState(Element * e)445 void registerFormElementWithState(Element* e) { m_formElementsWithState.add(e); }
unregisterFormElementWithState(Element * e)446 void unregisterFormElementWithState(Element* e) { m_formElementsWithState.remove(e); }
447 Vector<String> formElementsState() const;
448 void setStateForNewFormElements(const Vector<String>&);
449 bool hasStateForNewFormElements() const;
450 bool takeStateForFormElement(AtomicStringImpl* name, AtomicStringImpl* type, String& state);
451
452 FrameView* view() const; // can be NULL
frame()453 Frame* frame() const { return m_frame; } // can be NULL
454 Page* page() const; // can be NULL
455 Settings* settings() const; // can be NULL
456 #if ENABLE(INSPECTOR)
457 InspectorTimelineAgent* inspectorTimelineAgent() const; // can be NULL
458 #endif
459
460 PassRefPtr<Range> createRange();
461
462 PassRefPtr<NodeIterator> createNodeIterator(Node* root, unsigned whatToShow,
463 PassRefPtr<NodeFilter>, bool expandEntityReferences, ExceptionCode&);
464
465 PassRefPtr<TreeWalker> createTreeWalker(Node* root, unsigned whatToShow,
466 PassRefPtr<NodeFilter>, bool expandEntityReferences, ExceptionCode&);
467
468 // Special support for editing
469 PassRefPtr<CSSStyleDeclaration> createCSSStyleDeclaration();
470 PassRefPtr<EditingText> createEditingTextNode(const String&);
471
472 virtual void recalcStyle(StyleChange = NoChange);
473 bool childNeedsAndNotInStyleRecalc();
474 virtual void updateStyleIfNeeded();
475 void updateLayout();
476 void updateLayoutIgnorePendingStylesheets();
477 static void updateStyleForAllDocuments(); // FIXME: Try to reduce the # of calls to this function.
docLoader()478 DocLoader* docLoader() { return m_docLoader.get(); }
479
480 virtual void attach();
481 virtual void detach();
482
renderArena()483 RenderArena* renderArena() { return m_renderArena.get(); }
484
485 RenderView* renderView() const;
486
487 void clearAXObjectCache();
488 AXObjectCache* axObjectCache() const;
489
490 // to get visually ordered hebrew and arabic pages right
491 void setVisuallyOrdered();
visuallyOrdered()492 bool visuallyOrdered() const { return m_visuallyOrdered; }
493
494 void open(Document* ownerDocument = 0);
495 void implicitOpen();
496 void close();
497 void implicitClose();
498 void cancelParsing();
499
500 void write(const SegmentedString& text, Document* ownerDocument = 0);
501 void write(const String& text, Document* ownerDocument = 0);
502 void writeln(const String& text, Document* ownerDocument = 0);
503 void finishParsing();
504
wellFormed()505 bool wellFormed() const { return m_wellFormed; }
506
url()507 const KURL& url() const { return m_url; }
508 void setURL(const KURL&);
509
baseURL()510 const KURL& baseURL() const { return m_baseURL; }
511 // Setting the BaseElementURL will change the baseURL.
512 void setBaseElementURL(const KURL&);
513
baseTarget()514 const String& baseTarget() const { return m_baseTarget; }
515 // Setting the BaseElementTarget will change the baseTarget.
setBaseElementTarget(const String & baseTarget)516 void setBaseElementTarget(const String& baseTarget) { m_baseTarget = baseTarget; }
517
518 KURL completeURL(const String&) const;
519
520 virtual String userAgent(const KURL&) const;
521
522 CSSStyleSheet* pageUserSheet();
523 void clearPageUserSheet();
524
525 const Vector<RefPtr<CSSStyleSheet> >* pageGroupUserSheets() const;
526 void clearPageGroupUserSheets();
527
528 CSSStyleSheet* elementSheet();
529 CSSStyleSheet* mappedElementSheet();
530
531 virtual Tokenizer* createTokenizer();
tokenizer()532 Tokenizer* tokenizer() { return m_tokenizer.get(); }
533
printing()534 bool printing() const { return m_printing; }
setPrinting(bool p)535 void setPrinting(bool p) { m_printing = p; }
536
537 enum ParseMode { Compat, AlmostStrict, Strict };
538
setParseMode(ParseMode m)539 void setParseMode(ParseMode m) { m_parseMode = m; }
parseMode()540 ParseMode parseMode() const { return m_parseMode; }
541
inCompatMode()542 bool inCompatMode() const { return m_parseMode == Compat; }
inAlmostStrictMode()543 bool inAlmostStrictMode() const { return m_parseMode == AlmostStrict; }
inStrictMode()544 bool inStrictMode() const { return m_parseMode == Strict; }
545
546 void setParsing(bool);
parsing()547 bool parsing() const { return m_bParsing; }
548 int minimumLayoutDelay();
549
550 // This method is used by Android.
setExtraLayoutDelay(int delay)551 void setExtraLayoutDelay(int delay) { m_extraLayoutDelay = delay; }
552
553 bool shouldScheduleLayout();
554 int elapsedTime() const;
555
setTextColor(const Color & color)556 void setTextColor(const Color& color) { m_textColor = color; }
textColor()557 Color textColor() const { return m_textColor; }
558
linkColor()559 const Color& linkColor() const { return m_linkColor; }
visitedLinkColor()560 const Color& visitedLinkColor() const { return m_visitedLinkColor; }
activeLinkColor()561 const Color& activeLinkColor() const { return m_activeLinkColor; }
setLinkColor(const Color & c)562 void setLinkColor(const Color& c) { m_linkColor = c; }
setVisitedLinkColor(const Color & c)563 void setVisitedLinkColor(const Color& c) { m_visitedLinkColor = c; }
setActiveLinkColor(const Color & c)564 void setActiveLinkColor(const Color& c) { m_activeLinkColor = c; }
565 void resetLinkColor();
566 void resetVisitedLinkColor();
567 void resetActiveLinkColor();
568
569 MouseEventWithHitTestResults prepareMouseEvent(const HitTestRequest&, const IntPoint&, const PlatformMouseEvent&);
570
571 StyleSheetList* styleSheets();
572
573 /* Newly proposed CSS3 mechanism for selecting alternate
574 stylesheets using the DOM. May be subject to change as
575 spec matures. - dwh
576 */
577 String preferredStylesheetSet() const;
578 String selectedStylesheetSet() const;
579 void setSelectedStylesheetSet(const String&);
580
581 bool setFocusedNode(PassRefPtr<Node>);
focusedNode()582 Node* focusedNode() const { return m_focusedNode.get(); }
583
584 void getFocusableNodes(Vector<RefPtr<Node> >&);
585
586 // The m_ignoreAutofocus flag specifies whether or not the document has been changed by the user enough
587 // for WebCore to ignore the autofocus attribute on any form controls
ignoreAutofocus()588 bool ignoreAutofocus() const { return m_ignoreAutofocus; };
589 void setIgnoreAutofocus(bool shouldIgnore = true) { m_ignoreAutofocus = shouldIgnore; };
590
591 void setHoverNode(PassRefPtr<Node>);
hoverNode()592 Node* hoverNode() const { return m_hoverNode.get(); }
593
594 void setActiveNode(PassRefPtr<Node>);
activeNode()595 Node* activeNode() const { return m_activeNode.get(); }
596
597 void focusedNodeRemoved();
598 void removeFocusedNodeOfSubtree(Node*, bool amongChildrenOnly = false);
599 void hoveredNodeDetached(Node*);
600 void activeChainNodeDetached(Node*);
601
602 // Updates for :target (CSS3 selector).
603 void setCSSTarget(Element*);
cssTarget()604 Element* cssTarget() const { return m_cssTarget; }
605
606 void scheduleStyleRecalc();
607 void unscheduleStyleRecalc();
608 void styleRecalcTimerFired(Timer<Document>*);
609
610 void attachNodeIterator(NodeIterator*);
611 void detachNodeIterator(NodeIterator*);
612
613 void attachRange(Range*);
614 void detachRange(Range*);
615
616 void nodeChildrenChanged(ContainerNode*);
617 void nodeWillBeRemoved(Node*);
618
619 void textInserted(Node*, unsigned offset, unsigned length);
620 void textRemoved(Node*, unsigned offset, unsigned length);
621 void textNodesMerged(Text* oldNode, unsigned offset);
622 void textNodeSplit(Text* oldNode);
623
defaultView()624 DOMWindow* defaultView() const { return domWindow(); }
625 DOMWindow* domWindow() const;
626
627 // Helper functions for forwarding DOMWindow event related tasks to the DOMWindow if it exists.
628 void setWindowAttributeEventListener(const AtomicString& eventType, PassRefPtr<EventListener>);
629 EventListener* getWindowAttributeEventListener(const AtomicString& eventType);
630 void dispatchWindowEvent(PassRefPtr<Event>, PassRefPtr<EventTarget> = 0);
631 void dispatchWindowLoadEvent();
632
633 void enqueueStorageEvent(PassRefPtr<Event>);
634 void storageEventTimerFired(Timer<Document>*);
635
636 PassRefPtr<Event> createEvent(const String& eventType, ExceptionCode&);
637
638 // keep track of what types of event listeners are registered, so we don't
639 // dispatch events unnecessarily
640 enum ListenerType {
641 DOMSUBTREEMODIFIED_LISTENER = 0x01,
642 DOMNODEINSERTED_LISTENER = 0x02,
643 DOMNODEREMOVED_LISTENER = 0x04,
644 DOMNODEREMOVEDFROMDOCUMENT_LISTENER = 0x08,
645 DOMNODEINSERTEDINTODOCUMENT_LISTENER = 0x10,
646 DOMATTRMODIFIED_LISTENER = 0x20,
647 DOMCHARACTERDATAMODIFIED_LISTENER = 0x40,
648 OVERFLOWCHANGED_LISTENER = 0x80,
649 ANIMATIONEND_LISTENER = 0x100,
650 ANIMATIONSTART_LISTENER = 0x200,
651 ANIMATIONITERATION_LISTENER = 0x400,
652 TRANSITIONEND_LISTENER = 0x800,
653 BEFORELOAD_LISTENER = 0x1000,
654 TOUCH_LISTENER = 0x2000
655 };
656
hasListenerType(ListenerType listenerType)657 bool hasListenerType(ListenerType listenerType) const { return (m_listenerTypes & listenerType); }
addListenerType(ListenerType listenerType)658 void addListenerType(ListenerType listenerType) { m_listenerTypes = m_listenerTypes | listenerType; }
659 void addListenerTypeIfNeeded(const AtomicString& eventType);
660
661 CSSStyleDeclaration* getOverrideStyle(Element*, const String& pseudoElt);
662
663 /**
664 * Searches through the document, starting from fromNode, for the next selectable element that comes after fromNode.
665 * The order followed is as specified in section 17.11.1 of the HTML4 spec, which is elements with tab indexes
666 * first (from lowest to highest), and then elements without tab indexes (in document order).
667 *
668 * @param fromNode The node from which to start searching. The node after this will be focused. May be null.
669 *
670 * @return The focus node that comes after fromNode
671 *
672 * See http://www.w3.org/TR/html4/interact/forms.html#h-17.11.1
673 */
674 Node* nextFocusableNode(Node* start, KeyboardEvent*);
675
676 /**
677 * Searches through the document, starting from fromNode, for the previous selectable element (that comes _before_)
678 * fromNode. The order followed is as specified in section 17.11.1 of the HTML4 spec, which is elements with tab
679 * indexes first (from lowest to highest), and then elements without tab indexes (in document order).
680 *
681 * @param fromNode The node from which to start searching. The node before this will be focused. May be null.
682 *
683 * @return The focus node that comes before fromNode
684 *
685 * See http://www.w3.org/TR/html4/interact/forms.html#h-17.11.1
686 */
687 Node* previousFocusableNode(Node* start, KeyboardEvent*);
688
689 int nodeAbsIndex(Node*);
690 Node* nodeWithAbsIndex(int absIndex);
691
692 /**
693 * Handles a HTTP header equivalent set by a meta tag using <meta http-equiv="..." content="...">. This is called
694 * when a meta tag is encountered during document parsing, and also when a script dynamically changes or adds a meta
695 * tag. This enables scripts to use meta tags to perform refreshes and set expiry dates in addition to them being
696 * specified in a HTML file.
697 *
698 * @param equiv The http header name (value of the meta tag's "equiv" attribute)
699 * @param content The header value (value of the meta tag's "content" attribute)
700 */
701 void processHttpEquiv(const String& equiv, const String& content);
702
703 #ifdef ANDROID_META_SUPPORT
704 /**
705 * Handles viewport like <meta name = "viewport" content = "width = device-width">
706 * or format-detection like <meta name = "format-detection" content = "telephone=no">
707 */
708 void processMetadataSettings(const String& content);
709 #endif
710
711 // Returns the owning element in the parent document.
712 // Returns 0 if this is the top level document.
713 Element* ownerElement() const;
714
title()715 String title() const { return m_title; }
716 void setTitle(const String&, Element* titleElement = 0);
717 void removeTitle(Element* titleElement);
718
719 String cookie(ExceptionCode&) const;
720 void setCookie(const String&, ExceptionCode&);
721
722 String referrer() const;
723
724 String domain() const;
725 void setDomain(const String& newDomain, ExceptionCode&);
726
727 String lastModified() const;
728
cookieURL()729 const KURL& cookieURL() const { return m_cookieURL; }
730
firstPartyForCookies()731 const KURL& firstPartyForCookies() const { return m_firstPartyForCookies; }
setFirstPartyForCookies(const KURL & url)732 void setFirstPartyForCookies(const KURL& url) { m_firstPartyForCookies = url; }
733
734 // The following implements the rule from HTML 4 for what valid names are.
735 // To get this right for all the XML cases, we probably have to improve this or move it
736 // and make it sensitive to the type of document.
737 static bool isValidName(const String&);
738
739 // The following breaks a qualified name into a prefix and a local name.
740 // It also does a validity check, and returns false if the qualified name
741 // is invalid. It also sets ExceptionCode when name is invalid.
742 static bool parseQualifiedName(const String& qualifiedName, String& prefix, String& localName, ExceptionCode&);
743
744 // Checks to make sure prefix and namespace do not conflict (per DOM Core 3)
745 static bool hasPrefixNamespaceMismatch(const QualifiedName&);
746
747 void addElementById(const AtomicString& elementId, Element *element);
748 void removeElementById(const AtomicString& elementId, Element *element);
749
750 void addImageMap(HTMLMapElement*);
751 void removeImageMap(HTMLMapElement*);
752 HTMLMapElement* getImageMap(const String& url) const;
753
754 HTMLElement* body() const;
755 void setBody(PassRefPtr<HTMLElement>, ExceptionCode&);
756
757 HTMLHeadElement* head();
758
759 bool execCommand(const String& command, bool userInterface = false, const String& value = String());
760 bool queryCommandEnabled(const String& command);
761 bool queryCommandIndeterm(const String& command);
762 bool queryCommandState(const String& command);
763 bool queryCommandSupported(const String& command);
764 String queryCommandValue(const String& command);
765
766 void addMarker(Range*, DocumentMarker::MarkerType, String description = String());
767 void addMarker(Node*, DocumentMarker);
768 void copyMarkers(Node *srcNode, unsigned startOffset, int length, Node *dstNode, int delta, DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
769 void removeMarkers(Range*, DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
770 void removeMarkers(Node*, unsigned startOffset, int length, DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
771 void removeMarkers(DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
772 void removeMarkers(Node*);
773 void repaintMarkers(DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
774 void setRenderedRectForMarker(Node*, const DocumentMarker&, const IntRect&);
775 void invalidateRenderedRectsForMarkersInRect(const IntRect&);
776 void shiftMarkers(Node*, unsigned startOffset, int delta, DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
777 void setMarkersActive(Range*, bool);
778 void setMarkersActive(Node*, unsigned startOffset, unsigned endOffset, bool);
779
780 DocumentMarker* markerContainingPoint(const IntPoint&, DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
781 Vector<DocumentMarker> markersForNode(Node*);
782 Vector<IntRect> renderedRectsForMarkers(DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
783
784 // designMode support
785 enum InheritedBool { off = false, on = true, inherit };
786 void setDesignMode(InheritedBool value);
787 InheritedBool getDesignMode() const;
788 bool inDesignMode() const;
789
790 Document* parentDocument() const;
791 Document* topDocument() const;
792
docID()793 int docID() const { return m_docID; }
794
795 void executeScriptSoon(ScriptElementData*, CachedResourceHandle<CachedScript>);
796
797 #if ENABLE(XSLT)
798 void applyXSLTransform(ProcessingInstruction* pi);
transformSourceDocument()799 PassRefPtr<Document> transformSourceDocument() { return m_transformSourceDocument; }
setTransformSourceDocument(Document * doc)800 void setTransformSourceDocument(Document* doc) { m_transformSourceDocument = doc; }
801
802 void setTransformSource(PassOwnPtr<TransformSource>);
transformSource()803 TransformSource* transformSource() const { return m_transformSource.get(); }
804 #endif
805
806 #if ENABLE(XBL)
807 // XBL methods
bindingManager()808 XBLBindingManager* bindingManager() const { return m_bindingManager.get(); }
809 #endif
810
incDOMTreeVersion()811 void incDOMTreeVersion() { ++m_domtree_version; }
domTreeVersion()812 unsigned domTreeVersion() const { return m_domtree_version; }
813
814 void setDocType(PassRefPtr<DocumentType>);
815
816 #if ENABLE(XPATH)
817 // XPathEvaluator methods
818 PassRefPtr<XPathExpression> createExpression(const String& expression,
819 XPathNSResolver* resolver,
820 ExceptionCode& ec);
821 PassRefPtr<XPathNSResolver> createNSResolver(Node *nodeResolver);
822 PassRefPtr<XPathResult> evaluate(const String& expression,
823 Node* contextNode,
824 XPathNSResolver* resolver,
825 unsigned short type,
826 XPathResult* result,
827 ExceptionCode& ec);
828 #endif // ENABLE(XPATH)
829
830 enum PendingSheetLayout { NoLayoutWithPendingSheets, DidLayoutWithPendingSheets, IgnoreLayoutWithPendingSheets };
831
didLayoutWithPendingStylesheets()832 bool didLayoutWithPendingStylesheets() const { return m_pendingSheetLayout == DidLayoutWithPendingSheets; }
833
setHasNodesWithPlaceholderStyle()834 void setHasNodesWithPlaceholderStyle() { m_hasNodesWithPlaceholderStyle = true; }
835
iconURL()836 const String& iconURL() const { return m_iconURL; }
837 void setIconURL(const String& iconURL, const String& type);
838
839 void setUseSecureKeyboardEntryWhenActive(bool);
840 bool useSecureKeyboardEntryWhenActive() const;
841
addNodeListCache()842 void addNodeListCache() { ++m_numNodeListCaches; }
removeNodeListCache()843 void removeNodeListCache() { ASSERT(m_numNodeListCaches > 0); --m_numNodeListCaches; }
hasNodeListCaches()844 bool hasNodeListCaches() const { return m_numNodeListCaches; }
845
846 void updateFocusAppearanceSoon(bool restorePreviousSelection);
847 void cancelFocusAppearanceUpdate();
848
849 // FF method for accessing the selection added for compatibility.
850 DOMSelection* getSelection() const;
851
852 // Extension for manipulating canvas drawing contexts for use in CSS
853 CanvasRenderingContext* getCSSCanvasContext(const String& type, const String& name, int width, int height);
854 HTMLCanvasElement* getCSSCanvasElement(const String& name);
855
isDNSPrefetchEnabled()856 bool isDNSPrefetchEnabled() const { return m_isDNSPrefetchEnabled; }
857 void parseDNSPrefetchControlHeader(const String&);
858
859 virtual void reportException(const String& errorMessage, int lineNumber, const String& sourceURL);
860 virtual void addMessage(MessageDestination, MessageSource, MessageType, MessageLevel, const String& message, unsigned lineNumber, const String& sourceURL);
861 virtual void resourceRetrievedByXMLHttpRequest(unsigned long identifier, const ScriptString& sourceString);
862 virtual void scriptImported(unsigned long, const String&);
863 virtual void postTask(PassOwnPtr<Task>); // Executes the task on context's thread asynchronously.
864
865 #if USE(JSC)
866 typedef JSC::WeakGCMap<WebCore::Node*, JSNode*> JSWrapperCache;
867 typedef HashMap<DOMWrapperWorld*, JSWrapperCache*> JSWrapperCacheMap;
wrapperCacheMap()868 JSWrapperCacheMap& wrapperCacheMap() { return m_wrapperCacheMap; }
869 JSWrapperCache* getWrapperCache(DOMWrapperWorld* world);
870 JSWrapperCache* createWrapperCache(DOMWrapperWorld*);
871 #endif
872
873 virtual void finishedParsing();
874
inPageCache()875 bool inPageCache() const { return m_inPageCache; }
876 void setInPageCache(bool flag);
877
878 // Elements can register themselves for the "documentWillBecomeInactive()" and
879 // "documentDidBecomeActive()" callbacks
880 void registerForDocumentActivationCallbacks(Element*);
881 void unregisterForDocumentActivationCallbacks(Element*);
882 void documentWillBecomeInactive();
883 void documentDidBecomeActive();
884
885 void registerForMediaVolumeCallbacks(Element*);
886 void unregisterForMediaVolumeCallbacks(Element*);
887 void mediaVolumeDidChange();
888
889 void setShouldCreateRenderers(bool);
890 bool shouldCreateRenderers();
891
892 void setDecoder(PassRefPtr<TextResourceDecoder>);
decoder()893 TextResourceDecoder* decoder() const { return m_decoder.get(); }
894
895 String displayStringModifiedByEncoding(const String&) const;
896 PassRefPtr<StringImpl> displayStringModifiedByEncoding(PassRefPtr<StringImpl>) const;
897 void displayBufferModifiedByEncoding(UChar* buffer, unsigned len) const;
898
899 // Quirk for the benefit of Apple's Dictionary application.
setFrameElementsShouldIgnoreScrolling(bool ignore)900 void setFrameElementsShouldIgnoreScrolling(bool ignore) { m_frameElementsShouldIgnoreScrolling = ignore; }
frameElementsShouldIgnoreScrolling()901 bool frameElementsShouldIgnoreScrolling() const { return m_frameElementsShouldIgnoreScrolling; }
902
903 #if ENABLE(DASHBOARD_SUPPORT)
setDashboardRegionsDirty(bool f)904 void setDashboardRegionsDirty(bool f) { m_dashboardRegionsDirty = f; }
dashboardRegionsDirty()905 bool dashboardRegionsDirty() const { return m_dashboardRegionsDirty; }
hasDashboardRegions()906 bool hasDashboardRegions () const { return m_hasDashboardRegions; }
setHasDashboardRegions(bool f)907 void setHasDashboardRegions(bool f) { m_hasDashboardRegions = f; }
908 const Vector<DashboardRegionValue>& dashboardRegions() const;
909 void setDashboardRegions(const Vector<DashboardRegionValue>&);
910 #endif
911
912 virtual void removeAllEventListeners();
913
checkedRadioButtons()914 CheckedRadioButtons& checkedRadioButtons() { return m_checkedRadioButtons; }
915
916 #if ENABLE(SVG)
917 const SVGDocumentExtensions* svgExtensions();
918 SVGDocumentExtensions* accessSVGExtensions();
919 #endif
920
921 void initSecurityContext();
922
923 // Explicitly override the security origin for this document.
924 // Note: It is dangerous to change the security origin of a document
925 // that already contains content.
926 void setSecurityOrigin(SecurityOrigin*);
927
928 void updateURLForPushOrReplaceState(const KURL&);
929 void statePopped(SerializedScriptValue*);
930
processingLoadEvent()931 bool processingLoadEvent() const { return m_processingLoadEvent; }
932
933 #if ENABLE(DATABASE)
934 virtual bool isDatabaseReadOnly() const;
935 virtual void databaseExceededQuota(const String& name);
936 #endif
937
938 virtual bool isContextThread() const;
939
setUsingGeolocation(bool f)940 void setUsingGeolocation(bool f) { m_usingGeolocation = f; }
usingGeolocation()941 bool usingGeolocation() const { return m_usingGeolocation; };
942
943 #if ENABLE(WML)
setContainsWMLContent(bool value)944 void setContainsWMLContent(bool value) { m_containsWMLContent = value; }
containsWMLContent()945 bool containsWMLContent() const { return m_containsWMLContent; }
946
947 void resetWMLPageState();
948 void initializeWMLPageState();
949 #endif
950
containsValidityStyleRules()951 bool containsValidityStyleRules() const { return m_containsValidityStyleRules; }
setContainsValidityStyleRules()952 void setContainsValidityStyleRules() { m_containsValidityStyleRules = true; }
953
954 #if ENABLE(TOUCH_EVENTS)
955 PassRefPtr<Touch> createTouch(DOMWindow*, EventTarget*, int identifier, int pageX, int pageY, int screenX, int screenY, ExceptionCode&) const;
956 PassRefPtr<TouchList> createTouchList(ExceptionCode&) const;
957 #endif
958
959 protected:
960 Document(Frame*, bool isXHTML, bool isHTML);
961
clearXMLVersion()962 void clearXMLVersion() { m_xmlVersion = String(); }
963
964
965 private:
isDocument()966 virtual bool isDocument() const { return true; }
967 virtual void removedLastRef();
determineParseMode()968 virtual void determineParseMode() { }
969
970 virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
971
972 virtual String nodeName() const;
973 virtual NodeType nodeType() const;
974 virtual bool childTypeAllowed(NodeType);
975 virtual PassRefPtr<Node> cloneNode(bool deep);
976 virtual bool canReplaceChild(Node* newChild, Node* oldChild);
977
refScriptExecutionContext()978 virtual void refScriptExecutionContext() { ref(); }
derefScriptExecutionContext()979 virtual void derefScriptExecutionContext() { deref(); }
980
981 virtual const KURL& virtualURL() const; // Same as url(), but needed for ScriptExecutionContext to implement it without a performance loss for direct calls.
982 virtual KURL virtualCompleteURL(const String&) const; // Same as completeURL() for the same reason as above.
983
984 void initDNSPrefetch();
985
986 String encoding() const;
987
988 void executeScriptSoonTimerFired(Timer<Document>*);
989
990 void updateTitle();
991 void updateFocusAppearanceTimerFired(Timer<Document>*);
992 void updateBaseURL();
993
994 void cacheDocumentElement() const;
995
996 void createStyleSelector();
997
998 OwnPtr<CSSStyleSelector> m_styleSelector;
999 bool m_didCalculateStyleSelector;
1000
1001 Frame* m_frame;
1002 OwnPtr<DocLoader> m_docLoader;
1003 OwnPtr<Tokenizer> m_tokenizer;
1004 bool m_wellFormed;
1005
1006 // Document URLs.
1007 KURL m_url; // Document.URL: The URL from which this document was retrieved.
1008 KURL m_baseURL; // Node.baseURI: The URL to use when resolving relative URLs.
1009 KURL m_baseElementURL; // The URL set by the <base> element.
1010 KURL m_cookieURL; // The URL to use for cookie access.
1011 KURL m_firstPartyForCookies; // The policy URL for third-party cookie blocking.
1012
1013 // Document.documentURI:
1014 // Although URL-like, Document.documentURI can actually be set to any
1015 // string by content. Document.documentURI affects m_baseURL unless the
1016 // document contains a <base> element, in which case the <base> element
1017 // takes precedence.
1018 String m_documentURI;
1019
1020 String m_baseTarget;
1021
1022 RefPtr<DocumentType> m_docType;
1023 mutable RefPtr<DOMImplementation> m_implementation;
1024
1025 // Track the number of currently loading top-level stylesheets. Sheets
1026 // loaded using the @import directive are not included in this count.
1027 // We use this count of pending sheets to detect when we can begin attaching
1028 // elements.
1029 int m_pendingStylesheets;
1030
1031 // But sometimes you need to ignore pending stylesheet count to
1032 // force an immediate layout when requested by JS.
1033 bool m_ignorePendingStylesheets;
1034
1035 // If we do ignore the pending stylesheet count, then we need to add a boolean
1036 // to track that this happened so that we can do a full repaint when the stylesheets
1037 // do eventually load.
1038 PendingSheetLayout m_pendingSheetLayout;
1039
1040 bool m_hasNodesWithPlaceholderStyle;
1041
1042 RefPtr<CSSStyleSheet> m_elemSheet;
1043 RefPtr<CSSStyleSheet> m_mappedElementSheet;
1044 RefPtr<CSSStyleSheet> m_pageUserSheet;
1045 mutable OwnPtr<Vector<RefPtr<CSSStyleSheet> > > m_pageGroupUserSheets;
1046 mutable bool m_pageGroupUserSheetCacheValid;
1047
1048 bool m_printing;
1049
1050 bool m_ignoreAutofocus;
1051
1052 ParseMode m_parseMode;
1053
1054 Color m_textColor;
1055
1056 RefPtr<Node> m_focusedNode;
1057 RefPtr<Node> m_hoverNode;
1058 RefPtr<Node> m_activeNode;
1059 mutable RefPtr<Element> m_documentElement;
1060
1061 unsigned m_domtree_version;
1062
1063 HashSet<NodeIterator*> m_nodeIterators;
1064 HashSet<Range*> m_ranges;
1065
1066 unsigned short m_listenerTypes;
1067
1068 RefPtr<StyleSheetList> m_styleSheets; // All of the stylesheets that are currently in effect for our media type and stylesheet set.
1069 ListHashSet<Node*> m_styleSheetCandidateNodes; // All of the nodes that could potentially provide stylesheets to the document (<link>, <style>, <?xml-stylesheet>)
1070
1071 typedef HashMap<FormElementKey, Vector<String>, FormElementKeyHash, FormElementKeyHashTraits> FormElementStateMap;
1072 ListHashSet<Element*> m_formElementsWithState;
1073 FormElementStateMap m_stateForNewFormElements;
1074
1075 Color m_linkColor;
1076 Color m_visitedLinkColor;
1077 Color m_activeLinkColor;
1078
1079 String m_preferredStylesheetSet;
1080 String m_selectedStylesheetSet;
1081
1082 bool m_loadingSheet;
1083 bool m_visuallyOrdered;
1084 bool m_bParsing;
1085 Timer<Document> m_styleRecalcTimer;
1086 bool m_inStyleRecalc;
1087 bool m_closeAfterStyleRecalc;
1088 bool m_usesDescendantRules;
1089 bool m_usesSiblingRules;
1090 bool m_usesFirstLineRules;
1091 bool m_usesFirstLetterRules;
1092 bool m_usesBeforeAfterRules;
1093 bool m_usesRemUnits;
1094 bool m_gotoAnchorNeededAfterStylesheetsLoad;
1095 bool m_isDNSPrefetchEnabled;
1096 bool m_haveExplicitlyDisabledDNSPrefetch;
1097 bool m_frameElementsShouldIgnoreScrolling;
1098 bool m_containsValidityStyleRules;
1099 bool m_updateFocusAppearanceRestoresSelection;
1100
1101 String m_title;
1102 String m_rawTitle;
1103 bool m_titleSetExplicitly;
1104 RefPtr<Element> m_titleElement;
1105
1106 OwnPtr<RenderArena> m_renderArena;
1107
1108 typedef std::pair<Vector<DocumentMarker>, Vector<IntRect> > MarkerMapVectorPair;
1109 typedef HashMap<RefPtr<Node>, MarkerMapVectorPair*> MarkerMap;
1110 MarkerMap m_markers;
1111
1112 #if !PLATFORM(ANDROID)
1113 mutable AXObjectCache* m_axObjectCache;
1114 #endif
1115
1116 Timer<Document> m_updateFocusAppearanceTimer;
1117
1118 Element* m_cssTarget;
1119
1120 bool m_processingLoadEvent;
1121 RefPtr<SerializedScriptValue> m_pendingStateObject;
1122 HashSet<RefPtr<HistoryItem> > m_associatedHistoryItems;
1123 double m_startTime;
1124 bool m_overMinimumLayoutThreshold;
1125 // This is used to increase the minimum delay between re-layouts. It is set
1126 // using setExtraLayoutDelay to modify the minimum delay used at different
1127 // points during the lifetime of the Document.
1128 int m_extraLayoutDelay;
1129
1130 Vector<std::pair<ScriptElementData*, CachedResourceHandle<CachedScript> > > m_scriptsToExecuteSoon;
1131 Timer<Document> m_executeScriptSoonTimer;
1132
1133 #if ENABLE(XSLT)
1134 OwnPtr<TransformSource> m_transformSource;
1135 RefPtr<Document> m_transformSourceDocument;
1136 #endif
1137
1138 #if ENABLE(XBL)
1139 OwnPtr<XBLBindingManager> m_bindingManager; // The access point through which documents and elements communicate with XBL.
1140 #endif
1141
1142 typedef HashMap<AtomicStringImpl*, HTMLMapElement*> ImageMapsByName;
1143 ImageMapsByName m_imageMapsByName;
1144
1145 int m_docID; // A unique document identifier used for things like document-specific mapped attributes.
1146
1147 String m_xmlEncoding;
1148 String m_xmlVersion;
1149 bool m_xmlStandalone;
1150
1151 String m_contentLanguage;
1152
1153 #if ENABLE(XHTMLMP)
1154 bool m_shouldProcessNoScriptElement;
1155 #endif
1156
1157 RenderObject* m_savedRenderer;
1158
1159 RefPtr<TextResourceDecoder> m_decoder;
1160
1161 // We maintain the invariant that m_duplicateIds is the count of all elements with a given ID
1162 // excluding the one referenced in m_elementsById, if any. This means it one less than the total count
1163 // when the first node with a given ID is cached, otherwise the same as the total count.
1164 mutable HashMap<AtomicStringImpl*, Element*> m_elementsById;
1165 mutable HashCountedSet<AtomicStringImpl*> m_duplicateIds;
1166
1167 mutable HashMap<StringImpl*, Element*, CaseFoldingHash> m_elementsByAccessKey;
1168
1169 InheritedBool m_designMode;
1170
1171 int m_selfOnlyRefCount;
1172
1173 CheckedRadioButtons m_checkedRadioButtons;
1174
1175 typedef HashMap<AtomicStringImpl*, CollectionCache*> NamedCollectionMap;
1176 CollectionCache m_collectionInfo[NumUnnamedDocumentCachedTypes];
1177 NamedCollectionMap m_nameCollectionInfo[NumNamedDocumentCachedTypes];
1178
1179 #if ENABLE(XPATH)
1180 RefPtr<XPathEvaluator> m_xpathEvaluator;
1181 #endif
1182
1183 #if ENABLE(SVG)
1184 OwnPtr<SVGDocumentExtensions> m_svgExtensions;
1185 #endif
1186
1187 #if ENABLE(DASHBOARD_SUPPORT)
1188 Vector<DashboardRegionValue> m_dashboardRegions;
1189 bool m_hasDashboardRegions;
1190 bool m_dashboardRegionsDirty;
1191 #endif
1192
1193 HashMap<String, RefPtr<HTMLCanvasElement> > m_cssCanvasElements;
1194
1195 mutable bool m_accessKeyMapValid;
1196 bool m_createRenderers;
1197 bool m_inPageCache;
1198 String m_iconURL;
1199
1200 HashSet<Element*> m_documentActivationCallbackElements;
1201 HashSet<Element*> m_mediaVolumeCallbackElements;
1202
1203 bool m_useSecureKeyboardEntryWhenActive;
1204
1205 bool m_isXHTML;
1206 bool m_isHTML;
1207
1208 unsigned m_numNodeListCaches;
1209
1210 #if USE(JSC)
1211 JSWrapperCacheMap m_wrapperCacheMap;
1212 JSWrapperCache* m_normalWorldWrapperCache;
1213 #endif
1214
1215 bool m_usingGeolocation;
1216
1217 Timer<Document> m_storageEventTimer;
1218 Vector<RefPtr<Event> > m_storageEventQueue;
1219
1220 #if ENABLE(WML)
1221 bool m_containsWMLContent;
1222 #endif
1223
1224 RefPtr<DocumentWeakReference> m_weakReference;
1225 };
1226
hasElementWithId(AtomicStringImpl * id)1227 inline bool Document::hasElementWithId(AtomicStringImpl* id) const
1228 {
1229 ASSERT(id);
1230 return m_elementsById.contains(id) || m_duplicateIds.contains(id);
1231 }
1232
isDocumentNode()1233 inline bool Node::isDocumentNode() const
1234 {
1235 return this == m_document;
1236 }
1237
1238 } // namespace WebCore
1239
1240 #endif // Document_h
1241