--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/dom/Document.h Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,1335 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ * (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * (C) 2001 Dirk Mueller (mueller@kde.org)
+ * (C) 2006 Alexey Proskuryakov (ap@webkit.org)
+ * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
+ * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef Document_h
+#define Document_h
+
+#include "CachedResourceHandle.h"
+#include "CheckedRadioButtons.h"
+#include "ContainerNode.h"
+#include "CollectionCache.h"
+#include "CollectionType.h"
+#include "Color.h"
+#include "Document.h"
+#include "DocumentMarker.h"
+#include "QualifiedName.h"
+#include "ScriptExecutionContext.h"
+#include "Timer.h"
+#include <wtf/FixedArray.h>
+#include <wtf/HashCountedSet.h>
+#include <wtf/OwnPtr.h>
+#include <wtf/PassOwnPtr.h>
+
+#if USE(JSC)
+#include <runtime/WeakGCMap.h>
+#endif
+
+namespace WebCore {
+
+ class Attr;
+ class AXObjectCache;
+ class CDATASection;
+ class CachedCSSStyleSheet;
+ class CachedScript;
+ class CanvasRenderingContext;
+ class CharacterData;
+ class CSSStyleDeclaration;
+ class CSSStyleSelector;
+ class CSSStyleSheet;
+ class Comment;
+ class Database;
+ class DOMImplementation;
+ class DOMSelection;
+ class DOMWindow;
+ class DatabaseThread;
+ class DocLoader;
+ class DocumentFragment;
+ class DocumentType;
+ class DocumentWeakReference;
+ class EditingText;
+ class Element;
+ class EntityReference;
+ class Event;
+ class EventListener;
+ class Frame;
+ class FrameView;
+ class HTMLCanvasElement;
+ class HTMLCollection;
+ class HTMLAllCollection;
+ class HTMLDocument;
+ class HTMLElement;
+ class HTMLFormElement;
+ class HTMLFrameOwnerElement;
+ class HTMLHeadElement;
+ class HTMLInputElement;
+ class HTMLMapElement;
+ class HistoryItem;
+ class HitTestRequest;
+ class HitTestResult;
+ class InspectorTimelineAgent;
+ class IntPoint;
+ class DOMWrapperWorld;
+ class JSNode;
+ class MediaCanStartListener;
+ class MouseEventWithHitTestResults;
+ class NodeFilter;
+ class NodeIterator;
+ class Page;
+ class PlatformMouseEvent;
+ class ProcessingInstruction;
+ class Range;
+ class RegisteredEventListener;
+ class RenderArena;
+ class RenderView;
+ class ScriptableDocumentParser;
+ class ScriptElementData;
+ class SecurityOrigin;
+ class SerializedScriptValue;
+ class SegmentedString;
+ class Settings;
+ class StyleSheet;
+ class StyleSheetList;
+ class Text;
+ class TextResourceDecoder;
+ class DocumentParser;
+ class TreeWalker;
+ class XMLHttpRequest;
+
+#if ENABLE(SVG)
+ class SVGDocumentExtensions;
+#endif
+
+#if ENABLE(XSLT)
+ class TransformSource;
+#endif
+
+#if ENABLE(XBL)
+ class XBLBindingManager;
+#endif
+
+#if ENABLE(XPATH)
+ class XPathEvaluator;
+ class XPathExpression;
+ class XPathNSResolver;
+ class XPathResult;
+#endif
+
+#if ENABLE(DASHBOARD_SUPPORT)
+ struct DashboardRegionValue;
+#endif
+
+ typedef int ExceptionCode;
+
+class FormElementKey {
+public:
+ FormElementKey(AtomicStringImpl* = 0, AtomicStringImpl* = 0);
+ ~FormElementKey();
+ FormElementKey(const FormElementKey&);
+ FormElementKey& operator=(const FormElementKey&);
+
+ AtomicStringImpl* name() const { return m_name; }
+ AtomicStringImpl* type() const { return m_type; }
+
+ // Hash table deleted values, which are only constructed and never copied or destroyed.
+ FormElementKey(WTF::HashTableDeletedValueType) : m_name(hashTableDeletedValue()) { }
+ bool isHashTableDeletedValue() const { return m_name == hashTableDeletedValue(); }
+
+private:
+ void ref() const;
+ void deref() const;
+
+ static AtomicStringImpl* hashTableDeletedValue() { return reinterpret_cast<AtomicStringImpl*>(-1); }
+
+ AtomicStringImpl* m_name;
+ AtomicStringImpl* m_type;
+};
+
+inline bool operator==(const FormElementKey& a, const FormElementKey& b)
+{
+ return a.name() == b.name() && a.type() == b.type();
+}
+
+struct FormElementKeyHash {
+ static unsigned hash(const FormElementKey&);
+ static bool equal(const FormElementKey& a, const FormElementKey& b) { return a == b; }
+ static const bool safeToCompareToEmptyOrDeleted = true;
+};
+
+struct FormElementKeyHashTraits : WTF::GenericHashTraits<FormElementKey> {
+ static void constructDeletedValue(FormElementKey& slot) { new (&slot) FormElementKey(WTF::HashTableDeletedValue); }
+ static bool isDeletedValue(const FormElementKey& value) { return value.isHashTableDeletedValue(); }
+};
+
+enum PageshowEventPersistence {
+ PageshowEventNotPersisted = 0,
+ PageshowEventPersisted = 1
+};
+
+class Document : public ContainerNode, public ScriptExecutionContext {
+public:
+ static PassRefPtr<Document> create(Frame* frame, const KURL& url)
+ {
+ return adoptRef(new Document(frame, url, false, false));
+ }
+ static PassRefPtr<Document> createXHTML(Frame* frame, const KURL& url)
+ {
+ return adoptRef(new Document(frame, url, true, false));
+ }
+ virtual ~Document();
+
+ using ContainerNode::ref;
+ using ContainerNode::deref;
+
+ // Nodes belonging to this document hold "self-only" references -
+ // these are enough to keep the document from being destroyed, but
+ // not enough to keep it from removing its children. This allows a
+ // node that outlives its document to still have a valid document
+ // pointer without introducing reference cycles
+
+ void selfOnlyRef()
+ {
+ ASSERT(!m_deletionHasBegun);
+ ++m_selfOnlyRefCount;
+ }
+ void selfOnlyDeref()
+ {
+ ASSERT(!m_deletionHasBegun);
+ --m_selfOnlyRefCount;
+ if (!m_selfOnlyRefCount && !refCount()) {
+#ifndef NDEBUG
+ m_deletionHasBegun = true;
+#endif
+ delete this;
+ }
+ }
+
+ // DOM methods & attributes for Document
+
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(abort);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(change);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(click);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(contextmenu);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(dblclick);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(dragenter);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(dragover);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(dragleave);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(drop);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(dragstart);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(drag);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(dragend);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(input);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(invalid);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(keydown);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(keypress);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(keyup);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(mousedown);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(mousemove);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(mouseout);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(mouseover);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(mouseup);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(mousewheel);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(scroll);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(select);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(submit);
+
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(blur);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(focus);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(load);
+
+ // WebKit extensions
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(beforecut);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(cut);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(beforecopy);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(copy);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(beforepaste);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(paste);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(reset);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(search);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(selectstart);
+#if ENABLE(TOUCH_EVENTS)
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(touchstart);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(touchmove);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(touchend);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(touchcancel);
+#endif
+#if ENABLE(TRANSFORMACTION_EVENTS)
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(transformactionstart);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(transformactionupdate);
+ DEFINE_ATTRIBUTE_EVENT_LISTENER(transformactionend);
+#endif
+
+ DocumentType* doctype() const { return m_docType.get(); }
+
+ DOMImplementation* implementation() const;
+
+ Element* documentElement() const
+ {
+ if (!m_documentElement)
+ cacheDocumentElement();
+ return m_documentElement.get();
+ }
+
+ virtual PassRefPtr<Element> createElement(const AtomicString& tagName, ExceptionCode&);
+ PassRefPtr<DocumentFragment> createDocumentFragment();
+ PassRefPtr<Text> createTextNode(const String& data);
+ PassRefPtr<Comment> createComment(const String& data);
+ PassRefPtr<CDATASection> createCDATASection(const String& data, ExceptionCode&);
+ PassRefPtr<ProcessingInstruction> createProcessingInstruction(const String& target, const String& data, ExceptionCode&);
+ PassRefPtr<Attr> createAttribute(const String& name, ExceptionCode&);
+ PassRefPtr<Attr> createAttributeNS(const String& namespaceURI, const String& qualifiedName, ExceptionCode&, bool shouldIgnoreNamespaceChecks = false);
+ PassRefPtr<EntityReference> createEntityReference(const String& name, ExceptionCode&);
+ PassRefPtr<Node> importNode(Node* importedNode, bool deep, ExceptionCode&);
+ virtual PassRefPtr<Element> createElementNS(const String& namespaceURI, const String& qualifiedName, ExceptionCode&);
+ PassRefPtr<Element> createElement(const QualifiedName&, bool createdByParser);
+ Element* getElementById(const AtomicString&) const;
+ bool hasElementWithId(AtomicStringImpl* id) const;
+ bool containsMultipleElementsWithId(const AtomicString& elementId) { return m_duplicateIds.contains(elementId.impl()); }
+
+ /**
+ * Retrieve all nodes that intersect a rect in the window's document, until it is fully enclosed by
+ * the boundaries of node.
+ *
+ * @param centerX x reference for the rectangle in CSS pixels
+ * @param centerY y reference for the rectangle in CSS pixels
+ * @param hPadding How much to expand the rectangle horizontally
+ * @param vPadding How much to expand the rectangle vertically
+ * @param ignoreClipping whether or not to ignore the root scroll frame when retrieving the element.
+ * If false, this method returns null for coordinates outside of the viewport.
+ */
+ PassRefPtr<NodeList> nodesFromRect(int centerX, int centerY, unsigned hPadding, unsigned vPadding, bool ignoreClipping) const;
+ Element* elementFromPoint(int x, int y) const;
+ PassRefPtr<Range> caretRangeFromPoint(int x, int y);
+
+ String readyState() const;
+
+ String defaultCharset() const;
+
+ // Synonyms backing similar DOM attributes. Use Document::encoding() to avoid virtual dispatch.
+ String inputEncoding() const { return Document::encoding(); }
+ String charset() const { return Document::encoding(); }
+ String characterSet() const { return Document::encoding(); }
+
+ void setCharset(const String&);
+
+ String contentLanguage() const { return m_contentLanguage; }
+ void setContentLanguage(const String& lang) { m_contentLanguage = lang; }
+
+ String xmlEncoding() const { return m_xmlEncoding; }
+ String xmlVersion() const { return m_xmlVersion; }
+ bool xmlStandalone() const { return m_xmlStandalone; }
+
+ void setXMLEncoding(const String& encoding) { m_xmlEncoding = encoding; } // read-only property, only to be set from XMLDocumentParser
+ void setXMLVersion(const String&, ExceptionCode&);
+ void setXMLStandalone(bool, ExceptionCode&);
+
+ String documentURI() const { return m_documentURI; }
+ void setDocumentURI(const String&);
+
+ virtual KURL baseURI() const;
+
+ PassRefPtr<Node> adoptNode(PassRefPtr<Node> source, ExceptionCode&);
+
+ PassRefPtr<HTMLCollection> images();
+ PassRefPtr<HTMLCollection> embeds();
+ PassRefPtr<HTMLCollection> plugins(); // an alias for embeds() required for the JS DOM bindings.
+ PassRefPtr<HTMLCollection> applets();
+ PassRefPtr<HTMLCollection> links();
+ PassRefPtr<HTMLCollection> forms();
+ PassRefPtr<HTMLCollection> anchors();
+ PassRefPtr<HTMLCollection> objects();
+ PassRefPtr<HTMLCollection> scripts();
+ PassRefPtr<HTMLCollection> windowNamedItems(const String& name);
+ PassRefPtr<HTMLCollection> documentNamedItems(const String& name);
+
+ PassRefPtr<HTMLAllCollection> all();
+
+ // Find first anchor with the given name.
+ // First searches for an element with the given ID, but if that fails, then looks
+ // for an anchor with the given name. ID matching is always case sensitive, but
+ // Anchor name matching is case sensitive in strict mode and not case sensitive in
+ // quirks mode for historical compatibility reasons.
+ Element* findAnchor(const String& name);
+
+ CollectionCache* collectionInfo(CollectionType type)
+ {
+ ASSERT(type >= FirstUnnamedDocumentCachedType);
+ unsigned index = type - FirstUnnamedDocumentCachedType;
+ ASSERT(index < NumUnnamedDocumentCachedTypes);
+ m_collectionInfo[index].checkConsistency();
+ return &m_collectionInfo[index];
+ }
+
+ CollectionCache* nameCollectionInfo(CollectionType, const AtomicString& name);
+
+ // Other methods (not part of DOM)
+ bool isHTMLDocument() const { return m_isHTML; }
+ bool isXHTMLDocument() const { return m_isXHTML; }
+ virtual bool isImageDocument() const { return false; }
+#if ENABLE(SVG)
+ virtual bool isSVGDocument() const { return false; }
+#else
+ static bool isSVGDocument() { return false; }
+#endif
+ virtual bool isPluginDocument() const { return false; }
+ virtual bool isMediaDocument() const { return false; }
+#if ENABLE(WML)
+ virtual bool isWMLDocument() const { return false; }
+#endif
+#if ENABLE(XHTMLMP)
+ bool isXHTMLMPDocument() const;
+ bool shouldProcessNoscriptElement() const { return m_shouldProcessNoScriptElement; }
+ void setShouldProcessNoscriptElement(bool shouldDo) { m_shouldProcessNoScriptElement = shouldDo; }
+#endif
+ virtual bool isFrameSet() const { return false; }
+
+ CSSStyleSelector* styleSelector()
+ {
+ if (!m_styleSelector)
+ createStyleSelector();
+ return m_styleSelector.get();
+ }
+
+ Element* getElementByAccessKey(const String& key) const;
+
+ /**
+ * Updates the pending sheet count and then calls updateStyleSelector.
+ */
+ void removePendingSheet();
+
+ /**
+ * This method returns true if all top-level stylesheets have loaded (including
+ * any @imports that they may be loading).
+ */
+ bool haveStylesheetsLoaded() const
+ {
+ return m_pendingStylesheets <= 0 || m_ignorePendingStylesheets;
+ }
+
+ /**
+ * Increments the number of pending sheets. The <link> elements
+ * invoke this to add themselves to the loading list.
+ */
+ void addPendingSheet() { m_pendingStylesheets++; }
+
+ void addStyleSheetCandidateNode(Node*, bool createdByParser);
+ void removeStyleSheetCandidateNode(Node*);
+
+ bool gotoAnchorNeededAfterStylesheetsLoad() { return m_gotoAnchorNeededAfterStylesheetsLoad; }
+ void setGotoAnchorNeededAfterStylesheetsLoad(bool b) { m_gotoAnchorNeededAfterStylesheetsLoad = b; }
+
+ /**
+ * Called when one or more stylesheets in the document may have been added, removed or changed.
+ *
+ * Creates a new style selector and assign it to this document. This is done by iterating through all nodes in
+ * document (or those before <BODY> in a HTML document), searching for stylesheets. Stylesheets can be contained in
+ * <LINK>, <STYLE> or <BODY> elements, as well as processing instructions (XML documents only). A list is
+ * constructed from these which is used to create the a new style selector which collates all of the stylesheets
+ * found and is used to calculate the derived styles for all rendering objects.
+ */
+ void updateStyleSelector();
+
+ void recalcStyleSelector();
+
+ bool usesDescendantRules() const { return m_usesDescendantRules; }
+ void setUsesDescendantRules(bool b) { m_usesDescendantRules = b; }
+ bool usesSiblingRules() const { return m_usesSiblingRules; }
+ void setUsesSiblingRules(bool b) { m_usesSiblingRules = b; }
+ bool usesFirstLineRules() const { return m_usesFirstLineRules; }
+ void setUsesFirstLineRules(bool b) { m_usesFirstLineRules = b; }
+ bool usesFirstLetterRules() const { return m_usesFirstLetterRules; }
+ void setUsesFirstLetterRules(bool b) { m_usesFirstLetterRules = b; }
+ bool usesBeforeAfterRules() const { return m_usesBeforeAfterRules; }
+ void setUsesBeforeAfterRules(bool b) { m_usesBeforeAfterRules = b; }
+ bool usesRemUnits() const { return m_usesRemUnits; }
+ void setUsesRemUnits(bool b) { m_usesRemUnits = b; }
+ bool usesLinkRules() const { return linkColor() != visitedLinkColor() || m_usesLinkRules; }
+ void setUsesLinkRules(bool b) { m_usesLinkRules = b; }
+
+ // Machinery for saving and restoring state when you leave and then go back to a page.
+ void registerFormElementWithState(Element* e) { m_formElementsWithState.add(e); }
+ void unregisterFormElementWithState(Element* e) { m_formElementsWithState.remove(e); }
+ Vector<String> formElementsState() const;
+ void setStateForNewFormElements(const Vector<String>&);
+ bool hasStateForNewFormElements() const;
+ bool takeStateForFormElement(AtomicStringImpl* name, AtomicStringImpl* type, String& state);
+
+ FrameView* view() const; // can be NULL
+ Frame* frame() const { return m_frame; } // can be NULL
+ Page* page() const; // can be NULL
+ Settings* settings() const; // can be NULL
+#if ENABLE(INSPECTOR)
+ InspectorTimelineAgent* inspectorTimelineAgent() const; // can be NULL
+ virtual InspectorController* inspectorController() const; // can be NULL
+#endif
+
+ PassRefPtr<Range> createRange();
+
+ PassRefPtr<NodeIterator> createNodeIterator(Node* root, unsigned whatToShow,
+ PassRefPtr<NodeFilter>, bool expandEntityReferences, ExceptionCode&);
+
+ PassRefPtr<TreeWalker> createTreeWalker(Node* root, unsigned whatToShow,
+ PassRefPtr<NodeFilter>, bool expandEntityReferences, ExceptionCode&);
+
+ // Special support for editing
+ PassRefPtr<CSSStyleDeclaration> createCSSStyleDeclaration();
+ PassRefPtr<EditingText> createEditingTextNode(const String&);
+
+ virtual void recalcStyle(StyleChange = NoChange);
+ bool childNeedsAndNotInStyleRecalc();
+ virtual void updateStyleIfNeeded();
+ void updateLayout();
+ void updateLayoutIgnorePendingStylesheets();
+ PassRefPtr<RenderStyle> styleForElementIgnoringPendingStylesheets(Element*);
+ PassRefPtr<RenderStyle> styleForPage(int pageIndex);
+
+ // Returns true if page box (margin boxes and page borders) is visible.
+ bool isPageBoxVisible(int pageIndex);
+
+ // Returns the preferred page size and margins in pixels, assuming 96
+ // pixels per inch. pageSize, marginTop, marginRight, marginBottom,
+ // marginLeft must be initialized to the default values that are used if
+ // auto is specified.
+ void pageSizeAndMarginsInPixels(int pageIndex, IntSize& pageSize, int& marginTop, int& marginRight, int& marginBottom, int& marginLeft);
+
+ static void updateStyleForAllDocuments(); // FIXME: Try to reduce the # of calls to this function.
+ DocLoader* docLoader() { return m_docLoader.get(); }
+
+ virtual void attach();
+ virtual void detach();
+
+ RenderArena* renderArena() { return m_renderArena.get(); }
+
+ RenderView* renderView() const;
+
+ void clearAXObjectCache();
+ AXObjectCache* axObjectCache() const;
+
+ // to get visually ordered hebrew and arabic pages right
+ void setVisuallyOrdered();
+ bool visuallyOrdered() const { return m_visuallyOrdered; }
+
+ void open(Document* ownerDocument = 0);
+ void implicitOpen();
+ void close();
+ void implicitClose();
+ void cancelParsing();
+
+ void write(const SegmentedString& text, Document* ownerDocument = 0);
+ void write(const String& text, Document* ownerDocument = 0);
+ void writeln(const String& text, Document* ownerDocument = 0);
+ void finishParsing();
+
+ bool wellFormed() const { return m_wellFormed; }
+
+ const KURL& url() const { return m_url; }
+ void setURL(const KURL&);
+
+ const KURL& baseURL() const { return m_baseURL; }
+ // Setting the BaseElementURL will change the baseURL.
+ void setBaseElementURL(const KURL&);
+
+ const String& baseTarget() const { return m_baseTarget; }
+ // Setting the BaseElementTarget will change the baseTarget.
+ void setBaseElementTarget(const String& baseTarget) { m_baseTarget = baseTarget; }
+
+ KURL completeURL(const String&) const;
+
+ virtual String userAgent(const KURL&) const;
+
+ CSSStyleSheet* pageUserSheet();
+ void clearPageUserSheet();
+
+ const Vector<RefPtr<CSSStyleSheet> >* pageGroupUserSheets() const;
+ void clearPageGroupUserSheets();
+
+ CSSStyleSheet* elementSheet();
+ CSSStyleSheet* mappedElementSheet();
+
+ virtual DocumentParser* createParser();
+ DocumentParser* parser() const { return m_parser.get(); }
+ ScriptableDocumentParser* scriptableDocumentParser() const;
+
+ bool printing() const { return m_printing; }
+ void setPrinting(bool p) { m_printing = p; }
+
+ enum ParseMode { Compat, AlmostStrict, Strict };
+
+ void setParseMode(ParseMode m) { m_parseMode = m; }
+ ParseMode parseMode() const { return m_parseMode; }
+
+ bool inCompatMode() const { return m_parseMode == Compat; }
+ bool inAlmostStrictMode() const { return m_parseMode == AlmostStrict; }
+ bool inStrictMode() const { return m_parseMode == Strict; }
+
+ void setParsing(bool);
+ bool parsing() const { return m_bParsing; }
+ int minimumLayoutDelay();
+
+ // This method is used by Android.
+ void setExtraLayoutDelay(int delay) { m_extraLayoutDelay = delay; }
+
+ bool shouldScheduleLayout();
+ int elapsedTime() const;
+
+ void setTextColor(const Color& color) { m_textColor = color; }
+ Color textColor() const { return m_textColor; }
+
+ const Color& linkColor() const { return m_linkColor; }
+ const Color& visitedLinkColor() const { return m_visitedLinkColor; }
+ const Color& activeLinkColor() const { return m_activeLinkColor; }
+ void setLinkColor(const Color& c) { m_linkColor = c; }
+ void setVisitedLinkColor(const Color& c) { m_visitedLinkColor = c; }
+ void setActiveLinkColor(const Color& c) { m_activeLinkColor = c; }
+ void resetLinkColor();
+ void resetVisitedLinkColor();
+ void resetActiveLinkColor();
+
+ MouseEventWithHitTestResults prepareMouseEvent(const HitTestRequest&, const IntPoint&, const PlatformMouseEvent&);
+
+ StyleSheetList* styleSheets();
+
+ /* Newly proposed CSS3 mechanism for selecting alternate
+ stylesheets using the DOM. May be subject to change as
+ spec matures. - dwh
+ */
+ String preferredStylesheetSet() const;
+ String selectedStylesheetSet() const;
+ void setSelectedStylesheetSet(const String&);
+
+ bool setFocusedNode(PassRefPtr<Node>);
+ Node* focusedNode() const { return m_focusedNode.get(); }
+
+ void getFocusableNodes(Vector<RefPtr<Node> >&);
+
+ // The m_ignoreAutofocus flag specifies whether or not the document has been changed by the user enough
+ // for WebCore to ignore the autofocus attribute on any form controls
+ bool ignoreAutofocus() const { return m_ignoreAutofocus; };
+ void setIgnoreAutofocus(bool shouldIgnore = true) { m_ignoreAutofocus = shouldIgnore; };
+
+ void setHoverNode(PassRefPtr<Node>);
+ Node* hoverNode() const { return m_hoverNode.get(); }
+
+ void setActiveNode(PassRefPtr<Node>);
+ Node* activeNode() const { return m_activeNode.get(); }
+
+ void focusedNodeRemoved();
+ void removeFocusedNodeOfSubtree(Node*, bool amongChildrenOnly = false);
+ void hoveredNodeDetached(Node*);
+ void activeChainNodeDetached(Node*);
+
+ // Updates for :target (CSS3 selector).
+ void setCSSTarget(Element*);
+ Element* cssTarget() const { return m_cssTarget; }
+
+ void scheduleStyleRecalc();
+ void unscheduleStyleRecalc();
+ void styleRecalcTimerFired(Timer<Document>*);
+
+ void attachNodeIterator(NodeIterator*);
+ void detachNodeIterator(NodeIterator*);
+
+ void attachRange(Range*);
+ void detachRange(Range*);
+
+ void nodeChildrenChanged(ContainerNode*);
+ // nodeChildrenWillBeRemoved is used when removing all node children at once.
+ void nodeChildrenWillBeRemoved(ContainerNode*);
+ // nodeWillBeRemoved is only safe when removing one node at a time.
+ void nodeWillBeRemoved(Node*);
+
+ void textInserted(Node*, unsigned offset, unsigned length);
+ void textRemoved(Node*, unsigned offset, unsigned length);
+ void textNodesMerged(Text* oldNode, unsigned offset);
+ void textNodeSplit(Text* oldNode);
+
+ DOMWindow* defaultView() const { return domWindow(); }
+ DOMWindow* domWindow() const;
+
+ // Helper functions for forwarding DOMWindow event related tasks to the DOMWindow if it exists.
+ void setWindowAttributeEventListener(const AtomicString& eventType, PassRefPtr<EventListener>);
+ EventListener* getWindowAttributeEventListener(const AtomicString& eventType);
+ void dispatchWindowEvent(PassRefPtr<Event>, PassRefPtr<EventTarget> = 0);
+ void dispatchWindowLoadEvent();
+
+ PassRefPtr<Event> createEvent(const String& eventType, ExceptionCode&);
+
+ // keep track of what types of event listeners are registered, so we don't
+ // dispatch events unnecessarily
+ enum ListenerType {
+ DOMSUBTREEMODIFIED_LISTENER = 0x01,
+ DOMNODEINSERTED_LISTENER = 0x02,
+ DOMNODEREMOVED_LISTENER = 0x04,
+ DOMNODEREMOVEDFROMDOCUMENT_LISTENER = 0x08,
+ DOMNODEINSERTEDINTODOCUMENT_LISTENER = 0x10,
+ DOMATTRMODIFIED_LISTENER = 0x20,
+ DOMCHARACTERDATAMODIFIED_LISTENER = 0x40,
+ OVERFLOWCHANGED_LISTENER = 0x80,
+ ANIMATIONEND_LISTENER = 0x100,
+ ANIMATIONSTART_LISTENER = 0x200,
+ ANIMATIONITERATION_LISTENER = 0x400,
+ TRANSITIONEND_LISTENER = 0x800,
+ BEFORELOAD_LISTENER = 0x1000,
+ TOUCH_LISTENER = 0x2000,
+ BEFOREPROCESS_LISTENER = 0x4000,
+ TRANSFORMACTION_LISTENER = 0x8000
+ };
+
+ bool hasListenerType(ListenerType listenerType) const { return (m_listenerTypes & listenerType); }
+ void addListenerType(ListenerType listenerType) { m_listenerTypes = m_listenerTypes | listenerType; }
+ void addListenerTypeIfNeeded(const AtomicString& eventType);
+
+ CSSStyleDeclaration* getOverrideStyle(Element*, const String& pseudoElt);
+
+ /**
+ * Searches through the document, starting from fromNode, for the next selectable element that comes after fromNode.
+ * The order followed is as specified in section 17.11.1 of the HTML4 spec, which is elements with tab indexes
+ * first (from lowest to highest), and then elements without tab indexes (in document order).
+ *
+ * @param fromNode The node from which to start searching. The node after this will be focused. May be null.
+ *
+ * @return The focus node that comes after fromNode
+ *
+ * See http://www.w3.org/TR/html4/interact/forms.html#h-17.11.1
+ */
+ Node* nextFocusableNode(Node* start, KeyboardEvent*);
+
+ /**
+ * Searches through the document, starting from fromNode, for the previous selectable element (that comes _before_)
+ * fromNode. The order followed is as specified in section 17.11.1 of the HTML4 spec, which is elements with tab
+ * indexes first (from lowest to highest), and then elements without tab indexes (in document order).
+ *
+ * @param fromNode The node from which to start searching. The node before this will be focused. May be null.
+ *
+ * @return The focus node that comes before fromNode
+ *
+ * See http://www.w3.org/TR/html4/interact/forms.html#h-17.11.1
+ */
+ Node* previousFocusableNode(Node* start, KeyboardEvent*);
+
+ int nodeAbsIndex(Node*);
+ Node* nodeWithAbsIndex(int absIndex);
+
+ /**
+ * Handles a HTTP header equivalent set by a meta tag using <meta http-equiv="..." content="...">. This is called
+ * when a meta tag is encountered during document parsing, and also when a script dynamically changes or adds a meta
+ * tag. This enables scripts to use meta tags to perform refreshes and set expiry dates in addition to them being
+ * specified in a HTML file.
+ *
+ * @param equiv The http header name (value of the meta tag's "equiv" attribute)
+ * @param content The header value (value of the meta tag's "content" attribute)
+ */
+ void processHttpEquiv(const String& equiv, const String& content);
+ void processViewport(const String& features);
+
+ // Returns the owning element in the parent document.
+ // Returns 0 if this is the top level document.
+ HTMLFrameOwnerElement* ownerElement() const;
+
+ String title() const { return m_title; }
+ void setTitle(const String&, Element* titleElement = 0);
+ void removeTitle(Element* titleElement);
+
+ String cookie(ExceptionCode&) const;
+ void setCookie(const String&, ExceptionCode&);
+
+ String referrer() const;
+
+ String domain() const;
+ void setDomain(const String& newDomain, ExceptionCode&);
+
+ String lastModified() const;
+
+ // The cookieURL is used to query the cookie database for this document's
+ // cookies. For example, if the cookie URL is http://example.com, we'll
+ // use the non-Secure cookies for example.com when computing
+ // document.cookie.
+ //
+ // Q: How is the cookieURL different from the document's URL?
+ // A: The two URLs are the same almost all the time. However, if one
+ // document inherits the security context of another document, it
+ // inherits its cookieURL but not its URL.
+ //
+ const KURL& cookieURL() const { return m_cookieURL; }
+
+ // The firstPartyForCookies is used to compute whether this document
+ // appears in a "third-party" context for the purpose of third-party
+ // cookie blocking. The document is in a third-party context if the
+ // cookieURL and the firstPartyForCookies are from different hosts.
+ //
+ // Note: Some ports (including possibly Apple's) only consider the
+ // document in a third-party context if the cookieURL and the
+ // firstPartyForCookies have a different registry-controlled
+ // domain.
+ //
+ const KURL& firstPartyForCookies() const { return m_firstPartyForCookies; }
+ void setFirstPartyForCookies(const KURL& url) { m_firstPartyForCookies = url; }
+
+ // The following implements the rule from HTML 4 for what valid names are.
+ // To get this right for all the XML cases, we probably have to improve this or move it
+ // and make it sensitive to the type of document.
+ static bool isValidName(const String&);
+
+ // The following breaks a qualified name into a prefix and a local name.
+ // It also does a validity check, and returns false if the qualified name
+ // is invalid. It also sets ExceptionCode when name is invalid.
+ static bool parseQualifiedName(const String& qualifiedName, String& prefix, String& localName, ExceptionCode&);
+
+ // Checks to make sure prefix and namespace do not conflict (per DOM Core 3)
+ static bool hasPrefixNamespaceMismatch(const QualifiedName&);
+
+ void addElementById(const AtomicString& elementId, Element *element);
+ void removeElementById(const AtomicString& elementId, Element *element);
+
+ void addImageMap(HTMLMapElement*);
+ void removeImageMap(HTMLMapElement*);
+ HTMLMapElement* getImageMap(const String& url) const;
+
+ HTMLElement* body() const;
+ void setBody(PassRefPtr<HTMLElement>, ExceptionCode&);
+
+ HTMLHeadElement* head();
+
+ bool execCommand(const String& command, bool userInterface = false, const String& value = String());
+ bool queryCommandEnabled(const String& command);
+ bool queryCommandIndeterm(const String& command);
+ bool queryCommandState(const String& command);
+ bool queryCommandSupported(const String& command);
+ String queryCommandValue(const String& command);
+
+ void addMarker(Range*, DocumentMarker::MarkerType, String description = String());
+ void addMarker(Node*, DocumentMarker);
+ void copyMarkers(Node *srcNode, unsigned startOffset, int length, Node *dstNode, int delta, DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
+ void removeMarkers(Range*, DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
+ void removeMarkers(Node*, unsigned startOffset, int length, DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
+ void removeMarkers(DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
+ void removeMarkers(Node*);
+ void repaintMarkers(DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
+ void setRenderedRectForMarker(Node*, const DocumentMarker&, const IntRect&);
+ void invalidateRenderedRectsForMarkersInRect(const IntRect&);
+ void shiftMarkers(Node*, unsigned startOffset, int delta, DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
+ void setMarkersActive(Range*, bool);
+ void setMarkersActive(Node*, unsigned startOffset, unsigned endOffset, bool);
+
+ DocumentMarker* markerContainingPoint(const IntPoint&, DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
+ Vector<DocumentMarker> markersForNode(Node*);
+ Vector<IntRect> renderedRectsForMarkers(DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
+
+ // designMode support
+ enum InheritedBool { off = false, on = true, inherit };
+ void setDesignMode(InheritedBool value);
+ InheritedBool getDesignMode() const;
+ bool inDesignMode() const;
+
+ Document* parentDocument() const;
+ Document* topDocument() const;
+
+ int docID() const { return m_docID; }
+
+ void executeScriptSoon(ScriptElementData*, CachedResourceHandle<CachedScript>);
+
+ void suspendExecuteScriptSoonTimer();
+ void resumeExecuteScriptSoonTimer();
+
+#if ENABLE(XSLT)
+ void applyXSLTransform(ProcessingInstruction* pi);
+ PassRefPtr<Document> transformSourceDocument() { return m_transformSourceDocument; }
+ void setTransformSourceDocument(Document* doc) { m_transformSourceDocument = doc; }
+
+ void setTransformSource(PassOwnPtr<TransformSource>);
+ TransformSource* transformSource() const { return m_transformSource.get(); }
+#endif
+
+#if ENABLE(XBL)
+ // XBL methods
+ XBLBindingManager* bindingManager() const { return m_bindingManager.get(); }
+#endif
+
+ void incDOMTreeVersion() { ++m_domtree_version; }
+ unsigned domTreeVersion() const { return m_domtree_version; }
+
+ void setDocType(PassRefPtr<DocumentType>);
+
+#if ENABLE(XPATH)
+ // XPathEvaluator methods
+ PassRefPtr<XPathExpression> createExpression(const String& expression,
+ XPathNSResolver* resolver,
+ ExceptionCode& ec);
+ PassRefPtr<XPathNSResolver> createNSResolver(Node *nodeResolver);
+ PassRefPtr<XPathResult> evaluate(const String& expression,
+ Node* contextNode,
+ XPathNSResolver* resolver,
+ unsigned short type,
+ XPathResult* result,
+ ExceptionCode& ec);
+#endif // ENABLE(XPATH)
+
+ enum PendingSheetLayout { NoLayoutWithPendingSheets, DidLayoutWithPendingSheets, IgnoreLayoutWithPendingSheets };
+
+ bool didLayoutWithPendingStylesheets() const { return m_pendingSheetLayout == DidLayoutWithPendingSheets; }
+
+ void setHasNodesWithPlaceholderStyle() { m_hasNodesWithPlaceholderStyle = true; }
+
+ const String& iconURL() const { return m_iconURL; }
+ void setIconURL(const String& iconURL, const String& type);
+
+ void setUseSecureKeyboardEntryWhenActive(bool);
+ bool useSecureKeyboardEntryWhenActive() const;
+
+ void addNodeListCache() { ++m_numNodeListCaches; }
+ void removeNodeListCache() { ASSERT(m_numNodeListCaches > 0); --m_numNodeListCaches; }
+ bool hasNodeListCaches() const { return m_numNodeListCaches; }
+
+ void updateFocusAppearanceSoon(bool restorePreviousSelection);
+ void cancelFocusAppearanceUpdate();
+
+ // FF method for accessing the selection added for compatibility.
+ DOMSelection* getSelection() const;
+
+ // Extension for manipulating canvas drawing contexts for use in CSS
+ CanvasRenderingContext* getCSSCanvasContext(const String& type, const String& name, int width, int height);
+ HTMLCanvasElement* getCSSCanvasElement(const String& name);
+
+ bool isDNSPrefetchEnabled() const { return m_isDNSPrefetchEnabled; }
+ void parseDNSPrefetchControlHeader(const String&);
+
+ virtual void reportException(const String& errorMessage, int lineNumber, const String& sourceURL);
+ virtual void addMessage(MessageSource, MessageType, MessageLevel, const String& message, unsigned lineNumber, const String& sourceURL);
+ virtual void postTask(PassOwnPtr<Task>); // Executes the task on context's thread asynchronously.
+
+#if USE(JSC)
+ typedef JSC::WeakGCMap<WebCore::Node*, JSNode*> JSWrapperCache;
+ typedef HashMap<DOMWrapperWorld*, JSWrapperCache*> JSWrapperCacheMap;
+ JSWrapperCacheMap& wrapperCacheMap() { return m_wrapperCacheMap; }
+ JSWrapperCache* getWrapperCache(DOMWrapperWorld* world);
+ JSWrapperCache* createWrapperCache(DOMWrapperWorld*);
+ void destroyWrapperCache(DOMWrapperWorld*);
+ void destroyAllWrapperCaches();
+#endif
+
+ virtual void finishedParsing();
+
+ bool inPageCache() const { return m_inPageCache; }
+ void setInPageCache(bool flag);
+
+ // Elements can register themselves for the "documentWillBecomeInactive()" and
+ // "documentDidBecomeActive()" callbacks
+ void registerForDocumentActivationCallbacks(Element*);
+ void unregisterForDocumentActivationCallbacks(Element*);
+ void documentWillBecomeInactive();
+ void documentDidBecomeActive();
+
+ void registerForMediaVolumeCallbacks(Element*);
+ void unregisterForMediaVolumeCallbacks(Element*);
+ void mediaVolumeDidChange();
+
+ void setShouldCreateRenderers(bool);
+ bool shouldCreateRenderers();
+
+ void setDecoder(PassRefPtr<TextResourceDecoder>);
+ TextResourceDecoder* decoder() const { return m_decoder.get(); }
+
+ String displayStringModifiedByEncoding(const String&) const;
+ PassRefPtr<StringImpl> displayStringModifiedByEncoding(PassRefPtr<StringImpl>) const;
+ void displayBufferModifiedByEncoding(UChar* buffer, unsigned len) const;
+
+ // Quirk for the benefit of Apple's Dictionary application.
+ void setFrameElementsShouldIgnoreScrolling(bool ignore) { m_frameElementsShouldIgnoreScrolling = ignore; }
+ bool frameElementsShouldIgnoreScrolling() const { return m_frameElementsShouldIgnoreScrolling; }
+
+#if ENABLE(DASHBOARD_SUPPORT)
+ void setDashboardRegionsDirty(bool f) { m_dashboardRegionsDirty = f; }
+ bool dashboardRegionsDirty() const { return m_dashboardRegionsDirty; }
+ bool hasDashboardRegions () const { return m_hasDashboardRegions; }
+ void setHasDashboardRegions(bool f) { m_hasDashboardRegions = f; }
+ const Vector<DashboardRegionValue>& dashboardRegions() const;
+ void setDashboardRegions(const Vector<DashboardRegionValue>&);
+#endif
+
+ virtual void removeAllEventListeners();
+
+ CheckedRadioButtons& checkedRadioButtons() { return m_checkedRadioButtons; }
+
+#if ENABLE(SVG)
+ const SVGDocumentExtensions* svgExtensions();
+ SVGDocumentExtensions* accessSVGExtensions();
+#endif
+
+ void initSecurityContext();
+
+ // Explicitly override the security origin for this document.
+ // Note: It is dangerous to change the security origin of a document
+ // that already contains content.
+ void setSecurityOrigin(SecurityOrigin*);
+
+ void updateURLForPushOrReplaceState(const KURL&);
+ void statePopped(SerializedScriptValue*);
+
+ bool processingLoadEvent() const { return m_processingLoadEvent; }
+
+#if ENABLE(DATABASE)
+ virtual bool isDatabaseReadOnly() const;
+ virtual void databaseExceededQuota(const String& name);
+#endif
+
+ virtual bool isContextThread() const;
+ virtual bool isJSExecutionTerminated() const { return false; }
+
+ void setUsingGeolocation(bool f) { m_usingGeolocation = f; }
+ bool usingGeolocation() const { return m_usingGeolocation; };
+
+#if ENABLE(WML)
+ void setContainsWMLContent(bool value) { m_containsWMLContent = value; }
+ bool containsWMLContent() const { return m_containsWMLContent; }
+
+ void resetWMLPageState();
+ void initializeWMLPageState();
+#endif
+
+ bool containsValidityStyleRules() const { return m_containsValidityStyleRules; }
+ void setContainsValidityStyleRules() { m_containsValidityStyleRules = true; }
+
+ void enqueueEvent(PassRefPtr<Event>);
+ void enqueuePageshowEvent(PageshowEventPersistence);
+ void enqueueHashchangeEvent(const String& oldURL, const String& newURL);
+
+ void addMediaCanStartListener(MediaCanStartListener*);
+ void removeMediaCanStartListener(MediaCanStartListener*);
+ MediaCanStartListener* takeAnyMediaCanStartListener();
+
+ const QualifiedName& idAttributeName() const { return m_idAttributeName; }
+
+protected:
+ Document(Frame*, const KURL&, bool isXHTML, bool isHTML);
+
+ void clearXMLVersion() { m_xmlVersion = String(); }
+
+private:
+
+ typedef void (*ArgumentsCallback)(const String& keyString, const String& valueString, Document*, void* data);
+ void processArguments(const String& features, void* data, ArgumentsCallback);
+
+ virtual bool isDocument() const { return true; }
+ virtual void removedLastRef();
+ virtual void determineParseMode() { }
+
+ virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
+
+ virtual String nodeName() const;
+ virtual NodeType nodeType() const;
+ virtual bool childTypeAllowed(NodeType);
+ virtual PassRefPtr<Node> cloneNode(bool deep);
+ virtual bool canReplaceChild(Node* newChild, Node* oldChild);
+
+ virtual void refScriptExecutionContext() { ref(); }
+ virtual void derefScriptExecutionContext() { deref(); }
+
+ virtual const KURL& virtualURL() const; // Same as url(), but needed for ScriptExecutionContext to implement it without a performance loss for direct calls.
+ virtual KURL virtualCompleteURL(const String&) const; // Same as completeURL() for the same reason as above.
+
+ void initDNSPrefetch();
+
+ String encoding() const;
+
+ void executeScriptSoonTimerFired(Timer<Document>*);
+
+ void updateTitle();
+ void updateFocusAppearanceTimerFired(Timer<Document>*);
+ void updateBaseURL();
+
+ void cacheDocumentElement() const;
+
+ void createStyleSelector();
+
+ void enqueuePopstateEvent(PassRefPtr<SerializedScriptValue> stateObject);
+ void pendingEventTimerFired(Timer<Document>*);
+
+ PassRefPtr<NodeList> handleZeroPadding(const HitTestRequest&, HitTestResult&) const;
+
+ OwnPtr<CSSStyleSelector> m_styleSelector;
+ bool m_didCalculateStyleSelector;
+
+ Frame* m_frame;
+ OwnPtr<DocLoader> m_docLoader;
+ OwnPtr<DocumentParser> m_parser;
+ bool m_wellFormed;
+
+ // Document URLs.
+ KURL m_url; // Document.URL: The URL from which this document was retrieved.
+ KURL m_baseURL; // Node.baseURI: The URL to use when resolving relative URLs.
+ KURL m_baseElementURL; // The URL set by the <base> element.
+ KURL m_cookieURL; // The URL to use for cookie access.
+ KURL m_firstPartyForCookies; // The policy URL for third-party cookie blocking.
+
+ // Document.documentURI:
+ // Although URL-like, Document.documentURI can actually be set to any
+ // string by content. Document.documentURI affects m_baseURL unless the
+ // document contains a <base> element, in which case the <base> element
+ // takes precedence.
+ String m_documentURI;
+
+ String m_baseTarget;
+
+ RefPtr<DocumentType> m_docType;
+ mutable RefPtr<DOMImplementation> m_implementation;
+
+ // Track the number of currently loading top-level stylesheets. Sheets
+ // loaded using the @import directive are not included in this count.
+ // We use this count of pending sheets to detect when we can begin attaching
+ // elements.
+ int m_pendingStylesheets;
+
+ // But sometimes you need to ignore pending stylesheet count to
+ // force an immediate layout when requested by JS.
+ bool m_ignorePendingStylesheets;
+
+ // If we do ignore the pending stylesheet count, then we need to add a boolean
+ // to track that this happened so that we can do a full repaint when the stylesheets
+ // do eventually load.
+ PendingSheetLayout m_pendingSheetLayout;
+
+ bool m_hasNodesWithPlaceholderStyle;
+
+ RefPtr<CSSStyleSheet> m_elemSheet;
+ RefPtr<CSSStyleSheet> m_mappedElementSheet;
+ RefPtr<CSSStyleSheet> m_pageUserSheet;
+ mutable OwnPtr<Vector<RefPtr<CSSStyleSheet> > > m_pageGroupUserSheets;
+ mutable bool m_pageGroupUserSheetCacheValid;
+
+ bool m_printing;
+
+ bool m_ignoreAutofocus;
+
+ ParseMode m_parseMode;
+
+ Color m_textColor;
+
+ RefPtr<Node> m_focusedNode;
+ RefPtr<Node> m_hoverNode;
+ RefPtr<Node> m_activeNode;
+ mutable RefPtr<Element> m_documentElement;
+
+ unsigned m_domtree_version;
+
+ HashSet<NodeIterator*> m_nodeIterators;
+ HashSet<Range*> m_ranges;
+
+ unsigned short m_listenerTypes;
+
+ RefPtr<StyleSheetList> m_styleSheets; // All of the stylesheets that are currently in effect for our media type and stylesheet set.
+
+ typedef ListHashSet<Node*, 32> StyleSheetCandidateListHashSet;
+ StyleSheetCandidateListHashSet m_styleSheetCandidateNodes; // All of the nodes that could potentially provide stylesheets to the document (<link>, <style>, <?xml-stylesheet>)
+
+ typedef ListHashSet<Element*, 64> FormElementListHashSet;
+ FormElementListHashSet m_formElementsWithState;
+
+ typedef HashMap<FormElementKey, Vector<String>, FormElementKeyHash, FormElementKeyHashTraits> FormElementStateMap;
+ FormElementStateMap m_stateForNewFormElements;
+
+ Color m_linkColor;
+ Color m_visitedLinkColor;
+ Color m_activeLinkColor;
+
+ String m_preferredStylesheetSet;
+ String m_selectedStylesheetSet;
+
+ bool m_loadingSheet;
+ bool m_visuallyOrdered;
+ bool m_bParsing;
+ Timer<Document> m_styleRecalcTimer;
+ bool m_inStyleRecalc;
+ bool m_closeAfterStyleRecalc;
+ bool m_usesDescendantRules;
+ bool m_usesSiblingRules;
+ bool m_usesFirstLineRules;
+ bool m_usesFirstLetterRules;
+ bool m_usesBeforeAfterRules;
+ bool m_usesRemUnits;
+ bool m_usesLinkRules;
+ bool m_gotoAnchorNeededAfterStylesheetsLoad;
+ bool m_isDNSPrefetchEnabled;
+ bool m_haveExplicitlyDisabledDNSPrefetch;
+ bool m_frameElementsShouldIgnoreScrolling;
+ bool m_containsValidityStyleRules;
+ bool m_updateFocusAppearanceRestoresSelection;
+
+ String m_title;
+ String m_rawTitle;
+ bool m_titleSetExplicitly;
+ RefPtr<Element> m_titleElement;
+
+ OwnPtr<RenderArena> m_renderArena;
+
+ typedef std::pair<Vector<DocumentMarker>, Vector<IntRect> > MarkerMapVectorPair;
+ typedef HashMap<RefPtr<Node>, MarkerMapVectorPair*> MarkerMap;
+ MarkerMap m_markers;
+
+ mutable AXObjectCache* m_axObjectCache;
+
+ Timer<Document> m_updateFocusAppearanceTimer;
+
+ Element* m_cssTarget;
+
+ bool m_processingLoadEvent;
+ RefPtr<SerializedScriptValue> m_pendingStateObject;
+ double m_startTime;
+ bool m_overMinimumLayoutThreshold;
+ // This is used to increase the minimum delay between re-layouts. It is set
+ // using setExtraLayoutDelay to modify the minimum delay used at different
+ // points during the lifetime of the Document.
+ int m_extraLayoutDelay;
+
+ Vector<std::pair<ScriptElementData*, CachedResourceHandle<CachedScript> > > m_scriptsToExecuteSoon;
+ Timer<Document> m_executeScriptSoonTimer;
+
+#if ENABLE(XSLT)
+ OwnPtr<TransformSource> m_transformSource;
+ RefPtr<Document> m_transformSourceDocument;
+#endif
+
+#if ENABLE(XBL)
+ OwnPtr<XBLBindingManager> m_bindingManager; // The access point through which documents and elements communicate with XBL.
+#endif
+
+ typedef HashMap<AtomicStringImpl*, HTMLMapElement*> ImageMapsByName;
+ ImageMapsByName m_imageMapsByName;
+
+ int m_docID; // A unique document identifier used for things like document-specific mapped attributes.
+
+ String m_xmlEncoding;
+ String m_xmlVersion;
+ bool m_xmlStandalone;
+
+ String m_contentLanguage;
+
+#if ENABLE(XHTMLMP)
+ bool m_shouldProcessNoScriptElement;
+#endif
+
+ RenderObject* m_savedRenderer;
+
+ RefPtr<TextResourceDecoder> m_decoder;
+
+ // We maintain the invariant that m_duplicateIds is the count of all elements with a given ID
+ // excluding the one referenced in m_elementsById, if any. This means it one less than the total count
+ // when the first node with a given ID is cached, otherwise the same as the total count.
+ mutable HashMap<AtomicStringImpl*, Element*> m_elementsById;
+ mutable HashCountedSet<AtomicStringImpl*> m_duplicateIds;
+
+ mutable HashMap<StringImpl*, Element*, CaseFoldingHash> m_elementsByAccessKey;
+
+ InheritedBool m_designMode;
+
+ int m_selfOnlyRefCount;
+
+ CheckedRadioButtons m_checkedRadioButtons;
+
+ typedef HashMap<AtomicStringImpl*, CollectionCache*> NamedCollectionMap;
+ FixedArray<CollectionCache, NumUnnamedDocumentCachedTypes> m_collectionInfo;
+ FixedArray<NamedCollectionMap, NumNamedDocumentCachedTypes> m_nameCollectionInfo;
+
+#if ENABLE(XPATH)
+ RefPtr<XPathEvaluator> m_xpathEvaluator;
+#endif
+
+#if ENABLE(SVG)
+ OwnPtr<SVGDocumentExtensions> m_svgExtensions;
+#endif
+
+#if ENABLE(DASHBOARD_SUPPORT)
+ Vector<DashboardRegionValue> m_dashboardRegions;
+ bool m_hasDashboardRegions;
+ bool m_dashboardRegionsDirty;
+#endif
+
+ HashMap<String, RefPtr<HTMLCanvasElement> > m_cssCanvasElements;
+
+ mutable bool m_accessKeyMapValid;
+ bool m_createRenderers;
+ bool m_inPageCache;
+ String m_iconURL;
+
+ HashSet<Element*> m_documentActivationCallbackElements;
+ HashSet<Element*> m_mediaVolumeCallbackElements;
+
+ bool m_useSecureKeyboardEntryWhenActive;
+
+ bool m_isXHTML;
+ bool m_isHTML;
+
+ unsigned m_numNodeListCaches;
+
+#if USE(JSC)
+ JSWrapperCacheMap m_wrapperCacheMap;
+ JSWrapperCache* m_normalWorldWrapperCache;
+#endif
+
+ bool m_usingGeolocation;
+
+ Timer<Document> m_pendingEventTimer;
+ Vector<RefPtr<Event> > m_pendingEventQueue;
+
+#if ENABLE(WML)
+ bool m_containsWMLContent;
+#endif
+
+ RefPtr<DocumentWeakReference> m_weakReference;
+
+ HashSet<MediaCanStartListener*> m_mediaCanStartListeners;
+
+ QualifiedName m_idAttributeName;
+};
+
+inline bool Document::hasElementWithId(AtomicStringImpl* id) const
+{
+ ASSERT(id);
+ return m_elementsById.contains(id) || m_duplicateIds.contains(id);
+}
+
+inline bool Node::isDocumentNode() const
+{
+ return this == m_document;
+}
+
+// here because it uses a Document method but we really want to inline it
+inline Node::Node(Document* document, ConstructionType type)
+ : TreeShared<Node>(initialRefCount(type))
+ , m_document(document)
+ , m_previous(0)
+ , m_next(0)
+ , m_renderer(0)
+ , m_nodeFlags(type)
+{
+ if (m_document)
+ m_document->selfOnlyRef();
+#if !defined(NDEBUG) || (defined(DUMP_NODE_STATISTICS) && DUMP_NODE_STATISTICS)
+ trackForDebugging();
+#endif
+}
+
+} // namespace WebCore
+
+#endif // Document_h