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Diffstat (limited to 'khtml/xml/dom_docimpl.h')
| -rw-r--r-- | khtml/xml/dom_docimpl.h | 763 |
1 files changed, 763 insertions, 0 deletions
diff --git a/khtml/xml/dom_docimpl.h b/khtml/xml/dom_docimpl.h new file mode 100644 index 000000000..51d762325 --- /dev/null +++ b/khtml/xml/dom_docimpl.h @@ -0,0 +1,763 @@ +/* + * This file is part of the DOM implementation for KDE. + * + * Copyright (C) 1999 Lars Knoll (knoll@kde.org) + * (C) 1999 Antti Koivisto (koivisto@kde.org) + * (C) 2001 Dirk Mueller (mueller@kde.org) + * (C) 2002-2003 Apple Computer, Inc. + * (C) 2006 Allan Sandfeld Jensen(kde@carewolf.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 _DOM_DocumentImpl_h_ +#define _DOM_DocumentImpl_h_ + +#include "xml/dom_elementimpl.h" +#include "xml/dom_textimpl.h" +#include "xml/dom2_traversalimpl.h" +#include "misc/shared.h" +#include "misc/loader.h" +#include "misc/seed.h" + +#include <qstringlist.h> +#include <qptrlist.h> +#include <qobject.h> +#include <qintcache.h> +#include <qintdict.h> +#include <qdict.h> +#include <qmap.h> + +#include <kurl.h> + +class QPaintDevice; +class QTextCodec; +class QPaintDeviceMetrics; +class KHTMLView; + +namespace khtml { + class Tokenizer; + class CSSStyleSelector; + class DocLoader; + class CSSStyleSelectorList; + class RenderArena; + class RenderObject; + class CounterNode; + class CachedObject; + class CachedCSSStyleSheet; + class DynamicDomRestyler; +} + +namespace DOM { + + class AbstractViewImpl; + class AttrImpl; + class CDATASectionImpl; + class CSSStyleSheetImpl; + class CommentImpl; + class DocumentFragmentImpl; + class DocumentImpl; + class DocumentType; + class DocumentTypeImpl; + class ElementImpl; + class EntityReferenceImpl; + class EventImpl; + class EventListener; + class GenericRONamedNodeMapImpl; + class HTMLDocumentImpl; + class HTMLElementImpl; + class HTMLImageElementImpl; + class NodeFilter; + class NodeFilterImpl; + class NodeIteratorImpl; + class NodeListImpl; + class ProcessingInstructionImpl; + class RangeImpl; + class RegisteredEventListener; + class StyleSheetImpl; + class StyleSheetListImpl; + class TextImpl; + class TreeWalkerImpl; + +class DOMImplementationImpl : public khtml::Shared<DOMImplementationImpl> +{ +public: + DOMImplementationImpl(); + ~DOMImplementationImpl(); + + // DOM methods & attributes for DOMImplementation + bool hasFeature ( const DOMString &feature, const DOMString &version ); + DocumentTypeImpl *createDocumentType( const DOMString &qualifiedName, const DOMString &publicId, + const DOMString &systemId, int &exceptioncode ); + DocumentImpl *createDocument( const DOMString &namespaceURI, const DOMString &qualifiedName, + const DocumentType &doctype, int &exceptioncode ); + + DOMImplementationImpl* getInterface(const DOMString& feature) const; + + // From the DOMImplementationCSS interface + CSSStyleSheetImpl *createCSSStyleSheet(DOMStringImpl *title, DOMStringImpl *media, int &exceptioncode); + + // From the HTMLDOMImplementation interface + HTMLDocumentImpl* createHTMLDocument( const DOMString& title); + + // Other methods (not part of DOM) + DocumentImpl *createDocument( KHTMLView *v = 0 ); + HTMLDocumentImpl *createHTMLDocument( KHTMLView *v = 0 ); + + // Returns the static instance of this class - only one instance of this class should + // ever be present, and is used as a factory method for creating DocumentImpl objects + static DOMImplementationImpl *instance(); + +protected: + static DOMImplementationImpl *m_instance; +}; + +/** + * @internal A cache of element name (or id) to pointer + * ### KDE4, QHash: better to store values here + */ +class ElementMappingCache +{ +public: + /** + For each name, we hold a reference count, and a + pointer. If the item is in the table, which implies + reference count is > 1, the name is a valid key. + If the pointer is non-null, it points to the appropriate + mapping + */ + struct ItemInfo + { + int ref; + ElementImpl* nd; + }; + + ElementMappingCache(); + + /** + Add a pointer as just one of candidates, not neccesserily the proper one + */ + void add(const QString& id, ElementImpl* nd); + + /** + Set the pointer as the definite mapping; it must have already been added + */ + void set(const QString& id, ElementImpl* nd); + + /** + Remove the item; it must have already been added. + */ + void remove(const QString& id, ElementImpl* nd); + + /** + Returns true if the item exists + */ + bool contains(const QString& id); + + /** + Returns the information for the given ID + */ + ItemInfo* get(const QString& id); +private: + QDict<ItemInfo> m_dict; +}; + + +/** + * @internal + */ +class DocumentImpl : public QObject, private khtml::CachedObjectClient, public NodeBaseImpl +{ + Q_OBJECT +public: + DocumentImpl(DOMImplementationImpl *_implementation, KHTMLView *v); + ~DocumentImpl(); + + // DOM methods & attributes for Document + + DocumentTypeImpl *doctype() const; + + DOMImplementationImpl *implementation() const; + ElementImpl *documentElement() const; + virtual ElementImpl *createElement ( const DOMString &tagName, int* pExceptioncode = 0 ); + virtual AttrImpl *createAttribute( const DOMString &tagName, int* pExceptioncode = 0 ); + DocumentFragmentImpl *createDocumentFragment (); + TextImpl *createTextNode ( DOMStringImpl* data ) { return new TextImpl( docPtr(), data); } + TextImpl *createTextNode ( const QString& data ) + { return createTextNode(new DOMStringImpl(data.unicode(), data.length())); } + CommentImpl *createComment ( DOMStringImpl* data ); + CDATASectionImpl *createCDATASection ( DOMStringImpl* data ); + ProcessingInstructionImpl *createProcessingInstruction ( const DOMString &target, DOMStringImpl* data ); + EntityReferenceImpl *createEntityReference ( const DOMString &name ); + NodeImpl *importNode( NodeImpl *importedNode, bool deep, int &exceptioncode ); + virtual ElementImpl *createElementNS ( const DOMString &_namespaceURI, const DOMString &_qualifiedName, + int* pExceptioncode = 0 ); + virtual AttrImpl *createAttributeNS( const DOMString &_namespaceURI, const DOMString &_qualifiedName, + int* pExceptioncode = 0 ); + ElementImpl *getElementById ( const DOMString &elementId ) const; + + // Actually part of HTMLDocument, but used for giving XML documents a window title as well + DOMString title() const { return m_title; } + void setTitle(const DOMString& _title); + + // DOM methods overridden from parent classes + + virtual DOMString nodeName() const; + virtual unsigned short nodeType() const; + + virtual DOMStringImpl* textContent() const; + virtual void setTextContent( const DOMString &text, int& exceptioncode ); + + // Other methods (not part of DOM) + virtual bool isDocumentNode() const { return true; } + virtual bool isHTMLDocument() const { return false; } + + virtual ElementImpl *createHTMLElement ( const DOMString &tagName ); + + khtml::CSSStyleSelector *styleSelector() { return m_styleSelector; } + + /** + * Updates the pending sheet count and then calls updateStyleSelector. + */ + void styleSheetLoaded(); + + /** + * This method returns true if all top-level stylesheets have loaded (including + * any \@imports that they may be loading). + */ + bool haveStylesheetsLoaded() { 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++; } + + /** + * Returns true if the document has pending stylesheets + * loading. + */ + bool hasPendingSheets() const { return m_pendingStylesheets; } + + /** + * 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. + * + * @param shallow If the stylesheet list for the document is unchanged, with only added or removed rules + * in existing sheets, then set this argument to true for efficiency. + */ + void updateStyleSelector(bool shallow=false); + + void recalcStyleSelector(); + void rebuildStyleSelector(); + + QString nextState(); + + // Query all registered elements for their state + QStringList docState(); + bool unsubmittedFormChanges(); + void registerMaintainsState(NodeImpl* e) { m_maintainsState.append(e); } + void deregisterMaintainsState(NodeImpl* e) { m_maintainsState.removeRef(e); } + + // Set the state the document should restore to + void setRestoreState( const QStringList &s) { m_state = s; } + + KHTMLView *view() const { return m_view; } + KHTMLPart* part() const; + + RangeImpl *createRange(); + + NodeIteratorImpl *createNodeIterator(NodeImpl *root, unsigned long whatToShow, + NodeFilter &filter, bool entityReferenceExpansion, int &exceptioncode); + + TreeWalkerImpl *createTreeWalker(NodeImpl *root, unsigned long whatToShow, NodeFilterImpl *filter, + bool entityReferenceExpansion, int &exceptioncode); + + virtual void recalcStyle( StyleChange = NoChange ); + static QPtrList<DocumentImpl> * changedDocuments; + virtual void updateRendering(); + void updateLayout(); + static void updateDocumentsRendering(); + khtml::DocLoader *docLoader() { return m_docLoader; } + + virtual void attach(); + virtual void detach(); + + khtml::RenderArena* renderArena() { return m_renderArena.get(); } + + // to get visually ordered hebrew and arabic pages right + void setVisuallyOrdered(); + // to get URL decoding right + void setDecoderCodec(const QTextCodec *codec); + + void setSelection(NodeImpl* s, int sp, NodeImpl* e, int ep); + void clearSelection(); + + void open ( bool clearEventListeners = true ); + virtual void close ( ); + void write ( const DOMString &text ); + void write ( const QString &text ); + void writeln ( const DOMString &text ); + void finishParsing ( ); + + KURL URL() const { return m_url; } + void setURL(const QString& url) { m_url = url; } + + KURL baseURL() const { return m_baseURL.isEmpty() ? m_url : m_baseURL; } + void setBaseURL(const KURL& baseURL) { m_baseURL = baseURL; } + + QString baseTarget() const { return m_baseTarget; } + void setBaseTarget(const QString& baseTarget) { m_baseTarget = baseTarget; } + + QString completeURL(const QString& url) const { return KURL(baseURL(),url,m_decoderMibEnum).url(); }; + DOMString canonURL(const DOMString& url) const { return url.isEmpty() ? url : completeURL(url.string()); } + + void setUserStyleSheet(const QString& sheet); + QString userStyleSheet() const { return m_usersheet; } + void setPrintStyleSheet(const QString& sheet) { m_printSheet = sheet; } + QString printStyleSheet() const { return m_printSheet; } + + CSSStyleSheetImpl* elementSheet(); + virtual khtml::Tokenizer *createTokenizer(); + khtml::Tokenizer *tokenizer() { return m_tokenizer; } + + QPaintDeviceMetrics *paintDeviceMetrics() { return m_paintDeviceMetrics; } + QPaintDevice *paintDevice() const { return m_paintDevice; } + void setPaintDevice( QPaintDevice *dev ); + + enum HTMLMode { + Html3 = 0, + Html4 = 1, + XHtml = 2 + }; + + enum ParseMode { + Unknown, + Compat, + Transitional, + Strict + }; + virtual void determineParseMode( const QString &str ); + void setParseMode( ParseMode m ) { pMode = m; } + ParseMode parseMode() const { return pMode; } + + bool inCompatMode() const { return pMode == Compat; } + bool inTransitionalMode() const { return pMode == Transitional; } + bool inStrictMode() const { return pMode == Strict; } + + //void setHTMLMode( HTMLMode m ) { hMode = m; } + HTMLMode htmlMode() const { return hMode; } + + void setParsing(bool b) { m_bParsing = b; } + bool parsing() const { return m_bParsing; } + + void setTextColor( QColor color ) { m_textColor = color; } + QColor textColor() const { return m_textColor; } + + void setDesignMode(bool b); + bool designMode() const; + + // internal + bool prepareMouseEvent( bool readonly, int x, int y, MouseEvent *ev ); + + virtual bool childTypeAllowed( unsigned short nodeType ); + virtual NodeImpl *cloneNode ( bool deep ); + + NodeImpl::Id getId( NodeImpl::IdType _type, DOMStringImpl* _nsURI, DOMStringImpl *_localName, + DOMStringImpl *_prefix, bool readonly, bool lookupHTML, int *pExceptioncode = 0); + NodeImpl::Id getId( NodeImpl::IdType _type, DOMStringImpl *_nodeName, bool readonly, bool lookupHTML, + int *pExceptioncode = 0); + DOMString getName( NodeImpl::IdType _type, NodeImpl::Id _id ) const; + + StyleSheetListImpl* styleSheets() { return m_styleSheets; }; + + DOMString preferredStylesheetSet() const { return m_preferredStylesheetSet; } + DOMString selectedStylesheetSet() const; + void setSelectedStylesheetSet(const DOMString&); + void setPreferredStylesheetSet(const DOMString& s) { m_preferredStylesheetSet = s; } + + void addStyleSheet(StyleSheetImpl *, int *exceptioncode = 0); + void removeStyleSheet(StyleSheetImpl *, int *exceptioncode = 0); + + QStringList availableStyleSheets() const { return m_availableSheets; } + + NodeImpl* hoverNode() const { return m_hoverNode; } + void setHoverNode(NodeImpl *newHoverNode); + NodeImpl *focusNode() const { return m_focusNode; } + void setFocusNode(NodeImpl *newFocusNode); + NodeImpl* activeNode() const { return m_activeNode; } + void setActiveNode(NodeImpl *newActiveNode); + + // Updates for :target (CSS3 selector). + void setCSSTarget(NodeImpl* n); + NodeImpl* getCSSTarget() { return m_cssTarget; } + + bool isDocumentChanged() { return m_docChanged; } + virtual void setDocumentChanged(bool = true); + void attachNodeIterator(NodeIteratorImpl *ni); + void detachNodeIterator(NodeIteratorImpl *ni); + void notifyBeforeNodeRemoval(NodeImpl *n); + AbstractViewImpl *defaultView() const { return m_defaultView; } + EventImpl *createEvent(const DOMString &eventType, int &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 + }; + + bool hasListenerType(ListenerType listenerType) const { return (m_listenerTypes & listenerType); } + void addListenerType(ListenerType listenerType) { m_listenerTypes = m_listenerTypes | listenerType; } + + CSSStyleDeclarationImpl *getOverrideStyle(ElementImpl *elt, DOMStringImpl *pseudoElt); + + bool async() const { return m_async; } + void setAsync(bool b) { m_async = b; } + void abort(); + void load(const DOMString &uri); + void loadXML(const DOMString &source); + // from cachedObjectClient + void setStyleSheet(const DOM::DOMString &url, const DOM::DOMString &sheet, const DOM::DOMString &charset); + void error(int err, const QString &text); + + typedef QMap<QString, ProcessingInstructionImpl*> LocalStyleRefs; + LocalStyleRefs* localStyleRefs() { return &m_localStyleRefs; } + + virtual void defaultEventHandler(EventImpl *evt); + virtual void setHTMLWindowEventListener(int id, EventListener *listener); + EventListener *getHTMLWindowEventListener(int id); + EventListener *createHTMLEventListener(const QString& code, const QString& name, NodeImpl* node); + + void addWindowEventListener(int id, EventListener *listener, const bool useCapture); + void removeWindowEventListener(int id, EventListener *listener, bool useCapture); + bool hasWindowEventListener(int id); + + EventListener *createHTMLEventListener(QString code); + + /** + * 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 + */ + NodeImpl *nextFocusNode(NodeImpl *fromNode); + + /** + * 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 + */ + NodeImpl *previousFocusNode(NodeImpl *fromNode); + + ElementImpl* findAccessKeyElement(QChar c); + + int nodeAbsIndex(NodeImpl *node); + NodeImpl *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 DOMString &equiv, const DOMString &content); + + void dispatchImageLoadEventSoon(HTMLImageElementImpl *); + void dispatchImageLoadEventsNow(); + void removeImage(HTMLImageElementImpl *); + virtual void timerEvent(QTimerEvent *); + + // Returns the owning element in the parent document. + // Returns 0 if this is the top level document. + ElementImpl *ownerElement() const; + + DOMString domain() const; + void setDomain( const DOMString &newDomain ); // not part of the DOM + + bool isURLAllowed(const QString& url) const; + + HTMLElementImpl* body(); + + DOMString toString() const; + + void incDOMTreeVersion() { ++m_domtree_version; } + unsigned int domTreeVersion() const { return m_domtree_version; } + + QDict<khtml::CounterNode>* counters(const khtml::RenderObject* o) { return m_counterDict[(void*)o]; } + void setCounters(const khtml::RenderObject* o, QDict<khtml::CounterNode> *dict) { m_counterDict.insert((void*)o, dict);} + void removeCounters(const khtml::RenderObject* o) { m_counterDict.remove((void*)o); } + + + ElementMappingCache& underDocNamedCache() { + return m_underDocNamedCache; + } + + NodeListImpl::Cache* acquireCachedNodeListInfo(NodeListImpl::CacheFactory* fact, + NodeImpl* base, int type); + void releaseCachedNodeListInfo(NodeListImpl::Cache* cache); + + ElementMappingCache& getElementByIdCache() const { + return m_getElementByIdCache; + } + + QString contentLanguage() const { return m_contentLanguage; } + void setContentLanguage(const QString& cl) { m_contentLanguage = cl; } + + khtml::DynamicDomRestyler& dynamicDomRestyler() { return *m_dynamicDomRestyler; } + const khtml::DynamicDomRestyler& dynamicDomRestyler() const { return *m_dynamicDomRestyler; } + +signals: + void finishedParsing(); + +protected: + khtml::CSSStyleSelector *m_styleSelector; + KHTMLView *m_view; + QStringList m_state; + + khtml::DocLoader *m_docLoader; + khtml::Tokenizer *m_tokenizer; + KURL m_url; + KURL m_baseURL; + QString m_baseTarget; + + DocumentTypeImpl *m_doctype; + DOMImplementationImpl *m_implementation; + + QString m_usersheet; + QString m_printSheet; + QStringList m_availableSheets; + + QString m_contentLanguage; + + // 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; + bool m_ignorePendingStylesheets; + + CSSStyleSheetImpl *m_elemSheet; + + QPaintDevice *m_paintDevice; + QPaintDeviceMetrics *m_paintDeviceMetrics; + ParseMode pMode; + HTMLMode hMode; + + QColor m_textColor; + NodeImpl *m_hoverNode; + NodeImpl *m_focusNode; + NodeImpl *m_activeNode; + NodeImpl *m_cssTarget; + + unsigned int m_domtree_version; + + struct IdNameMapping { + IdNameMapping(unsigned short _start) + : idStart(_start), count(0) {} + ~IdNameMapping() { + QIntDictIterator<DOM::DOMStringImpl> it(names); + for (; it.current() ; ++it) + it.current()->deref(); + } + unsigned short idStart; + unsigned short count; + QIntDict<DOM::DOMStringImpl> names; + QDict<void> ids; + + void expandIfNeeded() { + if (ids.size() <= ids.count() && ids.size() != khtml_MaxSeed) + ids.resize( khtml::nextSeed(ids.count()) ); + if (names.size() <= names.count() && names.size() != khtml_MaxSeed) + names.resize( khtml::nextSeed(names.count()) ); + } + + void addAlias(DOMStringImpl* _prefix, DOMStringImpl* _name, bool cs, NodeImpl::Id id) { + if(_prefix && _prefix->l) { + QConstString n(_name->s, _name->l); + QConstString px( _prefix->s, _prefix->l ); + QString name = cs ? n.string() : n.string().upper(); + QString qn("aliases: " + (cs ? px.string() : px.string().upper()) + ":" + name); + if (!ids.find( qn )) { + ids.insert( qn, (void*)id ); + } + } + expandIfNeeded(); + } + + }; + + IdNameMapping *m_attrMap; + IdNameMapping *m_elementMap; + IdNameMapping *m_namespaceMap; + + QPtrList<NodeIteratorImpl> m_nodeIterators; + AbstractViewImpl *m_defaultView; + + unsigned short m_listenerTypes; + StyleSheetListImpl* m_styleSheets; + StyleSheetListImpl *m_addedStyleSheets; // programmatically added style sheets + LocalStyleRefs m_localStyleRefs; // references to inlined style elements + RegisteredListenerList m_windowEventListeners; + QPtrList<NodeImpl> m_maintainsState; + + // ### evaluate for placement in RenderStyle + QPtrDict<QDict<khtml::CounterNode> > m_counterDict; + + khtml::DynamicDomRestyler *m_dynamicDomRestyler; + + bool visuallyOrdered; + bool m_bParsing; + bool m_docChanged; + bool m_styleSelectorDirty; + bool m_inStyleRecalc; + bool m_async; + bool m_hadLoadError; + bool m_docLoading; + bool m_inSyncLoad; + + DOMString m_title; + DOMString m_preferredStylesheetSet; + khtml::CachedCSSStyleSheet *m_loadingXMLDoc; + + int m_decoderMibEnum; + + //Forms, images, etc., must be quickly accessible via document.name. + ElementMappingCache m_underDocNamedCache; + + //Cache for nodelists and collections. + QIntDict<NodeListImpl::Cache> m_nodeListCache; + + QPtrList<HTMLImageElementImpl> m_imageLoadEventDispatchSoonList; + QPtrList<HTMLImageElementImpl> m_imageLoadEventDispatchingList; + int m_imageLoadEventTimer; + + //Cache for getElementById + mutable ElementMappingCache m_getElementByIdCache; + + khtml::SharedPtr<khtml::RenderArena> m_renderArena; +private: + mutable DOMString m_domain; + int m_selfOnlyRefCount; +public: + // 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() { ++m_selfOnlyRefCount; } + void selfOnlyDeref() { + --m_selfOnlyRefCount; + if (!m_selfOnlyRefCount && !refCount()) + delete this; + } + + // This is called when our last outside reference dies + virtual void removedLastRef(); +}; + +class DocumentFragmentImpl : public NodeBaseImpl +{ +public: + DocumentFragmentImpl(DocumentImpl *doc); + DocumentFragmentImpl(const DocumentFragmentImpl &other); + + // DOM methods overridden from parent classes + virtual DOMString nodeName() const; + virtual unsigned short nodeType() const; + virtual NodeImpl *cloneNode ( bool deep ); + + // Other methods (not part of DOM) + virtual bool childTypeAllowed( unsigned short type ); + + virtual DOMString toString() const; +}; + + +class DocumentTypeImpl : public NodeImpl +{ +public: + DocumentTypeImpl(DOMImplementationImpl *_implementation, DocumentImpl *doc, + const DOMString &qualifiedName, const DOMString &publicId, + const DOMString &systemId); + ~DocumentTypeImpl(); + + // DOM methods & attributes for DocumentType + NamedNodeMapImpl *entities() const; + NamedNodeMapImpl *notations() const; + + DOMString name() const { return m_qualifiedName; } + DOMString publicId() const { return m_publicId; } + DOMString systemId() const { return m_systemId; } + DOMString internalSubset() const { return m_subset; } + + // DOM methods overridden from parent classes + virtual DOMString nodeName() const; + virtual unsigned short nodeType() const; + virtual bool childTypeAllowed( unsigned short type ); + virtual NodeImpl *cloneNode ( bool deep ); + + virtual DOMStringImpl* textContent() const; + virtual void setTextContent( const DOMString &text, int& exceptioncode ); + + // Other methods (not part of DOM) + void setName(const DOMString& n) { m_qualifiedName = n; } + void setPublicId(const DOMString& publicId) { m_publicId = publicId; } + void setSystemId(const DOMString& systemId) { m_systemId = systemId; } + DOMImplementationImpl *implementation() const { return m_implementation; } + void copyFrom(const DocumentTypeImpl&); + + virtual DOMString toString() const; + +protected: + DOMImplementationImpl *m_implementation; + mutable NamedNodeMapImpl* m_entities; + mutable NamedNodeMapImpl* m_notations; + + DOMString m_qualifiedName; + DOMString m_publicId; + DOMString m_systemId; + DOMString m_subset; +}; + +} //namespace +#endif |