398 lines
14 KiB
C++
398 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 sw=2 et tw=80: */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsHTMLDocument_h___
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#define nsHTMLDocument_h___
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#include "nsDocument.h"
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#include "nsIHTMLDocument.h"
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#include "nsIDOMHTMLDocument.h"
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#include "nsIDOMNSHTMLDocument.h"
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#include "nsIDOMHTMLBodyElement.h"
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#include "nsIDOMHTMLMapElement.h"
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#include "nsIDOMHTMLCollection.h"
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#include "nsIScriptElement.h"
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#include "jsapi.h"
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#include "pldhash.h"
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#include "nsIHttpChannel.h"
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#include "nsHTMLStyleSheet.h"
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// Document.Write() related
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#include "nsIWyciwygChannel.h"
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#include "nsILoadGroup.h"
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#include "nsNetUtil.h"
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#include "nsICommandManager.h"
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class nsIEditor;
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class nsIEditorDocShell;
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class nsIParser;
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class nsIURI;
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class nsIMarkupDocumentViewer;
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class nsIDocumentCharsetInfo;
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class nsICacheEntryDescriptor;
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class nsHTMLDocument : public nsDocument,
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public nsIHTMLDocument,
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public nsIDOMHTMLDocument,
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public nsIDOMNSHTMLDocument
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{
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public:
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nsHTMLDocument();
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virtual ~nsHTMLDocument();
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virtual nsresult Init();
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NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr);
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NS_IMETHOD_(nsrefcnt) AddRef(void);
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NS_IMETHOD_(nsrefcnt) Release(void);
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virtual void Reset(nsIChannel* aChannel, nsILoadGroup* aLoadGroup);
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virtual void ResetToURI(nsIURI* aURI, nsILoadGroup* aLoadGroup,
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nsIPrincipal* aPrincipal);
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virtual nsStyleSet::sheetType GetAttrSheetType();
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virtual nsresult CreateShell(nsPresContext* aContext,
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nsIViewManager* aViewManager,
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nsStyleSet* aStyleSet,
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nsIPresShell** aInstancePtrResult);
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virtual nsresult StartDocumentLoad(const char* aCommand,
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nsIChannel* aChannel,
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nsILoadGroup* aLoadGroup,
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nsISupports* aContainer,
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nsIStreamListener **aDocListener,
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PRBool aReset = PR_TRUE,
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nsIContentSink* aSink = nsnull);
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virtual void StopDocumentLoad();
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virtual void EndLoad();
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virtual nsresult AddImageMap(nsIDOMHTMLMapElement* aMap);
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virtual void RemoveImageMap(nsIDOMHTMLMapElement* aMap);
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virtual nsIDOMHTMLMapElement *GetImageMap(const nsAString& aMapName);
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virtual void SetCompatibilityMode(nsCompatibility aMode);
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virtual PRBool IsWriting()
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{
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return mWriteLevel != PRUint32(0);
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}
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virtual PRBool GetIsFrameset() { return mIsFrameset; }
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virtual void SetIsFrameset(PRBool aFrameset) { mIsFrameset = aFrameset; }
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virtual NS_HIDDEN_(nsContentList*) GetForms();
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virtual NS_HIDDEN_(nsContentList*) GetFormControls();
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virtual void AttributeWillChange(nsIContent* aChild,
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PRInt32 aNameSpaceID,
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nsIAtom* aAttribute);
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virtual PRBool IsCaseSensitive();
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// nsIMutationObserver
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NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED
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NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED
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NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED
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NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
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// nsIDOMDocument interface
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NS_DECL_NSIDOMDOCUMENT
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// nsIDOM3Document interface
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NS_IMETHOD GetXmlEncoding(nsAString& aXmlVersion);
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NS_IMETHOD GetXmlStandalone(PRBool *aXmlStandalone);
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NS_IMETHOD SetXmlStandalone(PRBool aXmlStandalone);
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NS_IMETHOD GetXmlVersion(nsAString& aXmlVersion);
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NS_IMETHOD SetXmlVersion(const nsAString& aXmlVersion);
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// nsIDOMNode interface
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NS_FORWARD_NSIDOMNODE(nsDocument::)
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// nsIDOM3Node interface
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NS_IMETHOD GetBaseURI(nsAString& aBaseURI);
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// nsIDOMHTMLDocument interface
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NS_IMETHOD GetTitle(nsAString & aTitle);
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NS_IMETHOD SetTitle(const nsAString & aTitle);
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NS_IMETHOD GetReferrer(nsAString & aReferrer);
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NS_IMETHOD GetURL(nsAString & aURL);
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NS_IMETHOD GetBody(nsIDOMHTMLElement * *aBody);
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NS_IMETHOD SetBody(nsIDOMHTMLElement * aBody);
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NS_IMETHOD GetImages(nsIDOMHTMLCollection * *aImages);
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NS_IMETHOD GetApplets(nsIDOMHTMLCollection * *aApplets);
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NS_IMETHOD GetLinks(nsIDOMHTMLCollection * *aLinks);
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NS_IMETHOD GetForms(nsIDOMHTMLCollection * *aForms);
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NS_IMETHOD GetAnchors(nsIDOMHTMLCollection * *aAnchors);
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NS_IMETHOD GetCookie(nsAString & aCookie);
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NS_IMETHOD SetCookie(const nsAString & aCookie);
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NS_IMETHOD Open(void);
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NS_IMETHOD Close(void);
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NS_IMETHOD Write(const nsAString & text);
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NS_IMETHOD Writeln(const nsAString & text);
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NS_IMETHOD GetElementsByName(const nsAString & elementName,
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nsIDOMNodeList **_retval);
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virtual nsresult GetDocumentAllResult(const nsAString& aID,
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nsISupports** aResult);
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// nsIDOMNSHTMLDocument interface
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NS_DECL_NSIDOMNSHTMLDOCUMENT
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virtual nsresult ResolveName(const nsAString& aName,
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nsIDOMHTMLFormElement *aForm,
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nsISupports **aResult);
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virtual void ScriptLoading(nsIScriptElement *aScript);
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virtual void ScriptExecuted(nsIScriptElement *aScript);
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virtual void AddedForm();
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virtual void RemovedForm();
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virtual PRInt32 GetNumFormsSynchronous();
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PRBool IsXHTML()
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{
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return mDefaultNamespaceID == kNameSpaceID_XHTML;
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}
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#ifdef DEBUG
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virtual nsresult CreateElem(nsIAtom *aName, nsIAtom *aPrefix,
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PRInt32 aNamespaceID,
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PRBool aDocumentDefaultType,
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nsIContent** aResult);
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#endif
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nsresult ChangeContentEditableCount(nsIContent *aElement, PRInt32 aChange);
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virtual EditingState GetEditingState()
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{
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return mEditingState;
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}
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virtual void DisableCookieAccess()
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{
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mDisableCookieAccess = PR_TRUE;
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}
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void EndUpdate(nsUpdateType aUpdateType);
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED_NO_UNLINK(nsHTMLDocument, nsDocument)
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virtual already_AddRefed<nsIParser> GetFragmentParser() {
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return mFragmentParser.forget();
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}
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virtual void SetFragmentParser(nsIParser* aParser) {
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mFragmentParser = aParser;
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}
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protected:
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nsresult GetBodySize(PRInt32* aWidth,
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PRInt32* aHeight);
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nsresult RegisterNamedItems(nsIContent *aContent);
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nsresult UnregisterNamedItems(nsIContent *aContent);
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nsresult UpdateNameTableEntry(nsIAtom* aName, nsIContent *aContent);
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nsresult UpdateIdTableEntry(nsIAtom* aId, nsIContent *aContent);
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nsresult RemoveFromNameTable(nsIAtom* aName, nsIContent *aContent);
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nsresult RemoveFromIdTable(nsIContent *aContent);
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void InvalidateHashTables();
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nsresult PrePopulateHashTables();
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nsIContent *MatchId(nsIContent *aContent, const nsAString& aId);
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static PRBool MatchLinks(nsIContent *aContent, PRInt32 aNamespaceID,
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nsIAtom* aAtom, void* aData);
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static PRBool MatchAnchors(nsIContent *aContent, PRInt32 aNamespaceID,
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nsIAtom* aAtom, void* aData);
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static PRBool MatchNameAttribute(nsIContent* aContent, PRInt32 aNamespaceID,
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nsIAtom* aAtom, void* aData);
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static void DocumentWriteTerminationFunc(nsISupports *aRef);
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nsIContent* GetBodyContent();
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void GetDomainURI(nsIURI **uri);
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nsresult WriteCommon(const nsAString& aText,
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PRBool aNewlineTerminate);
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nsresult ScriptWriteCommon(PRBool aNewlineTerminate);
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nsresult OpenCommon(const nsACString& aContentType, PRBool aReplace);
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nsresult CreateAndAddWyciwygChannel(void);
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nsresult RemoveWyciwygChannel(void);
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void *GenerateParserKey(void);
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PRInt32 GetDefaultNamespaceID() const
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{
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return mDefaultNamespaceID;
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}
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nsCOMArray<nsIDOMHTMLMapElement> mImageMaps;
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nsCOMPtr<nsIDOMHTMLCollection> mImages;
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nsCOMPtr<nsIDOMHTMLCollection> mApplets;
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nsCOMPtr<nsIDOMHTMLCollection> mEmbeds;
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nsCOMPtr<nsIDOMHTMLCollection> mLinks;
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nsCOMPtr<nsIDOMHTMLCollection> mAnchors;
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nsRefPtr<nsContentList> mForms;
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nsRefPtr<nsContentList> mFormControls;
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/** # of forms in the document, synchronously set */
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PRInt32 mNumForms;
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static PRUint32 gWyciwygSessionCnt;
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static PRBool TryHintCharset(nsIMarkupDocumentViewer* aMarkupDV,
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PRInt32& aCharsetSource,
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nsACString& aCharset);
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static PRBool TryUserForcedCharset(nsIMarkupDocumentViewer* aMarkupDV,
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nsIDocumentCharsetInfo* aDocInfo,
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PRInt32& aCharsetSource,
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nsACString& aCharset);
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static PRBool TryCacheCharset(nsICacheEntryDescriptor* aCacheDescriptor,
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PRInt32& aCharsetSource,
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nsACString& aCharset);
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static PRBool TryBookmarkCharset(nsIDocShell* aDocShell,
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nsIChannel* aChannel,
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PRInt32& aCharsetSource,
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nsACString& aCharset);
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// aParentDocument could be null.
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PRBool TryParentCharset(nsIDocumentCharsetInfo* aDocInfo,
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nsIDocument* aParentDocument,
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PRInt32& charsetSource, nsACString& aCharset);
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static PRBool UseWeakDocTypeDefault(PRInt32& aCharsetSource,
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nsACString& aCharset);
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static PRBool TryDefaultCharset(nsIMarkupDocumentViewer* aMarkupDV,
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PRInt32& aCharsetSource,
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nsACString& aCharset);
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void StartAutodetection(nsIDocShell *aDocShell, nsACString& aCharset,
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const char* aCommand);
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// Override so we can munge the charset on our wyciwyg channel as needed.
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virtual void SetDocumentCharacterSet(const nsACString& aCharSetID);
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// mWriteState tracks the status of this document if the document is being
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// entirely created by script. In the normal load case, mWriteState will be
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// eNotWriting. Once document.open has been called (either implicitly or
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// explicitly), mWriteState will be eDocumentOpened. When document.close has
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// been called, mWriteState will become eDocumentClosed if there have been no
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// external script loads in the meantime. If there have been, then mWriteState
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// becomes ePendingClose, indicating that we might still be writing, but that
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// we shouldn't process any further close() calls.
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enum {
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eNotWriting,
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eDocumentOpened,
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ePendingClose,
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eDocumentClosed
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} mWriteState;
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// Tracks if we are currently processing any document.write calls (either
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// implicit or explicit). Note that if a write call writes out something which
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// would block the parser, then mWriteLevel will be incorrect until the parser
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// finishes processing that script.
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PRUint32 mWriteLevel;
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nsSmallVoidArray mPendingScripts;
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// Load flags of the document's channel
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PRUint32 mLoadFlags;
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PRPackedBool mIsFrameset;
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PRPackedBool mTooDeepWriteRecursion;
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PRBool IdTableIsLive() const {
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// live if we've had over 63 misses
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return (mIdMissCount & 0x40) != 0;
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}
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PRBool IdTableShouldBecomeLive() {
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NS_ASSERTION(!IdTableIsLive(),
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"Shouldn't be called if table is already live!");
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++mIdMissCount;
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return IdTableIsLive();
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}
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PRUint8 mIdMissCount;
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/* mIdAndNameHashTable works as follows for IDs:
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* 1) Attribute changes affect the table immediately (removing and adding
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* entries as needed).
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* 2) Removals from the DOM affect the table immediately
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* 3) Additions to the DOM always update existing entries, but only add new
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* ones if IdTableIsLive() is true.
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*/
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PLDHashTable mIdAndNameHashTable;
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nsCOMPtr<nsIWyciwygChannel> mWyciwygChannel;
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/* Midas implementation */
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nsresult GetMidasCommandManager(nsICommandManager** aCommandManager);
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nsCOMPtr<nsICommandManager> mMidasCommandManager;
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nsresult TurnEditingOff();
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nsresult EditingStateChanged();
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PRUint32 mContentEditableCount;
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EditingState mEditingState;
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nsresult DoClipboardSecurityCheck(PRBool aPaste);
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static jsval sCutCopyInternal_id;
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static jsval sPasteInternal_id;
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// kNameSpaceID_None for good ol' HTML documents, and
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// kNameSpaceID_XHTML for spiffy new XHTML documents.
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// XXXbz should this be reset if someone manually calls
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// SetContentType() on this document?
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PRInt32 mDefaultNamespaceID;
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PRBool mDisableCookieAccess;
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// Parser used for constructing document fragments.
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nsCOMPtr<nsIParser> mFragmentParser;
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};
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#endif /* nsHTMLDocument_h___ */
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