204 lines
8.0 KiB
C++
204 lines
8.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 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 Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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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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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* 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 NPL, 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 NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsContentList_h___
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#define nsContentList_h___
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#include "nsISupports.h"
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#include "nsVoidArray.h"
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#include "nsString.h"
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#include "nsIDOMHTMLCollection.h"
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#include "nsIDOMNodeList.h"
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#include "nsIDocumentObserver.h"
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#include "nsIContentList.h"
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typedef PRBool (*nsContentListMatchFunc)(nsIContent* aContent,
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nsString* aData);
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class nsIDocument;
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class nsIDOMHTMLFormElement;
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class nsBaseContentList : public nsIDOMNodeList
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{
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public:
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nsBaseContentList();
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virtual ~nsBaseContentList();
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NS_DECL_ISUPPORTS
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// nsIDOMNodeList
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NS_DECL_NSIDOMNODELIST
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NS_IMETHOD AppendElement(nsIContent *aContent);
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NS_IMETHOD RemoveElement(nsIContent *aContent);
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NS_IMETHOD IndexOf(nsIContent *aContent, PRInt32& aIndex);
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NS_IMETHOD Reset();
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protected:
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nsAutoVoidArray mElements;
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};
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// This class is used only by form element code and this is a static
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// list of elements. NOTE! This list holds strong references to
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// the elements in the list.
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class nsFormContentList : public nsBaseContentList
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{
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public:
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nsFormContentList(nsIDOMHTMLFormElement *aForm,
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nsBaseContentList& aContentList);
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virtual ~nsFormContentList();
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NS_IMETHOD AppendElement(nsIContent *aContent);
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NS_IMETHOD RemoveElement(nsIContent *aContent);
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NS_IMETHOD Reset();
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};
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class nsContentList : public nsBaseContentList,
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public nsIDOMHTMLCollection,
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public nsIDocumentObserver,
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public nsIContentList
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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nsContentList(const nsContentList& aContentList);
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nsContentList(nsIDocument *aDocument);
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nsContentList(nsIDocument *aDocument,
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nsIAtom* aMatchAtom,
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PRInt32 aMatchNameSpaceId,
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nsIContent* aRootContent=nsnull);
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nsContentList(nsIDocument *aDocument,
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nsContentListMatchFunc aFunc,
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const nsAReadableString& aData,
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nsIContent* aRootContent=nsnull);
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virtual ~nsContentList();
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// nsIDOMHTMLCollection
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NS_IMETHOD GetLength(PRUint32* aLength);
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NS_IMETHOD Item(PRUint32 aIndex, nsIDOMNode** aReturn);
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NS_IMETHOD NamedItem(const nsAReadableString& aName, nsIDOMNode** aReturn);
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/// nsIContentList
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NS_IMETHOD GetLength(PRUint32* aLength, PRBool aDoFlush);
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NS_IMETHOD Item(PRUint32 aIndex, nsIDOMNode** aReturn,
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PRBool aDoFlush);
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NS_IMETHOD NamedItem(const nsAReadableString& aName, nsIDOMNode** aReturn,
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PRBool aDoFlush);
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NS_IMETHOD IndexOf(nsIContent *aContent, PRInt32& aIndex,
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PRBool aDoFlush);
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// nsIDocumentObserver
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NS_IMETHOD BeginUpdate(nsIDocument *aDocument) { return NS_OK; }
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NS_IMETHOD EndUpdate(nsIDocument *aDocument) { return NS_OK; }
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NS_IMETHOD BeginLoad(nsIDocument *aDocument) { return NS_OK; }
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NS_IMETHOD EndLoad(nsIDocument *aDocument) { return NS_OK; }
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NS_IMETHOD BeginReflow(nsIDocument *aDocument,
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nsIPresShell* aShell) { return NS_OK; }
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NS_IMETHOD EndReflow(nsIDocument *aDocument,
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nsIPresShell* aShell) { return NS_OK; }
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NS_IMETHOD ContentChanged(nsIDocument *aDocument,
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nsIContent* aContent,
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nsISupports* aSubContent) { return NS_OK; }
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NS_IMETHOD ContentStatesChanged(nsIDocument* aDocument,
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nsIContent* aContent1,
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nsIContent* aContent2) { return NS_OK; }
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NS_IMETHOD AttributeChanged(nsIDocument *aDocument,
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nsIContent* aContent,
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PRInt32 aNameSpaceID,
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nsIAtom* aAttribute,
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PRInt32 aModType,
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PRInt32 aHint) { return NS_OK; }
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NS_IMETHOD ContentAppended(nsIDocument *aDocument,
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nsIContent* aContainer,
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PRInt32 aNewIndexInContainer);
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NS_IMETHOD ContentInserted(nsIDocument *aDocument,
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nsIContent* aContainer,
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nsIContent* aChild,
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PRInt32 aIndexInContainer);
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NS_IMETHOD ContentReplaced(nsIDocument *aDocument,
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nsIContent* aContainer,
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nsIContent* aOldChild,
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nsIContent* aNewChild,
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PRInt32 aIndexInContainer);
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NS_IMETHOD ContentRemoved(nsIDocument *aDocument,
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nsIContent* aContainer,
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nsIContent* aChild,
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PRInt32 aIndexInContainer);
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NS_IMETHOD StyleSheetAdded(nsIDocument *aDocument,
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nsIStyleSheet* aStyleSheet) { return NS_OK; }
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NS_IMETHOD StyleSheetRemoved(nsIDocument *aDocument,
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nsIStyleSheet* aStyleSheet) { return NS_OK; }
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NS_IMETHOD StyleSheetDisabledStateChanged(nsIDocument *aDocument,
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nsIStyleSheet* aStyleSheet,
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PRBool aDisabled) { return NS_OK; }
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NS_IMETHOD StyleRuleChanged(nsIDocument *aDocument,
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nsIStyleSheet* aStyleSheet,
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nsIStyleRule* aStyleRule,
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PRInt32 aHint) { return NS_OK; }
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NS_IMETHOD StyleRuleAdded(nsIDocument *aDocument,
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nsIStyleSheet* aStyleSheet,
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nsIStyleRule* aStyleRule) { return NS_OK; }
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NS_IMETHOD StyleRuleRemoved(nsIDocument *aDocument,
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nsIStyleSheet* aStyleSheet,
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nsIStyleRule* aStyleRule) { return NS_OK; }
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NS_IMETHOD DocumentWillBeDestroyed(nsIDocument *aDocument);
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protected:
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nsresult Match(nsIContent *aContent, PRBool *aMatch);
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void Init(nsIDocument *aDocument);
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void PopulateWith(nsIContent *aContent, PRBool aIncludeRoot);
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PRBool MatchSelf(nsIContent *aContent);
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void PopulateSelf();
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void DisconnectFromDocument();
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PRBool IsDescendantOfRoot(nsIContent* aContainer);
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PRBool ContainsRoot(nsIContent* aContent);
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nsresult CheckDocumentExistence();
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nsIAtom* mMatchAtom;
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PRInt32 mMatchNameSpaceId;
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nsContentListMatchFunc mFunc;
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nsString* mData;
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nsIDocument* mDocument;
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nsIContent* mRootContent;
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PRBool mMatchAll;
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};
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#endif // nsContentList_h___
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