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lightning-sunbird  0.9+nobinonly
nsAccessibleHyperText.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: NPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public
00006  * License Version 1.1 (the "License"); you may not use this file
00007  * except in compliance with the License. You may obtain a copy of
00008  * the License at http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS
00011  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
00012  * implied. See the License for the specific language governing
00013  * rights and limitations under the License.
00014  *
00015  * The Original Code is mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is Sun Microsystems, Inc.
00018  * Portions created by Sun Microsystems are Copyright (C) 2002 Sun
00019  * Microsystems, Inc. All Rights Reserved.
00020  *
00021  * Original Author: Kyle Yuan (kyle.yuan@sun.com)
00022 
00023  * Contributor(s):
00024  *
00025  *
00026  * Alternatively, the contents of this file may be used under the terms of
00027  * either the GNU General Public License Version 2 or later (the "GPL"), or
00028  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00029  * in which case the provisions of the GPL or the LGPL are applicable instead
00030  * of those above. If you wish to allow use of your version of this file only
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00035  * the provisions above, a recipient may use your version of this file under
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00037  *
00038  * ***** END LICENSE BLOCK ***** */
00039 
00040 #ifndef _nsAccessibleHyperText_H_
00041 #define _nsAccessibleHyperText_H_
00042 
00043 #include "nsAccessibleText.h"
00044 #include "nsIAccessibleHyperText.h"
00045 #include "nsIAccessibleText.h"
00046 #include "nsArray.h"
00047 #include "nsTextAccessible.h"
00048 
00049 class nsAccessibleHyperText : public nsIAccessibleHyperText,
00050                               public nsIAccessibleText
00051 {
00052   NS_DECL_ISUPPORTS
00053   NS_DECL_NSIACCESSIBLEHYPERTEXT
00054   NS_DECL_NSIACCESSIBLETEXT
00055 
00056 public:
00057   nsAccessibleHyperText(nsIDOMNode* aDomNode, nsIWeakReference* aShell);
00058   virtual ~nsAccessibleHyperText() {};
00059 
00060   nsresult GetBounds(nsIWeakReference *aShell, PRInt32 *x, PRInt32 *y, PRInt32 *width, PRInt32 *height);
00061   void Shutdown();
00062   PRInt32 GetIndex();
00063 
00064 protected:
00065   nsCOMPtr<nsIMutableArray> mTextChildren;
00066   PRInt32 mIndex;
00067 
00068   PRBool GetAllTextChildren(nsPresContext *aPresContext, nsIFrame *aCurFrame, nsIDOMNode* aNode, PRBool &bSave);
00069   nsIDOMNode* FindTextNodeByOffset(PRInt32 aOffset, PRInt32& aBeforeLength);
00070   nsresult GetTextHelper(EGetTextType aType, 
00071                          nsAccessibleTextBoundary aBoundaryType,
00072                          PRInt32 aOffset, PRInt32 *aStartOffset,
00073                          PRInt32 *aEndOffset, nsAString & aText);
00074   nsIDOMNode* GetLinkNode(nsIDOMNode* aNode);
00075 };
00076 
00077 #endif