Back to index

lightning-sunbird  0.9+nobinonly
nsHTMLWin32ObjectAccessible.h
Go to the documentation of this file.
00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   John Gaunt (jgaunt@netscape.com) (original author)
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either of the GNU General Public License Version 2 or later (the "GPL"),
00027  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
00030  * under the terms of either the GPL or the LGPL, and not to allow others to
00031  * use your version of this file under the terms of the MPL, indicate your
00032  * decision by deleting the provisions above and replace them with the notice
00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #ifndef _nsHTMLWin32ObjectAccessible_H_
00040 #define _nsHTMLWin32ObjectAccessible_H_
00041 
00042 #include "nsIAccessibleWin32Object.h"
00043 #include "nsBaseWidgetAccessible.h"
00044 
00045 struct IAccessible;
00046 
00047 class nsHTMLWin32ObjectOwnerAccessible : public nsAccessibleWrap
00048 {
00049 public:
00050   // This will own the nsHTMLWin32ObjectAccessible. We create this where the
00051   // <object> or <embed> exists in the tree, so that get_accNextSibling() etc.
00052   // will still point to Gecko accessible sibling content. This is necessary
00053   // because the native plugin accessible doesn't know where it exists in the
00054   // Mozilla tree, and returns null for previous and next sibling. This would
00055   // have the effect of cutting off all content after the plugin.
00056   nsHTMLWin32ObjectOwnerAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell, void* aHwnd);
00057   virtual ~nsHTMLWin32ObjectOwnerAccessible() {}
00058   NS_IMETHOD Shutdown();
00059   NS_IMETHOD GetFirstChild(nsIAccessible **aFirstChild);
00060   NS_IMETHOD GetLastChild(nsIAccessible **aLastChild);
00061   NS_IMETHOD GetChildCount(PRInt32 *aChildCount);  // Zero or one child
00062 
00063 protected:
00064   void* mHwnd;
00065   nsCOMPtr<nsIAccessible> mNativeAccessible;
00066 };
00067 
00077 class nsHTMLWin32ObjectAccessible : public nsLeafAccessible,
00078                                     public nsIAccessibleWin32Object
00079 {
00080 public:
00081 
00082   nsHTMLWin32ObjectAccessible(void* aHwnd);
00083   virtual ~nsHTMLWin32ObjectAccessible() {}
00084 
00085   NS_DECL_ISUPPORTS_INHERITED
00086   NS_DECL_NSIACCESSIBLEWIN32OBJECT
00087 
00088 protected:
00089   void* mHwnd;
00090 };
00091 
00092 #endif