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nsApplicationAccessible.h

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/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
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 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2007
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Bolian Yin <bolian.yin@sun.com>
 *   Ginn Chen <ginn.chen@sun.com>
 *   Alexander Surkov <surkov.alexander@gmail.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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 * the provisions above, a recipient may use your version of this file under
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 * ***** END LICENSE BLOCK ***** */

#ifndef __NS_APPLICATION_ACCESSIBLE_H__
#define __NS_APPLICATION_ACCESSIBLE_H__

#include "nsAccessibleWrap.h"
#include "nsIMutableArray.h"

/**
 * nsApplicationAccessible is for the whole application of Mozilla.
 * Only one instance of nsAppRootAccessible exists for one Mozilla instance.
 * And this one should be created when Mozilla Startup (if accessibility
 * feature has been enabled) and destroyed when Mozilla Shutdown.
 *
 * All the accessibility objects for toplevel windows are direct children of
 * the nsApplicationAccessible instance.
 */

00059 class nsApplicationAccessible: public nsAccessibleWrap
{
public:
  nsApplicationAccessible();

  // nsISupports
  NS_DECL_ISUPPORTS_INHERITED

  // nsPIAccessNode
  NS_IMETHOD Init();

  // nsIAccessible
  NS_IMETHOD GetName(nsAString & aName);
  NS_IMETHOD GetDescription(nsAString & aDescription);
  NS_IMETHOD GetRole(PRUint32 *aRole);
  NS_IMETHOD GetFinalRole(PRUint32 *aFinalRole);
  NS_IMETHOD GetState(PRUint32 *aState, PRUint32 *aExtraState);
  NS_IMETHOD GetParent(nsIAccessible * *aParent);
  NS_IMETHOD GetNextSibling(nsIAccessible * *aNextSibling);
  NS_IMETHOD GetPreviousSibling(nsIAccessible **aPreviousSibling);
  NS_IMETHOD GetChildAt(PRInt32 aChildNum, nsIAccessible **aChild);

  // nsApplicationAccessible
  virtual nsresult AddRootAccessible(nsIAccessible *aRootAccWrap);
  virtual nsresult RemoveRootAccessible(nsIAccessible *aRootAccWrap);

protected:
  // nsAccessible
  virtual void CacheChildren();

  nsCOMPtr<nsIMutableArray> mChildren;
};

#endif


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