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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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/
 * 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 Japan.
 * Portions created by the Initial Developer are Copyright (C) 2006
 * the Initial Developer. All Rights Reserved.
 * Contributor(s):
 *   Masayuki Nakano <masayuki@d-toybox.com>
 * Alternatively, the contents of this file may be used under the terms of
 * either of 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
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 * ***** END LICENSE BLOCK ***** */

#ifndef nsIMEStateManager_h__
#define nsIMEStateManager_h__

#include "nscore.h"

class nsIContent;
class nsPIDOMWindow;
class nsPresContext;
class nsIKBStateControl;
class nsIFocusController;

 * IME state manager

class nsIMEStateManager
  static nsresult OnDestroyPresContext(nsPresContext* aPresContext);
  static nsresult OnRemoveContent(nsPresContext* aPresContext,
                                  nsIContent* aContent);
  static nsresult OnChangeFocus(nsPresContext* aPresContext,
                                nsIContent* aContent);
  static nsresult OnActivate(nsPresContext* aPresContext);
  static nsresult OnDeactivate(nsPresContext* aPresContext);
  static void OnInstalledMenuKeyboardListener(PRBool aInstalling);
  static void SetIMEState(nsPresContext* aPresContext,
                          PRUint32 aState,
                          nsIKBStateControl* aKB);
  static PRUint32 GetNewIMEState(nsPresContext* aPresContext,
                                 nsIContent* aContent);

  static PRBool IsActive(nsPresContext* aPresContext);

  static nsIFocusController* GetFocusController(nsPresContext* aPresContext);
  static nsIKBStateControl* GetKBStateControl(nsPresContext* aPresContext);

  static nsIContent*    sContent;
  static nsPresContext* sPresContext;
  static nsPIDOMWindow* sActiveWindow;
  static PRBool         sInstalledMenuKeyboardListener;

#endif // nsIMEStateManager_h__

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