1 /*

     2 * Copyright (c) 2002-2006 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *     This class defines a generic observer interface.

    16 *

    17 */

    18 

    19 

    20 #ifndef __MVROBSERVER_H__

    21 #define __MVROBSERVER_H__

    22 

    23 // INCLUDES

    24 #include "VRConsts.h"

    25 

    26 // CLASS DEFINITION

    27 /**

    28 * This class defines a generic observer interface.

    29 */

    30 class MVRObserver 

    31 	{

    32 	public: // new methods

    33 

    34 		/**

    35 		* Called to notify a change in the observed subject's state.

    36 		*/

    37 		virtual void Update( TVRUpdateCommand aCommand = EVRUpdate ) = 0;

    38 		

    39 	};

    40 

    41 #endif // __MVROBSERVER_H__