/*

 * Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies). 

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

 * which accompanies this distribution, and is available

 * at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:  This is the definition of the Distance Attenuation effect

 *                observer class.

 *

 *

 */

 #ifndef DISTANCEATTENUATIONOBSERVER_H

 #define DISTANCEATTENUATIONOBSERVER_H

 // INCLUDES

 #include <e32base.h>

 #include <DistanceAttenuationBase.h>

 #include <MAudioEffectObserver.h>

 // CLASS DECLARATION

 /**

 *  This is the distance attenuation effect observer class. Object interested in receiving notification

 *  when the CDistanceAttenuation object changes state should derive from this class and implement its

 *  interface.

 *

 *  @since 3.0

 */

 class MDistanceAttenuationObserver : public MAudioEffectObserver

 	{

 	public:

 		static const TUint KDistanceAttenuationChanged = KSpecificEffectBase + 1;

 	};

 #endif	// of DISTANCEATTENUATIONOBSERVER_H

 // End of File