/*

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

* All rights reserved.

* This component and the accompanying materials are made available

* which accompanies this distribution, and is available

*

* 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