/*

* 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 doppler effect observer class.

*

*

*/

#ifndef MDOPPLEROBSERVER_H

#define MDOPPLEROBSERVER_H

// INCLUDES

#include <e32base.h>

#include <DopplerBase.h>

#include <MAudioEffectObserver.h>

// CLASS DECLARATION

/**

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

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

*  interface.

*

*  @since 3.0

*/

class MDopplerObserver : public MAudioEffectObserver

	{

	public:

		static const TUint KFactorChanged = KSpecificEffectBase + 1;

		static const TUint KCartesianVelocityChanged = KSpecificEffectBase + 2;

		static const TUint KSphericalVelocityChanged = KSpecificEffectBase + 3;

		static const TUint KMaxFactorChanged = KSpecificEffectBase + 4;

	};

#endif	// of MDOPPLEROBSERVER_H

// End of File