/*

* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

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

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

#ifndef MUSENGVOLUMECHANGEOBSERVER_H

#define MUSENGVOLUMECHANGEOBSERVER_H

// INCLUDES

#include <e32def.h>

// CLASS DECLARATION

/**

* An interface to be implemented by users of Multimedia Sharing Engine if 

* they wish to be notified about volume level CenRep keys change

*

*/

class MMusEngVolumeChangeObserver

    {

    public: 

        /**

	    * Indicates that volume level was changed either by some other 

	    * application or due to audio route change

	    * @param aVolume new volume level

	    * @param aAudioRouteChanged indicates whether volume level changed due

	    *        to audio route change

	    */

        virtual void VolumeChanged( TInt aVolume, TBool aAudioRouteChanged ) = 0;        

    };

#endif