/*

* Copyright (c) 2009 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:  Observers changes in volume levels, used by SVPVolumeObserver

*

*/

#ifndef M_SVPVOLUMEUPDATEOBSERVER_H

#define M_SVPVOLUMEUPDATEOBSERVER_H

/**

 *  Observers volume level changes 

 *

 *  @lib svp.dll

 *  @since S60 3.2

 */

class MSVPVolumeUpdateObserver

    {

public:

    /**

     * CSVPVolumeObserver calls this when volume level changes

     * changed. 

     *

     * @since S60 3.2

     * @param aVolume New volume level

     */

    virtual void VolumeChanged( TInt aVolume ) = 0;

    };

#endif // M_SVPVOLUMEUPDATEOBSERVER_H