/*

* Copyright (c) 2005-2007 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:  Xuikon volume control adapter observer

*

*/

#ifndef __XNVOLUMECONTROLOBSERVER_H

#define __XNVOLUMECONTROLOBSERVER_H

/**

*  @ingroup group_xnvolumecontrolfactory

*  @lib xnvolumecontrol.lib

*  @since Series 60 3.2

*/

class MXnVolumeControlObserver

    {

    public: // New functions

    /**

    * Called when volume value is changed.

    * @param aValue New volume value.

    */

    virtual void VolumeChanged( TInt aValue ) = 0;

    };

#endif // __XNVOLUMECONTROLOBSERVER_H