/*

* Copyright (c) 2007-2008 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:  Class header for MWsfScreenSaverStateObserver

*

*/

#ifndef M_WSFSCREENSAVERSTATEOBSERVER_H

#define M_WSFSCREENSAVERSTATEOBSERVER_H

#include <e32std.h>

/**

 * Interface class for notifications about screen saver status change

 *

 * @since S60 5.0

 */

class MWsfScreenSaverStateObserver

    {

    public:

        /**

        * Called when screen saver status has changed

        * @since S60 5.0

        * @param aScreenSaverActive ETrue if the screen saver was activated,

        *                           EFalse on deactivation

        */

        virtual void ScreenSaverStatusChangedL( 

                                          const TBool aScreenSaverActive ) = 0;

    };

#endif // M_WSFSCREENSAVERSTATEOBSERVER_H