/*

* Copyright (c) 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:  PSM Client Observer

*

*/

#ifndef PSMCLIENTOBSERVER_H

#define PSMCLIENTOBSERVER_H

//  INCLUDES

#include <e32base.h>

#include <psmtypes.h>

// CLASS DECLARATION

/**

 * PSM Client Observer for Power Save Mode change notification

 *

 *  @lib psmclient.lib

 */

class MPsmClientObserver

    {

public:

    /**

     * This method is called when Power Save Mode is changed.

     *

     * @param aMode Mode that is currently active

     */

    virtual void PowerSaveModeChanged( const TPsmsrvMode aMode ) = 0;

    /**

     * This method is called when there is an error during power save mode change

     * 

     * @param aError System wide error code. 

     *               KErrNoMemory if memory allocation failed, 

     *               KErrAlreadyExists if the requested mode is already in use, 

     *               KErrArgument if the requested mode is not supported.

     *               KErrCompletion if mode change done only partially, i.e. some 

     *               actions are not done for certain reason.

     */

    virtual void PowerSaveModeChangeError( const TInt aError ) = 0;

    };

#endif //PSMCLIENTOBSERVER_H

// End of File