/*

* Copyright (c) 2007-2009 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:

*

*/

#ifndef HWRMFMTXPOWERSAVETIMER_H

#define HWRMFMTXPOWERSAVETIMER_H

#include <e32base.h>

/**

*  An interface for handling timer expiration events.

*

*/

NONSHARABLE_CLASS (MHWRMFmTxPowerSaveTimerObserver)

    {

public:

    /**

    * This callback method is used to notify the client about

    * the timer expiry.

    *     

    */

    virtual void TimerExpired() = 0;

    };

/**

*  Timer for FmTx power save

*/

NONSHARABLE_CLASS (CHWRMFmTxPowerSaveTimer) : public CTimer

    {

public:

    /**

    * Two-phased constructor.

    *

    * @param aTimerObserver Reference to observer class.

    */

    static CHWRMFmTxPowerSaveTimer* NewL( MHWRMFmTxPowerSaveTimerObserver& aTimerObserver );

    /**

    * Destructor.

    */

    virtual ~CHWRMFmTxPowerSaveTimer();

    /**

    * Starts timer

    *

    * @param aTimeout Timer timeout in microseconds

    */

    void Start( const TTimeIntervalMicroSeconds32 aTimeout );

    /**

    * Stops timer   

    */

    void Stop();

private:

    /**

    * C++ default constructor.

    * Not used.

    */ 

    CHWRMFmTxPowerSaveTimer();

    /**

    * Constructor.

    *

    * @param aTimerObserver Reference to observer class.

    */

    CHWRMFmTxPowerSaveTimer( MHWRMFmTxPowerSaveTimerObserver& aTimerObserver );

    /**

    * Symbian second phase constructor.

    */

    void ConstructL();

    // from CTimer

    void RunL();

private: // data

    /**

    * Reference to power save timer observer.

    */

    MHWRMFmTxPowerSaveTimerObserver& iTimerObserver;

    };

#endif  //HWRMFMTXPOWERSAVETIMER_H