/*

* Copyright (c) 2010 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:  This component is to start gaurd timer

*

*/

#ifndef CGAURDTIMER_H

#define CGAURDTIMER_H

#include <e32base.h>

class MGaurdTimerHandler

    {

public :

    /*

    * HandleGaurdTimerL signal when the gaurd timer expires 

    */

    virtual void HandleGaurdTimerL() = 0;

    };

class CGaurdTimer : public CActive

    {

public:

    /*

     * Construction

     * @return instance of CGaurdTimer

     */

    static CGaurdTimer* NewL( MGaurdTimerHandler* aGaurdTimerHandler ); //For callback

    /*

     * Construction

     * @return instance of CGaurdTimer

     */

    static CGaurdTimer* NewLC( MGaurdTimerHandler* aGaurdTimerHandler );

    /*

     * Destructor

     */

    virtual ~CGaurdTimer();

public:

    /*

     * Srats the gaurd timer to find the idle time

     */

    void StartgaurdTimer();

    //From CActive

    void RunL();

    void DoCancel();

    TInt RunError( TInt aError );

private:    

    /*

     * Constructor

     */

    CGaurdTimer();

    /*

     * Second phase constructor

     */

    void ConstructL( MGaurdTimerHandler* aGaurdTimerHandler );

private:

    //Timer for self activation of AO

    RTimer iTimer; 

    MGaurdTimerHandler* iGaurdTimerHandler;

    };

#endif /* CGAURDTIMER_H */