1 /*

     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  This component is to start gaurd timer

    15 *

    16 */

    17 

    18 

    19 #ifndef CGAURDTIMER_H

    20 #define CGAURDTIMER_H

    21 

    22 #include <e32base.h>

    23 

    24 class MGaurdTimerHandler

    25     {

    26 public :

    27     /*

    28     * HandleGaurdTimerL signal when the gaurd timer expires 

    29     */

    30     virtual void HandleGaurdTimerL() = 0;

    31     };

    32 

    33 class CGaurdTimer : public CActive

    34     {

    35 public:

    36     /*

    37      * Construction

    38      * @return instance of CGaurdTimer

    39      */

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

    41     /*

    42      * Construction

    43      * @return instance of CGaurdTimer

    44      */

    45     static CGaurdTimer* NewLC( MGaurdTimerHandler* aGaurdTimerHandler );

    46     /*

    47      * Destructor

    48      */

    49     virtual ~CGaurdTimer();

    50 public:

    51     /*

    52      * Srats the gaurd timer to find the idle time

    53      */

    54     void StartgaurdTimer();

    55     

    56     //From CActive

    57     void RunL();

    58     void DoCancel();

    59     TInt RunError( TInt aError );

    60 private:    

    61     /*

    62      * Constructor

    63      */

    64     CGaurdTimer();

    65     /*

    66      * Second phase constructor

    67      */

    68     void ConstructL( MGaurdTimerHandler* aGaurdTimerHandler );

    69 

    70 private:

    71     

    72     //Timer for self activation of AO

    73     RTimer iTimer; 

    74    

    75     MGaurdTimerHandler* iGaurdTimerHandler;

    76     };

    77 

    78 #endif /* CGAURDTIMER_H */