1 /*

     2 * Copyright (c) 2007-2009 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:

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef HWRMFMTXPOWERSAVETIMER_H

    21 #define HWRMFMTXPOWERSAVETIMER_H

    22 

    23 #include <e32base.h>

    24 

    25 /**

    26 *  An interface for handling timer expiration events.

    27 *

    28 */

    29 NONSHARABLE_CLASS (MHWRMFmTxPowerSaveTimerObserver)

    30     {

    31 public:

    32     /**

    33     * This callback method is used to notify the client about

    34     * the timer expiry.

    35     *     

    36     */

    37     virtual void TimerExpired() = 0;

    38     };

    39     

    40 /**

    41 *  Timer for FmTx power save

    42 */

    43 NONSHARABLE_CLASS (CHWRMFmTxPowerSaveTimer) : public CTimer

    44     {

    45 public:

    46     

    47     /**

    48     * Two-phased constructor.

    49     *

    50     * @param aTimerObserver Reference to observer class.

    51     */

    52     static CHWRMFmTxPowerSaveTimer* NewL( MHWRMFmTxPowerSaveTimerObserver& aTimerObserver );

    53 

    54     /**

    55     * Destructor.

    56     */

    57     virtual ~CHWRMFmTxPowerSaveTimer();

    58 

    59     /**

    60     * Starts timer

    61     *

    62     * @param aTimeout Timer timeout in microseconds

    63     */

    64     void Start( const TTimeIntervalMicroSeconds32 aTimeout );

    65 

    66     /**

    67     * Stops timer   

    68     */

    69     void Stop();

    70 

    71 private:

    72     /**

    73     * C++ default constructor.

    74     * Not used.

    75     */ 

    76     CHWRMFmTxPowerSaveTimer();

    77     

    78     /**

    79     * Constructor.

    80     *

    81     * @param aTimerObserver Reference to observer class.

    82     */

    83     CHWRMFmTxPowerSaveTimer( MHWRMFmTxPowerSaveTimerObserver& aTimerObserver );

    84 

    85     /**

    86     * Symbian second phase constructor.

    87     */

    88     void ConstructL();

    89     

    90     // from CTimer

    91     void RunL();

    92 

    93 private: // data

    94 

    95     /**

    96     * Reference to power save timer observer.

    97     */

    98     MHWRMFmTxPowerSaveTimerObserver& iTimerObserver;

    99     };

   100 

   101 #endif  //HWRMFMTXPOWERSAVETIMER_H