1 /*

     2 * Copyright (c) 2004 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 *     This creates an event at regular intervals.

    16 *

    17 */

    18 

    19 

    20 

    21 #ifndef CMMSPOLLINGTIMER_H

    22 #define CMMSPOLLINGTIMER_H

    23 

    24 //  INCLUDES

    25 #include <e32base.h>

    26 

    27 // CONSTANTS

    28 // MACROS

    29 // DATA TYPES

    30 // FUNCTION PROTOTYPES

    31 // FORWARD DECLARATIONS

    32 class MMsvSessionObserver;

    33 

    34 // CLASS DECLARATION

    35 

    36 /**

    37 * CMmsPollingTimer creates an event at regular intervals and calls requester's

    38 * HandleSessionEvent method. I.e. MMsvSessionObserver interface is reused here.

    39 * NOTE: THIS CLASS IS USED ONLY IN EMULATOR ENVIRONMENT, AND ONLY IF PARTICULAR

    40 * CONFIGURATION FILE IS FOUND AT STARTUP.

    41 * @lib mmswatcher.lib

    42 * @since 2.6

    43 */

    44 class CMmsPollingTimer : public CTimer

    45     {

    46     public:  // Constructors and destructor

    47             

    48         /**

    49         * Two-phased constructor.

    50         */

    51         static CMmsPollingTimer* NewL();

    52         

    53         /**

    54         * Destructor.

    55         */

    56         virtual ~CMmsPollingTimer();

    57 

    58     public: // New functions

    59             

    60         /**

    61         * Start the timer.

    62         * @param aRequester Caller object

    63         * @param aTimerValue Value for the timer

    64         */

    65         void Start( MMsvSessionObserver* aRequester, const TInt aTimerValue );

    66 

    67     protected:  // Functions from base classes

    68         

    69         /**

    70         * Stops the timer.

    71         */

    72         void DoCancel();

    73 

    74     private:

    75 

    76         /**

    77         * C++ default constructor.

    78         */

    79         CMmsPollingTimer();

    80 

    81         /**

    82         * By default Symbian OS constructor is private.

    83         */

    84         void ConstructL();

    85 

    86         /**

    87         * Active object completion

    88         */

    89         void RunL();

    90 

    91     private:    // Data

    92 

    93         MMsvSessionObserver* iRequester;

    94         TInt iTimeout;

    95     };

    96     

    97 #endif // CMMSPOLLINGTIMER_H

    98 

    99 // End of File