1 /*

     2 * Copyright (c) 2002-2005 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 the License "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:  generic Symbian timer

    15 *

    16 */

    17 

    18 

    19 #ifndef WLMTIMER_H

    20 #define WLMTIMER_H

    21 

    22 // INCLUDES

    23 #include <e32base.h>

    24 #include "abs_core_timer.h"

    25 

    26 class core_callback_c;

    27 

    28 // CLASS DECLARATION

    29 /**

    30 * This class implements a generic Symbian timer.

    31 *

    32 * Timers are instantiated using the the timer factory.

    33 * @see core_timer_factory_c::create_timer

    34 */

    35 NONSHARABLE_CLASS( am_symbian_timer_c ) :

    36     public CTimer,

    37     public abs_core_timer_c

    38     {

    39     public:  // Constructors and destructor

    40         

    41         /**

    42         * C++ default constructor.

    43         * @param callback Callback to call when the timer expires.

    44         */

    45         am_symbian_timer_c(

    46             core_callback_c* callback );

    47         

    48         /**

    49         * Destructor.

    50         */

    51         virtual ~am_symbian_timer_c();

    52 

    53     public: // Functions from base classes

    54 

    55         /**

    56         * From abs_core_timer_c Start the timer.

    57         * @param delay Expiracy time in micro seconds.

    58         */        

    59         void start(

    60             unsigned long int delay );

    61 

    62         /**

    63         * From abs_core_timer_c Stop the timer.

    64         */

    65         void stop();

    66 

    67         /**

    68         * From abs_core_timer_c Check whether the timer is active.

    69         * @ return True if the timer is active, false otherwise.

    70         */

    71         bool_t is_active() const;

    72 

    73     protected:  // Functions from base classes

    74         

    75         /**

    76         * From CTimer Action of timer expiration.

    77         */

    78         void RunL();

    79 

    80     private:

    81 

    82         // Prohibit copy constructor if not deriving from CBase.

    83         am_symbian_timer_c(

    84             const am_symbian_timer_c& );

    85         // Prohibit assigment operator if not deriving from CBase.

    86         am_symbian_timer_c& operator=(

    87             const am_symbian_timer_c& );

    88 

    89     private:    // Data

    90 

    91         /** Callback to call when the timer expires. */

    92         core_callback_c* callback_m;

    93     };

    94 

    95 #endif // WLMTIMER_H

    96             

    97 // End of File