1 /*------------------------------------------------------------------

     2  -

     3  * Software Name : UserEmulator

     4  * Version       : v4.2.1309

     5  * 

     6  * Copyright (c) 2009 France Telecom. All rights reserved.

     7  * This software is distributed under the License 

     8  * "Eclipse Public License - v 1.0" the text of which is available

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

    10  *

    11  * Initial Contributors:

    12  * France Telecom 

    13  *

    14  * Contributors:

    15  *------------------------------------------------------------------

    16  -

    17  * File Name: DelayTimer.h

    18  * 

    19  * Created: 13/08/2009

    20  * Author(s): Marcell Kiss, Reshma Sandeep Das

    21  *   

    22  * Description:

    23  * Active object implementation for asynchronous key events handling

    24  *------------------------------------------------------------------

    25  -

    26  *

    27  */

    28 #ifndef DELAYTIMER_H__

    29 #define DELAYTIMER_H__

    30 

    31 //System includes

    32 #include <e32base.h>

    33 

    34 /**

    35  * MActionObserver, an observer to CDelayTimer class.

    36  */

    37 class MActionObserver 

    38 {

    39 public:

    40 	/**

    41 	 * Callback function to invoke the next action element

    42 	 */

    43     virtual void PerformActionL() = 0;

    44 };

    45 

    46 /**

    47  *  CDelayTimer class.

    48  */

    49 class CDelayTimer : public CTimer

    50 {

    51     public:

    52        /**

    53         * Two-phased constructor.

    54         * @param aObserver Reference to the observer class

    55         */

    56         static CDelayTimer* NewL( MActionObserver& aObserver );        

    57        /**

    58         * C++ default constructor.

    59         */

    60         CDelayTimer(MActionObserver& aObserver);

    61        /**

    62         * Destructor

    63         */

    64         ~CDelayTimer();

    65 

    66     public:

    67        /**

    68 		* Function to issue a request for notification of next action 

    69 		* @param aInterval Time interval

    70 		*/

    71         void Wait(TInt aInterval);

    72         

    73     private:

    74        /**

    75         * 2nd phase constructor.

    76         */

    77         void ConstructL();

    78 

    79     private: // From CActive

    80        /**

    81         * After completed timer period, execution comes to RunL

    82         */

    83         void RunL();

    84 

    85     private:

    86     	/**

    87     	 * Reference to the observer class

    88     	 */

    89         MActionObserver& iActionObserver;

    90 };

    91 

    92 #endif // DELAYTIMER_H__

    93 

    94 // End of File

    95