1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // Header for timer class

    15 // 

    16 //

    17 

    18 /**

    19  @file

    20 */

    21 

    22 #ifndef __LOOPBACKTIMER_H__

    23 #define __LOOPBACKTIMER_H__

    24 

    25 #include <e32base.h>

    26 

    27 class MTimerCallBack;

    28 NONSHARABLE_CLASS(CLoopbackTimer) : public CActive

    29 	{

    30 public:

    31 	static CLoopbackTimer* NewL(TInt aDuration, MTimerCallBack* aCallback);

    32 	~CLoopbackTimer();

    33 	void Start();

    34 	TBool Running() const;

    35 

    36 private:

    37 	CLoopbackTimer(TInt aDuration, MTimerCallBack* aCallback);

    38 	void DoCancel();

    39 	void RunL();

    40 

    41 private:

    42     /** Timer used to control when RunL is called */

    43 	RTimer iTimer;

    44     /** Timer's duration */

    45 	TInt iDuration;

    46     /** Class with implementation of MTimerCallBack::TimerCallBack that is called when the timer expires */

    47 	MTimerCallBack* iCallback;

    48     /** True when the timer is running */

    49 	TBool iRunning;

    50 	};

    51 

    52 class MTimerCallBack

    53 	{

    54 public:

    55 	virtual void TimerCallBack() = 0;

    56 	};

    57 

    58 #endif // __LOOPBACKTIMER_H__

    59