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

// All rights reserved.

// This component and the accompanying materials are made available

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

// which accompanies this distribution, and is available

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

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

// Expire Timer class definition file

// 

//

/**

 @file ExpireTimer.cpp

 @internalTechnology

*/

#include "ExpireTimer.h"

CExpireTimer* CExpireTimer::NewL()

/**

  * Create an instance of the timer

  *

  * @internalTechnology

  */

	{

	CExpireTimer* timer = new(ELeave)CExpireTimer();

	CleanupStack::PushL(timer);

	timer->ConstructL();

	CleanupStack::Pop(timer);

	return timer;

	}

void CExpireTimer::After(TTimeIntervalMicroSeconds32 aSeconds,MExpireTimer& aExpireTimer)

	{

	ASSERT(!IsAdded());

	CActiveScheduler::Add(this);

	iExpireTimer = &aExpireTimer;

	iExpirationTime.HomeTime();

 	iExpirationTime += aSeconds;

   	CTimer::After( aSeconds );

   	}

void CExpireTimer::After(TTimeIntervalSeconds aSeconds, MExpireTimer& aExpireTimer)

	{

	ASSERT(!IsAdded());

	CActiveScheduler::Add(this);

	iExpireTimer = &aExpireTimer;

	TTime time;

	time.HomeTime();

	time+=aSeconds;

	iExpirationTime = time;

	CTimer::At(time);

	}

void CExpireTimer::At(TTime aTime, MExpireTimer& aExpireTimer)

	{

	ASSERT(!IsAdded());

	CActiveScheduler::Add(this);

	iExpireTimer = &aExpireTimer;

	TTime now;

	now.HomeTime();

	if (now > aTime)

		aTime = now + static_cast<TTimeIntervalSeconds>(5);

	iExpirationTime = aTime;

	CTimer::At(aTime);

	}

void CExpireTimer::Cancel()

/**

  * Cancel the timer

  *

  * @internalTechnology

  */

	{

	CTimer::DoCancel();

	if (IsAdded())

		{

		Deque();

		}

	}

CExpireTimer::~CExpireTimer()

/**

  * Timer destructor

  *

  * @internalTechnology

  */

	{

	Cancel();

	}

void CExpireTimer::RunL()

/**

  * RunL function alerts the notification

  * object by calling its TimerExpired interface function

  *

  * @internalTechnology

  */

	{

	ASSERT(iExpireTimer);

	if (iStatus == KErrAbort)

 		{

 		//Deal with system time change.	

 		TTime now;

 		now.HomeTime();

 		//If its not going to expire in the next five seconds reset it

 		if (now < iExpirationTime + static_cast<TTimeIntervalSeconds>(5))

 			{

 			CTimer::At(iExpirationTime);

 			return;

 			}

 		}

	Deque();

	iExpireTimer->TimerExpired();

	}