/*

* 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 the License "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: 

*

*/

#include "canceltimer.h"

CCancelTimer::CCancelTimer():CTimer(CActive::EPriorityStandard)

	{

	iInstaller=NULL;

	iStopScheduler=0;

	iWaitWhileCanceling=0;

	}

CCancelTimer::~CCancelTimer()

	{

	Cancel();

	delete iInstaller;

	}

void CCancelTimer::ConstructL()

	{

	CTimer::ConstructL();

	}

CCancelTimer* CCancelTimer::NewLC(CInstallPrefs* aPrefs)

	{

	CCancelTimer* result= new (ELeave) CCancelTimer();

	CleanupStack::PushL(result);

	result->ConstructL();

	result->iInstaller= CInstaller::NewL(aPrefs);

	return result;

	}

CCancelTimer* CCancelTimer::NewL(CInstallPrefs* aPrefs)

	{

	CCancelTimer* result= NewLC(aPrefs);

	CleanupStack::Pop(result);

	return result;

	}

void CCancelTimer::RunL()

	{

	iTime++;

	// Waiting for the cancellation (or whole installation) to complete

	// to stop the ActiveScheduler

	if (iWaitWhileCanceling)

		{

		if (iInstaller->FinishedCanceling())

			{

			if (iStopScheduler) 

				{

				StopScheduler();

				}

			else 

				{

				iStopScheduler=1;

				// Give some time (1 second) to server so that it doesn't report it's busy

				SetNextTick(1000000);

				}

			}

		else 

			{

			SetNextTick();

			}

		return;

		}

	// Tick until it's time to cancel installation

	if (iTime==iWhenToCancel)

		{

		iWaitWhileCanceling=1;

		iInstaller->CancelInstallation();

		// don't StopScheduler(); now since CancelInstallation also async => need scheduler to be running

		}

	SetNextTick();

	}

void CCancelTimer::SetNextTick(TInt aTime)

	{

	After(TTimeIntervalMicroSeconds32(aTime));

	}

void CCancelTimer::StartL(const TDesC& aSisToInstall, TInt aWhenToCancel, TInt aDontCancel)

	{

	iTime=0;	

	iWhenToCancel= aWhenToCancel;

	iStopScheduler=0;

	iWaitWhileCanceling=(aDontCancel==0)?0:1;

	// Set up installation

	iInstaller->StartL(aSisToInstall);

	CActiveScheduler::Add(this);

	SetNextTick();

	}

void CCancelTimer::StopScheduler()

	{

	CActiveScheduler::Stop();

	}

// End of file