// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// which accompanies this distribution, and is available

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#include "apuninstallmonitor.h"

// This active object has lower priority than CApaAppListServer but higher than file scanning periodic timer.

const TInt KAppUninstallPriority=CActive::EPriorityStandard-10; 

//

// CApaAppUnInstallMonitor class

//

EXPORT_C CApaAppUnInstallMonitor* CApaAppUnInstallMonitor::NewL(CApaAppListServer* aApaServer)

	{

	CApaAppUnInstallMonitor* self = new(ELeave) CApaAppUnInstallMonitor(aApaServer);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

CApaAppUnInstallMonitor::CApaAppUnInstallMonitor(CApaAppListServer* aApaServer) :

		CActive(KAppUninstallPriority),

		iApaServer(aApaServer),

		iWaitingForStartUninstall(ETrue)

	{

	CActiveScheduler::Add(this);

	}

void CApaAppUnInstallMonitor::ConstructL()

	{

	User::LeaveIfError(iSwisProperty.Attach(KUidSystemCategory, Swi::KUidSoftwareInstallKey));

	}

EXPORT_C CApaAppUnInstallMonitor::~CApaAppUnInstallMonitor()

	{

	Cancel();

	iSwisProperty.Close();

	}

EXPORT_C void CApaAppUnInstallMonitor::Start()

	{

	DoStart();

	}

TBool CApaAppUnInstallMonitor::UnInstallInProgress() const

	{

	return ((iSwisState & Swi::KSwisOperationMask) & Swi::ESwisUninstall)

			&& ((iSwisState & Swi::KSwisOperationStatusMask) == Swi::ESwisStatusNone);

	}

void CApaAppUnInstallMonitor::RunL()

	{

	if(iStatus.Int() == KErrNone)

		{

		DoStart();

		if (iWaitingForStartUninstall)

			{

			if (UnInstallInProgress())

				{

				iWaitingForStartUninstall = EFalse;

				iApaServer->HandleStartUninstallEvent();

				}

			}

		else

			{ // waiting for end uninstall

			if (!UnInstallInProgress())

				{

				iWaitingForStartUninstall = ETrue;

				TRAP_IGNORE(iApaServer->HandleEndUninstallEventL()); // let user try again if OOM

				}

			}

		}

	}

void CApaAppUnInstallMonitor::DoStart()

	{

	iSwisProperty.Subscribe(iStatus);

	TInt err = iSwisProperty.Get(KUidSystemCategory, Swi::KUidSoftwareInstallKey, iSwisState);

	if(err == KErrNone)

		{

		SetActive();

		}

	else

		{

		iSwisProperty.Cancel();

		}

	}

void CApaAppUnInstallMonitor::DoCancel()

	{

	iSwisProperty.Cancel();

	}

// End of file