/*

* Copyright (c) 2008-2009 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:  Harvester server's P&S pause observer active object

*

*/

#include "pauseobserverao.h"

#include <harvesterpauseps.h>

#include "harvesterserver.h"

#include "harvesterlog.h"

CPauseObserverAO* CPauseObserverAO::NewL( CHarvesterServer& aHarvesterServer )

	{

	WRITELOG("CPauseObserverAO::NewL()");

	CPauseObserverAO* self = new (ELeave) CPauseObserverAO( aHarvesterServer );

	CleanupStack::PushL( self );

	self->ConstructL();

	CleanupStack::Pop( self );

	return self;

	}

CPauseObserverAO::~CPauseObserverAO()

	{

	Cancel();

	iPauseProperty.Close();

	}

CPauseObserverAO::CPauseObserverAO( CHarvesterServer& aHarvesterServer ) :

	CActive( CActive::EPriorityUserInput ), 

	iHarvesterServer( aHarvesterServer )

	{

	CActiveScheduler::Add( this );

	}

void CPauseObserverAO::ConstructL()

	{

	WRITELOG("CPauseObserverAO::ConstructL()");

	TUid cat = KPsHarvesterPauseCategory;

	TInt key = KPsHarvesterPauseKey;

	TInt error = iPauseProperty.Define( cat, 

			key, RProperty::EInt );

	WRITELOG1("CPauseObserverAO::ConstructL() Define error: %d", error);

	if( KErrAlreadyExists != error && KErrNone != error )

		{

		User::LeaveIfError( error );

		}

	error = iPauseProperty.Attach( cat, 

			key, EOwnerThread );

	WRITELOG1("CPauseObserverAO::ConstructL() Attach error: %d", error);	

	User::LeaveIfError( error );

	iPauseProperty.Subscribe( iStatus );

    SetActive();

    WRITELOG("CPauseObserverAO::ConstructL() - ends");

	}

void CPauseObserverAO::RunL()

	{

	WRITELOG("CPauseObserverAO::RunL()");

	TInt status = iStatus.Int();

	if( status != KErrNone )

        {

        WRITELOG1("CPauseObserverAO::RunL() - error: %d", status);

        }

    // resubscribe before processing new value to prevent missing updates

	iPauseProperty.Subscribe( iStatus );

    SetActive();

	TInt pauseState = EPsHarvesterPauseResume;

	TUid cat = KPsHarvesterPauseCategory;

	TInt key = KPsHarvesterPauseKey;	

	iPauseProperty.Get( cat, key, pauseState );

	if ( EPsHarvesterPausePause == pauseState )

		{

		WRITELOG("CPauseObserverAO::RunL() - pause");

		iHarvesterServer.Pause();

		}

	else

		{

		WRITELOG("CPauseObserverAO::RunL() - resume");

		iHarvesterServer.Resume();

		}	

	}

void CPauseObserverAO::DoCancel()

	{

	iPauseProperty.Cancel();

	}

TInt CPauseObserverAO::RunError( TInt /*aError*/ )

	{

	return KErrNone;

	}