/*

* Copyright (c) 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:  Low memory observer for havester server

*

*/

#include "harvesteroomao.h"

#include "harvestercommon.h"

// ---------------------------------------------------------------------------

// NewL

// ---------------------------------------------------------------------------

//

CHarvesterOomAO* CHarvesterOomAO::NewL( MHarvesterOomObserver& aObserver )

	{

	CHarvesterOomAO* self = new (ELeave) CHarvesterOomAO( aObserver );

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

// ---------------------------------------------------------------------------

// CHarvesterOomAO

// ---------------------------------------------------------------------------

//

CHarvesterOomAO::CHarvesterOomAO( MHarvesterOomObserver& aObserver ) : 

		CActive( CActive::EPriorityUserInput )

	{

	iObserver = &aObserver;

	}

// ---------------------------------------------------------------------------

// ~CHarvesterOomAO

// ---------------------------------------------------------------------------

//

CHarvesterOomAO::~CHarvesterOomAO()

	{

	iOomMsgQueue.Close();

	}

// ---------------------------------------------------------------------------

// ConstructL

// ---------------------------------------------------------------------------

//

void CHarvesterOomAO::ConstructL()

	{

	CActiveScheduler::Add( this);

	iOomMsgQueue.OpenGlobal( KHarvesterOomQueue );

	iOomMsgQueue.NotifyDataAvailable( iStatus );

	SetActive();

	}

// ---------------------------------------------------------------------------

// RunL

// ---------------------------------------------------------------------------

//

void CHarvesterOomAO::RunL()

	{

	User::LeaveIfError( iStatus.Int() );

	TInt oomStatus( 0 );

	const TInt err = iOomMsgQueue.Receive( oomStatus );

	if( oomStatus == TMdsOomFreeRam )

		{

		iObserver->MemoryLow();

		}

	else

		{

		iObserver->MemoryGood();

		}

	iOomMsgQueue.NotifyDataAvailable( iStatus );

	SetActive();

	}

// ---------------------------------------------------------------------------

// DoCancel

// ---------------------------------------------------------------------------

//

void CHarvesterOomAO::DoCancel()

	{

	iOomMsgQueue.CancelDataAvailable();

	}

// ---------------------------------------------------------------------------

// RunError

// ---------------------------------------------------------------------------

//

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

	{

	return KErrNone;

	}