// 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:

//

#include <e32base.h>

#include <e32cons.h>

#include <e32property.h>

#include "CSimPubSubChange.h"

CSimPubSubChange::CSimPubSubChange(MPubSubChangeCallback* aCallback, CSimPubSub::TPubSubProperty aProperty)

	: CActive(EPriorityStandard),  iCallback(aCallback), iPSProperty(aProperty)

	{

	CActiveScheduler::Add(this);

	}

CSimPubSubChange* CSimPubSubChange::NewL(MPubSubChangeCallback* aCallback, CSimPubSub::TPubSubProperty aProperty)

	{

	CSimPubSubChange* self = new (ELeave) CSimPubSubChange(aCallback, aProperty);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

void CSimPubSubChange::ConstructL()

	{

	iProp.Attach(iPSProperty.iCategory, iPSProperty.iKey);

	iProp.Subscribe(iStatus);

	SetActive();

	}

CSimPubSubChange::~CSimPubSubChange()

	{ 

	Cancel();

	iProp.Close();

	}

void CSimPubSubChange::RunL()

	{

	//Resubscribe before retrieving the value so we don't miss any changes

	TInt status = iStatus.Int();

	iProp.Subscribe(iStatus);

	SetActive();

	if(status == KErrNone)

		{

		TInt newStat;

		TInt ret = iProp.Get(iPSProperty.iCategory, iPSProperty.iKey, newStat);

		if (ret == KErrNone)

			{

			iCallback->PubSubCallback(newStat);

			}	

		}	

	}

void CSimPubSubChange::DoCancel()

	{

	iProp.Cancel();

	}