/*

* Copyright (c) 2002-2010 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: 

*    Implementation for the CDosEventNotifier class.

*

*/

#include <DosSvrServices.h>

//

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

// CDosEventNotifier Constructor

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

//  

CDosEventNotifier::CDosEventNotifier(CDosEventListenerBase* aListener,TPriority aPriority)

: CActive(aPriority)

{

	CActiveScheduler::Add(this);

	iListener = aListener;

}

//

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

// CDosEventNotifier Destructor

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

//  

CDosEventNotifier::~CDosEventNotifier()

{

	Cancel();

	iReceiver.Close();

}

//

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

// CDosEventNotifier::NewL

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

//  

CDosEventNotifier* CDosEventNotifier::NewL(RDosServer& aServer,CDosEventListenerBase* aListener)

{

	CDosEventNotifier* result = new(ELeave) CDosEventNotifier(aListener);

	CleanupStack::PushL(result);

	result->ConstructL(aServer);

	CleanupStack::Pop();

	return result;

}

//

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

// CDosEventNotifier::ConstructL

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

//  

void CDosEventNotifier::ConstructL(RDosServer& aServer)

{

	User::LeaveIfError(iReceiver.Open(aServer));

}

//

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

// CDosEventNotifier::RunL

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

//  

void CDosEventNotifier::RunL()

{

	if(iStatus.Int()==KErrNone)

	{

		TRegisterEvent currentEvent = {iReceiver.Event(),iReceiver.ParameterSize(),iReceiver.Queue()};

		iListener->HandleEventL(currentEvent,/*par*/ iReceiver.Parameter());

		iReceiver.WaitEvent(iStatus);

		SetActive();

	}

	else

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

}

//

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

// CDosEventNotifier::RunError

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

//  

TInt CDosEventNotifier::RunError(TInt aError)

{

	TBool stopListening = EFalse;

	iListener->OnError(aError,stopListening);

	if(aError!=KErrServerTerminated && !stopListening)

	{

	   iReceiver.WaitEvent(iStatus);

	   SetActive();

	}

	return KErrNone;

}

//

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

// CDosEventNotifier::DoCancel

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

//  

void CDosEventNotifier::DoCancel()

{

	iReceiver.CancelWaitEvent();

	iReceiver.UnRegister(); // No need to check if it's registered or not.

}

//

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

// CDosEventNotifier::StartListeningL

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

//  

void CDosEventNotifier::StartListeningL(TUint aEvent,TInt aParamSize,TQueueType aQueue)

{

	User::LeaveIfError(iReceiver.Register(aEvent,aParamSize,aQueue));

	iReceiver.WaitEvent(iStatus);

	SetActive();

}