/*

 * Copyright (c) 2007-2008 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:  Implements message queue handler for handling messages

 *                passed between VoIPAudioServices threads.

 *

 */

#include <voipaudiocommon.h>

#include "VoIPSharedData.h"

#include "VoIPQueueHandlerSrv.h"

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

// CQueueHandlerSrv::NewL

// Symbian constructor

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

//

CQueueHandlerSrv* CQueueHandlerSrv::NewL(MQueueHandlerObserverSrv* aObserver,

        RMsgQueue<TVoIPMsgBuf>* aMsgQueue)

    {

    CQueueHandlerSrv* self = new (ELeave) CQueueHandlerSrv(aMsgQueue);

    CleanupStack::PushL(self);

    self->ConstructL(aObserver);

    CleanupStack::Pop(self);

    return self;

    }

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

// CQueueHandlerSrv::ConstructL

// Second phase constructor.

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

//

void CQueueHandlerSrv::ConstructL(MQueueHandlerObserverSrv* aObserver)

    {

    iObserver = aObserver;

    }

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

// CQueueHandlerSrv::~CQueueHandlerSrv

// Destructor.

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

//

CQueueHandlerSrv::~CQueueHandlerSrv()

    {

    Cancel();

    }

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

// CQueueHandlerSrv::~CQueueHandlerSrv

// Destructor.

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

//

CQueueHandlerSrv::CQueueHandlerSrv(RMsgQueue<TVoIPMsgBuf>* aMsgQueue) :

    CActive(CActive::EPriorityStandard),

    iMsgQueue(aMsgQueue)

    {

    CActiveScheduler::Add(this);

    }

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

// CQueueHandlerSrv::Start

// Start listening for events on queue 0.

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

//

void CQueueHandlerSrv::Start()

    {

    if (!IsActive())

        {

        iStatus = KRequestPending;

        iMsgQueue->NotifyDataAvailable(iStatus);

        SetActive();

        }

    }

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

// CQueueHandlerSrv::DoCancel

// Cancel outstanding request

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

//

void CQueueHandlerSrv::DoCancel()

    {

    iMsgQueue->CancelDataAvailable();

    }

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

// CQueueHandlerSrv::RunL

// Process requests.

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

//

void CQueueHandlerSrv::RunL()

    {

    TVoIPMsgBuf msgBuf;

    TInt err = iMsgQueue->Receive(msgBuf);

    if (err == KErrNone)

        {

        iObserver->Event(msgBuf.iRequest, msgBuf.iStatus);

        }

    Start();

    }

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

// CQueueHandlerSrv::RunError

// Process requests.

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

//

TInt CQueueHandlerSrv::RunError(TInt aError)

    {

    // RunL can actually leave if any iObserver->Event leave is not trapped

    // iObserver->Event(ECmdGeneralError, aError);

    return aError;

    }

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

// CQueueHandlerSrv::Status

// Return request status.

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

//

TRequestStatus* CQueueHandlerSrv::Status()

    {

    return &iStatus;

    }

// End of File