/*

 * 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:  CQueueHandler class declaration.

 *

 */

// INCLUDES

#include <e32base.h>

#include <e32msgqueue.h>

#include "VoIPAudioClientServer.h"   // for TVoIPMsgBuf

/**

 *  MQueueHandlerObserver

 *  Responsible for sending callbacks to the VoIP client app

 */

class MQueueHandlerObserverSrv

    {

public:

    virtual void Event(TInt aEventType, TInt aError) = 0;

    };

/**

 *  CQueueHandler

 */

class CQueueHandlerSrv : public CActive

    {

public:

    /**

     * NewL()

     * Contructor that takes single queue pointer

     */

    static CQueueHandlerSrv* NewL(MQueueHandlerObserverSrv* aObserver,

            RMsgQueue<TVoIPMsgBuf>* aMsgQueue);

    /**

     * destructor

     */

    ~CQueueHandlerSrv();

    /**

     * Start

     * Starts listening for events.

     */

    void Start();

    /**

     * Returns request status.

     */

    TRequestStatus* Status();

private:

    /**

     * constructor

     */

    CQueueHandlerSrv(RMsgQueue<TVoIPMsgBuf>* aMsgQueue);

    void ConstructL(MQueueHandlerObserverSrv* aObserver);

    // from CActive

    void DoCancel();

    void RunL();

    TInt RunError(TInt aError);

private:

    // data

    MQueueHandlerObserverSrv* iObserver; // (not owned)

    RMsgQueue<TVoIPMsgBuf>* iMsgQueue;

    };

// End of File