/*

* Copyright (c) 2002-2008 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:  Monitors Events from VoiceMailBox -server

*

*/

#ifndef IPVMBXEVENTMONITOR_H

#define IPVMBXEVENTMONITOR_H

#include <mceeventobserver.h>

class CIpVmbxEngine;

/**

 *  Handles and processes events from VoiceMailBox -server

 *

 *  @lib IPVoiceMailAppEngine.lib

 */

NONSHARABLE_CLASS( TIpVmbxEventMonitor ) : public MMceEventObserver

    {

public:  // Constructors and destructor

    /**

     * C++ default constructor.

     * 

     * @param Instance to engine for message sending.

     */

    TIpVmbxEventMonitor( CIpVmbxEngine& aEngine );

public:

// From base class MMceEventObserver

    /**

     * From base class MMceEventObserver

     * The state of the event has changed

     * 

     * @param aEvent, the event that has changed

     * @param aContainer, if present, holds details of

     *        transaction causing state change

     */

    void EventStateChanged(

        CMceEvent& aEvent,

        TMceTransactionDataContainer* aContainer );

    /**

     * From base class MMceEventObserver

     * The state of the event has changed

     * 

     * @param aEvent, event received notification

     * @param aContainer, if present, holds details of

     *        transaction causing state change

     */

    void NotifyReceived(

        CMceEvent& aEvent,

        TMceTransactionDataContainer* aContainer );

    /**

     * From base class MMceEventObserver

     * The state of the event used by the refer has changed

     * 

     * @param aEvent, the event that has changed

     * @param aActive, ETrue if connection active, EFalse if connection 

     *        inactive

     */

    void EventConnectionStateChanged( CMceEvent& aEvent, TBool aActive );

    /**

     * From base class MMceEventObserver

     * An error has occurred concerning a specific SIP event

     * Note, that each error causes the event state to be ETerminated

     * 

     * @param aEvent, The event raising the error

     * @param aError, Error code

     */

    void Failed( CMceEvent& aEvent, TInt aError );

private:    // Data

    /**

     * Instance to engine

     */

    CIpVmbxEngine& iEngine;

    };

#endif      // IPVMBXEVENTMONITOR_H