/*

* 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:  interface for message handling 

*

*/

#ifndef MIMCVENGINESERVICESESSIONHANDLER_H

#define MIMCVENGINESERVICESESSIONHANDLER_H

//  INCLUDES

#include <e32def.h>

#include <e32base.h>

#include <bamdesca.h>

#include "imcvuiliterals.h"

// CLASS DECLARATION

class TXIMPRequestId;

/**

 *  Observer interface to handle message container changes.

 *

 *  @lib imcvengine.dll

 *  @since 5.0

 */

//  FORWARD CLASS DECLERATIONS

class MIMCVEngineServiceSessionHandler

    {

public: 

    /**

     * @see HandleDeliveryReportL

     * to handle the new message delivery report

     * @param aResultError, delivery report

     * @param aText, msg to send

     */

    virtual void HandleDeliveryReportL(TXIMPRequestId aOperatioCode, TInt aResult ) = 0 ;

    /**

     * @see HandleConnectionTerminatedL

     * to handle the connection lost

     * @param aReason, reason report

     */

    virtual void HandleConnectionEventL( TIMCVConnectionState aState, TInt aReason ) = 0 ;

public: // For protection.

    /**

     * Destructor for protection

     */

    virtual ~MIMCVEngineServiceSessionHandler(){}

    };

/**

 *  Observer interface to handle message container changes.

 *

 *  @lib imcvengine.dll

 *  @since 5.0

 */

class MIMCVEngineServiceSessionObserver

	{

	public: 

			 /**

			 * register MIMCVEngineServiceSessionHandler class to listen the event

			 */

			virtual void RegisterObserver(MIMCVEngineServiceSessionHandler* aObserver) = 0 ;

			/**

			 * unregister MIMCVEngineServiceSessionHandler class to avoid the event

			 */

			virtual void UnRegisterObserver(MIMCVEngineServiceSessionHandler* aObserver) = 0 ;

	public: // For protection.

		/**

		 * Destructor for protection

		 */

		virtual ~MIMCVEngineServiceSessionObserver(){}

	};

#endif      // MIMCVENGINESERVICESESSIONHANDLER_H

// End of File