/*

* Copyright (c) 2008-2009 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:  message handler observer

*

*/

#ifndef MIMCVENGINEMESSAGEHANDLEROBSERVER_H

#define MIMCVENGINEMESSAGEHANDLEROBSERVER_H

//  INCLUDES

#include <e32def.h>

#include <e32base.h>

#include "imcvuiliterals.h"

#include "mimcvenginemessage.h"

//	FORWARD CLASS DECLERATIONS

// CLASS DECLARATION

/**

 *  presence handler interface

 *

 *  @lib imcvengine.dll

 *  @since 5.0

 */

class MIMCVEngineMessageHandlerObserver

    {

    public: 

        /**

        * @see handle the presence change notification

        * to handle the connection lost

        */

        virtual void HandlePresenceChangedL(TInt aServiceId, const TDesC& aBuddyId ) = 0 ;

        /**

        * Handle message send operation completion.

        * @param aResult result  to handle.

        */

        virtual void HandleOperationCompletdL(TInt aserviceId, MIMCVEngineMessage::TMessagerType aType , TInt aResult) = 0 ;

        /**

         * @see HandleConnectionTerminatedL

         * to handle the connection lost

         * @param aReason, reason report

         */

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

    protected: // For protection.

        /**

        * Destructor for protection

        */

        virtual ~MIMCVEngineMessageHandlerObserver(){}

};

#endif      // MIMCVENGINEHANDLEROBSERVER_H

// End of File