/*

* 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:  service change observer

*

*/

#ifndef MIMCVENGINESERVICECHANGEOBSERVER_H

#define MIMCVENGINESERVICECHANGEOBSERVER_H

#include "mimcvenginechatlistobserver.h"  

class MIMCVEngineMessageReadInterface;

/**

 *  Observer class for getting service status change 

 *

 *  @lib imcvengine.lib

 */

class MIMCVEngineServiceChangeObserver 

    {

public:

    /*

     * new service has been installed

     */

    virtual void HandleNewServiceL( TInt aServiceId ) = 0 ;

    /*

     *  service has been deleted

     */

    virtual void HandleServiceDeletedL( TInt aServiceId )= 0 ;

    /**

     * @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  ;

    /**

     * Handle events.

     * @param aEvent Event to handle.

     * @param aContainerInfo, Container

     */

    virtual void HandleChatListEvent(TInt aServiceId, TChatListEventType aEvent, 

                                     MIMCVEngineMessageReadInterface* aContainerInfo

                                     ) = 0;

protected:

    virtual ~MIMCVEngineServiceChangeObserver()

        {

        }

    };

#endif // MIMCVENGINESERVICECHANGEOBSERVER_H