/*

* Copyright (c) 2007 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:  Client side class to hold conversation change observer

*                request received for specific client conversation

*

*/

#ifndef __C_CS_CONVERSATION_CHANGE_OBSERVER_H__

#define __C_CS_CONVERSATION_CHANGE_OBSERVER_H__

// SYSTEM INCLUDES

//USER INCLUDES

#include <ccsdefs.h>

// FORWARD CLASS

class CCsClientConversation;

class MCsConversationChangeObserver;

// CLASS DECLARATION

/**

 * This is a client side class to hold the conversation change observer

 * request

 * @since S60 v5.0

 */

class CCsConversationChangeObserver: public CBase

{

    public:

        /**

        * Two phase construction

        * @return Instance of CCsConversationChangeObserver

        */

        static CCsConversationChangeObserver* NewL();         

        /**

        * Destructor

        */

        ~CCsConversationChangeObserver();

    public:

        /**

         * ClientConversation

         * Provides the client conversation 

         * @return pointer to client conversation 

         */

        CCsClientConversation* ClientConversation() const;

        /**

         * SetClientConversationL

         * Sets the client conversation of this object 

         * @param aConversation The client conversation 

         */

        void SetClientConversationL(const CCsClientConversation& aConversation);

        /**

         * ConversationChangeObserver

         * Provides the client conversation 

         * @return pointer to ConversationChangeObserver

         */

        MCsConversationChangeObserver* ConversationChangeObserver() const;

        /**

         * SetConversationChangeObserverL

         * Sets the Conversation Change Observer of this object 

         * @param aObserver The Conversation Change Observer

         */

        void SetConversationChangeObserverL(MCsConversationChangeObserver* aObserver);                

    private:    // functions

        /**

        * Default Constructor

        */

        CCsConversationChangeObserver();

        /**

        * Second phase constructor

        */

        void ConstructL();

    private:    // data members

        /**

        * iClientConversation

        * Client Conversation received from application

        * Own.

        */ 

        CCsClientConversation*  iClientConversation;

        /**

        * iObserver

        * Conversation change observer object received from application

        * NotOwned.

        */

        MCsConversationChangeObserver*  iObserver;     

};

#endif // __C_CS_CONVERSATION_CHANGE_OBSERVER_H__