/*

* Copyright (c) 2006 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:  Observer interface to handle chat container changes.

*

*/

#ifndef __MCACHATOBSERVERPC_H__

#define __MCACHATOBSERVERPC_H__

//  INCLUDES

#include <e32def.h>

#include "TEnumsPC.h"

// CLASS DECLARATION

/**

 *  Observer interface to handle messages container changes.

 *

 *  @lib wvuiprocessng.dll

 *  @since 3.2

 */

class MCAChatObserverPC

    {

    public: // Interface

        /**

         * Handle chat events. - MCAConversationObserverPC

         * @param aWvid - WVID

         * @param aContactId - Contact identification

         * @param aIndex - The index of the conversation in the local store of PC

         * @param aChatInList - if new chat then ETrue

         * @param aMessage - The message text

         */

        virtual void HandleOpenChatsEvent( const TEnumsPC::TChange aEvent,

                                           const TEnumsPC::TItem aTabItemType,

                                           const TDesC& aWvid,

                                           const TDesC& aIdentification,

                                           const TInt aIndex ) = 0;

        /**

         * Destructor

         */

        virtual ~MCAChatObserverPC() {}

    };

#endif      // __MCACHATOBSERVERPC_H__

// End of File