/*

* 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:  Observer interface to handle chat container changes.

*

*/

#ifndef __MIMCVEngineChatListObserverOBSERVER_H__

#define __MIMCVEngineChatListObserverOBSERVER_H__

//  INCLUDES

#include <e32def.h>

//	FORWARD CLASS DECLERATIONS

class MIMCVEngineMessageReadInterface;

// CLASS DECLARATION

enum TChatListEventType

    {

    EChatItemAdded,

    EChatItemDeleted,

    EChatAllItemDeleted,

    EEventNotSpecified

    };

/**

 *  Observer interface to handle messages container changes.

 *

 *  @lib imcvuiengine.dll

 *  @since 5.0

 */

class MIMCVEngineChatListObserver

	{

	public: // Interface

		/**

		 * Handle events.

		 * @param aEvent Event to handle.

		 * @param aContainerInfo, Container

		 */

		virtual void HandleChatListEvent( TInt aServiceId, TChatListEventType aEvent, 

								MIMCVEngineMessageReadInterface* aContainerInfo

								 ) = 0;

	protected: // For protection.

		/**

		 * Destructor

		 */

		virtual ~MIMCVEngineChatListObserver(){}

	};

#endif      // __MIMCVEngineChatListObserverOBSERVER_H__

// End of File