/*
* 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:  Interface for Tab observer
*
*/


#ifndef MCATABOBSERVER_H
#define MCATABOBSERVER_H


/**
 *  Tab observer interface to the UI.
 *  @lib Chatng.exe
 *  @since 3.2
 */

class MCATabObserver
    {


    public:
        /**
         * Gets called when tab event occurs.
         * @param aIndex Index of the tab
         */
        virtual void SwitchTabL( const TDesC& aWvId, const TInt aTabIndex ) = 0;

        /**
         * Destructor
         */
        virtual ~MCATabObserver() {}

    };

#endif //MCATABOBSERVER_H