/*

* Copyright (c) 2002-2005 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:  Active implementation of A/H features.

*

*/

#ifndef CCAAHVARIANT20_H

#define CCAAHVARIANT20_H

//  INCLUDES

#include "MCAAHVariant.h"

#include <AknTabObserver.h>	// A/H support

// FORWARD DECLARATIONS

class MAknTabObserver;

// CLASS DECLARATION

/**

* Active implementation of A/H features.

* See base class MCAAHVariant.h for method comments.

*

*  @lib chat.app

*  @since 1.2s

*/

class CCAAHVariant20 : public CBase,

            public MCAAHVariant,

            public MAknTabObserver

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CCAAHVariant20* NewL();

        /**

        * Destructor.

        */

        virtual ~CCAAHVariant20();

    public: // Functions from base classes

        /*

        * From MCAAHVariant

        * @since 2.0

        * Check method comments from MCAAHVariant.h

        */

        CAknNavigationDecorator* CreateTabGroupL(

            CAknNavigationControlContainer& aNaviPane,

            CCAAppUi& aAppUi,

            CCAStatusPaneHandler& aStatusPane );

        TBool HandleTabsL( const TKeyEvent& aKeyEvent,

                           TEventCode aType );

        /*

        * From MAknTabObserver, called when tabs change.

        * @since 2.0

        * @param aIndex, tab index.

        */

        void TabChangedL( TInt aIndex );

    private:

        /**

        * C++ default constructor.

        */

        CCAAHVariant20();

    private:    // Data

        // classes needed for responding to tab change

        CAknNavigationControlContainer* iNaviPane;

        CCAAppUi* iAppUi;

        CCAStatusPaneHandler* iStatusPane;

    };

#endif      // CCAAHVARIANT20_H

// End of File