/*

* Copyright (c) 2005-2007 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:  

*

*/

#ifndef MUIMODEOBSERVER_H

#define MUIMODEOBSERVER_H

#include <e32std.h>

/**

 *

 *  Observer class that informs AppUi class to change view, 

 *  exit application etc.

 *

 */

class MUIModeObserver

    {

    public:

       // available views

       enum TView

            {

            ImageSelectionView,

            PreviewView,

            SettingsView

            };

        /**

         * Changes the view to the given one

         *

         * @param aView the view to be changed to

         */

        virtual void ChangeViewL( TInt aView ) = 0;

		/**

		 * Exits the application

		 */

        virtual void ExitApplication() = 0;

        /**

         * Sets the text for navipane

         *

         * @param aCopiesOfImage image count for navepane

         * @param aPaperSize paper size text for navipane

         */      

        virtual void SetNavipaneTextL( const TInt aCopiesOfImage, HBufC* aPaperSize = NULL ) = 0;

    };

#endif  //  MUIMODEOBSERVER_H

//  End of File