/*

* 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:  Preview popup observer.

*

*/

#ifndef AKNPREVIEWPOPUPOBSERVER_H

#define AKNPREVIEWPOPUPOBSERVER_H

// FORWARD DECLARATIONS

class CAknPreviewPopUpController;

// CLASS DECLARATION

/**

*  Interface for observing preview popup events.

*

*  @lib avkon.lib

*  @since S60 3.2

*/

class MAknPreviewPopUpObserver

    {    

    public:

        /** Preview popup event types. */

        enum TPreviewPopUpEvent

                {                

                /** Preview popup is shown. */

                EPreviewPopUpShown,

                /** Preview popup is hidden. */

                EPreviewPopUpHidden

                };

    public:

        /**

        * Called by the preview popup when an appropriate event takes place. 

        * @param aController Pointer to the sender of the event.

        * @param aEvent Event type.

        */

        virtual void HandlePreviewPopUpEventL(

            CAknPreviewPopUpController* aController,

            TPreviewPopUpEvent aEvent ) = 0;

    };

#endif // AKNPREVIEWPOPUPOBSERVER_H

//  End of File