/*

 * 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