1 /*

     2 * Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:    Observer for navigable list

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef __M_GLXNAVIGABLELISTOBSERVER_H__

    22 #define __M_GLXNAVIGABLELISTOBSERVER_H__

    23 

    24 #include <e32base.h>

    25 #include "glxlistdefs.h"

    26 #include "mglxitemlistobserver.h"

    27 

    28 /**

    29  * Observer for navigable list

    30  *

    31  * @author Aki Vanhatalo

    32  *

    33  * @internal reviewed 17/07/2007 by Kimmo Hoikka

    34  *

    35  * @ingroup mlm_media_list_manager_design

    36  */

    37 class MGlxNavigableListObserver : public MGlxItemListObserver

    38     {

    39 public:

    40     /**

    41      * Nofication of focus having been changed

    42      *

    43      * @param aType backward/forward/unknown

    44      * @param aNewIndex New focus index

    45      * @param aOldIndex Old focus index

    46      */

    47     virtual void HandleFocusChanged( NGlxListDefs::TFocusChangeType aType, 

    48         TInt aNewIndex, TInt aOldIndex ) = 0;

    49         

    50     /**

    51      * Notification that an item has been selected/deselected

    52      *

    53      * @param aIndex Index of the item that has been selected/deselected

    54      * @param aSelected Boolean to indicate selection/deselection

    55      */

    56     virtual void HandleItemSelected( TInt aIndex, TBool aSelected ) = 0;

    57     };

    58     

    59 #endif // __M_GLXNAVIGABLELISTOBSERVER_H__

    60