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:    Visual object status observer

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef M_GLXVISUALOBJECTSTATUSOBSERVER_H

    22 #define M_GLXVISUALOBJECTSTATUSOBSERVER_H

    23 

    24 #include <e32std.h>

    25 

    26 class CGlxVisualObject;

    27 

    28 /**

    29  * Observer interface for notification when visual thumbnail status changes.

    30  *

    31  * @author Dan Rhodes

    32  */

    33 NONSHARABLE_CLASS( MGlxVisualObjectStatusObserver )

    34     {

    35 public:

    36     /**

    37     * Called when the visual thumbnail status changes.

    38     * @param aObject The visual whose status has changed.

    39     * @param aListIndex Media list index.

    40     * @param aHasThumbnail Whether the thumbnail texture has content.

    41     */

    42     virtual void VisualStatusChangedL( CGlxVisualObject& aObject,

    43                                 TInt aListIndex, TBool aHasThumbnail ) = 0;

    44     /**

    45     * Called when a thumbnail has been loaded for an item which previously

    46     * didn't have one.

    47     * @param aObject The visual whose status has changed.

    48     */

    49     virtual void ThumbnailLoadedL( CGlxVisualObject& aObject ) = 0;

    50     };

    51 

    52 #endif  // M_GLXVISUALOBJECTSTATUSOBSERVER_H