1 /*

     2 * Copyright (c) 2007 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 interface for a fade effect.

    15  *

    16 */

    17 

    18 

    19 #ifndef C_FSFADEEFFECTOBSERVER_H

    20 #define C_FSFADEEFFECTOBSERVER_H

    21 

    22 /**

    23  * Observer interface for a fade effect.

    24  */

    25 NONSHARABLE_CLASS(MFsFadeEffectObserver)

    26     {

    27 public:

    28 

    29     /**

    30      * 

    31      */

    32     enum TFadeEffectState 

    33         {

    34         EIdle=0,

    35         EFadingIn=1,

    36         EFadingOut,        

    37         EFadeInFinished,

    38         EFadeOutFinished

    39         };

    40     

    41 public:

    42     /**

    43      * Function which will receive notifications about 

    44      * fade effect state changes.

    45      * @param aState Current state of fade affect

    46      */

    47     virtual void FadeEffectEvent(MFsFadeEffectObserver::TFadeEffectState aState)=0;

    48     };

    49 

    50 #endif // C_FSFADEEFFECTOBSERVER_H