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 for FsControlButton class

    15 *

    16 */

    17 

    18 

    19 #ifndef M_FSCONTROLBUTTONOBSERVER_H

    20 #define M_FSCONTROLBUTTONOBSERVER_H

    21 

    22 /**

    23  *  Control Button observer class.

    24  *

    25  *  @code

    26  *

    27  *  @endcode

    28  *

    29  *  @lib fs_generic.lib

    30  */

    31 NONSHARABLE_CLASS( MFsControlButtonObserver )

    32     {

    33 public:

    34     /** events sent to observers */

    35     enum TFsControlButtonEvent

    36         {

    37         EEventButtonPressed,

    38         EEventButton,

    39         EEventButtonReleased,

    40         EEventButtonVisibilityChanged,

    41         // <cmail> Touch

    42         EEventButtonDimmStateChanged,

    43         EEventButtonTouchPressed,

    44         EEventButtonTouchReleased,

    45         // </cmail>

    46         EFocusVisibilityChange

    47         };

    48 

    49 public:

    50     /**

    51      * Invoked when button is pressed.

    52      *

    53      * @param aEvent event type.

    54      * @param aId id of the pressed button.

    55      */

    56     virtual TBool HandleButtonEvent(

    57         TFsControlButtonEvent aEvent,

    58         TInt aId ) = 0;

    59     };

    60 

    61 #endif // M_FSCONTROLBUTTONOBSERVER_H