1 /*

     2 * Copyright (c) 2005-2006 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 UI framework events

    15 *

    16 */

    17 

    18 

    19 #ifndef M_AIUIFRAMEWORKOBSERVER_H

    20 #define M_AIUIFRAMEWORKOBSERVER_H

    21 

    22 #include <e32def.h>

    23 

    24 /**

    25  *  MAiUiFrameworkObserver observes UI framework events.

    26  *

    27  *  @since S60 v3.2

    28  */

    29 class MAiUiFrameworkObserver

    30     {

    31 

    32 public:

    33 

    34     /**

    35      * Event handler for resource change in UI framework.

    36      *

    37      * @param aType resource change type.

    38      */

    39     virtual void HandleResourceChange( TInt aType ) = 0;

    40     

    41     /**

    42      * Event handler for focus change event.

    43      *

    44      * @param aForeground ETrue if UI is foreground.

    45      */

    46     virtual void HandleForegroundEvent( TBool aForeground ) = 0;

    47 

    48 protected:

    49 

    50     virtual ~MAiUiFrameworkObserver() {};

    51 

    52     };

    53 

    54 

    55 #endif // M_AIUIFRAMEWORKOBSERVER_H