1 /*

     2 * Copyright (c) 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:  Key event observer API for components.

    15 *

    16 */

    17 

    18 

    19 #ifndef M_VTUIKEYEVENTOBSERVER_H

    20 #define M_VTUIKEYEVENTOBSERVER_H

    21 

    22 #include <w32std.h>

    23 #include <coedef.h>

    24 

    25 /**

    26  *  MVtUiKeyEventObserver

    27  *

    28  *  Keyevent observer API definition.

    29  *

    30  *  @since S60 v3.2

    31  */

    32 class MVtUiKeyEventObserver

    33     {

    34 

    35 public:

    36 

    37     /**

    38      * Called when key event handling is required.

    39      *

    40      * @param aEvent The key event.

    41      * @param aCode The type of key event: EEventKey, EEventKeyUp or

    42      * EEventKeyDown.

    43      * @return Indicates whether or not the key event was used.

    44      */

    45     virtual TKeyResponse OfferKeyEventL( const TKeyEvent& aEvent,

    46         TEventCode aCode ) = 0;

    47 

    48     };

    49 

    50 #endif // M_VTUIKEYEVENTOBSERVER_H