1 /*

     2 * Copyright (c) 2002-2006 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: 

    15 *     An observer class used to hand over key events to classes

    16 *     that can't receive them by themselves (i.e. not CCoeControl derived

    17 *     classes)

    18 *

    19 */

    20 

    21 

    22 #ifndef __MVRKEYOBSERVER_H__

    23 #define __MVRKEYOBSERVER_H__

    24 

    25 // INCLUDES

    26 #include <w32std.h>

    27 

    28 // CLASS DECLARATION

    29 /**

    30 * An observer class used to hand over key events to classes

    31 * that can't receive them by themselves (i.e. not CCoeControl derived

    32 * classes)

    33 */

    34 class MVRKeyObserver 

    35     {

    36 

    37     public: // new methods

    38 

    39 		/**

    40 		* This function is called when a subject wants to report a key event.

    41 		* @param aKeyEvent The key event.

    42 		* @param aType The type of key event: EEventKey, EEventKeyUp

    43 		*              or EEventKeyDown

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

    45 		*/

    46 		virtual TBool ProcessKeyEventL( const TKeyEvent& aKeyEvent,

    47 										const TEventCode aType ) = 0;

    48 

    49     };

    50 

    51 #endif // __MVRKEYOBSERVER_H__