1 /*

     2 * Copyright (c) 2005 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 *     Interface which allows subscribers to consume key event or pass the event

    16 *     to other view class.

    17 *       

    18 *

    19 */

    20 

    21 

    22 #ifndef MKEYPROCESSOR_H

    23 #define MKEYPROCESSOR_H

    24 

    25 // INCLUDES

    26 #include <w32std.h>

    27 

    28 // FORWARD DECLARATIONS

    29 class MAknTabObserver;

    30 

    31 // ===========================================================================

    32 // MKeyProcessor

    33 // ===========================================================================

    34 

    35 /**

    36 *	An interface a CCoeControl class can implement to forward the keyevents 

    37 *   before the actual control gets the key events. This is useful in 

    38 *   situations where the control consumes keys which you need.

    39 */

    40 class MKeyProcessor

    41     {

    42     public:

    43     /**

    44      * process the keyevent befor it reaches the control

    45      * @param aKeyEvent the event fired

    46      * @param aType the type of event

    47      * @return ETrue if key event was consumed, otherwise EFalse

    48      */

    49     virtual TBool ProcessKeyEventL( const TKeyEvent& aKeyEvent,

    50                                     TEventCode aType ) = 0;

    51 

    52 	/**

    53      * returns the pointer to MAknTabObserver interface

    54      * @return pointer to the MAknTabObserver interface

    55      */

    56     virtual MAknTabObserver* TabObserver() = 0;

    57     };

    58 

    59             

    60 #endif //MKEYPROCESSOR_H

    61 

    62 // End of File