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:  Defines abstract interface for CCamSelfTimer observers*

    15 */

    16 

    17 

    18 

    19 #ifndef CAMSELFTIMEROBSERVER_H

    20 #define CAMSELFTIMEROBSERVER_H

    21 

    22 //  INCLUDES

    23 

    24 // CONSTANTS

    25 

    26 // MACROS

    27 

    28 // DATA TYPES

    29 enum TCamSelfTimerEvent

    30     {

    31     ECamSelfTimerEventTimerOn,

    32     ECamSelfTimerEventTimerOff

    33     };

    34 

    35 

    36 // FUNCTION PROTOTYPES

    37 

    38 // FORWARD DECLARATIONS

    39 

    40 // CLASS DECLARATION

    41 

    42 /**

    43 * Abstract API for self timer observer. 

    44 * Derived classes may register as observers to get related

    45 * notifications about events from CCamSelfTimer.

    46 *

    47 *  @since 2.8

    48 */

    49 class MCamSelfTimerObserver

    50     {

    51     public:

    52         /**

    53         * Handle an event from CCamSelfTimer.

    54         * @since 2.8

    55         * @param aEvent the self timer event

    56         * @param aCountdown self timer countdown duration

    57         */

    58         virtual void HandleSelfTimerEvent( TCamSelfTimerEvent aEvent, TInt aCountDown ) = 0;

    59     };

    60 

    61 #endif      // CAMSELFTIMEROBSERVER_H

    62             

    63 // End of File