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:  Light status observer

    15 *

    16 */

    17 

    18 

    19 #ifndef C_AILIGHTSTATUSOBSERVER_H

    20 #define C_AILIGHTSTATUSOBSERVER_H

    21 

    22 #include <e32base.h>

    23 #include <e32property.h>

    24 #include <hwrmlight.h>

    25 #include "aidevicestatusobserver.h"

    26 

    27 class MAiStateManager;

    28 

    29 /**

    30  * @ingroup group_aifw

    31  * 

    32  *  Publish and subscribe key observer

    33  * 

    34  *  @lib aifw

    35  *  @since S60 3.2

    36  */

    37  

    38 NONSHARABLE_CLASS( CAiLightStatusObserver ) : public CBase,

    39                                               public MHWRMLightObserver,

    40                                               public MAiDeviceStatusObserver

    41     {

    42 public:

    43 

    44 // Construction

    45 

    46     static CAiLightStatusObserver* NewL( MAiStateManager* aStateManager );

    47 

    48     ~CAiLightStatusObserver();

    49 

    50 // functions from base class MAiDeviceStatusObserver

    51 

    52     TAiStateChanges Status();

    53 

    54 private:

    55 

    56 // Construction

    57     

    58     CAiLightStatusObserver();

    59     

    60     void ConstructL( MAiStateManager* aStateManager );

    61     

    62 // from MHWRMLightObserver

    63 

    64     void LightStatusChanged( TInt aTarget, CHWRMLight::TLightStatus aStatus );

    65     

    66 protected: // Data

    67 

    68     /**

    69      * Light client.

    70      * Own.

    71      */

    72     CHWRMLight* iLight;

    73 

    74     /**

    75      * State manager.

    76      * Not own.

    77      */

    78     MAiStateManager* iStateManager;

    79 

    80     };

    81 

    82 #endif // C_AILIGHTSTATUSOBSERVER_H

    83 

    84 // End of File.