1 /*

     2 * Copyright (c) 2009 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:  For controlling S60 device lights.

    15 *                Subscribes to a property to monitor changes in it.

    16 *

    17 */

    18 

    19 

    20 #ifndef HTIPROPERTYSUBSCRIBER_H

    21 #define HTIPROPERTYSUBSCRIBER_H

    22 

    23 // INCLUDES

    24 #include <e32base.h>

    25 #include <e32property.h>

    26 

    27 // FORWARD DECLARATIONS

    28 

    29 // CLASS DECLARATION

    30 /**

    31 * Subscribes to a property to monitor changes in it.

    32 */

    33 class CHtiPropertySubscriber : public CActive

    34     {

    35     public:

    36         CHtiPropertySubscriber( TCallBack aCallBack, RProperty& aProperty );

    37         ~CHtiPropertySubscriber();

    38 

    39     public: // New functions

    40         void Subscribe();

    41         void Unsubscribe();

    42 

    43     private: // from CActive

    44         void RunL();

    45         void DoCancel();

    46 

    47     private: // data

    48         TCallBack   iCallBack;

    49         RProperty&  iProperty;

    50     };

    51 

    52 #endif // HTIPROPERTYSUBSCRIBER_H

    53 

    54 // End of file