1 /*

     2 * Copyright (c) 2002 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 *		Observer for phone events. Used to deactive/active the side-key

    16 *

    17 *

    18 */

    19 

    20 

    21 #ifndef     __AUTOLOCKVALUEOBSERVERPS_H

    22 #define     __AUTOLOCKVALUEOBSERVERPS_H

    23 

    24 #include <e32svr.h>

    25 #include <e32property.h>

    26 

    27 class CAutolockAppUi;

    28 

    29 class   CValueObserver: public CActive

    30     {

    31     public:

    32 		/**

    33         * Creates instance of the CValueObserver class.

    34         *

    35 		* @param aAppUi (pointer to autolock appui)

    36 		* @return Returns the instance just created.

    37         */

    38         static CValueObserver* NewL(CAutolockAppUi* aAppUi);

    39 		/**

    40         * Destructor.

    41         */

    42 		~CValueObserver();    

    43 	public:

    44 		/**

    45         * Starts asynchronic listening KUidCurrentCall event

    46         *

    47 		* @return KErrNone: if no errors

    48         * @return KErrInUse: if already listening

    49 		*/

    50         TInt Start();

    51 		/**

    52         * Stops asynchronic listening KUidAutolockStatus event

    53     	*/

    54 		void Stop();

    55     private: // constructors

    56         /**

    57         * C++ default constructor.

    58 		*

    59 		* @param aAppUi (pointer to autolock appui)

    60         */

    61 		CValueObserver(CAutolockAppUi* aAppUi);

    62         /**

    63         * Symbian OS constructor.

    64         */

    65 		void ConstructL();

    66     private: // from CActive    

    67 		/** @see CActive::RunL() */

    68 		void RunL();

    69 		/** @see CActive::DoCancel() */

    70         void DoCancel();

    71     private: // data

    72     	CAutolockAppUi*      iAppUi; //not owned!

    73         RProperty            iProperty;

    74     };

    75 

    76 #endif 

    77 // End of file