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: Obsererver for Set System Locked event 

    15 *

    16 */

    17 #ifndef     __SCPLOCKOBSERVER_H

    18 #define     __SCPLOCKOBSERVER_H

    19 

    20 #include <e32svr.h>

    21 #include <e32property.h>

    22 #include "SecUi.hrh"

    23 

    24  

    25 class CSCPQueryDialog;

    26 

    27 NONSHARABLE_CLASS(CSCPLockObserver): public CActive

    28     {

    29     public:

    30 		/**

    31         * Creates instance of the CLockObserver class.

    32         *

    33 		* @param aDialog (pointer to code dialog)

    34 		* @return Returns the instance just created.

    35         */

    36         static CSCPLockObserver* NewL(CSCPQueryDialog* aDialog, TInt aType  = ESecUiDeviceLockObserver);

    37 		/**

    38         * Destructor.

    39         */

    40 		~CSCPLockObserver();

    41 		/**

    42         * Stops listenig PubSub events.

    43         */

    44 		void StopObserver(); 

    45 		/**

    46         * Starts listenig PubSub events.

    47         */

    48 		void StartObserver();

    49 		/**

    50         * Sets the dialog's address.

    51         */

    52 		void SetAddress(CSCPQueryDialog* aDialog);    

    53 	private:

    54         /**

    55         * Starts asynchronic listening KUidAutolockStatus event

    56         *

    57 		* @return KErrNone: if no errors

    58         * @return KErrInUse: if already listening

    59 		*/

    60 		TInt Start();            

    61     private: // constructors

    62 		/**

    63         * C++ default constructor.

    64 		*

    65 		* @param aDialog (pointer to code dialog)

    66         */

    67         CSCPLockObserver(CSCPQueryDialog* aDialog, TInt aType);

    68 		 /**

    69         * Symbian OS constructor.

    70         */

    71         void ConstructL();

    72     private: // from CActive

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

    74 		void RunL();

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

    76         void DoCancel();

    77     private: // data

    78         CSCPQueryDialog*      iDialog; //not owned!

    79         RProperty            iProperty;

    80         TBool				 iSubscribedToEvent;

    81         TInt                 iType; //Type of the observer

    82     };

    83 

    84 #endif 

    85 // End of file