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:  Obsererver for Set System Locked event  

    15 *

    16 *

    17 */

    18 

    19 

    20 #ifndef     __SECUILOCKOBSERVER_H

    21 #define     __SECUILOCKOBSERVER_H

    22 

    23 #include <e32svr.h>

    24 #include <e32property.h>

    25 #include "secui.hrh"

    26 

    27 class CCodeQueryDialog;

    28 

    29 

    30 NONSHARABLE_CLASS(CSecUiLockObserver): public CActive

    31     {

    32     public:

    33 		/**

    34         * Creates instance of the CLockObserver class.

    35         *

    36 		* @param aDialog (pointer to code dialog)

    37 		* @return Returns the instance just created.

    38         */

    39         static CSecUiLockObserver* NewL(CCodeQueryDialog* aDialog, TInt aType  = ESecUiDeviceLockObserver);

    40 		/**

    41         * Destructor.

    42         */

    43 		~CSecUiLockObserver();

    44 		/**

    45         * Stops listenig PubSub events.

    46         */

    47 		void StopObserver(); 

    48 		/**

    49         * Starts listenig PubSub events.

    50         */

    51 		void StartObserver();

    52 		/**

    53         * Sets the dialog's address.

    54         */

    55 		void SetAddress(CCodeQueryDialog* aDialog);    

    56 	private:

    57         /**

    58         * Starts asynchronic listening KUidAutolockStatus event

    59         *

    60 		* @return KErrNone: if no errors

    61         * @return KErrInUse: if already listening

    62 		*/

    63 		TInt Start();            

    64     private: // constructors

    65 		/**

    66         * C++ default constructor.

    67 		*

    68 		* @param aDialog (pointer to code dialog)

    69         */

    70         CSecUiLockObserver(CCodeQueryDialog* aDialog, TInt aType);

    71 		 /**

    72         * Symbian OS constructor.

    73         */

    74         void ConstructL();

    75     private: // from CActive

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

    77 		void RunL();

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

    79         void DoCancel();

    80     private: // data

    81     	CCodeQueryDialog*      iDialog; //not owned!

    82         RProperty            iProperty;

    83         TBool				 iSubscribedToEvent;

    84         TInt                 iType; //Type of the observer

    85     };

    86 

    87 #endif 

    88 // End of file