1 /*

     2 * Copyright (c) 2003 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:  Implement SIM state observer for card removed event

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef CSWIMSYSAGENTOBSERVER_H

    21 #define CSWIMSYSAGENTOBSERVER_H

    22 

    23 

    24 //  INCLUDES

    25 #include <e32base.h>

    26 #include <e32property.h> // RProperty

    27 

    28 //  FORWARD DECLARATIONS

    29 class CSwimReaderIF;

    30 

    31 // CLASS DECLARATION

    32 

    33 /**

    34 *  Publish and subscribe Observer class

    35 *  This class listens P/S events

    36 *

    37 *  @lib SwimReader.lib

    38 *  @since Series60 1.2

    39 */

    40 class CSwimSysAgentObserver : public CActive

    41     {

    42     public: // Constructors and destructor

    43         

    44         /**

    45         * Two-phased constructor.

    46         * @param aReaderIF Pointer to ReaderIF owning this observer

    47         */ 

    48         static CSwimSysAgentObserver* NewL( CSwimReaderIF* aReaderIF );

    49 

    50         /**

    51         * Destructor.

    52         */

    53         virtual ~CSwimSysAgentObserver();

    54 

    55     public: // New functions

    56         

    57         /**

    58         * Starts listener

    59         * @return void 

    60         */

    61         void Start();

    62 

    63     private: 

    64 

    65         /**

    66         * C++ default constructor.

    67         * @param aReaderIF Pointer to ReaderIF owning this observer

    68         */ 

    69         CSwimSysAgentObserver( CSwimReaderIF* aReaderIF );

    70 

    71         /**

    72         * By default Symbian 2nd phase constructor is private.

    73         */

    74         void ConstructL();

    75 

    76         /**

    77         * This function starts listening card state from System agent

    78         * @return void

    79         */

    80         void StartListening();

    81         /**

    82         * From CActive. Handle asyncronous event response

    83         * @return void

    84         */

    85         void RunL();

    86 

    87         /**

    88         * From CActive. Handle Cancel call

    89         * @return void

    90         */

    91         void DoCancel();

    92 

    93     private:    // Data

    94         // SIM status property

    95         RProperty       iProperty;

    96         // Pointer to ReaderIF owning this observer. Not owned.

    97         CSwimReaderIF*  iReaderIF;

    98     };

    99 

   100 #endif      // CSWIMSYSAGENTOBSERVER_H

   101             

   102 // End of File