1 /*

     2 * Copyright (c) 2007-2007 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 handling interactions betweed UI and RConnection.

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef C_CSCENGCONNECTIONHANDLER_H

    21 #define C_CSCENGCONNECTIONHANDLER_H

    22 

    23 #include <in_sock.h>

    24 #include <es_sock.h>

    25 #include <es_enum.h>

    26 

    27 #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS

    28 #include <es_enum_internal.h>

    29 #endif

    30 

    31 #include "mcscengtimerobserver.h"

    32 

    33 class CCSCEngTimer;

    34 class MCSCEngConnectionObserver;

    35 

    36 /**

    37  * An instance of CCSCEngConnectionHandler

    38  * For handling interactions betweed UI and RConnection.

    39  *

    40  * @lib cscengine.lib

    41  * @since Series 60 3.2

    42  */

    43 NONSHARABLE_CLASS( CCSCEngConnectionHandler ) : public CActive,

    44                                                 public MCSCEngTimerObserver

    45     {    

    46     public:

    47         

    48         /**

    49          * Enumeration for connection events

    50          */

    51         enum TConnectionEvent

    52             {

    53             EEventConnectionDown = 0,

    54             EEventTimedOut

    55             };

    56                 

    57         /**

    58          * Two-phased constructor.

    59          */ 

    60         IMPORT_C static CCSCEngConnectionHandler* NewL( 

    61             MCSCEngConnectionObserver& aObserver );

    62 

    63 

    64         /**

    65          * Destructor.

    66          */

    67         IMPORT_C virtual ~CCSCEngConnectionHandler();

    68         

    69         

    70         /**

    71          * Start listening connection events

    72          * 

    73          * @since S60 v3.2

    74          */

    75         IMPORT_C void StartListeningConnectionEvents();

    76         

    77         

    78         /**

    79          * Stop listening connection events

    80          * 

    81          * @since S60 v3.2

    82          */

    83         IMPORT_C void StopListeningConnectionEvents();

    84         

    85         

    86         // from base class MCSCEngTimerObserver

    87         

    88         /**

    89         * Called on timer expiration.

    90         *

    91         * @since S60 v3.2

    92         */

    93        void TimerExpired();

    94 

    95 

    96     protected: 

    97     

    98         // from base class CActive

    99         

   100         /**

   101          * From CActive.

   102          */

   103         void RunL();

   104         

   105         

   106         /**

   107          * From CActive.

   108          */

   109         void DoCancel();

   110 

   111                

   112     private:

   113 

   114         CCSCEngConnectionHandler( 

   115             MCSCEngConnectionObserver& aObserver );

   116 

   117         void ConstructL();

   118         

   119            

   120     private:  // data

   121         

   122         /**

   123          * Pointer to CSCEngTimer.

   124          * Own.

   125          */

   126         CCSCEngTimer* iTimer;

   127     

   128         /**

   129          * Reference for observer.

   130          */

   131         MCSCEngConnectionObserver& iObserver;

   132         

   133         /**

   134          * RConnection.

   135          */

   136         RConnection iConnection;

   137         

   138         /**

   139          * Socket server.

   140          */

   141         RSocketServ iSocketServ;

   142                 

   143         /**

   144          * Interface notifiaction buffer

   145          */

   146         TInterfaceNotificationBuf iInfoBuf;

   147         

   148 #ifdef _DEBUG

   149     friend class UT_CSCEngConnectionHandler;

   150 #endif   

   151     };

   152 

   153 #endif // C_CSCENGCONNECTIONHANDLER_H