1 /*

     2 * Copyright (c) 2008, 2009 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 the License "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 *

    16 */

    17 

    18 

    19 #ifndef WIDGETUINETWORKLISTENER_H_

    20 #define WIDGETUINETWORKLISTENER_H_

    21 

    22 // INCLUDES

    23 #include <in_sock.h>

    24 #include <es_enum.h>

    25 #include "WidgetUiWindowManager.h"

    26 

    27 // CLASS DECLARATION

    28 

    29 /**

    30 * Listens real interfaces and reports changes to Widget UI.

    31 */

    32 class CWidgetUiNetworkListener : public CActive

    33     {

    34     public: //Methods

    35 

    36             // Constructors and destructor

    37  

    38             /**

    39             * Static constructor

    40             */

    41             static CWidgetUiNetworkListener* NewL(CWidgetUiWindowManager& aWindowManager);

    42             

    43             /**

    44             * Destructor

    45             */

    46             ~CWidgetUiNetworkListener();

    47 

    48             /**

    49             * Starts listening of all intefaces.

    50             * @return: error code, KErrNone if successfull.

    51             */

    52             TInt StartListening();

    53 

    54     private: // Methods

    55             /**

    56             * Constructor.

    57             */

    58             CWidgetUiNetworkListener(CWidgetUiWindowManager& aWindowManager);

    59 

    60             /**

    61             * Implement RunL of class CActive.

    62             */

    63             void RunL();

    64 

    65             /**

    66             * Implement DoCancel of class CActive.

    67             */

    68             void DoCancel();

    69 

    70             /**

    71             * Connects to the socket server

    72             */

    73             TInt Connect();

    74 

    75             /**

    76             * Closes connection

    77             */

    78             void Close();

    79             

    80             /**

    81             * Check for existing active connections

    82             * @return: ETrue if there is an active network connection, else EFalse

    83             */

    84             TBool CheckActiveNetworkConnection();

    85    

    86     private: // Data

    87         

    88             // reference to WidgetUiWindowManager object

    89             CWidgetUiWindowManager& iWindowManager;

    90 

    91             // buffer to receive interface notification

    92             TInterfaceNotificationBuf iNote;

    93 

    94             // connection to interfaces

    95             RConnection iConn;

    96 

    97             // socket server

    98             RSocketServ iSocketServer;

    99 

   100     };

   101 

   102 #endif /* WIDGETUINETWORKLISTENER_H_ */