1 /*

     2 * Copyright (c) 2010 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: Listen VPN toggle key changes in central repository.

    15 *

    16 */

    17 

    18 #ifndef MPMVPNTOGGLEWATCHER_H

    19 #define MPMVPNTOGGLEWATCHER_H

    20 

    21 //  INCLUDES

    22 #include <e32base.h>

    23 

    24 // FORWARD DECLARATIONS

    25 class CRepository;

    26 

    27 // Stop after this many consecutive central repository errors.

    28 const TInt KMpmVpnToggleWatcherCenRepErrorThreshold = 80;

    29 

    30 /**

    31 * Class that specifies the functions for handling notify messages about

    32 * VPN toggle key changes in central repository.

    33 */

    34 class MMpmVpnToggleWatcherNotify

    35 {

    36 public:

    37     

    38     /**

    39      * Sets values for VPN toggle after VPN toggle key changes in central

    40      * repository.

    41      * @param aVpnPreferred Informs if VPN connection is preferred

    42      *                      connection

    43      * @param aVpnIapId VPN IAP Id, which is used for VPN connection, when

    44      *                  VPN connection is preferred                           

    45      * @param aSnapId SNAP Id SNAP Id, which is used for VPN connection,

    46      *                when VPN connection is preferred

    47      */

    48      virtual void SetVpnToggleValuesL( const TBool aVpnPreferred,

    49                                        const TUint32 aVpnIapId,

    50                                        const TUint32 aSnapId ) = 0;

    51 };

    52 

    53 

    54 /**

    55  *  Class for monitoring VPN toggle key changes in central repository.

    56  *  Follows KMpmVpnToggleCenRepUid key in central repository.

    57  */

    58 class CMpmVpnToggleWatcher : public CActive

    59     {

    60 public:

    61 

    62     /**

    63     * Two-phased constructor.

    64     * @param aNotify Handler for notify messages.

    65     */    

    66     static CMpmVpnToggleWatcher* NewL( MMpmVpnToggleWatcherNotify& aNotify );

    67 

    68     /**

    69     * Destructor.

    70     */

    71     virtual ~CMpmVpnToggleWatcher();

    72     

    73     /**

    74      * Call this when you want to start listen event.

    75      */

    76     void StartL();    

    77         

    78     /**

    79      * Informs if VPN connection is preferred.

    80      * @return True if VPN connection is preferred.

    81      */

    82     TBool IsVpnConnectionPreferred() const;

    83     

    84     /**

    85      * Returns VPN IAP Id, which is used for VPN connection, when VPN

    86      * connection is preferred.

    87      * @return VPN IAP Id

    88      */

    89     TUint32 VpnIapId() const;

    90     

    91     /**

    92      * Returns SNAP Id, which is used for VPN connection, when VPN

    93      * connection is preferred.

    94      * @return SNAP Id

    95      */

    96     TUint32 SnapId() const;    

    97     

    98     /**

    99      * Resets VPN toggle values.

   100      */    

   101     void ResetVpnToggleValues();

   102     

   103 private:

   104 

   105     CMpmVpnToggleWatcher( MMpmVpnToggleWatcherNotify& aNotify );

   106 

   107     void ConstructL();

   108     

   109     /**

   110      * Request for notifications.

   111      * @return Error value

   112      */

   113     TInt RequestNotifications();

   114     

   115     /**

   116      * Gets VPN toggle values.

   117      * @return Error value

   118      */

   119     TInt GetVpnToggleValues();

   120 

   121 // from base class CActive

   122 

   123     void RunL();

   124 

   125     void DoCancel();

   126     

   127 private: // data

   128     

   129     /**

   130      * Central repository handle

   131      * Own.

   132      */

   133     CRepository* iRepository;    

   134     

   135     /**

   136      * Informs if VPN connection is preferred connection

   137      * Own.

   138      */

   139     TBool iVpnConnectionPreferred;

   140     

   141     /**

   142      * VPN IAP Id which is used, when VPN connection is preferred

   143      * Own.

   144      */

   145     TUint32 iVpnIapId;

   146     

   147     /**

   148      * SNAP Id which is used, when VPN connection is preferred

   149      * Own.

   150      */

   151     TUint32 iSnapId;

   152     

   153     /**

   154      * Error counter.

   155      */

   156     TUint iErrorCounter;

   157 

   158     /**

   159      * Handler for notify messages.

   160      * Not own.

   161      */

   162     MMpmVpnToggleWatcherNotify& iNotify;

   163     

   164     };

   165 

   166 #endif // MPMVPNTOGGLEWATCHER_H