1 /*

     2 * Copyright (c) 2006 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:  This is the BT bearer plugin  notifier header file.

    15 *

    16 */

    17 

    18 

    19 #ifndef __BTPLUGINNOTIFIER_H__

    20 #define __BTPLUGINNOTIFIER_H__

    21 

    22 

    23 #include <e32base.h>

    24 #include <btserversdkcrkeys.h>

    25 #include <locodbearerpluginparams.h>      

    26 #include <centralrepository.h>      

    27 #include <locodbearer.h>

    28 

    29 

    30 /**

    31  *  BT Plug in module for local connectivity daemon.

    32  *

    33  *  This active object checks BT state from central repository and start 

    34  *  watching BT ON/OFF state. If BT is ON, it connects to BTEngine server.

    35  *  It  continues to watch the key and when it has changed, it notifies 

    36  *  the daemon through its callback function.

    37  *

    38  *  @lib btbearer.lib

    39  *  @since S60 v3.2

    40  */

    41 NONSHARABLE_CLASS( CBTPluginNotifier ) : public CActive

    42     {

    43 

    44 public:

    45 

    46     /**  Enumeration of CenRep key types */

    47     enum TCenRepKeyType

    48         {

    49         EKeyInt,

    50         EKeyReal,

    51         EKeyBinary,

    52         EKeyString

    53         };

    54         

    55     /**

    56      * Two-phase constructor

    57      *

    58      * @param aObserver Reference to the callback class.

    59      * @param aUid The UID that identifies the repository.

    60      * @param aKeyType Key type.

    61      * @param aId The ID of the key.

    62      * @return CBTPluginNotifier Initialized object.

    63      */

    64 	static CBTPluginNotifier* NewL( MLocodBearerPluginObserver& aObserver, 

    65 	                                TUid aUid, TCenRepKeyType aKeyType, 

    66 	                                TUint32 aId );

    67 

    68     /**

    69      * Destructor

    70      */

    71 	virtual ~CBTPluginNotifier();

    72 

    73 private:

    74 

    75     /**

    76      * C++ default constructor

    77      */

    78     CBTPluginNotifier( MLocodBearerPluginObserver& Param, TUid aUid, 

    79 	                   TCenRepKeyType aKeyType, TUint32 aId );

    80 

    81     /**

    82      * Symbian 2nd-phase constructor

    83      */

    84     void ConstructL();

    85 

    86     /**

    87      * Subscribes to the change of central repository keys

    88      *

    89      * @since S60 v3.2

    90      */

    91     void SubscribeL();

    92 

    93 // from base class CActive

    94 

    95     /**

    96      * From CActive.

    97      * Called by the active scheduler when our subscription 

    98      * to the setting has been cancelled.

    99      *

   100      * @since S60 v3.2

   101      */

   102     void DoCancel();

   103 

   104     /**

   105      * From CActive.

   106      * Called by the active scheduler when the status has changed.

   107      *

   108      * @since S60 v3.2

   109      */

   110     void RunL();

   111     

   112     /**

   113      * From CActive

   114      * Called by the active scheduler when RunL() leaves, aError contains the leave code.

   115      * 

   116      * @since S60 5.0

   117      */

   118     int RunError(TInt aError);

   119     

   120 private: // data

   121 

   122     /**

   123      * The UID that identifies the setting category.

   124      */

   125     TUid iUid;

   126 

   127     /**

   128      * ID for BT power state in the central repository

   129      */

   130     TUint32 iId;

   131 

   132     /**

   133      * Central repository key type

   134      */

   135     TCenRepKeyType iKeyType;

   136 

   137     /**

   138      * Reference to the observer.

   139      */

   140     MLocodBearerPluginObserver& iHandler;

   141 

   142     /**

   143      * Session with the central repository.

   144      * Own.

   145      */

   146     CRepository* iSession;

   147 

   148     };

   149 

   150 

   151 #endif  // __BTPLUGINNOTIFIER_H__