bluetoothengine/btui/Ecom/src/BTUIRegistryWatcher.cpp
branchRCL_3
changeset 56 9386f31cc85b
parent 0 f63038272f30
equal deleted inserted replaced
55:613943a21004 56:9386f31cc85b
       
     1 /*
       
     2 * Copyright (c) 2002 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:  Declares Registry watcher class for BTUI.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 
       
    21 #include "BTUI.h"
       
    22 #include "BTUIRegistryWatcher.h"
       
    23 #include <bt_subscribe.h>
       
    24 
       
    25 #include "BTDevModel.h"  //for Log printing Macro
       
    26 
       
    27 // ================= MEMBER FUNCTIONS =======================
       
    28 
       
    29 // ---------------------------------------------------------
       
    30 // CBTUIRegistryWatcherAO::CBTUIRegistryWatcherAO
       
    31 // C++ default constructor can NOT contain any code, that
       
    32 // might leave.
       
    33 // ---------------------------------------------------------
       
    34 //
       
    35 CBTUIRegistryWatcherAO::CBTUIRegistryWatcherAO( MBTUIRegistryObserver* aParent )
       
    36     : CActive(EPriorityNormal), iParent ( aParent )
       
    37     {
       
    38     TRACE_FUNC_ENTRY
       
    39 
       
    40     CActiveScheduler::Add(this);
       
    41 
       
    42     TRACE_FUNC_EXIT
       
    43     }
       
    44 
       
    45 // ---------------------------------------------------------
       
    46 // Destructor.
       
    47 // ---------------------------------------------------------
       
    48 //
       
    49 CBTUIRegistryWatcherAO::~CBTUIRegistryWatcherAO()
       
    50     {
       
    51     TRACE_FUNC_ENTRY
       
    52 
       
    53     Cancel();
       
    54     iProperty.Close();
       
    55 
       
    56     TRACE_FUNC_EXIT
       
    57     }
       
    58 
       
    59 // ---------------------------------------------------------
       
    60 // CBTUIRegistryWatcherAO::WatchL
       
    61 // ---------------------------------------------------------
       
    62 //
       
    63 void CBTUIRegistryWatcherAO::WatchL()
       
    64     {
       
    65     TRACE_FUNC_ENTRY
       
    66 
       
    67     if( !iProperty.Handle() )
       
    68         {
       
    69 		User::LeaveIfError( iProperty.Attach( KPropertyUidBluetoothCategory,
       
    70                                               KPropertyKeyBluetoothRegistryTableChange ) );
       
    71         }
       
    72 
       
    73     if( !IsActive() )
       
    74         {
       
    75         iProperty.Subscribe(iStatus);
       
    76         SetActive();    
       
    77         }
       
    78     TRACE_FUNC_EXIT
       
    79     }
       
    80 
       
    81 // ---------------------------------------------------------
       
    82 // CBTUIRegistryWatcherAO::DoCancel
       
    83 // ---------------------------------------------------------
       
    84 //
       
    85 void CBTUIRegistryWatcherAO::DoCancel()
       
    86     {
       
    87     TRACE_FUNC
       
    88 
       
    89     iProperty.Cancel();
       
    90     }
       
    91 
       
    92 // ---------------------------------------------------------
       
    93 // CBTUIRegistryWatcherAO::RunL
       
    94 // ---------------------------------------------------------
       
    95 //
       
    96 void CBTUIRegistryWatcherAO::RunL()
       
    97     {
       
    98     TRACE_FUNC_ENTRY
       
    99 
       
   100     if( iStatus.Int()==KErrNone )
       
   101         {
       
   102         __ASSERT_DEBUG(iParent, PANIC(EBTPanicClassMemberVariableIsNull));
       
   103 
       
   104         // Inform observer
       
   105         //
       
   106         iParent->RegistryContentChangedL();
       
   107         
       
   108         // Continue watching
       
   109         //
       
   110         WatchL();
       
   111         }
       
   112 
       
   113     TRACE_FUNC_EXIT
       
   114     }
       
   115 
       
   116 // ---------------------------------------------------------
       
   117 // CBTUIRegistryWatcherAO::RunError
       
   118 // ---------------------------------------------------------
       
   119 //
       
   120 TInt CBTUIRegistryWatcherAO::RunError( TInt aError )
       
   121     {
       
   122     TRACE_INFO((_L("RunError: %d"), aError))
       
   123 
       
   124     return aError;
       
   125     }
       
   126 
       
   127 // ---------------------------------------------------------
       
   128 // CBTUIRegistryWatcherAO::StopWatching
       
   129 // ---------------------------------------------------------
       
   130 //
       
   131 void CBTUIRegistryWatcherAO::StopWatching()
       
   132     {
       
   133     TRACE_FUNC
       
   134 
       
   135     Cancel();
       
   136     }
       
   137 
       
   138 // End of File