convergedcallengine/spsettings/backuphelper/src/spsbackuphelpermonitor.cpp
changeset 0 ff3b6d0fd310
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     1 /*
       
     2 * Copyright (c) 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 "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:  Service provider settings backup helper monitor
       
    15 *
       
    16 */
       
    17 
       
    18 #include "spsapilogger.h"
       
    19 #include "spsbackuphelpermonitor.h"
       
    20 #include "spsbackuphelperperformer.h"
       
    21 
       
    22 
       
    23 
       
    24 
       
    25 // ---------------------------------------------------------------------------
       
    26 // 
       
    27 // ---------------------------------------------------------------------------
       
    28 //
       
    29 CSpsBackupHelperMonitor* CSpsBackupHelperMonitor::NewL()
       
    30     {
       
    31     CSpsBackupHelperMonitor* self = new ( ELeave ) CSpsBackupHelperMonitor;
       
    32     CleanupStack::PushL( self );
       
    33     self->ConstructL();
       
    34     CleanupStack::Pop( self );
       
    35     return self;
       
    36     }
       
    37 
       
    38 // ---------------------------------------------------------------------------
       
    39 // 
       
    40 // ---------------------------------------------------------------------------
       
    41 //
       
    42 CSpsBackupHelperMonitor::~CSpsBackupHelperMonitor()
       
    43     {
       
    44     Cancel();
       
    45     iProperty.Close();
       
    46     delete iPerformer;
       
    47     }
       
    48 
       
    49 // ---------------------------------------------------------------------------
       
    50 // 
       
    51 // ---------------------------------------------------------------------------
       
    52 //
       
    53 CSpsBackupHelperMonitor::CSpsBackupHelperMonitor() : 
       
    54     CActive( CActive::EPriorityStandard )
       
    55     {
       
    56     
       
    57     }
       
    58 
       
    59 // ---------------------------------------------------------------------------
       
    60 // 
       
    61 // ---------------------------------------------------------------------------
       
    62 //
       
    63 void CSpsBackupHelperMonitor::ConstructL()
       
    64     {
       
    65     TInt err( KErrNone );
       
    66     
       
    67     // Add to active scheduler
       
    68     CActiveScheduler::Add(this);
       
    69     
       
    70     // Set up the property to catch the BUR flag.
       
    71     TInt backupStateValue = 0;
       
    72     iProperty.Attach( KUidSystemCategory, conn::KUidBackupRestoreKey );
       
    73 
       
    74     // Check current state to see if we were started for backup purposes
       
    75     iProperty.Get(backupStateValue);
       
    76     
       
    77     // Subscribe to the P&S flag to catch transitions
       
    78     Subscribe();
       
    79     
       
    80     // Construct performer
       
    81     iPerformer = CSpsBackupHelperPerformer::NewL();
       
    82     
       
    83     TRAP( err, ProcessBackupStateL(backupStateValue) );
       
    84     XSPSLOGSTRING2( "CSpsBackupHelperMonitor::ConstructL, %i", err );
       
    85     }
       
    86 
       
    87 // ---------------------------------------------------------------------------
       
    88 // 
       
    89 // ---------------------------------------------------------------------------
       
    90 //
       
    91 void CSpsBackupHelperMonitor::ProcessBackupStateL( TInt aBackupStateValue )
       
    92     {
       
    93     XSPSLOGSTRING2( "CSpsBackupHelperMonitor::ProcessBackupStateL, %i", aBackupStateValue );
       
    94     
       
    95     // Do special logic when restore has ended
       
    96     if( RestoreOngoing( aBackupStateValue ) )
       
    97         {
       
    98         XSPSLOGSTRING( "CSpsBackupHelperMonitor::ProcessBackupStateL, restore started" );
       
    99         // Restore started.
       
   100         iParticipateRestore = ETrue;
       
   101         }
       
   102     else if( NoBackupRestore( aBackupStateValue ) && iParticipateRestore )
       
   103         {
       
   104         XSPSLOGSTRING( "CSpsBackupHelperMonitor::ProcessBackupStateL, restore ended" );
       
   105         // Increase priority so that restore process wont be interrupted so easily
       
   106         RProcess().SetPriority( ::EPriorityHigh );
       
   107         
       
   108         // Performer available and no backup or restore ongoing
       
   109         // -> Restore has been ended.
       
   110         iPerformer->PerformL();
       
   111         }
       
   112     
       
   113     if( NoBackupRestore( aBackupStateValue ) )
       
   114         {
       
   115         XSPSLOGSTRING( "CSpsBackupHelperMonitor::ProcessBackupStateL, cleanup" );
       
   116         iParticipateRestore = EFalse;
       
   117         }
       
   118     
       
   119     XSPSLOGSTRING( "CSpsBackupHelperMonitor::ProcessBackupStateL OUT" );
       
   120     }
       
   121 
       
   122 // ---------------------------------------------------------------------------
       
   123 // 
       
   124 // ---------------------------------------------------------------------------
       
   125 //
       
   126 TBool CSpsBackupHelperMonitor::RestoreOngoing( TInt aBackupStateValue )
       
   127     {
       
   128     // Full or partial restore started/ongoing
       
   129     TBool ret = 
       
   130         ( ( ( aBackupStateValue & conn::EBURRestoreFull ) == 
       
   131             conn::EBURRestoreFull ) ||
       
   132         ( ( aBackupStateValue & conn::EBURRestorePartial ) == 
       
   133             conn::EBURRestorePartial ) );
       
   134     
       
   135     return ret;
       
   136     }
       
   137 
       
   138 // ---------------------------------------------------------------------------
       
   139 // 
       
   140 // ---------------------------------------------------------------------------
       
   141 //
       
   142 TBool CSpsBackupHelperMonitor::NoBackupRestore( TInt aBackupStateValue )
       
   143     {
       
   144     // Not set or no backup or restore ongoing
       
   145     TBool ret = 
       
   146         ( ( aBackupStateValue == conn::EBURUnset ) ||
       
   147         ( aBackupStateValue == conn::EBURNormal ) );
       
   148     
       
   149     return ret;
       
   150     }
       
   151 
       
   152 // ---------------------------------------------------------------------------
       
   153 // 
       
   154 // ---------------------------------------------------------------------------
       
   155 //
       
   156 void CSpsBackupHelperMonitor::Subscribe()
       
   157     {
       
   158     iStatus = KRequestPending;
       
   159     iProperty.Subscribe(iStatus);
       
   160     SetActive();
       
   161     }
       
   162 
       
   163 // ---------------------------------------------------------------------------
       
   164 // 
       
   165 // ---------------------------------------------------------------------------
       
   166 //
       
   167 void CSpsBackupHelperMonitor::RunL()
       
   168     {
       
   169     XSPSLOGSTRING( "CSpsBackupHelperMonitor::RunL IN" );
       
   170     // The P&S flag has changed state, which could mean that the device is
       
   171     // either entering a backup, restore or normal state
       
   172     TInt backupStateValue = 0;  // To store the P&S value
       
   173 
       
   174     // re-subscribe to the flag to monitor future changes
       
   175     Subscribe();
       
   176 
       
   177     iProperty.Get(backupStateValue);
       
   178 
       
   179     // Process the mode change accordingly
       
   180     ProcessBackupStateL(backupStateValue);
       
   181     XSPSLOGSTRING( "CSpsBackupHelperMonitor::RunL OUT" );
       
   182     }
       
   183 
       
   184 // ---------------------------------------------------------------------------
       
   185 // 
       
   186 // ---------------------------------------------------------------------------
       
   187 //
       
   188 TInt CSpsBackupHelperMonitor::RunError( TInt /*aError*/ )
       
   189     {
       
   190     XSPSLOGSTRING( "CSpsBackupHelperMonitor::RunError" );
       
   191     return KErrNone;
       
   192     }
       
   193 
       
   194 // ---------------------------------------------------------------------------
       
   195 // 
       
   196 // ---------------------------------------------------------------------------
       
   197 //
       
   198 void CSpsBackupHelperMonitor::DoCancel()
       
   199     {
       
   200     iProperty.Cancel();
       
   201     }
       
   202 
       
   203 // End of file
       
   204