filesystemuis/memscaneng/serversrc/msengscannerbase.cpp
branchRCL_3
changeset 20 491b3ed49290
parent 19 95243422089a
child 21 65326cf895ed
equal deleted inserted replaced
19:95243422089a 20:491b3ed49290
     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: 
       
    15 *     Virtual base class for the scanner classes.
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 
       
    21 // USER INCLUDES
       
    22 #include    "msengscannerbase.h"
       
    23 
       
    24 
       
    25 // ========================= MEMBER FUNCTIONS ================================
       
    26     
       
    27 // ---------------------------------------------------------------------------
       
    28 // CMsengScannerBase::CMsengScannerBase()
       
    29 //
       
    30 // C++ default constructor. Can NOT contain any code, that might leave.
       
    31 // ---------------------------------------------------------------------------
       
    32 CMsengScannerBase::CMsengScannerBase(MMsengScannerObserver& aObserver, 
       
    33                                      CMsengInfoArray& aInfoArray,
       
    34                                      RFs& aFsSession
       
    35                                      )
       
    36 : CActive(CActive::EPriorityStandard), iObserver(aObserver),
       
    37   iInfoArray(aInfoArray), iFsSession(aFsSession)
       
    38     {
       
    39     CActiveScheduler::Add(this);
       
    40     }    
       
    41 
       
    42 // ---------------------------------------------------------------------------
       
    43 // CMsengScannerBase::~CMsengScannerBase()
       
    44 //
       
    45 // Destructor
       
    46 // ---------------------------------------------------------------------------
       
    47 CMsengScannerBase::~CMsengScannerBase()
       
    48     {
       
    49     Cancel();
       
    50     }
       
    51 
       
    52 
       
    53 
       
    54 
       
    55 // ---------------------------------------------------------------------------
       
    56 // CMsengScannerBase::CompleteRequest()
       
    57 //
       
    58 //
       
    59 // ---------------------------------------------------------------------------
       
    60 void CMsengScannerBase::CompleteRequest(TInt aCode)
       
    61     {
       
    62     if (!IsActive())
       
    63         {
       
    64         TRequestStatus* status = &iStatus;
       
    65         User::RequestComplete(status, aCode);
       
    66         SetActive();
       
    67         }
       
    68     }
       
    69 
       
    70 // ---------------------------------------------------------------------------
       
    71 // CMsengScannerBase::RunL()
       
    72 //
       
    73 //
       
    74 // ---------------------------------------------------------------------------
       
    75 void CMsengScannerBase::RunL()
       
    76     {
       
    77     // Do one scanning step
       
    78     const TStepResult result = PerformStepL();
       
    79 
       
    80     switch(result)
       
    81         {
       
    82         case ECompleteRequest:
       
    83             {
       
    84             CompleteRequest();
       
    85             break;
       
    86             }
       
    87 
       
    88         case EScanComplete:
       
    89             {
       
    90             iObserver.HandleScannerEventL(
       
    91                 MMsengScannerObserver::EScannerEventScanComplete, *this);
       
    92             break;
       
    93             }
       
    94         
       
    95         case ERequestIssuedInternally:
       
    96         default:
       
    97             {
       
    98             // Not used, but maybe needed for messaging if some asynchronous
       
    99             // service is used which completes iStatus by itself.
       
   100             break;
       
   101             }
       
   102         }
       
   103     }
       
   104 
       
   105 // ---------------------------------------------------------------------------
       
   106 // CMsengScannerBase::DoCancel()
       
   107 //
       
   108 //
       
   109 // ---------------------------------------------------------------------------
       
   110 void CMsengScannerBase::DoCancel()
       
   111     {
       
   112     // Nothing to do here
       
   113     }
       
   114 
       
   115 
       
   116 // ---------------------------------------------------------------------------
       
   117 // CMsengScannerBase::RunError()
       
   118 //
       
   119 //
       
   120 // ---------------------------------------------------------------------------
       
   121 TInt CMsengScannerBase::RunError(TInt aError)
       
   122     {
       
   123     // Implementation for EScannerEventScanError cannot leave at the moment, 
       
   124     // but lets trap if implementation changes
       
   125     TRAP_IGNORE(iObserver.HandleScannerEventL(
       
   126         MMsengScannerObserver::EScannerEventScanError, *this, aError));
       
   127     return KErrNone;
       
   128     }
       
   129 
       
   130 
       
   131 //  End of File