appinstaller/AppMngr2/src/appmngr2scannerdir.cpp
changeset 80 9dcba1ee99f7
parent 77 d1838696558c
equal deleted inserted replaced
77:d1838696558c 80:9dcba1ee99f7
     1 /*
       
     2 * Copyright (c) 2008 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:   Directory scanner
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include "appmngr2scannerdir.h"         // CAppMngr2ScannerDir
       
    20 #include "appmngr2scannerdirobserver.h" // MAppMngr2ScannerDirObserver
       
    21 #include <driveinfo.h>                  // DriveInfo
       
    22 
       
    23 _LIT( KBackslash, "\\" );
       
    24 
       
    25 
       
    26 // ======== MEMBER FUNCTIONS ========
       
    27 
       
    28 // ---------------------------------------------------------------------------
       
    29 // CAppMngr2ScannerDir::NewLC()
       
    30 // ---------------------------------------------------------------------------
       
    31 //
       
    32 CAppMngr2ScannerDir* CAppMngr2ScannerDir::NewL( RFs& aFs, const TDesC& aDir,
       
    33         MAppMngr2ScannerDirObserver& aObs )
       
    34     {
       
    35     CAppMngr2ScannerDir* self = new (ELeave) CAppMngr2ScannerDir( aFs, aObs );
       
    36     CleanupStack::PushL( self );
       
    37     self->ConstructL( aDir );
       
    38     CleanupStack::Pop( self );
       
    39     return self;
       
    40     }
       
    41 
       
    42 // ---------------------------------------------------------------------------
       
    43 // CAppMngr2ScannerDir::~CAppMngr2ScannerDir()
       
    44 // ---------------------------------------------------------------------------
       
    45 //
       
    46 CAppMngr2ScannerDir::~CAppMngr2ScannerDir()
       
    47     {
       
    48     Cancel();
       
    49     delete iDir;
       
    50     }
       
    51 
       
    52 // ---------------------------------------------------------------------------
       
    53 // CAppMngr2ScannerDir::DirName()
       
    54 // ---------------------------------------------------------------------------
       
    55 //
       
    56 const TDesC& CAppMngr2ScannerDir::DirName() const
       
    57     {
       
    58     if( iDir )
       
    59         {
       
    60         return *iDir;
       
    61         }
       
    62     return KNullDesC;
       
    63     }
       
    64 
       
    65 // ---------------------------------------------------------------------------
       
    66 // CAppMngr2ScannerDir::StartWatchingChanges()
       
    67 // ---------------------------------------------------------------------------
       
    68 //
       
    69 void CAppMngr2ScannerDir::StartWatchingChanges()
       
    70     {
       
    71     if( !IsActive() )
       
    72         {
       
    73         iFs.NotifyChange( ENotifyEntry, iStatus, *iDir );
       
    74         SetActive();
       
    75         }
       
    76     }
       
    77 
       
    78 // ---------------------------------------------------------------------------
       
    79 // CAppMngr2ScannerDir::StopWatchingChanges()
       
    80 // ---------------------------------------------------------------------------
       
    81 //
       
    82 void CAppMngr2ScannerDir::StopWatchingChanges()
       
    83     {
       
    84     if( IsActive() )
       
    85         {
       
    86         Cancel();
       
    87         }
       
    88     }
       
    89 
       
    90 // ---------------------------------------------------------------------------
       
    91 // CAppMngr2ScannerDir::DoCancel()
       
    92 // ---------------------------------------------------------------------------
       
    93 //
       
    94 void CAppMngr2ScannerDir::DoCancel()
       
    95     {
       
    96     iFs.NotifyChangeCancel();
       
    97     }
       
    98 
       
    99 // ---------------------------------------------------------------------------
       
   100 // CAppMngr2ScannerDir::RunL()
       
   101 // ---------------------------------------------------------------------------
       
   102 //
       
   103 void CAppMngr2ScannerDir::RunL()
       
   104     {
       
   105     // Status is KErrCancel when StopWatchingChanges() has been called
       
   106     if( iStatus.Int() == KErrNone )
       
   107         {
       
   108         iFs.NotifyChange( ENotifyEntry, iStatus, *iDir );
       
   109         SetActive();
       
   110     
       
   111         iObserver.DirectoryChangedL( *iDir );
       
   112         }
       
   113     }
       
   114 
       
   115 // ---------------------------------------------------------------------------
       
   116 // CAppMngr2ScannerDir::CAppMngr2ScannerDir()
       
   117 // ---------------------------------------------------------------------------
       
   118 //
       
   119 CAppMngr2ScannerDir::CAppMngr2ScannerDir( RFs& aFs, MAppMngr2ScannerDirObserver& aObs ) :
       
   120         CActive( CActive::EPriorityStandard ), iObserver( aObs ), iFs( aFs )
       
   121     {
       
   122     CActiveScheduler::Add( this );
       
   123     }
       
   124 
       
   125 // ---------------------------------------------------------------------------
       
   126 // CAppMngr2ScannerDir::ConstructL()
       
   127 // ---------------------------------------------------------------------------
       
   128 //
       
   129 void CAppMngr2ScannerDir::ConstructL( const TDesC& aDir )
       
   130     {
       
   131     // Check if aDir has trailing backslash, add it if it does not have.
       
   132     // RFs::NotifyChange() and also RApaLsSession::RecognizeFilesL() that scanner
       
   133     // uses require trailing backslashes in directory names, hence create iDir so
       
   134     // that is always ends with trailing backslash.
       
   135     if( aDir.Right( 1 ).Compare( KBackslash ) == 0 )
       
   136         {
       
   137         // RFs::IsValidName() does not accept trailing backslashes, so check the
       
   138         // the directory name first without trailing backslash
       
   139         TPtrC dirWithoutTrailingString( aDir.Left( aDir.Length() - 1 ) );
       
   140         if( !iFs.IsValidName( dirWithoutTrailingString ) )
       
   141             {
       
   142             User::LeaveIfError( KErrBadName );
       
   143             }
       
   144         iDir = aDir.AllocL();
       
   145         }
       
   146     else
       
   147         {
       
   148         // No trailing backslash, check the dir name and then add the backslash
       
   149         if( !iFs.IsValidName( aDir ) )
       
   150             {
       
   151             User::LeaveIfError( KErrBadName );
       
   152             }
       
   153         iDir = HBufC::NewL( aDir.Length() + 1 );
       
   154         TPtr dirPtr = iDir->Des();
       
   155         dirPtr.Copy( aDir );
       
   156         dirPtr.Append( KBackslash );
       
   157         }
       
   158     }
       
   159