meetingrequest/mrgui/mrfieldbuildercommon/src/cmrfilemanager.cpp
branchRCL_3
changeset 12 4ce476e64c59
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11:0396474f30f5 12:4ce476e64c59
       
     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: File manager for managing file copy op
       
    15 *
       
    16 */
       
    17 
       
    18 #include "cmrfilemanager.h"
       
    19 #include "esmrhelper.h"
       
    20 #include <f32file.h>
       
    21 
       
    22 /// LOCAL NAMESPACE
       
    23 namespace
       
    24 	{
       
    25 // File copying block size
       
    26 const TInt KWriteBlockSize( 1024  );
       
    27 	}
       
    28 
       
    29 // ---------------------------------------------------------------------------
       
    30 // CMRFileManager::NewL
       
    31 // ---------------------------------------------------------------------------
       
    32 //
       
    33 CMRFileManager* CMRFileManager::NewL( RFs& aFs )
       
    34     {
       
    35     CMRFileManager* self = new ( ELeave ) CMRFileManager( aFs );
       
    36     CleanupStack::PushL( self );
       
    37     self->ConstructL();
       
    38     CleanupStack::Pop( self );
       
    39     return self;
       
    40     }
       
    41 
       
    42 // ---------------------------------------------------------------------------
       
    43 // CMRFileManager::~CMRFileManager
       
    44 // ---------------------------------------------------------------------------
       
    45 //
       
    46 CMRFileManager::~CMRFileManager()
       
    47     {
       
    48     delete iFileArray;
       
    49     delete iCurrentFilename;
       
    50     delete iTempFilename;
       
    51     delete iOutputFileArray;
       
    52     iReadStream.Close();
       
    53     iWriteStream.Close();
       
    54     }
       
    55 
       
    56 // ---------------------------------------------------------------------------
       
    57 // CMRFileManager::CMRFileManager
       
    58 // ---------------------------------------------------------------------------
       
    59 //
       
    60 CMRFileManager::CMRFileManager( RFs& aFs )
       
    61 : CActive( CActive::EPriorityStandard ), iFs( aFs )
       
    62     {
       
    63 
       
    64     }
       
    65 
       
    66 // ---------------------------------------------------------------------------
       
    67 // CMRFileManager::ConstructL
       
    68 // ---------------------------------------------------------------------------
       
    69 //
       
    70 void CMRFileManager::ConstructL()
       
    71     {
       
    72     CActiveScheduler::Add( this );
       
    73     }
       
    74 
       
    75 // ---------------------------------------------------------------------------
       
    76 // CMRFileManager::CopyFilesL
       
    77 // ---------------------------------------------------------------------------
       
    78 //
       
    79 void CMRFileManager::CopyFilesL( MDesC16Array& aFilenameArray )
       
    80     {
       
    81     // Take copy of the original filename array
       
    82     TInt count( aFilenameArray.MdcaCount() );
       
    83     if( iFileArray )
       
    84         {
       
    85         delete iFileArray;
       
    86         iFileArray =  NULL;
       
    87         }
       
    88     iFileArray = new (ELeave) CDesCArrayFlat( count );
       
    89     for( TInt i = 0; i < count; ++i )
       
    90         {
       
    91         iFileArray->AppendL( aFilenameArray.MdcaPoint( i ) );
       
    92         }
       
    93 
       
    94     if( iOutputFileArray )
       
    95         {
       
    96         delete iOutputFileArray;
       
    97         iOutputFileArray = NULL;
       
    98         }
       
    99     iOutputFileArray = new (ELeave) CDesCArrayFlat( count );
       
   100     if( iCurrentFilename )
       
   101         {
       
   102         delete iCurrentFilename;
       
   103         iCurrentFilename = NULL;
       
   104         }
       
   105 
       
   106     PrepareNextFileL();
       
   107 
       
   108     iState = ECopyFile;
       
   109     AsyncOp();
       
   110     }
       
   111 
       
   112 // ---------------------------------------------------------------------------
       
   113 // CMRFileManager::CopyFileL
       
   114 // ---------------------------------------------------------------------------
       
   115 //
       
   116 void CMRFileManager::CopyFileL(
       
   117         const TDesC& aSourceFilename,
       
   118         const TDesC& aDestFilename )
       
   119     {
       
   120     Cancel();
       
   121 
       
   122     iReadStream.Close();
       
   123     iWriteStream.Close();
       
   124     iReadStream.Open( iFs, aSourceFilename, EFileShareReadersOnly );
       
   125     iWriteStream.Open( iFs, aDestFilename, EFileWrite|EFileShareAny );
       
   126 
       
   127     if ( iObserver )
       
   128         {
       
   129         iObserver->NotifyStartL( aSourceFilename );
       
   130         }
       
   131 
       
   132     iState = ECopyFile;
       
   133 
       
   134     AsyncOp();
       
   135     }
       
   136 
       
   137 // ---------------------------------------------------------------------------
       
   138 // CMRFileManager::CopyFileL
       
   139 // ---------------------------------------------------------------------------
       
   140 //
       
   141 void CMRFileManager::CopyFileL( RFile& aSource, RFile& aDest )
       
   142     {
       
   143     Cancel();
       
   144 
       
   145     iReadStream.Close();
       
   146     iWriteStream.Close();
       
   147     iReadStream.Attach( aSource );
       
   148     iWriteStream.Attach( aDest );
       
   149 
       
   150     if ( iObserver )
       
   151         {
       
   152         TFileName name;
       
   153 
       
   154         if ( KErrNone == aSource.Name( name ) )
       
   155             {
       
   156             iObserver->NotifyStartL( name );
       
   157             }
       
   158         }
       
   159 
       
   160     iState = ECopyFile;
       
   161     AsyncOp();
       
   162     }
       
   163 
       
   164 // ---------------------------------------------------------------------------
       
   165 // CMRFileManager::CancelOp
       
   166 // ---------------------------------------------------------------------------
       
   167 //
       
   168 void CMRFileManager::CancelOp()
       
   169     {
       
   170     iState = ECancelled;
       
   171     }
       
   172 
       
   173 // ---------------------------------------------------------------------------
       
   174 // CMRFileManager::PrepareNextFileL
       
   175 // ---------------------------------------------------------------------------
       
   176 //
       
   177 void CMRFileManager::PrepareNextFileL()
       
   178     {
       
   179     // Take first item as current
       
   180     if( iCurrentFilename )
       
   181         {
       
   182         delete iCurrentFilename;
       
   183         iCurrentFilename = NULL;
       
   184         }
       
   185     iCurrentFilename = (*iFileArray)[ 0 ].AllocL();
       
   186 
       
   187 
       
   188     TParse parser;
       
   189     parser.Set( *iCurrentFilename , NULL, NULL );
       
   190     TFileName attachmentName( parser.NameAndExt() );
       
   191 
       
   192     User::LeaveIfError( ESMRHelper::CreateAndAppendPrivateDirToFileName( attachmentName ) );
       
   193 
       
   194     iReadStream.Close();
       
   195     iWriteStream.Close();
       
   196     User::LeaveIfError( iWriteStream.Replace( iFs, attachmentName, EFileWrite|EFileShareAny ) );
       
   197     iReadStream.Open( iFs, *iCurrentFilename, EFileRead );
       
   198     iOutputFileArray->AppendL( attachmentName );
       
   199 
       
   200     delete iTempFilename;
       
   201     iTempFilename = NULL;
       
   202     iTempFilename = attachmentName.AllocL();
       
   203 
       
   204     if( iObserver )
       
   205         {
       
   206         iObserver->NotifyStartL( *iCurrentFilename );
       
   207         }
       
   208     }
       
   209 
       
   210 // ---------------------------------------------------------------------------
       
   211 // CMRFileManager::SetObserver
       
   212 // ---------------------------------------------------------------------------
       
   213 //
       
   214 void CMRFileManager::SetObserver( MMRFileManObserver& aObserver )
       
   215     {
       
   216     iObserver = &aObserver;
       
   217     }
       
   218 
       
   219 // ---------------------------------------------------------------------------
       
   220 // CMRFileManager::RunL
       
   221 // ---------------------------------------------------------------------------
       
   222 //
       
   223 void CMRFileManager::RunL()
       
   224     {
       
   225     if( iStatus.Int() != KErrNone )
       
   226         {
       
   227         iReadStream.Close();
       
   228         iWriteStream.Close();
       
   229 
       
   230         if( iObserver )
       
   231             {
       
   232             iObserver->NotifyError( iStatus.Int() );
       
   233             }
       
   234         return;
       
   235         }
       
   236     switch( iState )
       
   237         {
       
   238         case ECopyFile:
       
   239             {
       
   240             CopyFileL();
       
   241 
       
   242             if( iObserver )
       
   243                 {
       
   244                 iObserver->NotifyProgress( KWriteBlockSize );
       
   245                 }
       
   246             AsyncOp();
       
   247             break;
       
   248             }
       
   249         case ECancelled:
       
   250             {
       
   251             if( iObserver )
       
   252                 {
       
   253                 iReadStream.Close();
       
   254                 iWriteStream.Close();
       
   255                 // Delete last because it was cancelled
       
   256                 if ( iOutputFileArray )
       
   257                     {
       
   258                     iOutputFileArray->Delete( iOutputFileArray->Count() - 1 );
       
   259                     }
       
   260                 iObserver->NotifyEnd();
       
   261                 iState = EDone;
       
   262                 }
       
   263             break;
       
   264             }
       
   265         case EDone:
       
   266             {
       
   267             break;
       
   268             }
       
   269         }
       
   270     }
       
   271 
       
   272 // ---------------------------------------------------------------------------
       
   273 // CMRFileManager::RunError
       
   274 // ---------------------------------------------------------------------------
       
   275 //
       
   276 TInt CMRFileManager::RunError( TInt aError )
       
   277     {
       
   278     if ( aError == KErrEof ) // File has been copied fully
       
   279         {
       
   280         aError = KErrNone;
       
   281         if( iFileArray && iFileArray->Count() > 1 )
       
   282             {
       
   283             iFileArray->Delete( 0 );
       
   284 
       
   285             // Start new file copy op
       
   286             TRAP( aError,
       
   287                     {
       
   288                     PrepareNextFileL();
       
   289                     AsyncOp();
       
   290                     } )
       
   291             }
       
   292         else
       
   293             {
       
   294             if( iObserver )
       
   295                 {
       
   296                 iReadStream.Close();
       
   297                 iWriteStream.Close();
       
   298 
       
   299                 iObserver->NotifyEnd();
       
   300                 iState = EDone;
       
   301                 }
       
   302             }
       
   303         }
       
   304 
       
   305     if ( aError )
       
   306         {
       
   307         iReadStream.Close();
       
   308         iWriteStream.Close();
       
   309 
       
   310         if( iObserver )
       
   311             {
       
   312             iObserver->NotifyError( aError );
       
   313             iState = EDone;
       
   314             }
       
   315         }
       
   316 
       
   317     return KErrNone;
       
   318     }
       
   319 
       
   320 // ---------------------------------------------------------------------------
       
   321 // CMRFileManager::DoCancel
       
   322 // ---------------------------------------------------------------------------
       
   323 //
       
   324 void CMRFileManager::DoCancel()
       
   325     {
       
   326     iReadStream.Close();
       
   327     iWriteStream.Close();
       
   328     delete iFileArray;
       
   329     iFileArray = NULL;
       
   330     delete iOutputFileArray;
       
   331     iOutputFileArray = NULL;
       
   332     iFileIndex = KErrNotFound;
       
   333     delete iCurrentFilename;
       
   334     iCurrentFilename = NULL;
       
   335     delete iTempFilename;
       
   336     iTempFilename = NULL;
       
   337     }
       
   338 
       
   339 // ---------------------------------------------------------------------------
       
   340 // CMRFileManager::AsyncOp
       
   341 // ---------------------------------------------------------------------------
       
   342 //
       
   343 void CMRFileManager::AsyncOp()
       
   344     {
       
   345     SetActive();
       
   346     TRequestStatus *stat = &iStatus;
       
   347     User::RequestComplete( stat, KErrNone );
       
   348     }
       
   349 
       
   350 // ---------------------------------------------------------------------------
       
   351 // CMRFileManager::CopyFileL
       
   352 // ---------------------------------------------------------------------------
       
   353 //
       
   354 void CMRFileManager::CopyFileL()
       
   355     {
       
   356     iWriteStream.WriteL( iReadStream, KWriteBlockSize );
       
   357     }
       
   358 
       
   359 // ---------------------------------------------------------------------------
       
   360 // CMRFileManager::CopiedFiles
       
   361 // ---------------------------------------------------------------------------
       
   362 //
       
   363 MDesC16Array& CMRFileManager::CopiedFiles() const
       
   364     {
       
   365     return *iOutputFileArray;
       
   366     }
       
   367 // End of file
       
   368