messagingapp/msgutils/unidatautils/unidatamodel/src/UniDataUtils.cpp
changeset 31 ebfee66fde93
parent 25 84d9eb65b26f
child 37 518b245aa84c
equal deleted inserted replaced
30:6a20128ce557 31:ebfee66fde93
       
     1 /*
       
     2 * Copyright (c) 2005 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 *           Data utility class for UniEditor & MMS related editors and viewers
       
    16 *
       
    17 *
       
    18 */
       
    19 
       
    20 
       
    21 // ========== INCLUDE FILES ================================
       
    22 
       
    23 #include <e32std.h>
       
    24 #include <e32base.h>
       
    25 #include <f32file.h>
       
    26 #include <data_caging_path_literals.hrh>
       
    27 
       
    28 #include <bautils.h>
       
    29 
       
    30 #include <mtclbase.h>
       
    31 #include <msvstore.h>
       
    32 #include <mmsvattachmentmanager.h>
       
    33 #include <cmsvattachment.h>
       
    34 #include <cmsvmimeheaders.h>
       
    35 
       
    36 #include <StringLoader.h>           // for StringLoader (load and foramt strings from resources)
       
    37 #include <CommonContentPolicy.h>
       
    38 
       
    39 #include <UniDataModel.rsg>           // Viewer/Editor Mimetype strings
       
    40 
       
    41 #include "UniModelConst.h"
       
    42 #include "UniDataUtils.h"
       
    43 #include "msgtextutils.h"
       
    44 #include "MsgMimeTypes.h"
       
    45 
       
    46 // ========== LOCAL CONSTANTS AND MACROS ===================
       
    47 
       
    48 const TInt KTextBufferMaxSize( 256 );   // Max size for string read from resources.
       
    49                                         // NOTE: This is 256 unicode chars, too.
       
    50 
       
    51 // ========== MEMBER FUNCTIONS =============================
       
    52 
       
    53 
       
    54 // ---------------------------------------------------------
       
    55 // CUniDataUtils::NewL
       
    56 // ---------------------------------------------------------
       
    57 //
       
    58 EXPORT_C CUniDataUtils* CUniDataUtils::NewL( RFs& aFs )
       
    59     {
       
    60     CUniDataUtils* data = new ( ELeave ) CUniDataUtils( aFs );
       
    61     CleanupStack::PushL( data );
       
    62     data->ConstructL();
       
    63     CleanupStack::Pop( data );
       
    64     return data;
       
    65     }
       
    66 
       
    67 
       
    68 // ---------------------------------------------------------
       
    69 // CUniDataUtils::CUniDataUtils
       
    70 //
       
    71 // Constructor
       
    72 // ---------------------------------------------------------
       
    73 //
       
    74 CUniDataUtils::CUniDataUtils( RFs& aFs )
       
    75     : iFs( aFs )
       
    76     {
       
    77     }
       
    78 
       
    79 
       
    80 // ---------------------------------------------------------
       
    81 // CUniDataUtils::ConstructL
       
    82 // ---------------------------------------------------------
       
    83 //
       
    84 void CUniDataUtils::ConstructL()
       
    85     {
       
    86     RegisterDataL();
       
    87     iTextUtils = CMsgTextUtils::NewL( iFs );
       
    88     }
       
    89 
       
    90 // ---------------------------------------------------------
       
    91 // CUniDataUtils::~CUniDataUtils
       
    92 //
       
    93 // Destructor.
       
    94 // ---------------------------------------------------------
       
    95 //
       
    96 CUniDataUtils::~CUniDataUtils()
       
    97     {
       
    98     delete iDefaultFileName;
       
    99     delete iEmptyPageString;
       
   100     delete iTextUtils;
       
   101     }
       
   102 
       
   103 // ---------------------------------------------------------
       
   104 // CUniDataUtils::CharconvIdToMibIdL
       
   105 // ---------------------------------------------------------
       
   106 //
       
   107 EXPORT_C TUint CUniDataUtils::CharconvIdToMibIdL( TUint aCharconvCharsetId )
       
   108     {
       
   109     return iTextUtils->CharconvIdToMibIdL( aCharconvCharsetId );
       
   110     }
       
   111 
       
   112 // ---------------------------------------------------------
       
   113 // CUniDataUtils::MibIdToCharconvIdL
       
   114 // ---------------------------------------------------------
       
   115 //
       
   116 EXPORT_C TUint CUniDataUtils::MibIdToCharconvIdL( TUint aMibId )
       
   117     {
       
   118     return iTextUtils->MibIdToCharconvIdL( aMibId );
       
   119     }
       
   120 
       
   121 // ---------------------------------------------------------
       
   122 // CUniDataUtils::UTF8Size
       
   123 // ---------------------------------------------------------
       
   124 EXPORT_C TInt CUniDataUtils::UTF8Size( TPtrC aText )
       
   125     {
       
   126     return CMsgTextUtils::UTF8Size( aText );
       
   127     }
       
   128 
       
   129 // ---------------------------------------------------------
       
   130 // CUniDataUtils::RegisterDataL
       
   131 //
       
   132 // Registers data
       
   133 // ---------------------------------------------------------
       
   134 //
       
   135 void CUniDataUtils::RegisterDataL()
       
   136     {
       
   137     TFileName fileName;
       
   138     TParse parse;
       
   139     parse.Set( KUniDataModelResourceFilename, &KDC_RESOURCE_FILES_DIR, NULL );
       
   140     fileName = parse.FullName();
       
   141 
       
   142     BaflUtils::NearestLanguageFile( iFs, fileName );
       
   143 
       
   144     RResourceFile resourceFile;
       
   145     resourceFile.OpenL( const_cast<RFs&>( iFs ), fileName );
       
   146     resourceFile.ConfirmSignatureL( KDefResFileSignature );
       
   147     CleanupClosePushL( resourceFile );
       
   148 
       
   149     iDefaultFileName = ReadResStringL( resourceFile, R_MMDU_DEFAULT_FILE_NAME );
       
   150     iEmptyPageString = ReadResStringL( resourceFile, R_MMDU_EMPTY_SLIDE );
       
   151 
       
   152     CleanupStack::PopAndDestroy( &resourceFile );
       
   153     }
       
   154 
       
   155 
       
   156 // ---------------------------------------------------------
       
   157 // CUniDataUtils::ReadResStringL
       
   158 //
       
   159 // Read single string.
       
   160 // ---------------------------------------------------------
       
   161 //
       
   162 HBufC* CUniDataUtils::ReadResStringL( const RResourceFile& aResourceFile, TInt aSrcResId )
       
   163     {
       
   164     HBufC* readBuf = HBufC::NewLC( KTextBufferMaxSize );
       
   165     TPtr8 readBuffer( (TText8*) readBuf->Ptr(), KTextBufferMaxSize * 2 );
       
   166     aResourceFile.ReadL(readBuffer, (0x00000fff & aSrcResId) ); // Remove offset from id
       
   167 
       
   168     if ( readBuffer.Length() != 0 )
       
   169         {
       
   170         readBuf->Des().SetLength((readBuffer.Length()+1)>>1);
       
   171         }
       
   172 
       
   173     CleanupStack::Pop( readBuf );
       
   174     return readBuf;
       
   175     }
       
   176 
       
   177 // ---------------------------------------------------------
       
   178 // FileSizeL
       
   179 // ---------------------------------------------------------
       
   180 EXPORT_C TInt CUniDataUtils::FileSizeL( const TFileName& aFileName )
       
   181     {
       
   182     TInt size(0);
       
   183     RFile file;
       
   184 
       
   185     TInt err = file.Open( iFs, aFileName, EFileShareAny );
       
   186     if ( err == KErrAccessDenied || err == KErrInUse )
       
   187         {
       
   188         err = file.Open( iFs, aFileName, EFileShareReadersOnly );
       
   189         }
       
   190     if ( err == KErrNone )
       
   191         {
       
   192         file.Size( size );
       
   193         }
       
   194     else
       
   195         {
       
   196         file.Close();
       
   197         User::Leave( err );
       
   198         }
       
   199 
       
   200     file.Close();
       
   201     return size;
       
   202     }
       
   203 
       
   204 // ---------------------------------------------------------
       
   205 // CUniObject::GetAttachmentFileL
       
   206 // ---------------------------------------------------------
       
   207 //
       
   208 EXPORT_C RFile CUniDataUtils::GetAttachmentFileL( CBaseMtm& aMtm, TMsvAttachmentId aId )
       
   209     {
       
   210     RFile file;
       
   211     CMsvStore* store = aMtm.Entry().ReadStoreL();
       
   212     CleanupStack::PushL( store );
       
   213     MMsvAttachmentManager& manager = store->AttachmentManagerL();
       
   214     file = manager.GetAttachmentFileL( aId );
       
   215     CleanupStack::PopAndDestroy( store );
       
   216 
       
   217     return file;
       
   218     }
       
   219 
       
   220 // ---------------------------------------------------------
       
   221 // CUniObject::IndexPositionOfAttachmentL
       
   222 // ---------------------------------------------------------
       
   223 //
       
   224 EXPORT_C TInt CUniDataUtils::IndexPositionOfAttachmentL(
       
   225         MMsvAttachmentManager& aManager,
       
   226         TMsvAttachmentId aId )
       
   227 	{
       
   228     TInt count = aManager.AttachmentCount();
       
   229 	TInt foundPosition = KErrNotFound;
       
   230 
       
   231     for ( TInt i = 0; i < count; ++i )
       
   232         {
       
   233         CMsvAttachment* attachment = aManager.GetAttachmentInfoL( i );
       
   234         TMsvAttachmentId id = attachment->Id();
       
   235         delete attachment;
       
   236         if ( id == aId )
       
   237             {
       
   238             foundPosition = i;
       
   239             break;
       
   240             }
       
   241         }
       
   242 
       
   243 	// Leave with KErrNotFound if the attachment id is not found
       
   244 	User::LeaveIfError( foundPosition );
       
   245 
       
   246 	// return the index position of attachment
       
   247 	return foundPosition;
       
   248 	}
       
   249 
       
   250 //  End of File