phonebookui/Phonebook2/Presentation/src/CPbk2EmbeddedImage.cpp
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     1 /*
       
     2 * Copyright (c) 2002-2007 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 *       Methods for Phonebook2 contact item field embedded image reader.
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 
       
    22 #include "Pbk2PresentationUtils.h"
       
    23 #include "CPbk2EmbeddedImage.h"
       
    24 #include "CPbk2ImageReader.h"
       
    25 #include "MPbk2ImageOperationObservers.h"
       
    26 #include "MVPbkBaseContactField.h"
       
    27 #include "MVPbkStoreContactField.h"
       
    28 #include "MVPbkContactFieldBinaryData.h"
       
    29 #include "CVPbkContactManager.h"
       
    30 #include "TVPbkFieldTypeMapping.h"
       
    31 #include "MVPbkFieldType.h"
       
    32 #include "CPbk2ImageData.h"
       
    33 
       
    34 #include <e32std.h>
       
    35 #include <eikappui.h>
       
    36 #include <imageconversion.h>
       
    37 #include <aknappui.h>   // CEikAppUi
       
    38 #include <AknUtils.h>   // TAknLayoutRect
       
    39 #include <barsread.h>   // TResourceReader
       
    40 #include <RPbk2LocalizedResourceFile.h>
       
    41 #include "Pbk2DataCaging.hrh"
       
    42 
       
    43 #include <Pbk2Presentation.rsg>
       
    44 
       
    45 /// Unnamed namespace for local definitions
       
    46 namespace {
       
    47 	
       
    48 #ifdef _DEBUG
       
    49 enum TPanicCode
       
    50     {
       
    51     EPanicReadPreCond_Constructor = 1,
       
    52     EPanicReadPreCond_StartReadL,
       
    53 
       
    54     EPanicWritePreCond_Constructor = 100,
       
    55     EPanicWritePreCond_CreateImageWriterL,
       
    56     EPanicWritePreCond_StoreImageL_CMdaImageDataWriteUtility
       
    57     };
       
    58 #endif // _DEBUG
       
    59 
       
    60 
       
    61 // ==================== LOCAL FUNCTIONS ====================
       
    62 
       
    63 #ifdef _DEBUG
       
    64 void Panic(TPanicCode aPanicCode)
       
    65     {
       
    66     _LIT(KPanicText, "CPbkEmbeddedImage");
       
    67     User::Panic(KPanicText, aPanicCode);
       
    68     }
       
    69 #endif // _DEBUG
       
    70 
       
    71 }  // namespace
       
    72 
       
    73 
       
    74 // ================= MEMBER FUNCTIONS =======================
       
    75 // --------------------------------------------------------------------------
       
    76 // CPbk2EmbeddedImageReader::CPbk2EmbeddedImageReader
       
    77 // --------------------------------------------------------------------------
       
    78 //
       
    79 inline CPbk2EmbeddedImageReader::CPbk2EmbeddedImageReader
       
    80         (const MVPbkBaseContactField& aField, 
       
    81         MPbk2ImageGetObserver& aObserver) :
       
    82     CPbk2ImageReaderBase(aObserver),
       
    83     iField(aField)
       
    84     {
       
    85     __ASSERT_DEBUG(iField.FieldData().DataType()==EVPbkFieldStorageTypeBinary, 
       
    86         Panic(EPanicReadPreCond_Constructor));
       
    87     }
       
    88 
       
    89 // --------------------------------------------------------------------------
       
    90 // CPbk2EmbeddedImageReader::ConstructL
       
    91 // --------------------------------------------------------------------------
       
    92 //
       
    93 inline void CPbk2EmbeddedImageReader::ConstructL()
       
    94     {
       
    95     CPbk2ImageReaderBase::ConstructL();
       
    96     }
       
    97 
       
    98 // --------------------------------------------------------------------------
       
    99 // CPbk2EmbeddedImageReader::NewLC
       
   100 // --------------------------------------------------------------------------
       
   101 //
       
   102 CPbk2EmbeddedImageReader* CPbk2EmbeddedImageReader::NewLC
       
   103         (const MVPbkBaseContactField& aField,
       
   104         MPbk2ImageGetObserver& aObserver)
       
   105     {
       
   106     CPbk2EmbeddedImageReader* self = 
       
   107         new(ELeave) CPbk2EmbeddedImageReader(aField,aObserver);
       
   108     CleanupStack::PushL(self);
       
   109     self->ConstructL();
       
   110     return self;
       
   111     }
       
   112 
       
   113 // --------------------------------------------------------------------------
       
   114 // CPbk2EmbeddedImageReader::~CPbk2EmbeddedImageReader
       
   115 // --------------------------------------------------------------------------
       
   116 //
       
   117 CPbk2EmbeddedImageReader::~CPbk2EmbeddedImageReader()
       
   118     {
       
   119     delete iImageBuffer;
       
   120     }
       
   121 
       
   122 // --------------------------------------------------------------------------
       
   123 // CPbk2EmbeddedImageReader::StartReadL
       
   124 // --------------------------------------------------------------------------
       
   125 //
       
   126 void CPbk2EmbeddedImageReader::StartReadL(
       
   127         const TPbk2ImageManagerParams* aParameters)
       
   128     {
       
   129     if (iImageBuffer)
       
   130         {
       
   131         delete iImageBuffer;
       
   132         iImageBuffer = NULL;
       
   133         }
       
   134     	
       
   135     iImageBuffer = 
       
   136     	MVPbkContactFieldBinaryData::Cast(iField.FieldData()).BinaryData().AllocL();
       
   137     	
       
   138     __ASSERT_DEBUG(iImageBuffer && iImageBuffer->Length()>0, 
       
   139         Panic(EPanicReadPreCond_StartReadL));
       
   140     CancelRead();
       
   141     
       
   142     if (iImageBuffer)
       
   143         {
       
   144         ImageReader().ReadFromBufferL(*iImageBuffer, aParameters);
       
   145         }
       
   146     }
       
   147 
       
   148 // --------------------------------------------------------------------------
       
   149 // CPbk2EmbeddedImageReader::ImageBuffer
       
   150 // --------------------------------------------------------------------------
       
   151 //    
       
   152 const TDesC8& CPbk2EmbeddedImageReader::ImageBuffer() const    
       
   153 	{
       
   154 	if (iImageBuffer)
       
   155 		{
       
   156 		return *iImageBuffer;		
       
   157 		}
       
   158 	return KNullDesC8;
       
   159 	}
       
   160 
       
   161 // --------------------------------------------------------------------------
       
   162 // CPbk2EmbeddedImageWriter::CPbk2EmbeddedImageWriter
       
   163 // --------------------------------------------------------------------------
       
   164 //
       
   165 inline CPbk2EmbeddedImageWriter::CPbk2EmbeddedImageWriter
       
   166         (CVPbkContactManager& aContactManager,
       
   167         MVPbkStoreContactField& aField, 
       
   168         MPbk2ImageSetObserver& aObserver) :
       
   169     CPbk2ImageWriterBase(aObserver), 
       
   170     iContactManager(aContactManager), 
       
   171     iField(aField)   
       
   172     {
       
   173     __ASSERT_DEBUG(iField.FieldData().DataType()==EVPbkFieldStorageTypeBinary, 
       
   174         Panic(EPanicWritePreCond_Constructor));
       
   175     }
       
   176 
       
   177 // --------------------------------------------------------------------------
       
   178 // CPbk2EmbeddedImageWriter::ConstructL
       
   179 // --------------------------------------------------------------------------
       
   180 //
       
   181 inline void CPbk2EmbeddedImageWriter::ConstructL()
       
   182     {
       
   183     CPbk2ImageWriterBase::ConstructL();
       
   184     }
       
   185 
       
   186 // --------------------------------------------------------------------------
       
   187 // CPbk2EmbeddedImageWriter::NewLC
       
   188 // --------------------------------------------------------------------------
       
   189 //
       
   190 CPbk2EmbeddedImageWriter* CPbk2EmbeddedImageWriter::NewLC
       
   191         (CVPbkContactManager& aContactManager,
       
   192         MVPbkStoreContactField& aField, 
       
   193         MPbk2ImageSetObserver& aObserver)
       
   194     {
       
   195     CPbk2EmbeddedImageWriter* self = 
       
   196         new(ELeave) CPbk2EmbeddedImageWriter(
       
   197             aContactManager, aField, aObserver );
       
   198     CleanupStack::PushL(self);
       
   199     self->ConstructL();
       
   200     return self;
       
   201     }
       
   202 
       
   203 // --------------------------------------------------------------------------
       
   204 // CPbk2EmbeddedImageWriter::~CPbk2EmbeddedImageWriter
       
   205 // --------------------------------------------------------------------------
       
   206 //
       
   207 CPbk2EmbeddedImageWriter::~CPbk2EmbeddedImageWriter()
       
   208     {
       
   209     delete iBitmapBlob;
       
   210     }
       
   211 
       
   212 // --------------------------------------------------------------------------
       
   213 // CPbk2EmbeddedImageWriter::CreateImageWriterL
       
   214 // --------------------------------------------------------------------------
       
   215 //
       
   216 CImageEncoder* CPbk2EmbeddedImageWriter::CreateImageWriterL()
       
   217     {
       
   218     __ASSERT_DEBUG(!iBitmapBlob, 
       
   219         Panic(EPanicWritePreCond_CreateImageWriterL));
       
   220 
       
   221     return CImageEncoder::DataNewL
       
   222         (iBitmapBlob, CImageEncoder::EOptionNone, KImageTypeJPGUid);
       
   223     }
       
   224 
       
   225 // --------------------------------------------------------------------------
       
   226 // CPbk2EmbeddedImageWriter::StoreImageL
       
   227 // --------------------------------------------------------------------------
       
   228 //
       
   229 void CPbk2EmbeddedImageWriter::StoreImageL(const MPbk2ImageData& aImageData)
       
   230     {
       
   231     MVPbkContactFieldBinaryData::Cast(iField.FieldData())
       
   232     	.SetBinaryDataL(aImageData.GetBufferL());
       
   233     }
       
   234 
       
   235 // --------------------------------------------------------------------------
       
   236 // CPbk2EmbeddedImageWriter::StoreImageL
       
   237 // --------------------------------------------------------------------------
       
   238 //    
       
   239 void CPbk2EmbeddedImageWriter::StoreImageL
       
   240         (CImageEncoder& /*aImageWriter*/)
       
   241     {
       
   242     __ASSERT_DEBUG(iBitmapBlob, 
       
   243         Panic(EPanicWritePreCond_StoreImageL_CMdaImageDataWriteUtility));
       
   244     MVPbkContactFieldBinaryData::Cast(iField.FieldData())
       
   245     	.SetBinaryDataL(*iBitmapBlob);    
       
   246     }
       
   247 
       
   248 // --------------------------------------------------------------------------
       
   249 // CPbk2EmbeddedImageWriter::DoCancel
       
   250 // --------------------------------------------------------------------------
       
   251 //
       
   252 void CPbk2EmbeddedImageWriter::DoCancel()
       
   253     {
       
   254     delete iBitmapBlob;
       
   255     iBitmapBlob = NULL;
       
   256 
       
   257     // Let base class do its own canceling
       
   258     CPbk2ImageWriterBase::DoCancel();
       
   259     }
       
   260 
       
   261 // --------------------------------------------------------------------------
       
   262 // CPbk2EmbeddedImageWriter::ImageSize
       
   263 // --------------------------------------------------------------------------
       
   264 //
       
   265 TSize CPbk2EmbeddedImageWriter::ImageSize() const
       
   266     {
       
   267     TBool isCodImage (EFalse);
       
   268     TRAP_IGNORE(isCodImage = IsCodImageL());
       
   269     	
       
   270     if (isCodImage)
       
   271     	{
       
   272 	    return (static_cast<CEikAppUi*>(CCoeEnv::Static()->AppUi()))->
       
   273             ApplicationRect().Size();   
       
   274     	}
       
   275     else 
       
   276     	{
       
   277 	    return KPbk2PersonalImageSize;    	
       
   278     	}
       
   279     }
       
   280 
       
   281 // --------------------------------------------------------------------------
       
   282 // CPbk2EmbeddedImageWriter::IsCodImageL
       
   283 // --------------------------------------------------------------------------
       
   284 //    
       
   285 TBool CPbk2EmbeddedImageWriter::IsCodImageL() const
       
   286 	{
       
   287     // If iField's type is 
       
   288     // 		EVPbkNonVersitCodImage return ETrue otherwise EFalse.
       
   289     
       
   290     const MVPbkFieldTypeList& masterFieldTypeList = 
       
   291     	iContactManager.FieldTypes();
       
   292 	RPbk2LocalizedResourceFile resFile(*CCoeEnv::Static());
       
   293     resFile.OpenLC(KPbk2RomFileDrive, 
       
   294                    KDC_RESOURCE_FILES_DIR,
       
   295                    Pbk2PresentationUtils::PresentationResourceFile());
       
   296     TResourceReader reader;
       
   297     CCoeEnv::Static()->CreateResourceReaderLC(reader, R_CODIMAGE_FIELD_TYPE);
       
   298     const TInt count = reader.ReadInt16();
       
   299     TBool found(EFalse);
       
   300     for (TInt i = 0; i < count && !found; ++i)
       
   301         {
       
   302         TVPbkFieldTypeMapping mapping(reader);
       
   303         const MVPbkFieldType* fieldType = 
       
   304             mapping.FindMatch(masterFieldTypeList);
       
   305         if (!fieldType)
       
   306             {
       
   307             User::Leave(KErrNotFound);
       
   308             }
       
   309         if (IsSameFieldType(*fieldType))
       
   310         	{
       
   311         	found = ETrue;
       
   312         	}
       
   313         }
       
   314     CleanupStack::PopAndDestroy(2); // resFile, CreateResourceReaderLC
       
   315     
       
   316 	return found;	
       
   317 	}
       
   318 
       
   319 // --------------------------------------------------------------------------
       
   320 // CPbk2EmbeddedImageWriter::IsSameFieldType
       
   321 // --------------------------------------------------------------------------
       
   322 //	
       
   323 TBool CPbk2EmbeddedImageWriter::IsSameFieldType(
       
   324         const MVPbkFieldType& aFieldType ) const
       
   325 	{
       
   326     TInt maxMatchPriority(iContactManager.FieldTypes().MaxMatchPriority());
       
   327     for ( TInt matchPriority = 0; 
       
   328     	  matchPriority <= maxMatchPriority; 
       
   329     	  ++matchPriority )
       
   330         {            
       
   331         const MVPbkFieldType* fieldType = 
       
   332             iField.MatchFieldType(matchPriority);
       
   333         if (fieldType && fieldType->IsSame(aFieldType))
       
   334             {
       
   335             return ETrue;
       
   336             }
       
   337         }	
       
   338     return EFalse;
       
   339     }
       
   340 
       
   341 //  End of File