phonebookui/Phonebook/View/src/CPbkImageManager.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 25 May 2010 12:26:45 +0300
branchRCL_3
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parent 0 e686773b3f54
permissions -rw-r--r--
Revision: 201019 Kit: 2010121
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/*
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* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*       Provides Phonebook Image manager methods.
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*
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*/
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// INCLUDE FILES
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#include "CPbkImageManager.h"  // This class
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#include "MPbkThumbnailOperationObservers.h"
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#include "MPbkImageOperationObservers.h"
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#include "CPbkThumbnailManagerImpl.h"
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#include "TPbkImageLoadParameters.h"
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#include "CPbkObserverAdapter.h"
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#include <CPbkContactEngine.h>
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#include <CPbkContactItem.h>
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#include <TPbkContactItemField.h>
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/// Unnamed namespace for local definitions
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namespace {
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    // LOCAL CONSTANTS AND MACROS
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    enum TPbkImageManagerPanic
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        {
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        // Panic code if CPbkImageManager initialization parameters 
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        // are not valid
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        EPbkImageManagerInvalidArgument = 1
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        };
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    static void Panic(TPbkImageManagerPanic aReason)
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        {
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        _LIT(KPanicText, "CPbkImageManager");
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        User::Panic(KPanicText, aReason);
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        }
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} // namespace
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// ================= MEMBER FUNCTIONS =======================
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CPbkImageManager::CPbkImageManager(CPbkContactEngine& aEngine) :
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    iEngine(aEngine)
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    {
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    }
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inline void CPbkImageManager::ConstructL()
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    {
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    iPbkObserverAdapter = CPbkObserverAdapter::NewL();
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    }
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EXPORT_C CPbkImageManager* CPbkImageManager::NewL(CPbkContactEngine& aEngine)
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    {
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    CPbkImageManager* self = new(ELeave) CPbkImageManager(aEngine);
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    CleanupStack::Pop(self); 
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    return self;
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    }
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CPbkImageManager::~CPbkImageManager()
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    {
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    delete iPbkObserverAdapter;
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    }
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EXPORT_C MPbkImageOperation* CPbkImageManager::GetImageAsyncL(
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        TPbkFieldId aFieldId,
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        MPbkImageGetObserver& aObserver, 
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        const CPbkContactItem& aContactItem)
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    {
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    __ASSERT_ALWAYS(aFieldId == EPbkFieldIdCodImageID ||
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        aFieldId == EPbkFieldIdThumbnailImage, 
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        Panic(EPbkImageManagerInvalidArgument));
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    iPbkObserverAdapter->SetPbkImageGetObserver(aObserver);    
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    MPbkThumbnailReader* reader = PbkThumbnailOperationFactory::CreateReaderLC
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        (aContactItem, iPbkObserverAdapter->PbkThumbnailGetObserver(), aFieldId);
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    if (reader)
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        {
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        reader->StartReadL();
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        CleanupStack::Pop();  // reader
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        }
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    return reader;
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    }
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EXPORT_C MPbkImageOperation* CPbkImageManager::GetImageAsyncL(
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        TPbkFieldId aFieldId,
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        MPbkImageGetObserver& aObserver, 
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        const CPbkContactItem& aContactItem,
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        TPbkImageLoadParameters& aParams)
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    {
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    __ASSERT_ALWAYS(aFieldId == EPbkFieldIdCodImageID ||
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        aFieldId == EPbkFieldIdThumbnailImage,
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        Panic(EPbkImageManagerInvalidArgument));
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    iPbkObserverAdapter->SetPbkImageGetObserver(aObserver);
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    MPbkThumbnailReader* reader = PbkThumbnailOperationFactory::CreateReaderLC(
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        aContactItem, iPbkObserverAdapter->PbkThumbnailGetObserver(),aFieldId);
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    if (reader)
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        {
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        TSize KNullSize(0,0);
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        if (aParams.iSize == KNullSize)
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            {
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            // Parameters are at defaults, don't pass them
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            reader->StartReadL();
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            }
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        else
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            {
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            // Frame number parameter has no meaning here.
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            aParams.iFrameNumber = 0; 
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            reader->StartReadL(&aParams);
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            }
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        CleanupStack::Pop();  // reader
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        }
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    return reader;
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    }
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   127
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EXPORT_C MPbkImageOperation* CPbkImageManager::GetImageAsyncL(
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        TPbkFieldId aFieldId,
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        MPbkImageGetImageObserver& aObserver, 
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        const CPbkContactItem& aContactItem)
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    {
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    __ASSERT_ALWAYS(aFieldId == EPbkFieldIdCodImageID ||
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        aFieldId == EPbkFieldIdThumbnailImage,
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        Panic(EPbkImageManagerInvalidArgument));
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   136
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    iPbkObserverAdapter->SetPbkImageGetImageObserver(aObserver);
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    MPbkThumbnailReader* reader = PbkThumbnailOperationFactory::
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        CreateImageReaderLC(aContactItem, 
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            iPbkObserverAdapter->PbkThumbnailGetImageObserver(), aFieldId);
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    if (reader)
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        {
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        reader->StartReadL();
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        CleanupStack::Pop();  // reader
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        }
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   146
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    return reader;
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    }
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   149
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EXPORT_C MPbkImageOperation* CPbkImageManager::SetImageAsyncL(
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        TPbkFieldId aFieldId,
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        MPbkImageSetObserver& aObserver, 
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        CPbkContactItem& aContactItem, 
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        const CFbsBitmap& aBitmap)
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    {
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    __ASSERT_ALWAYS(aFieldId == EPbkFieldIdCodImageID ||
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        aFieldId == EPbkFieldIdThumbnailImage, 
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        Panic(EPbkImageManagerInvalidArgument));
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   159
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    iPbkObserverAdapter->SetPbkImageSetObserver(aObserver);
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   161
    MPbkThumbnailWriter* writer = PbkThumbnailOperationFactory::CreateWriterLC(
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        aContactItem, iEngine.FieldsInfo(), 
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   163
        iPbkObserverAdapter->PbkThumbnailSetObserver(), aFieldId);
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   164
    writer->StartWriteL(aBitmap);
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   165
    CleanupStack::Pop();  // writer
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    return writer;
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   167
    }
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   168
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   169
EXPORT_C MPbkImageOperation* CPbkImageManager::SetImageAsyncL(
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        TPbkFieldId aFieldId,
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   171
        MPbkImageSetObserver& aObserver, 
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   172
        CPbkContactItem& aContactItem, 
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   173
        const TDesC8& aImageBuffer)
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   174
    {
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   175
    __ASSERT_ALWAYS(aFieldId == EPbkFieldIdCodImageID ||
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   176
        aFieldId == EPbkFieldIdThumbnailImage, 
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   177
        Panic(EPbkImageManagerInvalidArgument));
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   178
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   179
    iPbkObserverAdapter->SetPbkImageSetObserver(aObserver);
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   180
    MPbkThumbnailWriter* writer = PbkThumbnailOperationFactory::CreateWriterLC(
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   181
        aContactItem, iEngine.FieldsInfo(), 
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   182
        iPbkObserverAdapter->PbkThumbnailSetObserver(), aFieldId);
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   183
    writer->StartWriteL(aImageBuffer);
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   184
    CleanupStack::Pop();  // writer
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   185
    return writer;
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   186
    }
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   187
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   188
EXPORT_C MPbkImageOperation* CPbkImageManager::SetImageAsyncL(
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   189
        TPbkFieldId aFieldId,
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   190
        MPbkImageSetObserver& aObserver, 
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   191
        CPbkContactItem& aContactItem, 
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   192
        const TDesC& aFileName)
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   193
    {
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   194
    __ASSERT_ALWAYS(aFieldId == EPbkFieldIdCodImageID ||
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   195
        aFieldId == EPbkFieldIdThumbnailImage, 
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   196
        Panic(EPbkImageManagerInvalidArgument));
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   197
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   198
    iPbkObserverAdapter->SetPbkImageSetObserver(aObserver);
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   199
    MPbkThumbnailWriter* writer = PbkThumbnailOperationFactory::CreateWriterLC(
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   200
        aContactItem, iEngine.FieldsInfo(), 
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diff changeset
   201
        iPbkObserverAdapter->PbkThumbnailSetObserver(), aFieldId);
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   202
    writer->StartWriteL(aFileName);
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   203
    CleanupStack::Pop();  // writer
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   204
    return writer;
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   205
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   206
    }
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   207
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   208
EXPORT_C TBool CPbkImageManager::HasImage(
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   209
        TPbkFieldId aFieldId,
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   210
        const CPbkContactItem& aContactItem) const
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   211
    {
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   212
    __ASSERT_ALWAYS(aFieldId == EPbkFieldIdCodImageID ||
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   213
        aFieldId == EPbkFieldIdThumbnailImage, 
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   214
        Panic(EPbkImageManagerInvalidArgument));
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   215
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   216
    const TPbkContactItemField* field = aContactItem.FindField(aFieldId);
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   217
    return (field && !field->IsEmptyOrAllSpaces());
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   218
    }
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   219
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   220
EXPORT_C void CPbkImageManager::RemoveImage(
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   221
        TPbkFieldId aFieldId,
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   222
        CPbkContactItem& aContactItem)
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   223
    {
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    __ASSERT_ALWAYS(aFieldId == EPbkFieldIdCodImageID ||
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        aFieldId == EPbkFieldIdThumbnailImage, 
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        Panic(EPbkImageManagerInvalidArgument));
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    TPbkContactItemField* field = aContactItem.FindField(aFieldId);
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    if (field)
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        {
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        aContactItem.RemoveField(aContactItem.FindFieldIndex(*field));
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        }
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    }
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//  End of File