/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*       Provides Phonebook Image manager methods.

*

*/

// INCLUDE FILES

#include "CPbkImageManager.h"  // This class

#include "MPbkThumbnailOperationObservers.h"

#include "MPbkImageOperationObservers.h"

#include "CPbkThumbnailManagerImpl.h"

#include "TPbkImageLoadParameters.h"

#include "CPbkObserverAdapter.h"

#include <CPbkContactEngine.h>

#include <CPbkContactItem.h>

#include <TPbkContactItemField.h>

/// Unnamed namespace for local definitions

namespace {

    // LOCAL CONSTANTS AND MACROS

    enum TPbkImageManagerPanic

        {

        // Panic code if CPbkImageManager initialization parameters 

        // are not valid

        EPbkImageManagerInvalidArgument = 1

        };

    static void Panic(TPbkImageManagerPanic aReason)

        {

        _LIT(KPanicText, "CPbkImageManager");

        User::Panic(KPanicText, aReason);

        }

} // namespace

// ================= MEMBER FUNCTIONS =======================

CPbkImageManager::CPbkImageManager(CPbkContactEngine& aEngine) :

    iEngine(aEngine)

    {

    }

inline void CPbkImageManager::ConstructL()

    {

    iPbkObserverAdapter = CPbkObserverAdapter::NewL();

    }

EXPORT_C CPbkImageManager* CPbkImageManager::NewL(CPbkContactEngine& aEngine)

    {

    CPbkImageManager* self = new(ELeave) CPbkImageManager(aEngine);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self); 

    return self;

    }

CPbkImageManager::~CPbkImageManager()

    {

    delete iPbkObserverAdapter;

    }

EXPORT_C MPbkImageOperation* CPbkImageManager::GetImageAsyncL(

        TPbkFieldId aFieldId,

        MPbkImageGetObserver& aObserver, 

        const CPbkContactItem& aContactItem)

    {

    __ASSERT_ALWAYS(aFieldId == EPbkFieldIdCodImageID ||

        aFieldId == EPbkFieldIdThumbnailImage, 

        Panic(EPbkImageManagerInvalidArgument));

    iPbkObserverAdapter->SetPbkImageGetObserver(aObserver);    

    MPbkThumbnailReader* reader = PbkThumbnailOperationFactory::CreateReaderLC

        (aContactItem, iPbkObserverAdapter->PbkThumbnailGetObserver(), aFieldId);

    if (reader)

        {

        reader->StartReadL();

        CleanupStack::Pop();  // reader

        }

    return reader;

    }

EXPORT_C MPbkImageOperation* CPbkImageManager::GetImageAsyncL(

        TPbkFieldId aFieldId,

        MPbkImageGetObserver& aObserver, 

        const CPbkContactItem& aContactItem,

        TPbkImageLoadParameters& aParams)

    {

    __ASSERT_ALWAYS(aFieldId == EPbkFieldIdCodImageID ||

        aFieldId == EPbkFieldIdThumbnailImage,

        Panic(EPbkImageManagerInvalidArgument));

    iPbkObserverAdapter->SetPbkImageGetObserver(aObserver);

    MPbkThumbnailReader* reader = PbkThumbnailOperationFactory::CreateReaderLC(

        aContactItem, iPbkObserverAdapter->PbkThumbnailGetObserver(),aFieldId);

    if (reader)

        {

        TSize KNullSize(0,0);

        if (aParams.iSize == KNullSize)

            {

            // Parameters are at defaults, don't pass them

            reader->StartReadL();

            }

        else

            {

            // Frame number parameter has no meaning here.

            aParams.iFrameNumber = 0; 

            reader->StartReadL(&aParams);

            }

        CleanupStack::Pop();  // reader

        }

    return reader;

    }

EXPORT_C MPbkImageOperation* CPbkImageManager::GetImageAsyncL(

        TPbkFieldId aFieldId,

        MPbkImageGetImageObserver& aObserver, 

        const CPbkContactItem& aContactItem)

    {

    __ASSERT_ALWAYS(aFieldId == EPbkFieldIdCodImageID ||

        aFieldId == EPbkFieldIdThumbnailImage,

        Panic(EPbkImageManagerInvalidArgument));

    iPbkObserverAdapter->SetPbkImageGetImageObserver(aObserver);

    MPbkThumbnailReader* reader = PbkThumbnailOperationFactory::

        CreateImageReaderLC(aContactItem, 

            iPbkObserverAdapter->PbkThumbnailGetImageObserver(), aFieldId);

    if (reader)

        {

        reader->StartReadL();

        CleanupStack::Pop();  // reader

        }

    return reader;

    }

EXPORT_C MPbkImageOperation* CPbkImageManager::SetImageAsyncL(

        TPbkFieldId aFieldId,

        MPbkImageSetObserver& aObserver, 

        CPbkContactItem& aContactItem, 

        const CFbsBitmap& aBitmap)

    {

    __ASSERT_ALWAYS(aFieldId == EPbkFieldIdCodImageID ||

        aFieldId == EPbkFieldIdThumbnailImage, 

        Panic(EPbkImageManagerInvalidArgument));

    iPbkObserverAdapter->SetPbkImageSetObserver(aObserver);

    MPbkThumbnailWriter* writer = PbkThumbnailOperationFactory::CreateWriterLC(

        aContactItem, iEngine.FieldsInfo(), 

        iPbkObserverAdapter->PbkThumbnailSetObserver(), aFieldId);

    writer->StartWriteL(aBitmap);

    CleanupStack::Pop();  // writer

    return writer;

    }

EXPORT_C MPbkImageOperation* CPbkImageManager::SetImageAsyncL(

        TPbkFieldId aFieldId,

        MPbkImageSetObserver& aObserver, 

        CPbkContactItem& aContactItem, 

        const TDesC8& aImageBuffer)

    {

    __ASSERT_ALWAYS(aFieldId == EPbkFieldIdCodImageID ||

        aFieldId == EPbkFieldIdThumbnailImage, 

        Panic(EPbkImageManagerInvalidArgument));

    iPbkObserverAdapter->SetPbkImageSetObserver(aObserver);

    MPbkThumbnailWriter* writer = PbkThumbnailOperationFactory::CreateWriterLC(

        aContactItem, iEngine.FieldsInfo(), 

        iPbkObserverAdapter->PbkThumbnailSetObserver(), aFieldId);

    writer->StartWriteL(aImageBuffer);

    CleanupStack::Pop();  // writer

    return writer;

    }

EXPORT_C MPbkImageOperation* CPbkImageManager::SetImageAsyncL(

        TPbkFieldId aFieldId,

        MPbkImageSetObserver& aObserver, 

        CPbkContactItem& aContactItem, 

        const TDesC& aFileName)

    {

    __ASSERT_ALWAYS(aFieldId == EPbkFieldIdCodImageID ||

        aFieldId == EPbkFieldIdThumbnailImage, 

        Panic(EPbkImageManagerInvalidArgument));

    iPbkObserverAdapter->SetPbkImageSetObserver(aObserver);

    MPbkThumbnailWriter* writer = PbkThumbnailOperationFactory::CreateWriterLC(

        aContactItem, iEngine.FieldsInfo(), 

        iPbkObserverAdapter->PbkThumbnailSetObserver(), aFieldId);

    writer->StartWriteL(aFileName);

    CleanupStack::Pop();  // writer

    return writer;

    }

EXPORT_C TBool CPbkImageManager::HasImage(

        TPbkFieldId aFieldId,

        const CPbkContactItem& aContactItem) const

    {

    __ASSERT_ALWAYS(aFieldId == EPbkFieldIdCodImageID ||

        aFieldId == EPbkFieldIdThumbnailImage, 

        Panic(EPbkImageManagerInvalidArgument));

    const TPbkContactItemField* field = aContactItem.FindField(aFieldId);

    return (field && !field->IsEmptyOrAllSpaces());

    }

EXPORT_C void CPbkImageManager::RemoveImage(

        TPbkFieldId aFieldId,

        CPbkContactItem& aContactItem)

    {

    __ASSERT_ALWAYS(aFieldId == EPbkFieldIdCodImageID ||

        aFieldId == EPbkFieldIdThumbnailImage, 

        Panic(EPbkImageManagerInvalidArgument));

    TPbkContactItemField* field = aContactItem.FindField(aFieldId);

    if (field)

        {

        aContactItem.RemoveField(aContactItem.FindFieldIndex(*field));

        }

    }

//  End of File