// Copyright (c) 2004-2009 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:

//

#include "ExifJpegTransform.h"

#include "icl/ExifJpegTransformExtension.h"

#include "exiftransformdataaccessorimpl.h"

#include "ExifEditUtility.h"

#include <icl/icl_uids.hrh>

#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS

#include <icl/icl_uids_const.hrh>

#include <icl/icl_uids_def.hrh>

#endif

CExifJpegTransform* CExifJpegTransform::NewL()

	{

	CExifJpegTransform* self = new (ELeave) CExifJpegTransform;

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

CExifJpegTransform::~CExifJpegTransform()

	{

	delete iExtension;

	delete iExifEdit;

	//Can not simply delete iDest/iSource since all we have are M-class pointers.

	if (iDest)

		{

		iDest->Destroy();

		iDest = NULL;

		}

	if (iSource)

		{

		iSource->Destroy();

		iSource = NULL;

		}

	iFs.Close();

	}

CExifJpegTransform::CExifJpegTransform()

	{

	}

void CExifJpegTransform::ConstructL()

	{

	User::LeaveIfError(iFs.Connect());

	}

MExifMetadata* CExifJpegTransform::ExifMetadata() const

	{

	if(iExifEdit)

		{

		return iExifEdit->ExifMetadata();	

		}

	return NULL;

	}

void CExifJpegTransform::Transform(TRequestStatus& aStatus)

	{

	TBool encodeThumbnail=EFalse;

	if((Options()&CImageTransform::EThumbnail)==CImageTransform::EThumbnail)

		{

		encodeThumbnail=ETrue;		

		}

	TRAPD(err, iExifEdit->WriteDestL(encodeThumbnail, DestinationSizeInPixels(), PreserveImageData(), MaintainAspectRatio(), &aStatus));

	if(err!=KErrNone)

		{

		aStatus=KRequestPending;

		TRequestStatus* status=&aStatus;

		User::RequestComplete(status, err);

		}

	}

void CExifJpegTransform::OpenL()

	{		

	if (SourceIsFilename())

		{

		iSource = new (ELeave) CExifFileSource(SourceFilename(), iFs);

		}

	else if (SourceIsData())

		{

		iSource = new (ELeave) CExifDescSource(SourceData(), iFs);

		}

	else

		{

		User::Leave(KErrNotSupported);

		}

	if (DestIsFilename())

		{

		iDest = new (ELeave) CExifFileDest(DestFilename(), iFs);

		}

	else if (DestIsData())

		{

		iDest = new (ELeave) CExifDescDest(DestData());

		}

	else

		{

		User::Leave(KErrNotSupported);

		}

	iExifEdit=CExifEditUtility::NewL(iSource, iDest, Options() & CImageTransform::EIgnoreExifMetadataProcessing);	

	iExifEdit->ReadSourceL();

	iExtension=(CImageTransformPluginExtension*)CJpegTransformExtension::NewL(this);	

	}

void CExifJpegTransform::CancelTransform()

	{

	iExifEdit->Cancel();

	}

CImageTransformPluginExtension* CExifJpegTransform::Extension() const

	{

	return iExtension;

	}