/*

* Copyright (c) 2008-2009 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:    Implementation of GlxtnImageDecoderFactory

*

*/

#include "glxtnimagedecoderfactory.h"

#include <glxtracer.h>

#include <IclExtJpegApi.h>  // For CExtJpegDecoder

// ---------------------------------------------------------------------------

// NewL

// ---------------------------------------------------------------------------

//

CImageDecoder* GlxtnImageDecoderFactory::NewL( RFs& aFs,

                                                const TDesC& aFilename )

    {

    TRACER("CImageDecoder* GlxtnImageDecoderFactory::NewL()");

    CImageDecoder* decoder = NULL;

    TBool aIsExtDecoderUsed = EFalse;

    decoder = GlxtnImageDecoderFactory::NewL(aFs, aFilename, aIsExtDecoderUsed);

    return decoder;

    }

// ---------------------------------------------------------------------------

// NewL

// ---------------------------------------------------------------------------

//

CImageDecoder* GlxtnImageDecoderFactory::NewL( RFs& aFs,

                                                const TDesC& aFilename, TBool& aIsExtDecoderUsed )

    {

    TRACER("CImageDecoder* GlxtnImageDecoderFactory::NewL()");

    CImageDecoder* decoder = NULL;

    aIsExtDecoderUsed = ETrue; //setting decoder type to CExtJpegDecoder

    // Use extended JPEG decoder

    TRAPD( err, decoder = CExtJpegDecoder::FileNewL(

                CExtJpegDecoder::EHwImplementation, aFs, aFilename, CImageDecoder::EOptionNone ) );

    if ( KErrNone != err )

        {

        TRAP(err,decoder = CExtJpegDecoder::FileNewL(

                CExtJpegDecoder::ESwImplementation, aFs, aFilename, CImageDecoder::EOptionNone ) );

        if ( KErrNone != err )

            {

            // Not a JPEG - use standard decoder

            decoder = CImageDecoder::FileNewL( aFs, aFilename, CImageDecoder::EOptionNone );

            aIsExtDecoderUsed = EFalse;

            }

        }

    return decoder;

    }

// ---------------------------------------------------------------------------

// NewL

// ---------------------------------------------------------------------------

//

CImageDecoder* GlxtnImageDecoderFactory::NewL( RFs& aFs, const TDesC8& aData )

    {

    TRACER("CImageDecoder* GlxtnImageDecoderFactory::NewL()");

    CImageDecoder* decoder = NULL;

    TRAPD( err, decoder = CExtJpegDecoder::DataNewL(

                        CExtJpegDecoder::EHwImplementation, aFs, aData ) );

    if ( KErrNone != err )

        {

        TRAP(err, decoder = CExtJpegDecoder::DataNewL(

                        CExtJpegDecoder::ESwImplementation, aFs, aData ) );

        if ( KErrNone != err )

            {

            // Not a JPEG - use standard decoder

            decoder = CImageDecoder::DataNewL( aFs, aData, CImageDecoder::EOptionNone );

            }

        }

    return decoder;

    }