/*

* Copyright (c) 2006-2007 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:  Image thumbnail provider plugin

 *

*/

#include <ecom/ecom.h>

#include <implementationproxy.h>

#include "thumbnailimageprovider.h"

#include "thumbnailimagedecoder.h"

#include "thumbnailimagedecoderv2.h"

#include "thumbnailmanageruids.hrh"

#include "thumbnaillog.h"

#include "thumbnailmanagerconstants.h"

#ifndef IMPLEMENTATION_PROXY_ENTRY

typedef TAny* TProxyNewLPtr;

#define IMPLEMENTATION_PROXY_ENTRY(aUid, aFuncPtr) \

{ {aUid}, static_cast<TProxyNewLPtr>(aFuncPtr) }

#endif 

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

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

// CThumbnailImageProvider::NewL()

// Two-phased constructor.

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

//

CThumbnailImageProvider* CThumbnailImageProvider::NewL()

    {

    CThumbnailImageProvider* self = new( ELeave )CThumbnailImageProvider();

    return self;

    }

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

// CThumbnailImageProvider::CThumbnailImageProvider()

// C++ default constructor can NOT contain any code, that might leave.

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

//

CThumbnailImageProvider::CThumbnailImageProvider()

    {

    TN_DEBUG1( "CThumbnailImageProvider::CThumbnailImageProvider()" );

    }

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

// CThumbnailImageProvider::~CThumbnailImageProvider()

// Destructor.

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

//

CThumbnailImageProvider::~CThumbnailImageProvider()

    {

    TN_DEBUG1( "CThumbnailImageProvider::~CThumbnailImageProvider()" );

    delete iImageDecoder;

    iImageDecoder = NULL;

    delete iImageDecoderv2;

    iImageDecoderv2 = NULL;

    REComSession::DestroyedImplementation( iDtor_ID_Key );

    }

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

// CThumbnailImageProvider::GetThumbnailL()

// Provides the thumbnail image

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

//

void CThumbnailImageProvider::GetThumbnailL( RFs& aFs, RFile64& aFile, const

    TDataType& aMimeType, const CThumbnailManager::TThumbnailFlags aFlags,

    const TDisplayMode /*aDisplayMode*/, const CThumbnailManager::TThumbnailQualityPreference aQualityPreference )

    {

    TN_DEBUG1( "CThumbnailImageProvider::GetThumbnailL() start" );

    if ( !iImageDecoder )

        {

        iImageDecoder = new( ELeave )CThumbnailImageDecoder( aFs );

        }

    iMimeType = aMimeType;

    iFlags = aFlags;

    iQualityPreference = aQualityPreference;

	//set default mode displaymode from global constants

    iDisplayMode = KStoreDisplayMode;

    iImageDecoder->CreateL( aFile, *iObserver, iQualityPreference, iMimeType, iTargetSize );

    iOriginalSize = iImageDecoder->OriginalSize();

    iImageDecoder->DecodeL( iDisplayMode, iFlags );

    TN_DEBUG1( "CThumbnailImageProvider::GetThumbnailL() end" );

    }

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

// CThumbnailImageProvider::GetThumbnailL()

// Provides the thumbnail image

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

//

void CThumbnailImageProvider::GetThumbnailL( RFs& aFs, TDesC8* aBuffer, const

    TDataType& aMimeType, const CThumbnailManager::TThumbnailFlags aFlags,

    const TDisplayMode /*aDisplayMode*/, const CThumbnailManager::TThumbnailQualityPreference aQualityPreference )

    {

    TN_DEBUG1( "CThumbnailImageProvider::GetThumbnailL() start" );

    if ( !iImageDecoder )

        {

        iImageDecoder = new( ELeave )CThumbnailImageDecoder( aFs );

        }

    iMimeType = aMimeType;

    iFlags = aFlags;

    iQualityPreference = aQualityPreference;

	//set default mode displaymode from global constants

    iDisplayMode = KStoreDisplayMode;

    iImageDecoder->CreateL( aBuffer, *iObserver, iQualityPreference, iMimeType, iTargetSize );

    iOriginalSize = iImageDecoder->OriginalSize();

    iImageDecoder->DecodeL( iDisplayMode, iFlags );

    TN_DEBUG1( "CThumbnailImageProvider::GetThumbnailL() end" );

    }

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

// CThumbnailImageProvider::GetThumbnailL()

// Provides the thumbnail image

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

//

void CThumbnailImageProvider::GetThumbnailL( RFs& aFs, TDesC8& aBuffer)

    {

    TN_DEBUG1( "CThumbnailImageProvider::GetThumbnailL() start" );

    if ( !iImageDecoderv2 )

        {     

        iImageDecoderv2 = new( ELeave )CThumbnailImageDecoderv2( aFs);

        }

    iImageDecoderv2->CreateL(aBuffer, *iObserver);

    iImageDecoderv2->DecodeL();

    TN_DEBUG1( "CThumbnailImageProvider::GetThumbnailL() end" );

    }

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

// Cancel thumbnail request

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

//

void CThumbnailImageProvider::CancelGetThumbnail()

    {

    if ( iImageDecoder )

        {

        iImageDecoder->Cancel();

        }

    if ( iImageDecoderv2)

        {

        iImageDecoderv2->Cancel();

        }     

    }

// ======== GLOBAL FUNCTIONS ========

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

// ImplementationTable

// Define the interface UIDs

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

//

const TImplementationProxy ImplementationTable[] = 

    {

    IMPLEMENTATION_PROXY_ENTRY( THUMBNAIL_IMAGE_PROVIDER_IMP_UID,

        CThumbnailImageProvider::NewL )

};

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

// ImplementationGroupProxy

// The one and only exported function that is the ECom entry point

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

//

EXPORT_C const TImplementationProxy* ImplementationGroupProxy( TInt&

    aTableCount )

    {

    aTableCount = sizeof( ImplementationTable ) / sizeof( TImplementationProxy );

    return ImplementationTable;

    }

//End of file