/*

* Copyright (c) 2005 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 "musuibitmapdecoder.h"

#include "musuibitmapdecoderobserver.h"

#include "muslogger.h" // debug logging

#include <imageconversion.h>

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

//

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

//

CMusUiBitmapDecoder::~CMusUiBitmapDecoder()

    {

    MUS_LOG( "mus: [MUSUI ]  -> CMusUiBitmapDecoder::~CMusUiBitmapDecoder" );

    Cancel();

    iFs.Close();

    delete iData;

    delete iDecoder;

    MUS_LOG( "mus: [MUSUI ]  <- CMusUiBitmapDecoder::~CMusUiBitmapDecoder" );

    }

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

// Symbian two-phase constructor.

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

//

CMusUiBitmapDecoder* CMusUiBitmapDecoder::NewL(

                        MMusUiBitmapDecoderObserver& aObserver )

    {

    CMusUiBitmapDecoder* self = new (ELeave) CMusUiBitmapDecoder( aObserver );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

//

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

//

CMusUiBitmapDecoder::CMusUiBitmapDecoder(

                        MMusUiBitmapDecoderObserver& aObserver ) :

    CActive( EPriorityNormal ),

    iObserver( aObserver )

    {

    // nothing

    }

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

// Symbian second-phase constructor.

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

//

void CMusUiBitmapDecoder::ConstructL()

    {

    MUS_LOG( "mus: [MUSUI ]  -> CMusUiBitmapDecoder::ConstructL" );

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

    //delete iData;

    iData = NULL;

    //delete iDecoder;

    iDecoder = NULL;

    CActiveScheduler::Add( this );

    MUS_LOG( "mus: [MUSUI ]  <- CMusUiBitmapDecoder::ConstructL" );

    }

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

//

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

//

void CMusUiBitmapDecoder::ConvertL( HBufC8* aData, CFbsBitmap* aBitmap )

    {

    MUS_LOG( "mus: [MUSUI ]  -> CMusUiBitmapDecoder::ConvertL" );

    if ( IsActive() )

        {

        Cancel();

        }

    iData = aData->AllocL();

    iBitmap = aBitmap;

    delete iDecoder;

    iDecoder = NULL;

    iDecoder = CImageDecoder::DataNewL( iFs, *iData );

    iBitmap->Create( iDecoder->FrameInfo().iFrameCoordsInPixels.Size(),

                     iDecoder->FrameInfo().iFrameDisplayMode );

    iDecoder->Convert( &iStatus, *iBitmap, 0 );

    SetActive();

    MUS_LOG( "mus: [MUSUI ]  <- CMusUiBitmapDecoder::ConvertL" );

    }

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

//

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

//

void CMusUiBitmapDecoder::DoCancel()

    {

    MUS_LOG( "mus: [MUSUI ]  -> CMusUiBitmapDecoder::DoCancel" );

    iDecoder->Cancel();

    Cancel();

    MUS_LOG( "mus: [MUSUI ]  <- CMusUiBitmapDecoder::DoCancel" );

    }

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

//

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

//

void CMusUiBitmapDecoder::RunL()

    {

    MUS_LOG( "mus: [MUSUI ]  -> CMusUiBitmapDecoder::RunL" );

    if (iStatus == KErrNone)

        {

        iObserver.UpdateBitmap( iBitmap );

        }

    else

        {

        MUS_LOG1( "mus: [MUSUI ]        CMusUiBitmapDecoder::RunL: iStatus: [%d]",

                                iStatus.Int() );

        User::Leave( iStatus.Int() );

        }

    MUS_LOG( "mus: [MUSUI ]  <- CMusUiBitmapDecoder::RunL" );

    }

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

//  If RunL() leaves,It should be handled here.

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

//

TInt CMusUiBitmapDecoder::RunError( TInt aError )

    {

	MUS_LOG( "mus: [MUSUI ]  -> CMusUiBitmapDecoder::RunError" );

    // Nothing can be done here.

    aError = KErrNone;

    MUS_LOG( "mus: [MUSUI ]  <- CMusUiBitmapDecoder::RunError" );

    return aError;

    }

// end of file