/*

* Copyright (c) 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:  Implementation of CMPXImageUtilSync.

*

*/

// INCLUDE FILES

#include <e32std.h>

#include <mpxlog.h>

#include "mpximageutil.h"

#include "mpximageutilsync.h"

// CONSTANTS

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

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

// Two-phased constructor.

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

//

CMPXImageUtilSync* CMPXImageUtilSync::NewL()

    {

    MPX_FUNC("CMPXImageUtil::NewL");

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

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

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

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

//

CMPXImageUtilSync::CMPXImageUtilSync() : 

    CActive( EPriorityStandard )  

    {

    MPX_FUNC( "CMPXImageUtilSync::CMPXImageUtilSync" );

    }

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

// Symbian 2nd phase constructor can leave.

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

//

void CMPXImageUtilSync::ConstructL()

    {

    MPX_FUNC( "CMPXImageUtilSync::ConstructL" );

    CActiveScheduler::Add(this);

    iImageUtil = CMPXImageUtil::NewL();

    iActiveSchedulerWait = new ( ELeave ) CActiveSchedulerWait();

    }

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

// Destructor

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

//

CMPXImageUtilSync::~CMPXImageUtilSync()

    {

    MPX_FUNC( "CMPXImageUtilSync::~CMPXImageUtilSync" );

    delete iImageUtil;

    delete iActiveSchedulerWait;

    }

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

// Decodes an JPG synchronously

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

//

CFbsBitmap* CMPXImageUtilSync::DecodeL(

    const TDesC8& aJPGData,

    TSize aSize,

    TDisplayMode aDisplayMode /* = EColor64K */)

    {

    MPX_FUNC( "CMPXImageUtilSync::DecodeL" );

    iBitmap = new ( ELeave ) CFbsBitmap();

    iImageUtil->Decode( iStatus, aJPGData, *iBitmap, aSize, aDisplayMode );

    SetActive();

    // block waiting for completion

    iActiveSchedulerWait->Start();

    User::LeaveIfError( iError );

    // transfer the ownership

    CFbsBitmap* bmp = iBitmap;

    iBitmap = NULL;

    return bmp;

    }

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

// Decodes an JPG synchronously

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

//

CFbsBitmap* CMPXImageUtilSync::DecodeL(

    const TDesC& aSourceJPGFile, 

    TSize aSize, 

    TDisplayMode aDisplayMode /* = EColor64K */)

    {

    MPX_FUNC( "CMPXImageUtilSync::DecodeL" );

    iBitmap = new ( ELeave ) CFbsBitmap();

    iImageUtil->Decode( iStatus, aSourceJPGFile, *iBitmap, aSize, aDisplayMode );

    SetActive();

    // block waiting for completion

    iActiveSchedulerWait->Start();

    User::LeaveIfError( iError );

    // transfer the ownership

    CFbsBitmap* bmp = iBitmap;

    iBitmap = NULL;

    return bmp;

    }

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

// CMPXImageUtilSync::EncodeL

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

//

HBufC8* CMPXImageUtilSync::EncodeL(

    const CFbsBitmap& aSourceBMP)

    {

    MPX_FUNC( "CMPXImageUtilSync::EncodeL" );

    iImageUtil->Encode( iStatus, aSourceBMP, iData );

    SetActive();

    // block waiting for completion

    iActiveSchedulerWait->Start();

    User::LeaveIfError( iError );

    // transfer the ownership

    HBufC8* dataTmp = iData;

    iData = NULL;

    return dataTmp;

    }

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

// CMPXImageUtilSync::ScaleL

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

//

CFbsBitmap* CMPXImageUtilSync::ScaleL(

    CFbsBitmap& aSourceBMP, 

    TSize aSize, 

    TDisplayMode aDisplayMode /* = EColor64K */)

    {

    MPX_FUNC( "CMPXImageUtilSync::ScaleL" );

    iBitmap = new ( ELeave ) CFbsBitmap();

    iImageUtil->Scale( iStatus, aSourceBMP, *iBitmap, aSize, aDisplayMode );

    SetActive();

    // block waiting for completion

    iActiveSchedulerWait->Start();

    User::LeaveIfError( iError );

    // transfer the ownership

    CFbsBitmap* bmp = iBitmap;

    iBitmap = NULL;

    return bmp;

    }   

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

// CMPXImageUtilSync::DoCancel

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

//

void CMPXImageUtilSync::DoCancel()

    {

    MPX_FUNC( "CMPXImageUtilSync::DoCancel" );

    iImageUtil->CancelRequest();

    }

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

// CMPXImageUtilSync::RunL

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

//

void CMPXImageUtilSync::RunL()

    {

    MPX_FUNC( "CMPXImageUtilSync::RunL" );

    iActiveSchedulerWait->AsyncStop();

    }

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

// CMPXImageUtilSync::RunError

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

//

TInt CMPXImageUtilSync::RunError(

    TInt aError)

    {

    MPX_FUNC( "CMPXImageUtilSync::RunL" );

    iError = aError;

    iActiveSchedulerWait->AsyncStop();

    return KErrNone;

    }

//  End of File