/*

* Copyright (c) 2006 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:  This file contains the implementation of Data Buffer Queue Item.

*

*/

// INCLUDE FILES

#include "SourceQueueItem.h"

#include <mmfcontrollerframework.h>

#include "tracemacros.h"

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

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

// CSourceQueueItem::CSourceQueueItem

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

// might leave.

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

//

CSourceQueueItem::CSourceQueueItem()

: iMessage(NULL)

    {

    }

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

// CSourceQueueItem::~CSourceQueueItem

// Destructor

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

//

CSourceQueueItem::~CSourceQueueItem()

    {

    if(iMessage && !iMessage->IsCompleted())

        {

        iMessage->Complete(KErrCancel);

        delete iMessage;

        }

    }

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

// CSourceQueueItem::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CSourceQueueItem::ConstructL(

                                  TMMFMessage& aMessage )

    {

    iMessage = new(ELeave) TMMFMessage(aMessage);

    // Read buffer attributes here

    TPckgBuf<DataBufferAttributesStruct> dataBufferAttributesStructPckg;

    TInt err = iMessage->ReadData2FromClient(dataBufferAttributesStructPckg);

    if ( err == KErrNone )

        {

        iLastBuffer = dataBufferAttributesStructPckg().iLastBuffer;

        iBufferSeqNum = dataBufferAttributesStructPckg().iBufferSeqNum;

        }

    EMC_TRACE3(_L("CSourceQueueItem::ConstructL LB[%d] err[%d]"), iLastBuffer, err);

    }

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

// CSourceQueueItem::NewL

// Two-phased constructor.

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

//

CSourceQueueItem* CSourceQueueItem::NewL(

                                         TMMFMessage& aMessage )

    {

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

    CleanupStack::PushL(self);

    self->ConstructL(aMessage);

    CleanupStack::Pop(self);

    return self;

    }

void CSourceQueueItem::CompleteMessage(TInt status)

    {

    EMC_TRACE3(_L("CSourceQueueItem::CompleteMessage:BufSeqNum[%d]Status[%d]"), \

            iBufferSeqNum, status);

    if ( iMessage && !iMessage->IsCompleted())

        {

        iMessage->Complete(status);

        }

    delete iMessage;

    iMessage = NULL;

    }

TInt CSourceQueueItem::DataSize()

    {

    TInt val(0);

    if (iMessage)

        val = iMessage->SizeOfData1FromClient();

    return val;

    }

TInt CSourceQueueItem::ReadData(TDes8 &aDes)

    {

    TInt err(KErrNotReady);

    if (iMessage)

        {

        err = iMessage->ReadData1FromClient(aDes);

        }

    return err;

    }

TBool CSourceQueueItem::IsLastBuffer()

    {

    return iLastBuffer;

    }

TUint CSourceQueueItem::GetBufferSequenceNumber()

    {

    return iBufferSeqNum;

    }

// End of file