/*

* 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:  EP0 Writer 

*

*/

#include "cep0writer.h"

#include "cstatemachine.h"

#include "cusbdevcon.h"

#include "debug.h"

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

// Two-phase construction

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

//

CEP0Writer* CEP0Writer::NewL(CStateMachine& aObserver, RDevUsbcClient& aLdd)

    {

    FLOG( _L( "[USBDEVCON]\tCEP0Writer::NewL" ) );

    CEP0Writer* self = new (ELeave) CEP0Writer(aObserver, aLdd);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;    

    }

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

// Default construction

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

//

CEP0Writer::CEP0Writer(CStateMachine& aObserver, RDevUsbcClient& aLdd) :

                                                            CActive(EPriorityMore),

                                                            iObserver(aObserver),

                                                            iLdd(aLdd)

    {

    CActiveScheduler::Add(this);

    }

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

// Two-phase construction

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

//

void CEP0Writer::ConstructL()

    {

    FLOG( _L( "[USBDEVCON]\tCEP0Writer::ConstructL" ) );

    iBuffer.CreateL(0); // later will be set with needed size

    }

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

// Destruction

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

//

CEP0Writer::~CEP0Writer()

    {

    Cancel(); 

    iBuffer.Close();

    }   

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

// Cancellation

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

//

void CEP0Writer::DoCancel()

    {

    iLdd.WriteCancel(EEndpoint0);

    }

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

// Data has been wrote to EP0 

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

//  

void CEP0Writer::RunL()

    {

    FLOG( _L( "[USBDEVCON]\tCEP0Writer::RunL" ) );

    iObserver.WroteEP0(iStatus);

    }

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

// Standard active object error function.

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

//

TInt CEP0Writer::RunError( TInt /*aError*/ )

    {

    return KErrNone;

    }

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

// Issue request to write data

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

//

void CEP0Writer::Write(const RBuf8& aBuffer, TUint aDataLength)

    {

    FLOG( _L( "[USBDEVCON]\tCEP0Writer::Write" ) );

    if(IsActive())

        {

        return;

        }

    FTRACE(FPrint(

            _L("[USBDEVCON]\tCEP0Writer::Write. aBuffer Length = %d aDataLength = %d" ),aBuffer.Length(), aDataLength));

    iBuffer.Close();

    iBuffer.Create(aBuffer, aDataLength);   

    iLdd.Write(iStatus, EEndpoint0, iBuffer, aDataLength, ETrue);

    SetActive();

    }