// Copyright (c) 2006-2009 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:

//

/**

 @file

 @internalComponent

*/

#ifndef CMTPUSBEPCONTROL_H

#define CMTPUSBEPCONTROL_H

#include "cmtpusbepbase.h"

class CMTPUsbConnection;

class MMTPType;

/**

Implements the USB MTP device class control endpoint data transfer controller.

@internalComponent

*/

class CMTPUsbEpControl: public CMTPUsbEpBase

    {         

public:

    static CMTPUsbEpControl* NewL(TUint aId, CMTPUsbConnection& aConnection);

    ~CMTPUsbEpControl();

    void ReceiveControlRequestDataL(MMTPType& aData);

    void ReceiveControlRequestSetupL(MMTPType& aData);

    void SendControlRequestDataL(const MMTPType& aData);

    void SendControlRequestStatus();

private: // From CMTPUsbEpBase

    void ReceiveDataCompleteL(TInt aError, MMTPType& aSink);

    void SendDataCompleteL(TInt aError, const MMTPType& aSource);

private: // From CActive

	void DoCancel();

private:

    CMTPUsbEpControl(TUint aId, CMTPUsbConnection& aConnection);

    void SetState(TUint aState);

private: // Owned

    /**

    The control endpoint data send/receive states.

    */

    enum TMTPUsbEpControlState

        {

        EIdle,

        EControlRequestSetupPending,

        EControlRequestSetupComplete,

        EControlRequestDataReceive,

        EControlRequestDataSend,

        EControlRequestStatusSend

        };

    /**

    The control endpoint data send/receive state variable.

    */

    TUint iState;

    };

#endif // CMTPUSBEPCONTROL_H