// 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 CMTPUSBENDPOINTWATCHER_H

#define CMTPUSBENDPOINTWATCHER_H

class CMTPUsbConnection;

/**

Implements the USB MTP device class endpoint stall status observer.

@internalComponent

*/

class CMTPUsbEpWatcher: public CActive

    {

public:

    static CMTPUsbEpWatcher* NewL(CMTPUsbConnection& aConnection);

    ~CMTPUsbEpWatcher();

    void Start();

    void Stop();

private: // From CActive

    void DoCancel();

    TInt RunError(TInt aError);

    void RunL();

private:

    CMTPUsbEpWatcher(CMTPUsbConnection& aConnection);

    void ConstructL();

    void RequestCancel();

    void RequestIssue();

private: // Owned

    /**

    The endpoint stall status flags.

    */

    TUint               iEndpointStatus;

private: // Not owned

    /**

    The MTP USB device class connection.

    */

    CMTPUsbConnection&  iConnection;

    };