/*

 * Copyright (c) 2008 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:  Implements concrete state

 *

 */

#ifndef C_USBSTATEHOSTHANDLEDROPPING_H

#define C_USBSTATEHOSTHANDLEDROPPING_H

#include "cusbstatehosthandle.h"

#ifndef STIF

#include "cusbnotifmanager.h"

#else

#include "mockcusbnotifmanager.h"

#endif

class CUsbOtgWatcher;

/**

 *  problem handling class, dropping vbus

 *

 */

NONSHARABLE_CLASS( CUsbStateHostHandleDropping ) : public CUsbStateHostHandle,

MWaitNotifierObserver

// this means only one wait notifier at a time can be shown by this state, might be redesigned

    {

    friend class CtUsbOtgWatcher;

    friend class CUsbOtgWatcher;

public:

    /**

     * Two-phased constructor.

     * @param aWatcher owner

     */

    static CUsbStateHostHandleDropping* NewL(CUsbOtgWatcher& aWatcher);

    /**

     * Destructor.

     */

    virtual ~CUsbStateHostHandleDropping();

private:

    // from MWaitNotifierObserver

    /**

     * Callback when notifier is completed

     * @param aFeedback how notifier completed

     */

    void WaitNotifierCompletedL(TInt aFeedback);

    // From VBus observer

    /**

     * VBus up

     */

    void VBusUpL();

    /**

     * VBus down

     */

    void VBusDownL();

    /**

     * VBus error happen

     */

    void AVBusErrorL();

    // From Host Event notification observer

    /**

     * Device is attached

     * @param aInfo Device event data

     */

    void DeviceAttachedL(TDeviceEventInformation aInfo);

    /**

     * Device is detached

     * @param aInfo Device event data

     */

    void DeviceDetachedL(TDeviceEventInformation aInfo);

    /**

     * Drivers successfully loaded

     * @param aInfo Device event data

     */

    void DriverLoadSuccessL(TDeviceEventInformation aInfo);

    /**

     * Drivers loaded partially

     * @param aInfo Device event data

     */

    void DriverLoadPartialSuccessL(TDeviceEventInformation aInfo);

    /**

     * Drivers loading failed

     * @param aInfo Device event data

     */

    void DriverLoadFailureL(TDeviceEventInformation aInfo);

    // From message notification observer

    /**

     * Message received

     * @param aMessage message id

     */

    void MessageNotificationReceivedL(TInt aMessage);

    /**

     * VBus error happened

     */

    void VBusErrorL();

    //from CUsbState

    /**

     * State id

     * @return state id

     */

    TUsbStateIds Id();

    /**

     * This is called when leaving this state, 

     *

     */

    void JustBeforeLeavingThisStateL();

    /**

     * handles issue

     */

    void DoHandleL();

    /**

     * Default constructor

     * @param aWatcher owner

     */

    CUsbStateHostHandleDropping(CUsbOtgWatcher& aWatcher);

    /**

     * 2nd phase construction

     */

    void ConstructL();

    };

#endif //  C_USBSTATEHOSTDROPPINGHANDLE_H