usbengines/usbotgwatcher/inc/cusbstatehostahost.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 12 Mar 2010 15:48:40 +0200
branchRCL_3
changeset 20 a15c582fbf97
parent 0 1e05558e2206
child 21 ff9df6630274
permissions -rw-r--r--
Revision: 201007 Kit: 201008

/*
 * Copyright (c) 2008-2009 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:  Implementation of the concret state
 *
 */

#ifndef C_USBSTATEHOSTAHOST_H
#define C_USBSTATEHOSTAHOST_H

#include "cusbstatehostabase.h"

class CUsbOtgWatcher;

/**
 *  This class implements behaviour in Host state (Drivers loaded, device is in Host role)
 *
 */
NONSHARABLE_CLASS( CUsbStateHostAHost ) : public CUsbStateHostABase
    {
public:

    /**
     * Two-phased constructor.
     * @param aWatcher Owner
     */
    static CUsbStateHostAHost* NewL(CUsbOtgWatcher& aWatcher);

    /**
     * Destructor.
     */
    virtual ~CUsbStateHostAHost();

private:

    /**
     * Default construction
     * @param aWatcher owner
     */
    CUsbStateHostAHost(CUsbOtgWatcher& aWatcher);

    /**
     * 2nd phase construction
     */
    void ConstructL();

    //from CUsbState
    /**
     * State id
     * @return state id
     */
    TUsbStateIds Id();

    /**
     * This is called when switched to this state, 
     * because If all conditions for transition to another state exist, nothing will 
     * trigger it and transition will not happen. This forces the transition in such cases.
     *
     */
    virtual void JustAdvancedToThisStateL();

    /**
     * State machine calls this, state object to perform any initial  
     * activity, just before leaving this state
     *
     */
    virtual void JustBeforeLeavingThisStateL();

    // From Host Event notification observer
    /**
     * Device is detached
     * @param aInfo Device event data
     */
    virtual void DeviceDetachedL(TDeviceEventInformation aInfo);

    // From message notification observer
    /**
     * Connected to hub in wrong level 
     */
    virtual void BadHubPositionL();

private:
    // data
    };

#endif //  C_USBSTATEHOSTAHOST_H