usbengines/usbotgwatcher/inc/cusbstatehostahost.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 09:14:30 +0200
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/*
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* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Implementation of the concret state
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 *
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*/
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#ifndef C_USBSTATEHOSTAHOST_H
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#define C_USBSTATEHOSTAHOST_H
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#include "cusbotgwatcher.h"
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#include "cusbstatehostabase.h"
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#ifndef STIF
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#include "cusbtimer.h"
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#else
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#include "mockcusbtimer.h"
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#endif
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/**
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 *  This class implements behaviour in Host state (Drivers loaded, device is in Host role)
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 *
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 */
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NONSHARABLE_CLASS( CUsbStateHostAHost ) : public CUsbStateHostABase
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    {
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public:
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    /**
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     * Two-phased constructor.
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     * @param aWatcher Owner
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     */
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    static CUsbStateHostAHost* NewL(CUsbOtgWatcher* aWatcher);
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    /**
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     * Destructor.
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     */
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    virtual ~CUsbStateHostAHost();
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private:
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    /**
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     * Default construction
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     * @param aWatcher owner
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     */
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    CUsbStateHostAHost(CUsbOtgWatcher* aWatcher);
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    /**
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     * 2nd phase construction
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     */
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    void ConstructL();
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    //from CUsbState
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    /**
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     * State id
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     * @return state id
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     */
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    TUsbStateIds Id();
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    /**
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     * This is called when switched to this state, 
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     * because If all conditions for transition to another state exist, nothing will 
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     * trigger it and transition will not happen. This forces the transition in such cases.
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     *
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     */
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    void JustAdvancedToThisStateL();
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    /**
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     * State machine calls this, state object to perform any initial  
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     * activity, just before leaving this state
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     *
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     */
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    void JustBeforeLeavingThisStateL();
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    // From OTG state observer
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    /**
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     * Became a Host when A
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     */
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    void AHostL();
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    /**
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     * Became a Peripheral when A
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     */
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    void APeripheralL();
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    // From Host Event notification observer
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    /**
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     * Device is detached
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     * @param aInfo Device event data
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     */
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    void DeviceDetachedL(TDeviceEventInformation aInfo);
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    // From message notification observer
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    /**
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     * Connected to hub in wrong level 
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     */
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    void BadHubPositionL();
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private:
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    // data
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    };
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#endif //  C_USBSTATEHOSTAHOST_H