usbengines/usbotgwatcher/inc/cusbstatehostahost.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 15 Mar 2010 12:44:42 +0200
branchRCL_3
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permissions -rw-r--r--
Revision: 201009 Kit: 201010
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/*
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 * Copyright (c) 2008 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 "cusbstatehostabase.h"
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class CUsbOtgWatcher;
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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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    virtual 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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    virtual void JustBeforeLeavingThisStateL();
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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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    virtual 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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    virtual void BadHubPositionL();
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private:
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    // data
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    };
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#endif //  C_USBSTATEHOSTAHOST_H