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/*
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* Copyright (c) 2010 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:
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*
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*/
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#ifndef C_USBVBUSOBSERVER_H
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#define C_USBVBUSOBSERVER_H
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#include <e32base.h>
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#include <StifTestModule.h>
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#include <StifLogger.h>
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#include "tassertbase.h"
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class RUsb;
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class MUsbVBusObserver
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{
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public:
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void virtual VBusDownL() = 0;
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void virtual VBusUpL() = 0;
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};
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/**
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* Class observes VBUS property
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*
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* @lib ?library
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* @since S60 ?S60_version *** for example, S60 v3.0
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*/
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class CUsbVBusObserver : public TAssertBase
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{
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friend class CtUsbOtgWatcher;
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friend class CUsbOtgWatcherTest;
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public:
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enum TState
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{
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EVBusDown = 0,
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EVBusUp = 1
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};
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/**
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* Two-phased constructor.
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* @param ?arg1 ?description
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* @param ?arg2 ?description
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*/
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// ?IMPORT_C
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static CUsbVBusObserver* NewL();
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/**
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* Destructor.
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*/
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virtual ~CUsbVBusObserver();
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/**
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* ?description
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*
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* @since S60 ?S60_version
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* @param ?arg1 ?description
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* @param ?arg2 ?description
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* @return ?description
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*/
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// ?IMPORT_C
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TState VBus() /* const! read comment in impl*/;
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/**
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* ?description
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*
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* @since S60 ?S60_version
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* @param ?arg1 ?description
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* @param ?arg2 ?description
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* @return ?description
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*/
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void SubscribeL(MUsbVBusObserver&);
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void UnsubscribeL(MUsbVBusObserver&);
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void SetRUsb(RUsb* aRUsb);
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void TriggerVBusUpL();
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void TriggerVBusDownL();
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private:
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CUsbVBusObserver();
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void ConstructL();
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private:
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// data
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RUsb* iUsb;
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// The observer reports state changes to own observers
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// Own
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MUsbVBusObserver* iObserver;
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};
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#endif // C_USBVBUSOBSERVER_H
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