usbmgmt/usbmgr/usbman/extensionplugin/public/MUsbManExtensionPluginObserver.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 04 Oct 2010 03:06:48 +0300
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/*
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* Copyright (c) 2005-2009 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:
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* Interface presented by Usbman down to the concrete Usbman Extension Plugins.
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*
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*/
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/**
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 @file
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 @publishedPartner
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 @released
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*/
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#ifndef USBMANEXTENSIONPLUGINOBSERVER_H
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#define USBMANEXTENSIONPLUGINOBSERVER_H
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#include <e32base.h>
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class MUsbDeviceNotify;
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#ifdef SYMBIAN_USB_BATTERYCHARGING_V1_1	
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class MUsbChargingNotify;
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#endif
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class RDevUsbcClient;
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class MUsbmanExtensionPluginObserver
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	{
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public:
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	/**
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	Called by the plugin to get a RDevUsbcClient handle from its owner
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	@return RDevUsbcClient handle
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	*/
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	IMPORT_C RDevUsbcClient& DevUsbcClient();
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	/**
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	Called by the plugin to register for device/service state changes from its owner
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	@param aObserver The observer to register for state changes
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	*/
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	IMPORT_C void RegisterStateObserverL(MUsbDeviceNotify& aObserver);
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#ifdef SYMBIAN_USB_BATTERYCHARGING_V1_1		
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	IMPORT_C void RegisterChargingObserverL(MUsbChargingNotify& aObserver);
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#endif
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private:
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	/**
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	@see DevUsbcClient.
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	*/
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	virtual RDevUsbcClient& MuepoDoDevUsbcClient() = 0;
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	/**
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	@see RegisterStateObserverL.
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	*/
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	virtual void MuepoDoRegisterStateObserverL(MUsbDeviceNotify& aObserver) = 0;
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	/**
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	@see RegisterChargingObserverL.
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	*/
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#ifdef SYMBIAN_USB_BATTERYCHARGING_V1_1	
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	virtual void MuepoDoRegisterChargingObserverL(MUsbChargingNotify& aObserver) = 0;	
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#endif
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	};
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#endif // USBMANEXTENSIONPLUGINOBSERVER_H