/*

* Copyright (c) 2005-2009 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:

* Interface presented by Usbman down to the concrete Usbman Extension Plugins.

*

*/

/**

 @file

 @publishedPartner

 @released

*/

#ifndef USBMANEXTENSIONPLUGINOBSERVER_H

#define USBMANEXTENSIONPLUGINOBSERVER_H

#include <e32base.h>

#include <d32usbc.h>

class MUsbDeviceNotify;

class MUsbmanExtensionPluginObserver

	{

public:

	/**

	Called by the plugin to get a RDevUsbcClient handle from its owner

	@return RDevUsbcClient handle

	*/

	IMPORT_C RDevUsbcClient& DevUsbcClient();

	/**

	Called by the plugin to register for device/service state changes from its owner

	@param aObserver The observer to register for state changes

	*/

	IMPORT_C void RegisterStateObserverL(MUsbDeviceNotify& aObserver);

private:

	/**

	@see DevUsbcClient.

	*/

	virtual RDevUsbcClient& MuepoDoDevUsbcClient() = 0;

	/**

	@see RegisterStateObserverL.

	*/

	virtual void MuepoDoRegisterStateObserverL(MUsbDeviceNotify& aObserver) = 0;

	};

#endif // USBMANEXTENSIONPLUGINOBSERVER_H