--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/usbho/t_usbdi/inc/UsbDeviceWatcher.h	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,121 @@
+#ifndef __USB_DEVICE_WATCHER_H__
+#define __USB_DEVICE_WATCHER_H__
+
+/*
+* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:
+* 
+*
+*/
+
+/**
+@file UsbDeviceWatcher.h
+*/
+
+#include <e32base.h>
+
+// Forward declarations
+
+class RUsbHubDriver;
+
+namespace NUnitTesting_USBDI
+	{
+	
+// Forward declarations
+
+class CUsbHostDevice;
+	
+/**
+*/
+class MUsbDeviceObserver
+	{
+public:
+	/**
+	Called when a USB device has been connected to the host
+	@param aError an error code relating to USB device attachment from the Hub driver
+	*/
+	virtual void UsbDeviceAttachedL(TInt aError) = 0;
+	};
+	
+/**
+This class represents a watcher for USB devices inserted into the host
+*/
+class CUsbDeviceWatcher : public CActive
+	{
+public:
+	/**
+	Symbian factory construction
+	@return a pointer to an instance of a Usb device watcher
+	*/
+	static CUsbDeviceWatcher* NewL(RUsbHubDriver& aUsbHubDriver,MUsbDeviceObserver& aUsbDeviceObserver);
+
+	/**
+	Destructor
+	*/
+	~CUsbDeviceWatcher();
+
+	/**
+	*/
+	void StartWatchingL(CUsbHostDevice* aUsbDevice);
+
+private:
+	/**
+	Cancel watching for new USB devices
+	*/
+	void DoCancel();
+	
+	/**
+	
+	*/
+	void RunL();
+	
+	/**
+	@return KErrNone
+	*/
+	TInt RunError(TInt aError);
+
+private:
+	/**
+	Constructor
+	@param aUsbHubDriver the Host USB Hub driver
+	*/
+	CUsbDeviceWatcher(RUsbHubDriver& aUsbHubDriver,MUsbDeviceObserver& aUsbDeviceObserver);
+	
+	/**
+	2nd phase constructor
+	*/
+	void ConstructL();
+	
+private:
+	/**
+	The Usb hub driver (uses-a)
+	*/
+	RUsbHubDriver& iUsbHubDriver;
+	
+	/**
+	The usb device resource (uses-a)
+	*/
+	CUsbHostDevice* iUsbHostDevice;
+	
+	/**
+	The observer for USB device connection
+	*/
+	MUsbDeviceObserver& iUsbDeviceObserver;
+	};
+	
+	
+	}
+
+
+#endif
\ No newline at end of file