diff -r 000000000000 -r c9bc50fca66e usbmgmt/usbmgr/device/classcontroller/public/CUsbClassControllerBase.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbmgmt/usbmgr/device/classcontroller/public/CUsbClassControllerBase.h	Tue Feb 02 02:02:59 2010 +0200
@@ -0,0 +1,139 @@
+/*
+* Copyright (c) 1997-2009 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:
+* Implements part of UsbMan USB Class Framework.
+* All USB classes to be managed by UsbMan must derive
+* from this class.
+*
+*/
+
+/**
+ @file
+*/
+
+#ifndef __CUSBCLASSCONTROLLERBASE_H__
+#define __CUSBCLASSCONTROLLERBASE_H__
+
+#include <e32base.h>
+#include <usbstates.h>
+
+class MUsbClassControllerNotify;
+class TUsbDescriptor;
+
+class CUsbClassControllerBase : public CActive
+/** Base class for Class Controllers.
+
+  @publishedPartner
+  @released 
+ */
+	{
+public:
+	/** Owner
+		@return The owner of the class controller.
+		*/
+	IMPORT_C MUsbClassControllerNotify& Owner() const;
+
+	/** State
+		@return The service state.
+		*/
+	IMPORT_C TUsbServiceState State() const;
+
+	/** StartupPriority
+		@return The relative priority of this class controller.
+		*/
+	IMPORT_C TInt StartupPriority() const;
+
+	/** Compare
+		Static function to compare two class controllers on the basis of their 
+		startup priorities.
+		@param aFirst First class controller.
+		@param aSecond Second class controller.
+		@return Result of comparison of two class controllers.
+		*/
+	IMPORT_C static TInt Compare(const CUsbClassControllerBase&  aFirst, 
+		const CUsbClassControllerBase& aSecond);
+		
+public: // Functions derived from CActive to be implemented by derived classes.
+	/** RunL
+		Framework function. Class controllers are Active Objects, and may if 
+		relevant use that to register interfaces asynchronously.
+		*/
+	virtual void RunL() = 0;
+	
+	/** DoCancel
+		Framework function. 
+		*/
+	virtual void DoCancel() = 0;
+	
+	/** RunError
+		@param aError The error with which RunL left.
+		@return Error. 
+		*/
+	virtual TInt RunError(TInt aError) = 0;
+
+public:
+	/** Destructor
+	*/
+	IMPORT_C virtual ~CUsbClassControllerBase();
+
+public:
+	/** Start
+		Called by the server to get this class controller to register its 
+		interfaces.
+		@param aStatus TRequestStatus to signal completion of the request.
+		*/
+	virtual void Start(TRequestStatus& aStatus) = 0;
+
+	/** Stop
+		Called by the server to get this class controller to deregister its 
+		interfaces.
+		@param aStatus TRequestStatus to signal completion of the request.
+		*/
+	virtual void Stop(TRequestStatus& aStatus) = 0;
+
+	/** GetDescriptorInfo
+		Returns information on the class controller's descriptors.
+		@param aDescriptorInfo Structure to return information in.
+		*/
+	virtual void GetDescriptorInfo(TUsbDescriptor& aDescriptorInfo) const = 0;
+
+protected:
+	/** Constructor
+		@param aOwner Owner.
+		@param aStartupPriority Relative startup priority of this class controller.
+		*/
+	IMPORT_C CUsbClassControllerBase(MUsbClassControllerNotify& aOwner, TInt aStartupPriority);
+
+protected:
+	/**
+		The relative priority of this class controller. The class controllers 
+		are sorted using their priorities to determine what order to start 
+		them in. 
+		*/
+	const TInt iStartupPriority;
+
+	/**
+		The current service state. This must be kept up-to-date depending on 
+		whether this class controller's interfaces are registered or not.
+		*/
+	TUsbServiceState iState;
+
+	/**
+		Owner.
+		*/
+	MUsbClassControllerNotify& iOwner;
+	};
+
+#endif //__CUSBCLASSCONTROLLERBASE_H__
+