/* * Copyright (c) 1998-2003 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ #ifndef _IOKIT_IOUSBIUNKNOWN_H #define _IOKIT_IOUSBIUNKNOWN_H #include <IOKit/IOCFPlugIn.h> #include <IOKit/usb/IOUSBLib.h> __BEGIN_DECLS extern void *IOUSBLibFactory(CFAllocatorRef allocator, CFUUIDRef typeID); __END_DECLS class IOUSBIUnknown { public: struct InterfaceMap { IUnknownVTbl *pseudoVTable; IOUSBIUnknown *obj; }; private: IOUSBIUnknown(IOUSBIUnknown &src); // Disable copy constructor void operator =(IOUSBIUnknown &src); IOUSBIUnknown() : refCount(1) { }; protected: static int factoryRefCount; static void factoryAddRef(); static void factoryRelease(); IOUSBIUnknown(void *unknownVTable); virtual ~IOUSBIUnknown(); // Also virtualise destructor static HRESULT genericQueryInterface(void *self, REFIID iid, void **ppv); static UInt32 genericAddRef(void *self); static UInt32 genericRelease(void *self); protected: UInt32 refCount; InterfaceMap iunknown; public: virtual HRESULT queryInterface(REFIID iid, void **ppv) = 0; virtual UInt32 addRef(); virtual UInt32 release(); }; #endif /* !_IOKIT_IOUSBIUNKNOWN_H */