/* * Copyright (c) 1998-2002 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.2 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This 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 unsigned long genericAddRef(void *self); static unsigned long genericRelease(void *self); protected: unsigned long refCount; InterfaceMap iunknown; public: virtual HRESULT queryInterface(REFIID iid, void **ppv) = 0; virtual unsigned long addRef(); virtual unsigned long release(); }; #endif /* !_IOKIT_IOUSBIUNKNOWN_H */