/* * Copyright (c) 2000 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 1.1 (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 OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ #ifndef _IOKIT_IOHIDIUNKNOWN_H #define _IOKIT_IOHIDIUNKNOWN_H #include <IOKit/IOCFPlugIn.h> __BEGIN_DECLS extern void *IOHIDLibFactory(CFAllocatorRef allocator, CFUUIDRef typeID); __END_DECLS class IOHIDIUnknown { public: struct InterfaceMap { IUnknownVTbl *pseudoVTable; IOHIDIUnknown *obj; }; private: IOHIDIUnknown(IOHIDIUnknown &src); // Disable copy constructor void operator =(IOHIDIUnknown &src); IOHIDIUnknown() : refCount(1) { }; protected: static int factoryRefCount; static void factoryAddRef(); static void factoryRelease(); IOHIDIUnknown(void *unknownVTable); virtual ~IOHIDIUnknown(); // 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_IOHIDIUNKNOWN_H */