/* * * @APPLE_LICENSE_HEADER_START@ * * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. * * 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_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 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_IOHIDIUNKNOWN_H */