1/* 2 * 3 * @APPLE_LICENSE_HEADER_START@ 4 * 5 * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. 6 * 7 * This file contains Original Code and/or Modifications of Original Code 8 * as defined in and that are subject to the Apple Public Source License 9 * Version 2.0 (the 'License'). You may not use this file except in 10 * compliance with the License. Please obtain a copy of the License at 11 * http://www.opensource.apple.com/apsl/ and read it before using this 12 * file. 13 * 14 * The Original Code and all software distributed under the License are 15 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 16 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 17 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 19 * Please see the License for the specific language governing rights and 20 * limitations under the License. 21 * 22 * @APPLE_LICENSE_HEADER_END@ 23 */ 24 25#ifndef _IOKIT_HID_IOHIDEVENTSYSTEM_H 26#define _IOKIT_HID_IOHIDEVENTSYSTEM_H 27 28#include <IOKit/IOMessage.h> 29#include <IOKit/IOWorkLoop.h> 30#include <IOKit/IOCommandGate.h> 31#include <IOKit/IOTimerEventSource.h> 32#include "IOHIDEventService.h" 33#include "IOHIDEventTypes.h" 34 35class IOHIDEventSystem: public IOService 36{ 37 OSDeclareAbstractStructors( IOHIDEventSystem ) 38 39 IOWorkLoop * _workLoop; 40 IOCommandGate * _commandGate; 41 42 IONotifier * _publishNotify; 43 IONotifier * _terminateNotify; 44 OSArray * _eventServiceInfoArray; 45 46 bool _eventsOpen; 47 48 struct ExpansionData { 49 }; 50 /*! @var reserved 51 Reserved for future use. (Internal use only) */ 52 ExpansionData * _reserved; 53 54 bool notificationHandler( 55 void * refCon, 56 IOService * service ); 57 58 void handleHIDEvent( 59 void * refCon, 60 AbsoluteTime timeStamp, 61 UInt32 eventCount, 62 IOHIDEvent * events, 63 IOOptionBits options); 64 65 66 // Gated Methods 67 void handleServicePublicationGated(IOService * service); 68 69 void handleServiceTerminationGated(IOService * service); 70 71 void handleHIDEventGated(void * args); 72 73 void registerEventSource(IOHIDEventService * service); 74 75public: 76 virtual bool init(OSDictionary * properties = 0); 77 virtual bool start(IOService * provider); 78 virtual void free(); 79 virtual IOReturn message(UInt32 type, IOService * provider, void * argument); 80 virtual IOReturn setProperties( OSObject * properties ); 81 82}; 83 84#endif /* _IOKIT_HID_IOHIDEVENTSYSTEM_H */