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#include "IOHITabletPointer.h" 25 26OSDefineMetaClassAndStructors(IOHITabletPointer, IOHIDevice) 27 28UInt16 IOHITabletPointer::generateDeviceID() 29{ 30 static UInt16 _nextDeviceID = 0; 31 return _nextDeviceID++; 32} 33 34bool IOHITabletPointer::init( OSDictionary *propTable ) 35{ 36 if (!IOHIDevice::init(propTable)) { 37 return false; 38 } 39 40 _deviceID = generateDeviceID(); 41 setProperty(kIOHITabletPointerDeviceID, (unsigned long long)_deviceID, 16); 42 43 return true; 44} 45 46bool IOHITabletPointer::attach( IOService * provider ) 47{ 48 if (!IOHIDevice::attach(provider)) { 49 return false; 50 } 51 52 _tablet = OSDynamicCast(IOHITablet, provider); 53 54 return true; 55} 56 57void IOHITabletPointer::dispatchTabletEvent(NXEventData *tabletEvent, 58 AbsoluteTime ts) 59{ 60 if (_tablet) { 61 _tablet->dispatchTabletEvent(tabletEvent, ts); 62 } 63} 64 65void IOHITabletPointer::dispatchProximityEvent(NXEventData *proximityEvent, 66 AbsoluteTime ts) 67{ 68 if (_tablet) { 69 _tablet->dispatchProximityEvent(proximityEvent, ts); 70 } 71} 72