apple_remote/KeyspanFrontRowControl.m

   1 /*****************************************************************************
   2  * KeyspanFrontRowControl.m
   3  * RemoteControlWrapper
   4  *
   5  * Created by Martin Kahr on 11.03.06 under a MIT-style license.
   6  * Copyright (c) 2006 martinkahr.com. All rights reserved.
   7  *
   8  * Code modified and adapted to OpenOffice.org
   9  * by Eric Bachard on 11.08.2008 under the same License
  10  *
  11  * Permission is hereby granted, free of charge, to any person obtaining a
  12  * copy of this software and associated documentation files (the "Software"),
  13  * to deal in the Software without restriction, including without limitation
  14  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  15  * and/or sell copies of the Software, and to permit persons to whom the
  16  * Software is furnished to do so, subject to the following conditions:
  17  *
  18  * The above copyright notice and this permission notice shall be included
  19  * in all copies or substantial portions of the Software.
  20  *
  21  * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  22  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  24  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  25  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  26  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  27  * THE SOFTWARE.
  28  *
  29  *****************************************************************************/
  30
  31 #import "KeyspanFrontRowControl.h"
  32 #import <mach/mach.h>
  33 #import <mach/mach_error.h>
  34 #import <IOKit/IOKitLib.h>
  35 #import <IOKit/IOCFPlugIn.h>
  36 #import <IOKit/hid/IOHIDKeys.h>
  37
  38 @implementation KeyspanFrontRowControl
  39
  40 - (void) setCookieMappingInDictionary: (NSMutableDictionary*) _cookieToButtonMapping    {
  41         [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonPlus]             forKey:@"11_18_99_10_"];
  42         [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonMinus]            forKey:@"11_18_98_10_"];
  43         [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonMenu]             forKey:@"11_18_58_10_"];
  44         [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonPlay]             forKey:@"11_18_61_10_"];
  45         [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonRight]            forKey:@"11_18_96_10_"];
  46         [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonLeft]             forKey:@"11_18_97_10_"];
  47         /* hold events are not being send by this device
  48         [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonRight_Hold]      forKey:@"14_6_4_2_"];
  49         [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonLeft_Hold]       forKey:@"14_6_3_2_"];
  50         [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonMenu_Hold]       forKey:@"14_6_14_6_"];
  51         [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonPlay_Sleep]      forKey:@"18_14_6_18_14_6_"];
  52         [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteControl_Switched]      forKey:@"19_"];
  53         */
  54 }
  55
  56 + (io_object_t) findRemoteDevice {
  57         CFMutableDictionaryRef hidMatchDictionary = NULL;
  58         IOReturn ioReturnValue = kIOReturnSuccess;
  59         io_iterator_t hidObjectIterator = 0;
  60         io_object_t     hidDevice = 0;
  61         SInt32                  idVendor = 1741;
  62         SInt32                  idProduct = 0x420;
  63
  64         // Set up a matching dictionary to search the I/O Registry by class
  65         // name for all HID class devices
  66         hidMatchDictionary = IOServiceMatching(kIOHIDDeviceKey);
  67
  68         CFNumberRef numberRefVendor = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &idVendor);
  69     if ( numberRefVendor )
  70     {
  71         CFDictionaryAddValue(hidMatchDictionary, CFSTR(kIOHIDVendorIDKey), numberRefVendor);
  72         CFRelease(numberRefVendor);
  73         }
  74
  75     CFNumberRef numberRefProduct = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &idProduct);
  76     if ( numberRefProduct )
  77     {
  78         CFDictionaryAddValue(hidMatchDictionary, CFSTR(kIOHIDProductIDKey), numberRefProduct);
  79         CFRelease(numberRefProduct);
  80         }
  81
  82         // Now search I/O Registry for matching devices.
  83         ioReturnValue = IOServiceGetMatchingServices(kIOMasterPortDefault, hidMatchDictionary, &hidObjectIterator);
  84
  85         if ((ioReturnValue == kIOReturnSuccess) && (hidObjectIterator != 0)) {
  86                 hidDevice = IOIteratorNext(hidObjectIterator);
  87         }
  88
  89         // release the iterator
  90     if ( hidObjectIterator )
  91         IOObjectRelease(hidObjectIterator);
  92
  93         return hidDevice;
  94
  95 }
  96
  97 @end