KeyspanFrontRowControl.m

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/* -*- Mode: ObjC; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*****************************************************************************
 * KeyspanFrontRowControl.m
 * RemoteControlWrapper
 *
 * Created by Martin Kahr on 11.03.06 under a MIT-style license.
 * Copyright (c) 2006 martinkahr.com. All rights reserved.
 *
 * Code modified and adapted to OpenOffice.org
 * by Eric Bachard on 11.08.2008 under the same License
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 *****************************************************************************/
 
#import "KeyspanFrontRowControl.h"
#import <mach/mach.h>
#import <mach/mach_error.h>
#import <IOKit/IOKitLib.h>
#import <IOKit/IOCFPlugIn.h>
#import <IOKit/hid/IOHIDKeys.h>
 
@implementation KeyspanFrontRowControl
 
- (void) setCookieMappingInDictionary: (NSMutableDictionary*) _cookieToButtonMapping    {
    [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonPlus]         forKey:@"11_18_99_10_"];
    [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonMinus]        forKey:@"11_18_98_10_"];
    [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonMenu]         forKey:@"11_18_58_10_"];
    [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonPlay]         forKey:@"11_18_61_10_"];
    [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonRight]        forKey:@"11_18_96_10_"];
    [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonLeft]         forKey:@"11_18_97_10_"];
    /* hold events are not being sent by this device
    [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonRight_Hold]  forKey:@"14_6_4_2_"];
    [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonLeft_Hold]   forKey:@"14_6_3_2_"];
    [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonMenu_Hold]   forKey:@"14_6_14_6_"];
    [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonPlay_Sleep]  forKey:@"18_14_6_18_14_6_"];
    [_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteControl_Switched]  forKey:@"19_"];
    */
}
 
+ (io_object_t) findRemoteDevice {
    CFMutableDictionaryRef hidMatchDictionary = NULL;
    IOReturn ioReturnValue = kIOReturnSuccess;
    io_iterator_t hidObjectIterator = 0;
    io_object_t hidDevice = 0;
    SInt32                  idVendor = 1741;
    SInt32                  idProduct = 0x420;
 
    // Set up a matching dictionary to search the I/O Registry by class
    // name for all HID class devices
    hidMatchDictionary = IOServiceMatching(kIOHIDDeviceKey);
 
    CFNumberRef numberRefVendor = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &idVendor);
    if ( numberRefVendor )
    {
        CFDictionaryAddValue(hidMatchDictionary, CFSTR(kIOHIDVendorIDKey), numberRefVendor);
        CFRelease(numberRefVendor);
    }
 
    CFNumberRef numberRefProduct = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &idProduct);
    if ( numberRefProduct )
    {
        CFDictionaryAddValue(hidMatchDictionary, CFSTR(kIOHIDProductIDKey), numberRefProduct);
        CFRelease(numberRefProduct);
    }
 
    // Now search I/O Registry for matching devices.
    SAL_WNODEPRECATED_DECLARATIONS_PUSH // kIOMasterPortDefault (12.0)
    ioReturnValue = IOServiceGetMatchingServices(kIOMasterPortDefault, hidMatchDictionary, &hidObjectIterator);
    SAL_WNODEPRECATED_DECLARATIONS_POP
 
    if ((ioReturnValue == kIOReturnSuccess) && (hidObjectIterator != 0)) {
        hidDevice = IOIteratorNext(hidObjectIterator);
    }
 
    // release the iterator
    if ( hidObjectIterator )
        IOObjectRelease(hidObjectIterator);
 
    return hidDevice;
 
}
 
@end
 
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