75 lines
1.4 KiB
Objective-C
75 lines
1.4 KiB
Objective-C
#import "JOYFullReportElement.h"
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#include <IOKit/hid/IOHIDLib.h>
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@implementation JOYFullReportElement
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{
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IOHIDDeviceRef _device;
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NSData *_data;
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unsigned _reportID;
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size_t _capacity;
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}
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- (uint32_t)uniqueID
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{
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return _reportID ^ 0xFFFF;
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}
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- (instancetype)initWithDevice:(IOHIDDeviceRef) device reportID:(unsigned)reportID
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{
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if ((self = [super init])) {
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_data = [[NSMutableData alloc] initWithLength:[(__bridge NSNumber *)IOHIDDeviceGetProperty(device, CFSTR(kIOHIDMaxOutputReportSizeKey)) unsignedIntValue]];
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*(uint8_t *)(((NSMutableData *)_data).mutableBytes) = reportID;
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_reportID = reportID;
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_device = device;
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}
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return self;
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}
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- (int32_t)value
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{
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[self doesNotRecognizeSelector:_cmd];
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return 0;
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}
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- (NSData *)dataValue
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{
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return _data;
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}
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- (IOReturn)setValue:(uint32_t)value
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{
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[self doesNotRecognizeSelector:_cmd];
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return -1;
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}
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- (IOReturn)setDataValue:(NSData *)value
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{
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[self updateValue:value];
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return IOHIDDeviceSetReport(_device, kIOHIDReportTypeOutput, _reportID, [_data bytes], [_data length]);;
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}
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- (void)updateValue:(NSData *)value
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{
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_data = [value copy];
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}
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/* For use as a dictionary key */
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- (NSUInteger)hash
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{
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return self.uniqueID;
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}
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- (BOOL)isEqual:(JOYFullReportElement *)object
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{
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if ([object isKindOfClass:self.class]) return false;
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return self.uniqueID == object.uniqueID;
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}
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- (id)copyWithZone:(nullable NSZone *)zone;
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{
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return self;
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}
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@end
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