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