update .gitignore

developer

2023-05-20 e12c7b4c22df631ebdcd16b2f98fbef8f738f92f

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//
//  UIButton+RACCommandSupport.m
//  ReactiveCocoa
//
//  Created by Ash Furrow on 2013-06-06.
//  Copyright (c) 2013 GitHub, Inc. All rights reserved.
//
 
#import "UIButton+RACCommandSupport.h"
#import "RACEXTKeyPathCoding.h"
#import "RACCommand.h"
#import "RACDisposable.h"
#import "RACSignal+Operations.h"
#import <objc/runtime.h>
 
static void *UIButtonRACCommandKey = &UIButtonRACCommandKey;
static void *UIButtonEnabledDisposableKey = &UIButtonEnabledDisposableKey;
 
@implementation UIButton (RACCommandSupport)
 
- (RACCommand *)rac_command {
    return objc_getAssociatedObject(self, UIButtonRACCommandKey);
}
 
- (void)setRac_command:(RACCommand *)command {
    objc_setAssociatedObject(self, UIButtonRACCommandKey, command, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
    
    // Check for stored signal in order to remove it and add a new one
    RACDisposable *disposable = objc_getAssociatedObject(self, UIButtonEnabledDisposableKey);
    [disposable dispose];
    
    if (command == nil) return;
    
    disposable = [command.enabled setKeyPath:@keypath(self.enabled) onObject:self];
    objc_setAssociatedObject(self, UIButtonEnabledDisposableKey, disposable, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
    
    [self rac_hijackActionAndTargetIfNeeded];
}
 
- (void)rac_hijackActionAndTargetIfNeeded {
    SEL hijackSelector = @selector(rac_commandPerformAction:);
    
    for (NSString *selector in [self actionsForTarget:self forControlEvent:UIControlEventTouchUpInside]) {
        if (hijackSelector == NSSelectorFromString(selector)) {
            return;
        }
    }
    
    [self addTarget:self action:hijackSelector forControlEvents:UIControlEventTouchUpInside];
}
 
- (void)rac_commandPerformAction:(id)sender {
    [self.rac_command execute:sender];
}
 
@end