Set a button with minimum trigger time for click events

ZSButton

#import <UIKit/UIKit.h>
#import "objc/runtime.h"

@interface UIButton (ZS)

@property (nonatomic, strong) NSDate *associatedTriggerTimeStamp;
@property (nonatomic, strong) NSNumber *associatedMinimumTriggerInterval;

+ (void) configTriggerMechanism;

- (void) pSendAction:(SEL)action to:(id)target forEvent:(UIEvent *)event;

@end



@implementation UIButton (ZS)

+ (void) configTriggerMechanism {
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        Method originalMethod = class_getInstanceMethod([self class], @selector(sendAction:to:forEvent:));
        Method evilMethod = class_getInstanceMethod([self class], @selector(pSendAction:to:forEvent:));
        method_exchangeImplementations(originalMethod, evilMethod);
    });
}


- (void) setAssociatedTriggerTimeStamp:(NSDate *)associatedTriggerTimeStamp {
    objc_setAssociatedObject(self, @selector(associatedTriggerTimeStamp), associatedTriggerTimeStamp, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}

- (NSDate *) associatedTriggerTimeStamp {
    return objc_getAssociatedObject(self, @selector(associatedTriggerTimeStamp));
}


- (void) setAssociatedMinimumTriggerInterval:(NSNumber *)associatedMinimumTriggerInterval {
    objc_setAssociatedObject(self, @selector(associatedMinimumTriggerInterval), associatedMinimumTriggerInterval, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}

- (NSNumber *) associatedMinimumTriggerInterval {
    return objc_getAssociatedObject(self, @selector(associatedMinimumTriggerInterval));
}

- (void) pSendAction:(SEL)action to:(id)target forEvent:(UIEvent *)event {
    if (event.type == UIEventTypeTouches && self.isTouchInside) {
        if (!self.associatedTriggerTimeStamp || [self.associatedTriggerTimeStamp timeIntervalSinceNow] < -[self.associatedMinimumTriggerInterval doubleValue]) {
            NSLog(@"%@ touch success!", [self class]);
            self.associatedTriggerTimeStamp = [NSDate date];
            [self pSendAction:action to:target forEvent:event];
        } else {
            return;
        }
    } else {
        [self pSendAction:action to:target forEvent:event];
    }
}

@end