//
//  UIButton+button.m
//  TTJF
//
//  Created by wbzhan on 2018/4/24.
//  Copyright © 2018年 TTJF. All rights reserved.
//

#import "UIButton+button.h"
#import <objc/runtime.h>

@interface UIButton()
// @property (nonatomic, assign) BOOL isIgnoreEvent;
@end

@implementation UIButton (button)
//@dynamic hitTestEdgeInsets;

//static const NSString *KEY_HIT_TEST_EDGE_INSETS = @"HitTestEdgeInsets";
//static const char *UIControl_timeInterval = "UIControl_timeInterval";
//static const char *UIControl_enventIsIgnoreEvent = "UIControl_enventIsIgnoreEvent";

-(instancetype)init{
    self = [super init];
    if (self) {
        self.adjustsImageWhenHighlighted = NO;
    }
    return self;
}
-(void)setHighlighted:(BOOL)highlighted{
    
    [super setHighlighted:NO];
}
//// runtime 动态绑定 属性
//- (void)setIsIgnoreEvent:(BOOL)isIgnoreEvent
//{
//    objc_setAssociatedObject(self, UIControl_enventIsIgnoreEvent, @(isIgnoreEvent), OBJC_ASSOCIATION_RETAIN_NONATOMIC);
//}
//- (BOOL)isIgnoreEvent{
//    return [objc_getAssociatedObject(self, UIControl_enventIsIgnoreEvent) boolValue];
//}
//
//- (NSTimeInterval)timeInterval
//{
//    return [objc_getAssociatedObject(self, UIControl_timeInterval) doubleValue];
//}
//
//- (void)setTimeInterval:(NSTimeInterval)timeInterval
//{
//    objc_setAssociatedObject(self, UIControl_timeInterval, @(timeInterval), OBJC_ASSOCIATION_RETAIN_NONATOMIC);
//}
//
//+ (void)load
//{
//    // Method Swizzling
//    static dispatch_once_t onceToken;
//    dispatch_once(&onceToken, ^{
//        SEL selA = @selector(sendAction:to:forEvent:);
//        SEL selB = @selector(after_sendAction:to:forEvent:);
//        Method methodA = class_getInstanceMethod(self,selA);
//        Method methodB = class_getInstanceMethod(self, selB);
//        
//        BOOL isAdd = class_addMethod(self, selA, method_getImplementation(methodB), method_getTypeEncoding(methodB));
//        
//        if (isAdd) {
//            class_replaceMethod(self, selB, method_getImplementation(methodA), method_getTypeEncoding(methodA));
//        }else{
//            //添加失败了 说明本类中有methodB的实现，此时只需要将methodA和methodB的IMP互换一下即可。
//            method_exchangeImplementations(methodA, methodB);
//        }
//    });
//}
//
//- (void)after_sendAction:(SEL)action to:(id)target forEvent:(UIEvent *)event
//{
//    self.timeInterval = self.timeInterval == 0 ? defaultInterval : self.timeInterval;
//    if (self.isIgnoreEvent){
//        return;
//    }else if (self.timeInterval > 0){
//        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(self.timeInterval * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
//            [self setIsIgnoreEvent:NO];
//        });
//    }
//    
//    self.isIgnoreEvent = YES;
//    // 这里看上去会陷入递归调用死循环，但在运行期此方法是和sendAction:to:forEvent:互换的，相当于执行sendAction:to:forEvent:方法，所以并不会陷入死循环。
//    [self after_sendAction:action to:target forEvent:event];
//}
//#pragma mark --点击区域以及button按钮文字位置
//- (void)setImagePosition:(ImagePosition)postion spacing:(CGFloat)spacing
//{
////    [self setTitle:self.currentTitle forState:UIControlStateNormal];
////    [self setImage:self.currentImage forState:UIControlStateNormal];
//    
//    CGFloat imageWidth = self.imageView.image.size.width;
//    CGFloat imageHeight = self.imageView.image.size.height;
//    CGFloat labelWidth = [self.titleLabel.text sizeWithAttributes:@{NSFontAttributeName:self.titleLabel.font}].width;
//    
//    if (postion == ImagePositionRight && labelWidth >= self.frame.size.width - imageWidth) {
//        labelWidth = self.frame.size.width - imageWidth;
//    }
//    
//    CGFloat labelHeight = [self.titleLabel.text sizeWithAttributes:@{NSFontAttributeName:self.titleLabel.font}].height;
//    
//    CGFloat imageOffsetX = (imageWidth + labelWidth) / 2 - imageWidth / 2; //image中心移动的x距离
//    CGFloat imageOffsetY = imageHeight / 2 + spacing / 2; //image中心移动的y距离
//    CGFloat labelOffsetX = (imageWidth + labelWidth / 2) - (imageWidth + labelWidth) / 2; //label中心移动的x距离
//    CGFloat labelOffsetY = labelHeight / 2 + spacing / 2; //label中心移动的y距离
//    
//    CGFloat tempWidth = MAX(labelWidth, imageWidth);
//    CGFloat changedWidth = labelWidth + imageWidth - tempWidth;
//    CGFloat tempHeight = MAX(labelHeight, imageHeight);
//    CGFloat changedHeight = labelHeight + imageHeight + spacing - tempHeight;
//    
//    switch (postion) {
//        case ImagePositionLeft:
//            self.imageEdgeInsets = UIEdgeInsetsMake(0, -spacing / 2, 0, spacing / 2);
//            self.titleEdgeInsets = UIEdgeInsetsMake(0, spacing / 2, 0, -spacing / 2);
//            self.contentEdgeInsets = UIEdgeInsetsMake(0, spacing / 2, 0, spacing / 2);
//            break;
//            
//        case ImagePositionRight:
//            self.imageEdgeInsets = UIEdgeInsetsMake(0, labelWidth + spacing / 2, 0, -(labelWidth + spacing / 2));
//            self.titleEdgeInsets = UIEdgeInsetsMake(0, -(imageWidth + spacing / 2), 0, imageWidth + spacing / 2);
//            self.contentEdgeInsets = UIEdgeInsetsMake(0, spacing / 2, 0, spacing / 2);
//            break;
//            
//        case ImagePositionTop:
//            self.imageEdgeInsets = UIEdgeInsetsMake(-imageOffsetY, imageOffsetX, imageOffsetY, -imageOffsetX);
//            self.titleEdgeInsets = UIEdgeInsetsMake(labelOffsetY, -labelOffsetX, -labelOffsetY, labelOffsetX);
//            self.contentEdgeInsets = UIEdgeInsetsMake(imageOffsetY, -changedWidth / 2, changedHeight - imageOffsetY, -changedWidth / 2);
//            break;
//            
//        case ImagePositionBottom:
//            self.imageEdgeInsets = UIEdgeInsetsMake(imageOffsetY, imageOffsetX, -imageOffsetY, -imageOffsetX);
//            self.titleEdgeInsets = UIEdgeInsetsMake(-labelOffsetY, -labelOffsetX, labelOffsetY, labelOffsetX);
//            self.contentEdgeInsets = UIEdgeInsetsMake(changedHeight - imageOffsetY, -changedWidth / 2, imageOffsetY, -changedWidth / 2);
//            break;
//            
//        default:
//            break;
//    }
//}
//
//-(void)setHitTestEdgeInsets:(UIEdgeInsets)hitTestEdgeInsets
//{
//    NSValue *value = [NSValue value:&hitTestEdgeInsets withObjCType:@encode(UIEdgeInsets)];
//    objc_setAssociatedObject(self, &KEY_HIT_TEST_EDGE_INSETS, value, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
//}
//
//-(UIEdgeInsets)hitTestEdgeInsets
//{
//    NSValue *value = objc_getAssociatedObject(self, &KEY_HIT_TEST_EDGE_INSETS);
//    if(value) {
//        UIEdgeInsets edgeInsets; [value getValue:&edgeInsets]; return edgeInsets;
//    }else {
//        return UIEdgeInsetsZero;
//    }
//}
////点击区域
//- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event
//{
//    if(UIEdgeInsetsEqualToEdgeInsets(self.hitTestEdgeInsets, UIEdgeInsetsZero) || !self.enabled || self.hidden) {
//        return [super pointInside:point withEvent:event];
//    }
//    
//    CGRect relativeFrame = self.bounds;
//    CGRect hitFrame = UIEdgeInsetsInsetRect(relativeFrame, self.hitTestEdgeInsets);
//    
//    return CGRectContainsPoint(hitFrame, point);
//}
@end