From 83b9d5c682b21d88133f24da0f94dd56bd79e687 Mon Sep 17 00:00:00 2001
From: 单军华
Date: Thu, 19 Jul 2018 13:38:55 +0800
Subject: [PATCH] change

---
 screendisplay/Pods/YYCategories/YYCategories/UIKit/UIControl+YYAdd.m |  118 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 118 insertions(+), 0 deletions(-)

diff --git a/screendisplay/Pods/YYCategories/YYCategories/UIKit/UIControl+YYAdd.m b/screendisplay/Pods/YYCategories/YYCategories/UIKit/UIControl+YYAdd.m
new file mode 100755
index 0000000..4ae42aa
--- /dev/null
+++ b/screendisplay/Pods/YYCategories/YYCategories/UIKit/UIControl+YYAdd.m
@@ -0,0 +1,118 @@
+//
+//  UIControl+YYAdd.m
+//  YYCategories <https://github.com/ibireme/YYCategories>
+//
+//  Created by ibireme on 13/4/5.
+//  Copyright (c) 2015 ibireme.
+//
+//  This source code is licensed under the MIT-style license found in the
+//  LICENSE file in the root directory of this source tree.
+//
+
+#import "UIControl+YYAdd.h"
+#import "YYCategoriesMacro.h"
+#import <objc/runtime.h>
+
+YYSYNTH_DUMMY_CLASS(UIControl_YYAdd)
+
+
+static const int block_key;
+
+@interface _YYUIControlBlockTarget : NSObject
+
+@property (nonatomic, copy) void (^block)(id sender);
+@property (nonatomic, assign) UIControlEvents events;
+
+- (id)initWithBlock:(void (^)(id sender))block events:(UIControlEvents)events;
+- (void)invoke:(id)sender;
+
+@end
+
+@implementation _YYUIControlBlockTarget
+
+- (id)initWithBlock:(void (^)(id sender))block events:(UIControlEvents)events {
+    self = [super init];
+    if (self) {
+        _block = [block copy];
+        _events = events;
+    }
+    return self;
+}
+
+- (void)invoke:(id)sender {
+    if (_block) _block(sender);
+}
+
+@end
+
+
+
+@implementation UIControl (YYAdd)
+
+- (void)removeAllTargets {
+    [[self allTargets] enumerateObjectsUsingBlock: ^(id object, BOOL *stop) {
+        [self removeTarget:object action:NULL forControlEvents:UIControlEventAllEvents];
+    }];
+    [[self _yy_allUIControlBlockTargets] removeAllObjects];
+}
+
+- (void)setTarget:(id)target action:(SEL)action forControlEvents:(UIControlEvents)controlEvents {
+    if (!target || !action || !controlEvents) return;
+    NSSet *targets = [self allTargets];
+    for (id currentTarget in targets) {
+        NSArray *actions = [self actionsForTarget:currentTarget forControlEvent:controlEvents];
+        for (NSString *currentAction in actions) {
+            [self removeTarget:currentTarget action:NSSelectorFromString(currentAction)
+                forControlEvents:controlEvents];
+        }
+    }
+    [self addTarget:target action:action forControlEvents:controlEvents];
+}
+
+- (void)addBlockForControlEvents:(UIControlEvents)controlEvents
+                           block:(void (^)(id sender))block {
+    if (!controlEvents) return;
+    _YYUIControlBlockTarget *target = [[_YYUIControlBlockTarget alloc]
+                                       initWithBlock:block events:controlEvents];
+    [self addTarget:target action:@selector(invoke:) forControlEvents:controlEvents];
+    NSMutableArray *targets = [self _yy_allUIControlBlockTargets];
+    [targets addObject:target];
+}
+
+- (void)setBlockForControlEvents:(UIControlEvents)controlEvents
+                           block:(void (^)(id sender))block {
+    [self removeAllBlocksForControlEvents:UIControlEventAllEvents];
+    [self addBlockForControlEvents:controlEvents block:block];
+}
+
+- (void)removeAllBlocksForControlEvents:(UIControlEvents)controlEvents {
+    if (!controlEvents) return;
+    
+    NSMutableArray *targets = [self _yy_allUIControlBlockTargets];
+    NSMutableArray *removes = [NSMutableArray array];
+    for (_YYUIControlBlockTarget *target in targets) {
+        if (target.events & controlEvents) {
+            UIControlEvents newEvent = target.events & (~controlEvents);
+            if (newEvent) {
+                [self removeTarget:target action:@selector(invoke:) forControlEvents:target.events];
+                target.events = newEvent;
+                [self addTarget:target action:@selector(invoke:) forControlEvents:target.events];
+            } else {
+                [self removeTarget:target action:@selector(invoke:) forControlEvents:target.events];
+                [removes addObject:target];
+            }
+        }
+    }
+    [targets removeObjectsInArray:removes];
+}
+
+- (NSMutableArray *)_yy_allUIControlBlockTargets {
+    NSMutableArray *targets = objc_getAssociatedObject(self, &block_key);
+    if (!targets) {
+        targets = [NSMutableArray array];
+        objc_setAssociatedObject(self, &block_key, targets, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+    }
+    return targets;
+}
+
+@end

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