Shuffle & Cleanup Stuff (#3080)

Source/Private/ASControlTargetAction.m

@@ -0,0 +1,66 @@
+//
+//  ASControlTargetAction.m
+//  AsyncDisplayKit
+//
+//  Copyright (c) 2014-present, Facebook, Inc.  All rights reserved.
+//  This source code is licensed under the BSD-style license found in the
+//  LICENSE file in the root directory of this source tree. An additional grant
+//  of patent rights can be found in the PATENTS file in the same directory.
+//
+
+#import <AsyncDisplayKit/ASControlTargetAction.h>
+
+@implementation ASControlTargetAction
+{
+  __weak id _target;
+  BOOL _createdWithNoTarget;
+}
+
+- (void)setTarget:(id)target {
+  _target = target;
+  
+  if (!target) {
+    _createdWithNoTarget = YES;
+  }
+}
+
+- (id)target {
+  return _target;
+}
+
+- (BOOL)isEqual:(id)object {
+  if (![object isKindOfClass:[ASControlTargetAction class]]) {
+    return NO;
+  }
+  
+  ASControlTargetAction *otherObject = (ASControlTargetAction *)object;
+  
+  BOOL areTargetsEqual;
+  
+  if (self.target != nil && otherObject.target != nil && self.target == otherObject.target) {
+    areTargetsEqual = YES;
+  }
+  else if (self.target == nil && otherObject.target == nil && self.createdWithNoTarget && otherObject.createdWithNoTarget) {
+    areTargetsEqual = YES;
+  }
+  else {
+    areTargetsEqual = NO;
+  }
+  
+  if (!areTargetsEqual) {
+    return NO;
+  }
+  
+  if (self.action && otherObject.action && self.action == otherObject.action) {
+    return YES;
+  }
+  else {
+    return NO;
+  }
+}
+
+- (NSUInteger)hash {
+  return [self.target hash];
+}
+
+@end