90 lines
2.0 KiB
Objective-C
90 lines
2.0 KiB
Objective-C
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import "UIView+ReactKit.h"
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#import <objc/runtime.h>
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#import "RCTAssert.h"
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#import "RCTWrapperViewController.h"
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@implementation UIView (ReactKit)
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- (NSNumber *)reactTag
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{
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return objc_getAssociatedObject(self, _cmd);
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}
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- (void)setReactTag:(NSNumber *)reactTag
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{
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objc_setAssociatedObject(self, @selector(reactTag), reactTag, OBJC_ASSOCIATION_COPY_NONATOMIC);
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}
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- (BOOL)isReactRootView
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{
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return RCTIsReactRootView(self.reactTag);
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}
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- (NSNumber *)reactTagAtPoint:(CGPoint)point
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{
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UIView *view = [self hitTest:point withEvent:nil];
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while (view && !view.reactTag) {
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view = view.superview;
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}
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return view.reactTag;
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}
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- (void)insertReactSubview:(UIView *)subview atIndex:(NSInteger)atIndex
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{
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[self insertSubview:subview atIndex:atIndex];
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}
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- (void)removeReactSubview:(UIView *)subview
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{
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RCTAssert(subview.superview == self, @"%@ is a not a subview of %@", subview, self);
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[subview removeFromSuperview];
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}
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- (NSArray *)reactSubviews
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{
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return self.subviews;
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}
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- (UIView *)reactSuperview
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{
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return self.superview;
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}
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- (UIViewController *)backingViewController
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{
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id responder = [self nextResponder];
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if ([responder isKindOfClass:[RCTWrapperViewController class]]) {
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return responder;
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}
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return nil;
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}
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- (void)addControllerToClosestParent:(UIViewController *)controller
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{
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if (!controller.parentViewController) {
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UIView *parentView = (UIView *)self.reactSuperview;
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while (parentView) {
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if (parentView.backingViewController) {
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[parentView.backingViewController addChildViewController:controller];
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[controller didMoveToParentViewController:parentView.backingViewController];
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break;
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}
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parentView = (UIView *)parentView.reactSuperview;
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}
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return;
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}
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}
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@end
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