react-native/ReactKit/Views/RCTViewNodeProtocol.h

35 lines
1.1 KiB
Objective-C

// Copyright 2004-present Facebook. All Rights Reserved.
/**
* Logical node in a tree of application components. Both `ShadowView`s and
* `UIView+ReactKit`s conform to this. Allows us to write utilities that
* reason about trees generally.
*/
@protocol RCTViewNodeProtocol <NSObject>
@property (nonatomic, copy) NSNumber *reactTag;
- (void)insertReactSubview:(id<RCTViewNodeProtocol>)subview atIndex:(NSInteger)atIndex;
- (void)removeReactSubview:(id<RCTViewNodeProtocol>)subview;
- (NSMutableArray *)reactSubviews;
- (id<RCTViewNodeProtocol>)reactSuperview;
- (NSNumber *)reactTagAtPoint:(CGPoint)point;
// View is an RCTRootView
- (BOOL)isReactRootView;
@optional
// TODO: Deprecate this
// This method is called after layout has been performed for all views known
// to the RCTViewManager. It is only called on UIViews, not shadow views.
- (void)reactBridgeDidFinishTransaction;
@end
// TODO: this is kinda dumb - let's come up with a
// better way of identifying root react views please!
static inline BOOL RCTIsReactRootView(NSNumber *reactTag) {
return reactTag.integerValue % 10 == 1;
}