react-native/React/Views/RCTViewNodeProtocol.h

43 lines
1.4 KiB
Objective-C

/**
* Copyright (c) 2015-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.
*/
/**
* Logical node in a tree of application components. Both `ShadowView`s and
* `UIView+React`s conform to this. Allows us to write utilities that
* reason about trees generally.
*/
@protocol RCTViewNodeProtocol <NSObject>
@property (nonatomic, copy) NSNumber *reactTag;
@property (nonatomic, assign) CGRect frame;
- (void)insertReactSubview:(id<RCTViewNodeProtocol>)subview atIndex:(NSInteger)atIndex;
- (void)removeReactSubview:(id<RCTViewNodeProtocol>)subview;
- (NSArray *)reactSubviews;
- (id<RCTViewNodeProtocol>)reactSuperview;
- (NSNumber *)reactTagAtPoint:(CGPoint)point;
// View/ShadowView is a root view
- (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;
}