59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
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/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <CoreGraphics/CoreGraphics.h>
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#import <Foundation/Foundation.h>
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/**
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* These block types can be used for mapping input event handlers from JS to view
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* properties. Unlike JS method callbacks, these can be called multiple times.
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*/
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typedef void (^RCTDirectEventBlock)(NSDictionary *body);
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typedef void (^RCTBubblingEventBlock)(NSDictionary *body);
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typedef void (^RCTCapturingEventBlock)(NSDictionary *body);
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/**
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* Logical node in a tree of application components. Both `ShadowView` and
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* `UIView` conforms to this. Allows us to write utilities that reason about
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* trees generally.
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*/
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@protocol RCTComponent <NSObject>
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@property (nonatomic, copy) NSNumber *reactTag;
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@property (nonatomic, copy) NSNumber *rootTag;
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- (void)insertReactSubview:(id<RCTComponent>)subview atIndex:(NSInteger)atIndex;
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- (void)removeReactSubview:(id<RCTComponent>)subview;
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- (NSArray<id<RCTComponent>> *)reactSubviews;
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- (id<RCTComponent>)reactSuperview;
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- (NSNumber *)reactTagAtPoint:(CGPoint)point;
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// View/ShadowView is a root view
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- (BOOL)isReactRootView;
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/**
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* Called each time props have been set.
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* Not all props have to be set - React can set only changed ones.
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* @param changedProps String names of all set props.
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*/
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- (void)didSetProps:(NSArray<NSString *> *)changedProps;
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/**
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* Called each time subviews have been updated
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*/
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- (void)didUpdateReactSubviews;
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@end
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// TODO: this is kinda dumb - let's come up with a
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// better way of identifying root React views please!
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static inline BOOL RCTIsReactRootView(NSNumber *reactTag)
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{
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return reactTag.integerValue % 10 == 1;
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}
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