131 lines
4.3 KiB
C
131 lines
4.3 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 <UIKit/UIKit.h>
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#import <react/renderer/componentregistry/ComponentDescriptorProvider.h>
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#import <react/renderer/core/EventEmitter.h>
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#import <react/renderer/core/LayoutMetrics.h>
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#import <react/renderer/core/Props.h>
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#import <react/renderer/core/State.h>
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NS_ASSUME_NONNULL_BEGIN
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/*
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* Bitmask for all types of possible updates performing during mounting.
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*/
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typedef NS_OPTIONS(NSInteger, RNComponentViewUpdateMask) {
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RNComponentViewUpdateMaskNone = 0,
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RNComponentViewUpdateMaskProps = 1 << 0,
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RNComponentViewUpdateMaskEventEmitter = 1 << 1,
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RNComponentViewUpdateMaskState = 1 << 2,
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RNComponentViewUpdateMaskLayoutMetrics = 1 << 3,
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RNComponentViewUpdateMaskAll = RNComponentViewUpdateMaskProps | RNComponentViewUpdateMaskEventEmitter |
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RNComponentViewUpdateMaskState | RNComponentViewUpdateMaskLayoutMetrics
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};
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/*
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* Represents a `UIView` instance managed by React.
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* All methods are non-@optional.
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* `UIView+ComponentViewProtocol` category provides default implementation
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* for all of them.
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*/
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@protocol RCTComponentViewProtocol <NSObject>
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/*
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* Returns a `ComponentDescriptorProvider` of a particular `ComponentDescriptor` which this component view
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* represents.
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*/
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+ (facebook::react::ComponentDescriptorProvider)componentDescriptorProvider;
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/*
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* Returns a list of supplemental `ComponentDescriptorProvider`s (with do not have `ComponentView` counterparts) that
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* require for this component view.
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*/
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+ (std::vector<facebook::react::ComponentDescriptorProvider>)supplementalComponentDescriptorProviders;
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/*
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* Called for mounting (attaching) a child component view inside `self`
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* component view.
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* Receiver must add `childComponentView` as a subview.
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*/
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- (void)mountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index;
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/*
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* Called for unmounting (detaching) a child component view from `self`
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* component view.
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* Receiver must remove `childComponentView` as a subview.
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*/
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- (void)unmountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index;
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/*
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* Called for updating component's props.
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* Receiver must update native view props accordingly changed props.
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*/
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- (void)updateProps:(const facebook::react::Props::Shared &)props
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oldProps:(const facebook::react::Props::Shared &)oldProps;
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/*
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* Called for updating component's state.
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* Receiver must update native view according to changed state.
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*/
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- (void)updateState:(const facebook::react::State::Shared &)state
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oldState:(const facebook::react::State::Shared &)oldState;
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/*
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* Called for updating component's event handlers set.
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* Receiver must cache `eventEmitter` object inside and use it for emitting
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* events when needed.
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*/
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- (void)updateEventEmitter:(const facebook::react::EventEmitter::Shared &)eventEmitter;
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/*
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* Called for updating component's layout metrics.
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* Receiver must update `UIView` layout-related fields (such as `frame`,
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* `bounds`, `layer.zPosition`, and so on) accordingly.
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*/
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- (void)updateLayoutMetrics:(const facebook::react::LayoutMetrics &)layoutMetrics
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oldLayoutMetrics:(const facebook::react::LayoutMetrics &)oldLayoutMetrics;
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/*
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* Called when receiving a command
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*/
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- (void)handleCommand:(const NSString *)commandName args:(const NSArray *)args;
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/*
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* Called right after all update methods were called for a particular component view.
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* Useful for performing updates that require knowledge of several independent aspects of the compound mounting change
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* (e.g. props *and* layout constraints).
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*/
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- (void)finalizeUpdates:(RNComponentViewUpdateMask)updateMask;
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/*
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* Called right after the component view is moved to a recycle pool.
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* Receiver must reset any local state and release associated
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* non-reusable resources.
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*/
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- (void)prepareForRecycle;
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/*
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* Read the last props used to update the view.
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*/
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- (facebook::react::Props::Shared)props;
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- (BOOL)isJSResponder;
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- (void)setIsJSResponder:(BOOL)isJSResponder;
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/*
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* This is broken. Do not use.
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*/
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- (void)setPropKeysManagedByAnimated_DO_NOT_USE_THIS_IS_BROKEN:(nullable NSSet<NSString *> *)props;
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- (nullable NSSet<NSString *> *)propKeysManagedByAnimated_DO_NOT_USE_THIS_IS_BROKEN;
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@end
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NS_ASSUME_NONNULL_END
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