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packages/react-native/React/Modules/RCTEventEmitter.h
48 строк
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Pieter De Baets
Rollout RCTValidateCanSendEventInRCTEventEmitter (#41261)
31 окт 2023, 17:09
31 окт 2023, 17:09
da5eb3e
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/* * Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ #import <React/RCTBridge.h> /** * RCTEventEmitter is an abstract base class to be used for modules that emit * events to be observed by JS. */ @interface RCTEventEmitter : NSObject <RCTBridgeModule, RCTInvalidating> @property (nonatomic, weak) RCTBridge *bridge; @property (nonatomic, weak) RCTModuleRegistry *moduleRegistry; @property (nonatomic, weak) RCTViewRegistry *viewRegistry_DEPRECATED; - (instancetype)initWithDisabledObservation; /** * Override this method to return an array of supported event names. Attempting * to observe or send an event that isn't included in this list will result in * an error. */ - (NSArray<NSString *> *)supportedEvents; /** * Send an event that does not relate to a specific view, e.g. a navigation * or data update notification. */ - (void)sendEventWithName:(NSString *)name body:(id)body; /** * These methods will be called when the first observer is added and when the * last observer is removed (or when dealloc is called), respectively. These * should be overridden in your subclass in order to start/stop sending events. */ - (void)startObserving; - (void)stopObserving; - (void)invalidate NS_REQUIRES_SUPER; - (void)addListener:(NSString *)eventName; - (void)removeListeners:(double)count; @end