77 lines
2.6 KiB
Objective-C
77 lines
2.6 KiB
Objective-C
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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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 <Foundation/Foundation.h>
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#import <React/RCTDefines.h>
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#if RCT_DEV
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NS_ASSUME_NONNULL_BEGIN
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@protocol RCTPackagerClientMethod;
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@class RCTPackagerClientResponder;
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typedef uint32_t RCTHandlerToken;
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typedef void (^RCTNotificationHandler)(NSDictionary<NSString *, id> *);
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typedef void (^RCTRequestHandler)(NSDictionary<NSString *, id> *, RCTPackagerClientResponder *);
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typedef void (^RCTConnectedHandler)(void);
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/** Encapsulates singleton connection to React Native packager. */
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@interface RCTPackagerConnection : NSObject
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+ (instancetype)sharedPackagerConnection;
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/**
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* Registers a handler for a notification broadcast from the packager. An
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* example is "reload" - an instruction to reload from the packager.
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* If multiple notification handlers are registered for the same method, they
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* will all be invoked sequentially.
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*/
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- (RCTHandlerToken)addNotificationHandler:(RCTNotificationHandler)handler
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queue:(dispatch_queue_t)queue
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forMethod:(NSString *)method;
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/**
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* Registers a handler for a request from the packager. An example is
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* pokeSamplingProfiler; it asks for profile data from the client.
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* Only one handler can be registered for a given method; calling this
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* displaces any previous request handler registered for that method.
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*/
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- (RCTHandlerToken)addRequestHandler:(RCTRequestHandler)handler
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queue:(dispatch_queue_t)queue
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forMethod:(NSString *)method;
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/**
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* Registers a handler that runs at most once, when the connection to the
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* packager has been established. The handler will be dispatched immediately
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* if the connection is already established.
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*/
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- (RCTHandlerToken)addConnectedHandler:(RCTConnectedHandler)handler
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queue:(dispatch_queue_t)queue;
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/** Removes a handler. Silently does nothing if the token is not valid. */
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- (void)removeHandler:(RCTHandlerToken)token;
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/** Disconnects and removes all handlers. */
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- (void)stop;
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/**
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* Historically no distinction was made between notification and request
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* handlers. If you use this method, it will be registered as *both* a
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* notification handler *and* a request handler. You should migrate to the
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* new block-based API instead.
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*/
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- (void)addHandler:(id<RCTPackagerClientMethod>)handler
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forMethod:(NSString *)method __deprecated_msg("Use addRequestHandler or addNotificationHandler instead");
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@end
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NS_ASSUME_NONNULL_END
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#endif
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