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BREAKING - RCTEvent improvements, remove deprecated [sendInputEventWi…
…thName:body:] (#15894) Summary: This makes the RCTEvent protocol more generic to make it easier to use the event coalescing feature for type of events other than components. This does a few other improvements that will be useful in follow up PRs. - Add `RCTComponentEvent` which is used instead of deprecated `[sendInputEventWithName:body:]` and remove that method completely (was only used at 2 places). - Make `coalescingKey` optional for events that return NO from `canCoalesce`. - Make `viewTag` optional for events that are not related to views. - Fast path for events that return NO from `canCoalesce`. - Add a missing test for event coalescing with different view tags. Ended up making only one PR for all this since the changes are related and hard to separate. **Migration** Use a custom RCTEvent subclass with `[sendEvent:]` (preferred way to allow type safe events) or `RCTComponentEvent`. **Test plan** - Ran RCTEventDispatcher unit tests - Tested manually in RNTester Changelog: [iOS] [Changed] - Remove deprecated RCTEvent method, sendInputEventWithName:body: Pull Request resolved: #15894 Reviewed By: shergin Differential Revision: D13726194 Pulled By: hramos fbshipit-source-id: 11f63a99e08f46ec6b4f16f8d9949cdbf5c3fe13
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| /** | ||
| * Copyright (c) Facebook, Inc. and its affilities. | ||
| * | ||
| * This source code is licensed under the MIT license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| */ | ||
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| #import <React/RCTEventDispatcher.h> | ||
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| /** | ||
| * Generic untyped event for Components. Used internally by RCTDirectEventBlock and | ||
| * RCTBubblingEventBlock, for other use cases prefer using a class that implements | ||
| * RCTEvent to have a type safe way to initialize it. | ||
| */ | ||
| @interface RCTComponentEvent : NSObject<RCTEvent> | ||
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| - (instancetype)initWithName:(NSString *)name viewTag:(NSNumber *)viewTag body:(NSDictionary *)body; | ||
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| @end |
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| @@ -0,0 +1,50 @@ | ||
| /** | ||
| * Copyright (c) Facebook, Inc. and its affilities. | ||
| * | ||
| * This source code is licensed under the MIT license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| */ | ||
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| #import "RCTComponentEvent.h" | ||
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| #import "RCTAssert.h" | ||
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| @implementation RCTComponentEvent | ||
| { | ||
| NSArray *_arguments; | ||
| } | ||
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| @synthesize eventName = _eventName; | ||
| @synthesize viewTag = _viewTag; | ||
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| - (instancetype)initWithName:(NSString *)name viewTag:(NSNumber *)viewTag body:(NSDictionary *)body | ||
| { | ||
| if (self = [super init]) { | ||
| NSMutableDictionary *mutableBody = [NSMutableDictionary dictionaryWithDictionary:body]; | ||
| mutableBody[@"target"] = viewTag; | ||
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| _eventName = RCTNormalizeInputEventName(name); | ||
| _viewTag = viewTag; | ||
| _arguments = @[_viewTag, _eventName, mutableBody]; | ||
| } | ||
| return self; | ||
| } | ||
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| RCT_NOT_IMPLEMENTED(- (instancetype)init) | ||
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| - (NSArray *)arguments | ||
| { | ||
| return _arguments; | ||
| } | ||
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| - (BOOL)canCoalesce | ||
| { | ||
| return NO; | ||
| } | ||
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| + (NSString *)moduleDotMethod | ||
| { | ||
| return @"RCTEventEmitter.receiveEvent"; | ||
| } | ||
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| @end |
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