39 lines
936 B
Objective-C
39 lines
936 B
Objective-C
/*
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* Copyright (c) Facebook, Inc. and its 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 <React/RCTEventAnimation.h>
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@implementation RCTEventAnimation
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{
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NSArray<NSString *> *_eventPath;
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}
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- (instancetype)initWithEventPath:(NSArray<NSString *> *)eventPath
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valueNode:(RCTValueAnimatedNode *)valueNode
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{
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if ((self = [super init])) {
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_eventPath = eventPath;
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_valueNode = valueNode;
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}
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return self;
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}
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- (void)updateWithEvent:(id<RCTEvent>)event
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{
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NSArray *args = event.arguments;
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// Supported events args are in the following order: viewTag, eventName, eventData.
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id currentValue = args[2];
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for (NSString *key in _eventPath) {
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currentValue = [currentValue valueForKey:key];
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}
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_valueNode.value = ((NSNumber *)currentValue).doubleValue;
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[_valueNode setNeedsUpdate];
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}
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@end
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