28 строки
829 B
Objective-C
28 строки
829 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/RCTSubtractionAnimatedNode.h>
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@implementation RCTSubtractionAnimatedNode
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- (void)performUpdate
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{
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[super performUpdate];
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NSArray<NSNumber *> *inputNodes = self.config[@"input"];
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if (inputNodes.count > 1) {
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RCTValueAnimatedNode *parent1 = (RCTValueAnimatedNode *)[self.parentNodes objectForKey:inputNodes[0]];
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RCTValueAnimatedNode *parent2 = (RCTValueAnimatedNode *)[self.parentNodes objectForKey:inputNodes[1]];
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if ([parent1 isKindOfClass:[RCTValueAnimatedNode class]] &&
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[parent2 isKindOfClass:[RCTValueAnimatedNode class]]) {
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self.value = parent1.value - parent2.value;
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}
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}
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}
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@end
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