53 lines
1.5 KiB
Mathematica
53 lines
1.5 KiB
Mathematica
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/*
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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/RCTTrackingAnimatedNode.h>
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#import <React/RCTValueAnimatedNode.h>
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#import <React/RCTNativeAnimatedNodesManager.h>
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@implementation RCTTrackingAnimatedNode {
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NSNumber *_animationId;
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NSNumber *_toValueNodeTag;
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NSNumber *_valueNodeTag;
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NSMutableDictionary *_animationConfig;
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}
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- (instancetype)initWithTag:(NSNumber *)tag
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config:(NSDictionary<NSString *, id> *)config
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{
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if ((self = [super initWithTag:tag config:config])) {
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_animationId = config[@"animationId"];
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_toValueNodeTag = config[@"toValue"];
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_valueNodeTag = config[@"value"];
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_animationConfig = [NSMutableDictionary dictionaryWithDictionary:config[@"animationConfig"]];
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}
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return self;
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}
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- (void)onDetachedFromNode:(RCTAnimatedNode *)parent
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{
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[self.manager stopAnimation:_animationId];
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[super onDetachedFromNode:parent];
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}
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- (void)performUpdate
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{
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[super performUpdate];
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// change animation config's "toValue" to reflect updated value of the parent node
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RCTValueAnimatedNode *node = (RCTValueAnimatedNode *)[self.parentNodes objectForKey:_toValueNodeTag];
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_animationConfig[@"toValue"] = @(node.value);
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[self.manager startAnimatingNode:_animationId
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nodeTag:_valueNodeTag
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config:_animationConfig
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endCallback:nil];
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}
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@end
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