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c47759a9ae
Summary: Fixes potential retain cycles detected by an internal fb tool. ``` First: __NSDictionaryM -> RCTPropsAnimatedNode -> _parentNodes -> __NSDictionaryM -> RCTStyleAnimatedNode -> _childNodes -> __NSDictionaryM Second: RCTScrollView -> _eventDispatcher -> RCTEventDispatcher -> _observers -> __NSArrayM -> RCTNativeAnimatedModule -> _nodesManager -> RCTNativeAnimatedNodesManager -> _uiManager -> RCTUIManager -> _viewRegistry -> __NSDictionaryM -> RCTScrollView ``` First fix: Use weak map for parent and child nodes, strong refs are managed by RCTNativeAnimatedNodesManager Second fix: Make RCTEventDispatcher observers a weak array and make sure we don't keep strong refs to UIManager in RCTNativeAnimatedNodesManager and RCTPropsAnimatedNode. Tested that native animations still work in UIExplorer [IOS] [BUGFIX] [NativeAnimated] - Fix potential retain cycles in Animated iOS Closes https://github.com/facebook/react-native/pull/16506 Differential Revision: D6126400 Pulled By: shergin fbshipit-source-id: 1ac5083f8ab79a806305edc23ae4796ed428f78b
24 lines
691 B
Objective-C
24 lines
691 B
Objective-C
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import "RCTModuloAnimatedNode.h"
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@implementation RCTModuloAnimatedNode
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- (void)performUpdate
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{
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[super performUpdate];
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NSNumber *inputNode = self.config[@"input"];
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NSNumber *modulus = self.config[@"modulus"];
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RCTValueAnimatedNode *parent = (RCTValueAnimatedNode *)[self.parentNodes objectForKey:inputNode];
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self.value = fmodf(parent.value, modulus.floatValue);
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}
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@end
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