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c858420b2d
Summary: This diff attempts to fix a number of iOS native animation bugs related to improper node invalidation and a race with view creation. The major issues were presented in #9120 as problems 3 and 3b, but I'll recap here: The invalidation model we use is overly complicated and incomplete. The proper combination of `_needsUpdate` and `_hasUpdated` will result in nodes values being recomputed. However, we do not invalidate nodes in all the places we should, e.g. if we create a new view and attach it to an existing value node (see example in #9120). This diff chooses to remove the `_hasUpdated` flag, and simply relies on the `_needsUpdate` flag to mark a node as dirty. We mark nodes as dirty when they are: - created - updated - attached to new parents - detached from old parents - attached to a view Calling `updateNodeIfNecessary` will, if necessary, compute all invalidated parent values before recomputing the node value. It will then apply the update, and mark the no Closes https://github.com/facebook/react-native/pull/10663 Differential Revision: D4120301 Pulled By: mkonicek fbshipit-source-id: e247afcb5d8c15999b8328c664b9f7e764d76a75
39 lines
1.1 KiB
Objective-C
39 lines
1.1 KiB
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 <Foundation/Foundation.h>
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#import <CoreGraphics/CoreGraphics.h>
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#import <React/RCTBridgeModule.h>
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@class RCTValueAnimatedNode;
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NS_ASSUME_NONNULL_BEGIN
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@protocol RCTAnimationDriver <NSObject>
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@property (nonatomic, readonly) NSNumber *animationId;
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@property (nonatomic, readonly) RCTValueAnimatedNode *valueNode;
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@property (nonatomic, readonly) BOOL animationHasBegun;
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@property (nonatomic, readonly) BOOL animationHasFinished;
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- (instancetype)initWithId:(NSNumber *)animationId
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config:(NSDictionary *)config
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forNode:(RCTValueAnimatedNode *)valueNode
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callBack:(nullable RCTResponseSenderBlock)callback;
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- (void)startAnimation;
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- (void)stopAnimation;
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- (void)stepAnimation;
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- (void)removeAnimation;
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NS_ASSUME_NONNULL_END
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@end
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