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https://github.com/status-im/react-native.git
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18d8c48c01
Summary: This diff changes how we expose UIManager to JavaScript realm and control ownership of it. This change should improve reliability and a thread-safety. UIManagerBinding is a HostObject which consolidate ownership of UIManager. Now JavaScript's GC controls its lifetime which eliminates the possibility of calling some JS facing methods of UIManager using a dangling pointer. Besides that, all API now imply that if the caller has a reference to jsi::Runtime, it calls the method on the proper thread (it's an implication of RuntimeExecutor design). Reviewed By: sahrens Differential Revision: D12876745 fbshipit-source-id: eb8c70317460df5b14e45031ad15fc6c8e5b5ce3
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
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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#pragma once
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#include <fabric/core/LocalData.h>
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#include <fabric/core/Props.h>
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#include <fabric/core/ReactPrimitives.h>
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#include <fabric/core/ShadowNode.h>
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#include <fabric/events/EventEmitter.h>
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namespace facebook {
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namespace react {
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/*
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* An object which supposed to be used as a parameter specifying a shape
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* of created or cloned ShadowNode.
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* Note: Most of the fields are `const &` references (essentially just raw
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* pointers) which means that the Fragment does not copy/store them or
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* retain ownership of them.
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*/
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struct ShadowNodeFragment {
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Tag tag = 0;
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Tag rootTag = 0;
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const SharedProps &props = nullSharedProps();
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const SharedEventEmitter &eventEmitter = nullSharedEventEmitter();
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const SharedShadowNodeSharedList &children = nullSharedChildren();
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const SharedLocalData &localData = nullLocalData();
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static SharedProps &nullSharedProps();
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static SharedEventEmitter &nullSharedEventEmitter();
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static SharedShadowNodeSharedList &nullSharedChildren();
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static SharedLocalData &nullLocalData();
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};
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} // namespace react
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} // namespace facebook
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