mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Joshua Gross
6864e5f3ac
Summary: The "reparenting differ" has been the default differ for several months; ship it by removing config and the old differ. Some functions can't be deleted yet because unit testing relies on it heavily; this can be refactored in the future if we care a lot. Changelog: [Internal] Reviewed By: mdvacca Differential Revision: D25257205 fbshipit-source-id: 6f1dcc490bb1efe3d12506addf5f0843ca48c5c6
45 lines
1.3 KiB
C++
45 lines
1.3 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 <react/renderer/core/ShadowNode.h>
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#include <react/renderer/mounting/ShadowViewMutation.h>
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namespace facebook {
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namespace react {
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enum class ReparentMode { Flatten, Unflatten };
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/*
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* Calculates a list of view mutations which describes how the old
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* `ShadowTree` can be transformed to the new one.
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* The list of mutations might be and might not be optimal.
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*/
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ShadowViewMutationList calculateShadowViewMutations(
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ShadowNode const &oldRootShadowNode,
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ShadowNode const &newRootShadowNode);
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/**
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* Generates a list of `ShadowViewNodePair`s that represents a layer of a
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* flattened view hierarchy. The V2 version preserves nodes even if they do
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* not form views and their children are flattened.
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*/
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ShadowViewNodePair::List sliceChildShadowNodeViewPairsV2(
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ShadowNode const &shadowNode,
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bool allowFlattened = false);
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/*
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* Generates a list of `ShadowViewNodePair`s that represents a layer of a
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* flattened view hierarchy. This is *only* used by unit tests currently.
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*/
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ShadowViewNodePair::List sliceChildShadowNodeViewPairsLegacy(
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ShadowNode const &shadowNode);
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} // namespace react
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} // namespace facebook
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