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- /*
- * Copyright (c) Facebook, Inc. and its affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
- #pragma once
- #include <react/core/ShadowNode.h>
- #include <react/mounting/ShadowViewMutation.h>
- namespace facebook {
- namespace react {
- enum class DifferentiatorMode { Classic, OptimizedMoves };
- /*
- * Calculates a list of view mutations which describes how the old
- * `ShadowTree` can be transformed to the new one.
- * The list of mutations might be and might not be optimal.
- */
- ShadowViewMutationList calculateShadowViewMutations(
- DifferentiatorMode differentiatorMode,
- ShadowNode const &oldRootShadowNode,
- ShadowNode const &newRootShadowNode);
- /*
- * Generates a list of `ShadowViewNodePair`s that represents a layer of a
- * flattened view hierarchy.
- */
- ShadowViewNodePair::List sliceChildShadowNodeViewPairs(
- ShadowNode const &shadowNode);
- } // namespace react
- } // namespace facebook
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