mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Valentin Shergin
1aab70d0e2
Summary: Cloning subtrees is not something specific to a RootNode, so it makes sense to have it in ShadowNode. Soon we will use that to clone subtrees inside Paragraph component to implement Inline Views. Changelog: [Internal] Fabric-specific internal change. Reviewed By: mdvacca Differential Revision: D20090666 fbshipit-source-id: 0a64ef9bda438cd55d5fd21d3ad83b36221fa89e
51 lines
1.2 KiB
C++
51 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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#include "RootShadowNode.h"
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#include <react/components/view/conversions.h>
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#include <react/debug/SystraceSection.h>
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namespace facebook {
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namespace react {
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const char RootComponentName[] = "RootView";
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bool RootShadowNode::layoutIfNeeded(
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std::vector<LayoutableShadowNode const *> *affectedNodes) {
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SystraceSection s("RootShadowNode::layout");
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if (getIsLayoutClean()) {
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return false;
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}
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ensureUnsealed();
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auto layoutContext = getConcreteProps().layoutContext;
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layoutContext.affectedNodes = affectedNodes;
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layoutTree(layoutContext, getConcreteProps().layoutConstraints);
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return true;
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}
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RootShadowNode::Unshared RootShadowNode::clone(
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LayoutConstraints const &layoutConstraints,
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LayoutContext const &layoutContext) const {
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auto props = std::make_shared<RootProps const>(
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getConcreteProps(), layoutConstraints, layoutContext);
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auto newRootShadowNode = std::make_shared<RootShadowNode>(
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*this,
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ShadowNodeFragment{
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/* .props = */ props,
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});
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return newRootShadowNode;
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}
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} // namespace react
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} // namespace facebook
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