mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
David Vacca
3093010ea5
Summary: This diff moves fabric C++ code from ReactCommon/fabric to ReactCommon/react/renderer As part of this diff I also refactored components, codegen and callsites on CatalystApp, FB4A and venice Script: P137350694 changelog: [internal] internal refactor Reviewed By: fkgozali Differential Revision: D22852139 fbshipit-source-id: f85310ba858b6afd81abfd9cbe6d70b28eca7415
47 lines
1.2 KiB
C++
47 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 "ScrollViewShadowNode.h"
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#include <react/renderer/core/LayoutMetrics.h>
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namespace facebook {
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namespace react {
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const char ScrollViewComponentName[] = "ScrollView";
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void ScrollViewShadowNode::updateStateIfNeeded() {
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ensureUnsealed();
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auto contentBoundingRect = Rect{};
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for (const auto &childNode : getLayoutableChildNodes()) {
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contentBoundingRect.unionInPlace(childNode->getLayoutMetrics().frame);
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}
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auto state = getStateData();
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if (state.contentBoundingRect != contentBoundingRect) {
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state.contentBoundingRect = contentBoundingRect;
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setStateData(std::move(state));
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}
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}
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#pragma mark - LayoutableShadowNode
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void ScrollViewShadowNode::layout(LayoutContext layoutContext) {
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ConcreteViewShadowNode::layout(layoutContext);
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updateStateIfNeeded();
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}
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Point ScrollViewShadowNode::getContentOriginOffset() const {
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auto contentOffset = getStateData().contentOffset;
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return {-contentOffset.x, -contentOffset.y};
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}
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} // namespace react
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} // namespace facebook
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