mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Joshua Gross
5d33e65694
Summary: See previous diffs for context. This updates all of the relevant props structs. Changelog: [Internal] Reviewed By: mdvacca Differential Revision: D29855426 fbshipit-source-id: 30177c3380ef82ecf8f2a4321f128cfbe8a576e0
68 lines
2.1 KiB
C++
68 lines
2.1 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 "ParagraphShadowNode.h"
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#include <react/config/ReactNativeConfig.h>
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#include <react/debug/react_native_assert.h>
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#include <react/renderer/components/view/ViewPropsInterpolation.h>
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#include <react/renderer/core/ConcreteComponentDescriptor.h>
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#include <react/renderer/textlayoutmanager/TextLayoutManager.h>
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#include <react/utils/ContextContainer.h>
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namespace facebook {
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namespace react {
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/*
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* Descriptor for <Paragraph> component.
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*/
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class ParagraphComponentDescriptor final
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: public ConcreteComponentDescriptor<ParagraphShadowNode> {
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public:
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ParagraphComponentDescriptor(ComponentDescriptorParameters const ¶meters)
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: ConcreteComponentDescriptor<ParagraphShadowNode>(parameters) {
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// Every single `ParagraphShadowNode` will have a reference to
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// a shared `TextLayoutManager`.
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textLayoutManager_ = std::make_shared<TextLayoutManager>(contextContainer_);
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}
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virtual SharedProps interpolateProps(
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const PropsParserContext &context,
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float animationProgress,
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const SharedProps &props,
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const SharedProps &newProps) const override {
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SharedProps interpolatedPropsShared = cloneProps(context, newProps, {});
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interpolateViewProps(
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animationProgress, props, newProps, interpolatedPropsShared);
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return interpolatedPropsShared;
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};
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protected:
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void adopt(ShadowNode::Unshared const &shadowNode) const override {
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ConcreteComponentDescriptor::adopt(shadowNode);
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react_native_assert(
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std::dynamic_pointer_cast<ParagraphShadowNode>(shadowNode));
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auto paragraphShadowNode =
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std::static_pointer_cast<ParagraphShadowNode>(shadowNode);
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// `ParagraphShadowNode` uses `TextLayoutManager` to measure text content
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// and communicate text rendering metrics to mounting layer.
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paragraphShadowNode->setTextLayoutManager(textLayoutManager_);
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}
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private:
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SharedTextLayoutManager textLayoutManager_;
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};
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} // namespace react
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} // namespace facebook
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