Files
react-native/ReactCommon/react/renderer/components/text/paragraph/ParagraphComponentDescriptor.h
T
David Vacca 3093010ea5 move fabric to ReactCommon/react/renderer
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
2020-07-31 13:34:29 -07:00

71 lines
2.2 KiB
C++

/*
* 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 "ParagraphShadowNode.h"
#include <react/config/ReactNativeConfig.h>
#include <react/renderer/components/view/ViewPropsInterpolation.h>
#include <react/renderer/core/ConcreteComponentDescriptor.h>
#include <react/renderer/textlayoutmanager/TextLayoutManager.h>
#include <react/utils/ContextContainer.h>
namespace facebook {
namespace react {
/*
* Descriptor for <Paragraph> component.
*/
class ParagraphComponentDescriptor final
: public ConcreteComponentDescriptor<ParagraphShadowNode> {
public:
ParagraphComponentDescriptor(ComponentDescriptorParameters const &parameters)
: ConcreteComponentDescriptor<ParagraphShadowNode>(parameters) {
// Every single `ParagraphShadowNode` will have a reference to
// a shared `TextLayoutManager`.
textLayoutManager_ = std::make_shared<TextLayoutManager>(contextContainer_);
}
virtual SharedProps interpolateProps(
float animationProgress,
const SharedProps &props,
const SharedProps &newProps) const override {
SharedProps interpolatedPropsShared = cloneProps(newProps, {});
interpolateViewProps(
animationProgress, props, newProps, interpolatedPropsShared);
return interpolatedPropsShared;
};
protected:
void adopt(UnsharedShadowNode shadowNode) const override {
ConcreteComponentDescriptor::adopt(shadowNode);
assert(std::dynamic_pointer_cast<ParagraphShadowNode>(shadowNode));
auto paragraphShadowNode =
std::static_pointer_cast<ParagraphShadowNode>(shadowNode);
// `ParagraphShadowNode` uses `TextLayoutManager` to measure text content
// and communicate text rendering metrics to mounting layer.
paragraphShadowNode->setTextLayoutManager(textLayoutManager_);
paragraphShadowNode->dirtyLayout();
// All `ParagraphShadowNode`s must have leaf Yoga nodes with properly
// setup measure function.
paragraphShadowNode->enableMeasurement();
}
private:
SharedTextLayoutManager textLayoutManager_;
};
} // namespace react
} // namespace facebook