Files
react-native/ReactCommon/react/renderer/core/layout/LayoutMetrics.h
T
David VaccaandFacebook GitHub Bot 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

67 lines
1.8 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 <react/renderer/core/LayoutPrimitives.h>
#include <react/renderer/graphics/Geometry.h>
namespace facebook {
namespace react {
/*
* Describes results of layout process for particular shadow node.
*/
struct LayoutMetrics {
Rect frame;
EdgeInsets contentInsets{0};
EdgeInsets borderWidth{0};
DisplayType displayType{DisplayType::Flex};
LayoutDirection layoutDirection{LayoutDirection::Undefined};
Float pointScaleFactor{1.0};
EdgeInsets overflowInset{};
Rect getContentFrame() const {
return Rect{
Point{contentInsets.left, contentInsets.top},
Size{frame.size.width - contentInsets.left - contentInsets.right,
frame.size.height - contentInsets.top - contentInsets.bottom}};
}
bool operator==(const LayoutMetrics &rhs) const {
return std::tie(
this->frame,
this->contentInsets,
this->borderWidth,
this->displayType,
this->layoutDirection,
this->pointScaleFactor) ==
std::tie(
rhs.frame,
rhs.contentInsets,
rhs.borderWidth,
rhs.displayType,
rhs.layoutDirection,
rhs.pointScaleFactor);
}
bool operator!=(const LayoutMetrics &rhs) const {
return !(*this == rhs);
}
};
/*
* Represents some undefined, not-yet-computed or meaningless value of
* `LayoutMetrics` type.
* The value is comparable by equality with any other `LayoutMetrics` value.
*/
static LayoutMetrics const EmptyLayoutMetrics = {
/* .frame = */ {{0, 0}, {-1.0, -1.0}}};
} // namespace react
} // namespace facebook