mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Andres Suarez
3b31e69e28
Summary: Changelog: [General] [Fixed] - License header cleanup Reviewed By: yungsters Differential Revision: D17952694 fbshipit-source-id: 17c87de7ebb271fa2ac8d00af72a4d1addef8bd0
48 lines
1.3 KiB
C++
48 lines
1.3 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 <vector>
|
|
|
|
#include <react/core/LayoutableShadowNode.h>
|
|
#include <react/graphics/Geometry.h>
|
|
|
|
namespace facebook {
|
|
namespace react {
|
|
|
|
/*
|
|
* LayoutContext: Additional contextual information useful for particular
|
|
* layout approaches.
|
|
*/
|
|
struct LayoutContext {
|
|
/*
|
|
* Compound absolute position of the node relative to the root node.
|
|
*/
|
|
Point absolutePosition{0, 0};
|
|
|
|
/*
|
|
* Reflects the scale factor needed to convert from the logical coordinate
|
|
* space into the device coordinate space of the physical screen.
|
|
* Some layout systems *might* use this to round layout metric values
|
|
* to `pixel value`.
|
|
*/
|
|
Float pointScaleFactor{1.0};
|
|
|
|
/*
|
|
* A raw pointer to list of raw pointers to `LayoutableShadowNode`s that were
|
|
* affected by the re-layout pass. If the field is not `nullptr`, a particular
|
|
* `LayoutableShadowNode` implementation should add mutated nodes to this
|
|
* list. The order is not specified. Nothing in this collection is owing (on
|
|
* purpose), make sure the memory is managed responsibly.
|
|
*/
|
|
std::vector<LayoutableShadowNode const *> *affectedNodes{};
|
|
};
|
|
|
|
} // namespace react
|
|
} // namespace facebook
|