mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
David Vacca
4076293aa1
Summary: The purpose of this diff is to ensure that visibility changes are handled correctly when the value of "display" for a View changes from 'flex' to 'none'. RNTester is nesting several Views with different kind of visibilities. When the user tap on an item there's a state update that changes the visibility styles for some of these views. Fabric does not reflect the right changes of visibility on the screen. changelog: internal Reviewed By: shergin Differential Revision: D25841763 fbshipit-source-id: 769b97afb72939d346a4c6f2669ff938b35596bc
75 lines
1.7 KiB
C++
75 lines
1.7 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 <react/renderer/core/LayoutPrimitives.h>
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namespace facebook {
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namespace react {
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inline std::string toString(const LayoutDirection &layoutDirection) {
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switch (layoutDirection) {
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case LayoutDirection::Undefined:
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return "undefined";
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case LayoutDirection::LeftToRight:
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return "ltr";
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case LayoutDirection::RightToLeft:
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return "rtl";
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}
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}
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inline int toInt(const LayoutDirection &layoutDirection) {
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switch (layoutDirection) {
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case LayoutDirection::Undefined:
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return 0;
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case LayoutDirection::LeftToRight:
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return 1;
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case LayoutDirection::RightToLeft:
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return 2;
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}
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}
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inline int toInt(const DisplayType &displayType) {
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switch (displayType) {
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case DisplayType::None:
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return 0;
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case DisplayType::Flex:
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return 1;
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case DisplayType::Inline:
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return 2;
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}
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}
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inline std::string toString(const DisplayType &displayType) {
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switch (displayType) {
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case DisplayType::None:
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return "none";
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case DisplayType::Flex:
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return "flex";
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case DisplayType::Inline:
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return "inline";
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}
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}
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inline Size yogaMeassureToSize(int64_t value) {
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static_assert(
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sizeof(value) == 8,
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"Expected measureResult to be 8 bytes, or two 32 bit ints");
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int32_t wBits = 0xFFFFFFFF & (value >> 32);
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int32_t hBits = 0xFFFFFFFF & value;
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float *measuredWidth = reinterpret_cast<float *>(&wBits);
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float *measuredHeight = reinterpret_cast<float *>(&hBits);
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return {*measuredWidth, *measuredHeight};
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}
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} // namespace react
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} // namespace facebook
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