Files
Fluxup_PAP/node_modules/react-native/ReactCommon/react/renderer/animations/utils.h
2026-03-10 16:18:05 +00:00

106 lines
3.3 KiB
C++

/*
* Copyright (c) Meta Platforms, Inc. and 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/animations/primitives.h>
#include <react/renderer/graphics/Float.h>
#include <react/renderer/mounting/ShadowViewMutation.h>
namespace facebook::react {
static inline bool shouldFirstComeBeforeSecondRemovesOnly(
const ShadowViewMutation &lhs,
const ShadowViewMutation &rhs) noexcept
{
// Make sure that removes on the same level are sorted - highest indices must
// come first.
return (lhs.type == ShadowViewMutation::Type::Remove && lhs.type == rhs.type) && (lhs.parentTag == rhs.parentTag) &&
(lhs.index > rhs.index);
}
static inline void handleShouldFirstComeBeforeSecondRemovesOnly(ShadowViewMutation::List &list) noexcept
{
std::unordered_map<std::string, std::vector<ShadowViewMutation>> removeMutationsByTag;
ShadowViewMutation::List finalList;
for (auto &mutation : list) {
if (mutation.type == ShadowViewMutation::Type::Remove) {
auto key = std::to_string(mutation.parentTag);
removeMutationsByTag[key].push_back(mutation);
} else {
finalList.push_back(mutation);
}
}
if (removeMutationsByTag.empty()) {
return;
}
for (auto &mutationsPair : removeMutationsByTag) {
if (mutationsPair.second.size() > 1) {
std::stable_sort(
mutationsPair.second.begin(), mutationsPair.second.end(), &shouldFirstComeBeforeSecondRemovesOnly);
}
finalList.insert(finalList.begin(), mutationsPair.second.begin(), mutationsPair.second.end());
}
list = finalList;
}
static inline bool shouldFirstComeBeforeSecondMutation(
const ShadowViewMutation &lhs,
const ShadowViewMutation &rhs) noexcept
{
if (lhs.type != rhs.type) {
// Deletes always come last
if (lhs.type == ShadowViewMutation::Type::Delete) {
return false;
}
if (rhs.type == ShadowViewMutation::Type::Delete) {
return true;
}
// Remove comes before insert
if (lhs.type == ShadowViewMutation::Type::Remove && rhs.type == ShadowViewMutation::Type::Insert) {
return true;
}
if (rhs.type == ShadowViewMutation::Type::Remove && lhs.type == ShadowViewMutation::Type::Insert) {
return false;
}
// Create comes before insert
if (lhs.type == ShadowViewMutation::Type::Create && rhs.type == ShadowViewMutation::Type::Insert) {
return true;
}
if (rhs.type == ShadowViewMutation::Type::Create && lhs.type == ShadowViewMutation::Type::Insert) {
return false;
}
// Remove comes before Update
if (lhs.type == ShadowViewMutation::Type::Remove && rhs.type == ShadowViewMutation::Type::Update) {
return true;
}
if (rhs.type == ShadowViewMutation::Type::Remove && lhs.type == ShadowViewMutation::Type::Update) {
return false;
}
} else {
// Make sure that removes on the same level are sorted - highest indices
// must come first.
if (lhs.type == ShadowViewMutation::Type::Remove && lhs.parentTag == rhs.parentTag) {
return lhs.index > rhs.index;
}
}
return &lhs < &rhs;
}
std::pair<Float, Float>
calculateAnimationProgress(uint64_t now, const LayoutAnimation &animation, const AnimationConfig &mutationConfig);
} // namespace facebook::react