react-native-get-pixel_edit/node_modules/react-native/ReactCommon/react/renderer/timeline/TimelineController.cpp
2025-07-09 11:41:52 +09:00

75 lines
2.1 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.
*/
#include "TimelineController.h"
#include <react/renderer/mounting/ShadowTree.h>
#include <react/renderer/uimanager/UIManager.h>
namespace facebook::react {
TimelineHandler TimelineController::enable(SurfaceId surfaceId) const {
assert(uiManager_);
const ShadowTree* shadowTreePtr = nullptr;
uiManager_->getShadowTreeRegistry().visit(
surfaceId,
[&](const ShadowTree& shadowTree) { shadowTreePtr = &shadowTree; });
assert(shadowTreePtr);
{
std::unique_lock<std::shared_mutex> lock(timelinesMutex_);
auto timeline = std::make_unique<Timeline>(*shadowTreePtr);
auto handler = TimelineHandler{*timeline};
timelines_.emplace(surfaceId, std::move(timeline));
return handler;
}
}
void TimelineController::disable(TimelineHandler&& handler) const {
std::unique_lock<std::shared_mutex> lock(timelinesMutex_);
auto iterator = timelines_.find(handler.getSurfaceId());
assert(iterator != timelines_.end());
timelines_.erase(iterator);
handler.release();
}
void TimelineController::commitHookWasRegistered(
const UIManager& uiManager) noexcept {
uiManager_ = &uiManager;
}
void TimelineController::commitHookWasUnregistered(
const UIManager& /*uiManager*/) noexcept {
uiManager_ = nullptr;
}
RootShadowNode::Unshared TimelineController::shadowTreeWillCommit(
const ShadowTree& shadowTree,
const RootShadowNode::Shared& oldRootShadowNode,
const RootShadowNode::Unshared& newRootShadowNode) noexcept {
std::shared_lock<std::shared_mutex> lock(timelinesMutex_);
assert(uiManager_ && "`uiManager_` must not be `nullptr`.");
lastUpdatedSurface_ = shadowTree.getSurfaceId();
auto iterator = timelines_.find(shadowTree.getSurfaceId());
if (iterator == timelines_.end()) {
return newRootShadowNode;
}
auto& timeline = *iterator->second;
return timeline.shadowTreeWillCommit(
shadowTree, oldRootShadowNode, newRootShadowNode);
}
} // namespace facebook::react