amis-rpc-design/node_modules/react-native/ReactCommon/react/renderer/scheduler/SynchronousEventBeat.cpp

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2023-10-07 19:42:30 +08:00
/*
* 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 "SynchronousEventBeat.h"
#include <react/debug/react_native_assert.h>
#include <utility>
namespace facebook::react {
SynchronousEventBeat::SynchronousEventBeat(
RunLoopObserver::Unique uiRunLoopObserver,
RuntimeExecutor runtimeExecutor,
std::shared_ptr<RuntimeScheduler> runtimeScheduler)
: EventBeat({}),
uiRunLoopObserver_(std::move(uiRunLoopObserver)),
runtimeExecutor_(std::move(runtimeExecutor)),
runtimeScheduler_(std::move(runtimeScheduler)) {
uiRunLoopObserver_->setDelegate(this);
uiRunLoopObserver_->enable();
}
void SynchronousEventBeat::activityDidChange(
RunLoopObserver::Delegate const *delegate,
RunLoopObserver::Activity /*activity*/) const noexcept {
react_native_assert(delegate == this);
lockExecutorAndBeat();
}
void SynchronousEventBeat::induce() const {
if (!this->isRequested_) {
return;
}
if (uiRunLoopObserver_->isOnRunLoopThread()) {
this->lockExecutorAndBeat();
}
}
void SynchronousEventBeat::lockExecutorAndBeat() const {
if (!this->isRequested_) {
return;
}
if (runtimeScheduler_) {
runtimeScheduler_->executeNowOnTheSameThread(
[this](jsi::Runtime &runtime) { beat(runtime); });
} else {
executeSynchronouslyOnSameThread_CAN_DEADLOCK(
runtimeExecutor_, [this](jsi::Runtime &runtime) { beat(runtime); });
}
}
} // namespace facebook::react