jiuyiUniapp/service/node_modules/react-native/ReactCommon/react/renderer/runtimescheduler/Task.cpp

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2025-02-13 09:59:20 +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 "RuntimeScheduler.h"
namespace facebook::react {
Task::Task(
SchedulerPriority priority,
jsi::Function&& callback,
std::chrono::steady_clock::time_point expirationTime)
: priority(priority),
callback(std::move(callback)),
expirationTime(expirationTime) {}
Task::Task(
SchedulerPriority priority,
RawCallback&& callback,
std::chrono::steady_clock::time_point expirationTime)
: priority(priority),
callback(std::move(callback)),
expirationTime(expirationTime) {}
jsi::Value Task::execute(jsi::Runtime& runtime, bool didUserCallbackTimeout) {
auto result = jsi::Value::undefined();
// Canceled task doesn't have a callback.
if (!callback) {
return result;
}
// We get the value of the callback and reset it immediately to avoid it being
// called more than once (including when the callback throws).
auto originalCallback = std::move(*callback);
callback.reset();
if (originalCallback.index() == 0) {
// Callback in JavaScript is expecting a single bool parameter.
// React team plans to remove it in the future when a scheduler bug on web
// is resolved.
result = std::get<jsi::Function>(originalCallback)
.call(runtime, {didUserCallbackTimeout});
} else {
// Calling a raw callback
std::get<RawCallback>(originalCallback)(runtime);
}
return result;
}
} // namespace facebook::react