105 lines
2.8 KiB
C++
105 lines
2.8 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and 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 <ReactCommon/RuntimeExecutor.h>
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#include <cstdint>
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#include <unordered_map>
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#include <vector>
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#include "PlatformTimerRegistry.h"
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namespace facebook::react {
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using TimerHandle = int;
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enum class TimerSource {
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Unknown,
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SetTimeout,
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SetInterval,
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RequestAnimationFrame
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};
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/*
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* Wraps a jsi::Function to make it copyable so we can pass it into a lambda.
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*/
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struct TimerCallback {
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TimerCallback(
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jsi::Function callback,
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std::vector<jsi::Value> args,
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bool repeat,
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TimerSource source = TimerSource::Unknown)
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: callback_(std::move(callback)),
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args_(std::move(args)),
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repeat(repeat),
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source(source) {}
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void invoke(jsi::Runtime& runtime) {
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callback_.call(runtime, args_.data(), args_.size());
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}
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jsi::Function callback_;
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const std::vector<jsi::Value> args_;
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bool repeat;
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TimerSource source;
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};
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class TimerManager {
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public:
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explicit TimerManager(
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std::unique_ptr<PlatformTimerRegistry> platformTimerRegistry) noexcept;
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void setRuntimeExecutor(RuntimeExecutor runtimeExecutor) noexcept;
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void callReactNativeMicrotasks(jsi::Runtime& runtime);
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void callTimer(TimerHandle handle);
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void attachGlobals(jsi::Runtime& runtime);
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private:
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TimerHandle createReactNativeMicrotask(
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jsi::Function&& callback,
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std::vector<jsi::Value>&& args);
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void deleteReactNativeMicrotask(jsi::Runtime& runtime, TimerHandle handle);
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TimerHandle createTimer(
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jsi::Function&& callback,
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std::vector<jsi::Value>&& args,
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double delay,
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TimerSource source = TimerSource::Unknown);
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void deleteTimer(jsi::Runtime& runtime, TimerHandle handle);
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TimerHandle createRecurringTimer(
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jsi::Function&& callback,
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std::vector<jsi::Value>&& args,
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double delay,
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TimerSource source = TimerSource::Unknown);
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void deleteRecurringTimer(jsi::Runtime& runtime, TimerHandle handle);
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RuntimeExecutor runtimeExecutor_;
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std::unique_ptr<PlatformTimerRegistry> platformTimerRegistry_;
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// A map (id => callback func) of the currently active JS timers
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std::unordered_map<TimerHandle, TimerCallback> timers_;
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// Each timeout that is registered on this queue gets a sequential id. This
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// is the global count from which those are assigned.
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TimerHandle timerIndex_{0};
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// The React Native microtask queue is used to back public APIs including
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// `queueMicrotask`, `clearImmediate`, and `setImmediate` (which is used by
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// the Promise polyfill) when the JSVM microtask mechanism is not used.
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std::vector<TimerHandle> reactNativeMicrotasksQueue_;
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};
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} // namespace facebook::react
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