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66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#define FML_USED_ON_EMBEDDER
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#include "flutter/fml/task_runner.h"
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#include "flutter/fml/memory/task_runner_checker.h"
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#include <utility>
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#include "flutter/fml/logging.h"
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#include "flutter/fml/message_loop.h"
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#include "flutter/fml/message_loop_impl.h"
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#include "flutter/fml/message_loop_task_queues.h"
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namespace fml {
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TaskRunner::TaskRunner(fml::RefPtr<MessageLoopImpl> loop)
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: loop_(std::move(loop)) {}
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TaskRunner::~TaskRunner() = default;
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void TaskRunner::PostTask(const fml::closure& task) {
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loop_->PostTask(task, fml::TimePoint::Now());
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}
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void TaskRunner::PostTaskForTime(const fml::closure& task,
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fml::TimePoint target_time) {
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loop_->PostTask(task, target_time);
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}
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void TaskRunner::PostDelayedTask(const fml::closure& task,
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fml::TimeDelta delay) {
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loop_->PostTask(task, fml::TimePoint::Now() + delay);
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}
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TaskQueueId TaskRunner::GetTaskQueueId() {
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FML_DCHECK(loop_);
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return loop_->GetTaskQueueId();
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}
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bool TaskRunner::RunsTasksOnCurrentThread() {
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if (!fml::MessageLoop::IsInitializedForCurrentThread()) {
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return false;
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}
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const auto current_queue_id = MessageLoop::GetCurrentTaskQueueId();
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const auto loop_queue_id = loop_->GetTaskQueueId();
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return TaskRunnerChecker::RunsOnTheSameThread(current_queue_id,
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loop_queue_id);
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}
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void TaskRunner::RunNowOrPostTask(const fml::RefPtr<fml::TaskRunner>& runner,
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const fml::closure& task) {
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FML_DCHECK(runner);
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if (runner->RunsTasksOnCurrentThread()) {
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task();
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} else {
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runner->PostTask(task);
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}
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}
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} // namespace fml
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