// Copyright (c) 2012 The Chromium 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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#include "base/message_loop/message_loop_task_runner.h"
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#include <utility>
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#include "base/location.h"
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#include "base/logging.h"
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#include "base/message_loop/incoming_task_queue.h"
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namespace base {
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namespace internal {
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MessageLoopTaskRunner::MessageLoopTaskRunner(
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scoped_refptr<IncomingTaskQueue> incoming_queue)
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: incoming_queue_(incoming_queue), valid_thread_id_(kInvalidThreadId) {
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}
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void MessageLoopTaskRunner::BindToCurrentThread() {
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AutoLock lock(valid_thread_id_lock_);
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DCHECK_EQ(kInvalidThreadId, valid_thread_id_);
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valid_thread_id_ = PlatformThread::CurrentId();
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}
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bool MessageLoopTaskRunner::PostDelayedTask(const Location& from_here,
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OnceClosure task,
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base::TimeDelta delay) {
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DCHECK(!task.is_null()) << from_here.ToString();
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return incoming_queue_->AddToIncomingQueue(from_here, std::move(task), delay,
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Nestable::kNestable);
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}
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bool MessageLoopTaskRunner::PostNonNestableDelayedTask(
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const Location& from_here,
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OnceClosure task,
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base::TimeDelta delay) {
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DCHECK(!task.is_null()) << from_here.ToString();
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return incoming_queue_->AddToIncomingQueue(from_here, std::move(task), delay,
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Nestable::kNonNestable);
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}
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bool MessageLoopTaskRunner::RunsTasksInCurrentSequence() const {
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AutoLock lock(valid_thread_id_lock_);
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return valid_thread_id_ == PlatformThread::CurrentId();
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}
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MessageLoopTaskRunner::~MessageLoopTaskRunner() = default;
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} // namespace internal
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} // namespace base
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