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48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
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// Copyright 2018 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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#ifndef BASE_TASK_SEQUENCE_MANAGER_TASK_QUEUE_TASK_RUNNER_H_
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#define BASE_TASK_SEQUENCE_MANAGER_TASK_QUEUE_TASK_RUNNER_H_
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#include "base/single_thread_task_runner.h"
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namespace base {
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namespace sequence_manager {
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class TaskQueue;
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namespace internal {
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// TODO(kraynov): Post tasks to a TaskQueue solely using this task runner and
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// drop SingleThreadTaskRunner implementation in the TaskQueue class.
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// See https://crbug.com/865411.
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class BASE_EXPORT TaskQueueTaskRunner : public SingleThreadTaskRunner {
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public:
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// TODO(kraynov): Use TaskQueueTaskProxy that will be detachable
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// from TaskQueue(Impl) when it's getting shutdown.
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TaskQueueTaskRunner(scoped_refptr<TaskQueue> task_queue, int task_type);
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bool PostDelayedTask(const Location& location,
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OnceClosure callback,
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TimeDelta delay) override;
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bool PostNonNestableDelayedTask(const Location& location,
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OnceClosure callback,
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TimeDelta delay) override;
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bool RunsTasksInCurrentSequence() const override;
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private:
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~TaskQueueTaskRunner() override; // Ref-counted.
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scoped_refptr<TaskQueue> task_queue_;
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const int task_type_;
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DISALLOW_COPY_AND_ASSIGN(TaskQueueTaskRunner);
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};
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} // namespace internal
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} // namespace sequence_manager
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} // namespace base
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#endif // BASE_TASK_SEQUENCE_MANAGER_TASK_QUEUE_TASK_RUNNER_H_
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