Upstream version 9.38.198.0
[platform/framework/web/crosswalk.git] / src / mojo / shell / task_runners.h
1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef MOJO_SHELL_TASK_RUNNERS_H_
6 #define MOJO_SHELL_TASK_RUNNERS_H_
7
8 #include "base/macros.h"
9 #include "base/memory/ref_counted.h"
10 #include "base/memory/scoped_ptr.h"
11 #include "base/message_loop/message_loop_proxy.h"
12 #include "base/threading/thread.h"
13
14 namespace base {
15 class SequencedWorkerPool;
16 }
17
18 namespace mojo {
19 namespace shell {
20
21 // A context object that contains the common task runners for the shell's main
22 // process.
23 class TaskRunners {
24  public:
25   explicit TaskRunners(base::SingleThreadTaskRunner* shell_runner);
26   ~TaskRunners();
27
28   base::SingleThreadTaskRunner* shell_runner() const {
29     return shell_runner_.get();
30   }
31
32   base::SingleThreadTaskRunner* io_runner() const {
33     return io_thread_->message_loop_proxy();
34   }
35
36   base::SequencedWorkerPool* blocking_pool() const {
37     return blocking_pool_.get();
38   }
39
40  private:
41   scoped_refptr<base::SingleThreadTaskRunner> shell_runner_;
42   scoped_ptr<base::Thread> io_thread_;
43
44   scoped_refptr<base::SequencedWorkerPool> blocking_pool_;
45
46   DISALLOW_COPY_AND_ASSIGN(TaskRunners);
47 };
48
49 }  // namespace shell
50 }  // namespace mojo
51
52 #endif  // MOJO_SHELL_TASK_RUNNERS_H_