mojo/runner/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_RUNNER_TASK_RUNNERS_H_
   6 #define MOJO_RUNNER_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/threading/thread.h"
  12
  13 namespace base {
  14 class SequencedWorkerPool;
  15 }
  16
  17 namespace mojo {
  18 namespace runner {
  19
  20 // A context object that contains the common task runners for the shell's main
  21 // process.
  22 class TaskRunners {
  23  public:
  24   explicit TaskRunners(
  25       const scoped_refptr<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_->task_runner().get();
  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 runner
  50 }  // namespace mojo
  51
  52 #endif  // MOJO_RUNNER_TASK_RUNNERS_H_