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* ui_runner); 26 ~TaskRunners(); 27 ui_runner()28 base::SingleThreadTaskRunner* ui_runner() const { 29 return ui_runner_.get(); 30 } 31 io_runner()32 base::SingleThreadTaskRunner* io_runner() const { 33 return io_thread_->message_loop_proxy(); 34 } 35 blocking_pool()36 base::SequencedWorkerPool* blocking_pool() const { 37 return blocking_pool_.get(); 38 } 39 40 private: 41 // TODO(beng): should this be named shell_runner_? 42 scoped_refptr<base::SingleThreadTaskRunner> ui_runner_; 43 scoped_ptr<base::Thread> io_thread_; 44 45 scoped_refptr<base::SequencedWorkerPool> blocking_pool_; 46 47 DISALLOW_COPY_AND_ASSIGN(TaskRunners); 48 }; 49 50 } // namespace shell 51 } // namespace mojo 52 53 #endif // MOJO_SHELL_TASK_RUNNERS_H_ 54