components/scheduler/child/worker_scheduler.h

   1 // Copyright 2015 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 COMPONENTS_SCHEDULER_CHILD_WORKER_SCHEDULER_H_
   6 #define COMPONENTS_SCHEDULER_CHILD_WORKER_SCHEDULER_H_
   7
   8 #include "base/message_loop/message_loop.h"
   9 #include "components/scheduler/child/child_scheduler.h"
  10 #include "components/scheduler/child/single_thread_idle_task_runner.h"
  11 #include "components/scheduler/scheduler_export.h"
  12
  13 namespace base {
  14 class MessageLoop;
  15 }
  16
  17 namespace scheduler {
  18 class SchedulerTaskRunnerDelegate;
  19
  20 class SCHEDULER_EXPORT WorkerScheduler : public ChildScheduler {
  21  public:
  22   ~WorkerScheduler() override;
  23   static scoped_ptr<WorkerScheduler> Create(
  24       scoped_refptr<SchedulerTaskRunnerDelegate> main_task_runner);
  25
  26   // Must be called before the scheduler can be used. Does any post construction
  27   // initialization needed such as initializing idle period detection.
  28   virtual void Init() = 0;
  29
  30  protected:
  31   WorkerScheduler();
  32   DISALLOW_COPY_AND_ASSIGN(WorkerScheduler);
  33 };
  34
  35 }  // namespace scheduler
  36
  37 #endif  // COMPONENTS_SCHEDULER_CHILD_WORKER_SCHEDULER_H_