chrome/browser/chromeos/idle_detector.h

   1 // Copyright 2014 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 CHROME_BROWSER_CHROMEOS_IDLE_DETECTOR_H_
   6 #define CHROME_BROWSER_CHROMEOS_IDLE_DETECTOR_H_
   7
   8 #include "ash/wm/user_activity_observer.h"
   9 #include "base/basictypes.h"
  10 #include "base/compiler_specific.h"
  11 #include "base/timer/timer.h"
  12
  13 namespace chromeos {
  14
  15 class IdleDetector : public ash::UserActivityObserver {
  16  public:
  17   IdleDetector(const base::Closure& on_active_callback,
  18                const base::Closure& on_idle_callback);
  19   virtual ~IdleDetector();
  20
  21   void Start(const base::TimeDelta& timeout);
  22
  23  private:
  24   // UserActivityObserver overrides:
  25   virtual void OnUserActivity(const ui::Event* event) OVERRIDE;
  26
  27   // Resets |timer_| to fire when we reach our idle timeout.
  28   void ResetTimer();
  29
  30   base::OneShotTimer<IdleDetector> timer_;
  31
  32   base::Closure active_callback_;
  33   base::Closure idle_callback_;
  34
  35   base::TimeDelta timeout_;
  36
  37   DISALLOW_COPY_AND_ASSIGN(IdleDetector);
  38 };
  39
  40 }  // namespace chromeos
  41
  42 #endif  // CHROME_BROWSER_CHROMEOS_IDLE_DETECTOR_H_