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 "base/basictypes.h" 9 #include "base/callback.h" 10 #include "base/compiler_specific.h" 11 #include "base/time/time.h" 12 #include "base/timer/timer.h" 13 #include "ui/wm/core/user_activity_observer.h" 14 15 namespace chromeos { 16 17 class IdleDetector : public wm::UserActivityObserver { 18 public: 19 IdleDetector(const base::Closure& on_active_callback, 20 const base::Closure& on_idle_callback); 21 virtual ~IdleDetector(); 22 23 void Start(const base::TimeDelta& timeout); 24 25 private: 26 // wm::UserActivityObserver overrides: 27 virtual void OnUserActivity(const ui::Event* event) OVERRIDE; 28 29 // Resets |timer_| to fire when we reach our idle timeout. 30 void ResetTimer(); 31 32 base::OneShotTimer<IdleDetector> timer_; 33 34 base::Closure active_callback_; 35 base::Closure idle_callback_; 36 37 base::TimeDelta timeout_; 38 39 DISALLOW_COPY_AND_ASSIGN(IdleDetector); 40 }; 41 42 } // namespace chromeos 43 44 #endif // CHROME_BROWSER_CHROMEOS_IDLE_DETECTOR_H_ 45
