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      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 ASH_SYSTEM_CHROMEOS_POWER_USER_ACTIVITY_NOTIFIER_H_
      6 #define ASH_SYSTEM_CHROMEOS_POWER_USER_ACTIVITY_NOTIFIER_H_
      7 
      8 #include "ash/wm/user_activity_observer.h"
      9 #include "base/basictypes.h"
     10 #include "base/compiler_specific.h"
     11 #include "base/time/time.h"
     12 
     13 namespace ash {
     14 
     15 class UserActivityDetector;
     16 
     17 namespace internal {
     18 
     19 // Notifies the power manager when the user is active.
     20 class UserActivityNotifier : public UserActivityObserver {
     21  public:
     22   explicit UserActivityNotifier(UserActivityDetector* detector);
     23   virtual ~UserActivityNotifier();
     24 
     25   // UserActivityObserver implementation.
     26   virtual void OnUserActivity(const ui::Event* event) OVERRIDE;
     27 
     28  private:
     29   UserActivityDetector* detector_;  // not owned
     30 
     31   // Last time that the power manager was notified.
     32   base::TimeTicks last_notify_time_;
     33 
     34   DISALLOW_COPY_AND_ASSIGN(UserActivityNotifier);
     35 };
     36 
     37 }  // namespace internal
     38 }  // namespace ash
     39 
     40 #endif  // ASH_SYSTEM_CHROMEOS_POWER_USER_ACTIVITY_NOTIFIER_H_
     41