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      1 // Copyright (c) 2012 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_POWER_USER_ACTIVITY_NOTIFIER_H_
      6 #define CHROME_BROWSER_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 chromeos {
     14 
     15 // Notifies the power manager when the user is active.
     16 class UserActivityNotifier : public ash::UserActivityObserver {
     17  public:
     18   UserActivityNotifier();
     19   virtual ~UserActivityNotifier();
     20 
     21   // ash::UserActivityObserver implementation.
     22   virtual void OnUserActivity(const ui::Event* event) OVERRIDE;
     23 
     24  private:
     25   // Last time that the power manager was notified.
     26   base::TimeTicks last_notify_time_;
     27 
     28   DISALLOW_COPY_AND_ASSIGN(UserActivityNotifier);
     29 };
     30 
     31 }  // namespace chromeos
     32 
     33 #endif  // CHROME_BROWSER_CHROMEOS_POWER_USER_ACTIVITY_NOTIFIER_H_
     34