chromium/ui/base/user_activity/user_activity_observer.h

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_BASE_USER_ACTIVITY_USER_ACTIVITY_OBSERVER_H_
#define UI_BASE_USER_ACTIVITY_USER_ACTIVITY_OBSERVER_H_

#include "base/component_export.h"

namespace ui {
class Event;
}

namespace ui {

// Interface for classes that want to be notified about user activity.
// Implementations should register themselves with UserActivityDetector.
class COMPONENT_EXPORT(UI_BASE) UserActivityObserver { … };

}  // namespace ui

#endif  // UI_BASE_USER_ACTIVITY_USER_ACTIVITY_OBSERVER_H_