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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/wm/user_activity_detector.h"
#include "ash/wm/property_util.h"
#include "ash/wm/user_activity_observer.h"
#include "ui/base/events/event.h"
namespace ash {
const double UserActivityDetector::kNotifyIntervalMs = 200.0;
UserActivityDetector::UserActivityDetector() : ignore_next_mouse_event_(false) {
}
UserActivityDetector::~UserActivityDetector() {
}
bool UserActivityDetector::HasObserver(UserActivityObserver* observer) const {
return observers_.HasObserver(observer);
}
void UserActivityDetector::AddObserver(UserActivityObserver* observer) {
observers_.AddObserver(observer);
}
void UserActivityDetector::RemoveObserver(UserActivityObserver* observer) {
observers_.RemoveObserver(observer);
}
void UserActivityDetector::OnAllOutputsTurnedOff() {
ignore_next_mouse_event_ = true;
}
void UserActivityDetector::OnKeyEvent(ui::KeyEvent* event) {
MaybeNotify();
}
void UserActivityDetector::OnMouseEvent(ui::MouseEvent* event) {
VLOG_IF(1, ignore_next_mouse_event_) << "ignoring mouse event";
if (!(event->flags() & ui::EF_IS_SYNTHESIZED) &&
!ignore_next_mouse_event_)
MaybeNotify();
ignore_next_mouse_event_ = false;
}
void UserActivityDetector::OnScrollEvent(ui::ScrollEvent* event) {
MaybeNotify();
}
void UserActivityDetector::OnTouchEvent(ui::TouchEvent* event) {
MaybeNotify();
}
void UserActivityDetector::OnGestureEvent(ui::GestureEvent* event) {
MaybeNotify();
}
void UserActivityDetector::MaybeNotify() {
base::TimeTicks now =
!now_for_test_.is_null() ? now_for_test_ : base::TimeTicks::Now();
if (last_observer_notification_time_.is_null() ||
(now - last_observer_notification_time_).InMillisecondsF() >=
kNotifyIntervalMs) {
FOR_EACH_OBSERVER(UserActivityObserver, observers_, OnUserActivity());
last_observer_notification_time_ = now;
}
}
} // namespace ash
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