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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/user_activity_observer.h"
namespace ash {
const double UserActivityDetector::kNotifyIntervalSec = 1.0;
UserActivityDetector::UserActivityDetector() {
}
UserActivityDetector::~UserActivityDetector() {
}
void UserActivityDetector::AddObserver(UserActivityObserver* observer) {
observers_.AddObserver(observer);
}
void UserActivityDetector::RemoveObserver(UserActivityObserver* observer) {
observers_.RemoveObserver(observer);
}
bool UserActivityDetector::PreHandleKeyEvent(aura::Window* target,
aura::KeyEvent* event) {
MaybeNotify();
return false;
}
bool UserActivityDetector::PreHandleMouseEvent(aura::Window* target,
aura::MouseEvent* event) {
MaybeNotify();
return false;
}
ui::TouchStatus UserActivityDetector::PreHandleTouchEvent(
aura::Window* target,
aura::TouchEvent* event) {
MaybeNotify();
return ui::TOUCH_STATUS_UNKNOWN;
}
ui::GestureStatus UserActivityDetector::PreHandleGestureEvent(
aura::Window* target,
aura::GestureEvent* event) {
MaybeNotify();
return ui::GESTURE_STATUS_UNKNOWN;
}
void UserActivityDetector::MaybeNotify() {
base::TimeTicks now = base::TimeTicks::Now();
if (last_observer_notification_time_.is_null() ||
(now - last_observer_notification_time_).InSecondsF() >=
kNotifyIntervalSec) {
FOR_EACH_OBSERVER(UserActivityObserver, observers_, OnUserActivity());
last_observer_notification_time_ = now;
}
}
} // namespace ash
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