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// Copyright 2013 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/system/chromeos/power/user_activity_notifier.h"
#include "ash/shell.h"
#include "ash/wm/user_activity_detector.h"
#include "chromeos/dbus/dbus_thread_manager.h"
#include "chromeos/dbus/power_manager_client.h"
#include "ui/events/event.h"
#include "ui/events/event_constants.h"
#include "ui/events/keycodes/keyboard_codes_posix.h"
namespace ash {
namespace internal {
namespace {
// Minimum number of seconds between notifications.
const int kNotifyIntervalSec = 5;
} // namespace
UserActivityNotifier::UserActivityNotifier(UserActivityDetector* detector)
: detector_(detector) {
detector_->AddObserver(this);
}
UserActivityNotifier::~UserActivityNotifier() {
detector_->RemoveObserver(this);
}
void UserActivityNotifier::OnUserActivity(const ui::Event* event) {
base::TimeTicks now = base::TimeTicks::Now();
// InSeconds() truncates rather than rounding, so it's fine for this
// comparison.
if (last_notify_time_.is_null() ||
(now - last_notify_time_).InSeconds() >= kNotifyIntervalSec) {
power_manager::UserActivityType type = power_manager::USER_ACTIVITY_OTHER;
if (event && event->type() == ui::ET_KEY_PRESSED) {
switch (static_cast<const ui::KeyEvent*>(event)->key_code()) {
case ui::VKEY_BRIGHTNESS_UP:
type = power_manager::USER_ACTIVITY_BRIGHTNESS_UP_KEY_PRESS;
break;
case ui::VKEY_BRIGHTNESS_DOWN:
type = power_manager::USER_ACTIVITY_BRIGHTNESS_DOWN_KEY_PRESS;
break;
default:
break;
}
}
chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->
NotifyUserActivity(type);
last_notify_time_ = now;
}
}
} // namespace internal
} // namespace ash
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