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// Copyright 2014 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 "ui/chromeos/user_activity_power_manager_notifier.h"
#include "chromeos/dbus/dbus_thread_manager.h"
#include "chromeos/dbus/power_manager_client.h"
#include "ui/base/user_activity/user_activity_detector.h"
#include "ui/events/event.h"
#include "ui/events/event_constants.h"
#include "ui/events/keycodes/keyboard_codes_posix.h"
namespace ui {
namespace {
// Minimum number of seconds between notifications.
const int kNotifyIntervalSec = 5;
// Returns a UserActivityType describing |event|.
power_manager::UserActivityType GetUserActivityTypeForEvent(
const Event* event) {
if (!event || event->type() != ET_KEY_PRESSED)
return power_manager::USER_ACTIVITY_OTHER;
switch (static_cast<const KeyEvent*>(event)->key_code()) {
case VKEY_BRIGHTNESS_DOWN:
return power_manager::USER_ACTIVITY_BRIGHTNESS_DOWN_KEY_PRESS;
case VKEY_BRIGHTNESS_UP:
return power_manager::USER_ACTIVITY_BRIGHTNESS_UP_KEY_PRESS;
case VKEY_VOLUME_DOWN:
return power_manager::USER_ACTIVITY_VOLUME_DOWN_KEY_PRESS;
case VKEY_VOLUME_MUTE:
return power_manager::USER_ACTIVITY_VOLUME_MUTE_KEY_PRESS;
case VKEY_VOLUME_UP:
return power_manager::USER_ACTIVITY_VOLUME_UP_KEY_PRESS;
default:
return power_manager::USER_ACTIVITY_OTHER;
}
}
} // namespace
UserActivityPowerManagerNotifier::UserActivityPowerManagerNotifier(
UserActivityDetector* detector)
: detector_(detector) {
detector_->AddObserver(this);
}
UserActivityPowerManagerNotifier::~UserActivityPowerManagerNotifier() {
detector_->RemoveObserver(this);
}
void UserActivityPowerManagerNotifier::OnUserActivity(const 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) {
chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->
NotifyUserActivity(GetUserActivityTypeForEvent(event));
last_notify_time_ = now;
}
}
} // namespace ui
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