// This happens every minute
private void oneMinuteTimer_Tick(object sender, EventArgs e)
{
// Try to turn on the screen if there is an alarm. This must be performed on the UI thread
if (mPublicDisplayControl == null && mExistentAlarm)
{
ScreenPower.TurnOn(this);
}
// Turn on/off the public screen at defined hours
if (mPublicDisplayControl != null && !mExistentAlarm)
{
var now = DateTime.Now.TimeOfDay;
if (Math.Abs((now - AicSettings.Global.PublicDisplayTurnScreenOnTime).TotalMinutes) < 1)
{
mPublicDisplayControl.TurnOn();
}
else if (Math.Abs((now - AicSettings.Global.PublicDisplayTurnScreenOffTime).TotalMinutes) < 1)
{
mPublicDisplayControl.TurnOff();
}
}
// Check system in background
if (!mCheckSystemWorker.IsBusy)
{
mCheckSystemWorker.RunWorkerAsync();
}
}
// Removes, updates, and adds alarms
private void RefreshAlarms(ICollection <Alarm> alarms)
{
// Show that several concurrent alarms exist
AlarmGrid.Visibility = Visibility.Visible;
NoAlarmPnl.Visibility = Visibility.Hidden;
InfoCenterCtrl.Visibility = Visibility.Hidden;
InfoCenterCtrl.Stop();
MultiAlarmGrid.Visibility = alarms.Count > 1 ? Visibility.Visible : Visibility.Collapsed;
// Remove finished alarms, refresh existing alarms, show new alarms
var removeIds = mAlarmId2Ctrl.Keys.Except(alarms.Select(a => a.Id)).ToList();
int numberOfRemovedAlarms = RemoveAlarms(removeIds);
UpdateAlarms(alarms);
var newAlarms = AddAlarms(alarms);
// Ensure that an alarm is shown
if (newAlarms.Count == 0 && numberOfRemovedAlarms > 0)
{
ShowNextAlarm();
}
#region Turn screen on, bring window to front, play sound
if (newAlarms.Count > 0)
{
// Turn on screen
try
{
if (mPublicDisplayControl != null)
{
mPublicDisplayControl.TurnOn();
}
else
{
// Stop turning off screen
if (mTurnScreenOffTimer != null)
{
mTurnScreenOffTimer.Stop();
}
ScreenPower.TurnOn(this);
}
}
catch (Exception ex)
{
Log.GetInstance().LogError("Error in turning on screen.", ex);
}
// Bring the AIC window to front
ShowAndActivate();
// Play a sound
if (!Starting)
{
try
{
mSoundHelper.Alarm = newAlarms.Last();
if (AicSettings.Global.PlayAlarmSound && !AicSettings.Global.PlayAnnouncement)
{
mSoundHelper.PlayAlarmSound();
}
else if (AicSettings.Global.PlayAnnouncement)
{
mSoundHelper.PlaySequence(AicSettings.Global.PlayAlarmSound, AicSettings.Global.AnnouncementIntervals);
}
}
catch (Exception ex)
{
Log.GetInstance().LogError("Could not play sound.", ex);
}
}
}
#endregion
}
