public void AddBlock(String label, TimeSpan time)
{
if (HasStarted)
{
return;
}
var interval = new IntervalBlock();
interval.CenterText = label;
interval.CurrentTime = time;
interval.OnFinished += delegate(object o, EventArgs args)
{
_elapsedTime = _elapsedTime.Add(interval.OriginalTime);
if (Blocks.Count == Blocks.Count(b => b.HasFinished))
{
Stop();
HasFinished = true;
var oldBlock = CurrentBlock;
Blocks.RemoveAt(0);
Blocks.Add(oldBlock);
}
else
{
StartNextBlock();
}
Common.PlaySound(Common.AlertSound1);
};
RemainingTime = RemainingTime.Add(interval.CurrentTime);
_orignalTime = RemainingTime; // keep the original time in memory so we can substract when running
Blocks.Add(interval);
}
/// <summary>
/// Starts the timer.
/// </summary>
private void StartTimer()
{
_timer = new DispatcherTimer(new TimeSpan(0, 0, 1), DispatcherPriority.DataBind, delegate
{
if (_remainingTime == TimeSpan.Zero)
{
_timer.Stop();
MainWindow.Instance.TimerExpire();
((QuizViewModel)CurrentPage).GotoResultView();
}
RemainingTime = RemainingTime.Add(TimeSpan.FromSeconds(-1));
}, Application.Current.Dispatcher);
_timer.Start();
}
private void ClearSlot(TimeSpan talkDuration)
{
RemainingTime = RemainingTime.Add(talkDuration);
CurrentSlotPointer = CurrentSlotPointer.Subtract(talkDuration);
}