private void TransitionTo(ToastState state)
{
Timer.Stop();
State = state;
switch (state)
{
case ToastState.Showing:
if (Options.ShowTransitionDuration <= 0)
{
TransitionTo(ToastState.Visible);
}
else
{
Timer.Start(Options.ShowTransitionDuration);
}
break;
case ToastState.Visible:
if (Options.RequireInteraction)
{
TransitionState = TransitionState.ForRequiredInteraction(Options.MaximumOpacity);
OnUpdate?.Invoke();
return;
}
else if (Options.VisibleStateDuration < 0)
{
TransitionTo(ToastState.Hiding);
}
else
{
Timer.Start(Options.VisibleStateDuration);
}
break;
case ToastState.Hiding:
if (Options.HideTransitionDuration <= 0)
{
OnClose?.Invoke(this);
return;
}
else
{
Timer.Start(Options.HideTransitionDuration);
}
break;
case ToastState.MouseOver:
break;
}
UpdateTransitionState();
OnUpdate?.Invoke();
}
private void UpdateTransitionState()
{
TransitionState = State == ToastState.Visible && Options.RequireInteraction
? TransitionState.ForRequiredInteraction(Options.MaximumOpacity)
: new TransitionState(Timer, Options.MaximumOpacity);
}