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