/// <summary>
/// starts or stopps the autoclose timer
/// </summary>
/// <param name="childWindow"></param>
/// <param name="e"></param>
private void OnIsAutoCloseEnabledChanged(ChildWindow childWindow, AvaloniaPropertyChangedEventArgs e)
{
void AutoCloseEnabledChangedAction()
{
if (e.NewValue != e.OldValue)
{
if ((bool)e.NewValue)
{
if (childWindow.IsOpen)
{
childWindow.StartAutoCloseTimer();
}
}
else
{
childWindow.StopAutoCloseTimer();
}
}
}
Dispatcher.UIThread.InvokeAsync((Action)AutoCloseEnabledChangedAction, DispatcherPriority.Background);
}
/// <summary>
/// starts the open or close animation
/// </summary>
/// <param name="childWindow"></param>
/// <param name="e"></param>
private void OnIsOpenChanged(ChildWindow childWindow, AvaloniaPropertyChangedEventArgs e)
{
//skip other childs to display
if (childWindow != this)
{
return;
}
if (Equals(e.OldValue, e.NewValue))
{
return;
}
if ((bool)e.NewValue)
{
if (_hideAnimationTask != null)
{
_hideAnimationTokenSource.Cancel(false);
_hideAnimationTokenSource = null;
_hideAnimationTask = null;
// don't let the storyboard end it's completed event
// otherwise it could be hidden on start
}
_showAnimationTask = _showAnimation.RunAsync(childWindow).ContinueWith(
x =>
{
#warning little bit hacky should be done in the animation
_partOverlay.IsVisible = true;
_showAnimationTask = null;
var parent = childWindow.Parent as Panel;
childWindow.ZIndex = /*parent?.Children.Count + 1 ??*/ 99;
childWindow.TryToSetFocusedElement();
if (childWindow.IsAutoCloseEnabled)
{
childWindow.StartAutoCloseTimer();
}
childWindow.RaiseEvent(new RoutedEventArgs(IsOpenChangedEvent, childWindow));
}, TaskScheduler.FromCurrentSynchronizationContext());
}
else
{
childWindow.StopAutoCloseTimer();
_hideAnimationTokenSource = new CancellationTokenSource();
_hideAnimationTask = _hideAnimation.RunAsync(childWindow).ContinueWith(
x =>
{
childWindow.OnClosingFinished();
_hideAnimationTask = null;
#warning little bit hacky should be done in the animation
_partOverlay.IsVisible = false;
}, _hideAnimationTokenSource.Token,
TaskContinuationOptions.None,
TaskScheduler.FromCurrentSynchronizationContext());
}
}
