protected override void ConnectHandler(Popup platformView)
{
    platformView.Closed += OnClosed;
    platformView.ConfigureControl(VirtualView, MauiContext);
    if (MauiContext is not null)
    {
        MauiContext.GetPlatformWindow().SizeChanged += OnSizeChanged;
    }
    base.ConnectHandler(platformView);
}

protected override void DisconnectHandler(Popup platformView)
{
    ArgumentNullException.ThrowIfNull(VirtualView.Parent);
    ArgumentNullException.ThrowIfNull(VirtualView.Handler?.MauiContext);
    var parent = VirtualView.Parent.ToPlatform(VirtualView.Handler.MauiContext);
    parent.IsHitTestVisible = true;
    platformView.IsOpen = false;
    platformView.Closed -= OnClosed;
    if (MauiContext is not null)
    {
        MauiContext.GetPlatformWindow().SizeChanged -= OnSizeChanged;
    }
}

void OnSizeChanged(object? sender, WindowSizeChangedEventArgs e)
{
    if (VirtualView is not null)
    {
        PopupExtensions.SetSize(PlatformView, VirtualView);
        PopupExtensions.SetLayout(PlatformView, VirtualView, MauiContext);
    }
}

public static void SetSize(this Popup mauiPopup, IPopup popup)
{
    omit ... 

    if (popup.Parent is IView popupParent)
    {
        currentSize.Width = Math.Min(currentSize.Width, popupParent.Frame.Width);
        currentSize.Height = Math.Min(currentSize.Height, popupParent.Frame.Height);
    }
	
    mauiPopup.Width = currentSize.Width;
    mauiPopup.Height = currentSize.Height;
    mauiPopup.MinWidth = mauiPopup.MaxWidth = currentSize.Width + (defaultBorderThickness * 2);
    mauiPopup.MinHeight = mauiPopup.MaxHeight = currentSize.Height + (defaultBorderThickness * 2);

    if (mauiPopup.Child is FrameworkElement control)
    {
        control.Width = mauiPopup.Width;
        control.Height = mauiPopup.Height;
    }
}

static Rect? GetTitleBarRectangle(IMauiContext? mauiContext)
{
    if (!AppWindowTitleBar.IsCustomizationSupported())
    {
        return null;
    }

    if (mauiContext?.GetNavigationRootManager()?.RootView is WindowRootView rootView &&
        rootView.AppTitleBarContainer is FrameworkElement element)
    {
        return new Rect((int)element.Margin.Left, 0, (int)element.ActualWidth, (int)element.ActualHeight);
    }

    return null;
}

public static void SetLayout(this Popup mauiPopup, IPopup popup, IMauiContext? mauiContext)
{
    ArgumentNullException.ThrowIfNull(mauiContext);
    var popupParent = popup.Parent as IView;
    popup.Content?.Measure(double.PositiveInfinity, double.PositiveInfinity);
    var contentSize = popup.Content?.ToPlatform(mauiContext).DesiredSize ?? Windows.Foundation.Size.Empty;
    var popupParentFrame = popupParent?.Frame ?? new Rect(0, 0, contentSize.Width, contentSize.Height);

    Rect? titleBarRect = GetTitleBarRectangle(mauiContext);

    var verticalOptions = popup.VerticalOptions;
    var horizontalOptions = popup.HorizontalOptions;
    if (IsTopLeft(verticalOptions, horizontalOptions))
    {
        mauiPopup.DesiredPlacement = PopupPlacementMode.TopEdgeAlignedLeft;
        mauiPopup.HorizontalOffset = 0;
        mauiPopup.VerticalOffset = 0;
    }
    else if (IsTop(verticalOptions, horizontalOptions))
    {
        mauiPopup.DesiredPlacement = PopupPlacementMode.Top;
        mauiPopup.HorizontalOffset = (popupParentFrame.Width - contentSize.Width) / 2;
        mauiPopup.VerticalOffset = 0;
    }
    else if (IsTopRight(verticalOptions, horizontalOptions))
    {
        mauiPopup.DesiredPlacement = PopupPlacementMode.TopEdgeAlignedRight;
        mauiPopup.HorizontalOffset = (popupParentFrame.Width - contentSize.Width);
        mauiPopup.VerticalOffset = 0;
    }
    else if (IsRight(verticalOptions, horizontalOptions))
    {
        mauiPopup.DesiredPlacement = PopupPlacementMode.Right;
        mauiPopup.HorizontalOffset = (popupParentFrame.Width - contentSize.Width);
        mauiPopup.VerticalOffset = (popupParentFrame.Height - contentSize.Height / 2 + titleBarRect?.Height ?? 0) / 2;
    }
    else if (IsBottomRight(verticalOptions, horizontalOptions))
    {
        mauiPopup.DesiredPlacement = PopupPlacementMode.BottomEdgeAlignedRight;
        mauiPopup.HorizontalOffset = (popupParentFrame.Width - contentSize.Width);
        mauiPopup.VerticalOffset = popupParentFrame.Height - contentSize.Height / 2 + titleBarRect?.Height ?? 0;
    }
    else if (IsBottom(verticalOptions, horizontalOptions))
    {
        mauiPopup.DesiredPlacement = PopupPlacementMode.Bottom;
        mauiPopup.HorizontalOffset = (popupParentFrame.Width - contentSize.Width) / 2;
        mauiPopup.VerticalOffset = popupParentFrame.Height - contentSize.Height / 2 + titleBarRect?.Height ?? 0;
    }
    else if (IsBottomLeft(verticalOptions, horizontalOptions))
    {
        mauiPopup.DesiredPlacement = PopupPlacementMode.BottomEdgeAlignedLeft;
        mauiPopup.HorizontalOffset = 0;
        mauiPopup.VerticalOffset = popupParentFrame.Height - contentSize.Height / 2 + titleBarRect?.Height ?? 0;
    }
    else if (IsLeft(verticalOptions, horizontalOptions))
    {
        mauiPopup.DesiredPlacement = PopupPlacementMode.Left;
        mauiPopup.HorizontalOffset = 0;
        mauiPopup.VerticalOffset = (popupParentFrame.Height - contentSize.Height / 2 + titleBarRect?.Height ?? 0) / 2;
    }
    else if (popup.Anchor is null)
    {
        mauiPopup.DesiredPlacement = PopupPlacementMode.Auto;
        mauiPopup.HorizontalOffset = (popupParentFrame.Width - contentSize.Width) / 2;
        mauiPopup.VerticalOffset = (popupParentFrame.Height - contentSize.Height / 2 + titleBarRect?.Height ?? 0) / 2;
    }
    else
    {
        mauiPopup.DesiredPlacement = PopupPlacementMode.Top;
    }
    
    omit ...
}

internal static Rect[]? GetDefaultTitleBarDragRectangles(this UI.Xaml.Window platformWindow, IMauiContext mauiContext)
{
    if (!AppWindowTitleBar.IsCustomizationSupported())
        return null;

    if (mauiContext?.GetNavigationRootManager()?.RootView is WindowRootView rootView &&
        rootView.AppTitleBarContainer is FrameworkElement element)
    {
        return new[]
        {
            new Rect((int)element.Margin.Left, 0, (int)element.ActualWidth, (int)element.ActualHeight),
        };
    }

    return null;
}