public static void MapContent(IContentViewHandler handler, IContentView page)
{
if (handler is ContentViewHandler contentViewHandler)
{
contentViewHandler.UpdateContent();
}
}
static void UpdateContent(IContentViewHandler handler)
{
_ = handler.PlatformView ?? throw new InvalidOperationException($"{nameof(PlatformView)} should have been set by base class.");
_ = handler.VirtualView ?? throw new InvalidOperationException($"{nameof(VirtualView)} should have been set by base class.");
_ = handler.MauiContext ?? throw new InvalidOperationException($"{nameof(MauiContext)} should have been set by base class.");
handler.PlatformView.Children.Clear();
if (handler.VirtualView.PresentedContent is IView view)
{
handler.PlatformView.Children.Add(view.ToPlatform(handler.MauiContext));
}
}
static void UpdateContent(IContentViewHandler handler)
{
_ = handler.PlatformView ?? throw new InvalidOperationException($"{nameof(PlatformView)} should have been set by base class.");
_ = handler.VirtualView ?? throw new InvalidOperationException($"{nameof(VirtualView)} should have been set by base class.");
_ = handler.MauiContext ?? throw new InvalidOperationException($"{nameof(MauiContext)} should have been set by base class.");
// Cleanup the old view when reused
handler.PlatformView.ClearSubviews();
if (handler.VirtualView.PresentedContent is IView view)
{
handler.PlatformView.AddSubview(view.ToPlatform(handler.MauiContext));
}
}
public static void MapContent(IContentViewHandler handler, IContentView page)
{
UpdateContent(handler);
}
public static void MapContent(IContentViewHandler handler, IContentView page)
{
}
public static void MapBackground(IContentViewHandler handler, IContentView view)
{
handler.UpdateValue(nameof(handler.ContainerView));
handler.ToPlatform()?.UpdateBackground(view);
}
