internal static FrameworkElement ToFrameworkElement(this VisualElement visualElement)
{
if (!Forms.IsInitialized)
{
throw new InvalidOperationException("call Forms.Init() before this");
}
var root = new Microsoft.UI.Xaml.Window();
// Yes, this looks awkward. But the page needs to be Platformed or several things won't work
new WindowsPlatform(root);
var renderer = visualElement.GetOrCreateRenderer();
if (renderer == null)
{
throw new InvalidOperationException($"Could not find or create a renderer for {visualElement}");
}
var frameworkElement = renderer.ContainerElement;
frameworkElement.Loaded += (sender, args) =>
{
visualElement.Layout(new Rectangle(0, 0, frameworkElement.ActualWidth, frameworkElement.ActualHeight));
};
return(frameworkElement);
}
Task SetupWindowForTests <THandler>(IWindow window, Func <Task> runTests, IMauiContext mauiContext = null)
where THandler : class, IElementHandler
{
mauiContext ??= MauiContext;
return(InvokeOnMainThreadAsync(async() =>
{
var applicationContext = mauiContext.MakeApplicationScope(UI.Xaml.Application.Current);
var appStub = new MauiAppNewWindowStub(window);
UI.Xaml.Application.Current.SetApplicationHandler(appStub, applicationContext);
WWindow newWindow = null;
try
{
ApplicationExtensions.CreatePlatformWindow(UI.Xaml.Application.Current, appStub, new Handlers.OpenWindowRequest());
newWindow = window.Handler.PlatformView as WWindow;
await runTests.Invoke();
}
finally
{
window.Handler.DisconnectHandler();
await Task.Delay(10);
newWindow?.Close();
appStub.Handler.DisconnectHandler();
}
}));
}
internal Platform(Microsoft.UI.Xaml.Window page)
{
if (page == null)
{
throw new ArgumentNullException(nameof(page));
}
_page = page;
var current = Microsoft.UI.Xaml.Application.Current;
if (!current.Resources.ContainsKey("RootContainerStyle"))
{
Microsoft.UI.Xaml.Application.Current.Resources.MergedDictionaries.Add(Forms.GetTabletResources());
}
if (!current.Resources.ContainsKey(ShellRenderer.ShellStyle))
{
var myResourceDictionary = new Microsoft.UI.Xaml.ResourceDictionary();
myResourceDictionary.Source = new Uri("ms-appx:///Microsoft.Maui.Controls.Compatibility/WinUI/Shell/ShellStyles.xbf");
Microsoft.UI.Xaml.Application.Current.Resources.MergedDictionaries.Add(myResourceDictionary);
}
_container = new Canvas
{
Style = (Microsoft.UI.Xaml.Style)current.Resources["RootContainerStyle"]
};
_page.Content = _container;
_container.SizeChanged += OnRendererSizeChanged;
MessagingCenter.Subscribe(this, Page.BusySetSignalName, (Page sender, bool enabled) =>
{
Microsoft.UI.Xaml.Controls.ProgressBar indicator = GetBusyIndicator();
indicator.Visibility = enabled ? Visibility.Visible : Visibility.Collapsed;
});
_toolbarTracker.CollectionChanged += OnToolbarItemsChanged;
UpdateBounds();
InitializeStatusBar();
if (!NativeVersion.IsDesktop)
{
SystemNavigationManager.GetForCurrentView().BackRequested += OnBackRequested;
}
// TODO WINUI: This event is only available on UWP
// Microsoft.UI.Xaml.Application.Current.Resuming += OnResumingAsync;
}
//internal static Platform Current
//{
// get
// {
// var frame = UI.Xaml.Window.Current?.Content as Microsoft.UI.Xaml.Controls.Frame;
// var wbp = frame?.Content as WindowsBasePage;
// return wbp?.Platform;
// }
//}
internal Platform(Microsoft.UI.Xaml.Window page)
{
if (page == null)
{
throw new ArgumentNullException(nameof(page));
}
_page = page;
var current = Microsoft.UI.Xaml.Application.Current;
_container = new Canvas
{
Style = (Microsoft.UI.Xaml.Style)current.Resources["RootContainerStyle"]
};
_page.Content = _container;
_container.SizeChanged += OnRendererSizeChanged;
MessagingCenter.Subscribe(this, Page.BusySetSignalName, (Page sender, bool enabled) =>
{
Microsoft.UI.Xaml.Controls.ProgressBar indicator = GetBusyIndicator();
indicator.Visibility = enabled ? WVisibility.Visible : WVisibility.Collapsed;
});
_toolbarTracker.CollectionChanged += OnToolbarItemsChanged;
UpdateBounds();
InitializeStatusBar();
// https://docs.microsoft.com/en-us/windows/winui/api/microsoft.ui.xaml.window.current?view=winui-3.0
// The currently activated window for UWP apps. Null for Desktop apps.
if (Microsoft.UI.Xaml.Window.Current != null)
{
SystemNavigationManager.GetForCurrentView().BackRequested += OnBackRequested;
}
// TODO WINUI: This event is only available on UWP
// Microsoft.UI.Xaml.Application.Current.Resuming += OnResumingAsync;
}
protected override void OnLaunched(LaunchActivatedEventArgs args)
{
var value = DependencyProperty.UnsetValue;
var button = new Button
{
Content = "Click me to load MainPage",
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center
};
button.Click += Button_Click;
var window = new Microsoft.UI.Xaml.Window
{
Content = button
};
window.Activate();
myWindow = window;
}