protected Task CreateHandlerAndAddToWindow <THandler>(IElement view, Func <THandler, Task> action)
where THandler : class, IElementHandler
{
return(InvokeOnMainThreadAsync(async() =>
{
IWindow window = null;
if (view is IWindow w)
{
window = w;
}
else if (view is Page page)
{
window = new Controls.Window(page);
}
else
{
window = new Controls.Window(new ContentPage()
{
Content = (View)view
});
}
await RunWindowTest <THandler>(window, (handler) => action(handler as THandler));
}));
}
public async Task SwappingOutAndroidContextDoesntCrash()
{
SetupBuilder();
var shell = await CreateShellAsync(shell =>
{
shell.Items.Add(new FlyoutItem()
{
Route = "FlyoutItem1", Items = { new ContentPage() }, Title = "Flyout Item"
});
shell.Items.Add(new FlyoutItem()
{
Route = "FlyoutItem2", Items = { new ContentPage() }, Title = "Flyout Item"
});
});
var window = new Controls.Window(shell);
var mauiContextStub1 = new ContextStub(MauiApp.Services);
var activity = mauiContextStub1.GetActivity();
mauiContextStub1.Context = new ContextThemeWrapper(activity, Resource.Style.Maui_MainTheme_NoActionBar);
await CreateHandlerAndAddToWindow <IWindowHandler>(window, async (handler) =>
{
await OnLoadedAsync(shell.CurrentPage);
await OnNavigatedToAsync(shell.CurrentPage);
await Task.Delay(100);
await shell.GoToAsync("//FlyoutItem2");
}, mauiContextStub1);
var mauiContextStub2 = new ContextStub(MauiApp.Services);
mauiContextStub2.Context = new ContextThemeWrapper(activity, Resource.Style.Maui_MainTheme_NoActionBar);
await CreateHandlerAndAddToWindow <IWindowHandler>(window, async (handler) =>
{
await OnLoadedAsync(shell.CurrentPage);
await OnNavigatedToAsync(shell.CurrentPage);
await Task.Delay(100);
await shell.GoToAsync("//FlyoutItem1");
await shell.GoToAsync("//FlyoutItem2");
}, mauiContextStub2);
}
public static void SetCloseButtonToolTip([NotNull] Controls.Window obj, object value)
{
ValidationHelper.NotNull(obj, "obj");
obj.SetValue(CloseButtonToolTipProperty, value);
}
public static object GetRestoreButtonToolTip([NotNull] Controls.Window obj)
{
return(obj.GetValue(RestoreButtonToolTipProperty));
}
public static void SetResizeBorderThickness([NotNull] Controls.Window obj, Thickness value)
{
ValidationHelper.NotNull(obj, "obj");
obj.SetValue(ResizeBorderThicknessProperty, value);
}
public static Thickness GetResizeBorderThickness([NotNull] Controls.Window obj)
{
ValidationHelper.NotNull(obj, "obj");
ThicknessUtil.EnsureNonNegative();
return(BoxingHelper <Thickness> .Unbox(obj.GetValue(ResizeBorderThicknessProperty)));
}
protected Task CreateHandlerAndAddToWindow <THandler>(IElement view, Func <THandler, Task> action, IMauiContext mauiContext = null)
where THandler : class, IElementHandler
{
mauiContext ??= MauiContext;
return(InvokeOnMainThreadAsync(async() =>
{
IWindow window = null;
var application = mauiContext.Services.GetService <IApplication>();
if (view is IWindow w)
{
window = w;
}
else if (view is Page page)
{
window = new Controls.Window(page);
}
else
{
window = new Controls.Window(new ContentPage()
{
Content = (View)view
});
}
if (application is ApplicationStub appStub)
{
appStub.SetWindow((Window)window);
// Trigger the work flow of creating a window
_ = application.CreateWindow(null);
}
try
{
await _takeOverMainContentSempahore.WaitAsync();
await SetupWindowForTests <THandler>(window, async() =>
{
IView content = window.Content;
if (content is IPageContainer <Page> pc)
{
content = pc.CurrentPage;
if (content == null)
{
// This is mainly a timing issue with Shell.
// Basically the `CurrentPage` on Shell isn't initialized until it's
// actually navigated to because it's a DataTemplate.
// The CurrentPage doesn't come into existence until the platform requests it.
// The initial `Navigated` events on Shell all fire a bit too early as well.
// Ideally I'd just use that instead of having to add a delay.
await Task.Delay(100);
content = pc.CurrentPage;
}
_ = content ?? throw new InvalidOperationException("Current Page Not Initialized");
}
await OnLoadedAsync(content as VisualElement);
#if WINDOWS
await Task.Delay(10);
#endif
if (typeof(THandler).IsAssignableFrom(window.Handler.GetType()))
{
await action((THandler)window.Handler);
}
else if (typeof(THandler).IsAssignableFrom(window.Content.Handler.GetType()))
{
await action((THandler)window.Content.Handler);
}
else if (window.Content is ContentPage cp && typeof(THandler).IsAssignableFrom(cp.Content.Handler.GetType()))
{
await action((THandler)cp.Content.Handler);
}
else
{
throw new Exception($"I can't work with {typeof(THandler)}");
}
}, mauiContext);
}
public static object GetMaximizeButtonToolTip(Controls.Window obj)
{
return(obj.GetValue(MaximizeButtonToolTipProperty));
}
