private protected override void OnConnectHandler(FrameworkElement platformView)
{
base.OnConnectHandler(platformView);
NavigationFrame.Navigated += OnNavigated;
// If CreatePlatformView didn't set the NavigationView then that means we are using the
// WindowRootView for our tabs
if (_navigationView == null)
{
SetupNavigationLocals();
}
else
{
SetupNavigationView();
}
if (_navigationView == null && _navigationRootManager?.RootView is WindowRootView wrv)
{
wrv.ContentChanged += OnContentChanged;
void OnContentChanged(object?sender, EventArgs e)
{
wrv.ContentChanged -= OnContentChanged;
SetupNavigationLocals();
}
}
void SetupNavigationLocals()
{
_navigationRootManager = MauiContext?.GetNavigationRootManager();
_navigationView = (_navigationRootManager?.RootView as WindowRootView)?.NavigationViewControl;
SetupNavigationView();
}
}
protected override void DisconnectHandler(AActivity platformView)
{
base.DisconnectHandler(platformView);
var windowManager = MauiContext.GetNavigationRootManager();
windowManager.Disconnect();
}
protected override FrameworkElement CreatePlatformView()
{
_navigationFrame = new WFrame();
if (VirtualView.FindParentOfType <FlyoutPage>() != null)
{
_navigationView = new MauiNavigationView()
{
Content = _navigationFrame,
PaneDisplayMode = NavigationViewPaneDisplayMode.LeftMinimal,
IsBackButtonVisible = NavigationViewBackButtonVisible.Collapsed,
IsSettingsVisible = false,
IsPaneToggleButtonVisible = false
};
// Unset styles set by parent NavigationView
_navigationView.SetApplicationResource("NavigationViewContentMargin", null);
_navigationView.SetApplicationResource("NavigationViewMinimalHeaderMargin", null);
_navigationView.SetApplicationResource("NavigationViewHeaderMargin", null);
_navigationView.SetApplicationResource("NavigationViewMinimalContentGridBorderThickness", null);
return(_navigationView);
}
_navigationRootManager = MauiContext?.GetNavigationRootManager();
return(_navigationFrame);
}
AView GetCurrentRootView()
{
return(MauiContext
?.GetNavigationRootManager()
?.RootView ??
throw new InvalidOperationException("Current Root View cannot be null"));
}
void UpdateContent()
{
_ = MauiContext ?? throw new InvalidOperationException($"{nameof(MauiContext)} should have been set by base class.");
var rootManager = MauiContext.GetNavigationRootManager();
rootManager.Connect(VirtualView.Content);
}
protected override void DisconnectHandler(UI.Xaml.Window platformView)
{
var windowManager = MauiContext.GetNavigationRootManager();
var rootPanel = platformView.Content as WPanel;
rootPanel.Children.Remove(windowManager.RootView);
windowManager.Disconnect();
base.DisconnectHandler(platformView);
}
protected override void DisconnectHandler(UI.Xaml.Window platformView)
{
MauiContext
?.GetNavigationRootManager()
?.Disconnect();
_rootPanel?.Children?.Clear();
platformView.Content = null;
base.DisconnectHandler(platformView);
}
protected override void DisconnectHandler(UI.Xaml.Window nativeView)
{
var windowManager = MauiContext?.GetNavigationRootManager();
windowManager?.Disconnect(VirtualView.Content);
_rootPanel?.Children?.Clear();
nativeView.Content = null;
base.DisconnectHandler(nativeView);
}
private protected override void OnDisconnectHandler(object platformView)
{
base.OnDisconnectHandler(platformView);
if (platformView is MauiToolbar mauiToolbar)
{
var navRootManager = MauiContext?.GetNavigationRootManager();
if (navRootManager?.ToolBar == mauiToolbar)
{
navRootManager.SetToolbar(null);
}
}
}
protected override void DisconnectHandler(UI.Xaml.Window platformView)
{
MauiContext
?.GetNavigationRootManager()
?.Disconnect();
if (platformView.Content is WindowRootViewContainer container)
{
container.Children.Clear();
platformView.Content = null;
}
base.DisconnectHandler(platformView);
}
void UpdateContent()
{
_ = MauiContext ?? throw new InvalidOperationException($"{nameof(MauiContext)} should have been set by base class.");
var rootManager = MauiContext.GetNavigationRootManager();
var previousRootView = rootManager.RootView;
rootManager.Connect(VirtualView.Content);
// This is used for cases where we are testing swapping out the page set on window
if (previousRootView?.Parent is FakeActivityRootView farw)
{
previousRootView.RemoveFromParent();
rootManager.RootView.LayoutParameters = new LinearLayoutCompat.LayoutParams(500, 500);
farw.AddView(rootManager.RootView);
}
}
void UpdateDetail()
{
_ = MauiContext ?? throw new InvalidOperationException($"{nameof(MauiContext)} should have been set by base class.");
_ = VirtualView.Detail?.ToNative(MauiContext);
var newDetailView = VirtualView.Detail?.GetNative(true);
if (_detailView == newDetailView)
{
return;
}
if (_detailView != null)
{
_detailView.RemoveFromParent();
}
_detailView = newDetailView;
MauiContext
.GetNavigationRootManager()
.SetContentView(_detailView, MauiContext.GetFragmentManager());
}
protected override void ConnectHandler(RootNavigationView platformView)
{
_navigationRootManager = MauiContext?.GetNavigationRootManager();
platformView.PaneOpened += OnPaneOepened;
}
