public void Attach(DependencyObject associatedObject)
{
AssociatedObject = associatedObject;
_throttleHelper.ThrottledEvent += ThrottleHelperOnThrottledEvent;
// process start
if (Windows.ApplicationModel.DesignMode.DesignModeEnabled)
{
Element.Visibility = Visibility.Visible;
}
else
{
// handle click
Element.Click += new Common.WeakReference <NavButtonBehavior, object, RoutedEventArgs>(this)
{
EventAction = (i, s, e) => i.Element_Click(s, e),
DetachAction = (i, w) => Element.Click -= w.Handler,
}.Handler;
CalculateThrottled();
// TODO: critical!
// if (Locator.BootStrapper.Instance != null) Locator.BootStrapper.Instance.ShellBackButtonUpdated += Current_ShellBackButtonUpdated;
_deviceUtils = DeviceUtils.Current(WindowWrapperManager.Current());
if (_deviceUtils != null)
{
_deviceUtils.Changed += DispositionChanged;
}
}
}
private static async Task <T> ShowAsync <T>(Func <Task <T> > show, IDispatcherWrapper dispatcher)
{
lock (DialogState)
{
while (DialogState.Showing)
{
Monitor.Wait(DialogState);
}
DialogState.Showing = true;
}
// this next line creates a dependecy on the WindowService
dispatcher = dispatcher ?? WindowWrapperManager.Current().Dispatcher;
dispatcher = dispatcher ?? throw new ArgumentNullException(nameof(dispatcher));
var result = await dispatcher.DispatchAsync(async() => await show());
lock (DialogState)
{
DialogState.Showing = false;
Monitor.PulseAll(DialogState);
}
return(result);
}
// hide and show busy dialog
public static void SetBusy(bool busy, string text = null)
{
WindowWrapperManager.Current().Dispatcher.Dispatch(() =>
{
var modal = Window.Current.Content as ModalDialog;
var view = modal.ModalContent as Busy;
if (view == null)
{
modal.ModalContent = view = new Busy();
}
modal.IsModal = view.IsBusy = busy;
view.BusyText = text;
});
}
internal NavigationService()
{
Window = WindowWrapperManager.Current();
}
public static IDispatcherWrapper Current() => WindowWrapperManager.Current().Dispatcher;