/// <summary>
/// Default shell FORWARD handler overrides standard FORWARD behavior that navigates to next page
/// in the stack. Views or Viewodels can override this behavior by handling the ForwardRequested event
/// and setting the Handled property of the ForwardRequestedEventArgs to true.
/// </summary>
private void RaiseForwardRequested()
{
var args = new HandledEventArgs();
foreach (var frame in WindowWrapper.Current().NavigationServices.Select(x => x.FrameFacade))
{
frame.RaiseForwardRequested(args);
if (args.Handled)
{
return;
}
}
// default to first window
NavigationService.GoForward();
}
#pragma warning restore CS0809 // Obsolete member overrides non-obsolete member
/// <summary>
/// This handles all the prelimimary stuff unique to Activated before calling OnStartAsync()
/// This is private because it is a specialized prelude to OnStartAsync().
/// OnStartAsync will not be called if state restore is determined.
/// </summary>
/// <param name="e">The event args.</param>
private async Task InternalActivatedAsync(IActivatedEventArgs e)
{
if (e.Kind == ActivationKind.ShareTarget)
{
var shareArgs = e as ShareTargetActivatedEventArgs;
if (e.PreviousExecutionState == ApplicationExecutionState.Running ||
e.PreviousExecutionState == ApplicationExecutionState.Suspended)
{
var frame = new Frame();
frame.Tag = FRAME_IN_SHARE_CONTEXT;
Window.Current.Content = frame;
var view = WindowWrapper.Current(Window.Current);
var navigationService = new NavigationService(frame);
view.NavigationServices.Add(navigationService);
if (frame.Content == null)
{
navigationService.Navigate(ShareTargetPage, shareArgs.ShareOperation);
}
}
else
{
InitRootFrameAndNavigation();
Window.Current.Content = RootFrame;
await WindowWrapper.Current(NavigationService).Dispatcher.DispatchAsync(() =>
{
NavigationService.Navigate(ShareTargetPage, shareArgs.ShareOperation);
});
}
Window.Current.Activate();
return;
}
// sometimes activate requires a frame to be built, such as after a launch using a toast notification
if (Window.Current.Content == null)
{
InitRootFrameAndNavigation();
await OnInitializeAsync(e);
_statusBarService = Injector.Get <IStatusBarService>();
if (UseAppShell &&
e.PreviousExecutionState != ApplicationExecutionState.Running &&
e.PreviousExecutionState != ApplicationExecutionState.Suspended &&
e.Kind != ActivationKind.ShareTarget)
{
Window.Current.Content = new AppShell(
RootFrame,
CreateNavigationMenuItems(),
CreateBottomDockedNavigationMenuItems());
}
}
// onstart is shared with activate and launch
await OnStartAsync(StartKind.Activate, e);
// if the user didn't already set custom content use rootframe
if (Window.Current.Content == null)
{
Window.Current.Content = RootFrame;
}
UpdateTheme();
// ensure active (this will hide any custom splashscreen)
Window.Current.Activate();
}
