void LoadView(UIControllerFlow flow, IConnection connection = null, ViewWithData data = null, UIViewType type = UIViewType.None)
{
// if we're loading a single view or a different flow, we need to stop the current controller
var restart = flow == UIControllerFlow.None || uiController?.SelectedFlow != flow;
if (restart)
{
Stop();
}
// if there's no selected flow, then just load a view directly
if (flow == UIControllerFlow.None)
{
var factory = ServiceProvider.GetExportedValue <IUIFactory>();
var c = factory.CreateViewAndViewModel(type);
c.View.DataContext = c.ViewModel;
Control = c.View;
}
// it's a new flow!
else if (restart)
{
StartFlow(flow, connection, data);
}
// navigate to a requested view within the currently running uiController
else
{
uiController.Jump(data ?? navStack[currentNavItem]);
}
}
async Task Reload([AllowNull] ViewWithData data = null, bool navigating = false)
{
navigatingViaArrows = navigating;
if (!IsGitHubRepo.HasValue)
{
IsGitHubRepo = await IsAGitHubRepo();
}
if (!IsGitHubRepo.Value)
{
if (uiController != null)
{
Stop();
//var factory = ServiceProvider.GetExportedValue<IUIFactory>();
//var c = factory.CreateViewAndViewModel(UIViewType.LoggedOut);
//Control = c.View;
}
return;
}
var connection = await connectionManager.LookupConnection(ActiveRepo);
IsLoggedIn = await connection.IsLoggedIn(hosts);
if (IsLoggedIn)
{
if (uiController == null || (data != null && data.ActiveFlow != uiController.CurrentFlow))
{
StartFlow(data?.ActiveFlow ?? UIControllerFlow.PullRequests, connection, data);
}
else if (data != null || currentNavItem >= 0)
{
uiController.Jump(data ?? navStack[currentNavItem]);
}
}
else
{
var factory = ServiceProvider.GetExportedValue <IUIFactory>();
var c = factory.CreateViewAndViewModel(UIViewType.LoggedOut);
Control = c.View;
}
return;
}
void StartFlow(UIControllerFlow controllerFlow, [AllowNull] IConnection conn, ViewWithData data = null)
{
Stop();
if (conn == null)
{
return;
}
switch (controllerFlow)
{
case UIControllerFlow.PullRequests:
Title = Resources.PullRequestsNavigationItemText;
break;
default:
Title = "GitHub";
break;
}
var uiProvider = ServiceProvider.GetExportedValue <IUIProvider>();
var factory = uiProvider.GetService <IExportFactoryProvider>();
var uiflow = factory.UIControllerFactory.CreateExport();
disposables.Add(uiflow);
uiController = uiflow.Value;
var creation = uiController.SelectFlow(controllerFlow).Publish().RefCount();
// if the flow is authentication, we need to show the login dialog. and we can't
// block the main thread on the subscriber, it'll block other handlers, so we're doing
// this on a separate thread and posting the dialog to the main thread
creation
.Where(c => uiController.CurrentFlow == UIControllerFlow.Authentication)
.ObserveOn(RxApp.TaskpoolScheduler)
.Subscribe(c =>
{
// nothing to do, we already have a dialog
if (windowController != null)
{
return;
}
syncContext.Post(_ =>
{
windowController = new WindowController(creation,
__ => uiController.CurrentFlow == UIControllerFlow.Authentication,
___ => uiController.CurrentFlow != UIControllerFlow.Authentication);
windowController.WindowStartupLocation = WindowStartupLocation.CenterOwner;
windowController.Load(c.View);
windowController.ShowModal();
windowController = null;
}, null);
});
creation
.Where(c => uiController.CurrentFlow != UIControllerFlow.Authentication)
.Subscribe(c =>
{
if (!navigatingViaArrows)
{
if (c.Direction == LoadDirection.Forward)
{
GoForward(c.Data);
}
else if (c.Direction == LoadDirection.Back)
{
GoBack();
}
}
UpdateToolbar();
Control = c.View;
});
if (data != null)
{
uiController.Jump(data);
}
uiController.Start(conn);
}
void StartFlow(UIControllerFlow controllerFlow, [AllowNull]IConnection conn, ViewWithData data = null)
{
Stop();
if (conn == null)
return;
var uiProvider = ServiceProvider.GetService<IUIProvider>();
var factory = uiProvider.GetService<IExportFactoryProvider>();
var uiflow = factory.UIControllerFactory.CreateExport();
disposables.Add(uiflow);
uiController = uiflow.Value;
var creation = uiController.SelectFlow(controllerFlow).Publish().RefCount();
// if the flow is authentication, we need to show the login dialog. and we can't
// block the main thread on the subscriber, it'll block other handlers, so we're doing
// this on a separate thread and posting the dialog to the main thread
creation
.Where(c => uiController.CurrentFlow == UIControllerFlow.Authentication)
.ObserveOn(RxApp.TaskpoolScheduler)
.Subscribe(c =>
{
// nothing to do, we already have a dialog
if (windowController != null)
return;
syncContext.Post(_ =>
{
windowController = new WindowController(creation,
__ => uiController.CurrentFlow == UIControllerFlow.Authentication,
___ => uiController.CurrentFlow != UIControllerFlow.Authentication);
windowController.WindowStartupLocation = WindowStartupLocation.CenterOwner;
windowController.Load(c.View);
windowController.ShowModal();
windowController = null;
}, null);
});
creation
.Where(c => uiController.CurrentFlow != UIControllerFlow.Authentication)
.Subscribe(c =>
{
if (!navigatingViaArrows)
{
if (c.Direction == LoadDirection.Forward)
GoForward(c.Data);
else if (c.Direction == LoadDirection.Back)
GoBack();
}
UpdateToolbar();
Control = c.View;
});
if (data != null)
uiController.Jump(data);
uiController.Start(conn);
}