void End(bool success)
{
uiProvider.RemoveService(typeof(IConnection));
completion?.OnNext(success);
completion?.OnCompleted();
transition.OnCompleted();
}
CloneRequest ShowCloneDialog(IUIProvider uiProvider, IGitRepositoriesExt gitRepositories, ISimpleRepositoryModel repository = null)
{
string basePath = null;
uiProvider.AddService(this, gitRepositories);
var load = uiProvider.SetupUI(repository == null ? UIControllerFlow.Clone : UIControllerFlow.StartPageClone,
null //TODO: set the connection corresponding to the repository if the repository is not null
);
load.Subscribe(x =>
{
if ((repository == null && x.Data.ViewType == Exports.UIViewType.Clone) || // fire the normal clone dialog
(repository != null && x.Data.ViewType == Exports.UIViewType.StartPageClone) // fire the clone dialog for re-acquiring a repo
)
{
var vm = x.View.ViewModel as IBaseCloneViewModel;
if (repository != null)
{
vm.SelectedRepository = repository;
}
x.View.Done.Subscribe(_ =>
{
basePath = vm.BaseRepositoryPath;
if (repository == null)
{
repository = vm.SelectedRepository;
}
});
}
});
uiProvider.RunUI();
uiProvider.RemoveService(typeof(IGitRepositoriesExt), this);
return(new CloneRequest(basePath, repository));
}
public UIController(IUIProvider uiProvider, IRepositoryHosts hosts, IExportFactoryProvider factory,
IConnectionManager connectionManager, Lazy<ITwoFactorChallengeHandler> lazyTwoFactorChallengeHandler)
{
this.factory = factory;
this.uiProvider = uiProvider;
this.hosts = hosts;
this.connectionManager = connectionManager;
this.lazyTwoFactorChallengeHandler = lazyTwoFactorChallengeHandler;
#if DEBUG
if (Application.Current != null && !Splat.ModeDetector.InUnitTestRunner())
{
var waitDispatcher = RxApp.MainThreadScheduler as WaitForDispatcherScheduler;
if (waitDispatcher != null)
{
Debug.Assert(DispatcherScheduler.Current.Dispatcher == Application.Current.Dispatcher,
"DispatcherScheduler is set correctly");
}
else
{
Debug.Assert(((DispatcherScheduler)RxApp.MainThreadScheduler).Dispatcher == Application.Current.Dispatcher,
"The MainThreadScheduler is using the wrong dispatcher");
}
}
#endif
machine = new StateMachine<UIViewType, Trigger>(UIViewType.None);
machine.Configure(UIViewType.Login)
.OnEntry(() =>
{
RunView(UIViewType.Login);
})
.Permit(Trigger.Next, UIViewType.TwoFactor)
// Added the following line to make it easy to login to both GitHub and GitHub Enterprise
// in DesignTimeStyleHelper in order to test Publish.
.Permit(Trigger.Cancel, UIViewType.End)
.PermitIf(Trigger.Finish, UIViewType.End, () => currentFlow == UIControllerFlow.Authentication)
.PermitIf(Trigger.Finish, UIViewType.Create, () => currentFlow == UIControllerFlow.Create)
.PermitIf(Trigger.Finish, UIViewType.Clone, () => currentFlow == UIControllerFlow.Clone)
.PermitIf(Trigger.Finish, UIViewType.Publish, () => currentFlow == UIControllerFlow.Publish);
machine.Configure(UIViewType.TwoFactor)
.SubstateOf(UIViewType.Login)
.OnEntry(() =>
{
RunView(UIViewType.TwoFactor);
})
.Permit(Trigger.Cancel, UIViewType.End)
.PermitIf(Trigger.Next, UIViewType.End, () => currentFlow == UIControllerFlow.Authentication)
.PermitIf(Trigger.Next, UIViewType.Create, () => currentFlow == UIControllerFlow.Create)
.PermitIf(Trigger.Next, UIViewType.Clone, () => currentFlow == UIControllerFlow.Clone)
.PermitIf(Trigger.Next, UIViewType.Publish, () => currentFlow == UIControllerFlow.Publish);
machine.Configure(UIViewType.Create)
.OnEntry(() =>
{
RunView(UIViewType.Create);
})
.Permit(Trigger.Cancel, UIViewType.End)
.Permit(Trigger.Next, UIViewType.End);
machine.Configure(UIViewType.Clone)
.OnEntry(() =>
{
RunView(UIViewType.Clone);
})
.Permit(Trigger.Cancel, UIViewType.End)
.Permit(Trigger.Next, UIViewType.End);
machine.Configure(UIViewType.Publish)
.OnEntry(() =>
{
RunView(UIViewType.Publish);
})
.Permit(Trigger.Cancel, UIViewType.End)
.Permit(Trigger.Next, UIViewType.End);
machine.Configure(UIViewType.End)
.OnEntry(() =>
{
uiProvider.RemoveService(typeof(IConnection));
transition.OnCompleted();
})
.Permit(Trigger.Next, UIViewType.Finished);
// it might be useful later to check which triggered
// made us enter here (Cancel or Next) and set a final
// result accordingly, which is why UIViewType.End only
// allows a Next trigger
machine.Configure(UIViewType.Finished);
}
public UIController(IUIProvider uiProvider, IRepositoryHosts hosts, IExportFactoryProvider factory,
IConnectionManager connectionManager, Lazy <ITwoFactorChallengeHandler> lazyTwoFactorChallengeHandler)
{
this.factory = factory;
this.uiProvider = uiProvider;
this.hosts = hosts;
this.connectionManager = connectionManager;
this.lazyTwoFactorChallengeHandler = lazyTwoFactorChallengeHandler;
#if DEBUG
if (Application.Current != null && !Splat.ModeDetector.InUnitTestRunner())
{
var waitDispatcher = RxApp.MainThreadScheduler as WaitForDispatcherScheduler;
if (waitDispatcher != null)
{
Debug.Assert(DispatcherScheduler.Current.Dispatcher == Application.Current.Dispatcher,
"DispatcherScheduler is set correctly");
}
else
{
Debug.Assert(((DispatcherScheduler)RxApp.MainThreadScheduler).Dispatcher == Application.Current.Dispatcher,
"The MainThreadScheduler is using the wrong dispatcher");
}
}
#endif
machine = new StateMachine <UIViewType, Trigger>(UIViewType.None);
machine.Configure(UIViewType.Login)
.OnEntry(() =>
{
RunView(UIViewType.Login);
})
.Permit(Trigger.Next, UIViewType.TwoFactor)
// Added the following line to make it easy to login to both GitHub and GitHub Enterprise
// in DesignTimeStyleHelper in order to test Publish.
.Permit(Trigger.Cancel, UIViewType.End)
.PermitIf(Trigger.Finish, UIViewType.End, () => currentFlow == UIControllerFlow.Authentication)
.PermitIf(Trigger.Finish, UIViewType.Create, () => currentFlow == UIControllerFlow.Create)
.PermitIf(Trigger.Finish, UIViewType.Clone, () => currentFlow == UIControllerFlow.Clone)
.PermitIf(Trigger.Finish, UIViewType.Publish, () => currentFlow == UIControllerFlow.Publish);
machine.Configure(UIViewType.TwoFactor)
.SubstateOf(UIViewType.Login)
.OnEntry(() =>
{
RunView(UIViewType.TwoFactor);
})
.Permit(Trigger.Cancel, UIViewType.End)
.PermitIf(Trigger.Next, UIViewType.End, () => currentFlow == UIControllerFlow.Authentication)
.PermitIf(Trigger.Next, UIViewType.Create, () => currentFlow == UIControllerFlow.Create)
.PermitIf(Trigger.Next, UIViewType.Clone, () => currentFlow == UIControllerFlow.Clone)
.PermitIf(Trigger.Next, UIViewType.Publish, () => currentFlow == UIControllerFlow.Publish);
machine.Configure(UIViewType.Create)
.OnEntry(() =>
{
RunView(UIViewType.Create);
})
.Permit(Trigger.Cancel, UIViewType.End)
.Permit(Trigger.Next, UIViewType.End);
machine.Configure(UIViewType.Clone)
.OnEntry(() =>
{
RunView(UIViewType.Clone);
})
.Permit(Trigger.Cancel, UIViewType.End)
.Permit(Trigger.Next, UIViewType.End);
machine.Configure(UIViewType.Publish)
.OnEntry(() =>
{
RunView(UIViewType.Publish);
})
.Permit(Trigger.Cancel, UIViewType.End)
.Permit(Trigger.Next, UIViewType.End);
machine.Configure(UIViewType.End)
.OnEntry(() =>
{
uiProvider.RemoveService(typeof(IConnection));
transition.OnCompleted();
})
.Permit(Trigger.Next, UIViewType.Finished);
// it might be useful later to check which triggered
// made us enter here (Cancel or Next) and set a final
// result accordingly, which is why UIViewType.End only
// allows a Next trigger
machine.Configure(UIViewType.Finished);
}
/// <summary>
/// Configures the UI that gets loaded when entering a certain state and which state
/// to go to for each trigger. Which state to go to depends on which ui flow state machine
/// is currently active - when a trigger happens, the PermitDynamic conditions will
/// lookup the currently active state machine from the list of available ones in `machines`,
/// fire the requested trigger on it, and return the state that it went to, which causes
/// `uiStateMachine` to load a new UI (or exit)
/// There is a bit of redundant information regarding valid state transitions between this
/// state machine and the individual state machines for each ui flow. This is unavoidable
/// because permited transition triggers have to be explicit, so care should be taken to
/// make sure permitted triggers per view here match the permitted triggers in the individual
/// state machines.
/// </summary>
void ConfigureUIHandlingStates()
{
uiStateMachine.Configure(UIViewType.None)
.OnEntry(tr => stopping = false)
.PermitDynamic(Trigger.Next, () =>
{
var loggedIn = connection != null && hosts.LookupHost(connection.HostAddress).IsLoggedIn;
activeFlow = loggedIn ? mainFlow : UIControllerFlow.Authentication;
return(Go(Trigger.Next));
})
.PermitDynamic(Trigger.Finish, () => Go(Trigger.Finish));
uiStateMachine.Configure(UIViewType.Clone)
.OnEntry(tr => RunView(UIViewType.Clone, CalculateDirection(tr)))
.PermitDynamic(Trigger.Next, () => Go(Trigger.Next))
.PermitDynamic(Trigger.Cancel, () => Go(Trigger.Cancel))
.PermitDynamic(Trigger.Finish, () => Go(Trigger.Finish));
uiStateMachine.Configure(UIViewType.Create)
.OnEntry(tr => RunView(UIViewType.Create, CalculateDirection(tr)))
.PermitDynamic(Trigger.Next, () => Go(Trigger.Next))
.PermitDynamic(Trigger.Cancel, () => Go(Trigger.Cancel))
.PermitDynamic(Trigger.Finish, () => Go(Trigger.Finish));
uiStateMachine.Configure(UIViewType.Publish)
.OnEntry(tr => RunView(UIViewType.Publish, CalculateDirection(tr)))
.PermitDynamic(Trigger.Next, () => Go(Trigger.Next))
.PermitDynamic(Trigger.Cancel, () => Go(Trigger.Cancel))
.PermitDynamic(Trigger.Finish, () => Go(Trigger.Finish));
uiStateMachine.Configure(UIViewType.PRList)
.OnEntry(tr => RunView(UIViewType.PRList, CalculateDirection(tr)))
.PermitDynamic(Trigger.Next, () => Go(Trigger.Next))
.PermitDynamic(Trigger.PRDetail, () => Go(Trigger.PRDetail))
.PermitDynamic(Trigger.PRCreation, () => Go(Trigger.PRCreation))
.PermitDynamic(Trigger.Cancel, () => Go(Trigger.Cancel))
.PermitDynamic(Trigger.Finish, () => Go(Trigger.Finish));
triggers.Add(Trigger.PRDetail, uiStateMachine.SetTriggerParameters <ViewWithData>(Trigger.PRDetail));
uiStateMachine.Configure(UIViewType.PRDetail)
.OnEntryFrom(triggers[Trigger.PRDetail], (arg, tr) => RunView(UIViewType.PRDetail, CalculateDirection(tr), arg))
.PermitDynamic(Trigger.Next, () => Go(Trigger.Next))
.PermitDynamic(Trigger.Cancel, () => Go(Trigger.Cancel))
.PermitDynamic(Trigger.Finish, () => Go(Trigger.Finish));
uiStateMachine.Configure(UIViewType.PRCreation)
.OnEntry(tr => RunView(UIViewType.PRCreation, CalculateDirection(tr)))
.PermitDynamic(Trigger.Next, () => Go(Trigger.Next))
.PermitDynamic(Trigger.Cancel, () => Go(Trigger.Cancel))
.PermitDynamic(Trigger.Finish, () => Go(Trigger.Finish));
uiStateMachine.Configure(UIViewType.Login)
.OnEntry(tr => RunView(UIViewType.Login, CalculateDirection(tr)))
.PermitDynamic(Trigger.Next, () => Go(Trigger.Next))
.PermitDynamic(Trigger.Cancel, () => Go(Trigger.Cancel))
.PermitDynamic(Trigger.Finish, () => Go(Trigger.Finish));
uiStateMachine.Configure(UIViewType.TwoFactor)
.OnEntry(tr => RunView(UIViewType.TwoFactor, CalculateDirection(tr)))
.PermitDynamic(Trigger.Next, () => Go(Trigger.Next))
.PermitDynamic(Trigger.Cancel, () => Go(Trigger.Cancel))
.PermitDynamic(Trigger.Finish, () => Go(Trigger.Finish));
uiStateMachine.Configure(UIViewType.End)
.OnEntryFrom(Trigger.Cancel, () => End(false))
.OnEntryFrom(Trigger.Next, () => End(true))
.OnEntryFrom(Trigger.Finish, () => End(true))
// clear all the views and viewmodels created by a subflow
.OnExit(() =>
{
// it's important to have the stopping flag set before we do this
if (activeFlow == mainFlow)
{
completion?.OnNext(Success.Value);
completion?.OnCompleted();
}
DisposeFlow(activeFlow);
if (activeFlow == mainFlow)
{
uiProvider.RemoveService(typeof(IConnection), this);
transition.OnCompleted();
Reset();
}
else
{
activeFlow = stopping || LoggedIn ? mainFlow : UIControllerFlow.Authentication;
}
})
.PermitDynamic(Trigger.Next, () =>
{
// sets the state to None for the current flow
var state = Go(Trigger.Next);
if (activeFlow != mainFlow)
{
if (stopping)
{
// triggering the End state again so that it can clear up the main flow and really end
state = Go(Trigger.Finish, mainFlow);
}
else
{
// sets the state to the first UI of the main flow or the auth flow, depending on whether you're logged in
state = Go(Trigger.Next, LoggedIn ? mainFlow : UIControllerFlow.Authentication);
}
}
return(state);
})
.Permit(Trigger.Finish, UIViewType.None);
}
public void RemoveService(Type t, object owner) => theRealProvider.RemoveService(t, owner);