private static IObservable <Unit> RegisterListener(this XafApplication application,
ReactiveTraceListener traceListener)
{
var register = application.Modules.WhenListChanged().SelectMany(_ => _.list.ToTraceSource().ToObservable(Scheduler.Immediate))
.Do(_ => {
if (!_.traceSource.Listeners.Contains(traceListener))
{
_.traceSource.Listeners.Add(traceListener);
}
}).ToUnit();
var applyModel = application.ReactiveModulesModel().ReactiveLogger()
.Select(logger => logger)
.Select(model => model.GetActiveSources())
.Do(modules => {
foreach (var module in modules)
{
var tuples = application.Modules.Where(m => m.Name == module.Id()).ToTraceSource();
foreach (var tuple in tuples)
{
tuple.traceSource.Switch.Level = module.Level;
if (!tuple.traceSource.Listeners.Contains(traceListener))
{
tuple.traceSource.Listeners.Add(traceListener);
}
}
}
})
.ToUnit();
return(register.Merge(applyModel));
}
internal static IObservable <Unit> Connect(this ReactiveLoggerModule reactiveLoggerModule)
{
var application = reactiveLoggerModule.Application;
if (application == null)
{
return(Observable.Empty <Unit>());
}
var listener = new ReactiveTraceListener(application.Title);
ListenerEvents = listener.EventTrace.Publish().RefCount();
return(application.BufferUntilCompatibilityChecked(ListenerEvents.Select(_ => _))
.SaveEvent(application)
.ToUnit()
.Merge(ListenerEvents.RefreshViewDataSource(application))
.Merge(application.RegisterListener(listener), Scheduler.Immediate));
}