public static IObservable <IBinaryMessage> LoadPlugin <T>(this IUnoHostControl control, IObservable <IBinaryMessage> input)
{
return(Observable
.Create <IBinaryMessage>(async observer =>
{
var outputSub = control.Messages.Subscribe(observer.OnNext);
var ping = UnoHost.LoadPlugin.FromType <T>();
var gotPong = control.Messages.TryParse(UnoHost.LoadPlugin.MessageType, UnoHost.LoadPlugin.ReadDataFrom)
.Where(pong => ping.Equals(pong))
.FirstAsync().ToTask();
control.MessagesTo.OnNext(ping);
await gotPong;
var inputSub = input.Subscribe(control.MessagesTo.OnNext);
return Disposable.Combine(outputSub, inputSub);
})
.Publish().RefCount());
}
public static IDisposable Initialize(
IUnoHostControl unoHost,
IObservable <bool> selectionEnabled,
IProject project)
{
var context = project.Context;
var input = Observable.Merge <IBinaryMessage>(
selectionEnabled.Select(select => new ChangeTool {
Tool = select ? Tool.Select : Tool.None,
}),
context.CurrentSelection.SimulatorId.Select(id => new ChangeSelection {
IsPreview = false, Id = id
}),
context.PreviewedSelection.SimulatorId.Select(id => new ChangeSelection {
IsPreview = true, Id = id
}));
var output = unoHost.LoadPlugin <Gizmos>(input);
return(output
.TryParse(ChangeSelection.MessageType, ChangeSelection.ReadDataFrom)
.Select(msg =>
Observable.FromAsync(async() =>
{
if (msg.IsPreview)
{
await context.Preview(project.GetElement(msg.Id));
}
else
{
await context.Select(project.GetElement(msg.Id));
}
}))
.Concat()
.Subscribe());
}