async Task GetDescriptionAsync(RoslynCompletionCollection collection, RoslynCompletion completion, CancellationToken cancellationToken)
{
var description = await collection.GetDescriptionAsync(completion, cancellationToken);
if (description == null || description.TaggedParts.IsDefault || description.TaggedParts.Length == 0)
{
InitializeDefaultDocumentation();
}
else
{
Content = CreateContent(description);
}
}
public AsyncToolTipContent(CompletionToolTipProvider owner, RoslynCompletionCollection collection, RoslynCompletion completion, ICompletionSession session, ITaggedTextElementProviderService taggedTextElementProviderService, IThemeClassificationTypeService themeClassificationTypeService)
{
this.owner = owner;
this.Session = session;
this.cancellationTokenSource = new CancellationTokenSource();
this.taggedTextElementProviderService = taggedTextElementProviderService;
this.themeClassificationTypeService = themeClassificationTypeService;
this.Session.Dismissed += Session_Dismissed;
Unloaded += AsyncToolTipContent_Unloaded;
GetDescriptionAsync(collection, completion, cancellationTokenSource.Token)
.ContinueWith(t => {
var ex = t.Exception;
Dispose();
}, CancellationToken.None, TaskContinuationOptions.None, TaskScheduler.FromCurrentSynchronizationContext());
}
public void AugmentCompletionSession(ICompletionSession session, IList <CompletionCollection> completionSets)
{
var snapshot = session.TextView.TextSnapshot;
var triggerPoint = session.GetTriggerPoint(snapshot);
if (triggerPoint == null)
{
return;
}
var info = CompletionInfo.Create(snapshot);
if (info == null)
{
return;
}
// This helps a little to speed up the code
ProfileOptimizationHelper.StartProfile("roslyn-completion-" + info.Value.CompletionService.Language);
CompletionTrigger completionTrigger;
session.Properties.TryGetProperty(typeof(CompletionTrigger), out completionTrigger);
var completionList = info.Value.CompletionService.GetCompletionsAsync(info.Value.Document, triggerPoint.Value.Position, completionTrigger).GetAwaiter().GetResult();
if (completionList == null)
{
return;
}
Debug.Assert(completionList.DefaultSpan.End <= snapshot.Length);
if (completionList.DefaultSpan.End > snapshot.Length)
{
return;
}
var trackingSpan = snapshot.CreateTrackingSpan(completionList.DefaultSpan.Start, completionList.DefaultSpan.Length, SpanTrackingMode.EdgeInclusive, TrackingFidelityMode.Forward);
var completionSet = RoslynCompletionCollection.Create(mruCompletionService, completionList, info.Value.CompletionService, session.TextView, trackingSpan);
completionSets.Add(completionSet);
}
