private async Task ComputeSourceContentAsync(
IAsyncQuickInfoSource source,
IList <object> items,
IList <ITrackingSpan> applicableToSpans,
IList <Exception> failures,
CancellationToken cancellationToken)
{
Debug.Assert(!this.JoinableTaskContext.IsOnMainThread);
cancellationToken.ThrowIfCancellationRequested();
try
{
// Bug #512117: Remove compatibility shims for 2nd gen. Quick Info APIs.
if (!await this.TryComputeContentFromLegacySourceAsync(source, items, applicableToSpans).ConfigureAwait(false))
{
var result = await source.GetQuickInfoItemAsync(this, cancellationToken).ConfigureAwait(false);
if (result != null)
{
items.Add(result.Item);
if (result.ApplicableToSpan != null)
{
applicableToSpans.Add(result.ApplicableToSpan);
}
}
}
}
catch (Exception ex) when(ex.GetType() != typeof(OperationCanceledException))
{
failures.Add(ex);
}
}
private async Task ComputeSourceContentAsync(
IAsyncQuickInfoSource source,
IList <object> items,
IList <ITrackingSpan> applicableToSpans,
IList <Exception> failures,
CancellationToken cancellationToken)
{
Debug.Assert(!this.joinableTaskContext.IsOnMainThread);
cancellationToken.ThrowIfCancellationRequested();
try
{
var result = await source.GetQuickInfoItemAsync(this, cancellationToken).ConfigureAwait(false);
if (result != null)
{
items.Add(result.Item);
if (result.ApplicableToSpan != null)
{
applicableToSpans.Add(result.ApplicableToSpan);
}
}
}
catch (Exception ex) when(ex.GetType() != typeof(OperationCanceledException))
{
failures.Add(ex);
}
}
public static void TryCreateQuickInfoSourceReturnsTemplateQuickInfoSource()
{
ITemplateEditorOptions options = OptionsWithQuickInfoTooltipsEnabled(true);
var provider = new TemplateQuickInfoSourceProvider(options);
var textBuffer = new FakeTextBuffer(string.Empty);
IAsyncQuickInfoSource quickInfoSource = provider.TryCreateQuickInfoSource(textBuffer);
Assert.Equal(typeof(TemplateQuickInfoSource), quickInfoSource.GetType());
}
public static void TryCreateQuickInfoSourceReturnsSameObjectWhenCalledMultipleTimesForSameBuffer()
{
ITemplateEditorOptions options = OptionsWithQuickInfoTooltipsEnabled(true);
var provider = new TemplateQuickInfoSourceProvider(options);
var textBuffer = new FakeTextBuffer(string.Empty);
IAsyncQuickInfoSource source1 = provider.TryCreateQuickInfoSource(textBuffer);
IAsyncQuickInfoSource source2 = provider.TryCreateQuickInfoSource(textBuffer);
Assert.Same(source1, source2);
}
// Bug #512117: Remove compatibility shims for 2nd gen. Quick Info APIs.
private async Task <bool> TryComputeContentFromLegacySourceAsync(
IAsyncQuickInfoSource source,
IList <object> items,
IList <ITrackingSpan> applicableToSpans)
{
if (source is ILegacyQuickInfoSource legacySource)
{
#pragma warning restore 618
// Legacy sources expect to be on the UI thread.
await this.JoinableTaskContext.Factory.SwitchToMainThreadAsync();
legacySource.AugmentQuickInfoSession(this, items, out var applicableToSpan);
if (applicableToSpan != null)
{
applicableToSpans.Add(applicableToSpan);
}
return(true);
}
return(false);
}
public OrderedSource(int order, IAsyncQuickInfoSource source)
{
this.Order = order;
this.Source = source ?? throw new ArgumentNullException(nameof(source));
}
