internal void DisableCompletion()
{
var featureService = _featureServiceFactory.GetOrCreate(WpfTextView);
if (_completionDisabledToken == null)
{
_completionDisabledToken = featureService.Disable(PredefinedEditorFeatureNames.Completion, this);
}
}
/// <summary>
/// Returns whether completion feature is available in the given <see cref="ITextView" />.
/// Note: the second parameter <see cref="IContentType"/> is to be removed in dev16 when the experiment ends.
/// </summary>
/// <returns>true if experiment is enabled and feature is enabled in <see cref="ITextView"/>'s scope</returns>
internal bool IsCurrentlyAvailable(ITextView textView, IContentType contentTypeToCheckBlacklist)
{
var featureService = FeatureServiceFactory.GetOrCreate(textView);
if (!featureService.IsEnabled(PredefinedEditorFeatureNames.AsyncCompletion))
{
return(false);
}
// Roslyn and Razor providers exist in the MEF cache, but Roslyn is not ready for public rollout yet.
// However, We do want other languages (e.g. AXML, EditorConfig) to work with Async Completion API
// We will remove this check once Roslyn fully embraces Async Completion API.
if (!IsExperimentEnabled() && !contentTypeToCheckBlacklist.IsOfType(LanguageServerContentType) && (contentTypeToCheckBlacklist.IsOfType(RoslynLanguagesContentType) || contentTypeToCheckBlacklist.IsOfType(RazorContentType)))
{
return(false);
}
return(true);
}
private bool UseLegacyCompletion(IFeatureServiceFactory featureServiceFactory, ITextView textView, ITextBuffer subjectBuffer)
{
var newCompletionEnabled = featureServiceFactory.GetOrCreate(textView).IsEnabled(PredefinedEditorFeatureNames.AsyncCompletion);
// Check whether the feature flag (async completion API) is set or this feature is off.
if (newCompletionEnabled || !subjectBuffer.GetFeatureOnOffOption(InternalFeatureOnOffOptions.CompletionSet))
{
return(false);
}
// If we don't have a presenter, then there's no point in us even being involved. Just
// defer to the next handler in the chain.
// Also, if there's an inline rename session then we do not want completion.
if (_completionPresenter == null || _inlineRenameService.ActiveSession != null)
{
return(false);
}
return(true);
}
/// <summary>
/// Returns whether completion feature is available in the given <see cref="ITextView" />.
/// </summary>
/// <returns>true if feature is enabled in <see cref="ITextView"/>'s scope</returns>
internal bool IsCurrentlyAvailable(ITextView textView)
{
var featureService = FeatureServiceFactory.GetOrCreate(textView);
return(featureService.IsEnabled(PredefinedEditorFeatureNames.AsyncCompletion));
}