private bool TryExecuteCommand(int caretPosition, Document document, IFindUsagesServiceRenameOnceTypeScriptMovesToExternalAccess findUsagesService)
{
// See if we're running on a host that can provide streaming results.
// We'll both need a FAR service that can stream results to us, and
// a presenter that can accept streamed results.
if (findUsagesService != null && _streamingPresenter != null)
{
_ = StreamingFindReferencesAsync(document, caretPosition, findUsagesService, _streamingPresenter);
return(true);
}
return(false);
}
private async Task StreamingFindReferencesAsync(
Document document, int caretPosition,
IFindUsagesServiceRenameOnceTypeScriptMovesToExternalAccess findUsagesService,
IStreamingFindUsagesPresenter presenter)
{
try
{
using var token = _asyncListener.BeginAsyncOperation(nameof(StreamingFindReferencesAsync));
// Let the presented know we're starting a search. It will give us back the context object that the FAR
// service will push results into. This operation is not externally cancellable. Instead, the find refs
// window will cancel it if another request is made to use it.
var context = presenter.StartSearchWithCustomColumns(
EditorFeaturesResources.Find_References,
supportsReferences: true,
includeContainingTypeAndMemberColumns: document.Project.SupportsCompilation,
includeKindColumn: document.Project.Language != LanguageNames.FSharp,
CancellationToken.None);
using (Logger.LogBlock(
FunctionId.CommandHandler_FindAllReference,
KeyValueLogMessage.Create(LogType.UserAction, m => m["type"] = "streaming"),
context.CancellationToken))
{
try
{
await findUsagesService.FindReferencesAsync(document, caretPosition, context).ConfigureAwait(false);
}
finally
{
await context.OnCompletedAsync().ConfigureAwait(false);
}
}
}
catch (OperationCanceledException)
{
}
catch (Exception e) when(FatalError.ReportAndCatch(e))
{
}
}
protected virtual Task FindImplementationsAsync(IFindUsagesServiceRenameOnceTypeScriptMovesToExternalAccess findUsagesService, Document document, int position, SimpleFindUsagesContext context) => findUsagesService.FindImplementationsAsync(document, position, context);
