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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System.Collections.Generic;
using System.Composition;
using System.Diagnostics.CodeAnalysis;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CodeActions;
using Microsoft.CodeAnalysis.CodeRefactorings;
using Microsoft.VisualStudio.Text.Operations;
namespace Microsoft.CodeAnalysis.Editor.Implementation.RenameTracking;
[ExportCodeRefactoringProvider(LanguageNames.CSharp, LanguageNames.VisualBasic,
Name = PredefinedCodeRefactoringProviderNames.RenameTracking), Shared]
internal class RenameTrackingCodeRefactoringProvider : CodeRefactoringProvider
{
private readonly ITextUndoHistoryRegistry _undoHistoryRegistry;
private readonly IEnumerable<IRefactorNotifyService> _refactorNotifyServices;
[ImportingConstructor]
[SuppressMessage("RoslynDiagnosticsReliability", "RS0033:Importing constructor should be [Obsolete]", Justification = "Used in test code: https://github.com/dotnet/roslyn/issues/42814")]
public RenameTrackingCodeRefactoringProvider(
ITextUndoHistoryRegistry undoHistoryRegistry,
[ImportMany] IEnumerable<IRefactorNotifyService> refactorNotifyServices)
{
_undoHistoryRegistry = undoHistoryRegistry;
_refactorNotifyServices = refactorNotifyServices;
// Backdoor that allows this provider to use the high-priority bucket.
this.CustomTags = this.CustomTags.Add(CodeAction.CanBeHighPriorityTag);
}
public override Task ComputeRefactoringsAsync(CodeRefactoringContext context)
{
var (document, span, cancellationToken) = context;
var (action, renameSpan) = RenameTrackingTaggerProvider.TryGetCodeAction(
document, span, _refactorNotifyServices, _undoHistoryRegistry, cancellationToken);
if (action != null)
context.RegisterRefactoring(action, renameSpan);
return Task.CompletedTask;
}
/// <summary>
/// This is a high priority refactoring that we want to run first so that the user can quickly
/// change the name of something and pop up the lightbulb without having to wait for the rest to
/// compute.
/// </summary>
protected override CodeActionRequestPriority ComputeRequestPriority()
=> CodeActionRequestPriority.High;
}
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