// 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.
 
#nullable disable
 
using System;
using System.Composition;
using Microsoft.CodeAnalysis.Host;
using Microsoft.CodeAnalysis.Host.Mef;
using Microsoft.VisualStudio.Text;
using Microsoft.VisualStudio.Text.Operations;
 
namespace Microsoft.CodeAnalysis.Editor.Implementation.Workspaces;
 
[ExportWorkspaceServiceFactory(typeof(ITextUndoHistoryWorkspaceService), ServiceLayer.Default), Shared]
[method: ImportingConstructor]
[method: Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
internal class TextUndoHistoryWorkspaceServiceFactoryService(ITextUndoHistoryRegistry textUndoHistoryRegistry) : IWorkspaceServiceFactory
{
    private readonly ITextUndoHistoryRegistry _textUndoHistoryRegistry = textUndoHistoryRegistry;
 
    public IWorkspaceService CreateService(HostWorkspaceServices workspaceServices)
        => new TextUndoHistoryWorkspaceService(_textUndoHistoryRegistry);
 
    private class TextUndoHistoryWorkspaceService(ITextUndoHistoryRegistry textUndoHistoryRegistry) : ITextUndoHistoryWorkspaceService
    {
        private readonly ITextUndoHistoryRegistry _textUndoHistoryRegistry = textUndoHistoryRegistry;
 
        public bool TryGetTextUndoHistory(Workspace editorWorkspace, ITextBuffer textBuffer, out ITextUndoHistory undoHistory)
            => _textUndoHistoryRegistry.TryGetHistory(textBuffer, out undoHistory);
    }
}