// 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 Microsoft.CodeAnalysis.Host.Mef;
using Microsoft.CodeAnalysis.Shared.TestHooks;
using System;
using System.Composition;
 
namespace Microsoft.CodeAnalysis.Host
{
    [ExportWorkspaceService(typeof(IWorkspaceAsynchronousOperationListenerProvider), ServiceLayer.Default)]
    [Shared]
    internal sealed class WorkspaceAsynchronousOperationListenerProvider : IWorkspaceAsynchronousOperationListenerProvider
    {
        private readonly IAsynchronousOperationListener _listener;
 
        [ImportingConstructor]
        [Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
        public WorkspaceAsynchronousOperationListenerProvider(IAsynchronousOperationListenerProvider listenerProvider)
            => _listener = listenerProvider.GetListener(FeatureAttribute.Workspace);
 
        public IAsynchronousOperationListener GetListener()
            => _listener;
    }
}