// 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.ComponentModel.Composition;
using Microsoft.CodeAnalysis.Editor.Host;
using Microsoft.CodeAnalysis.Editor.Implementation.CallHierarchy;
using Microsoft.CodeAnalysis.Host.Mef;
using Microsoft.VisualStudio.CallHierarchy.Package.Definitions;
using Microsoft.VisualStudio.Shell;
 
namespace Microsoft.VisualStudio.LanguageServices.Implementation.CallHierarchy;
 
[Export(typeof(ICallHierarchyPresenter))]
internal class CallHierarchyPresenter : ICallHierarchyPresenter
{
    private readonly IServiceProvider _serviceProvider;
 
    [ImportingConstructor]
    [Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
    public CallHierarchyPresenter(SVsServiceProvider serviceProvider)
        => _serviceProvider = serviceProvider;
 
    public void PresentRoot(CallHierarchyItem root)
    {
        var callHierarchy = _serviceProvider.GetService(typeof(SCallHierarchy)) as ICallHierarchy;
        callHierarchy.ShowToolWindow();
        callHierarchy.AddRootItem(root);
    }
}