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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.
#nullable disable
using System;
using System.ComponentModel.Composition;
using Microsoft.CodeAnalysis.Editor.Shared.Extensions;
using Microsoft.CodeAnalysis.Editor.Shared.Utilities;
using Microsoft.CodeAnalysis.Host.Mef;
using Microsoft.VisualStudio.Language.Intellisense;
using Microsoft.VisualStudio.Text;
using Microsoft.VisualStudio.Text.Editor;
using Microsoft.VisualStudio.Utilities;
namespace Microsoft.CodeAnalysis.Editor.Implementation.IntelliSense.SignatureHelp.Presentation
{
[Export(typeof(ISignatureHelpSourceProvider))]
[Export(typeof(IIntelliSensePresenter<ISignatureHelpPresenterSession, ISignatureHelpSession>))]
[Name(PredefinedSignatureHelpPresenterNames.RoslynSignatureHelpPresenter)]
[ContentType(ContentTypeNames.RoslynContentType)]
internal partial class SignatureHelpPresenter : IIntelliSensePresenter<ISignatureHelpPresenterSession, ISignatureHelpSession>, ISignatureHelpSourceProvider
{
private static readonly object s_augmentSessionKey = new();
private readonly IThreadingContext _threadingContext;
private readonly ISignatureHelpBroker _sigHelpBroker;
[ImportingConstructor]
[Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
public SignatureHelpPresenter(IThreadingContext threadingContext, ISignatureHelpBroker sigHelpBroker)
{
_threadingContext = threadingContext;
_sigHelpBroker = sigHelpBroker;
}
ISignatureHelpPresenterSession IIntelliSensePresenter<ISignatureHelpPresenterSession, ISignatureHelpSession>.CreateSession(ITextView textView, ITextBuffer subjectBuffer, ISignatureHelpSession sessionOpt)
{
_threadingContext.ThrowIfNotOnUIThread();
return new SignatureHelpPresenterSession(_threadingContext, _sigHelpBroker, textView);
}
ISignatureHelpSource ISignatureHelpSourceProvider.TryCreateSignatureHelpSource(ITextBuffer textBuffer)
{
_threadingContext.ThrowIfNotOnUIThread();
return new SignatureHelpSource(_threadingContext);
}
}
}
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