|
// 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;
namespace Microsoft.CodeAnalysis.ExternalAccess.UnitTesting.Api;
internal static class UnitTestingWorkspaceExtensions
{
public static IDisposable RegisterTextDocumentOpenedEventHandler(this Workspace workspace, Action<UnitTestingTextDocumentEventArgsWrapper> action)
=> new EventHandlerWrapper(workspace, action, opened: true);
public static IDisposable RegisterTextDocumentClosedEventHandler(this Workspace workspace, Action<UnitTestingTextDocumentEventArgsWrapper> action)
=> new EventHandlerWrapper(workspace, action, opened: false);
private sealed class EventHandlerWrapper : IDisposable
{
private readonly WorkspaceEventRegistration _textDocumentOperationDisposer;
internal EventHandlerWrapper(Workspace workspace, Action<UnitTestingTextDocumentEventArgsWrapper> action, bool opened)
{
_textDocumentOperationDisposer = opened
? workspace.RegisterTextDocumentOpenedHandler(HandleEvent)
: workspace.RegisterTextDocumentClosedHandler(HandleEvent);
void HandleEvent(TextDocumentEventArgs args)
=> action(new UnitTestingTextDocumentEventArgsWrapper(args));
}
public void Dispose()
=> _textDocumentOperationDisposer.Dispose();
}
}
|