[release/dev18.0] Source code updates from dotnet/dotnet

Directory.Packages.props

@@ -28,7 +28,7 @@
     <PackageVersion Include="MessagePack" Version="2.5.198" />
     <PackageVersion Include="Microsoft.AspNetCore.App.Runtime.$(NetCoreSDKRuntimeIdentifier)" Version="8.0.2" />
     <PackageVersion Include="Microsoft.Build.Framework" Version="$(_MicrosoftBuildPackageVersion)" />
-    <PackageVersion Include="Microsoft.Build.Locator" Version="1.8.1" />
+    <PackageVersion Include="Microsoft.Build.Locator" Version="1.10.2" />
     <PackageVersion Include="Microsoft.Build.Tasks.Core" Version="$(_MicrosoftBuildPackageVersion)" />
     <PackageVersion Include="Microsoft.Build.Utilities.Core" Version="$(_MicrosoftBuildPackageVersion)" />
     <PackageVersion Include="Microsoft.CodeAnalysis.Analyzer.Testing" Version="1.1.3-beta1.24423.1" />

eng/Version.Details.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
-  <Source Uri="https://github.com/dotnet/dotnet" Mapping="razor" Sha="e72b5bbe719d747036ce9c36582a205df9f1c361" BarId="285185" />
+  <Source Uri="https://github.com/dotnet/dotnet" Mapping="razor" Sha="e17b0d08def649f30aed9c09cf4a2c5741a3c76c" BarId="289695" />
   <ProductDependencies>
     <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="5.0.0-2.25461.22">
       <Uri>https://github.com/dotnet/roslyn</Uri>

src/Razor/src/Microsoft.VisualStudio.LanguageServices.Razor/LanguageClient/Cohost/SemanticTokensRefreshNotifier.cs

@@ -0,0 +1,56 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System;
+using System.ComponentModel.Composition;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.CodeAnalysis.ExternalAccess.Razor;
+using Microsoft.CodeAnalysis.ExternalAccess.Razor.Cohost;
+using Microsoft.CodeAnalysis.Razor.Workspaces.Settings;
+using Microsoft.VisualStudio.Razor.LanguageClient.Cohost;
+using Microsoft.VisualStudio.Threading;
+
+namespace Microsoft.AspNetCore.Razor.LanguageServer;
+
+[Export(typeof(IRazorCohostStartupService))]
+[method: ImportingConstructor]
+internal sealed class SemanticTokensRefreshNotifier(IClientSettingsManager clientSettingsManager) : IRazorCohostStartupService, IDisposable
+{
+    private readonly IClientSettingsManager _clientSettingsManager = clientSettingsManager;
+
+    private IRazorClientLanguageServerManager? _razorClientLanguageServerManager;
+    private bool _lastColorBackground;
+
+    public int Order => WellKnownStartupOrder.Default;
+
+    public Task StartupAsync(VSInternalClientCapabilities clientCapabilities, RazorCohostRequestContext requestContext, CancellationToken cancellationToken)
+    {
+        _razorClientLanguageServerManager = requestContext.GetRequiredService<IRazorClientLanguageServerManager>();
+
+        if (clientCapabilities.Workspace?.SemanticTokens?.RefreshSupport ?? false)
+        {
+            _lastColorBackground = _clientSettingsManager.GetClientSettings().AdvancedSettings.ColorBackground;
+            _clientSettingsManager.ClientSettingsChanged += ClientSettingsManager_ClientSettingsChanged;
+        }
+
+        return Task.CompletedTask;
+    }
+
+    private void ClientSettingsManager_ClientSettingsChanged(object sender, EventArgs e)
+    {
+        var colorBackground = _clientSettingsManager.GetClientSettings().AdvancedSettings.ColorBackground;
+        if (colorBackground == _lastColorBackground)
+        {
+            return;
+        }
+
+        _lastColorBackground = colorBackground;
+        _razorClientLanguageServerManager.AssumeNotNull().SendNotificationAsync(Methods.WorkspaceSemanticTokensRefreshName, CancellationToken.None).Forget();
+    }
+
+    public void Dispose()
+    {
+        _clientSettingsManager.ClientSettingsChanged -= ClientSettingsManager_ClientSettingsChanged;
+    }
+}