Add Razor support to Project Context status when cohosting. (#8625)

Author: JoeRobich

src/lsptoolshost/projectContext/projectContextService.ts

@@ -9,6 +9,7 @@ import { VSGetProjectContextsRequest, VSProjectContext, VSProjectContextList } f
 import { TextDocumentIdentifier } from 'vscode-languageserver-protocol';
 import { UriConverter } from '../utils/uriConverter';
 import { LanguageServerEvents, ServerState } from '../server/languageServerEvents';
+import { razorOptions } from '../../shared/options';
 
 export interface ProjectContextChangeEvent {
     languageId: string;
@@ -53,7 +54,14 @@ export class ProjectContextService {
         const textEditor = vscode.window.activeTextEditor;
         const languageId = textEditor?.document?.languageId;
         if (languageId !== 'csharp') {
-            return;
+            if (languageId !== 'aspnetcorerazor') {
+                return;
+            }
+
+            // We only support Razor when cohosting is enabled.
+            if (!razorOptions.cohostingEnabled) {
+                return;
+            }
         }
 
         // If we have an open request, cancel it.

src/lsptoolshost/projectContext/projectContextStatus.ts

@@ -5,17 +5,17 @@
 
 import * as vscode from 'vscode';
 import { RoslynLanguageServer } from '../server/roslynLanguageServer';
-import { languageServerOptions } from '../../shared/options';
+import { languageServerOptions, razorOptions } from '../../shared/options';
 import { RazorLanguage } from '../../razor/src/razorLanguage';
 import { ServerState } from '../server/languageServerEvents';
 import { combineDocumentSelectors } from '../../shared/utils/combineDocumentSelectors';
 
 export class ProjectContextStatus {
     static createStatusItem(context: vscode.ExtensionContext, languageServer: RoslynLanguageServer) {
-        const documentSelector = combineDocumentSelectors(
-            languageServerOptions.documentSelector,
-            RazorLanguage.documentSelector
-        );
+        // We only support Razor when cohosting is enabled.
+        const documentSelector = razorOptions.cohostingEnabled
+            ? combineDocumentSelectors(languageServerOptions.documentSelector, RazorLanguage.documentSelector)
+            : combineDocumentSelectors(languageServerOptions.documentSelector);
         const projectContextService = languageServer._projectContextService;
 
         const item = vscode.languages.createLanguageStatusItem('csharp.projectContextStatus', documentSelector);