Localization service override

README.md

@@ -236,6 +236,8 @@ Additionally, several packages that include the VSCode version of some services
   - Survey/feedback support
 - **Update**
   - Update detection, release notes...
+- **Localization**
+  - Register callbacks to update the display language from the VSCode UI (either from the `Set Display Language` command or from the extension gallery extension packs)
 
 Usage:
 

demo/package.json

@@ -180,6 +180,7 @@
     "@codingame/monaco-vscode-workspace-trust-service-override": "file:../dist/service-override-workspace-trust",
     "@codingame/monaco-vscode-xml-default-extension": "file:../dist/default-extension-xml",
     "@codingame/monaco-vscode-yaml-default-extension": "file:../dist/default-extension-yaml",
+    "@codingame/monaco-vscode-localization-service-override": "file:../dist/service-override-localization",
     "ansi-colors": "^4.1.3",
     "dockerode": "^4.0.2",
     "express": "^4.19.2",

demo/src/main.common.ts

@@ -80,19 +80,6 @@ void getApi().then(async vscode => {
     code: 42
   }])
 
-  const locale = new URLSearchParams(window.location.search).get('locale') ?? ''
-  const select: HTMLSelectElement = document.querySelector('#localeSelect')!
-  select.value = locale
-  select.addEventListener('change', () => {
-    const url = new URL(window.location.href)
-    if (select.value !== '') {
-      url.searchParams.set('locale', select.value)
-    } else {
-      url.searchParams.delete('locale')
-    }
-    window.location.href = url.toString()
-  })
-
   document.querySelector('#toggleFullWorkbench')!.addEventListener('click', async () => {
     const url = new URL(window.location.href)
     if (url.searchParams.get('mode') === 'full-workbench') {

demo/src/setup.common.ts

@@ -55,6 +55,7 @@ import getSpeechServiceOverride from '@codingame/monaco-vscode-speech-service-ov
 import getSurveyServiceOverride from '@codingame/monaco-vscode-survey-service-override'
 import getUpdateServiceOverride from '@codingame/monaco-vscode-update-service-override'
 import getExplorerServiceOverride from '@codingame/monaco-vscode-explorer-service-override'
+import getLocalizationServiceOverride from '@codingame/monaco-vscode-localization-service-override'
 import { EnvironmentOverride } from 'vscode/workbench'
 import { Worker } from './tools/crossOriginWorker'
 import defaultKeybindings from './user/keybindings.json?raw'
@@ -248,6 +249,8 @@ export const constructOptions: IWorkbenchConstructionOptions = {
     message: 'Welcome in monaco-vscode-api demo'
   },
   productConfiguration: {
+    nameShort: 'monaco-vscode-api',
+    nameLong: 'monaco-vscode-api',
     extensionsGallery: {
       serviceUrl: 'https://open-vsx.org/vscode/gallery',
       itemUrl: 'https://open-vsx.org/vscode/item',
@@ -322,5 +325,66 @@ export const commonServices: IEditorOverrideServices = {
   ...getSpeechServiceOverride(),
   ...getSurveyServiceOverride(),
   ...getUpdateServiceOverride(),
-  ...getExplorerServiceOverride()
+  ...getExplorerServiceOverride(),
+  ...getLocalizationServiceOverride({
+    async clearLocale () {
+      const url = new URL(window.location.href)
+      url.searchParams.delete('locale')
+      window.history.pushState(null, '', url.toString())
+    },
+    async setLocale (id) {
+      const url = new URL(window.location.href)
+      url.searchParams.set('locale', id)
+      window.history.pushState(null, '', url.toString())
+    },
+    availableLanguages: [{
+      locale: 'en',
+      languageName: 'English'
+    }, {
+      locale: 'cs',
+      languageName: 'Czech'
+    }, {
+      locale: 'de',
+      languageName: 'German'
+    }, {
+      locale: 'es',
+      languageName: 'Spanish'
+    }, {
+      locale: 'fr',
+      languageName: 'French'
+    }, {
+      locale: 'it',
+      languageName: 'Italian'
+    }, {
+      locale: 'ja',
+      languageName: 'Japanese'
+    }, {
+      locale: 'ko',
+      languageName: 'Korean'
+    }, {
+      locale: 'pl',
+      languageName: 'Polish'
+    }, {
+      locale: 'pt-br',
+      languageName: 'Portuguese (Brazil)'
+    }, {
+      locale: 'qps-ploc',
+      languageName: 'Pseudo Language'
+    }, {
+      locale: 'ru',
+      languageName: 'Russian'
+    }, {
+      locale: 'tr',
+      languageName: 'Turkish'
+    }, {
+      locale: 'zh-hans',
+      languageName: 'Chinese (Simplified)'
+    }, {
+      locale: 'zh-hant',
+      languageName: 'Chinese (Traditional)'
+    }, {
+      locale: 'en',
+      languageName: 'English'
+    }]
+  })
 }

demo/src/setup.views.ts

@@ -41,25 +41,6 @@ container.innerHTML = `
     <br />
     <button id="togglePanel">Toggle Panel</button>
     <button id="toggleAuxiliary">Toggle Secondary Panel</button>
-    <br />
-    <label for="localeSelect">Language:</label>
-    <select id="localeSelect">
-      <option value="">English</option>
-      <option value="cs">Czech</option>
-      <option value="de">German</option>
-      <option value="es">Spanish</option>
-      <option value="fr">French</option>
-      <option value="it">Italian</option>
-      <option value="ja">Japanese</option>
-      <option value="ko">Korean</option>
-      <option value="pl">Polish</option>
-      <option value="pt-br">Portuguese (Brazil)</option>
-      <option value="qps-ploc">Pseudo Language</option>
-      <option value="ru">Russian</option>
-      <option value="tr">Turkish</option>
-      <option value="zh-hans">Chinese (Simplified)</option>
-      <option value="zh-hant">Chinese (Traditional)</option>
-    </select>
   </div>
   <div style="display: flex; flex: none; border: 1px solid var(--vscode-editorWidget-border);">
     <div id="sidebar-right" style="max-width: 500px"></div>

demo/src/setup.workbench.ts

@@ -22,25 +22,6 @@ buttons.innerHTML = `
 <br />
 <button id="togglePanel">Toggle Panel</button>
 <button id="toggleAuxiliary">Toggle Secondary Panel</button>
-<br />
-<label for="localeSelect">Language:</label>
-<select id="localeSelect">
-  <option value="">English</option>
-  <option value="cs">Czech</option>
-  <option value="de">German</option>
-  <option value="es">Spanish</option>
-  <option value="fr">French</option>
-  <option value="it">Italian</option>
-  <option value="ja">Japanese</option>
-  <option value="ko">Korean</option>
-  <option value="pl">Polish</option>
-  <option value="pt-br">Portuguese (Brazil)</option>
-  <option value="qps-ploc">Pseudo Language</option>
-  <option value="ru">Russian</option>
-  <option value="tr">Turkish</option>
-  <option value="zh-hans">Chinese (Simplified)</option>
-  <option value="zh-hant">Chinese (Traditional)</option>
-</select>
 </div>
 `
 document.body.append(buttons)

rollup/rollup.config.ts

@@ -75,7 +75,7 @@ const REMOVE_WORKBENCH_CONTRIBUTIONS = new Set([
 /**
  * root files that should never be extracted from the main package to a service override package
  */
-const SHARED_ROOT_FILES_BETWEEN_PACKAGES = ['services.js', 'extensions.js', 'monaco.js', 'assets.js', 'lifecycle.js', 'workbench.js', 'missing-services.js']
+const SHARED_ROOT_FILES_BETWEEN_PACKAGES = ['services.js', 'extensions.js', 'monaco.js', 'assets.js', 'lifecycle.js', 'workbench.js', 'missing-services.js', 'l10n.js']
 /**
  * Files to expose in the editor-api package (just exporting everyting from the corresponding VSCode file)
  * for compability with libraries that import internal monaco-editor modules

rollup/rollup.language-packs.ts

@@ -82,7 +82,7 @@ export default rollup.defineConfig([
             return `
 import { registerLocalization } from 'vscode/l10n'
 import content from '${path.resolve(id, mainTranslation.path)}'
-registerLocalization('${mainLocalization.languageId}', content, {
+registerLocalization('${packageJson.publisher}.${packageJson.name}', '${mainLocalization.languageId}', content, {
 ${Object.entries(translationAssets).map(([id, assetRef]) => `  '${id}': new URL(import.meta.ROLLUP_FILE_URL_${assetRef}, import.meta.url).href`).join(',\n')}
 })
   `

src/l10n.ts

@@ -1,21 +1,39 @@
 import { setLocale, isInitialized } from 'vs/nls'
 
 const extensionTranslationsUri: Record<string, Record<string, string>> = {}
+let currentLocaleExtensionId: string | undefined
+let availableLocales: Set<string> = new Set()
 
-function registerLocalization (language: string, main: Record<string, Record<string, string>>, extensionTranslationsUris: Record<string, string>): void {
+function setAvailableLocales (locales: Set<string>): void {
+  availableLocales = locales
+}
+
+function isLocaleAvailable (locale: string): boolean {
+  return availableLocales.has(locale)
+}
+
+function registerLocalization (extensionId: string, language: string, main: Record<string, Record<string, string>>, extensionTranslationsUris: Record<string, string>): void {
   if (isInitialized()) {
     console.error('Some parts of VSCode are already initialized, make sure the language pack is loaded before anything else or some translations will be missing')
   }
   setLocale(language, main)
 
   extensionTranslationsUri[language] = extensionTranslationsUris
+  currentLocaleExtensionId = extensionId
 }
 
 function getBuiltInExtensionTranslationsUris (language: string): Record<string, string> | undefined {
   return extensionTranslationsUri[language]
 }
 
+function getExtensionIdProvidingCurrentLocale (): string | undefined {
+  return currentLocaleExtensionId
+}
+
 export {
   registerLocalization,
-  getBuiltInExtensionTranslationsUris
+  getBuiltInExtensionTranslationsUris,
+  getExtensionIdProvidingCurrentLocale,
+  setAvailableLocales,
+  isLocaleAvailable
 }

src/missing-services.ts

@@ -198,7 +198,9 @@ import { IAuthenticationAccessService } from 'vs/workbench/services/authenticati
 import { IAuthenticationUsageService } from 'vs/workbench/services/authentication/browser/authenticationUsageService'
 import { ICustomEditorLabelService } from 'vs/workbench/services/editor/common/customEditorLabelService'
 import { IExtensionsProfileScannerService } from 'vs/platform/extensionManagement/common/extensionsProfileScannerService'
-import { getBuiltInExtensionTranslationsUris } from './l10n'
+import { createInstanceCapabilityEventMultiplexer } from 'vs/workbench/contrib/terminal/browser/terminalEvents'
+import { TerminalCapability } from 'vs/platform/terminal/common/capabilities/capabilities'
+import { getBuiltInExtensionTranslationsUris, getExtensionIdProvidingCurrentLocale } from './l10n'
 import { unsupported } from './tools'
 
 registerSingleton(ILoggerService, class NullLoggerService extends AbstractLoggerService {
@@ -1656,10 +1658,8 @@ registerSingleton(ITerminalService, class TerminalService implements ITerminalSe
   onAnyInstanceProcessIdReady = Event.None
   onAnyInstanceSelectionChange = Event.None
   onAnyInstanceTitleChange = Event.None
-  createOnInstanceEvent = unsupported
-  createOnInstanceCapabilityEvent = unsupported
-  onInstanceEvent = unsupported
-  onInstanceCapabilityEvent = unsupported
+  createOnInstanceEvent = () => Event.None
+  createOnInstanceCapabilityEvent = <T extends TerminalCapability, K>(capabilityId: T) => createInstanceCapabilityEventMultiplexer<T, K>([], Event.None, Event.None, capabilityId, () => Event.None)
   createDetachedTerminal = unsupported
 
   onDidChangeSelection = Event.None
@@ -2466,8 +2466,8 @@ registerSingleton(IInteractiveDocumentService, class InteractiveDocumentService
 
 registerSingleton(IActiveLanguagePackService, class ActiveLanguagePackService implements IActiveLanguagePackService {
   readonly _serviceBrand: undefined
-  getExtensionIdProvidingCurrentLocale () {
-    return Promise.resolve(undefined)
+  async getExtensionIdProvidingCurrentLocale (): Promise<string | undefined> {
+    return getExtensionIdProvidingCurrentLocale()
   }
 }, InstantiationType.Eager)
 

src/service-override/extensionGallery.ts

@@ -3,7 +3,8 @@ import { SyncDescriptor } from 'vs/platform/instantiation/common/descriptors'
 import { IExtensionGalleryService, IExtensionManagementService, IExtensionTipsService, IGlobalExtensionEnablementService } from 'vs/platform/extensionManagement/common/extensionManagement'
 import { ExtensionGalleryService } from 'vs/platform/extensionManagement/common/extensionGalleryService'
 import { GlobalExtensionEnablementService } from 'vs/platform/extensionManagement/common/extensionEnablementService'
-import { IExtensionsWorkbenchService } from 'vs/workbench/contrib/extensions/common/extensions'
+import { IExtension as IContribExtension, IExtensionsWorkbenchService } from 'vs/workbench/contrib/extensions/common/extensions'
+import { getLocale } from 'vs/platform/languagePacks/common/languagePacks'
 import { ExtensionsWorkbenchService } from 'vs/workbench/contrib/extensions/browser/extensionsWorkbenchService'
 import { IExtensionManagementServerService, IWebExtensionsScannerService, IWorkbenchExtensionEnablementService } from 'vs/workbench/services/extensionManagement/common/extensionManagement'
 import { ExtensionManagementServerService } from 'vs/workbench/services/extensionManagement/common/extensionManagementServerService'
@@ -33,6 +34,7 @@ import { IExtensionFeaturesManagementService } from 'vs/workbench/services/exten
 import { ExtensionFeaturesManagementService } from 'vs/workbench/services/extensionManagement/common/extensionFeaturesManagemetService'
 import { registerAssets } from '../assets'
 import { getExtensionManifests } from '../extensions'
+import { isLocaleAvailable } from '../l10n'
 import 'vs/workbench/contrib/extensions/browser/extensions.contribution'
 import 'vs/workbench/contrib/extensions/browser/extensions.web.contribution'
 
@@ -78,6 +80,16 @@ class CustomBuiltinExtensionsScannerService implements IBuiltinExtensionsScanner
   }
 }
 
+class ExtensionsWorkbenchServiceOverride extends ExtensionsWorkbenchService {
+  override canSetLanguage (extension: IContribExtension): boolean {
+    if (super.canSetLanguage(extension)) {
+      const locale = getLocale(extension.gallery!)!
+      return isLocaleAvailable(locale)
+    }
+    return false
+  }
+}
+
 export interface ExtensionGalleryOptions {
   /**
    * Whether we should only allow for web extensions to be installed, this is generally
@@ -90,7 +102,7 @@ export default function getServiceOverride (options: ExtensionGalleryOptions = {
   return {
     [IExtensionGalleryService.toString()]: new SyncDescriptor(ExtensionGalleryService, [], true),
     [IGlobalExtensionEnablementService.toString()]: new SyncDescriptor(GlobalExtensionEnablementService, [], true),
-    [IExtensionsWorkbenchService.toString()]: new SyncDescriptor(ExtensionsWorkbenchService, [], true),
+    [IExtensionsWorkbenchService.toString()]: new SyncDescriptor(ExtensionsWorkbenchServiceOverride, [], true),
     [IExtensionManagementServerService.toString()]: new SyncDescriptor(ExtensionManagementServerServiceOverride, [options.webOnly], true),
     [IExtensionRecommendationsService.toString()]: new SyncDescriptor(ExtensionRecommendationsService, [], true),
     [IExtensionRecommendationNotificationService.toString()]: new SyncDescriptor(ExtensionRecommendationNotificationService, [], true),