add ExtensionKind and remoteName propsed APIs, #74188

src/vs/vscode.proposed.d.ts

@@ -17,18 +17,58 @@
 declare module 'vscode' {
 
 	//#region Joh - ExecutionContext
-
+	// THIS is a deprecated proposal
 	export enum ExtensionExecutionContext {
 		Local = 1,
 		Remote = 2
 	}
+	export interface ExtensionContext {
+		executionContext: ExtensionExecutionContext;
+	}
+	//#endregion
+
+	//#region Joh - ExtensionKind, vscode.env.remoteKind
+
+	/**
+	 * In a remote window the extension kind describes if an extension
+	 * runs where the UI (window) runs or if an extension runs remotely.
+	 */
+	export enum ExtensionKind {
+
+		/**
+		 * Extension runs where the UI runs.
+		 */
+		UI = 1,
+
+		/**
+		 * Extension runs where the remote extension host runs.
+		 */
+		Workspace = 2
+	}
 
 	export interface ExtensionContext {
+
 		/**
-		 * Describes the context in which this extension is executed, e.g.
-		 * a Node.js-context on the same machine or on a remote machine
+		 * The extension kind describes if an extension runs where the UI runs
+		 * or if an extension runs where the remote extension host runs. The extension kind
+		 * if defined in the `package.json` file of extensions but can also be refined
+		 * via the the `remote.extensionKind`-setting. When no remote extension host exists,
+		 * the value is [`ExtensionKind.UI`](#ExtensionKind.UI).
 		 */
-		executionContext: ExtensionExecutionContext;
+		extensionKind: ExtensionKind;
+	}
+
+	export namespace env {
+		/**
+		 * The name of a remote. Defined by extensions, popular samples are `wsl` for the Windows
+		 * Subsystem for Linux or `ssh` for remotes using a secure shell.
+		 *
+		 * *Note* that the value is `undefined` when there is no remote extension host but that the
+		 * value is defined in all extension hosts (local and remote) in case a remote extension host
+		 * exists. Use [`ExtensionContext#extensionKind`](#ExtensionContext.extensionKind) to know if
+		 * a specific extension runs remote or not.
+		 */
+		export const remoteName: string | undefined;
 	}
 
 	//#endregion

src/vs/workbench/api/common/extHost.protocol.ts

@@ -85,7 +85,7 @@ export interface IInitData {
 	logLevel: LogLevel;
 	logsLocation: URI;
 	autoStart: boolean;
-	remoteAuthority?: string | null;
+	remote: { isRemote: boolean; authority: string | undefined; };
 }
 
 export interface IConfigurationInitData extends IConfigurationData {

src/vs/workbench/api/common/extHostExtensionActivator.ts

@@ -8,12 +8,14 @@ import { IDisposable } from 'vs/base/common/lifecycle';
 import { ExtensionDescriptionRegistry } from 'vs/workbench/services/extensions/common/extensionDescriptionRegistry';
 import { ExtensionIdentifier } from 'vs/platform/extensions/common/extensions';
 import { ExtensionActivationError, MissingDependencyError } from 'vs/workbench/services/extensions/common/extensions';
+import { ExtensionKind } from 'vs/workbench/api/common/extHostTypes';
 
 const NO_OP_VOID_PROMISE = Promise.resolve<void>(undefined);
 
 export interface IExtensionMemento {
+	get<T>(key: string): T | undefined;
 	get<T>(key: string, defaultValue: T): T;
-	update(key: string, value: any): Promise<boolean>;
+	update(key: string, value: any): Promise<void>;
 }
 
 export interface IExtensionContext {
@@ -26,6 +28,7 @@ export interface IExtensionContext {
 	asAbsolutePath(relativePath: string): string;
 	readonly logPath: string;
 	executionContext: number;
+	extensionKind: ExtensionKind;
 }
 
 /**

src/vs/workbench/api/common/extHostMemento.ts

@@ -38,7 +38,9 @@ export class ExtensionMemento implements IExtensionMemento {
 		return this._init;
 	}
 
-	get<T>(key: string, defaultValue: T): T {
+	get<T>(key: string): T | undefined;
+	get<T>(key: string, defaultValue: T): T;
+	get<T>(key: string, defaultValue?: T): T {
 		let value = this._value[key];
 		if (typeof value === 'undefined') {
 			value = defaultValue;
@@ -46,11 +48,9 @@ export class ExtensionMemento implements IExtensionMemento {
 		return value;
 	}
 
-	update(key: string, value: any): Promise<boolean> {
+	update(key: string, value: any): Promise<void> {
 		this._value[key] = value;
-		return this._storage
-			.setValue(this._shared, this._id, this._value)
-			.then(() => true);
+		return this._storage.setValue(this._shared, this._id, this._value);
 	}
 
 	dispose(): void {

src/vs/workbench/api/common/extHostTypes.ts

@@ -2319,3 +2319,8 @@ export enum ExtensionExecutionContext {
 	Local = 1,
 	Remote = 2
 }
+
+export enum ExtensionKind {
+	UI = 1,
+	Workspace = 2
+}

src/vs/workbench/api/node/extHost.api.impl.ts

@@ -125,10 +125,10 @@ export function createApiFactory(
 	const extHostProgress = rpcProtocol.set(ExtHostContext.ExtHostProgress, new ExtHostProgress(rpcProtocol.getProxy(MainContext.MainThreadProgress)));
 	const extHostOutputService = rpcProtocol.set(ExtHostContext.ExtHostOutputService, new ExtHostOutputService(LogOutputChannelFactory, initData.logsLocation, rpcProtocol));
 	rpcProtocol.set(ExtHostContext.ExtHostStorage, extHostStorage);
-	if (initData.remoteAuthority) {
+	if (initData.remote.authority) {
 		extHostTask.registerTaskSystem(Schemas.vscodeRemote, {
 			scheme: Schemas.vscodeRemote,
-			authority: initData.remoteAuthority,
+			authority: initData.remote.authority,
 			platform: process.platform
 		});
 
@@ -150,7 +150,7 @@ export function createApiFactory(
 	const extHostLanguages = new ExtHostLanguages(rpcProtocol, extHostDocuments);
 
 	// Register an output channel for exthost log
-	const outputChannelName = initData.remoteAuthority ? nls.localize('remote extension host Log', "Remote Extension Host") : nls.localize('extension host Log', "Extension Host");
+	const outputChannelName = initData.remote.isRemote ? nls.localize('remote extension host Log', "Remote Extension Host") : nls.localize('extension host Log', "Extension Host");
 	extHostOutputService.createOutputChannelFromLogFile(outputChannelName, extHostLogService.logFile);
 
 	// Register API-ish commands
@@ -258,12 +258,24 @@ export function createApiFactory(
 				return extHostTerminalService.getDefaultShell(configProvider);
 			},
 			openExternal(uri: URI) {
-				return extHostWindow.openUri(uri, { allowTunneling: !!initData.remoteAuthority });
+				return extHostWindow.openUri(uri, { allowTunneling: !!initData.remote.isRemote });
 			},
 			get webviewResourceRoot() {
 				checkProposedApiEnabled(extension);
 				return initData.environment.webviewResourceRoot;
 			},
+			get remoteName() {
+				checkProposedApiEnabled(extension);
+				if (!initData.remote.authority) {
+					return undefined;
+				}
+				const pos = initData.remote.authority.indexOf('+');
+				if (pos < 0) {
+					// funky? bad authority?
+					return initData.remote.authority;
+				}
+				return initData.remote.authority.substr(0, pos);
+			}
 		};
 		if (!initData.environment.extensionTestsLocationURI) {
 			// allow to patch env-function when running tests
@@ -824,6 +836,7 @@ export function createApiFactory(
 			EndOfLine: extHostTypes.EndOfLine,
 			EventEmitter: Emitter,
 			ExtensionExecutionContext: extHostTypes.ExtensionExecutionContext,
+			ExtensionKind: extHostTypes.ExtensionKind,
 			CustomExecution: extHostTypes.CustomExecution,
 			FileChangeType: extHostTypes.FileChangeType,
 			FileSystemError: extHostTypes.FileSystemError,

src/vs/workbench/api/node/extHostExtensionService.ts

@@ -32,7 +32,7 @@ import { withNullAsUndefined } from 'vs/base/common/types';
 import { VSBuffer } from 'vs/base/common/buffer';
 import { ExtensionMemento } from 'vs/workbench/api/common/extHostMemento';
 import { ExtensionStoragePaths } from 'vs/workbench/api/node/extHostStoragePaths';
-import { RemoteAuthorityResolverError, ExtensionExecutionContext } from 'vs/workbench/api/common/extHostTypes';
+import { RemoteAuthorityResolverError, ExtensionExecutionContext, ExtensionKind } from 'vs/workbench/api/common/extHostTypes';
 import { IURITransformer } from 'vs/base/common/uriIpc';
 
 interface ITestRunner {
@@ -153,7 +153,7 @@ export class ExtHostExtensionService implements ExtHostExtensionServiceShape {
 			const extensionPaths = await this.getExtensionPathIndex();
 			NodeModuleRequireInterceptor.INSTANCE.register(new VSCodeNodeModuleFactory(this._extensionApiFactory, extensionPaths, this._registry, configProvider));
 			NodeModuleRequireInterceptor.INSTANCE.register(new KeytarNodeModuleFactory(this._extHostContext.getProxy(MainContext.MainThreadKeytar), this._environment));
-			if (this._initData.remoteAuthority) {
+			if (this._initData.remote.isRemote) {
 				NodeModuleRequireInterceptor.INSTANCE.register(new OpenNodeModuleFactory(
 					this._extHostContext.getProxy(MainContext.MainThreadWindow),
 					this._extHostContext.getProxy(MainContext.MainThreadTelemetry),
@@ -340,7 +340,7 @@ export class ExtHostExtensionService implements ExtHostExtensionServiceShape {
 		});
 	}
 
-	private _loadExtensionContext(extensionDescription: IExtensionDescription): Promise<IExtensionContext> {
+	private _loadExtensionContext(extensionDescription: IExtensionDescription): Promise<vscode.ExtensionContext> {
 
 		const globalState = new ExtensionMemento(extensionDescription.identifier.value, true, this._storage);
 		const workspaceState = new ExtensionMemento(extensionDescription.identifier.value, false, this._storage);
@@ -361,7 +361,8 @@ export class ExtHostExtensionService implements ExtHostExtensionServiceShape {
 				globalStoragePath: this._storagePath.globalValue(extensionDescription),
 				asAbsolutePath: (relativePath: string) => { return path.join(extensionDescription.extensionLocation.fsPath, relativePath); },
 				logPath: that._extHostLogService.getLogDirectory(extensionDescription.identifier),
-				executionContext: this._initData.remoteAuthority ? ExtensionExecutionContext.Remote : ExtensionExecutionContext.Local
+				executionContext: this._initData.remote.isRemote ? ExtensionExecutionContext.Remote : ExtensionExecutionContext.Local,
+				extensionKind: this._initData.remote.isRemote ? ExtensionKind.Workspace : ExtensionKind.UI
 			});
 		});
 	}
@@ -562,7 +563,7 @@ export class ExtHostExtensionService implements ExtHostExtensionServiceShape {
 		// messages to the main process, we delay the exit() by some time
 		setTimeout(() => {
 			// If extension tests are running, give the exit code to the renderer
-			if (this._initData.remoteAuthority && !!this._initData.environment.extensionTestsLocationURI) {
+			if (this._initData.remote.isRemote && !!this._initData.environment.extensionTestsLocationURI) {
 				this._mainThreadExtensionsProxy.$onExtensionHostExit(code);
 				return;
 			}

src/vs/workbench/services/extensions/common/remoteExtensionHostClient.ts

@@ -197,6 +197,10 @@ export class RemoteExtensionHostClient extends Disposable implements IExtensionH
 					id: workspace.id,
 					name: this._labelService.getWorkspaceLabel(workspace)
 				},
+				remote: {
+					isRemote: true,
+					authority: this._initDataProvider.remoteAuthority
+				},
 				resolvedExtensions: resolvedExtensions,
 				hostExtensions: hostExtensions,
 				extensions: remoteExtensionHostData.extensions,
@@ -204,7 +208,6 @@ export class RemoteExtensionHostClient extends Disposable implements IExtensionH
 				logLevel: this._logService.getLevel(),
 				logsLocation: remoteExtensionHostData.extensionHostLogsPath,
 				autoStart: true,
-				remoteAuthority: this._initDataProvider.remoteAuthority,
 			};
 			return r;
 		});

src/vs/workbench/services/extensions/electron-browser/extensionHost.ts

@@ -403,6 +403,10 @@ export class ExtensionHostProcessWorker implements IExtensionHostStarter {
 						name: this._labelService.getWorkspaceLabel(workspace),
 						isUntitled: workspace.configuration ? isEqualOrParent(workspace.configuration, this._environmentService.untitledWorkspacesHome) : false
 					},
+					remote: {
+						authority: this._environmentService.configuration.remoteAuthority,
+						isRemote: false
+					},
 					resolvedExtensions: [],
 					hostExtensions: [],
 					extensions: extensionDescriptions,

src/vs/workbench/services/extensions/node/extensionHostProcessSetup.ts

@@ -319,10 +319,10 @@ export async function startExtensionHostProcess(): Promise<void> {
 
 	// Attempt to load uri transformer
 	let uriTransformer: IURITransformer | null = null;
-	if (initData.remoteAuthority && args.uriTransformerPath) {
+	if (initData.remote.authority && args.uriTransformerPath) {
 		try {
 			const rawURITransformerFactory = <any>require.__$__nodeRequire(args.uriTransformerPath);
-			const rawURITransformer = <IRawURITransformer>rawURITransformerFactory(initData.remoteAuthority);
+			const rawURITransformer = <IRawURITransformer>rawURITransformerFactory(initData.remote.authority);
 			uriTransformer = new URITransformer(rawURITransformer);
 		} catch (e) {
 			console.error(e);