Update to VS Code 1.52.1

lib/vscode/src/vs/platform/keyboardLayout/electron-main/keyboardLayoutMainService.ts

@@ -0,0 +1,59 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { createDecorator } from 'vs/platform/instantiation/common/instantiation';
+import { IKeyboardLayoutData, IKeyboardLayoutMainService as ICommonKeyboardLayoutMainService } from 'vs/platform/keyboardLayout/common/keyboardLayoutMainService';
+import { Emitter } from 'vs/base/common/event';
+import { Disposable } from 'vs/base/common/lifecycle';
+import * as nativeKeymap from 'native-keymap';
+
+export const IKeyboardLayoutMainService = createDecorator<IKeyboardLayoutMainService>('keyboardLayoutMainService');
+
+export interface IKeyboardLayoutMainService extends ICommonKeyboardLayoutMainService { }
+
+export class KeyboardLayoutMainService extends Disposable implements ICommonKeyboardLayoutMainService {
+
+	declare readonly _serviceBrand: undefined;
+
+	private readonly _onDidChangeKeyboardLayout = this._register(new Emitter<IKeyboardLayoutData>());
+	readonly onDidChangeKeyboardLayout = this._onDidChangeKeyboardLayout.event;
+
+	private _initPromise: Promise<void> | null;
+	private _keyboardLayoutData: IKeyboardLayoutData | null;
+
+	constructor() {
+		super();
+		this._initPromise = null;
+		this._keyboardLayoutData = null;
+	}
+
+	private _initialize(): Promise<void> {
+		if (!this._initPromise) {
+			this._initPromise = this._doInitialize();
+		}
+		return this._initPromise;
+	}
+
+	private async _doInitialize(): Promise<void> {
+		const nativeKeymapMod = await import('native-keymap');
+
+		this._keyboardLayoutData = readKeyboardLayoutData(nativeKeymapMod);
+		nativeKeymapMod.onDidChangeKeyboardLayout(() => {
+			this._keyboardLayoutData = readKeyboardLayoutData(nativeKeymapMod);
+			this._onDidChangeKeyboardLayout.fire(this._keyboardLayoutData);
+		});
+	}
+
+	public async getKeyboardLayoutData(): Promise<IKeyboardLayoutData> {
+		await this._initialize();
+		return this._keyboardLayoutData!;
+	}
+}
+
+function readKeyboardLayoutData(nativeKeymapMod: typeof nativeKeymap): IKeyboardLayoutData {
+	const keyboardMapping = nativeKeymapMod.getKeyMap();
+	const keyboardLayoutInfo = nativeKeymapMod.getCurrentKeyboardLayout();
+	return { keyboardMapping, keyboardLayoutInfo };
+}