VSCode merge (#4610)

* Merge from vscode e388c734f30757875976c7e326d6cfeee77710de

* fix yarn lcoks

* remove small issue

src/vs/workbench/api/browser/mainThreadDialogs.ts

@@ -0,0 +1,60 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { URI } from 'vs/base/common/uri';
+import { MainThreadDiaglogsShape, MainContext, IExtHostContext, MainThreadDialogOpenOptions, MainThreadDialogSaveOptions } from '../common/extHost.protocol';
+import { extHostNamedCustomer } from 'vs/workbench/api/common/extHostCustomers';
+import { forEach } from 'vs/base/common/collections';
+import { IFileDialogService, IOpenDialogOptions, ISaveDialogOptions } from 'vs/platform/dialogs/common/dialogs';
+
+@extHostNamedCustomer(MainContext.MainThreadDialogs)
+export class MainThreadDialogs implements MainThreadDiaglogsShape {
+
+	constructor(
+		context: IExtHostContext,
+		@IFileDialogService private readonly _fileDialogService: IFileDialogService,
+	) {
+		//
+	}
+
+	dispose(): void {
+		//
+	}
+
+	$showOpenDialog(options: MainThreadDialogOpenOptions): Promise<URI[] | undefined> {
+		return Promise.resolve(this._fileDialogService.showOpenDialog(MainThreadDialogs._convertOpenOptions(options)));
+	}
+
+	$showSaveDialog(options: MainThreadDialogSaveOptions): Promise<URI | undefined> {
+		return Promise.resolve(this._fileDialogService.showSaveDialog(MainThreadDialogs._convertSaveOptions(options)));
+	}
+
+	private static _convertOpenOptions(options: MainThreadDialogOpenOptions): IOpenDialogOptions {
+		const result: IOpenDialogOptions = {
+			openLabel: options.openLabel,
+			canSelectFiles: options.canSelectFiles || (!options.canSelectFiles && !options.canSelectFolders),
+			canSelectFolders: options.canSelectFolders,
+			canSelectMany: options.canSelectMany,
+			defaultUri: URI.revive(options.defaultUri)
+		};
+		if (options.filters) {
+			result.filters = [];
+			forEach(options.filters, entry => result.filters!.push({ name: entry.key, extensions: entry.value }));
+		}
+		return result;
+	}
+
+	private static _convertSaveOptions(options: MainThreadDialogSaveOptions): ISaveDialogOptions {
+		const result: ISaveDialogOptions = {
+			defaultUri: URI.revive(options.defaultUri),
+			saveLabel: options.saveLabel
+		};
+		if (options.filters) {
+			result.filters = [];
+			forEach(options.filters, entry => result.filters!.push({ name: entry.key, extensions: entry.value }));
+		}
+		return result;
+	}
+}