For untitled notebook, show simple dialog instead of native one. (#10279

)

src/platform/export/exportDialog.ts

@@ -9,6 +9,7 @@ import { SaveDialogOptions, Uri } from 'vscode';
 import { IApplicationShell, IWorkspaceService } from '../common/application/types';
 import * as localize from '../common/utils/localize';
 import { ExportFormat, IExportDialog } from './types';
+import { IsWebExtension } from '../common/types';
 
 // File extensions for each export method
 export const PDFExtensions = { PDF: ['pdf'] };
@@ -19,7 +20,8 @@ export const PythonExtensions = { Python: ['py'] };
 export class ExportDialog implements IExportDialog {
  constructor(
  @inject(IApplicationShell) private readonly applicationShell: IApplicationShell,
- @inject(IWorkspaceService) private workspaceService: IWorkspaceService
+ @inject(IWorkspaceService) private workspaceService: IWorkspaceService,
+ @inject(IsWebExtension) private readonly isWebExtension: boolean
  ) {}
 
  public async showDialog(
@@ -70,7 +72,12 @@ export class ExportDialog implements IExportDialog {
  return this.applicationShell.showSaveDialog(options);
  }
 
- private async getDefaultUri(source: Uri | undefined, targetFileName: string): Promise<Uri> {
+ private async getDefaultUri(source: Uri | undefined, targetFileName: string): Promise<Uri | undefined> {
+ if (source && source.scheme === 'untitled' && this.isWebExtension) {
+ // Force using simple file dialog
+ return undefined;
+ }
+
  if (
  !source ||
  source.scheme === 'file' ||