| // Copyright 2014 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| import 'dart:convert'; |
| import 'dart:js_interop'; |
| import 'dart:js_interop_unsafe'; |
| |
| @JS('window') |
| external JSObject get _window; |
| |
| /// The web implementation of [registerWebServiceExtension]. |
| /// |
| /// Registers Web Service Extension for Flutter Web application. |
| /// |
| /// window.$flutterDriver will be called by Flutter Web Driver to process |
| /// Flutter Command. |
| /// |
| /// See also: |
| /// |
| /// * [_extension_io.dart], which has the dart:io implementation |
| void registerWebServiceExtension(Future<Map<String, dynamic>> Function(Map<String, String>) call) { |
| // Define the result variable because packages/flutter_driver/lib/src/driver/web_driver.dart |
| // checks for this value to become non-null when waiting for the result. If this value is |
| // undefined at the time of the check, WebDriver throws an exception. |
| _window.setProperty(r'$flutterDriverResult'.toJS, null); |
| |
| _window.setProperty(r'$flutterDriver'.toJS, (JSAny message) { |
| final Map<String, String> params = Map<String, String>.from( |
| jsonDecode((message as JSString).toDart) as Map<String, dynamic>); |
| call(params).then((Map<String, dynamic> result) { |
| _window.setProperty(r'$flutterDriverResult'.toJS, json.encode(result).toJS); |
| }); |
| }.toJS); |
| } |