| // Copyright (c) 2022, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| @JS() |
| library detector; |
| |
| import 'dart:html'; |
| import 'package:js/js.dart'; |
| |
| import 'chrome_api.dart'; |
| import 'messaging.dart'; |
| |
| void main() { |
| _registerListeners(); |
| } |
| |
| void _registerListeners() { |
| document.addEventListener('dart-app-ready', _onDartAppReadyEvent); |
| } |
| |
| void _onDartAppReadyEvent(Event event) { |
| _sendMessageToBackgroundScript( |
| type: MessageType.dartAppReady, |
| body: 'Dart app ready!', |
| ); |
| } |
| |
| void _sendMessageToBackgroundScript({ |
| required MessageType type, |
| required String body, |
| }) { |
| final message = Message( |
| to: Script.background, |
| from: Script.detector, |
| type: type, |
| body: body, |
| ); |
| chrome.runtime.sendMessage( |
| /*id*/ null, |
| message.toJSON(), |
| /*options*/ null, |
| /*callback*/ null, |
| ); |
| } |