blob: ddc42f5d2d32f4f73c3aa648b696f8852c6675bc [file] [log] [blame]
// Copyright (c) 2014, 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.
library service_html;
import 'dart:async';
import 'dart:html';
import 'dart:typed_data';
import 'package:observatory/service_common.dart';
// Export the service library.
export 'package:observatory/service_common.dart';
class _HtmlWebSocket implements CommonWebSocket {
WebSocket _webSocket;
void connect(String address, void onOpen(), void onMessage(dynamic data),
void onError(), void onClose()) {
_webSocket = new WebSocket(address);
_webSocket.onClose.listen((CloseEvent) => onClose());
_webSocket.onError.listen((Event) => onError());
_webSocket.onOpen.listen((Event) => onOpen());
_webSocket.onMessage.listen((MessageEvent event) => onMessage(;
bool get isOpen => _webSocket.readyState == WebSocket.OPEN;
void send(dynamic data) {
void close() {
Future<ByteData> nonStringToByteData(dynamic data) {
assert(data is Blob);
FileReader fileReader = new FileReader();
return fileReader.onLoadEnd.first.then((e) {
Uint8List result = fileReader.result as Uint8List;
return new ByteData.view(
result.buffer, result.offsetInBytes, result.length);
/// The [WebSocketVM] communicates with a Dart VM over WebSocket. The Dart VM
/// can be embedded in Chromium or standalone. In the case of Chromium, we
/// make the service requests via the Chrome Remote Debugging Protocol.
class WebSocketVM extends CommonWebSocketVM {
WebSocketVM(WebSocketVMTarget target) : super(target, new _HtmlWebSocket());