Build Observatory as part of runtime

runtime/bin/vmservice/observatory/lib/src/elements/vm_connect.dart

-// 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 vm_connect_element;
-
-import 'dart:html';
-import 'package:polymer/polymer.dart';
-import 'observatory_element.dart';
-import 'package:observatory/app.dart';
-import 'package:observatory/service_html.dart';
-
-void _connectToVM(ObservatoryApplication app, WebSocketVMTarget target) {
-  app.vm = new WebSocketVM(target);
-}
-
-@CustomTag('vm-connect-target')
-class VMConnectTargetElement extends ObservatoryElement {
-  @published WebSocketVMTarget target;
-
-  VMConnectTargetElement.created() : super.created();
-
-  bool get isChromeTarget {
-    if (target == null) {
-      return false;
-    }
-    return target.chrome;
-  }
-
-  bool get isCurrentTarget {
-    if (app.vm == null) {
-      return false;
-    }
-    return (app.vm as WebSocketVM).target == target;
-  }
-
-  void connectToVm(MouseEvent event, var detail, Element node) {
-    if (event.button > 0 || event.metaKey || event.ctrlKey ||
-        event.shiftKey || event.altKey) {
-      // Not a left-click or a left-click with a modifier key:
-      // Let browser handle.
-      return;
-    }
-    event.preventDefault();
-    WebSocketVM currentVM = app.vm;
-    if ((currentVM == null) || (currentVM.target != target)) {
-      _connectToVM(app, target);
-    }
-    var href = node.attributes['href'];
-    app.locationManager.go(href);
-  }
-
-  void deleteVm(MouseEvent event, var detail, Element node) {
-    app.targets.remove(target);
-  }
-}
-
-@CustomTag('vm-connect')
-class VMConnectElement extends ObservatoryElement {
-  @published String standaloneVmAddress = '';
-  @published String chromiumAddress = 'localhost:9222';
-  @observable ObservableList<WebSocketVMTarget> chromeTargets =
-      new ObservableList<WebSocketVMTarget>();
-
-  VMConnectElement.created() : super.created() {
-    pollPeriod = new Duration(seconds: 1);
-  }
-
-  void _connect(WebSocketVMTarget target) {
-    _connectToVM(app, target);
-    app.locationManager.go('#/vm');
-  }
-
-  void onPoll() {
-    _refreshTabs();
-  }
-
-  String _normalizeStandaloneAddress(String networkAddress) {
-    if (networkAddress.startsWith('ws://')) {
-      return networkAddress;
-    }
-    return 'ws://${networkAddress}/ws';
-  }
-
-  void connectStandalone(Event e, var detail, Node target) {
-    // Prevent any form action.
-    e.preventDefault();
-    var targetAddress = _normalizeStandaloneAddress(standaloneVmAddress);
-    var target = app.targets.findOrMake(targetAddress);
-    _connect(target);
-  }
-
-  void getTabs(Event e, var detail, Node target) {
-    // Prevent any form action.
-    e.preventDefault();
-    _refreshTabs();
-  }
-
-  void _refreshTabs() {
-    ChromiumTargetLister.fetch(chromiumAddress).then((targets) {
-      chromeTargets.clear();
-      if (targets == null) {
-        return;
-      }
-      for (var i = 0; i < targets.length; i++) {
-        if (targets[i].networkAddress == null) {
-          // Don't add targets that don't have a network address.
-          // This happens when a tab has devtools open!
-          continue;
-        }
-        chromeTargets.add(targets[i]);
-      }
-    }).catchError((e) {
-      chromeTargets.clear();
-    });
-  }
-}