Refactor Observatory

runtime/bin/vmservice/client/lib/src/app/application.dart

 // Copyright (c) 2013, 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.
 
-part of observatory;
+part of app;
+
+/// A request response interceptor is called for each response.
+typedef void RequestResponseInterceptor();
 
 /// The observatory application. Instances of this are created and owned
 /// by the observatory_application custom element.
 class ObservatoryApplication extends Observable {
   @observable final LocationManager locationManager;
-  @observable final RequestManager requestManager;
-  @observable final IsolateManager isolateManager;
+  @observable final VM vm;
+  @observable Map response;
+  @observable Isolate isolate;
+
+  void setResponse(Map response) {
+    this.response = toObservable(response);
+  }
+
+  void setResponseError(String message, [String errorType = 'ResponseError']) {
+    this.response = toObservable({
+      'type': 'Error',
+      'errorType': errorType,
+      'text': message
+    });
+    Logger.root.severe(message);
+  }
 
   void _setup() {
-    locationManager._application = this;
-    requestManager._application = this;
-    isolateManager._application = this;
-    Isolate._application = this;
-    requestManager.interceptor = isolateManager._responseInterceptor;
+    vm._app = this;
+    locationManager._app = this;
     locationManager.init();
   }
 
   ObservatoryApplication.devtools() :
       locationManager = new LocationManager(),
-      requestManager = new PostMessageRequestManager(),
-      isolateManager = new IsolateManager() {
+      vm = new DartiumVM() {
     _setup();
   }
 
   ObservatoryApplication() :
       locationManager = new LocationManager(),
-      requestManager = new HttpRequestManager(),
-      isolateManager = new IsolateManager() {
+      vm = new HttpVM('http://127.0.0.1:8181/') {
     _setup();
   }
 
-  /// Return the [Isolate] with [id].
-  Isolate getIsolate(int id) {
-    return isolateManager.isolates[id];
-  }
-
-  /// Return the name of the isolate with [id].
-  String getIsolateName(int id) {
-    var isolate = getIsolate(id);
-    if (isolate == null) {
-      return 'Null Isolate';
-    }
-    return isolate.name;
-  }
-
   static const int KB = 1024;
   static const int MB = KB * 1024;
   static String scaledSizeUnits(int x) {
     if (x > 2 * MB) {
       var y = x / MB;
       return '${y.toStringAsFixed(1)} MB';
     } else if (x > 2 * KB) {
       var y = x / KB;
       return '${y.toStringAsFixed(1)} KB';
     }
     var y = x.toDouble();
     return '${y.toStringAsFixed(1)} B';
   }
 
   static String timeUnits(double x) {
     return x.toStringAsFixed(2);
   }
 }