Converted Observatory isolate-summary element

runtime/observatory/lib/src/service/object.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.
 
 part of service;
 
 // Some value smaller than the object ring, so requesting a large array
 // doesn't result in an expired ref because the elements lapped it in the
 // object ring.
 const int kDefaultFieldLimit = 100;
@@ skipping 1059 matching lines @@
     snapshot.delta(counters, _maxSnapshot.counters);
     _maxSnapshot.max(counters);
     snapshots.add(snapshot);
     // Only keep _historySize snapshots.
     if (snapshots.length > _historySize) {
       snapshots.removeAt(0);
     }
   }
 }
 
-class HeapSpace extends Observable {
+class HeapSpace extends Observable implements M.HeapSpace {
   @observable int used = 0;
   @observable int capacity = 0;
   @observable int external = 0;
   @observable int collections = 0;
   @observable double totalCollectionTimeInSeconds = 0.0;
   @observable double averageCollectionPeriodInMillis = 0.0;
 
   void update(Map heapMap) {
     used = heapMap['used'];
     capacity = heapMap['capacity'];
@@ skipping 41 matching lines @@
   @observable int number;
   @observable int originNumber;
   @observable DateTime startTime;
   @observable Duration get upTime {
     if (startTime == null) {
       return null;
     }
     return (new DateTime.now().difference(startTime));
   }
 
-  @observable ObservableMap counters = new ObservableMap();
+  @observable Map counters = {};
 
   void _updateRunState() {
     topFrame = (pauseEvent != null ? pauseEvent.topFrame : null);
     paused = (pauseEvent != null &&
               pauseEvent.kind != ServiceEvent.kResume);
     running = (!paused && topFrame != null);
     idle = (!paused && topFrame == null);
     notifyPropertyChange(#topFrame, 0, 1);
     notifyPropertyChange(#paused, 0, 1);
     notifyPropertyChange(#running, 0, 1);
@@ skipping 281 matching lines @@
     notifyPropertyChange(#upTime, 0, 1);
     var countersMap = map['_tagCounters'];
     if (countersMap != null) {
       var names = countersMap['names'];
       var counts = countersMap['counters'];
       assert(names.length == counts.length);
       var sum = 0;
       for (var i = 0; i < counts.length; i++) {
         sum += counts[i];
       }
-      // TODO: Why does this not work without this?
-      counters = toObservable({});
+      var _counters = {};
       if (sum == 0) {
         for (var i = 0; i < names.length; i++) {
-          counters[names[i]] = '0.0%';
+          _counters[names[i]] = '0.0%';
         }
       } else {
         for (var i = 0; i < names.length; i++) {
-          counters[names[i]] =
+          _counters[names[i]] =
               (counts[i] / sum * 100.0).toStringAsFixed(2) + '%';
         }
       }
+      counters = _counters;
     }
 
     updateHeapsFromMap(map['_heaps']);
     _updateBreakpoints(map['breakpoints']);
     if (map['_debuggerSettings'] != null) {
       exceptionsPauseInfo = map['_debuggerSettings']['_exceptions'];
     } else {
       exceptionsPauseInfo = "none";
     }
 
@@ skipping 2628 matching lines @@
     var v = list[i];
     if ((v is ObservableMap) && _isServiceMap(v)) {
       list[i] = owner.getFromMap(v);
     } else if (v is ObservableList) {
       _upgradeObservableList(v, owner);
     } else if (v is ObservableMap) {
       _upgradeObservableMap(v, owner);
     }
   }
 }