Converted Observatory class-view element

runtime/observatory/lib/src/elements/class_instances.dart

Index: runtime/observatory/lib/src/elements/class_instances.dart
diff --git a/runtime/observatory/lib/src/elements/object_common.dart b/runtime/observatory/lib/src/elements/class_instances.dart
similarity index 61%
copy from runtime/observatory/lib/src/elements/object_common.dart
copy to runtime/observatory/lib/src/elements/class_instances.dart
index 3e40ca2b04716b04241f17e429e165f7d1f1bf04..4b2903233403cb124e192b4ee0ada120150be0a3 100644
--- a/runtime/observatory/lib/src/elements/object_common.dart
+++ b/runtime/observatory/lib/src/elements/class_instances.dart
@@ -11,27 +11,29 @@ import 'package:observatory/src/elements/helpers/tag.dart';
 import 'package:observatory/src/elements/inbound_references.dart';
 import 'package:observatory/src/elements/retaining_path.dart';
 import 'package:observatory/src/elements/sentinel_value.dart';
+import 'package:observatory/src/elements/strongly_reachable_instances.dart';
+import 'package:observatory/src/elements/top_retaining_instances.dart';
 import 'package:observatory/utils.dart';
 
-class ObjectCommonElement extends HtmlElement implements Renderable {
-  static const tag = const Tag<ObjectCommonElement>('object-common-wrapped',
+class ClassInstancesElement extends HtmlElement implements Renderable {
+  static const tag = const Tag<ClassInstancesElement>('class-instances',
       dependencies: const [
         ClassRefElement.tag,
         InboundReferencesElement.tag,
         RetainingPathElement.tag,
-        SentinelValueElement.tag
+        TopRetainingInstancesElement.tag
       ]);
 
-  RenderingScheduler<ObjectCommonElement> _r;
+  RenderingScheduler<ClassInstancesElement> _r;
 
-  Stream<RenderedEvent<ObjectCommonElement>> get onRendered => _r.onRendered;
+  Stream<RenderedEvent<ClassInstancesElement>> get onRendered => _r.onRendered;
 
   M.IsolateRef _isolate;
-  M.Object _object;
+  M.Class _cls;
   M.RetainedSizeRepository _retainedSizes;
   M.ReachableSizeRepository _reachableSizes;
-  M.InboundReferencesRepository _references;
-  M.RetainingPathRepository _retainingPaths;
+  M.StronglyReachableInstancesRepository _stronglyReachableInstances;
+  M.TopRetainingInstancesRepository _topRetainingInstances;
   M.InstanceRepository _instances;
   M.Guarded<M.Instance> _retainedSize = null;
   bool _loadingRetainedBytes = false;
@@ -39,35 +41,35 @@ class ObjectCommonElement extends HtmlElement implements Renderable {
   bool _loadingReachableBytes = false;
 
   M.IsolateRef get isolate => _isolate;
-  M.Object get object => _object;
+  M.Class get cls => _cls;
 
-  factory ObjectCommonElement(M.IsolateRef isolate, M.Object object,
-                              M.RetainedSizeRepository retainedSizes,
-                              M.ReachableSizeRepository reachableSizes,
-                              M.InboundReferencesRepository references,
-                              M.RetainingPathRepository retainingPaths,
-                              M.InstanceRepository instances,
-                              {RenderingQueue queue}) {
+  factory ClassInstancesElement(M.IsolateRef isolate, M.Class cls,
+      M.RetainedSizeRepository retainedSizes,
+      M.ReachableSizeRepository reachableSizes,
+      M.StronglyReachableInstancesRepository stronglyReachableInstances,
+      M.TopRetainingInstancesRepository topRetainingInstances,
+      M.InstanceRepository instances,
+      {RenderingQueue queue}) {
     assert(isolate != null);
-    assert(object != null);
+    assert(cls != null);
     assert(retainedSizes != null);
     assert(reachableSizes != null);
-    assert(references != null);
-    assert(retainingPaths != null);
+    assert(stronglyReachableInstances != null);
+    assert(topRetainingInstances != null);
     assert(instances != null);
-    ObjectCommonElement e = document.createElement(tag.name);
+    ClassInstancesElement e = document.createElement(tag.name);
     e._r = new RenderingScheduler(e, queue: queue);
     e._isolate = isolate;
-    e._object = object;
+    e._cls = cls;
     e._retainedSizes = retainedSizes;
     e._reachableSizes = reachableSizes;
-    e._references = references;
+    e._stronglyReachableInstances = stronglyReachableInstances;
+    e._topRetainingInstances = topRetainingInstances;
     e._instances = instances;
-    e._retainingPaths = retainingPaths;
     return e;
   }
 
-  ObjectCommonElement.created() : super.created();
+  ClassInstancesElement.created() : super.created();
 
   @override
   void attached() {
@@ -82,39 +84,34 @@ class ObjectCommonElement extends HtmlElement implements Renderable {
     children = [];
   }
 
-  RetainingPathElement _path;
-  InboundReferencesElement _inbounds;
+  StronglyReachableInstancesElement _strong;
+  TopRetainingInstancesElement _topRetainig;
 
   void render() {
-    _path = _path ?? new RetainingPathElement(_isolate, _object,
-                                              _retainingPaths, _instances,
-                                              queue: _r.queue);
-    _inbounds = _inbounds ?? new InboundReferencesElement(_isolate, _object,
-                                                          _references,
-                                                          _instances,
-                                                          queue: _r.queue);
+    _strong = _strong ?? new StronglyReachableInstancesElement(_isolate,
+      _cls, _stronglyReachableInstances, _instances, queue: _r.queue);
+    _topRetainig = _topRetainig ?? new TopRetainingInstancesElement(_isolate,
+      _cls, _topRetainingInstances, _instances, queue: _r.queue);
+    final instanceCount = _cls.newSpace.current.instances +
+                          _cls.oldSpace.current.instances;
+    final size = Utils.formatSize(_cls.newSpace.current.bytes +
+                                  _cls.oldSpace.current.bytes);
     children = [
       new DivElement()..classes = ['memberList']
         ..children = [
-          new DivElement()..classes = ['memberItem']
+          new DivElement()..classes = const ['memberItem']
             ..children = [
-              new DivElement()..classes = ['memberName']
-                ..text = 'Class ',
-              new DivElement()..classes = ['memberValue']
-                ..children = [
-                  _object.clazz == null
-                    ? (new SpanElement()..text = '...')
-                    : new ClassRefElement(_isolate, _object.clazz,
-                                          queue: _r.queue)
-                ]
+              new DivElement()..classes = const ['memberName']
+                ..text = 'currently allocated',
+              new DivElement()..classes = const ['memberValue']
+                ..text = 'count ${instanceCount} (shallow size ${size})'
             ],
           new DivElement()..classes = ['memberItem']
-            ..title = 'Space for this object in memory'
             ..children = [
               new DivElement()..classes = ['memberName']
-                ..text = 'Shallow size ',
+                ..text = 'strongly reachable ',
               new DivElement()..classes = ['memberValue']
-                ..text = Utils.formatSize(_object.size ?? 0)
+                ..children = [_strong]
             ],
           new DivElement()..classes = ['memberItem']
             ..title = 'Space reachable from this object, '
@@ -137,17 +134,9 @@ class ObjectCommonElement extends HtmlElement implements Renderable {
           new DivElement()..classes = ['memberItem']
             ..children = [
               new DivElement()..classes = ['memberName']
-                ..text = 'Retaining path ',
-              new DivElement()..classes = ['memberValue']
-                ..children = [_path]
-            ],
-          new DivElement()..classes = ['memberItem']
-            ..title = 'Objects which directly reference this object'
-            ..children = [
-              new DivElement()..classes = ['memberName']
-                ..text = 'Inbound references ',
+                ..text = 'toplist by retained memory ',
               new DivElement()..classes = ['memberValue']
-                ..children = [_inbounds]
+                ..children = [_topRetainig]
             ]
         ]
     ];
@@ -177,7 +166,7 @@ class ObjectCommonElement extends HtmlElement implements Renderable {
     button.onClick.listen((_) async {
         button.disabled = true;
         _loadingReachableBytes = true;
-        _reachableSize = await _reachableSizes.get(_isolate, _object.id);
+        _reachableSize = await _reachableSizes.get(_isolate, _cls.id);
         _r.dirty();
       });
     content.add(button);
@@ -208,7 +197,7 @@ class ObjectCommonElement extends HtmlElement implements Renderable {
     button.onClick.listen((_) async {
         button.disabled = true;
         _loadingRetainedBytes = true;
-        _retainedSize = await _retainedSizes.get(_isolate, _object.id);
+        _retainedSize = await _retainedSizes.get(_isolate, _cls.id);
         _r.dirty();
       });
     content.add(button);