Converted Observatory heap-profile element

runtime/observatory/lib/src/app/page.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 app;
 
+AllocationProfileRepository _allocationProfileRepository
+    = new AllocationProfileRepository();
 IsolateSampleProfileRepository _isolateSampleProfileRepository
     = new IsolateSampleProfileRepository();
 
 class IsolateNotFound implements Exception {
   String isolateId;
   IsolateNotFound(this.isolateId);
   String toString() => "IsolateNotFound: $isolateId";
 }
 
 /// A [Page] controls the user interface of Observatory. At any given time
@@ skipping 245 matching lines @@
         // TODO(johnmccutchan): Provide a more general mechanism to notify
         // elements of URI parameter changes. Possibly via a stream off of
         // LocationManager. With a stream individual elements (not just pages)
         // could be notified.
         page.checkParameters();
       }
     });
   }
 }
 
-class AllocationProfilerPage extends SimplePage {
-  AllocationProfilerPage(app)
-      : super('allocation-profiler', 'heap-profile', app);
+class AllocationProfilerPage extends MatchingPage {
+  AllocationProfilerPage(app) : super('allocation-profiler', app);
+
+  DivElement container = new DivElement();
 
   void _visit(Uri uri) {
     super._visit(uri);
     getIsolate(uri).then((isolate) {
-      if (element != null) {
-        /// Update the page.
-        HeapProfileElement page = element;
-        page.isolate = isolate;
-      }
+      container.children = [
+        new AllocationProfileElement(isolate.vm, isolate, app.events,
+                                     app.notifications,
+                                     _allocationProfileRepository,
+                                     queue: app.queue)
+      ];
     });
   }
+
+  void onInstall() {
+    if (element == null) {
+      element = container;
+    }
+    app.startGCEventListener();
+  }
+
+  void onUninstall() {
+    super.onUninstall();
+    app.stopGCEventListener();
+  }
 }
 
 class PortsPage extends SimplePage {
   PortsPage(app)
       : super('ports', 'ports-page', app);
 
   void _visit(Uri uri) {
     super._visit(uri);
     getIsolate(uri).then((isolate) {
       if (element != null) {
@@ skipping 199 matching lines @@
     assert(element != null);
   }
 
   void _visit(Uri uri) {
     assert(element != null);
     assert(canVisit(uri));
   }
 
   bool canVisit(Uri uri) => uri.path == 'timeline';
 }