Refactor Observatory

runtime/bin/vmservice/client/lib/src/observatory_elements/heap_profile.dart

Index: runtime/bin/vmservice/client/lib/src/observatory_elements/heap_profile.dart
diff --git a/runtime/bin/vmservice/client/lib/src/observatory_elements/heap_profile.dart b/runtime/bin/vmservice/client/lib/src/observatory_elements/heap_profile.dart
deleted file mode 100644
index e281a0720e365990c91901e664e1a4529722c367..0000000000000000000000000000000000000000
--- a/runtime/bin/vmservice/client/lib/src/observatory_elements/heap_profile.dart
+++ /dev/null
@@ -1,292 +0,0 @@
-// 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 heap_profile_element;
-
-import 'dart:html';
-import 'package:logging/logging.dart';
-import 'package:polymer/polymer.dart';
-import 'observatory_element.dart';
-
-/// Displays an Error response.
-@CustomTag('heap-profile')
-class HeapProfileElement extends ObservatoryElement {
-  // Indexes into VM provided map.
-  static const ALLOCATED_BEFORE_GC = 0;
-  static const ALLOCATED_BEFORE_GC_SIZE = 1;
-  static const LIVE_AFTER_GC = 2;
-  static const LIVE_AFTER_GC_SIZE = 3;
-  static const ALLOCATED_SINCE_GC = 4;
-  static const ALLOCATED_SINCE_GC_SIZE = 5;
-  static const ACCUMULATED = 6;
-  static const ACCUMULATED_SIZE = 7;
-
-  // Pie chart of new space usage.
-  var _newPieDataTable;
-  var _newPieChart;
-
-  // Pie chart of old space usage.
-  var _oldPieDataTable;
-  var _oldPieChart;
-
-  // The combined chart has old and new space merged.
-  var _combinedDataTable;
-  var _combinedChart;
-
-  // The full chart has separate columns for new and old space.
-  var _fullDataTable;
-  var _fullChart;
-
-  @published Map profile;
-
-  HeapProfileElement.created() : super.created() {
-    _fullDataTable = new DataTable();
-    _fullDataTable.addColumn('string', 'Class');
-    _fullDataTable.addColumn('number', 'Current (new)');
-    _fullDataTable.addColumn('number', 'Allocated Since GC (new)');
-    _fullDataTable.addColumn('number', 'Total before GC (new)');
-    _fullDataTable.addColumn('number', 'Survivors (new)');
-    _fullDataTable.addColumn('number', 'Current (old)');
-    _fullDataTable.addColumn('number', 'Allocated Since GC (old)');
-    _fullDataTable.addColumn('number', 'Total before GC (old)');
-    _fullDataTable.addColumn('number', 'Survivors (old)');
-    _newPieDataTable = new DataTable();
-    _newPieDataTable.addColumn('string', 'Type');
-    _newPieDataTable.addColumn('number', 'Size');
-    _oldPieDataTable = new DataTable();
-    _oldPieDataTable.addColumn('string', 'Type');
-    _oldPieDataTable.addColumn('number', 'Size');
-    _combinedDataTable = new DataTable();
-    _combinedDataTable.addColumn('string', 'Class');
-    _combinedDataTable.addColumn('number', 'Accumulator');
-    _combinedDataTable.addColumn('number', 'Accumulator Instances');
-    _combinedDataTable.addColumn('number', 'Current');
-    _combinedDataTable.addColumn('number', 'Allocated Since GC');
-    _combinedDataTable.addColumn('number', 'Total before GC');
-    _combinedDataTable.addColumn('number', 'Survivors after GC');
-  }
-
-  void enteredView() {
-    super.enteredView();
-    _fullChart = new Chart('Table',
-        shadowRoot.querySelector('#table'));
-    _fullChart.options['allowHtml'] = true;
-    _fullChart.options['sortColumn'] = 1;
-    _fullChart.options['sortAscending'] = false;
-    _newPieChart = new Chart('PieChart',
-        shadowRoot.querySelector('#newPieChart'));
-    _newPieChart.options['title'] = 'New Space';
-    _oldPieChart = new Chart('PieChart',
-        shadowRoot.querySelector('#oldPieChart'));
-    _oldPieChart.options['title'] = 'Old Space';
-    _combinedChart = new Chart('Table',
-        shadowRoot.querySelector('#simpleTable'));
-    _combinedChart.options['allowHtml'] = true;
-    _combinedChart.options['sortColumn'] = 1;
-    _combinedChart.options['sortAscending'] = false;
-    _draw();
-  }
-
-  bool _first = true;
-
-  void _updateChartData() {
-    if ((profile == null) || (profile['members'] is! List) ||
-        (profile['members'].length == 0)) {
-      return;
-    }
-    assert(_fullDataTable != null);
-    assert(_combinedDataTable != null);
-    _fullDataTable.clearRows();
-    _combinedDataTable.clearRows();
-    for (Map cls in profile['members']) {
-      if (_classHasNoAllocations(cls)) {
-        // If a class has no allocations, don't display it.
-        continue;
-      }
-      var vm_name = cls['class']['name'];
-      var url =
-          app.locationManager.currentIsolateRelativeLink(cls['class']['id']);
-      _fullDataTable.addRow([
-          '<a title="$vm_name" href="$url">'
-          '${_fullTableColumnValue(cls, 0)}</a>',
-          _fullTableColumnValue(cls, 1),
-          _fullTableColumnValue(cls, 2),
-          _fullTableColumnValue(cls, 3),
-          _fullTableColumnValue(cls, 4),
-          _fullTableColumnValue(cls, 5),
-          _fullTableColumnValue(cls, 6),
-          _fullTableColumnValue(cls, 7),
-          _fullTableColumnValue(cls, 8)]);
-      _combinedDataTable.addRow([
-           '<a title="$vm_name" href="$url">'
-           '${_combinedTableColumnValue(cls, 0)}</a>',
-           _combinedTableColumnValue(cls, 1),
-           _combinedTableColumnValue(cls, 2),
-           _combinedTableColumnValue(cls, 3),
-           _combinedTableColumnValue(cls, 4),
-           _combinedTableColumnValue(cls, 5),
-           _combinedTableColumnValue(cls, 6)]);
-    }
-    _newPieDataTable.clearRows();
-    var heap = profile['heaps']['new'];
-    _newPieDataTable.addRow(['Used', heap['used']]);
-    _newPieDataTable.addRow(['Free', heap['capacity'] - heap['used']]);
-    _oldPieDataTable.clearRows();
-    heap = profile['heaps']['old'];
-    _oldPieDataTable.addRow(['Used', heap['used']]);
-    _oldPieDataTable.addRow(['Free', heap['capacity'] - heap['used']]);
-    _draw();
-  }
-
-  void _draw() {
-    if ((_fullChart == null) || (_combinedChart == null)) {
-      return;
-    }
-    _combinedChart.refreshOptionsSortInfo();
-    _combinedChart.draw(_combinedDataTable);
-    _fullChart.refreshOptionsSortInfo();
-    _fullChart.draw(_fullDataTable);
-    _newPieChart.draw(_newPieDataTable);
-    _oldPieChart.draw(_oldPieDataTable);
-  }
-
-  bool _classHasNoAllocations(Map v) {
-    var newSpace = v['new'];
-    var oldSpace = v['old'];
-    for (var allocation in newSpace) {
-      if (allocation != 0) {
-        return false;
-      }
-    }
-    for (var allocation in oldSpace) {
-      if (allocation != 0) {
-        return false;
-      }
-    }
-    return true;
-  }
-
-  dynamic _fullTableColumnValue(Map v, int index) {
-    assert(index >= 0);
-    assert(index < 9);
-    switch (index) {
-      case 0:
-        return v['class']['user_name'];
-      case 1:
-        return v['new'][LIVE_AFTER_GC_SIZE] + v['new'][ALLOCATED_SINCE_GC_SIZE];
-      case 2:
-        return v['new'][ALLOCATED_SINCE_GC_SIZE];
-      case 3:
-        return v['new'][ALLOCATED_BEFORE_GC_SIZE];
-      case 4:
-        return v['new'][LIVE_AFTER_GC_SIZE];
-      case 5:
-        return v['old'][LIVE_AFTER_GC_SIZE] + v['old'][ALLOCATED_SINCE_GC_SIZE];
-      case 6:
-        return v['old'][ALLOCATED_SINCE_GC_SIZE];
-      case 7:
-        return v['old'][ALLOCATED_BEFORE_GC_SIZE];
-      case 8:
-        return v['old'][LIVE_AFTER_GC_SIZE];
-    }
-    throw new FallThroughError();
-  }
-
-  dynamic _combinedTableColumnValue(Map v, int index) {
-    assert(index >= 0);
-    assert(index < 7);
-    switch (index) {
-      case 0:
-        return v['class']['user_name'];
-      case 1:
-        return v['new'][ACCUMULATED_SIZE] +
-               v['old'][ACCUMULATED_SIZE];
-      case 2:
-        return v['new'][ACCUMULATED] +
-               v['old'][ACCUMULATED];
-      case 3:
-        return v['new'][LIVE_AFTER_GC_SIZE] +
-               v['new'][ALLOCATED_SINCE_GC_SIZE] +
-               v['old'][LIVE_AFTER_GC_SIZE] +
-               v['old'][ALLOCATED_SINCE_GC_SIZE];
-      case 4:
-        return v['new'][ALLOCATED_SINCE_GC_SIZE] +
-               v['old'][ALLOCATED_SINCE_GC_SIZE];
-      case 5:
-        return v['new'][ALLOCATED_BEFORE_GC_SIZE] +
-               v['old'][ALLOCATED_BEFORE_GC_SIZE];
-      case 6:
-        return v['new'][LIVE_AFTER_GC_SIZE] + v['old'][LIVE_AFTER_GC_SIZE];
-    }
-    throw new FallThroughError();
-  }
-
-  void refresh(var done) {
-    var isolateId = app.locationManager.currentIsolateId();
-    var isolate = app.isolateManager.getIsolate(isolateId);
-    if (isolate == null) {
-      Logger.root.info('No isolate found.');
-      return;
-    }
-    var request = '/$isolateId/allocationprofile';
-    app.requestManager.requestMap(request).then((Map response) {
-      assert(response['type'] == 'AllocationProfile');
-      profile = response;
-    }).catchError((e, st) {
-      Logger.root.info('$e $st');
-    }).whenComplete(done);
-  }
-
-  void resetAccumulator(Event e, var detail, Node target) {
-    var isolateId = app.locationManager.currentIsolateId();
-    var isolate = app.isolateManager.getIsolate(isolateId);
-    if (isolate == null) {
-      Logger.root.info('No isolate found.');
-      return;
-    }
-    var request = '/$isolateId/allocationprofile/reset';
-    app.requestManager.requestMap(request).then((Map response) {
-      assert(response['type'] == 'AllocationProfile');
-      profile = response;
-    }).catchError((e, st) {
-      Logger.root.info('$e $st');
-    });
-  }
-
-  void profileChanged(oldValue) {
-    _updateChartData();
-    notifyPropertyChange(#formattedAverage, [], formattedAverage);
-    notifyPropertyChange(#formattedTotalCollectionTime, [],
-                         formattedTotalCollectionTime);
-    notifyPropertyChange(#formattedCollections, [], formattedCollections);
-  }
-
-  @observable String formattedAverage(bool newSpace) {
-    if (profile == null) {
-      return '';
-    }
-    String space = newSpace ? 'new' : 'old';
-    Map heap = profile['heaps'][space];
-    var r = ((heap['time'] * 1000.0) / heap['collections']).toStringAsFixed(2);
-    return '$r ms';
-  }
-
-  @observable String formattedCollections(bool newSpace) {
-    if (profile == null) {
-      return '';
-    }
-    String space = newSpace ? 'new' : 'old';
-    Map heap = profile['heaps'][space];
-    return '${heap['collections']}';
-  }
-
-  @observable String formattedTotalCollectionTime(bool newSpace) {
-    if (profile == null) {
-      return '';
-    }
-    String space = newSpace ? 'new' : 'old';
-    Map heap = profile['heaps'][space];
-    return '${ObservatoryApplication.timeUnits(heap['time'])} secs';
-  }
-}