Converted Observatory field-view element

runtime/observatory/lib/src/elements/field_view.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.
 
 library field_view_element;
 
 import 'dart:async';
-import 'observatory_element.dart';
-import 'package:observatory/service.dart';
-import 'package:polymer/polymer.dart';
-
-@CustomTag('field-view')
-class FieldViewElement extends ObservatoryElement {
-  @published Field field;
+import 'dart:html';
+import 'package:observatory/models.dart' as M;
+import 'package:observatory/src/elements/class_ref.dart';
+import 'package:observatory/src/elements/curly_block.dart';
+import 'package:observatory/src/elements/helpers/any_ref.dart';
+import 'package:observatory/src/elements/helpers/rendering_scheduler.dart';
+import 'package:observatory/src/elements/helpers/tag.dart';
+import 'package:observatory/src/elements/nav/bar.dart';
+import 'package:observatory/src/elements/nav/class_menu.dart';
+import 'package:observatory/src/elements/nav/isolate_menu.dart';
+import 'package:observatory/src/elements/nav/library_menu.dart';
+import 'package:observatory/src/elements/nav/menu.dart';
+import 'package:observatory/src/elements/nav/notify.dart';
+import 'package:observatory/src/elements/nav/refresh.dart';
+import 'package:observatory/src/elements/nav/top_menu.dart';
+import 'package:observatory/src/elements/nav/vm_menu.dart';
+import 'package:observatory/src/elements/object_common.dart';
+import 'package:observatory/src/elements/script_inset.dart';
+import 'package:observatory/src/elements/source_link.dart';
+import 'package:observatory/src/elements/view_footer.dart';
+
+class FieldViewElement extends HtmlElement implements Renderable {
+  static const tag = const Tag<FieldViewElement>('field-view',
+                                            dependencies: const [
+                                              ClassRefElement.tag,
+                                              CurlyBlockElement.tag,
+                                              NavBarElement.tag,
+                                              NavClassMenuElement.tag,
+                                              NavLibraryMenuElement.tag,
+                                              NavTopMenuElement.tag,
+                                              NavVMMenuElement.tag,
+                                              NavIsolateMenuElement.tag,
+                                              NavMenuElement.tag,
+                                              NavRefreshElement.tag,
+                                              NavNotifyElement.tag,
+                                              ObjectCommonElement.tag,
+                                              SourceLinkElement.tag,
+                                              ViewFooterElement.tag
+                                            ]);
+
+  RenderingScheduler<FieldViewElement> _r;
+
+  Stream<RenderedEvent<FieldViewElement>> get onRendered => _r.onRendered;
+
+  M.VM _vm;
+  M.IsolateRef _isolate;
+  M.EventRepository _events;
+  M.NotificationRepository _notifications;
+  M.Field _field;
+  M.LibraryRef _library;
+  M.FieldRepository _fields;
+  M.ClassRepository _classes;
+  M.RetainedSizeRepository _retainedSizes;
+  M.ReachableSizeRepository _reachableSizes;
+  M.InboundReferencesRepository _references;
+  M.RetainingPathRepository _retainingPaths;
+  M.ScriptRepository _scripts;
+  M.InstanceRepository _instances;
+
+
+  M.VMRef get vm => _vm;
+  M.IsolateRef get isolate => _isolate;
+  M.NotificationRepository get notifications => _notifications;
+  M.Field get field => _field;
+
+  factory FieldViewElement(M.VM vm, M.IsolateRef isolate, M.Field field,
+                            M.EventRepository events,
+                            M.NotificationRepository notifications,
+                            M.FieldRepository fields,
+                            M.ClassRepository classes,
+                            M.RetainedSizeRepository retainedSizes,
+                            M.ReachableSizeRepository reachableSizes,
+                            M.InboundReferencesRepository references,
+                            M.RetainingPathRepository retainingPaths,
+                            M.ScriptRepository scripts,
+                            M.InstanceRepository instances,
+                            {RenderingQueue queue}) {
+    assert(vm != null);
+    assert(isolate != null);
+    assert(events != null);
+    assert(notifications != null);
+    assert(field != null);
+    assert(fields != null);
+    assert(classes != null);
+    assert(retainedSizes != null);
+    assert(reachableSizes != null);
+    assert(references != null);
+    assert(retainingPaths != null);
+    assert(scripts != null);
+    assert(instances != null);
+    FieldViewElement e = document.createElement(tag.name);
+    e._r = new RenderingScheduler(e, queue: queue);
+    e._vm = vm;
+    e._isolate = isolate;
+    e._events = events;
+    e._notifications = notifications;
+    e._field = field;
+    e._fields = fields;
+    e._classes = classes;
+    e._retainedSizes = retainedSizes;
+    e._reachableSizes = reachableSizes;
+    e._references = references;
+    e._retainingPaths = retainingPaths;
+    e._scripts = scripts;
+    e._instances = instances;
+    if (field.dartOwner is M.LibraryRef) {
+      e._library = field.dartOwner;
+    }
+    return e;
+  }
+
   FieldViewElement.created() : super.created();
 
-  Future refresh() {
-    return field.reload();
+  @override
+  attached() {
+    super.attached();
+    _r.enable();
+    _refresh();
+  }
+
+  @override
+  detached() {
+    super.detached();
+    _r.disable(notify: true);
+    children = [];
+  }
+
+  void render() {
+    var header = '';
+    if (_field.isStatic) {
+      if (_field.dartOwner is M.ClassRef) {
+        header += 'static ';
+      } else {
+        header += 'top-level ';
+      }
+    }
+    if (_field.isFinal) {
+      header += 'final ';
+    } else if (_field.isConst) {
+      header += 'const ';
+    }
+    if (_field.declaredType.name == 'dynamic'){
+      header += 'var';
+    } else {
+      header += _field.declaredType.name;
+    }
+    children = [
+      new NavBarElement(queue: _r.queue)
+        ..children = _createMenu(),
+      new DivElement()..classes = const ['content-centered-big']
+        ..children = [
+          new HeadingElement.h2()..text = '$header ${field.name}',
+          new HRElement(),
+          new ObjectCommonElement(_isolate, _field, _retainedSizes,
+                                  _reachableSizes, _references, _retainingPaths,
+                                  _instances, queue: _r.queue),
+          new BRElement(),
+          new DivElement()..classes = ['memberList']
+            ..children = _createMembers(),
+          new HRElement(),
+          new DivElement()
+            ..children = _field.location == null ? const []
+              : [
+                  new ScriptInsetElement(_isolate, _field.location.script,
+                                         _scripts, _instances, _events,
+                                         startPos: field.location.tokenPos,
+                                         endPos: field.location.tokenPos,
+                                         queue: _r.queue)
+              ],
+          new ViewFooterElement(queue: _r.queue)
+        ]
+      ];
+  }
+
+  List<Element> _createMenu() {
+    final menu = [
+      new NavTopMenuElement(queue: _r.queue),
+      new NavVMMenuElement(_vm, _events, queue: _r.queue),
+      new NavIsolateMenuElement(_isolate, _events, queue: _r.queue)
+    ];
+    if (_library != null) {
+      menu.add(new NavLibraryMenuElement(_isolate, _field.dartOwner,
+                                         queue: _r.queue));
+    } else if (_field.dartOwner is M.ClassRef) {
+      menu.add(
+        new NavClassMenuElement(_isolate, _field.dartOwner, queue: _r.queue),
+      );
+    }
+    menu.addAll([
+      new NavMenuElement(_field.name, last: true, queue: _r.queue),
+      new NavRefreshElement(queue: _r.queue)
+          ..onRefresh.listen((e) {
+            e.element.disabled = true;
+            _refresh();
+          }),
+      new NavNotifyElement(_notifications, queue: _r.queue)
+    ]);
+    return menu;
+  }
+
+  List<Element> _createMembers() {
+    final members = <Element>[
+      new DivElement()..classes = ['memberItem']
+        ..children = [
+          new DivElement()..classes = ['memberName']
+            ..text = 'owner',
+          new DivElement()..classes = ['memberName']
+            ..children = [
+              _field.dartOwner == null
+                ? (new SpanElement()..text = '...')
+                : anyRef(_isolate, _field.dartOwner, _instances,
+                         queue: _r.queue)
+            ]
+        ],
+      new DivElement()..classes = ['memberItem']
+        ..children = [
+          new DivElement()..classes = ['memberName']
+            ..text = 'script',
+          new DivElement()..classes = ['memberName']
+            ..children = [
+              new SourceLinkElement(_isolate, field.location, _scripts,
+                                    queue: _r.queue)
+            ]
+        ]
+    ];
+    if (!_field.isStatic) {
+      members.add(
+        new DivElement()..classes = ['memberItem']
+          ..title = 'The types observed for this field at runtime. '
+                    'Fields that are observed to have a single type at runtime '
+                    'or to never be null may allow for additional optimization.'
+          ..children = [
+            new DivElement()..classes = ['memberName']
+              ..text = 'observed types',
+            new DivElement()..classes = ['memberName']
+              ..children = _createGuard()
+          ]
+      );
+    }
+    if (_field.staticValue != null) {
+      members.add(
+        new DivElement()..classes = ['memberItem']
+          ..children = [
+            new DivElement()..classes = ['memberName']
+              ..text = 'static value',
+            new DivElement()..classes = ['memberName']
+              ..children = [
+                anyRef(_isolate, _field.staticValue, _instances,
+                       queue: _r.queue)
+              ]
+          ]
+      );
+    }
+    return members;
+  }
+
+  List<Element> _createGuard() {
+    final guard = <Element>[];
+    switch (_field.guardClassKind) {
+      case M.GuardClassKind.unknown:
+        guard.add(new SpanElement()..text = 'none');
+        break;
+      case M.GuardClassKind.dynamic:
+        guard.add(new SpanElement()..text = 'various');
+        break;
+      case M.GuardClassKind.single:
+        guard.add(new ClassRefElement(_isolate, _field.guardClass,
+                                      queue: _r.queue));
+        break;
+    }
+    guard.add(new SpanElement()
+      ..text = _field.guardNullable ? '— null observed' : '— null not observed'
+    );
+    return guard;
+  }
+
+  Future _refresh() async {
+    _field = await _fields.get(_isolate, _field.id);
+    if (field.dartOwner is M.LibraryRef) {
+      _library = field.dartOwner;
+    } else if (field.dartOwner is M.ClassRef) {
+      _library = (await _classes.get(_isolate, field.dartOwner.id)).library;
+    }
+    _r.dirty();
   }
 }