runtime/observatory/lib/src/elements/context_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.

import 'dart:async';
import 'dart:html';
import 'package:observatory/models.dart' as M;
import 'package:observatory/src/elements/context_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/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/view_footer.dart';

class ContextViewElement  extends HtmlElement implements Renderable {
  static const tag = const Tag<ContextViewElement>('context-view',
                                            dependencies: const [
                                              ContextRefElement.tag,
                                              CurlyBlockElement.tag,
                                              NavBarElement.tag,
                                              NavClassMenuElement.tag,
                                              NavTopMenuElement.tag,
                                              NavVMMenuElement.tag,
                                              NavIsolateMenuElement.tag,
                                              NavMenuElement.tag,
                                              NavRefreshElement.tag,
                                              NavNotifyElement.tag,
                                              ObjectCommonElement.tag,
                                              ViewFooterElement.tag
                                            ]);

  RenderingScheduler<ContextViewElement> _r;

  Stream<RenderedEvent<ContextViewElement>> get onRendered => _r.onRendered;

  M.VM _vm;
  M.IsolateRef _isolate;
  M.EventRepository _events;
  M.NotificationRepository _notifications;
  M.Context _context;
  M.ContextRepository _contexts;
  M.RetainedSizeRepository _retainedSizes;
  M.ReachableSizeRepository _reachableSizes;
  M.InboundReferencesRepository _references;
  M.RetainingPathRepository _retainingPaths;
  M.InstanceRepository _instances;


  M.VMRef get vm => _vm;
  M.IsolateRef get isolate => _isolate;
  M.NotificationRepository get notifications => _notifications;
  M.Context get context => _context;

  factory ContextViewElement(M.VM vm, M.IsolateRef isolate, M.Context context,
                            M.EventRepository events,
                            M.NotificationRepository notifications,
                            M.ContextRepository contexts,
                            M.RetainedSizeRepository retainedSizes,
                            M.ReachableSizeRepository reachableSizes,
                            M.InboundReferencesRepository references,
                            M.RetainingPathRepository retainingPaths,
                            M.InstanceRepository instances,
                            {RenderingQueue queue}) {
    assert(vm != null);
    assert(isolate != null);
    assert(events != null);
    assert(notifications != null);
    assert(context != null);
    assert(contexts != null);
    assert(retainedSizes != null);
    assert(reachableSizes != null);
    assert(references != null);
    assert(retainingPaths != null);
    assert(instances != null);
    ContextViewElement 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._context = context;
    e._contexts = contexts;
    e._retainedSizes = retainedSizes;
    e._reachableSizes = reachableSizes;
    e._references = references;
    e._retainingPaths = retainingPaths;
    e._instances = instances;
    return e;
  }

  ContextViewElement.created() : super.created();

  @override
  attached() {
    super.attached();
    _r.enable();
  }

  @override
  detached() {
    super.detached();
    _r.disable(notify: true);
    children = [];
  }

  void render() {
    var content = [
      new NavBarElement(queue: _r.queue)
        ..children = [
          new NavTopMenuElement(queue: _r.queue),
          new NavVMMenuElement(_vm, _events, queue: _r.queue),
          new NavIsolateMenuElement(_isolate, _events, queue: _r.queue),
          new NavClassMenuElement(_isolate, _context.clazz, queue: _r.queue),
          new NavMenuElement('instance', last: true, queue: _r.queue),
          new NavRefreshElement(queue: _r.queue)
              ..onRefresh.listen((e) async {
                e.element.disabled = true;
                _context = await _contexts.get(_isolate, _context.id);
                _r.dirty();
              }),
          new NavNotifyElement(_notifications, queue: _r.queue)
        ],
      new DivElement()..classes = const ['content-centered-big']
        ..children = [
          new HeadingElement.h2()..text = 'Allocation Profile',
          new HRElement(),
          new ObjectCommonElement(_isolate, _context, _retainedSizes,
                                  _reachableSizes, _references, _retainingPaths,
                                  _instances, queue: _r.queue)
        ]
    ];
    if (_context.parentContext != null) {
      content.addAll([
        new BRElement(),
        new DivElement()..classes = const ['content-centered-big']
          ..children = [
            new DivElement()..classes = ['memberList']
              ..children = [
                new DivElement()..classes = ['memberItem']
                  ..children = [
                    new DivElement()..classes = ['memberName']
                      ..text = 'parent context',
                    new DivElement()..classes = ['memberName']
                      ..children = [
                        new ContextRefElement(_isolate, _context.parentContext,
                                              queue: _r.queue)
                      ]
                  ]
              ]
          ]
      ]);
    }
    content.add(new HRElement());
    if (_context.variables.isNotEmpty) {
      int index = 0;
      content.addAll([
        new DivElement()..classes = const ['content-centered-big']
          ..children = [
            new SpanElement()..text = 'Variables ',
            new CurlyBlockElement(expanded: _context.variables.length > 8,
                                  queue: _r.queue)
              ..children = [
                new DivElement()..classes = ['memberList']
                  ..children = _context.variables.map((variable)
                    => new DivElement()..classes = ['memberItem']
                      ..children = [
                        new DivElement()..classes = ['memberName']
                          ..text = '[ ${++index} ]',
                        new DivElement()..classes = ['memberName']
                          ..children = [
                            anyRef(_isolate, variable.value, _instances,
                                   queue: _r.queue)
                          ]
                      ]).toList()
              ]
          ]
      ]);
    }
    content.add(new DivElement()..classes = const ['content-centered-big']
      ..children = [new ViewFooterElement(queue: _r.queue)]);
    children = content;
  }
}