| // 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:html'; |
| import 'dart:async'; |
| import 'package:observatory/models.dart' as M; |
| import 'package:observatory/src/elements/helpers/nav_bar.dart'; |
| import 'package:observatory/src/elements/helpers/nav_menu.dart'; |
| import 'package:observatory/src/elements/helpers/rendering_scheduler.dart'; |
| import 'package:observatory/src/elements/helpers/custom_element.dart'; |
| import 'package:observatory/src/elements/nav/isolate_menu.dart'; |
| import 'package:observatory/src/elements/nav/notify.dart'; |
| import 'package:observatory/src/elements/nav/top_menu.dart'; |
| import 'package:observatory/src/elements/nav/vm_menu.dart'; |
| |
| class SentinelViewElement extends CustomElement implements Renderable { |
| late RenderingScheduler<SentinelViewElement> _r; |
| |
| Stream<RenderedEvent<SentinelViewElement>> get onRendered => _r.onRendered; |
| |
| late M.VM _vm; |
| late M.IsolateRef _isolate; |
| late M.Sentinel _sentinel; |
| late M.EventRepository _events; |
| late M.NotificationRepository _notifications; |
| |
| M.Sentinel get sentinel => _sentinel; |
| |
| factory SentinelViewElement( |
| M.VM vm, |
| M.IsolateRef isolate, |
| M.Sentinel sentinel, |
| M.EventRepository events, |
| M.NotificationRepository notifications, |
| {RenderingQueue? queue}) { |
| assert(vm != null); |
| assert(isolate != null); |
| assert(sentinel != null); |
| assert(events != null); |
| assert(notifications != null); |
| SentinelViewElement e = new SentinelViewElement.created(); |
| e._r = new RenderingScheduler<SentinelViewElement>(e, queue: queue); |
| e._vm = vm; |
| e._isolate = isolate; |
| e._sentinel = sentinel; |
| e._events = events; |
| e._notifications = notifications; |
| return e; |
| } |
| |
| SentinelViewElement.created() : super.created('sentinel-view'); |
| |
| @override |
| void attached() { |
| super.attached(); |
| _r.enable(); |
| } |
| |
| @override |
| void detached() { |
| super.detached(); |
| _r.disable(notify: true); |
| text = ''; |
| title = ''; |
| } |
| |
| void render() { |
| children = <Element>[ |
| navBar(<Element>[ |
| new NavTopMenuElement(queue: _r.queue).element, |
| new NavVMMenuElement(_vm, _events, queue: _r.queue).element, |
| new NavIsolateMenuElement(_isolate, _events, queue: _r.queue).element, |
| navMenu('sentinel'), |
| new NavNotifyElement(_notifications, queue: _r.queue).element |
| ]), |
| new DivElement() |
| ..classes = ['content-centered-big'] |
| ..children = <Element>[ |
| new HeadingElement.h2() |
| ..text = 'Sentinel: #{_sentinel.valueAsString}', |
| new HRElement(), |
| new DivElement()..text = _sentinelKindToDescription(_sentinel.kind), |
| ] |
| ]; |
| } |
| |
| static String _sentinelKindToDescription(M.SentinelKind kind) { |
| switch (kind) { |
| case M.SentinelKind.collected: |
| return 'This object has been reclaimed by the garbage collector.'; |
| case M.SentinelKind.expired: |
| return 'The handle to this object has expired. ' |
| 'Consider refreshing the page.'; |
| case M.SentinelKind.notInitialized: |
| return 'This object will be initialized once it is accessed by ' |
| 'the program.'; |
| case M.SentinelKind.initializing: |
| return 'This object is currently being initialized.'; |
| case M.SentinelKind.optimizedOut: |
| return 'This object is no longer needed and has been removed by the ' |
| 'optimizing compiler.'; |
| case M.SentinelKind.free: |
| return ''; |
| } |
| throw new Exception('Unknown SentinelKind: $kind'); |
| } |
| } |