| // 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 isolate_ref_element; |
| |
| import 'dart:html'; |
| import 'dart:async'; |
| import 'package:observatory/models.dart' as M show IsolateRef, EventRepository; |
| import 'package:observatory/src/elements/helpers/rendering_scheduler.dart'; |
| import 'package:observatory/src/elements/helpers/tag.dart'; |
| import 'package:observatory/src/elements/helpers/uris.dart'; |
| |
| class IsolateRefElement extends HtmlElement implements Renderable { |
| static const tag = const Tag<IsolateRefElement>('isolate-ref'); |
| |
| RenderingScheduler<IsolateRefElement> _r; |
| |
| Stream<RenderedEvent<IsolateRefElement>> get onRendered => _r.onRendered; |
| |
| M.IsolateRef _isolate; |
| M.EventRepository _events; |
| StreamSubscription _updatesSubscription; |
| |
| M.IsolateRef get isolate => _isolate; |
| |
| factory IsolateRefElement(M.IsolateRef isolate, M.EventRepository events, |
| {RenderingQueue queue}) { |
| assert(isolate != null); |
| assert(events != null); |
| IsolateRefElement e = document.createElement(tag.name); |
| e._r = new RenderingScheduler(e, queue: queue); |
| e._isolate = isolate; |
| e._events = events; |
| return e; |
| } |
| |
| IsolateRefElement.created() : super.created(); |
| |
| @override |
| void attached() { |
| super.attached(); |
| _updatesSubscription = _events.onIsolateUpdate |
| .where((e) => e.isolate.id == isolate.id) |
| .listen((e) { |
| _isolate = e.isolate; |
| _r.dirty(); |
| }); |
| _r.enable(); |
| } |
| |
| @override |
| void detached() { |
| super.detached(); |
| children = []; |
| _r.disable(notify: true); |
| _updatesSubscription.cancel(); |
| } |
| |
| void render() { |
| children = [ |
| new AnchorElement(href: Uris.inspect(isolate)) |
| ..text = 'Isolate ${isolate.number} (${isolate.name})' |
| ..classes = ['isolate-ref'] |
| ]; |
| } |
| } |