Converted Observatory source-link & script-ref elements

runtime/observatory/lib/src/elements/source_link_wrapper.dart

+// Copyright (c) 2016, 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/app.dart';
+import 'package:observatory/repositories.dart' show ScriptRepository;
+import 'package:observatory/service_html.dart' show SourceLocation;
+import 'package:observatory/src/elements/source_link.dart';
+import 'package:observatory/src/elements/helpers/tag.dart';
+import 'package:observatory/src/elements/shims/binding.dart';
+
+@bindable
+class SourceLinkElementWrapper extends HtmlElement {
+  static const binder = const Binder<SourceLinkElementWrapper>(const {
+      'location' : #location
+    });
+
+  static const tag = const Tag<SourceLinkElementWrapper>('source-link');
+
+  SourceLocation _location;
+  SourceLocation get location => location;
+  set location(SourceLocation location) { _location = location; render(); }
+
+  SourceLinkElementWrapper.created() : super.created() {
+    binder.registerCallback(this);
+    createShadowRoot();
+    render();
+  }
+
+  @override
+  void attached() {
+    super.attached();
+    render();
+  }
+
+  Future render() async {
+    shadowRoot.children = [];
+    if (_location == null) return;
+
+    ScriptRepository repository = new ScriptRepository(_location.isolate);
+
+    shadowRoot.children = [
+      new StyleElement()
+        ..text = '@import "packages/observatory/src/elements/css/shared.css";',
+      new SourceLinkElement(_location.isolate, _location, repository,
+                            queue: ObservatoryApplication.app.queue)
+    ];
+  }
+}