Ryan Macnak
37ed87b038
Port the service tests and Observatory to Dart 3. Change-Id: I8a8b20d8f90acd3b5f741c93f10ba99971aa0c52 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/154825 Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Ben Konyi <bkonyi@google.com>
91 lines
2.8 KiB
Dart
91 lines
2.8 KiB
Dart
// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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library source_link_element;
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import 'dart:html';
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import 'dart:async';
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import 'package:observatory/models.dart'
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show IsolateRef, SourceLocation, Script, ScriptRepository;
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import 'package:observatory/service.dart' as S;
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import 'package:observatory/src/elements/helpers/rendering_scheduler.dart';
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import 'package:observatory/src/elements/helpers/custom_element.dart';
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import 'package:observatory/src/elements/helpers/uris.dart';
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class SourceLinkElement extends CustomElement implements Renderable {
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late RenderingScheduler<SourceLinkElement> _r;
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Stream<RenderedEvent<SourceLinkElement>> get onRendered => _r.onRendered;
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late IsolateRef _isolate;
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late SourceLocation _location;
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Script? _script;
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late ScriptRepository _repository;
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IsolateRef get isolate => _isolate;
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SourceLocation get location => _location;
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factory SourceLinkElement(
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IsolateRef isolate, SourceLocation location, ScriptRepository repository,
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{RenderingQueue? queue}) {
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assert(isolate != null);
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assert(location != null);
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SourceLinkElement e = new SourceLinkElement.created();
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e._r = new RenderingScheduler<SourceLinkElement>(e, queue: queue);
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e._isolate = isolate;
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e._location = location;
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e._repository = repository;
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return e;
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}
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SourceLinkElement.created() : super.created('source-link');
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@override
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void attached() {
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super.attached();
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_repository.get(_isolate, _location.script.id!).then((script) {
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_script = script;
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_r.dirty();
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}, onError: (e) {
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// The script object has expired, likely due to a hot reload.
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(_isolate as S.Isolate).getScripts().then((scripts) {
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for (final script in scripts) {
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if (script.uri == _location.script.uri) {
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_script = script;
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_r.dirty();
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return;
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}
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}
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// Rethrow the original exception if we can't find a match.
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throw e;
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});
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});
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_r.enable();
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}
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@override
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void detached() {
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super.detached();
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children = <Element>[];
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_r.disable(notify: true);
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}
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Future render() async {
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if (_script == null) {
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children = <Element>[new SpanElement()..text = '<LOADING>'];
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} else {
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String label = _script!.uri!.split('/').last;
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int? token = _location.tokenPos;
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int? line = _script!.tokenToLine(token);
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int? column = _script!.tokenToCol(token);
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children = <Element>[
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new AnchorElement(
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href: Uris.inspect(isolate, object: _script!, pos: token))
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..title = _script!.uri!
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..text = '${label}:${line}:${column}'
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];
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}
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}
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}
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