| // 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/curly_block.dart'; |
| import 'package:observatory/src/elements/field_ref.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/custom_element.dart'; |
| import 'package:observatory/src/elements/helpers/uris.dart'; |
| import 'package:observatory/utils.dart'; |
| |
| class InstanceRefElement extends CustomElement implements Renderable { |
| late RenderingScheduler<InstanceRefElement> _r; |
| |
| Stream<RenderedEvent<InstanceRefElement>> get onRendered => _r.onRendered; |
| |
| late M.IsolateRef _isolate; |
| late M.InstanceRef _instance; |
| late M.ObjectRepository _objects; |
| M.Instance? _loadedInstance; |
| late bool _expandable; |
| late bool _expanded = false; |
| |
| M.IsolateRef get isolate => _isolate; |
| M.InstanceRef get instance => _instance; |
| |
| factory InstanceRefElement( |
| M.IsolateRef isolate, M.InstanceRef instance, M.ObjectRepository objects, |
| {RenderingQueue? queue, bool expandable: true}) { |
| assert(isolate != null); |
| assert(instance != null); |
| assert(objects != null); |
| InstanceRefElement e = new InstanceRefElement.created(); |
| e._r = new RenderingScheduler<InstanceRefElement>(e, queue: queue); |
| e._isolate = isolate; |
| e._instance = instance; |
| e._objects = objects; |
| e._expandable = expandable; |
| return e; |
| } |
| |
| InstanceRefElement.created() : super.created('instance-ref'); |
| |
| @override |
| void attached() { |
| super.attached(); |
| _r.enable(); |
| } |
| |
| @override |
| void detached() { |
| super.detached(); |
| children = <Element>[]; |
| _r.disable(notify: true); |
| } |
| |
| void render() { |
| final content = _createLink(); |
| |
| if (_expandable && _hasValue()) { |
| content.addAll([ |
| new SpanElement()..text = ' ', |
| (new CurlyBlockElement(expanded: _expanded, queue: _r.queue) |
| ..content = <Element>[ |
| new DivElement() |
| ..classes = ['indent'] |
| ..children = _createValue() |
| ] |
| ..onToggle.listen((e) async { |
| _expanded = e.control.expanded; |
| if (_expanded) { |
| e.control.disabled = true; |
| await _refresh(); |
| e.control.disabled = false; |
| } |
| })) |
| .element |
| ]); |
| } |
| |
| children = content; |
| } |
| |
| Future _refresh() async { |
| _loadedInstance = await _objects.get(_isolate, _instance.id!) as M.Instance; |
| _r.dirty(); |
| } |
| |
| List<Element> _createShowMoreButton() { |
| if (_loadedInstance!.count == null) { |
| return []; |
| } |
| final count = _loadedInstance!.count; |
| final button = new ButtonElement()..text = 'show next ${count}'; |
| button.onClick.listen((_) async { |
| button.disabled = true; |
| _loadedInstance = |
| await _objects.get(_isolate, _instance.id!) as M.Instance; |
| _r.dirty(); |
| }); |
| return [button]; |
| } |
| |
| List<Element> _createLink() { |
| switch (_instance.kind) { |
| case M.InstanceKind.vNull: |
| case M.InstanceKind.bool: |
| case M.InstanceKind.int: |
| case M.InstanceKind.double: |
| case M.InstanceKind.float32x4: |
| case M.InstanceKind.float64x2: |
| case M.InstanceKind.int32x4: |
| return [ |
| new AnchorElement(href: Uris.inspect(_isolate, object: _instance)) |
| ..text = _instance.valueAsString |
| ]; |
| case M.InstanceKind.string: |
| return [ |
| new AnchorElement(href: Uris.inspect(_isolate, object: _instance)) |
| ..text = Utils.formatStringAsLiteral( |
| _instance.valueAsString!, _instance.valueAsStringIsTruncated!) |
| ]; |
| case M.InstanceKind.type: |
| case M.InstanceKind.functionType: |
| case M.InstanceKind.typeRef: |
| case M.InstanceKind.typeParameter: |
| return [ |
| new AnchorElement(href: Uris.inspect(_isolate, object: _instance)) |
| ..text = _instance.name |
| ]; |
| case M.InstanceKind.closure: |
| return [ |
| new AnchorElement(href: Uris.inspect(_isolate, object: _instance)) |
| ..children = <Element>[ |
| new SpanElement() |
| ..classes = ['emphasize'] |
| ..text = 'Closure', |
| new SpanElement()..text = ' (${_instance.closureFunction!.name})' |
| ] |
| ]; |
| case M.InstanceKind.regExp: |
| return [ |
| new AnchorElement(href: Uris.inspect(_isolate, object: _instance)) |
| ..children = <Element>[ |
| new SpanElement() |
| ..classes = ['emphasize'] |
| ..text = _instance.clazz!.name, |
| new SpanElement()..text = ' (${_instance.pattern!.valueAsString})' |
| ] |
| ]; |
| case M.InstanceKind.stackTrace: |
| return [ |
| new AnchorElement(href: Uris.inspect(_isolate, object: _instance)) |
| ..children = <Element>[ |
| new SpanElement() |
| ..classes = ['emphasize'] |
| ..text = _instance.clazz!.name, |
| ] |
| ]; |
| case M.InstanceKind.plainInstance: |
| case M.InstanceKind.receivePort: |
| return [ |
| new AnchorElement(href: Uris.inspect(_isolate, object: _instance)) |
| ..classes = ['emphasize'] |
| ..text = _instance.clazz!.name |
| ]; |
| case M.InstanceKind.list: |
| case M.InstanceKind.map: |
| case M.InstanceKind.uint8ClampedList: |
| case M.InstanceKind.uint8List: |
| case M.InstanceKind.uint16List: |
| case M.InstanceKind.uint32List: |
| case M.InstanceKind.uint64List: |
| case M.InstanceKind.int8List: |
| case M.InstanceKind.int16List: |
| case M.InstanceKind.int32List: |
| case M.InstanceKind.int64List: |
| case M.InstanceKind.float32List: |
| case M.InstanceKind.float64List: |
| case M.InstanceKind.int32x4List: |
| case M.InstanceKind.float32x4List: |
| case M.InstanceKind.float64x2List: |
| return [ |
| new AnchorElement(href: Uris.inspect(_isolate, object: _instance)) |
| ..children = <Element>[ |
| new SpanElement() |
| ..classes = ['emphasize'] |
| ..text = _instance.clazz!.name, |
| new SpanElement()..text = ' (${_instance.length})' |
| ] |
| ]; |
| case M.InstanceKind.mirrorReference: |
| return [ |
| new AnchorElement(href: Uris.inspect(_isolate, object: _instance)) |
| ..classes = ['emphasize'] |
| ..text = _instance.clazz!.name |
| ]; |
| case M.InstanceKind.weakProperty: |
| return [ |
| new AnchorElement(href: Uris.inspect(_isolate, object: _instance)) |
| ..classes = ['emphasize'] |
| ..text = _instance.clazz!.name |
| ]; |
| } |
| throw new Exception('Unknown InstanceKind: ${_instance.kind}'); |
| } |
| |
| bool _hasValue() { |
| switch (_instance.kind) { |
| case M.InstanceKind.closure: |
| case M.InstanceKind.plainInstance: |
| case M.InstanceKind.mirrorReference: |
| case M.InstanceKind.stackTrace: |
| case M.InstanceKind.weakProperty: |
| return true; |
| case M.InstanceKind.list: |
| case M.InstanceKind.map: |
| case M.InstanceKind.uint8ClampedList: |
| case M.InstanceKind.uint8List: |
| case M.InstanceKind.uint16List: |
| case M.InstanceKind.uint32List: |
| case M.InstanceKind.uint64List: |
| case M.InstanceKind.int8List: |
| case M.InstanceKind.int16List: |
| case M.InstanceKind.int32List: |
| case M.InstanceKind.int64List: |
| case M.InstanceKind.float32List: |
| case M.InstanceKind.float64List: |
| case M.InstanceKind.int32x4List: |
| case M.InstanceKind.float32x4List: |
| case M.InstanceKind.float64x2List: |
| return _instance.length! > 0; |
| default: |
| return false; |
| } |
| } |
| |
| List<Element> _createValue() { |
| if (_loadedInstance == null) { |
| return [new SpanElement()..text = 'Loading...']; |
| } |
| switch (_instance.kind) { |
| case M.InstanceKind.closure: |
| { |
| var members = <Element>[]; |
| if (_loadedInstance!.closureFunction != null) { |
| members.add(new DivElement() |
| ..children = <Element>[ |
| new SpanElement()..text = 'function = ', |
| anyRef(_isolate, _loadedInstance!.closureFunction, _objects, |
| queue: _r.queue) |
| ]); |
| } |
| if (_loadedInstance!.closureContext != null) { |
| members.add(new DivElement() |
| ..children = <Element>[ |
| new SpanElement()..text = 'context = ', |
| anyRef(_isolate, _loadedInstance!.closureContext, _objects, |
| queue: _r.queue) |
| ]); |
| } |
| return members; |
| } |
| case M.InstanceKind.plainInstance: |
| return _loadedInstance!.fields! |
| .map<Element>((f) => new DivElement() |
| ..children = <Element>[ |
| new FieldRefElement(_isolate, f.decl!, _objects, |
| queue: _r.queue) |
| .element, |
| new SpanElement()..text = ' = ', |
| anyRef(_isolate, f.value, _objects, queue: _r.queue) |
| ]) |
| .toList(); |
| case M.InstanceKind.list: |
| var index = 0; |
| return _loadedInstance!.elements! |
| .map<Element>((element) => new DivElement() |
| ..children = <Element>[ |
| new SpanElement()..text = '[ ${index++} ] : ', |
| anyRef(_isolate, element, _objects, queue: _r.queue) |
| ]) |
| .toList() |
| ..addAll(_createShowMoreButton()); |
| case M.InstanceKind.map: |
| return _loadedInstance!.associations! |
| .map<Element>((association) => new DivElement() |
| ..children = <Element>[ |
| new SpanElement()..text = '[ ', |
| anyRef(_isolate, association.key, _objects, queue: _r.queue), |
| new SpanElement()..text = ' ] : ', |
| anyRef(_isolate, association.value, _objects, queue: _r.queue) |
| ]) |
| .toList() |
| ..addAll(_createShowMoreButton()); |
| case M.InstanceKind.uint8ClampedList: |
| case M.InstanceKind.uint8List: |
| case M.InstanceKind.uint16List: |
| case M.InstanceKind.uint32List: |
| case M.InstanceKind.uint64List: |
| case M.InstanceKind.int8List: |
| case M.InstanceKind.int16List: |
| case M.InstanceKind.int32List: |
| case M.InstanceKind.int64List: |
| case M.InstanceKind.float32List: |
| case M.InstanceKind.float64List: |
| case M.InstanceKind.int32x4List: |
| case M.InstanceKind.float32x4List: |
| case M.InstanceKind.float64x2List: |
| var index = 0; |
| return _loadedInstance!.typedElements! |
| .map<Element>((e) => new DivElement()..text = '[ ${index++} ] : $e') |
| .toList() |
| ..addAll(_createShowMoreButton()); |
| case M.InstanceKind.mirrorReference: |
| return [ |
| new SpanElement()..text = '<referent> : ', |
| anyRef(_isolate, _loadedInstance!.referent, _objects, queue: _r.queue) |
| ]; |
| case M.InstanceKind.stackTrace: |
| return [ |
| new DivElement() |
| ..classes = ['stackTraceBox'] |
| ..text = _instance.valueAsString |
| ]; |
| case M.InstanceKind.weakProperty: |
| return [ |
| new SpanElement()..text = '<key> : ', |
| new InstanceRefElement(_isolate, _loadedInstance!.key!, _objects, |
| queue: _r.queue) |
| .element, |
| new BRElement(), |
| new SpanElement()..text = '<value> : ', |
| new InstanceRefElement(_isolate, _loadedInstance!.value!, _objects, |
| queue: _r.queue) |
| .element, |
| ]; |
| default: |
| return []; |
| } |
| } |
| } |