| // 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/class_ref.dart'; |
| import 'package:observatory/src/elements/helpers/rendering_scheduler.dart'; |
| import 'package:observatory/src/elements/helpers/tag.dart'; |
| import 'package:observatory/src/elements/inbound_references.dart'; |
| import 'package:observatory/src/elements/retaining_path.dart'; |
| import 'package:observatory/src/elements/sentinel_value.dart'; |
| import 'package:observatory/src/elements/strongly_reachable_instances.dart'; |
| import 'package:observatory/src/elements/top_retaining_instances.dart'; |
| import 'package:observatory/utils.dart'; |
| |
| class ClassInstancesElement extends HtmlElement implements Renderable { |
| static const tag = |
| const Tag<ClassInstancesElement>('class-instances', dependencies: const [ |
| ClassRefElement.tag, |
| InboundReferencesElement.tag, |
| RetainingPathElement.tag, |
| TopRetainingInstancesElement.tag |
| ]); |
| |
| RenderingScheduler<ClassInstancesElement> _r; |
| |
| Stream<RenderedEvent<ClassInstancesElement>> get onRendered => _r.onRendered; |
| |
| M.IsolateRef _isolate; |
| M.Class _cls; |
| M.RetainedSizeRepository _retainedSizes; |
| M.ReachableSizeRepository _reachableSizes; |
| M.StronglyReachableInstancesRepository _stronglyReachableInstances; |
| M.TopRetainingInstancesRepository _topRetainingInstances; |
| M.ObjectRepository _objects; |
| M.Guarded<M.Instance> _retainedSize = null; |
| bool _loadingRetainedBytes = false; |
| M.Guarded<M.Instance> _reachableSize = null; |
| bool _loadingReachableBytes = false; |
| |
| M.IsolateRef get isolate => _isolate; |
| M.Class get cls => _cls; |
| |
| factory ClassInstancesElement( |
| M.IsolateRef isolate, |
| M.Class cls, |
| M.RetainedSizeRepository retainedSizes, |
| M.ReachableSizeRepository reachableSizes, |
| M.StronglyReachableInstancesRepository stronglyReachableInstances, |
| M.TopRetainingInstancesRepository topRetainingInstances, |
| M.ObjectRepository objects, |
| {RenderingQueue queue}) { |
| assert(isolate != null); |
| assert(cls != null); |
| assert(retainedSizes != null); |
| assert(reachableSizes != null); |
| assert(stronglyReachableInstances != null); |
| assert(topRetainingInstances != null); |
| assert(objects != null); |
| ClassInstancesElement e = document.createElement(tag.name); |
| e._r = new RenderingScheduler<ClassInstancesElement>(e, queue: queue); |
| e._isolate = isolate; |
| e._cls = cls; |
| e._retainedSizes = retainedSizes; |
| e._reachableSizes = reachableSizes; |
| e._stronglyReachableInstances = stronglyReachableInstances; |
| e._topRetainingInstances = topRetainingInstances; |
| e._objects = objects; |
| return e; |
| } |
| |
| ClassInstancesElement.created() : super.created(); |
| |
| @override |
| void attached() { |
| super.attached(); |
| _r.enable(); |
| } |
| |
| @override |
| void detached() { |
| super.detached(); |
| _r.disable(notify: true); |
| children = <Element>[]; |
| } |
| |
| StronglyReachableInstancesElement _strong; |
| TopRetainingInstancesElement _topRetainig; |
| |
| void render() { |
| _strong = _strong ?? |
| new StronglyReachableInstancesElement( |
| _isolate, _cls, _stronglyReachableInstances, _objects, |
| queue: _r.queue); |
| _topRetainig = _topRetainig ?? |
| new TopRetainingInstancesElement( |
| _isolate, _cls, _topRetainingInstances, _objects, |
| queue: _r.queue); |
| final instanceCount = |
| _cls.newSpace.current.instances + _cls.oldSpace.current.instances; |
| final size = Utils |
| .formatSize(_cls.newSpace.current.bytes + _cls.oldSpace.current.bytes); |
| children = <Element>[ |
| new DivElement() |
| ..classes = ['memberList'] |
| ..children = <Element>[ |
| new DivElement() |
| ..classes = const ['memberItem'] |
| ..children = <Element>[ |
| new DivElement() |
| ..classes = const ['memberName'] |
| ..text = 'currently allocated', |
| new DivElement() |
| ..classes = const ['memberValue'] |
| ..text = 'count ${instanceCount} (shallow size ${size})' |
| ], |
| new DivElement() |
| ..classes = ['memberItem'] |
| ..children = <Element>[ |
| new DivElement() |
| ..classes = ['memberName'] |
| ..text = 'strongly reachable ', |
| new DivElement() |
| ..classes = ['memberValue'] |
| ..children = <Element>[_strong] |
| ], |
| new DivElement() |
| ..classes = ['memberItem'] |
| ..title = 'Space reachable from this object, ' |
| 'excluding class references' |
| ..children = <Element>[ |
| new DivElement() |
| ..classes = ['memberName'] |
| ..text = 'Reachable size ', |
| new DivElement() |
| ..classes = ['memberValue'] |
| ..children = _createReachableSizeValue() |
| ], |
| new DivElement() |
| ..classes = ['memberItem'] |
| ..title = 'Space that would be reclaimed if references to this ' |
| 'object were replaced with null' |
| ..children = <Element>[ |
| new DivElement() |
| ..classes = ['memberName'] |
| ..text = 'Retained size ', |
| new DivElement() |
| ..classes = ['memberValue'] |
| ..children = _createRetainedSizeValue() |
| ], |
| new DivElement() |
| ..classes = ['memberItem'] |
| ..children = <Element>[ |
| new DivElement() |
| ..classes = ['memberName'] |
| ..text = 'toplist by retained memory ', |
| new DivElement() |
| ..classes = ['memberValue'] |
| ..children = <Element>[_topRetainig] |
| ] |
| ] |
| ]; |
| } |
| |
| List<Element> _createReachableSizeValue() { |
| final content = <Element>[]; |
| if (_reachableSize != null) { |
| if (_reachableSize.isSentinel) { |
| content.add(new SentinelValueElement(_reachableSize.asSentinel, |
| queue: _r.queue)); |
| } else { |
| content.add(new SpanElement() |
| ..text = Utils |
| .formatSize(int.parse(_reachableSize.asValue.valueAsString))); |
| } |
| } else { |
| content.add(new SpanElement()..text = '...'); |
| } |
| final button = new ButtonElement() |
| ..classes = ['reachable_size'] |
| ..disabled = _loadingReachableBytes |
| ..text = '↺'; |
| button.onClick.listen((_) async { |
| button.disabled = true; |
| _loadingReachableBytes = true; |
| _reachableSize = await _reachableSizes.get(_isolate, _cls.id); |
| _r.dirty(); |
| }); |
| content.add(button); |
| return content; |
| } |
| |
| List<Element> _createRetainedSizeValue() { |
| final content = <Element>[]; |
| if (_retainedSize != null) { |
| if (_retainedSize.isSentinel) { |
| content.add(new SentinelValueElement(_retainedSize.asSentinel, |
| queue: _r.queue)); |
| } else { |
| content.add(new SpanElement() |
| ..text = |
| Utils.formatSize(int.parse(_retainedSize.asValue.valueAsString))); |
| } |
| } else { |
| content.add(new SpanElement()..text = '...'); |
| } |
| final button = new ButtonElement() |
| ..classes = ['retained_size'] |
| ..disabled = _loadingRetainedBytes |
| ..text = '↺'; |
| button.onClick.listen((_) async { |
| button.disabled = true; |
| _loadingRetainedBytes = true; |
| _retainedSize = await _retainedSizes.get(_isolate, _cls.id); |
| _r.dirty(); |
| }); |
| content.add(button); |
| return content; |
| } |
| } |