| // 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_2/models.dart' as M; |
| import 'package:observatory_2/src/elements/class_ref.dart'; |
| import 'package:observatory_2/src/elements/helpers/rendering_scheduler.dart'; |
| import 'package:observatory_2/src/elements/helpers/custom_element.dart'; |
| import 'package:observatory_2/src/elements/inbound_references.dart'; |
| import 'package:observatory_2/src/elements/retaining_path.dart'; |
| import 'package:observatory_2/src/elements/sentinel_value.dart'; |
| import 'package:observatory_2/utils.dart'; |
| |
| class ObjectCommonElement extends CustomElement implements Renderable { |
| RenderingScheduler<ObjectCommonElement> _r; |
| |
| Stream<RenderedEvent<ObjectCommonElement>> get onRendered => _r.onRendered; |
| |
| M.IsolateRef _isolate; |
| M.Object _object; |
| M.RetainedSizeRepository _retainedSizes; |
| M.ReachableSizeRepository _reachableSizes; |
| M.InboundReferencesRepository _references; |
| M.RetainingPathRepository _retainingPaths; |
| 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.Object get object => _object; |
| |
| factory ObjectCommonElement( |
| M.IsolateRef isolate, |
| M.Object object, |
| M.RetainedSizeRepository retainedSizes, |
| M.ReachableSizeRepository reachableSizes, |
| M.InboundReferencesRepository references, |
| M.RetainingPathRepository retainingPaths, |
| M.ObjectRepository objects, |
| {RenderingQueue queue}) { |
| assert(isolate != null); |
| assert(object != null); |
| assert(retainedSizes != null); |
| assert(reachableSizes != null); |
| assert(references != null); |
| assert(retainingPaths != null); |
| assert(objects != null); |
| ObjectCommonElement e = new ObjectCommonElement.created(); |
| e._r = new RenderingScheduler<ObjectCommonElement>(e, queue: queue); |
| e._isolate = isolate; |
| e._object = object; |
| e._retainedSizes = retainedSizes; |
| e._reachableSizes = reachableSizes; |
| e._references = references; |
| e._objects = objects; |
| e._retainingPaths = retainingPaths; |
| return e; |
| } |
| |
| ObjectCommonElement.created() : super.created('object-common'); |
| |
| @override |
| void attached() { |
| super.attached(); |
| _r.enable(); |
| } |
| |
| @override |
| void detached() { |
| super.detached(); |
| _r.disable(notify: true); |
| children = <Element>[]; |
| } |
| |
| RetainingPathElement _path; |
| InboundReferencesElement _inbounds; |
| |
| void render() { |
| _path = _path ?? |
| new RetainingPathElement(_isolate, _object, _retainingPaths, _objects, |
| queue: _r.queue); |
| _inbounds = _inbounds ?? |
| new InboundReferencesElement(_isolate, _object, _references, _objects, |
| queue: _r.queue); |
| children = <Element>[ |
| new DivElement() |
| ..classes = ['memberList'] |
| ..children = <Element>[ |
| new DivElement() |
| ..classes = ['memberItem'] |
| ..children = <Element>[ |
| new DivElement() |
| ..classes = ['memberName'] |
| ..text = 'Class ', |
| new DivElement() |
| ..classes = ['memberValue'] |
| ..children = <Element>[ |
| _object.clazz == null |
| ? (new SpanElement()..text = '...') |
| : new ClassRefElement(_isolate, _object.clazz, |
| queue: _r.queue) |
| .element |
| ] |
| ], |
| new DivElement() |
| ..classes = ['memberItem'] |
| ..title = 'Space for this object in memory' |
| ..children = <Element>[ |
| new DivElement() |
| ..classes = ['memberName'] |
| ..text = 'Shallow size ', |
| new DivElement() |
| ..classes = ['memberValue'] |
| ..text = Utils.formatSize(_object.size ?? 0) |
| ], |
| 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 = 'Retaining path ', |
| new DivElement() |
| ..classes = ['memberValue'] |
| ..children = <Element>[_path.element] |
| ], |
| new DivElement() |
| ..classes = ['memberItem'] |
| ..title = 'Objects which directly reference this object' |
| ..children = <Element>[ |
| new DivElement() |
| ..classes = ['memberName'] |
| ..text = 'Inbound references ', |
| new DivElement() |
| ..classes = ['memberValue'] |
| ..children = <Element>[_inbounds.element] |
| ] |
| ] |
| ]; |
| } |
| |
| List<Element> _createReachableSizeValue() { |
| final content = <Element>[]; |
| if (_reachableSize != null) { |
| if (_reachableSize.isSentinel) { |
| content.add( |
| new SentinelValueElement(_reachableSize.asSentinel, queue: _r.queue) |
| .element); |
| } 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, _object.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) |
| .element); |
| } 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, _object.id); |
| _r.dirty(); |
| }); |
| content.add(button); |
| return content; |
| } |
| } |