| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| Use of this source code is governed by a BSD-style license that can be |
| found in the LICENSE file. |
| --> |
| |
| <link rel="import" href="/base/extension_registry.html"> |
| <link rel="import" href="/base/units/util.html"> |
| <link rel="import" href="/model/timed_event.html"> |
| |
| <script> |
| 'use strict'; |
| |
| /** |
| * @fileoverview Provides the AsyncSlice class. |
| */ |
| tr.exportTo('tr.model', function() { |
| /** |
| * A AsyncSlice represents an interval of time during which an |
| * asynchronous operation is in progress. An AsyncSlice consumes no CPU time |
| * itself and so is only associated with Threads at its start and end point. |
| * |
| * @constructor |
| */ |
| function AsyncSlice(category, title, colorId, start, args, duration, |
| opt_isTopLevel, opt_cpuStart, opt_cpuDuration) { |
| tr.model.TimedEvent.call(this, start); |
| |
| this.category = category || ''; |
| this.title = title; |
| this.colorId = colorId; |
| this.args = args; |
| this.startStackFrame = undefined; |
| this.endStackFrame = undefined; |
| this.didNotFinish = false; |
| this.important = false; |
| this.subSlices = []; |
| this.parentContainer = undefined; |
| |
| this.id = undefined; |
| this.startThread = undefined; |
| this.endThread = undefined; |
| this.cpuStart = undefined; |
| this.cpuDuration = undefined; |
| |
| this.duration = duration; |
| |
| |
| // TODO(nduca): Forgive me for what I must do. |
| this.isTopLevel = (opt_isTopLevel === true); |
| |
| if (opt_cpuStart !== undefined) |
| this.cpuStart = opt_cpuStart; |
| |
| if (opt_cpuDuration !== undefined) |
| this.cpuDuration = opt_cpuDuration; |
| }; |
| |
| AsyncSlice.prototype = { |
| __proto__: tr.model.TimedEvent.prototype, |
| |
| get analysisTypeName() { |
| return this.title; |
| }, |
| |
| get viewSubGroupTitle() { |
| return this.title; |
| }, |
| |
| get userFriendlyName() { |
| return 'Async slice ' + this.title + ' at ' + |
| tr.b.units.tsString(this.start); |
| }, |
| |
| findDescendentSlice: function(targetTitle) { |
| if (!this.subSlices) |
| return undefined; |
| |
| for (var i = 0; i < this.subSlices.length; i++) { |
| if (this.subSlices[i].title == targetTitle) |
| return this.subSlices[i]; |
| var slice = this.subSlices[i].findDescendentSlice(targetTitle); |
| if (slice) return slice; |
| } |
| return undefined; |
| }, |
| |
| iterateAllDescendents: function(callback, opt_this) { |
| this.subSlices.forEach(callback, opt_this); |
| this.subSlices.forEach(function(subSlice) { |
| subSlice.iterateAllDescendents(callback, opt_this); |
| }, opt_this); |
| }, |
| |
| compareTo: function(that) { |
| return this.title.localeCompare(that.title); |
| } |
| }; |
| |
| tr.model.EventRegistry.register( |
| AsyncSlice, |
| { |
| name: 'asyncSlice', |
| pluralName: 'asyncSlices', |
| singleViewElementName: 'tr-c-a-single-async-slice-sub-view', |
| multiViewElementName: 'tr-c-a-multi-async-slice-sub-view' |
| }); |
| |
| |
| var options = new tr.b.ExtensionRegistryOptions( |
| tr.b.TYPE_BASED_REGISTRY_MODE); |
| options.mandatoryBaseClass = AsyncSlice; |
| options.defaultConstructor = AsyncSlice; |
| tr.b.decorateExtensionRegistry(AsyncSlice, options); |
| |
| return { |
| AsyncSlice: AsyncSlice |
| }; |
| }); |
| </script> |
