| // 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. |
| |
| 'use strict'; |
| |
| base.require('tracing.trace_model.slice'); |
| |
| /** |
| * @fileoverview Provides the AsyncSlice class. |
| */ |
| base.exportTo('tracing.trace_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) { |
| tracing.trace_model.Slice.apply(this, arguments); |
| }; |
| |
| AsyncSlice.prototype = { |
| __proto__: tracing.trace_model.Slice.prototype, |
| |
| toJSON: function() { |
| var obj = new Object(); |
| var keys = Object.keys(this); |
| for (var i = 0; i < keys.length; i++) { |
| var key = keys[i]; |
| if (typeof this[key] == 'function') |
| continue; |
| if (key == 'startThread' || key == 'endThread') { |
| obj[key] = this[key].guid; |
| continue; |
| } |
| obj[key] = this[key]; |
| } |
| return obj; |
| }, |
| |
| id: undefined, |
| |
| startThread: undefined, |
| |
| endThread: undefined, |
| |
| subSlices: undefined |
| }; |
| |
| return { |
| AsyncSlice: AsyncSlice |
| }; |
| }); |