| <!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="/tracing/base/base.html"> |
| |
| <script> |
| 'use strict'; |
| |
| /** |
| * @fileoverview Provides the Event Index class. |
| */ |
| tr.exportTo('tr.model', function() { |
| /** |
| * A Event Index maps an id to all the events that have that particular id |
| * |
| * @constructor |
| */ |
| function ModelIndices(model) { |
| // For now the only indices we construct are for flowEvents |
| this.flowEventsById_ = {}; |
| model.flowEvents.forEach(function(fe) { |
| if (fe.id !== undefined) { |
| if (!this.flowEventsById_.hasOwnProperty(fe.id)) { |
| this.flowEventsById_[fe.id] = new Array(); |
| } |
| this.flowEventsById_[fe.id].push(fe); |
| } |
| }, this); |
| } |
| |
| ModelIndices.prototype = { |
| addEventWithId: function(id, event) { |
| if (!this.flowEventsById_.hasOwnProperty(id)) { |
| this.flowEventsById_[id] = new Array(); |
| } |
| this.flowEventsById_[id].push(event); |
| }, |
| |
| getFlowEventsWithId: function(id) { |
| if (!this.flowEventsById_.hasOwnProperty(id)) |
| return []; |
| return this.flowEventsById_[id]; |
| } |
| }; |
| |
| return { |
| ModelIndices: ModelIndices |
| }; |
| }); |
| </script> |
| |
