| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2014 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/base.html"> |
| <link rel="import" href="/base/iteration_helpers.html"> |
| <link rel="import" href="/extras/chrome/chrome_browser_helper.html"> |
| <link rel="import" href="/extras/chrome/chrome_renderer_helper.html"> |
| |
| <script> |
| 'use strict'; |
| |
| /** |
| * @fileoverview Utilities for accessing trace data about the Chrome browser. |
| */ |
| tr.exportTo('tr.e.audits', function() { |
| function findChromeBrowserProcess(model) { |
| var browserProcesses = []; |
| model.getAllProcesses().forEach(function(process) { |
| if (!tr.e.audits.ChromeBrowserHelper.isBrowserProcess(process)) |
| return; |
| browserProcesses.push(process); |
| }, this); |
| if (browserProcesses.length === 0) |
| return undefined; |
| if (browserProcesses.length > 1) |
| return undefined; |
| return browserProcesses[0]; |
| } |
| |
| function findChromeRenderProcesses(model) { |
| var rendererProcesses = []; |
| model.getAllProcesses().forEach(function(process) { |
| if (!tr.e.audits.ChromeRendererHelper.isRenderProcess(process)) |
| return; |
| rendererProcesses.push(process); |
| }); |
| return rendererProcesses; |
| } |
| |
| /** |
| * @constructor |
| */ |
| function ChromeModelHelper(model) { |
| this.model_ = model; |
| |
| // Find browserHelper. |
| this.browserProcess_ = findChromeBrowserProcess(model); |
| if (this.browserProcess_) { |
| this.browserHelper_ = new tr.e.audits.ChromeBrowserHelper( |
| this, this.browserProcess_); |
| } else { |
| this.browserHelper_ = undefined; |
| } |
| |
| // Find rendererHelpers. |
| var rendererProcesses_ = findChromeRenderProcesses(model); |
| |
| this.rendererHelpers_ = {}; |
| rendererProcesses_.forEach(function(renderProcess) { |
| var rendererHelper = new tr.e.audits.ChromeRendererHelper( |
| this, renderProcess); |
| this.rendererHelpers_[rendererHelper.pid] = rendererHelper; |
| }, this); |
| } |
| |
| ChromeModelHelper.supportsModel = function(model) { |
| if (findChromeBrowserProcess(model) !== undefined) |
| return true; |
| if (findChromeRenderProcesses(model).length) |
| return true; |
| return false; |
| } |
| |
| ChromeModelHelper.prototype = { |
| get pid() { |
| throw new Error('woah'); |
| }, |
| |
| get process() { |
| throw new Error('woah'); |
| }, |
| |
| get model() { |
| return this.model_; |
| }, |
| |
| get browserProcess() { |
| return this.browserProcess_; |
| }, |
| |
| get browserHelper() { |
| return this.browserHelper_; |
| }, |
| |
| get rendererHelpers() { |
| return this.rendererHelpers_; |
| } |
| }; |
| |
| return { |
| ChromeModelHelper: ChromeModelHelper |
| }; |
| }); |
| </script> |
