| <!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="/tracing/extras/chrome/chrome_process_helper.html"> |
| |
| <script> |
| 'use strict'; |
| |
| /** |
| * @fileoverview Utilities for accessing trace data about the Chrome browser. |
| */ |
| tr.exportTo('tr.e.audits', function() { |
| function ChromeBrowserHelper(modelHelper, process) { |
| tr.e.audits.ChromeProcessHelper.call(this, modelHelper, process); |
| this.mainThread_ = process.findAtMostOneThreadNamed('CrBrowserMain'); |
| } |
| |
| ChromeBrowserHelper.isBrowserProcess = function(process) { |
| return !!process.findAtMostOneThreadNamed('CrBrowserMain'); |
| }; |
| |
| ChromeBrowserHelper.prototype = { |
| __proto__: tr.e.audits.ChromeProcessHelper.prototype, |
| |
| get rendererHelpers() { |
| return this.modelHelper.rendererHelpers; |
| }, |
| |
| getLoadingEventsInRange: function(rangeOfInterest) { |
| return this.getAllAsyncSlicesMatching(function(slice) { |
| return slice.title.indexOf('WebContentsImpl Loading') === 0 && |
| rangeOfInterest.intersectsExplicitRangeInclusive( |
| slice.start, slice.end); |
| }); |
| }, |
| |
| getCommitProvisionalLoadEventsInRange: function(rangeOfInterest) { |
| return this.getAllAsyncSlicesMatching(function(slice) { |
| return slice.title === 'RenderFrameImpl::didCommitProvisionalLoad' && |
| rangeOfInterest.intersectsExplicitRangeInclusive( |
| slice.start, slice.end); |
| }); |
| }, |
| |
| get hasLatencyEvents() { |
| var hasLatency = false; |
| this.modelHelper.model.getAllThreads().some(function(thread) { |
| thread.iterateAllEvents(function(event) { |
| if (!event.isTopLevel) |
| return; |
| if (!(event instanceof tr.e.cc.InputLatencyAsyncSlice)) |
| return; |
| hasLatency = true; |
| }); |
| return hasLatency; |
| }); |
| return hasLatency; |
| }, |
| |
| getLatencyEventsInRange: function(rangeOfInterest) { |
| return this.getAllAsyncSlicesMatching(function(slice) { |
| return (slice.title.indexOf('InputLatency') === 0) && |
| rangeOfInterest.intersectsExplicitRangeInclusive( |
| slice.start, slice.end); |
| }); |
| }, |
| |
| getAllAsyncSlicesMatching: function(pred, opt_this) { |
| var events = []; |
| this.iterAllThreads(function(thread) { |
| thread.iterateAllEvents(function(slice) { |
| if (pred.call(opt_this, slice)) |
| events.push(slice); |
| }); |
| }); |
| return events; |
| }, |
| |
| getAllNetworkEventsInRange: function(rangeOfInterest) { |
| var networkEvents = []; |
| this.modelHelper.model.getAllThreads().forEach(function(thread) { |
| thread.asyncSliceGroup.slices.forEach(function(slice) { |
| var match = false; |
| if (slice.category == 'net' || // old-style URLRequest/Resource |
| slice.category == 'disabled-by-default-netlog' || |
| slice.category == 'netlog') { |
| match = true; |
| } |
| |
| if (!match) |
| return; |
| |
| if (rangeOfInterest.intersectsExplicitRangeInclusive( |
| slice.start, slice.end)) |
| networkEvents.push(slice); |
| }); |
| }); |
| return networkEvents; |
| }, |
| |
| iterAllThreads: function(func, opt_this) { |
| tr.b.iterItems(this.process.threads, function(tid, thread) { |
| func.call(opt_this, thread); |
| }); |
| |
| tr.b.iterItems(this.rendererHelpers, function(pid, rendererHelper) { |
| var rendererProcess = rendererHelper.process; |
| tr.b.iterItems(rendererProcess.threads, function(tid, thread) { |
| func.call(opt_this, thread); |
| }); |
| }, this); |
| } |
| }; |
| |
| return { |
| ChromeBrowserHelper: ChromeBrowserHelper |
| }; |
| }); |
| </script> |
