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<!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/base/iteration_helpers.html">
<link rel="import" href="/tracing/model/helpers/chrome_process_helper.html">
<script>
'use strict';
/**
* @fileoverview Utilities for accessing trace data about the Chrome browser.
*/
tr.exportTo('tr.model.helpers', function() {
function ChromeBrowserHelper(modelHelper, process) {
tr.model.helpers.ChromeProcessHelper.call(this, modelHelper, process);
this.mainThread_ = process.findAtMostOneThreadNamed('CrBrowserMain');
if (!process.name)
process.name = ChromeBrowserHelper.PROCESS_NAME;
}
ChromeBrowserHelper.PROCESS_NAME = 'Browser';
ChromeBrowserHelper.isBrowserProcess = function(process) {
return !!process.findAtMostOneThreadNamed('CrBrowserMain');
};
ChromeBrowserHelper.prototype = {
__proto__: tr.model.helpers.ChromeProcessHelper.prototype,
// TODO(petrcermak): Pass browser name in a metadata event (see
// crbug.com/605088).
get browserName() {
var hasInProcessRendererThread = this.process.findAllThreadsNamed(
'Chrome_InProcRendererThread').length > 0;
return hasInProcessRendererThread ? 'webview' : 'chrome';
},
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;
for (var thread of this.modelHelper.model.getAllThreads())
for (var event of thread.getDescendantEvents()) {
if (!event.isTopLevel)
continue;
if (!(event instanceof tr.e.cc.InputLatencyAsyncSlice))
continue;
hasLatency = true;
}
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) {
for (var slice of thread.getDescendantEvents())
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>
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