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1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "chrome/browser/page_load_metrics/observers/service_worker_page_load_me trics_observer.h" | |
6 #include "components/page_load_metrics/browser/page_load_metrics_util.h" | |
7 #include "third_party/WebKit/public/platform/WebLoadingBehaviorFlag.h" | |
8 | |
9 namespace internal { | |
10 | |
11 const char kHistogramServiceWorkerFirstContentfulPaint[] = | |
12 "PageLoad.Clients.ServiceWorker.Timing2.NavigationToFirstContentfulPaint"; | |
13 const char kBackgroundHistogramServiceWorkerFirstContentfulPaint[] = | |
14 "PageLoad.Clients.ServiceWorker.Timing2.NavigationToFirstContentfulPaint." | |
15 "Background"; | |
16 | |
17 } // namespace internal | |
18 | |
19 ServiceWorkerPageLoadMetricsObserver::ServiceWorkerPageLoadMetricsObserver() {} | |
20 | |
21 void ServiceWorkerPageLoadMetricsObserver::OnComplete( | |
22 const page_load_metrics::PageLoadTiming& timing, | |
23 const page_load_metrics::PageLoadExtraInfo& info) { | |
24 if (timing.first_contentful_paint.is_zero()) | |
25 return; | |
26 if (info.metadata.behavior_flags & | |
27 blink::WebLoadingBehaviorFlag:: | |
28 WebLoadingBehaviorServiceWorkerControlled) { | |
29 LogDocumentWriteEvaluatorData(timing, info); | |
Bryan McQuade
2016/04/14 15:10:26
rename to LogServiceWorkerHistograms
horo
2016/04/14 15:46:31
Done.
| |
30 } | |
31 } | |
32 | |
33 void ServiceWorkerPageLoadMetricsObserver::LogDocumentWriteEvaluatorData( | |
34 const page_load_metrics::PageLoadTiming& timing, | |
35 const page_load_metrics::PageLoadExtraInfo& info) { | |
36 bool foreground_paint = WasStartedInForegroundEventInForeground( | |
37 timing.first_contentful_paint, info); | |
38 if (foreground_paint) { | |
39 PAGE_LOAD_HISTOGRAM(internal::kHistogramServiceWorkerFirstContentfulPaint, | |
40 timing.first_contentful_paint); | |
41 } else { | |
42 PAGE_LOAD_HISTOGRAM( | |
43 internal::kBackgroundHistogramServiceWorkerFirstContentfulPaint, | |
44 timing.first_contentful_paint); | |
45 } | |
46 } | |
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