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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/reload_page_load_metrics_ob
server.h" | |
6 | |
7 #include "chrome/browser/page_load_metrics/observers/core_page_load_metrics_obse
rver.h" | |
8 #include "components/page_load_metrics/browser/page_load_metrics_util.h" | |
9 #include "ui/base/page_transition_types.h" | |
10 | |
11 namespace chrome { | |
12 | |
13 namespace { | |
14 | |
15 const char kHistogramFirstContentfulPaintReload[] = | |
16 "PageLoad.Clients.Reload.PaintTiming.NavigationToFirstContentfulPaint"; | |
17 const char kHistogramFirstContentfulPaintReloadByGesture[] = | |
18 "PageLoad.Clients.Reload.PaintTiming.NavigationToFirstContentfulPaint." | |
19 "UserGesture"; | |
20 | |
21 } // namespace | |
22 | |
23 ReloadPageLoadMetricsObserver::ReloadPageLoadMetricsObserver() | |
24 : page_transition_was_reload_(false), initiated_by_user_gesture_(false) {} | |
25 | |
26 void ReloadPageLoadMetricsObserver::OnCommit( | |
27 content::NavigationHandle* navigation_handle) { | |
28 page_transition_was_reload_ = ui::PageTransitionCoreTypeIs( | |
29 navigation_handle->GetPageTransition(), ui::PAGE_TRANSITION_RELOAD); | |
30 initiated_by_user_gesture_ = navigation_handle->HasUserGesture(); | |
31 } | |
32 | |
33 void ReloadPageLoadMetricsObserver::OnFirstContentfulPaint( | |
34 const page_load_metrics::PageLoadTiming& timing, | |
35 const page_load_metrics::PageLoadExtraInfo& extra_info) { | |
36 if (!page_transition_was_reload_ || | |
37 !WasStartedInForegroundEventInForeground(timing.first_contentful_paint, | |
38 extra_info)) { | |
39 return; | |
40 } | |
41 | |
42 PAGE_LOAD_HISTOGRAM(kHistogramFirstContentfulPaintReload, | |
43 timing.first_contentful_paint); | |
44 if (initiated_by_user_gesture_) { | |
45 PAGE_LOAD_HISTOGRAM(kHistogramFirstContentfulPaintReloadByGesture, | |
46 timing.first_contentful_paint); | |
47 } | |
48 } | |
49 | |
50 } // namespace chrome | |
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