| // Copyright 2015 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. |
| |
| #include "components/page_load_metrics/browser/page_load_metrics_util.h" |
| |
| #include <algorithm> |
| |
| #include "components/page_load_metrics/browser/page_load_metrics_observer.h" |
| #include "components/page_load_metrics/common/page_load_timing.h" |
| |
| namespace page_load_metrics { |
| |
| base::TimeDelta GetFirstContentfulPaint(const PageLoadTiming& timing) { |
| if (timing.first_text_paint.is_zero()) |
| return timing.first_image_paint; |
| if (timing.first_image_paint.is_zero()) |
| return timing.first_text_paint; |
| return std::min(timing.first_text_paint, timing.first_image_paint); |
| } |
| |
| bool EventOccurredInForeground(const base::TimeDelta& event, |
| const PageLoadExtraInfo& info) { |
| return info.started_in_foreground && !event.is_zero() && |
| (info.first_background_time.is_zero() || |
| event < info.first_background_time); |
| } |
| |
| } // namespace page_load_metrics |
