components/page_load_metrics/browser/page_load_metrics_util.cc

// 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 {

bool WasStartedInForegroundEventInForeground(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);
}

bool WasParseInForeground(base::TimeDelta parse_start,
                          base::TimeDelta parse_stop,
                          const PageLoadExtraInfo& info) {
  if (parse_start.is_zero()) {
    return false;
  }
  const bool incomplete_parse_in_foreground =
      parse_stop.is_zero() && info.started_in_foreground &&
      info.first_background_time.is_zero();

  return incomplete_parse_in_foreground ||
         WasStartedInForegroundEventInForeground(parse_stop, info);
}
}  // namespace page_load_metrics