chromium/chrome/browser/page_load_metrics/observers/gws_page_load_metrics_observer.cc

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/page_load_metrics/observers/gws_page_load_metrics_observer.h"

#include <string>

#include "base/metrics/histogram_functions.h"
#include "base/metrics/histogram_macros.h"
#include "base/strings/string_util.h"
#include "base/time/time.h"
#include "base/trace_event/base_tracing.h"
#include "base/trace_event/named_trigger.h"
#include "chrome/browser/after_startup_task_utils.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/page_load_metrics/observers/histogram_suffixes.h"
#include "components/page_load_metrics/browser/navigation_handle_user_data.h"
#include "components/page_load_metrics/browser/observers/core/largest_contentful_paint_handler.h"
#include "components/page_load_metrics/browser/page_load_metrics_util.h"
#include "components/page_load_metrics/common/page_load_timing.h"
#include "components/page_load_metrics/google/browser/gws_abandoned_page_load_metrics_observer.h"
#include "content/public/browser/navigation_handle.h"
#include "services/metrics/public/cpp/ukm_builders.h"
#include "services/metrics/public/cpp/ukm_recorder.h"

PageAbortReason;

namespace internal {

#define HISTOGRAM_PREFIX …

const char kHistogramGWSNavigationStartToFinalRequestStart[] = …;
const char kHistogramGWSNavigationStartToFinalResponseStart[] = …;
const char kHistogramGWSNavigationStartToFinalLoaderCallback[] = …;
const char kHistogramGWSNavigationStartToFirstRequestStart[] = …;
const char kHistogramGWSNavigationStartToFirstResponseStart[] = …;
const char kHistogramGWSNavigationStartToFirstLoaderCallback[] = …;
const char kHistogramGWSNavigationStartToOnComplete[] = …;

const char kHistogramGWSConnectTimingFirstRequestDomainLookupDelay[] = …;
const char kHistogramGWSConnectTimingFirstRequestConnectDelay[] = …;
const char kHistogramGWSConnectTimingFirstRequestSslDelay[] = …;
const char kHistogramGWSConnectTimingFinalRequestDomainLookupDelay[] = …;
const char kHistogramGWSConnectTimingFinalRequestConnectDelay[] = …;
const char kHistogramGWSConnectTimingFinalRequestSslDelay[] = …;

const char kHistogramGWSAFTEnd[] = …;
const char kHistogramGWSAFTStart[] = …;
const char kHistogramGWSHeaderChunkStart[] = …;
const char kHistogramGWSHeaderChunkEnd[] = …;
const char kHistogramGWSBodyChunkStart[] = …;
const char kHistogramGWSBodyChunkEnd[] = …;
const char kHistogramGWSFirstContentfulPaint[] = …;
const char kHistogramGWSLargestContentfulPaint[] = …;
const char kHistogramGWSParseStart[] = …;
const char kHistogramGWSConnectStart[] = …;
const char kHistogramGWSDomainLookupStart[] = …;
const char kHistogramGWSDomainLookupEnd[] = …;

const char kHistogramGWSHCT[] = …;
const char kHistogramGWSSCT[] = …;
const char kHistogramGWSTimeBetweenHCTAndSCT[] = …;

}  // namespace internal

GWSPageLoadMetricsObserver::GWSPageLoadMetricsObserver() { … }

page_load_metrics::PageLoadMetricsObserver::ObservePolicy
GWSPageLoadMetricsObserver::OnStart(
    content::NavigationHandle* navigation_handle,
    const GURL& currently_committed_url,
    bool started_in_foreground) { … }

page_load_metrics::PageLoadMetricsObserver::ObservePolicy
GWSPageLoadMetricsObserver::OnCommit(
    content::NavigationHandle* navigation_handle) { … }

page_load_metrics::PageLoadMetricsObserver::ObservePolicy
GWSPageLoadMetricsObserver::OnPrerenderStart(
    content::NavigationHandle* navigation_handle,
    const GURL& currently_committed_url) { … }

page_load_metrics::PageLoadMetricsObserver::ObservePolicy
GWSPageLoadMetricsObserver::OnFencedFramesStart(
    content::NavigationHandle* navigation_handle,
    const GURL& currently_committed_url) { … }

void GWSPageLoadMetricsObserver::OnFirstContentfulPaintInPage(
    const page_load_metrics::mojom::PageLoadTiming& timing) { … }

void GWSPageLoadMetricsObserver::OnParseStart(
    const page_load_metrics::mojom::PageLoadTiming& timing) { … }

void GWSPageLoadMetricsObserver::OnConnectStart(
    const page_load_metrics::mojom::PageLoadTiming& timing) { … }

void GWSPageLoadMetricsObserver::OnDomainLookupStart(
    const page_load_metrics::mojom::PageLoadTiming& timing) { … }

void GWSPageLoadMetricsObserver::OnDomainLookupEnd(
    const page_load_metrics::mojom::PageLoadTiming& timing) { … }

void GWSPageLoadMetricsObserver::OnComplete(
    const page_load_metrics::mojom::PageLoadTiming& timing) { … }

void GWSPageLoadMetricsObserver::OnCustomUserTimingMarkObserved(
    const std::vector<page_load_metrics::mojom::CustomUserTimingMarkPtr>&
        timings) { … }

page_load_metrics::PageLoadMetricsObserver::ObservePolicy
GWSPageLoadMetricsObserver::FlushMetricsOnAppEnterBackground(
    const page_load_metrics::mojom::PageLoadTiming& timing) { … }

void GWSPageLoadMetricsObserver::LogMetricsOnComplete() { … }

void GWSPageLoadMetricsObserver::RecordNavigationTimingHistograms() { … }

std::string GWSPageLoadMetricsObserver::AddHistogramSuffix(
    const std::string histogram_name) { … }