chromium/components/page_load_metrics/browser/observers/privacy_sandbox_ads_page_load_metrics_observer.cc

// Copyright 2023 The Chromium Authors
// 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/observers/privacy_sandbox_ads_page_load_metrics_observer.h"

#include <optional>
#include <vector>

#include "base/metrics/histogram_functions.h"
#include "base/strings/strcat.h"
#include "base/time/time.h"
#include "components/page_load_metrics/browser/observers/core/largest_contentful_paint_handler.h"
#include "components/page_load_metrics/browser/page_load_metrics_observer.h"
#include "components/page_load_metrics/browser/page_load_metrics_observer_delegate.h"
#include "components/page_load_metrics/browser/page_load_metrics_observer_interface.h"
#include "components/page_load_metrics/browser/page_load_metrics_util.h"
#include "third_party/blink/public/mojom/use_counter/metrics/web_feature.mojom.h"
#include "third_party/blink/public/mojom/use_counter/use_counter_feature.mojom.h"

namespace {

FeatureType;
WebFeature;

constexpr char kHistogramPrivacySandboxAdsFirstInputDelay4Prefix[] = …;

constexpr char
    kHistogramPrivacySandboxAdsNavigationToFirstContentfulPaintPrefix[] = …;

constexpr char
    kHistogramPrivacySandboxAdsNavigationToLargestContentfulPaint2Prefix[] = …;

constexpr char kHistogramPrivacySandboxAdsMaxCumulativeShiftScorePrefix[] = …;

}  // namespace

// static
std::string PrivacySandboxAdsPageLoadMetricsObserver::GetHistogramName(
    const char* prefix,
    PrivacySandboxAdsApi api) { … }

const char* PrivacySandboxAdsPageLoadMetricsObserver::GetObserverName() const { … }

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

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

void PrivacySandboxAdsPageLoadMetricsObserver::OnFirstInputInPage(
    const page_load_metrics::mojom::PageLoadTiming& timing) { … }

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

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

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

void PrivacySandboxAdsPageLoadMetricsObserver::OnFeaturesUsageObserved(
    content::RenderFrameHost* rfh,
    const std::vector<blink::UseCounterFeature>& features) { … }

void PrivacySandboxAdsPageLoadMetricsObserver::RecordSessionEndHistograms(
    const page_load_metrics::mojom::PageLoadTiming& main_frame_timing) { … }