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

// Copyright 2017 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/loading_predictor_page_load_metrics_observer.h"

#include <memory>

#include "chrome/browser/predictors/loading_predictor.h"
#include "chrome/browser/predictors/loading_predictor_factory.h"
#include "chrome/browser/predictors/loading_predictor_tab_helper.h"
#include "chrome/browser/predictors/resource_prefetch_predictor.h"
#include "chrome/browser/profiles/profile.h"
#include "components/page_load_metrics/browser/page_load_metrics_util.h"
#include "content/public/browser/web_contents.h"

namespace internal {

const char kHistogramLoadingPredictorFirstContentfulPaintPreconnectable[] = …;
const char kHistogramLoadingPredictorFirstMeaningfulPaintPreconnectable[] = …;

}  // namespace internal

// static
std::unique_ptr<LoadingPredictorPageLoadMetricsObserver>
LoadingPredictorPageLoadMetricsObserver::CreateIfNeeded(
    content::WebContents* web_contents) { … }

LoadingPredictorPageLoadMetricsObserver::
    LoadingPredictorPageLoadMetricsObserver(
        predictors::ResourcePrefetchPredictor* predictor,
        predictors::LoadingPredictorTabHelper* predictor_tab_helper)
    : … { … }

LoadingPredictorPageLoadMetricsObserver::
    ~LoadingPredictorPageLoadMetricsObserver() { … }

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

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

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

void LoadingPredictorPageLoadMetricsObserver::DidActivatePrerenderedPage(
    content::NavigationHandle* navigation_handle) { … }

page_load_metrics::PageLoadMetricsObserver::ObservePolicy
LoadingPredictorPageLoadMetricsObserver::OnHidden(
    const page_load_metrics::mojom::PageLoadTiming& timing) { … }

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

void LoadingPredictorPageLoadMetricsObserver::
    OnFirstMeaningfulPaintInMainFrameDocument(
        const page_load_metrics::mojom::PageLoadTiming& timing) { … }