chrome/browser/page_load_metrics/observers/protocol_page_load_metrics_observer.h

// Copyright 2016 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.

#ifndef CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_PROTOCOL_PAGE_LOAD_METRICS_OBSERVER_H_
#define CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_PROTOCOL_PAGE_LOAD_METRICS_OBSERVER_H_

#include "base/macros.h"
#include "chrome/browser/page_load_metrics/page_load_metrics_observer.h"
#include "net/http/http_response_info.h"
#include "services/metrics/public/cpp/ukm_source.h"

class ProtocolPageLoadMetricsObserver
    : public page_load_metrics::PageLoadMetricsObserver {
 public:
  ProtocolPageLoadMetricsObserver() = default;

  // page_load_metrics::PageLoadMetricsObserver implementation:
  ObservePolicy OnStart(content::NavigationHandle* navigation_handle,
                        const GURL& currently_committed_url,
                        bool started_in_foreground) override;
  ObservePolicy OnCommit(content::NavigationHandle* navigation_handle,
                         ukm::SourceId source_id) override;
  ObservePolicy OnHidden(
      const page_load_metrics::mojom::PageLoadTiming& timing,
      const page_load_metrics::PageLoadExtraInfo& info) override;
  void OnParseStart(
      const page_load_metrics::mojom::PageLoadTiming& timing,
      const page_load_metrics::PageLoadExtraInfo& extra_info) override;
  void OnFirstContentfulPaintInPage(
      const page_load_metrics::mojom::PageLoadTiming& timing,
      const page_load_metrics::PageLoadExtraInfo& extra_info) override;
  void OnFirstMeaningfulPaintInMainFrameDocument(
      const page_load_metrics::mojom::PageLoadTiming& timing,
      const page_load_metrics::PageLoadExtraInfo& extra_info) override;
  void OnDomContentLoadedEventStart(
      const page_load_metrics::mojom::PageLoadTiming& timing,
      const page_load_metrics::PageLoadExtraInfo& extra_info) override;
  void OnLoadEventStart(
      const page_load_metrics::mojom::PageLoadTiming& timing,
      const page_load_metrics::PageLoadExtraInfo& extra_info) override;

 private:
  friend class ProtocolPageLoadMetricsObserverTest;

  // The connection info for the committed URL.
  net::HttpResponseInfo::ConnectionInfo connection_info_;

  DISALLOW_COPY_AND_ASSIGN(ProtocolPageLoadMetricsObserver);
};

#endif  // CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_PROTOCOL_PAGE_LOAD_METRICS_OBSERVER_H_