metrics_render_frame_observer.h | Explore in Territory

// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_PAGE_LOAD_METRICS_RENDERER_METRICS_RENDER_FRAME_OBSERVER_H_
#define COMPONENTS_PAGE_LOAD_METRICS_RENDERER_METRICS_RENDER_FRAME_OBSERVER_H_

#include <memory>
#include <optional>
#include <set>

#include "base/scoped_observation.h"
#include "components/page_load_metrics/common/page_load_timing.h"
#include "components/page_load_metrics/renderer/page_resource_data_use.h"
#include "components/page_load_metrics/renderer/page_timing_metadata_recorder.h"
#include "content/public/renderer/render_frame_observer.h"
#include "third_party/blink/public/common/loader/loading_behavior_flag.h"
#include "third_party/blink/public/common/responsiveness_metrics/user_interaction_latency.h"
#include "third_party/blink/public/common/subresource_load_metrics.h"
#include "third_party/blink/public/mojom/loader/resource_load_info.mojom-shared.h"
#include "third_party/blink/public/web/web_local_frame_observer.h"

class GURL;

namespace base {
class OneShotTimer;
}  // namespace base

namespace blink {
struct JavaScriptFrameworkDetectionResult;
struct SoftNavigationMetrics;
}  // namespace blink

namespace page_load_metrics {

namespace internal {
const char kPageLoadInternalSoftNavigationFromStartInvalidTiming[] = …;

// These values are recorded into a UMA histogram as scenarios where the start
// time of soft navigation ends up being 0. These entries
// should not be renumbered and the numeric values should not be reused. These
// entries should be kept in sync with the definition in
// tools/metrics/histograms/enums.xml
// TODO(crbug.com/40074158): Remove the code here and related code once the bug
// is resolved.
enum class SoftNavigationFromStartInvalidTimingReasons { … };

void RecordUmaForkPageLoadInternalSoftNavigationFromStartInvalidTiming(
    base::TimeDelta start_time_relative_to_reference,
    double nav_start_to_reference);

}  // namespace internal

class PageTimingMetricsSender;
class PageTimingSender;

// MetricsRenderFrameObserver observes RenderFrame notifications, and sends page
// load timing information to the browser process over IPC. A
// MetricsRenderFrameObserver is instantiated for each frame (main frames and
// child frames). MetricsRenderFrameObserver dispatches timing and metadata
// updates for main frames, but only metadata updates for child frames.
class MetricsRenderFrameObserver : public content::RenderFrameObserver,
                                   public blink::WebLocalFrameObserver { … };

}  // namespace page_load_metrics

#endif  // COMPONENTS_PAGE_LOAD_METRICS_RENDERER_METRICS_RENDER_FRAME_OBSERVER_H_
chromium/components/page_load_metrics/renderer/metrics_render_frame_observer.h
