chromium/third_party/blink/renderer/core/paint/timing/first_meaningful_paint_detector.h

// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_TIMING_FIRST_MEANINGFUL_PAINT_DETECTOR_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_TIMING_FIRST_MEANINGFUL_PAINT_DETECTOR_H_

#include "base/time/time.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/paint/paint_event.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/heap/member.h"

namespace base {
class TickClock;
}

namespace viz {
struct FrameTimingDetails;
}

namespace blink {

class Document;
class LayoutObjectCounter;
class PaintTiming;

// FirstMeaningfulPaintDetector observes layout operations during page load
// until network stable (no more than 2 network connections active in 0.5
// seconds), and computes the layout-based First Meaningful Paint.
// See https://goo.gl/vpaxv6 and http://goo.gl/TEiMi4 for more details.
class CORE_EXPORT FirstMeaningfulPaintDetector
    : public GarbageCollected<FirstMeaningfulPaintDetector> { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_TIMING_FIRST_MEANINGFUL_PAINT_DETECTOR_H_