chromium/third_party/blink/renderer/core/frame/animation_frame_timing_monitor.h

// 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.

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_ANIMATION_FRAME_TIMING_MONITOR_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_ANIMATION_FRAME_TIMING_MONITOR_H_

#include "base/task/sequence_manager/task_time_observer.h"
#include "services/metrics/public/cpp/ukm_recorder.h"
#include "services/metrics/public/cpp/ukm_source_id.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/frame/frame.h"
#include "third_party/blink/renderer/core/probe/core_probes.h"
#include "third_party/blink/renderer/core/timing/animation_frame_timing_info.h"
#include "third_party/blink/renderer/platform/heap/collection_support/heap_vector.h"
#include "third_party/blink/renderer/platform/wtf/text/atomic_string.h"

namespace base {
class TimeTicks;
}

namespace blink {

class LocalFrame;

// Monitors long-animation-frame timing (LoAF).
// This object is a supplement to a WebFrameWidgetImpl. It handles the state
// machine related to capturing the timing for long animation frames, and
// reporting them back to the frames that observe it.
class CORE_EXPORT AnimationFrameTimingMonitor final
    : public GarbageCollected<AnimationFrameTimingMonitor>,
      public base::sequence_manager::TaskTimeObserver { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_ANIMATION_FRAME_TIMING_MONITOR_H_