chromium/third_party/blink/renderer/core/scheduler/task_attribution_tracker_impl.h

// Copyright 2022 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_SCHEDULER_TASK_ATTRIBUTION_TRACKER_IMPL_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_SCHEDULER_TASK_ATTRIBUTION_TRACKER_IMPL_H_

#include <optional>

#include "base/containers/contains.h"
#include "base/memory/raw_ptr.h"
#include "third_party/blink/public/common/scheduler/task_attribution_id.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/platform/heap/persistent.h"
#include "third_party/blink/renderer/platform/scheduler/public/task_attribution_tracker.h"
#include "third_party/blink/renderer/platform/wtf/deque.h"
#include "third_party/blink/renderer/platform/wtf/hash_map.h"
#include "third_party/blink/renderer/platform/wtf/hash_set.h"

namespace blink {
class AbortSignal;
class DOMTaskSignal;
class SoftNavigationContext;
}  // namespace blink

namespace v8 {
class Isolate;
}  // namespace v8

namespace blink::scheduler {
class TaskAttributionInfo;

// This class is used to keep track of tasks posted on the main thread and their
// ancestry. It assigns an incerementing ID per task, and gets notified when a
// task is posted, started or ended, and using that, it keeps track of which
// task is the parent of the current task, and stores that info for later. It
// then enables callers to determine if a certain task ID is an ancestor of the
// current task.
class CORE_EXPORT TaskAttributionTrackerImpl : public TaskAttributionTracker { … };

}  // namespace blink::scheduler

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_SCHEDULER_TASK_ATTRIBUTION_TRACKER_IMPL_H_