chromium/third_party/blink/renderer/core/css/stuck_query_scroll_snapshot.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_CSS_STUCK_QUERY_SCROLL_SNAPSHOT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_STUCK_QUERY_SCROLL_SNAPSHOT_H_

#include "third_party/blink/renderer/core/css/container_state.h"
#include "third_party/blink/renderer/core/scroll/scroll_snapshot_client.h"
#include "third_party/blink/renderer/platform/heap/member.h"

namespace blink {

class Element;

// Created for container-type:scroll-state elements which are queried for
// scroll-state(stuck). Stores a snapshot of whether the sticky container is
// stuck or not by reading the sticky offset from the layout object. The
// snapshot state is used to update the ContainerValues for
// the query container so that @container queries with scroll-state(stuck)
// evaluate correctly on the subsequent style update.
class StuckQueryScrollSnapshot
    : public GarbageCollected<StuckQueryScrollSnapshot>,
      public ScrollSnapshotClient { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_CSS_STUCK_QUERY_SCROLL_SNAPSHOT_H_