chromium/src/third_party/blink/renderer/core/layout/layout_inside_list_marker.h

// Copyright 2020 The Chromium Authors. All rights reserved.
// 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_LAYOUT_LAYOUT_INSIDE_LIST_MARKER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_INSIDE_LIST_MARKER_H_

#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/layout/layout_inline.h"
#include "third_party/blink/renderer/core/layout/list_marker.h"

namespace blink {

// Used to layout a list item's inside marker with non-normal 'content'.
// The LayoutInsideListMarker always has to be a child of a LayoutListItem.
class CORE_EXPORT LayoutInsideListMarker final : public LayoutInline {
 public:
  explicit LayoutInsideListMarker(Element*);
  ~LayoutInsideListMarker() override;

  const char* GetName() const override {
    NOT_DESTROYED();
    return "LayoutInsideListMarker";
  }

  const ListMarker& Marker() const {
    NOT_DESTROYED();
    return list_marker_;
  }
  ListMarker& Marker() {
    NOT_DESTROYED();
    return list_marker_;
  }

 private:
  bool IsOfType(LayoutObjectType type) const override {
    NOT_DESTROYED();
    return type == kLayoutObjectInsideListMarker ||
           LayoutInline::IsOfType(type);
  }

  ListMarker list_marker_;
};

template <>
struct DowncastTraits<LayoutInsideListMarker> {
  static bool AllowFrom(const LayoutObject& object) {
    return object.IsInsideListMarkerForCustomContent();
  }
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_INSIDE_LIST_MARKER_H_