| // Copyright 2019 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_NG_LIST_LAYOUT_NG_INSIDE_LIST_MARKER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_NG_LIST_LAYOUT_NG_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 { |
| |
| // A LayoutObject subclass for inside-positioned list markers in LayoutNG. |
| class CORE_EXPORT LayoutNGInsideListMarker final : public LayoutInline { |
| public: |
| explicit LayoutNGInsideListMarker(Element*); |
| |
| const char* GetName() const override { |
| NOT_DESTROYED(); |
| return "LayoutNGInsideListMarker"; |
| } |
| |
| const ListMarker& Marker() const { |
| NOT_DESTROYED(); |
| return list_marker_; |
| } |
| ListMarker& Marker() { |
| NOT_DESTROYED(); |
| return list_marker_; |
| } |
| |
| #if DCHECK_IS_ON() |
| void AddChild(LayoutObject* new_child, LayoutObject* before_child) override { |
| NOT_DESTROYED(); |
| // List markers with 'content: normal' should have at most one child. |
| DCHECK(!StyleRef().ContentBehavesAsNormal() || !FirstChild()); |
| LayoutInline::AddChild(new_child, before_child); |
| } |
| #endif |
| |
| private: |
| bool IsOfType(LayoutObjectType) const override; |
| PositionWithAffinity PositionForPoint(const PhysicalOffset&) const override; |
| |
| ListMarker list_marker_; |
| }; |
| |
| template <> |
| struct DowncastTraits<LayoutNGInsideListMarker> { |
| static bool AllowFrom(const LayoutObject& object) { |
| return object.IsLayoutNGInsideListMarker(); |
| } |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_NG_LIST_LAYOUT_NG_INSIDE_LIST_MARKER_H_ |