third_party/blink/renderer/core/layout/layout_ruby_text.h

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#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_RUBY_TEXT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_RUBY_TEXT_H_

#include "third_party/blink/renderer/core/layout/layout_block_flow.h"

namespace blink {

class LayoutRubyText final : public LayoutBlockFlow {
 public:
  LayoutRubyText(Element*);
  ~LayoutRubyText() override;

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

  bool IsOfType(LayoutObjectType type) const override {
    return type == kLayoutObjectRubyText || LayoutBlockFlow::IsOfType(type);
  }

  bool IsChildAllowed(LayoutObject*, const ComputedStyle&) const override;

  bool CreatesNewFormattingContext() const final {
    // Ruby text objects are pushed around after layout, to become flush with
    // the associated ruby base. As such, we cannot let floats leak out from
    // ruby text objects.
    return true;
  }

 private:
  ETextAlign TextAlignmentForLine(bool ends_with_soft_break) const override;
  void AdjustInlineDirectionLineBounds(
      unsigned expansion_opportunity_count,
      LayoutUnit& logical_left,
      LayoutUnit& logical_width) const override;
};

DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutRubyText, IsRubyText());

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_RUBY_TEXT_H_