chromium/third_party/blink/renderer/core/layout/inline/inline_box_state.h

// Copyright 2017 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_LAYOUT_INLINE_INLINE_BOX_STATE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_INLINE_INLINE_BOX_STATE_H_

#include <optional>

#include "base/dcheck_is_on.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/layout/geometry/logical_rect.h"
#include "third_party/blink/renderer/core/layout/inline/line_box_fragment_builder.h"
#include "third_party/blink/renderer/core/style/computed_style_constants.h"
#include "third_party/blink/renderer/platform/fonts/font_height.h"
#include "third_party/blink/renderer/platform/geometry/layout_unit.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
#include "third_party/blink/renderer/platform/wtf/vector_traits.h"

namespace blink {

class InlineItem;
class LogicalLineItems;
class ShapeResultView;
struct InlineItemResult;
struct LogicalRubyColumn;

// Fragments that require the layout position/size of ancestor are packed in
// this struct.
struct PendingPositions { … };

// Represents the current box while InlineLayoutAlgorithm performs layout.
// Used 1) to cache common values for a box, and 2) to layout children that
// require ancestor position or size.
// This is a transient object only while building line boxes in a block.
struct InlineBoxState { … };

// Represents the inline tree structure. This class provides:
// 1) Allow access to fragments belonging to the current box.
// 2) Performs layout when the positin/size of a box was computed.
// 3) Cache common values for a box.
class CORE_EXPORT InlineLayoutStateStack { … };

// Represents a ruby column.  This associates LogicalLineItems for a ruby-base
// and LogicalLineItems for a ruby-text.
struct CORE_EXPORT LogicalRubyColumn
    : public GarbageCollected<LogicalRubyColumn> { … };

}  // namespace blink

WTF_ALLOW_CLEAR_UNUSED_SLOTS_WITH_MEM_FUNCTIONS(…)
WTF_ALLOW_CLEAR_UNUSED_SLOTS_WITH_MEM_FUNCTIONS(…)

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_INLINE_INLINE_BOX_STATE_H_