third_party/WebKit/Source/core/layout/ng/ng_fragment.h

// Copyright 2016 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 NGFragment_h
#define NGFragment_h

#include "core/CoreExport.h"
#include "platform/LayoutUnit.h"
#include "platform/heap/Handle.h"
#include "wtf/Vector.h"

namespace blink {

class CORE_EXPORT NGFragment final : public GarbageCollected<NGFragment> {
 public:
  NGFragment(LayoutUnit inlineSize,
             LayoutUnit blockSize,
             LayoutUnit inlineOverflow,
             LayoutUnit blockOverflow);

  // Returns the border-box size.
  LayoutUnit inlineSize() const { return m_inlineSize; }
  LayoutUnit blockSize() const { return m_blockSize; }

  // Returns the total size, including the contents outside of the border-box.
  LayoutUnit inlineOverflow() const { return m_inlineOverflow; }
  LayoutUnit blockOverflow() const { return m_blockOverflow; }

  // Returns the offset relative to the parent fragement's content-box.
  LayoutUnit inlineOffset() const { return m_inlineOffset; }
  LayoutUnit blockOffset() const { return m_blockOffset; }

  // Should only be used by the parent fragement's layout.
  void setOffset(LayoutUnit inlineOffset, LayoutUnit blockOffset);

  DECLARE_TRACE();

 private:
  LayoutUnit m_inlineSize;
  LayoutUnit m_blockSize;

  LayoutUnit m_inlineOverflow;
  LayoutUnit m_blockOverflow;

  LayoutUnit m_inlineOffset;
  LayoutUnit m_blockOffset;

  HeapVector<Member<const NGFragment>> m_children;
};

}  // namespace blink

#endif  // NGFragment_h