/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/**

  Eric D Vaughan

  A frame that can have multiple children. Only one child may be displayed at one time. So the

  can be flipped though like a deck of cards.

**/

#ifndef nsGridRowGroupFrame_h___

#define nsGridRowGroupFrame_h___

#include "mozilla/Attributes.h"

#include "nsBoxFrame.h"

/**

 * A frame representing a grid row (or column) group, which is usually

 * an element that is a child of a grid and contains all the rows (or

 * all the columns).  However, multiple levels of groups are allowed, so

 * the parent or child could instead be another group.

 */

class nsGridRowGroupFrame final : public nsBoxFrame

{

public:

  NS_DECL_FRAMEARENA_HELPERS(nsGridRowGroupFrame)

#ifdef DEBUG_FRAME_DUMP

  virtual nsresult GetFrameName(nsAString& aResult) const override

  {

      return MakeFrameName(NS_LITERAL_STRING("nsGridRowGroup"), aResult);

  }

#endif

  nsGridRowGroupFrame(ComputedStyle* aStyle,

                      nsBoxLayout* aLayoutManager):

    nsBoxFrame(aStyle, kClassID, false, aLayoutManager) {}

  virtual nscoord GetXULFlex() override;

}; // class nsGridRowGroupFrame

#endif