/* -*- 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/. */

/**

  Author:

  Eric D Vaughan

**/

#ifndef nsGridRowGroupLayout_h___

#define nsGridRowGroupLayout_h___

#include "mozilla/Attributes.h"

#include "nsGridRowLayout.h"

/**

 * The nsBoxLayout implementation for nsGridRowGroupFrame.

 */

class nsGridRowGroupLayout : public nsGridRowLayout

{

public:

  friend already_AddRefed<nsBoxLayout> NS_NewGridRowGroupLayout();

  virtual nsGridRowGroupLayout* CastToRowGroupLayout() override { return this; }

  virtual nsSize GetXULMinSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) override;

  virtual nsSize GetXULPrefSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) override;

  virtual nsSize GetXULMaxSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) override;

  virtual void CountRowsColumns(nsIFrame* aBox, int32_t& aRowCount, int32_t& aComputedColumnCount) override;

  virtual void DirtyRows(nsIFrame* aBox, nsBoxLayoutState& aState) override;

  virtual int32_t BuildRows(nsIFrame* aBox, nsGridRow* aRows) override;

  virtual nsMargin GetTotalMargin(nsIFrame* aBox, bool aIsHorizontal) override;

  virtual int32_t GetRowCount() override { return mRowCount; }

  virtual Type GetType() override { return eRowGroup; }

protected:

  nsGridRowGroupLayout();

  virtual ~nsGridRowGroupLayout();

  virtual void ChildAddedOrRemoved(nsIFrame* aBox, nsBoxLayoutState& aState) override;

  static void AddWidth(nsSize& aSize, nscoord aSize2, bool aIsHorizontal);

private:

  int32_t mRowCount;

};

#endif