tenfourfox/layout/xul/grid/nsGridCell.h

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2017-04-19 07:56:45 +00:00
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 nsGridCell_h___
#define nsGridCell_h___
#include "mozilla/Attributes.h"
class nsBoxLayoutState;
struct nsSize;
class nsIFrame;
/*
* Grid cell is what makes up the cellmap in the grid. Each GridCell contains
* 2 pointers. One to the matching box in the columns and one to the matching box
* in the rows. Remember that you can put content in both rows and columns.
* When asked for preferred/min/max sizes it works like a stack and takes the
* biggest sizes.
*/
class nsGridCell final
{
public:
nsGridCell();
~nsGridCell();
nsSize GetPrefSize(nsBoxLayoutState& aBoxLayoutState);
nsSize GetMinSize(nsBoxLayoutState& aBoxLayoutState);
nsSize GetMaxSize(nsBoxLayoutState& aBoxLayoutState);
bool IsCollapsed();
// accessors
nsIFrame* GetBoxInColumn() { return mBoxInColumn; }
nsIFrame* GetBoxInRow() { return mBoxInRow; }
void SetBoxInRow(nsIFrame* aBox) { mBoxInRow = aBox; }
void SetBoxInColumn(nsIFrame* aBox) { mBoxInColumn = aBox; }
private:
nsIFrame* mBoxInColumn;
nsIFrame* mBoxInRow;
};
#endif