gecko-dev/layout/xul/grid/nsGridRowGroupFrame.h

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/* -*- 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/. */
/**
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
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const override
{
return MakeFrameName(NS_LITERAL_STRING("nsGridRowGroup"), aResult);
}
#endif
nsGridRowGroupFrame(nsStyleContext* aContext,
nsBoxLayout* aLayoutManager):
nsBoxFrame(aContext, false, aLayoutManager) {}
virtual nscoord GetXULFlex() override;
}; // class nsGridRowGroupFrame
#endif