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

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/* -*- 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 nsGridRowLeafFrame_h___
#define nsGridRowLeafFrame_h___
#include "mozilla/Attributes.h"
#include "nsBoxFrame.h"
namespace mozilla {
class PresShell;
} // namespace mozilla
/**
* A frame representing a grid row (or column). Grid row (and column)
* elements are the children of row group (or column group) elements,
* and their children are placed one to a cell.
*/
// XXXldb This needs a better name that indicates that it's for any grid
// row.
class nsGridRowLeafFrame : public nsBoxFrame {
public:
NS_DECL_FRAMEARENA_HELPERS(nsGridRowLeafFrame)
friend nsIFrame* NS_NewGridRowLeafFrame(mozilla::PresShell* aPresShell,
ComputedStyle* aStyle);
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const override {
return MakeFrameName(u"nsGridRowLeaf"_ns, aResult);
}
#endif
nsGridRowLeafFrame(ComputedStyle* aStyle, nsPresContext* aPresContext,
bool aIsRoot, nsBoxLayout* aLayoutManager,
ClassID aID = kClassID)
: nsBoxFrame(aStyle, aPresContext, aID, aIsRoot, aLayoutManager) {}
virtual nsresult GetXULBorderAndPadding(nsMargin& aBorderAndPadding) override;
}; // class nsGridRowLeafFrame
#endif