gecko/layout/mathml/nsMathMLmphantomFrame.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2012-05-21 04:12:37 -07:00
/* 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/. */
#ifndef nsMathMLmphantomFrame_h___
#define nsMathMLmphantomFrame_h___
#include "mozilla/Attributes.h"
#include "nsCOMPtr.h"
#include "nsMathMLContainerFrame.h"
//
// <mphantom> -- make content invisible but preserve its size
//
class nsMathMLmphantomFrame : public nsMathMLContainerFrame {
public:
NS_DECL_FRAMEARENA_HELPERS
friend nsIFrame* NS_NewMathMLmphantomFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
NS_IMETHOD
InheritAutomaticData(nsIFrame* aParent);
NS_IMETHOD
TransmitAutomaticData() {
return TransmitAutomaticDataForMrowLikeElement();
}
NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) MOZ_OVERRIDE { return NS_OK; }
protected:
nsMathMLmphantomFrame(nsStyleContext* aContext)
: nsMathMLContainerFrame(aContext) {}
virtual ~nsMathMLmphantomFrame();
virtual int GetSkipSides() const { return 0; }
};
#endif /* nsMathMLmphantomFrame_h___ */