1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/mathml/nsMathMLmphantomFrame.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,46 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef nsMathMLmphantomFrame_h___
1.10 +#define nsMathMLmphantomFrame_h___
1.11 +
1.12 +#include "mozilla/Attributes.h"
1.13 +#include "nsMathMLContainerFrame.h"
1.14 +
1.15 +//
1.16 +// <mphantom> -- make content invisible but preserve its size
1.17 +//
1.18 +
1.19 +class nsMathMLmphantomFrame : public nsMathMLContainerFrame {
1.20 +public:
1.21 + NS_DECL_FRAMEARENA_HELPERS
1.22 +
1.23 + friend nsIFrame* NS_NewMathMLmphantomFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
1.24 +
1.25 + NS_IMETHOD
1.26 + InheritAutomaticData(nsIFrame* aParent) MOZ_OVERRIDE;
1.27 +
1.28 + NS_IMETHOD
1.29 + TransmitAutomaticData() MOZ_OVERRIDE {
1.30 + return TransmitAutomaticDataForMrowLikeElement();
1.31 + }
1.32 +
1.33 + virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
1.34 + const nsRect& aDirtyRect,
1.35 + const nsDisplayListSet& aLists) MOZ_OVERRIDE {}
1.36 +
1.37 + bool
1.38 + IsMrowLike() MOZ_OVERRIDE {
1.39 + return mFrames.FirstChild() != mFrames.LastChild() ||
1.40 + !mFrames.FirstChild();
1.41 + }
1.42 +
1.43 +protected:
1.44 + nsMathMLmphantomFrame(nsStyleContext* aContext)
1.45 + : nsMathMLContainerFrame(aContext) {}
1.46 + virtual ~nsMathMLmphantomFrame();
1.47 +};
1.48 +
1.49 +#endif /* nsMathMLmphantomFrame_h___ */
