зеркало из https://github.com/mozilla/gecko-dev.git
47 строки
1.4 KiB
C++
47 строки
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsMathMLmphantomFrame_h___
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#define nsMathMLmphantomFrame_h___
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#include "mozilla/Attributes.h"
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#include "nsMathMLContainerFrame.h"
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//
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// <mphantom> -- make content invisible but preserve its size
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//
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class nsMathMLmphantomFrame : public nsMathMLContainerFrame {
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public:
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NS_DECL_FRAMEARENA_HELPERS
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friend nsIFrame* NS_NewMathMLmphantomFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
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NS_IMETHOD
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InheritAutomaticData(nsIFrame* aParent) MOZ_OVERRIDE;
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NS_IMETHOD
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TransmitAutomaticData() MOZ_OVERRIDE {
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return TransmitAutomaticDataForMrowLikeElement();
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}
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virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists) MOZ_OVERRIDE {}
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bool
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IsMrowLike() MOZ_OVERRIDE {
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return mFrames.FirstChild() != mFrames.LastChild() ||
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!mFrames.FirstChild();
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}
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protected:
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explicit nsMathMLmphantomFrame(nsStyleContext* aContext)
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: nsMathMLContainerFrame(aContext) {}
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virtual ~nsMathMLmphantomFrame();
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};
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#endif /* nsMathMLmphantomFrame_h___ */
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