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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/. */
#ifndef nsMathMLmrootFrame_h___
#define nsMathMLmrootFrame_h___
#include "mozilla/Attributes.h"
#include "nsMathMLContainerFrame.h"
#include "nsMathMLChar.h"
//
// <msqrt> and <mroot> -- form a radical
//
class nsMathMLmrootFrame : public nsMathMLContainerFrame {
public:
NS_DECL_FRAMEARENA_HELPERS
friend nsIFrame* NS_NewMathMLmrootFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
virtual void
SetAdditionalStyleContext(int32_t aIndex,
nsStyleContext* aStyleContext) override;
virtual nsStyleContext*
GetAdditionalStyleContext(int32_t aIndex) const override;
virtual void
Init(nsIContent* aContent,
nsContainerFrame* aParent,
nsIFrame* aPrevInFlow) override;
NS_IMETHOD
TransmitAutomaticData() override;
virtual void
Reflow(nsPresContext* aPresContext,
ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) override;
void
GetRadicalXOffsets(nscoord aIndexWidth, nscoord aSqrWidth,
nsFontMetrics* aFontMetrics,
nscoord* aIndexOffset,
nscoord* aSqrOffset);
virtual void
GetIntrinsicISizeMetrics(nsRenderingContext* aRenderingContext,
ReflowOutput& aDesiredSize) override;
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsDisplayListSet& aLists) override;
uint8_t
ScriptIncrement(nsIFrame* aFrame) override
{
return (aFrame && aFrame == mFrames.LastChild()) ? 2 : 0;
}
protected:
explicit nsMathMLmrootFrame(nsStyleContext* aContext);
virtual ~nsMathMLmrootFrame();
nsMathMLChar mSqrChar;
nsRect mBarRect;
};
#endif /* nsMathMLmrootFrame_h___ */
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