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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 nsMathMLmunderoverFrame_h___
#define nsMathMLmunderoverFrame_h___
#include "mozilla/Attributes.h"
#include "nsMathMLContainerFrame.h"
//
// <munderover> -- attach an underscript-overscript pair to a base
//
class nsMathMLmunderoverFrame : public nsMathMLContainerFrame {
public:
NS_DECL_FRAMEARENA_HELPERS
friend nsIFrame* NS_NewMathMLmunderoverFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
virtual nsresult
Place(DrawTarget* aDrawTarget,
bool aPlaceOrigin,
ReflowOutput& aDesiredSize) override;
NS_IMETHOD
InheritAutomaticData(nsIFrame* aParent) override;
NS_IMETHOD
TransmitAutomaticData() override;
NS_IMETHOD
UpdatePresentationData(uint32_t aFlagsValues,
uint32_t aFlagsToUpdate) override;
virtual nsresult
AttributeChanged(int32_t aNameSpaceID,
nsIAtom* aAttribute,
int32_t aModType) override;
uint8_t
ScriptIncrement(nsIFrame* aFrame) override;
protected:
explicit nsMathMLmunderoverFrame(nsStyleContext* aContext) : nsMathMLContainerFrame(aContext),
mIncrementUnder(false),
mIncrementOver(false) {}
virtual ~nsMathMLmunderoverFrame();
private:
bool mIncrementUnder;
bool mIncrementOver;
};
#endif /* nsMathMLmunderoverFrame_h___ */
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