зеркало из https://github.com/mozilla/gecko-dev.git
53 строки
1.5 KiB
C++
53 строки
1.5 KiB
C++
/* -*- 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 nsMathMLmrowFrame_h___
|
|
#define nsMathMLmrowFrame_h___
|
|
|
|
#include "mozilla/Attributes.h"
|
|
#include "nsMathMLContainerFrame.h"
|
|
|
|
//
|
|
// <mrow> -- horizontally group any number of subexpressions
|
|
//
|
|
|
|
class nsMathMLmrowFrame : public nsMathMLContainerFrame {
|
|
public:
|
|
NS_DECL_FRAMEARENA_HELPERS
|
|
|
|
friend nsIFrame* NS_NewMathMLmrowFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
|
|
|
|
virtual nsresult
|
|
AttributeChanged(int32_t aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
int32_t aModType) MOZ_OVERRIDE;
|
|
|
|
NS_IMETHOD
|
|
InheritAutomaticData(nsIFrame* aParent) MOZ_OVERRIDE;
|
|
|
|
NS_IMETHOD
|
|
TransmitAutomaticData() MOZ_OVERRIDE {
|
|
return TransmitAutomaticDataForMrowLikeElement();
|
|
}
|
|
|
|
virtual eMathMLFrameType
|
|
GetMathMLFrameType() MOZ_OVERRIDE;
|
|
|
|
bool
|
|
IsMrowLike() MOZ_OVERRIDE {
|
|
// <mrow> elements with a single child are treated identically to the case
|
|
// where the child wasn't within an mrow, so we pretend the mrow isn't an
|
|
// mrow in that situation.
|
|
return mFrames.FirstChild() != mFrames.LastChild() ||
|
|
!mFrames.FirstChild();
|
|
}
|
|
|
|
protected:
|
|
nsMathMLmrowFrame(nsStyleContext* aContext) : nsMathMLContainerFrame(aContext) {}
|
|
virtual ~nsMathMLmrowFrame();
|
|
};
|
|
|
|
#endif /* nsMathMLmrowFrame_h___ */
|