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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 nsMathMLmspaceFrame_h___
#define nsMathMLmspaceFrame_h___
#include "mozilla/Attributes.h"
#include "nsMathMLContainerFrame.h"
//
// <mspace> -- space
//
class nsMathMLmspaceFrame : public nsMathMLContainerFrame {
public:
NS_DECL_FRAMEARENA_HELPERS
friend nsIFrame* NS_NewMathMLmspaceFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
NS_IMETHOD
TransmitAutomaticData() override {
// The REC defines the following elements to be space-like:
// * an mtext, mspace, maligngroup, or malignmark element;
mPresentationData.flags |= NS_MATHML_SPACE_LIKE;
return NS_OK;
}
virtual bool IsLeaf() const override;
virtual void
Reflow(nsPresContext* aPresContext,
ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) override;
protected:
explicit nsMathMLmspaceFrame(nsStyleContext* aContext) : nsMathMLContainerFrame(aContext) {}
virtual ~nsMathMLmspaceFrame();
virtual nsresult
MeasureForWidth(DrawTarget* aDrawTarget,
ReflowOutput& aDesiredSize) override;
private:
nscoord mWidth;
nscoord mHeight;
nscoord mDepth;
// helper method to initialize our member data
void
ProcessAttributes(nsPresContext* aPresContext);
};
#endif /* nsMathMLmspaceFrame_h___ */
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