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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 nsMathMLmmultiscriptsFrame_h___
#define nsMathMLmmultiscriptsFrame_h___
#include "mozilla/Attributes.h"
#include "nsMathMLContainerFrame.h"
namespace mozilla {
class PresShell;
} // namespace mozilla
//
// <mmultiscripts> -- attach prescripts and tensor indices to a base
// <msub> -- attach a subscript to a base
// <msubsup> -- attach a subscript-superscript pair to a base
// <msup> -- attach a superscript to a base
//
class nsMathMLmmultiscriptsFrame final : public nsMathMLContainerFrame {
public:
NS_DECL_FRAMEARENA_HELPERS(nsMathMLmmultiscriptsFrame)
friend nsIFrame* NS_NewMathMLmmultiscriptsFrame(
mozilla::PresShell* aPresShell, ComputedStyle* aStyle);
NS_IMETHOD
TransmitAutomaticData() override;
virtual nsresult Place(DrawTarget* aDrawTarget, bool aPlaceOrigin,
ReflowOutput& aDesiredSize) override;
static nsresult PlaceMultiScript(nsPresContext* aPresContext,
DrawTarget* aDrawTarget, bool aPlaceOrigin,
ReflowOutput& aDesiredSize,
nsMathMLContainerFrame* aForFrame,
nscoord aUserSubScriptShift,
nscoord aUserSupScriptShift,
float aFontSizeInflation);
uint8_t ScriptIncrement(nsIFrame* aFrame) override;
protected:
explicit nsMathMLmmultiscriptsFrame(ComputedStyle* aStyle,
nsPresContext* aPresContext)
: nsMathMLContainerFrame(aStyle, aPresContext, kClassID) {}
virtual ~nsMathMLmmultiscriptsFrame();
};
#endif /* nsMathMLmmultiscriptsFrame_h___ */
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