096c9e730e
Backed out changeset d497ae104185 (bug 1908069) Backed out changeset c87b8ca300dc (bug 1908069) Backed out changeset 3e76c02843a7 (bug 1908069) Backed out changeset f4c5983c700b (bug 1908069) Backed out changeset 5468da212605 (bug 1908069) Backed out changeset ab5ab71ddfc4 (bug 1908069) Backed out changeset 21269d373fff (bug 1908069)
68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsMathMLmrootFrame_h___
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#define nsMathMLmrootFrame_h___
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#include "mozilla/Attributes.h"
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#include "nsMathMLContainerFrame.h"
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#include "nsMathMLChar.h"
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namespace mozilla {
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class PresShell;
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} // namespace mozilla
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//
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// <msqrt> and <mroot> -- form a radical
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//
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class nsMathMLmrootFrame final : public nsMathMLContainerFrame {
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public:
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NS_DECL_FRAMEARENA_HELPERS(nsMathMLmrootFrame)
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friend nsIFrame* NS_NewMathMLmrootFrame(mozilla::PresShell* aPresShell,
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ComputedStyle* aStyle);
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void DidSetComputedStyle(ComputedStyle* aOldStyle) override;
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virtual void Init(nsIContent* aContent, nsContainerFrame* aParent,
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nsIFrame* aPrevInFlow) override;
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NS_IMETHOD
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TransmitAutomaticData() override;
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virtual void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
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const ReflowInput& aReflowInput,
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nsReflowStatus& aStatus) override;
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void GetRadicalXOffsets(nscoord aIndexWidth, nscoord aSqrWidth,
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nsFontMetrics* aFontMetrics, nscoord* aIndexOffset,
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nscoord* aSqrOffset);
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virtual void GetIntrinsicISizeMetrics(gfxContext* aRenderingContext,
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ReflowOutput& aDesiredSize) override;
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virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsDisplayListSet& aLists) override;
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uint8_t ScriptIncrement(nsIFrame* aFrame) override {
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return (aFrame && aFrame == mFrames.LastChild()) ? 2 : 0;
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}
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protected:
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explicit nsMathMLmrootFrame(ComputedStyle* aStyle,
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nsPresContext* aPresContext);
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virtual ~nsMathMLmrootFrame();
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nsMathMLChar mSqrChar;
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nsRect mBarRect;
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private:
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bool ShouldUseRowFallback();
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};
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#endif /* nsMathMLmrootFrame_h___ */
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