forked from mirrors/gecko-dev
e6f0b0f7cb
See https://groups.google.com/g/mozilla.dev.platform/c/hMf_Z1JSApQ Differential Revision: https://phabricator.services.mozilla.com/D46725
67 lines
2.1 KiB
C++
67 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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