69 lines
2.2 KiB
C++
69 lines
2.2 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 nsMathMLTokenFrame_h___
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#define nsMathMLTokenFrame_h___
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#include "mozilla/Attributes.h"
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#include "nsMathMLContainerFrame.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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// Base class to handle token elements
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//
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class nsMathMLTokenFrame : public nsMathMLContainerFrame {
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public:
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NS_DECL_FRAMEARENA_HELPERS(nsMathMLTokenFrame)
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friend nsIFrame* NS_NewMathMLTokenFrame(mozilla::PresShell* aPresShell,
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ComputedStyle* aStyle);
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NS_IMETHOD
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TransmitAutomaticData() override {
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// The REC defines the following elements to be space-like:
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// * an mtext, mspace, maligngroup, or malignmark element;
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if (mContent->IsMathMLElement(nsGkAtoms::mtext)) {
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mPresentationData.flags |= NS_MATHML_SPACE_LIKE;
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}
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return NS_OK;
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}
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NS_IMETHOD
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InheritAutomaticData(nsIFrame* aParent) override;
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eMathMLFrameType GetMathMLFrameType() override;
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void SetInitialChildList(ChildListID aListID,
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nsFrameList&& aChildList) override;
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void AppendFrames(ChildListID aListID, nsFrameList&& aChildList) override;
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void InsertFrames(ChildListID aListID, nsIFrame* aPrevFrame,
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const nsLineList::iterator* aPrevFrameLine,
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nsFrameList&& aChildList) override;
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void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
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const ReflowInput& aReflowInput,
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nsReflowStatus& aStatus) override;
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nsresult Place(DrawTarget* aDrawTarget, const PlaceFlags& aFlags,
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ReflowOutput& aDesiredSize) override;
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protected:
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explicit nsMathMLTokenFrame(ComputedStyle* aStyle,
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nsPresContext* aPresContext,
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ClassID aID = kClassID)
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: nsMathMLContainerFrame(aStyle, aPresContext, aID) {}
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virtual ~nsMathMLTokenFrame();
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void MarkTextFramesAsTokenMathML();
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};
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#endif /* nsMathMLTokentFrame_h___ */
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