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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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This commit is contained in:
Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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68
layout/mathml/nsMathMLTokenFrame.h Normal file
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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 nsMathMLTokenFrame_h___
#define nsMathMLTokenFrame_h___
#include "mozilla/Attributes.h"
#include "nsMathMLContainerFrame.h"
//
// Base class to handle token elements
//
class nsMathMLTokenFrame : public nsMathMLContainerFrame {
public:
NS_DECL_FRAMEARENA_HELPERS
friend nsIFrame* NS_NewMathMLTokenFrame(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;
if (mContent->IsMathMLElement(nsGkAtoms::mtext_)) {
mPresentationData.flags |= NS_MATHML_SPACE_LIKE;
}
return NS_OK;
}
NS_IMETHOD
InheritAutomaticData(nsIFrame* aParent) override;
virtual eMathMLFrameType GetMathMLFrameType() override;
virtual void
SetInitialChildList(ChildListID aListID,
nsFrameList& aChildList) override;
virtual void
AppendFrames(ChildListID aListID,
nsFrameList& aChildList) override;
virtual void
InsertFrames(ChildListID aListID,
nsIFrame* aPrevFrame,
nsFrameList& aChildList) override;
virtual void
Reflow(nsPresContext* aPresContext,
ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) override;
virtual nsresult
Place(DrawTarget* aDrawTarget,
bool aPlaceOrigin,
ReflowOutput& aDesiredSize) override;
protected:
explicit nsMathMLTokenFrame(nsStyleContext* aContext) : nsMathMLContainerFrame(aContext) {}
virtual ~nsMathMLTokenFrame();
void MarkTextFramesAsTokenMathML();
};
#endif /* nsMathMLTokentFrame_h___ */