mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-05 08:35:26 +00:00
86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
/* -*- 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 "nsCOMPtr.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() {
|
|
// The REC defines the following elements to be space-like:
|
|
// * an mtext, mspace, maligngroup, or malignmark element;
|
|
if (mContent->Tag() == nsGkAtoms::mtext_) {
|
|
mPresentationData.flags |= NS_MATHML_SPACE_LIKE;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHOD
|
|
InheritAutomaticData(nsIFrame* aParent);
|
|
|
|
virtual eMathMLFrameType GetMathMLFrameType();
|
|
|
|
NS_IMETHOD
|
|
SetInitialChildList(ChildListID aListID,
|
|
nsFrameList& aChildList) MOZ_OVERRIDE;
|
|
|
|
NS_IMETHOD
|
|
AppendFrames(ChildListID aListID,
|
|
nsFrameList& aChildList) MOZ_OVERRIDE;
|
|
|
|
NS_IMETHOD
|
|
InsertFrames(ChildListID aListID,
|
|
nsIFrame* aPrevFrame,
|
|
nsFrameList& aChildList) MOZ_OVERRIDE;
|
|
|
|
NS_IMETHOD
|
|
Reflow(nsPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus) MOZ_OVERRIDE;
|
|
|
|
virtual nsresult
|
|
Place(nsRenderingContext& aRenderingContext,
|
|
bool aPlaceOrigin,
|
|
nsHTMLReflowMetrics& aDesiredSize) MOZ_OVERRIDE;
|
|
|
|
virtual void MarkIntrinsicWidthsDirty();
|
|
|
|
virtual nsresult
|
|
ChildListChanged(int32_t aModType) MOZ_OVERRIDE
|
|
{
|
|
ProcessTextData();
|
|
return nsMathMLContainerFrame::ChildListChanged(aModType);
|
|
}
|
|
|
|
protected:
|
|
nsMathMLTokenFrame(nsStyleContext* aContext) : nsMathMLContainerFrame(aContext) {}
|
|
virtual ~nsMathMLTokenFrame();
|
|
|
|
// hook to perform MathML-specific actions depending on the tag
|
|
virtual void ProcessTextData();
|
|
|
|
// helper to set the style of <mi> which has to be italic or normal
|
|
// depending on its textual content
|
|
bool SetTextStyle();
|
|
|
|
void ForceTrimChildTextFrames();
|
|
};
|
|
|
|
#endif /* nsMathMLTokentFrame_h___ */
|