Mozilla/mozilla/layout/mathml/base/src/nsMathMLTokenFrame.h

93 lines
2.8 KiB
C++

/*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla MathML Project.
*
* The Initial Developer of the Original Code is The University Of
* Queensland. Portions created by The University Of Queensland are
* Copyright (C) 1999 The University Of Queensland. All Rights Reserved.
*
* Contributor(s):
* Roger B. Sidje <rbs@maths.uq.edu.au>
*/
#ifndef nsMathMLTokenFrame_h___
#define nsMathMLTokenFrame_h___
#include "nsCOMPtr.h"
#include "nsMathMLContainerFrame.h"
//
// Base class to handle token elements
//
class nsMathMLTokenFrame : public nsMathMLContainerFrame {
public:
friend nsresult NS_NewMathMLTokenFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame);
NS_IMETHOD
GetFrameType(nsIAtom** aType) const;
NS_IMETHOD
Init(nsIPresContext* aPresContext,
nsIContent* aContent,
nsIFrame* aParent,
nsIStyleContext* aContext,
nsIFrame* aPrevInFlow);
NS_IMETHOD
SetInitialChildList(nsIPresContext* aPresContext,
nsIAtom* aListName,
nsIFrame* aChildList);
NS_IMETHOD
Reflow(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus);
NS_IMETHOD
Place(nsIPresContext* aPresContext,
nsIRenderingContext& aRenderingContext,
PRBool aPlaceOrigin,
nsHTMLReflowMetrics& aDesiredSize);
NS_IMETHOD
ReflowDirtyChild(nsIPresShell* aPresShell,
nsIFrame* aChild);
NS_IMETHOD
AttributeChanged(nsIPresContext* aPresContext,
nsIContent* aChild,
PRInt32 aNameSpaceID,
nsIAtom* aAttribute,
PRInt32 aModType,
PRInt32 aHint);
protected:
nsMathMLTokenFrame();
virtual ~nsMathMLTokenFrame();
virtual PRIntn GetSkipSides() const { return 0; }
// hook to perform MathML-specific actions depending on the tag
virtual void
ProcessTextData(nsIPresContext* aPresContext);
// helper to set the style of <mi> which has to be italic or normal
// depending on its textual content
void SetTextStyle(nsIPresContext* aPresContext);
// helper to set the quotes of <ms>
void SetQuotes(nsIPresContext* aPresContext);
};
#endif /* nsMathMLTokentFrame_h___ */