/* -*- 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 nsMathMLmoFrame_h___ #define nsMathMLmoFrame_h___ #include "nsCOMPtr.h" #include "nsMathMLTokenFrame.h" // // -- operator, fence, or separator // class nsMathMLmoFrame : public nsMathMLTokenFrame { public: NS_DECL_FRAMEARENA_HELPERS friend nsIFrame* NS_NewMathMLmoFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); virtual eMathMLFrameType GetMathMLFrameType(); virtual void SetAdditionalStyleContext(PRInt32 aIndex, nsStyleContext* aStyleContext); virtual nsStyleContext* GetAdditionalStyleContext(PRInt32 aIndex) const; NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder, const nsRect& aDirtyRect, const nsDisplayListSet& aLists); NS_IMETHOD InheritAutomaticData(nsIFrame* aParent); NS_IMETHOD TransmitAutomaticData(); NS_IMETHOD Reflow(nsPresContext* aPresContext, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus); virtual void MarkIntrinsicWidthsDirty(); virtual nscoord GetIntrinsicWidth(nsRenderingContext *aRenderingContext); NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID, nsIAtom* aAttribute, PRInt32 aModType); // This method is called by the parent frame to ask // to stretch itself. NS_IMETHOD Stretch(nsRenderingContext& aRenderingContext, nsStretchDirection aStretchDirection, nsBoundingMetrics& aContainerSize, nsHTMLReflowMetrics& aDesiredStretchSize); protected: nsMathMLmoFrame(nsStyleContext* aContext) : nsMathMLTokenFrame(aContext) {} virtual ~nsMathMLmoFrame(); virtual int GetSkipSides() const { return 0; } nsMathMLChar mMathMLChar; // Here is the MathMLChar that will deal with the operator. nsOperatorFlags mFlags; float mMinSize; float mMaxSize; bool UseMathMLChar(); // overload the base method so that we can setup our nsMathMLChar virtual void ProcessTextData(); // helper to get our 'form' and lookup in the Operator Dictionary to fetch // our default data that may come from there, and to complete the setup // using attributes that we may have void ProcessOperatorData(); // helper to double check thar our char should be rendered as a selected char bool IsFrameInSelection(nsIFrame* aFrame); }; #endif /* nsMathMLmoFrame_h___ */