michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsMathMLmrootFrame_h___
michael@0: #define nsMathMLmrootFrame_h___
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "nsMathMLContainerFrame.h"
michael@0: #include "nsMathMLChar.h"
michael@0: 
michael@0: //
michael@0: // <msqrt> and <mroot> -- form a radical
michael@0: //
michael@0: 
michael@0: class nsMathMLmrootFrame : public nsMathMLContainerFrame {
michael@0: public:
michael@0:   NS_DECL_FRAMEARENA_HELPERS
michael@0: 
michael@0:   friend nsIFrame* NS_NewMathMLmrootFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
michael@0: 
michael@0:   virtual void
michael@0:   SetAdditionalStyleContext(int32_t          aIndex, 
michael@0:                             nsStyleContext*  aStyleContext) MOZ_OVERRIDE;
michael@0:   virtual nsStyleContext*
michael@0:   GetAdditionalStyleContext(int32_t aIndex) const MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void
michael@0:   Init(nsIContent*      aContent,
michael@0:        nsIFrame*        aParent,
michael@0:        nsIFrame*        aPrevInFlow) MOZ_OVERRIDE;
michael@0: 
michael@0:   NS_IMETHOD
michael@0:   TransmitAutomaticData() MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual nsresult
michael@0:   Reflow(nsPresContext*          aPresContext,
michael@0:          nsHTMLReflowMetrics&     aDesiredSize,
michael@0:          const nsHTMLReflowState& aReflowState,
michael@0:          nsReflowStatus&          aStatus) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void
michael@0:   GetIntrinsicWidthMetrics(nsRenderingContext* aRenderingContext,
michael@0:                            nsHTMLReflowMetrics& aDesiredSize) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
michael@0:                                 const nsRect&           aDirtyRect,
michael@0:                                 const nsDisplayListSet& aLists) MOZ_OVERRIDE;
michael@0: 
michael@0:   uint8_t
michael@0:   ScriptIncrement(nsIFrame* aFrame) MOZ_OVERRIDE
michael@0:   {
michael@0:     return (aFrame && aFrame == mFrames.LastChild()) ? 2 : 0;
michael@0:   }
michael@0: 
michael@0: protected:
michael@0:   nsMathMLmrootFrame(nsStyleContext* aContext);
michael@0:   virtual ~nsMathMLmrootFrame();
michael@0:   
michael@0:   nsMathMLChar mSqrChar;
michael@0:   nsRect       mBarRect;
michael@0: };
michael@0: 
michael@0: #endif /* nsMathMLmrootFrame_h___ */