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 nsMathMLmspaceFrame_h___
michael@0: #define nsMathMLmspaceFrame_h___
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "nsMathMLContainerFrame.h"
michael@0: 
michael@0: //
michael@0: // <mspace> -- space
michael@0: //
michael@0: 
michael@0: class nsMathMLmspaceFrame : public nsMathMLContainerFrame {
michael@0: public:
michael@0:   NS_DECL_FRAMEARENA_HELPERS
michael@0: 
michael@0:   friend nsIFrame* NS_NewMathMLmspaceFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
michael@0: 
michael@0:   NS_IMETHOD
michael@0:   TransmitAutomaticData() MOZ_OVERRIDE {
michael@0:     // The REC defines the following elements to be space-like:
michael@0:     // * an mtext, mspace, maligngroup, or malignmark element;
michael@0:     mPresentationData.flags |= NS_MATHML_SPACE_LIKE;
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0:   virtual bool IsLeaf() const 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: protected:
michael@0:   nsMathMLmspaceFrame(nsStyleContext* aContext) : nsMathMLContainerFrame(aContext) {}
michael@0:   virtual ~nsMathMLmspaceFrame();
michael@0: 
michael@0:   virtual nsresult
michael@0:   MeasureForWidth(nsRenderingContext& aRenderingContext,
michael@0:                   nsHTMLReflowMetrics& aDesiredSize) MOZ_OVERRIDE;
michael@0: 
michael@0: private:
michael@0:   nscoord mWidth;
michael@0:   nscoord mHeight;
michael@0:   nscoord mDepth;
michael@0: 
michael@0:   // helper method to initialize our member data
michael@0:   void 
michael@0:   ProcessAttributes(nsPresContext* aPresContext);
michael@0: };
michael@0: 
michael@0: #endif /* nsMathMLmspaceFrame_h___ */