layout/mathml/nsMathMLTokenFrame.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef nsMathMLTokenFrame_h___
   7 #define nsMathMLTokenFrame_h___
   8
   9 #include "mozilla/Attributes.h"
  10 #include "nsMathMLContainerFrame.h"
  11
  12 //
  13 // Base class to handle token elements
  14 //
  15
  16 class nsMathMLTokenFrame : public nsMathMLContainerFrame {
  17 public:
  18   NS_DECL_FRAMEARENA_HELPERS
  19
  20   friend nsIFrame* NS_NewMathMLTokenFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
  21
  22   NS_IMETHOD
  23   TransmitAutomaticData() MOZ_OVERRIDE {
  24     // The REC defines the following elements to be space-like:
  25     // * an mtext, mspace, maligngroup, or malignmark element;
  26     if (mContent->Tag() == nsGkAtoms::mtext_) {
  27       mPresentationData.flags |= NS_MATHML_SPACE_LIKE;
  28     }
  29     return NS_OK;
  30   }
  31
  32   NS_IMETHOD
  33   InheritAutomaticData(nsIFrame* aParent) MOZ_OVERRIDE;
  34
  35   virtual eMathMLFrameType GetMathMLFrameType() MOZ_OVERRIDE;
  36
  37   virtual void
  38   SetInitialChildList(ChildListID     aListID,
  39                       nsFrameList&    aChildList) MOZ_OVERRIDE;
  40
  41   virtual void
  42   AppendFrames(ChildListID            aListID,
  43                nsFrameList&           aChildList) MOZ_OVERRIDE;
  44
  45   virtual void
  46   InsertFrames(ChildListID            aListID,
  47                nsIFrame*              aPrevFrame,
  48                nsFrameList&           aChildList) MOZ_OVERRIDE;
  49
  50   virtual void
  51   Reflow(nsPresContext*          aPresContext,
  52          nsHTMLReflowMetrics&     aDesiredSize,
  53          const nsHTMLReflowState& aReflowState,
  54          nsReflowStatus&          aStatus) MOZ_OVERRIDE;
  55
  56   virtual nsresult
  57   Place(nsRenderingContext& aRenderingContext,
  58         bool                 aPlaceOrigin,
  59         nsHTMLReflowMetrics& aDesiredSize) MOZ_OVERRIDE;
  60
  61 protected:
  62   explicit nsMathMLTokenFrame(nsStyleContext* aContext) : nsMathMLContainerFrame(aContext) {}
  63   virtual ~nsMathMLTokenFrame();
  64
  65   void MarkTextFramesAsTokenMathML();
  66 };
  67
  68 #endif /* nsMathMLTokentFrame_h___ */