layout/mathml/nsMathMLmunderoverFrame.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 nsMathMLmunderoverFrame_h___
   7 #define nsMathMLmunderoverFrame_h___
   8
   9 #include "mozilla/Attributes.h"
  10 #include "nsMathMLContainerFrame.h"
  11
  12 //
  13 // <munderover> -- attach an underscript-overscript pair to a base
  14 //
  15
  16 class nsMathMLmunderoverFrame : public nsMathMLContainerFrame {
  17 public:
  18   NS_DECL_FRAMEARENA_HELPERS
  19
  20   friend nsIFrame* NS_NewMathMLmunderoverFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
  21
  22   virtual nsresult
  23   Place(nsRenderingContext& aRenderingContext,
  24         bool                 aPlaceOrigin,
  25         nsHTMLReflowMetrics& aDesiredSize) MOZ_OVERRIDE;
  26
  27   NS_IMETHOD
  28   InheritAutomaticData(nsIFrame* aParent) MOZ_OVERRIDE;
  29
  30   NS_IMETHOD
  31   TransmitAutomaticData() MOZ_OVERRIDE;
  32
  33   NS_IMETHOD
  34   UpdatePresentationData(uint32_t        aFlagsValues,
  35                          uint32_t        aFlagsToUpdate) MOZ_OVERRIDE;
  36
  37   virtual nsresult
  38   AttributeChanged(int32_t         aNameSpaceID,
  39                    nsIAtom*        aAttribute,
  40                    int32_t         aModType) MOZ_OVERRIDE;
  41
  42   uint8_t
  43   ScriptIncrement(nsIFrame* aFrame) MOZ_OVERRIDE;
  44
  45 protected:
  46   explicit nsMathMLmunderoverFrame(nsStyleContext* aContext) : nsMathMLContainerFrame(aContext),
  47                                                                mIncrementUnder(false),
  48                                                                mIncrementOver(false) {}
  49   virtual ~nsMathMLmunderoverFrame();
  50
  51 private:
  52   bool mIncrementUnder;
  53   bool mIncrementOver;
  54 };
  55
  56
  57 #endif /* nsMathMLmunderoverFrame_h___ */