The Tor Browser: layout/mathml/nsMathMLmrootFrame.h@8bccb770b82d

     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/. */

     6 #ifndef nsMathMLmrootFrame_h___

     7 #define nsMathMLmrootFrame_h___

     9 #include "mozilla/Attributes.h"

    10 #include "nsMathMLContainerFrame.h"

    11 #include "nsMathMLChar.h"

    13 //

    14 // <msqrt> and <mroot> -- form a radical

    15 //

    17 class nsMathMLmrootFrame : public nsMathMLContainerFrame {

    18 public:

    19   NS_DECL_FRAMEARENA_HELPERS

    21   friend nsIFrame* NS_NewMathMLmrootFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);

    23   virtual void

    24   SetAdditionalStyleContext(int32_t          aIndex,

    25                             nsStyleContext*  aStyleContext) MOZ_OVERRIDE;

    26   virtual nsStyleContext*

    27   GetAdditionalStyleContext(int32_t aIndex) const MOZ_OVERRIDE;

    29   virtual void

    30   Init(nsIContent*      aContent,

    31        nsIFrame*        aParent,

    32        nsIFrame*        aPrevInFlow) MOZ_OVERRIDE;

    34   NS_IMETHOD

    35   TransmitAutomaticData() MOZ_OVERRIDE;

    37   virtual nsresult

    38   Reflow(nsPresContext*          aPresContext,

    39          nsHTMLReflowMetrics&     aDesiredSize,

    40          const nsHTMLReflowState& aReflowState,

    41          nsReflowStatus&          aStatus) MOZ_OVERRIDE;

    43   virtual void

    44   GetIntrinsicWidthMetrics(nsRenderingContext* aRenderingContext,

    45                            nsHTMLReflowMetrics& aDesiredSize) MOZ_OVERRIDE;

    47   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,

    48                                 const nsRect&           aDirtyRect,

    49                                 const nsDisplayListSet& aLists) MOZ_OVERRIDE;

    51   uint8_t

    52   ScriptIncrement(nsIFrame* aFrame) MOZ_OVERRIDE

    53   {

    54     return (aFrame && aFrame == mFrames.LastChild()) ? 2 : 0;

    55   }

    57 protected:

    58   nsMathMLmrootFrame(nsStyleContext* aContext);

    59   virtual ~nsMathMLmrootFrame();

    61   nsMathMLChar mSqrChar;

    62   nsRect       mBarRect;

    63 };

    65 #endif /* nsMathMLmrootFrame_h___ */

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