The Tor Browser: layout/mathml/nsMathMLmspaceFrame.h@925c144e1f1f

     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 nsMathMLmspaceFrame_h___

     7 #define nsMathMLmspaceFrame_h___

     9 #include "mozilla/Attributes.h"

    10 #include "nsMathMLContainerFrame.h"

    12 //

    13 // <mspace> -- space

    14 //

    16 class nsMathMLmspaceFrame : public nsMathMLContainerFrame {

    17 public:

    18   NS_DECL_FRAMEARENA_HELPERS

    20   friend nsIFrame* NS_NewMathMLmspaceFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);

    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     mPresentationData.flags |= NS_MATHML_SPACE_LIKE;

    27     return NS_OK;

    28   }

    30   virtual bool IsLeaf() const MOZ_OVERRIDE;

    32   virtual nsresult

    33   Reflow(nsPresContext*          aPresContext,

    34          nsHTMLReflowMetrics&     aDesiredSize,

    35          const nsHTMLReflowState& aReflowState,

    36          nsReflowStatus&          aStatus) MOZ_OVERRIDE;

    38 protected:

    39   nsMathMLmspaceFrame(nsStyleContext* aContext) : nsMathMLContainerFrame(aContext) {}

    40   virtual ~nsMathMLmspaceFrame();

    42   virtual nsresult

    43   MeasureForWidth(nsRenderingContext& aRenderingContext,

    44                   nsHTMLReflowMetrics& aDesiredSize) MOZ_OVERRIDE;

    46 private:

    47   nscoord mWidth;

    48   nscoord mHeight;

    49   nscoord mDepth;

    51   // helper method to initialize our member data

    52   void

    53   ProcessAttributes(nsPresContext* aPresContext);

    54 };

    56 #endif /* nsMathMLmspaceFrame_h___ */

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