The Tor Browser: layout/mathml/nsMathMLTokenFrame.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 nsMathMLTokenFrame_h___

     7 #define nsMathMLTokenFrame_h___

     9 #include "mozilla/Attributes.h"

    10 #include "nsMathMLContainerFrame.h"

    12 //

    13 // Base class to handle token elements

    14 //

    16 class nsMathMLTokenFrame : public nsMathMLContainerFrame {

    17 public:

    18   NS_DECL_FRAMEARENA_HELPERS

    20   friend nsIFrame* NS_NewMathMLTokenFrame(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     if (mContent->Tag() == nsGkAtoms::mtext_) {

    27       mPresentationData.flags |= NS_MATHML_SPACE_LIKE;

    28     }

    29     return NS_OK;

    30   }

    32   NS_IMETHOD

    33   InheritAutomaticData(nsIFrame* aParent) MOZ_OVERRIDE;

    35   virtual eMathMLFrameType GetMathMLFrameType() MOZ_OVERRIDE;

    37   virtual nsresult

    38   SetInitialChildList(ChildListID     aListID,

    39                       nsFrameList&    aChildList) MOZ_OVERRIDE;

    41   virtual nsresult

    42   AppendFrames(ChildListID            aListID,

    43                nsFrameList&           aChildList) MOZ_OVERRIDE;

    45   virtual nsresult

    46   InsertFrames(ChildListID            aListID,

    47                nsIFrame*              aPrevFrame,

    48                nsFrameList&           aChildList) MOZ_OVERRIDE;

    50   virtual nsresult

    51   Reflow(nsPresContext*          aPresContext,

    52          nsHTMLReflowMetrics&     aDesiredSize,

    53          const nsHTMLReflowState& aReflowState,

    54          nsReflowStatus&          aStatus) MOZ_OVERRIDE;

    56   virtual nsresult

    57   Place(nsRenderingContext& aRenderingContext,

    58         bool                 aPlaceOrigin,

    59         nsHTMLReflowMetrics& aDesiredSize) MOZ_OVERRIDE;

    61 protected:

    62   nsMathMLTokenFrame(nsStyleContext* aContext) : nsMathMLContainerFrame(aContext) {}

    63   virtual ~nsMathMLTokenFrame();

    65   void MarkTextFramesAsTokenMathML();

    66 };

    68 #endif /* nsMathMLTokentFrame_h___ */

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