layout/mathml/nsMathMLmunderoverFrame.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is Mozilla MathML Project.
  16  *
  17  * The Initial Developer of the Original Code is
  18  * The University Of Queensland.
  19  * Portions created by the Initial Developer are Copyright (C) 1999
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *   Roger B. Sidje <rbs@maths.uq.edu.au>
  24  *   David J. Fiddes <D.J.Fiddes@hw.ac.uk>
  25  *   Shyjan Mahamud <mahamud@cs.cmu.edu>
  26  *
  27  * Alternatively, the contents of this file may be used under the terms of
  28  * either of the GNU General Public License Version 2 or later (the "GPL"),
  29  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  30  * in which case the provisions of the GPL or the LGPL are applicable instead
  31  * of those above. If you wish to allow use of your version of this file only
  32  * under the terms of either the GPL or the LGPL, and not to allow others to
  33  * use your version of this file under the terms of the MPL, indicate your
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  35  * and other provisions required by the GPL or the LGPL. If you do not delete
  36  * the provisions above, a recipient may use your version of this file under
  37  * the terms of any one of the MPL, the GPL or the LGPL.
  38  *
  39  * ***** END LICENSE BLOCK ***** */
  40
  41 #ifndef nsMathMLmunderoverFrame_h___
  42 #define nsMathMLmunderoverFrame_h___
  43
  44 #include "nsCOMPtr.h"
  45 #include "nsMathMLContainerFrame.h"
  46
  47 //
  48 // <munderover> -- attach an underscript-overscript pair to a base
  49 //
  50
  51 class nsMathMLmunderoverFrame : public nsMathMLContainerFrame {
  52 public:
  53   NS_DECL_FRAMEARENA_HELPERS
  54
  55   friend nsIFrame* NS_NewMathMLmunderoverFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
  56
  57   virtual nsresult
  58   Place(nsIRenderingContext& aRenderingContext,
  59         PRBool               aPlaceOrigin,
  60         nsHTMLReflowMetrics& aDesiredSize);
  61
  62   NS_IMETHOD
  63   InheritAutomaticData(nsIFrame* aParent);
  64
  65   NS_IMETHOD
  66   TransmitAutomaticData();
  67
  68   NS_IMETHOD
  69   UpdatePresentationData(PRUint32        aFlagsValues,
  70                          PRUint32        aFlagsToUpdate);
  71
  72   NS_IMETHOD
  73   UpdatePresentationDataFromChildAt(PRInt32         aFirstIndex,
  74                                     PRInt32         aLastIndex,
  75                                     PRUint32        aFlagsValues,
  76                                     PRUint32        aFlagsToUpdate);
  77
  78   NS_IMETHOD
  79   AttributeChanged(PRInt32         aNameSpaceID,
  80                    nsIAtom*        aAttribute,
  81                    PRInt32         aModType);
  82
  83 protected:
  84   nsMathMLmunderoverFrame(nsStyleContext* aContext) : nsMathMLContainerFrame(aContext) {}
  85   virtual ~nsMathMLmunderoverFrame();
  86
  87   virtual PRIntn GetSkipSides() const { return 0; }
  88 };
  89
  90
  91 #endif /* nsMathMLmunderoverFrame_h___ */