author Honza Bambas <>
Tue, 29 Sep 2009 17:32:54 +0200
changeset 33269 656089bd4c44c42a4824079d3c9d47fde87e4466
parent 32423 7df4c375164fd13c2290e178f0e11dc5559b81b0
child 63990 109cfae74006375f4e6c36670ae7a62024456dff
permissions -rw-r--r--
Backout bug 426788

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 * The Original Code is Mozilla MathML Project.
 * The Initial Developer of the Original Code is
 * The University Of Queensland.
 * Portions created by the Initial Developer are Copyright (C) 1999
 * the Initial Developer. All Rights Reserved.
 * Contributor(s):
 *   Roger B. Sidje <>
 *   David J. Fiddes <>
 *   Karl Tomlinson <>, Mozilla Corporation
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 * ***** END LICENSE BLOCK ***** */

#ifndef nsMathMLmpaddedFrame_h___
#define nsMathMLmpaddedFrame_h___

#include "nsCOMPtr.h"
#include "nsMathMLContainerFrame.h"

// <mpadded> -- adjust space around content  

class nsMathMLmpaddedFrame : public nsMathMLContainerFrame {

  friend nsIFrame* NS_NewMathMLmpaddedFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);

  InheritAutomaticData(nsIFrame* aParent);

  Reflow(nsPresContext*          aPresContext,
         nsHTMLReflowMetrics&     aDesiredSize,
         const nsHTMLReflowState& aReflowState,
         nsReflowStatus&          aStatus);
  virtual nsresult
  Place(nsIRenderingContext& aRenderingContext,
        PRBool               aPlaceOrigin,
        nsHTMLReflowMetrics& aDesiredSize);

  nsMathMLmpaddedFrame(nsStyleContext* aContext) : nsMathMLContainerFrame(aContext) {}
  virtual ~nsMathMLmpaddedFrame();
  virtual PRIntn GetSkipSides() const { return 0; }

  nsCSSValue mWidth;
  nsCSSValue mHeight;
  nsCSSValue mDepth;
  nsCSSValue mLeftSpace;

  PRInt32    mWidthSign;
  PRInt32    mHeightSign;
  PRInt32    mDepthSign;
  PRInt32    mLeftSpaceSign;

  PRInt32    mWidthPseudoUnit;
  PRInt32    mHeightPseudoUnit;
  PRInt32    mDepthPseudoUnit;
  PRInt32    mLeftSpacePseudoUnit;

  // helpers to process the attributes

  static PRBool
  ParseAttribute(nsString&   aString,
                 PRInt32&    aSign,
                 nsCSSValue& aCSSValue,
                 PRInt32&    aPseudoUnit);

  UpdateValue(PRInt32                  aSign,
              PRInt32                  aPseudoUnit,
              const nsCSSValue&        aCSSValue,
              nscoord                  aLeftSpace,
              const nsBoundingMetrics& aBoundingMetrics,
              nscoord&                 aValueToUpdate) const;

#endif /* nsMathMLmpaddedFrame_h___ */