/*
 * 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 http://www.mozilla.org/MPL/
 * 
 * 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 University Of Queensland are
 * Copyright (C) 1999 The University Of Queensland.  All Rights Reserved.
 * 
 * Contributor(s): 
 *   Roger B. Sidje <rbs@maths.uq.edu.au>
 *   David J. Fiddes <D.J.Fiddes@hw.ac.uk>
 */


#include "nsCOMPtr.h"
#include "nsHTMLParts.h"
#include "nsIHTMLContent.h"
#include "nsFrame.h"
#include "nsLineLayout.h"
#include "nsHTMLIIDs.h"
#include "nsIPresContext.h"
#include "nsHTMLAtoms.h"
#include "nsAreaFrame.h"
#include "nsUnitConversion.h"
#include "nsIStyleContext.h"
#include "nsStyleConsts.h"
#include "nsINameSpaceManager.h"
#include "nsIRenderingContext.h"
#include "nsIFontMetrics.h"
#include "nsStyleUtil.h"

#include "nsMathMLAtoms.h"
#include "nsMathMLParts.h"
#include "nsMathMLmtdFrame.h"

//
// <mtd> -- table or matrix - implementation
//

nsresult
NS_NewMathMLmtdFrame(nsIFrame** aNewFrame)
{
  NS_PRECONDITION(aNewFrame, "null OUT ptr");
  if (nsnull == aNewFrame) {
    return NS_ERROR_NULL_POINTER;
  }
  nsMathMLmtdFrame* it = new nsMathMLmtdFrame;
  if (nsnull == it) {
    return NS_ERROR_OUT_OF_MEMORY;
  }
// XXX RBS -  what about mFlags ?
// it->SetFlags(NS_AREA_WRAP_SIZE); ?
  *aNewFrame = it;
  return NS_OK;
}

nsMathMLmtdFrame::nsMathMLmtdFrame()
{
}

nsMathMLmtdFrame::~nsMathMLmtdFrame()
{
}

NS_IMETHODIMP
nsMathMLmtdFrame::Reflow(nsIPresContext&          aPresContext,
                         nsHTMLReflowMetrics&     aDesiredSize,
                         const nsHTMLReflowState& aReflowState,
                         nsReflowStatus&          aStatus)

{
  nsresult  rv = NS_OK;
   
  // Let the base class do the reflow
  rv = nsAreaFrame::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus);

  // more about <maligngroup/> and <malignmark/> later
  // ...
  
  return rv;
}