LCOV - code coverage report
Current view: directory - layout/mathml - nsMathMLmrowFrame.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 19 0 0.0 %
Date: 2012-06-02 Functions: 7 0 0.0 %

       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                 :  *   Frederic Wang <fred.wang@free.fr>
      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
      34                 :  * decision by deleting the provisions above and replace them with the notice
      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                 : 
      42                 : #include "nsCOMPtr.h"
      43                 : #include "nsFrame.h"
      44                 : #include "nsStyleContext.h"
      45                 : #include "nsStyleConsts.h"
      46                 : 
      47                 : #include "nsMathMLmrowFrame.h"
      48                 : 
      49                 : //
      50                 : // <mrow> -- horizontally group any number of subexpressions - implementation
      51                 : //
      52                 : 
      53                 : nsIFrame*
      54               0 : NS_NewMathMLmrowFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
      55                 : {
      56               0 :   return new (aPresShell) nsMathMLmrowFrame(aContext);
      57                 : }
      58                 : 
      59               0 : NS_IMPL_FRAMEARENA_HELPERS(nsMathMLmrowFrame)
      60                 : 
      61               0 : nsMathMLmrowFrame::~nsMathMLmrowFrame()
      62                 : {
      63               0 : }
      64                 : 
      65                 : NS_IMETHODIMP
      66               0 : nsMathMLmrowFrame::InheritAutomaticData(nsIFrame* aParent)
      67                 : {
      68                 :   // let the base class get the default from our parent
      69               0 :   nsMathMLContainerFrame::InheritAutomaticData(aParent);
      70                 : 
      71               0 :   mPresentationData.flags |= NS_MATHML_STRETCH_ALL_CHILDREN_VERTICALLY;
      72                 : 
      73               0 :   if (mContent->Tag() == nsGkAtoms::mrow_) {
      74                 :     // see if the directionality attribute is there
      75               0 :     nsMathMLFrame::FindAttrDirectionality(mContent, mPresentationData);
      76                 :   }
      77                 : 
      78               0 :   return NS_OK;
      79                 : }
      80                 : 
      81                 : NS_IMETHODIMP
      82               0 : nsMathMLmrowFrame::AttributeChanged(PRInt32  aNameSpaceID,
      83                 :                                     nsIAtom* aAttribute,
      84                 :                                     PRInt32  aModType)
      85                 : {
      86                 :   // Special for <mtable>: In the frame construction code, we also use
      87                 :   // this frame class as a wrapper for mtable. Hence, we should pass the
      88                 :   // notification to the real mtable
      89               0 :   if (mContent->Tag() == nsGkAtoms::mtable_) {
      90               0 :     nsIFrame* frame = mFrames.FirstChild();
      91               0 :     for ( ; frame; frame = frame->GetFirstPrincipalChild()) {
      92                 :       // drill down to the real mtable
      93               0 :       if (frame->GetType() == nsGkAtoms::tableOuterFrame)
      94               0 :         return frame->AttributeChanged(aNameSpaceID, aAttribute, aModType);
      95                 :     }
      96               0 :     NS_NOTREACHED("mtable wrapper without the real table frame");
      97                 :   }
      98                 : 
      99               0 :   return nsMathMLContainerFrame::AttributeChanged(aNameSpaceID, aAttribute, aModType);
     100                 : }

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