LCOV - code coverage report
Current view: directory - layout/mathml - nsMathMLForeignFrameWrapper.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 19 0 0.0 %
Date: 2012-06-02 Functions: 5 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                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      27                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      29                 :  * of those above. If you wish to allow use of your version of this file only
      30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      31                 :  * use your version of this file under the terms of the MPL, indicate your
      32                 :  * decision by deleting the provisions above and replace them with the notice
      33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      34                 :  * the provisions above, a recipient may use your version of this file under
      35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      36                 :  *
      37                 :  * ***** END LICENSE BLOCK ***** */
      38                 : 
      39                 : //
      40                 : // a helper frame class to wrap non-MathML frames so that foreign elements 
      41                 : // (e.g., html:img) can mix better with other surrounding MathML markups
      42                 : //
      43                 : 
      44                 : #include "nsCOMPtr.h"
      45                 : #include "nsHTMLParts.h"
      46                 : #include "nsFrame.h"
      47                 : #include "nsBlockFrame.h"
      48                 : #include "nsLineLayout.h"
      49                 : #include "nsPresContext.h"
      50                 : #include "nsStyleContext.h"
      51                 : #include "nsStyleConsts.h"
      52                 : 
      53                 : #include "nsMathMLForeignFrameWrapper.h"
      54                 : 
      55               0 : NS_QUERYFRAME_HEAD(nsMathMLForeignFrameWrapper)
      56               0 :   NS_QUERYFRAME_ENTRY(nsMathMLFrame)
      57               0 : NS_QUERYFRAME_TAIL_INHERITING(nsBlockFrame)
      58                 : 
      59                 : nsIFrame*
      60               0 : NS_NewMathMLForeignFrameWrapper(nsIPresShell* aPresShell, nsStyleContext* aContext)
      61                 : {
      62               0 :   return new (aPresShell) nsMathMLForeignFrameWrapper(aContext);
      63                 : }
      64                 : 
      65               0 : NS_IMPL_FRAMEARENA_HELPERS(nsMathMLForeignFrameWrapper)
      66                 : 
      67                 : NS_IMETHODIMP
      68               0 : nsMathMLForeignFrameWrapper::Reflow(nsPresContext*          aPresContext,
      69                 :                                     nsHTMLReflowMetrics&     aDesiredSize,
      70                 :                                     const nsHTMLReflowState& aReflowState,
      71                 :                                     nsReflowStatus&          aStatus)
      72                 : {
      73                 :   // Let the base class do the reflow
      74               0 :   nsresult rv = nsBlockFrame::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus);
      75                 : 
      76               0 :   mReference.x = 0;
      77               0 :   mReference.y = aDesiredSize.ascent;
      78                 : 
      79                 :   // just make-up a bounding metrics
      80               0 :   mBoundingMetrics = nsBoundingMetrics();
      81               0 :   mBoundingMetrics.ascent = aDesiredSize.ascent;
      82               0 :   mBoundingMetrics.descent = aDesiredSize.height - aDesiredSize.ascent;
      83               0 :   mBoundingMetrics.width = aDesiredSize.width;
      84               0 :   mBoundingMetrics.leftBearing = 0;
      85               0 :   mBoundingMetrics.rightBearing = aDesiredSize.width;
      86               0 :   aDesiredSize.mBoundingMetrics = mBoundingMetrics;
      87                 : 
      88               0 :   NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize);
      89               0 :   return rv;
      90                 : }

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