LCOV - code coverage report
Current view: directory - layout/xul/base/src/grid - nsGridRowGroupFrame.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 18 0 0.0 %
Date: 2012-06-02 Functions: 4 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 Communicator client code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : //
      39                 : // Eric Vaughan
      40                 : // Netscape Communications
      41                 : //
      42                 : // See documentation in associated header file
      43                 : //
      44                 : 
      45                 : #include "nsGridRowGroupFrame.h"
      46                 : #include "nsGridRowLeafLayout.h"
      47                 : #include "nsGridRow.h"
      48                 : #include "nsBoxLayoutState.h"
      49                 : #include "nsGridLayout2.h"
      50                 : 
      51                 : already_AddRefed<nsBoxLayout> NS_NewGridRowGroupLayout();
      52                 : 
      53                 : nsIFrame*
      54               0 : NS_NewGridRowGroupFrame(nsIPresShell* aPresShell,
      55                 :                         nsStyleContext* aContext)
      56                 : {
      57               0 :   nsCOMPtr<nsBoxLayout> layout = NS_NewGridRowGroupLayout();
      58               0 :   if (!layout) {
      59               0 :     return nsnull;
      60                 :   }
      61                 : 
      62               0 :   return new (aPresShell) nsGridRowGroupFrame(aPresShell, aContext, layout);
      63                 : }
      64                 : 
      65               0 : NS_IMPL_FRAMEARENA_HELPERS(nsGridRowGroupFrame)
      66                 : 
      67                 : 
      68                 : /**
      69                 :  * This is redefined because row groups have a funny property. If they are flexible
      70                 :  * then their flex must be equal to the sum of their children's flexes.
      71                 :  */
      72                 : nscoord
      73               0 : nsGridRowGroupFrame::GetFlex(nsBoxLayoutState& aState)
      74                 : {
      75                 :   // if we are flexible out flexibility is determined by our columns.
      76                 :   // so first get the our flex. If not 0 then our flex is the sum of
      77                 :   // our columns flexes.
      78                 : 
      79               0 :   if (!DoesNeedRecalc(mFlex))
      80               0 :      return mFlex;
      81                 : 
      82               0 :   if (nsBoxFrame::GetFlex(aState) == 0)
      83               0 :     return 0;
      84                 : 
      85                 :   // ok we are flexible add up our children
      86               0 :   nscoord totalFlex = 0;
      87               0 :   nsIBox* child = GetChildBox();
      88               0 :   while (child)
      89                 :   {
      90               0 :     totalFlex += child->GetFlex(aState);
      91               0 :     child = child->GetNextBox();
      92                 :   }
      93                 : 
      94               0 :   mFlex = totalFlex;
      95                 : 
      96               0 :   return totalFlex;
      97                 : }
      98                 : 
      99                 : 

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