/* -*- 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 * 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 Communicator client code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * 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 ***** */ // // Eric Vaughan // Netscape Communications // // See documentation in associated header file // #include "nsGridRowGroupFrame.h" #include "nsGridRowLeafLayout.h" #include "nsGridRow.h" #include "nsBoxLayoutState.h" #include "nsGridLayout2.h" nsIFrame* NS_NewGridRowGroupFrame (nsIPresShell* aPresShell, nsStyleContext* aContext, PRBool aIsRoot, nsIBoxLayout* aLayoutManager) { return new (aPresShell) nsGridRowGroupFrame (aPresShell, aContext, aIsRoot, aLayoutManager); } /** * This is redefined because row groups have a funny property. If they are flexible * then their flex must be equal to the sum of their children's flexes. */ nscoord nsGridRowGroupFrame::GetFlex(nsBoxLayoutState& aState) { // if we are flexible out flexibility is determined by our columns. // so first get the our flex. If not 0 then our flex is the sum of // our columns flexes. if (!DoesNeedRecalc(mFlex)) return mFlex; if (nsBoxFrame::GetFlex(aState) == 0) return 0; // ok we are flexible add up our children nscoord totalFlex = 0; nsIBox* child = GetChildBox(); while (child) { totalFlex += child->GetFlex(aState); child = child->GetNextBox(); } mFlex = totalFlex; return totalFlex; }