/* -*- 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 "nsGridCell.h" #include "nsFrame.h" #include "nsBox.h" #include "nsStackLayout.h" nsGridCell::nsGridCell():mBoxInColumn(nsnull),mBoxInRow(nsnull) { MOZ_COUNT_CTOR(nsGridCell); } nsGridCell::~nsGridCell() { MOZ_COUNT_DTOR(nsGridCell); } nsSize nsGridCell::GetPrefSize(nsBoxLayoutState& aState) { nsSize sum(0,0); // take our 2 children and add them up. // we are as wide as the widest child plus its left offset // we are tall as the tallest child plus its top offset if (mBoxInColumn) { nsSize pref = mBoxInColumn->GetPrefSize(aState); nsBox::AddMargin(mBoxInColumn, pref); nsStackLayout::AddOffset(aState, mBoxInColumn, pref); nsBoxLayout::AddLargestSize(sum, pref); } if (mBoxInRow) { nsSize pref = mBoxInRow->GetPrefSize(aState); nsBox::AddMargin(mBoxInRow, pref); nsStackLayout::AddOffset(aState, mBoxInRow, pref); nsBoxLayout::AddLargestSize(sum, pref); } return sum; } nsSize nsGridCell::GetMinSize(nsBoxLayoutState& aState) { nsSize sum(0, 0); // take our 2 children and add them up. // we are as wide as the widest child plus its left offset // we are tall as the tallest child plus its top offset if (mBoxInColumn) { nsSize min = mBoxInColumn->GetMinSize(aState); nsBox::AddMargin(mBoxInColumn, min); nsStackLayout::AddOffset(aState, mBoxInColumn, min); nsBoxLayout::AddLargestSize(sum, min); } if (mBoxInRow) { nsSize min = mBoxInRow->GetMinSize(aState); nsBox::AddMargin(mBoxInRow, min); nsStackLayout::AddOffset(aState, mBoxInRow, min); nsBoxLayout::AddLargestSize(sum, min); } return sum; } nsSize nsGridCell::GetMaxSize(nsBoxLayoutState& aState) { nsSize sum(NS_INTRINSICSIZE, NS_INTRINSICSIZE); // take our 2 children and add them up. // we are as wide as the smallest child plus its left offset // we are tall as the shortest child plus its top offset if (mBoxInColumn) { nsSize max = mBoxInColumn->GetMaxSize(aState); nsBox::AddMargin(mBoxInColumn, max); nsStackLayout::AddOffset(aState, mBoxInColumn, max); nsBoxLayout::AddSmallestSize(sum, max); } if (mBoxInRow) { nsSize max = mBoxInRow->GetMaxSize(aState); nsBox::AddMargin(mBoxInRow, max); nsStackLayout::AddOffset(aState, mBoxInRow, max); nsBoxLayout::AddSmallestSize(sum, max); } return sum; } PRBool nsGridCell::IsCollapsed(nsBoxLayoutState& aState) { return ((mBoxInColumn && mBoxInColumn->IsCollapsed(aState)) || (mBoxInRow && mBoxInRow->IsCollapsed(aState))); }