1 /* 2 * (C) 1999-2003 Lars Knoll (knoll (at) kde.org) 3 * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21 #ifndef CSSQuirkPrimitiveValue_h 22 #define CSSQuirkPrimitiveValue_h 23 24 #include "CSSPrimitiveValue.h" 25 26 namespace WebCore { 27 28 // This value is used to handle quirky margins in reflow roots (body, td, and th) like WinIE. 29 // The basic idea is that a stylesheet can use the value __qem (for quirky em) instead of em. 30 // When the quirky value is used, if you're in quirks mode, the margin will collapse away 31 // inside a table cell. 32 class CSSQuirkPrimitiveValue : public CSSPrimitiveValue { 33 public: 34 static PassRefPtr<CSSQuirkPrimitiveValue> create(double value, UnitTypes type) 35 { 36 return adoptRef(new CSSQuirkPrimitiveValue(value, type)); 37 } 38 39 private: 40 CSSQuirkPrimitiveValue(double num, UnitTypes type) 41 : CSSPrimitiveValue(num, type) 42 { 43 } 44 45 virtual bool isQuirkValue() { return true; } 46 }; 47 48 } // namespace WebCore 49 50 #endif // CSSQuirkPrimitiveValue_h 51