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 CSSInitialValue_h 22 #define CSSInitialValue_h 23 24 #include "core/css/CSSValue.h" 25 #include "wtf/PassRefPtr.h" 26 27 namespace blink { 28 29 class CSSInitialValue : public CSSValue { 30 public: 31 static PassRefPtrWillBeRawPtr<CSSInitialValue> createExplicit() 32 { 33 return adoptRefWillBeNoop(new CSSInitialValue(/* implicit */ false)); 34 } 35 static PassRefPtrWillBeRawPtr<CSSInitialValue> createImplicit() 36 { 37 return adoptRefWillBeNoop(new CSSInitialValue(/* implicit */ true)); 38 } 39 40 String customCSSText() const; 41 42 bool isImplicit() const { return m_isImplicit; } 43 44 bool equals(const CSSInitialValue&) const { return true; } 45 46 void traceAfterDispatch(Visitor* visitor) { CSSValue::traceAfterDispatch(visitor); } 47 48 private: 49 explicit CSSInitialValue(bool implicit) 50 : CSSValue(InitialClass) 51 , m_isImplicit(implicit) 52 { 53 } 54 55 bool m_isImplicit; 56 }; 57 58 DEFINE_CSS_VALUE_TYPE_CASTS(CSSInitialValue, isInitialValue()); 59 60 } // namespace blink 61 62 #endif // CSSInitialValue_h 63
