1 /* 2 * (C) 1999-2003 Lars Knoll (knoll (at) kde.org) 3 * Copyright (C) 2004, 2005, 2006, 2007, 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 CSSValue_h 22 #define CSSValue_h 23 24 #include "StyleBase.h" 25 26 #include "CSSParserValues.h" 27 #include "KURLHash.h" 28 #include <wtf/ListHashSet.h> 29 #include <wtf/RefPtr.h> 30 31 namespace WebCore { 32 33 class CSSStyleSheet; 34 35 typedef int ExceptionCode; 36 37 class CSSValue : public RefCounted<CSSValue> { 38 public: 39 // FIXME: Change name to Type. 40 enum UnitTypes { 41 CSS_INHERIT = 0, 42 CSS_PRIMITIVE_VALUE = 1, 43 CSS_VALUE_LIST = 2, 44 CSS_CUSTOM = 3, 45 CSS_INITIAL = 4 46 }; 47 48 virtual ~CSSValue() { } 49 50 // FIXME: Change this to return UnitTypes. 51 virtual unsigned short cssValueType() const { return CSS_CUSTOM; } 52 53 virtual String cssText() const = 0; 54 void setCssText(const String&, ExceptionCode&) { } // FIXME: Not implemented. 55 56 virtual bool isFontValue() const { return false; } 57 virtual bool isImageGeneratorValue() const { return false; } 58 virtual bool isImageValue() const { return false; } 59 virtual bool isImplicitInitialValue() const { return false; } 60 virtual bool isPrimitiveValue() const { return false; } 61 virtual bool isTimingFunctionValue() const { return false; } 62 virtual bool isValueList() const { return false; } 63 virtual bool isWebKitCSSTransformValue() const { return false; } 64 65 #if ENABLE(SVG) 66 virtual bool isSVGColor() const { return false; } 67 virtual bool isSVGPaint() const { return false; } 68 #endif 69 70 virtual bool isVariableDependentValue() const { return false; } 71 virtual CSSParserValue parserValue() const { ASSERT_NOT_REACHED(); return CSSParserValue(); } 72 73 virtual void addSubresourceStyleURLs(ListHashSet<KURL>&, const CSSStyleSheet*) { } 74 }; 75 76 } // namespace WebCore 77 78 #endif // CSSValue_h 79
