1 /* 2 * Copyright (C) 2004 Zack Rusin <zack (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 Lesser 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 * Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public 16 * License along with this library; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 18 * 02110-1301 USA 19 */ 20 21 #ifndef CSSComputedStyleDeclaration_h 22 #define CSSComputedStyleDeclaration_h 23 24 #include "CSSStyleDeclaration.h" 25 #include "PlatformString.h" 26 #include "RenderStyleConstants.h" 27 #include <wtf/RefPtr.h> 28 29 namespace WebCore { 30 31 class Color; 32 class CSSMutableStyleDeclaration; 33 class CSSPrimitiveValue; 34 class Node; 35 class RenderStyle; 36 class ShadowData; 37 38 enum EUpdateLayout { DoNotUpdateLayout = false, UpdateLayout = true }; 39 40 class CSSComputedStyleDeclaration : public CSSStyleDeclaration { 41 public: 42 friend PassRefPtr<CSSComputedStyleDeclaration> computedStyle(PassRefPtr<Node>, bool allowVisitedStyle, const String& pseudoElementName); 43 virtual ~CSSComputedStyleDeclaration(); 44 45 virtual String cssText() const; 46 47 virtual unsigned virtualLength() const; 48 virtual String item(unsigned index) const; 49 50 virtual PassRefPtr<CSSValue> getPropertyCSSValue(int propertyID) const; 51 virtual String getPropertyValue(int propertyID) const; 52 virtual bool getPropertyPriority(int propertyID) const; 53 virtual int getPropertyShorthand(int /*propertyID*/) const { return -1; } 54 virtual bool isPropertyImplicit(int /*propertyID*/) const { return false; } 55 56 virtual PassRefPtr<CSSMutableStyleDeclaration> copy() const; 57 virtual PassRefPtr<CSSMutableStyleDeclaration> makeMutable(); 58 59 PassRefPtr<CSSValue> getPropertyCSSValue(int propertyID, EUpdateLayout) const; 60 PassRefPtr<CSSValue> getFontSizeCSSValuePreferringKeyword() const; 61 bool useFixedFontDefaultSize() const; 62 #if ENABLE(SVG) 63 PassRefPtr<CSSValue> getSVGPropertyCSSValue(int propertyID, EUpdateLayout) const; 64 #endif 65 66 protected: 67 virtual bool cssPropertyMatches(const CSSProperty*) const; 68 69 private: 70 CSSComputedStyleDeclaration(PassRefPtr<Node>, bool allowVisitedStyle, const String&); 71 72 virtual void setCssText(const String&, ExceptionCode&); 73 74 virtual String removeProperty(int propertyID, ExceptionCode&); 75 virtual void setProperty(int propertyId, const String& value, bool important, ExceptionCode&); 76 77 PassRefPtr<CSSValue> valueForShadow(const ShadowData*, int, RenderStyle*) const; 78 PassRefPtr<CSSPrimitiveValue> currentColorOrValidColor(RenderStyle*, const Color&) const; 79 80 RefPtr<Node> m_node; 81 PseudoId m_pseudoElementSpecifier; 82 bool m_allowVisitedStyle; 83 }; 84 85 inline PassRefPtr<CSSComputedStyleDeclaration> computedStyle(PassRefPtr<Node> node, bool allowVisitedStyle = false, const String& pseudoElementName = String()) 86 { 87 return adoptRef(new CSSComputedStyleDeclaration(node, allowVisitedStyle, pseudoElementName)); 88 } 89 90 } // namespace WebCore 91 92 #endif // CSSComputedStyleDeclaration_h 93
