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 "Node.h" 26 27 namespace WebCore { 28 29 class CSSMutableStyleDeclaration; 30 class ShadowData; 31 32 enum EUpdateLayout { DoNotUpdateLayout = false, UpdateLayout = true }; 33 34 class CSSComputedStyleDeclaration : public CSSStyleDeclaration { 35 public: 36 friend PassRefPtr<CSSComputedStyleDeclaration> computedStyle(PassRefPtr<Node>); 37 virtual ~CSSComputedStyleDeclaration(); 38 39 virtual String cssText() const; 40 41 virtual unsigned length() const; 42 virtual String item(unsigned index) const; 43 44 virtual PassRefPtr<CSSValue> getPropertyCSSValue(int propertyID) const; 45 virtual String getPropertyValue(int propertyID) const; 46 virtual bool getPropertyPriority(int propertyID) const; 47 virtual int getPropertyShorthand(int /*propertyID*/) const { return -1; } 48 virtual bool isPropertyImplicit(int /*propertyID*/) const { return false; } 49 50 virtual PassRefPtr<CSSMutableStyleDeclaration> copy() const; 51 virtual PassRefPtr<CSSMutableStyleDeclaration> makeMutable(); 52 53 PassRefPtr<CSSValue> getPropertyCSSValue(int propertyID, EUpdateLayout) const; 54 PassRefPtr<CSSValue> getFontSizeCSSValuePreferringKeyword() const; 55 #if ENABLE(SVG) 56 PassRefPtr<CSSValue> getSVGPropertyCSSValue(int propertyID, EUpdateLayout) const; 57 #endif 58 59 protected: 60 virtual bool cssPropertyMatches(const CSSProperty*) const; 61 62 private: 63 CSSComputedStyleDeclaration(PassRefPtr<Node>); 64 65 virtual void setCssText(const String&, ExceptionCode&); 66 67 virtual String removeProperty(int propertyID, ExceptionCode&); 68 virtual void setProperty(int propertyId, const String& value, bool important, ExceptionCode&); 69 70 PassRefPtr<CSSValue> valueForShadow(const ShadowData*, int) const; 71 72 RefPtr<Node> m_node; 73 }; 74 75 inline PassRefPtr<CSSComputedStyleDeclaration> computedStyle(PassRefPtr<Node> node) 76 { 77 return adoptRef(new CSSComputedStyleDeclaration(node)); 78 } 79 80 } // namespace WebCore 81 82 #endif // CSSComputedStyleDeclaration_h 83