2 * (C) 1999-2003 Lars Knoll (knoll@kde.org)
3 * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
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.
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.
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.
21 #ifndef CSSStyleDeclaration_h
22 #define CSSStyleDeclaration_h
25 #include <wtf/Forward.h>
29 class CSSMutableStyleDeclaration;
34 typedef int ExceptionCode;
36 class CSSStyleDeclaration : public RefCounted<CSSStyleDeclaration> {
38 virtual ~CSSStyleDeclaration() { }
40 static bool isPropertyName(const String&);
42 CSSRule* parentRule() const { return m_parentRule; }
43 void setParentRule(CSSRule* rule) { m_parentRule = rule; }
45 CSSStyleSheet* parentStyleSheet() const;
47 virtual String cssText() const = 0;
48 virtual void setCssText(const String&, ExceptionCode&) = 0;
50 unsigned length() const { return virtualLength(); }
51 virtual unsigned virtualLength() const = 0;
52 bool isEmpty() const { return !length(); }
53 virtual String item(unsigned index) const = 0;
55 PassRefPtr<CSSValue> getPropertyCSSValue(const String& propertyName);
56 String getPropertyValue(const String& propertyName);
57 String getPropertyPriority(const String& propertyName);
58 String getPropertyShorthand(const String& propertyName);
59 bool isPropertyImplicit(const String& propertyName);
61 virtual PassRefPtr<CSSValue> getPropertyCSSValue(int propertyID) const = 0;
62 virtual String getPropertyValue(int propertyID) const = 0;
63 virtual bool getPropertyPriority(int propertyID) const = 0;
64 virtual int getPropertyShorthand(int propertyID) const = 0;
65 virtual bool isPropertyImplicit(int propertyID) const = 0;
67 void setProperty(const String& propertyName, const String& value, ExceptionCode&);
68 void setProperty(const String& propertyName, const String& value, const String& priority, ExceptionCode&);
69 String removeProperty(const String& propertyName, ExceptionCode&);
70 virtual void setProperty(int propertyId, const String& value, bool important, ExceptionCode&) = 0;
71 virtual String removeProperty(int propertyID, ExceptionCode&) = 0;
73 virtual PassRefPtr<CSSMutableStyleDeclaration> copy() const = 0;
74 virtual PassRefPtr<CSSMutableStyleDeclaration> makeMutable() = 0;
76 void diff(CSSMutableStyleDeclaration*) const;
78 PassRefPtr<CSSMutableStyleDeclaration> copyPropertiesInSet(const int* set, unsigned length) const;
84 bool isElementStyleDeclaration() const { return m_isElementStyleDeclaration; }
85 bool isInlineStyleDeclaration() const { return m_isInlineStyleDeclaration; }
88 CSSStyleDeclaration(CSSRule* parentRule = 0);
90 virtual bool cssPropertyMatches(const CSSProperty*) const;
92 // The bits in this section are only used by specific subclasses but kept here
93 // to maximize struct packing.
95 // CSSMutableStyleDeclaration bits:
96 bool m_strictParsing : 1;
98 unsigned m_iteratorCount : 4;
101 // CSSElementStyleDeclaration bits:
102 bool m_isElementStyleDeclaration : 1;
103 bool m_isInlineStyleDeclaration : 1;
106 CSSRule* m_parentRule;
109 } // namespace WebCore
111 #endif // CSSStyleDeclaration_h