2 * (C) 1999-2003 Lars Knoll (knoll@kde.org)
3 * Copyright (C) 2004, 2005, 2006, 2008, 2012 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
24 #include "CSSPropertyNames.h"
26 #include <wtf/Forward.h>
33 class StylePropertySet;
36 typedef int ExceptionCode;
38 class CSSStyleDeclaration {
39 WTF_MAKE_NONCOPYABLE(CSSStyleDeclaration); WTF_MAKE_FAST_ALLOCATED;
41 virtual ~CSSStyleDeclaration() { }
43 virtual void ref() = 0;
44 virtual void deref() = 0;
46 virtual CSSRule* parentRule() const = 0;
47 virtual String cssText() const = 0;
48 virtual void setCssText(const String&, ExceptionCode&) = 0;
49 virtual unsigned length() const = 0;
50 virtual String item(unsigned index) const = 0;
51 virtual PassRefPtr<CSSValue> getPropertyCSSValue(const String& propertyName) = 0;
52 virtual String getPropertyValue(const String& propertyName) = 0;
53 virtual String getPropertyPriority(const String& propertyName) = 0;
54 virtual String getPropertyShorthand(const String& propertyName) = 0;
55 virtual bool isPropertyImplicit(const String& propertyName) = 0;
56 virtual void setProperty(const String& propertyName, const String& value, const String& priority, ExceptionCode&) = 0;
57 virtual String removeProperty(const String& propertyName, ExceptionCode&) = 0;
59 // CSSPropertyID versions of the CSSOM functions to support bindings and editing.
60 // Use the non-virtual methods in the concrete subclasses when possible.
61 // The CSSValue returned by this function should not be exposed to the web as it may be used by multiple documents at the same time.
62 virtual PassRefPtr<CSSValue> getPropertyCSSValueInternal(CSSPropertyID) = 0;
63 virtual String getPropertyValueInternal(CSSPropertyID) = 0;
64 virtual void setPropertyInternal(CSSPropertyID, const String& value, bool important, ExceptionCode&) = 0;
66 virtual PassRefPtr<StylePropertySet> copy() const = 0;
67 virtual PassRefPtr<StylePropertySet> makeMutable() = 0;
69 virtual bool cssPropertyMatches(const CSSProperty*) const = 0;
70 virtual CSSStyleSheet* parentStyleSheet() const { return 0; }
73 CSSStyleDeclaration() { }
76 } // namespace WebCore
78 #endif // CSSStyleDeclaration_h