1 /*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * (C) 2001 Peter Kelly (pmk@post.com)
5 * (C) 2001 Dirk Mueller (mueller@kde.org)
6 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public License
19 * along with this library; see the file COPYING.LIB. If not, write to
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
22 *
23 */
24
25 #ifndef StyledElement_h
26 #define StyledElement_h
27
28 #include "Element.h"
29 #include "MappedAttributeEntry.h"
30
31 namespace WebCore {
32
33 class Attribute;
34 class CSSMappedAttributeDeclaration;
35 class CSSMutableStyleDeclaration;
36
37 class StyledElement : public Element {
38 public:
39 virtual ~StyledElement();
40
hasMappedAttributes()41 bool hasMappedAttributes() const { return attributeMap() && attributeMap()->hasMappedAttributes(); }
isMappedAttribute(const QualifiedName & name)42 bool isMappedAttribute(const QualifiedName& name) const { MappedAttributeEntry res = eNone; mapToEntry(name, res); return res != eNone; }
43
44 void addCSSLength(Attribute*, int id, const String& value);
45 void addCSSProperty(Attribute*, int id, const String& value);
46 void addCSSProperty(Attribute*, int id, int value);
47 void addCSSImageProperty(Attribute*, int propertyID, const String& url);
48 void addCSSColor(Attribute*, int id, const String& color);
49
50 static CSSMappedAttributeDeclaration* getMappedAttributeDecl(MappedAttributeEntry, const QualifiedName& name, const AtomicString& value);
51 static void setMappedAttributeDecl(MappedAttributeEntry, const QualifiedName& name, const AtomicString& value, CSSMappedAttributeDeclaration*);
52 static void removeMappedAttributeDecl(MappedAttributeEntry, const QualifiedName& name, const AtomicString& value);
53
54 static CSSMappedAttributeDeclaration* getMappedAttributeDecl(MappedAttributeEntry, Attribute*);
55 static void setMappedAttributeDecl(MappedAttributeEntry, Attribute*, CSSMappedAttributeDeclaration*);
56
inlineStyleDecl()57 CSSMutableStyleDeclaration* inlineStyleDecl() const { return m_inlineStyleDecl.get(); }
canHaveAdditionalAttributeStyleDecls()58 virtual bool canHaveAdditionalAttributeStyleDecls() const { return false; }
additionalAttributeStyleDecls(Vector<CSSMutableStyleDeclaration * > &)59 virtual void additionalAttributeStyleDecls(Vector<CSSMutableStyleDeclaration*>&) { }
60 CSSMutableStyleDeclaration* getInlineStyleDecl();
61 CSSStyleDeclaration* style();
62 void invalidateStyleAttribute();
63
64 const SpaceSplitString& classNames() const;
65
66 virtual bool mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const;
67
68 virtual PassRefPtr<Attribute> createAttribute(const QualifiedName&, const AtomicString& value);
69
70 protected:
StyledElement(const QualifiedName & name,Document * document,ConstructionType type)71 StyledElement(const QualifiedName& name, Document* document, ConstructionType type)
72 : Element(name, document, type)
73 {
74 }
75
76 virtual void attributeChanged(Attribute*, bool preserveDecls = false);
77 virtual void parseMappedAttribute(Attribute*);
78 virtual void copyNonAttributeProperties(const Element*);
79
80 virtual void addSubresourceAttributeURLs(ListHashSet<KURL>&) const;
81
82 // classAttributeChanged() exists to share code between
83 // parseMappedAttribute (called via setAttribute()) and
84 // svgAttributeChanged (called when element.className.baseValue is set)
85 void classAttributeChanged(const AtomicString& newClassString);
86
87 virtual void didMoveToNewOwnerDocument();
88
89 private:
90 void createMappedDecl(Attribute*);
91
92 void createInlineStyleDecl();
93 void destroyInlineStyleDecl();
94 virtual void updateStyleAttribute() const;
95
96 RefPtr<CSSMutableStyleDeclaration> m_inlineStyleDecl;
97 };
98
classNames()99 inline const SpaceSplitString& StyledElement::classNames() const
100 {
101 ASSERT(hasClass());
102 ASSERT(attributeMap());
103 return attributeMap()->classNames();
104 }
105
invalidateStyleAttribute()106 inline void StyledElement::invalidateStyleAttribute()
107 {
108 clearIsStyleAttributeValid();
109 }
110
111 } //namespace
112
113 #endif
114