1 /*
2 * (C) 1999-2003 Lars Knoll (knoll@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 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.
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 * Library General Public License for more details.
14 *
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.
19 */
20
21 #ifndef CSSMutableStyleDeclaration_h
22 #define CSSMutableStyleDeclaration_h
23
24 #include "CSSStyleDeclaration.h"
25 #include "CSSPrimitiveValue.h"
26 #include "CSSProperty.h"
27 #include "KURLHash.h"
28 #include "PlatformString.h"
29 #include <wtf/ListHashSet.h>
30 #include <wtf/Vector.h>
31
32 namespace WebCore {
33
34 class Node;
35
36 class CSSMutableStyleDeclarationConstIterator {
37 public:
38 CSSMutableStyleDeclarationConstIterator(const CSSMutableStyleDeclaration* decl, CSSProperty* current);
39 CSSMutableStyleDeclarationConstIterator(const CSSMutableStyleDeclarationConstIterator& o);
40 ~CSSMutableStyleDeclarationConstIterator();
41
42 const CSSProperty& operator*() const { return *m_current; }
43 const CSSProperty* operator->() const { return m_current; }
44
45 bool operator!=(const CSSMutableStyleDeclarationConstIterator& o) { ASSERT(m_decl == o.m_decl); return m_current != o.m_current; }
46 bool operator==(const CSSMutableStyleDeclarationConstIterator& o) { ASSERT(m_decl == o.m_decl); return m_current == o.m_current; }
47
48 CSSMutableStyleDeclarationConstIterator& operator=(const CSSMutableStyleDeclarationConstIterator& o);
49
50 CSSMutableStyleDeclarationConstIterator& operator++();
51 CSSMutableStyleDeclarationConstIterator& operator--();
52
53 private:
54 const CSSMutableStyleDeclaration* m_decl;
55 CSSProperty* m_current;
56 };
57
58 class CSSMutableStyleDeclaration : public CSSStyleDeclaration {
59 public:
60 virtual ~CSSMutableStyleDeclaration();
61
create()62 static PassRefPtr<CSSMutableStyleDeclaration> create()
63 {
64 return adoptRef(new CSSMutableStyleDeclaration);
65 }
create(CSSRule * parentRule)66 static PassRefPtr<CSSMutableStyleDeclaration> create(CSSRule* parentRule)
67 {
68 return adoptRef(new CSSMutableStyleDeclaration(parentRule));
69 }
create(CSSRule * parentRule,const CSSProperty * const * properties,int numProperties)70 static PassRefPtr<CSSMutableStyleDeclaration> create(CSSRule* parentRule, const CSSProperty* const* properties, int numProperties)
71 {
72 return adoptRef(new CSSMutableStyleDeclaration(parentRule, properties, numProperties));
73 }
create(const Vector<CSSProperty> & properties)74 static PassRefPtr<CSSMutableStyleDeclaration> create(const Vector<CSSProperty>& properties)
75 {
76 return adoptRef(new CSSMutableStyleDeclaration(0, properties));
77 }
78
79 CSSMutableStyleDeclaration& operator=(const CSSMutableStyleDeclaration&);
80
81 typedef CSSMutableStyleDeclarationConstIterator const_iterator;
82
begin()83 const_iterator begin() { return const_iterator(this, m_properties.begin()); }
end()84 const_iterator end() { return const_iterator(this, m_properties.end()); }
85
setNode(Node * node)86 void setNode(Node* node) { m_node = node; }
87
node()88 Node* node() const { return m_node; }
89
isMutableStyleDeclaration()90 virtual bool isMutableStyleDeclaration() const { return true; }
91
92 virtual String cssText() const;
93 virtual void setCssText(const String&, ExceptionCode&);
94
95 virtual unsigned virtualLength() const;
length()96 unsigned length() const { return m_properties.size(); }
97
98 virtual String item(unsigned index) const;
99
100 virtual PassRefPtr<CSSValue> getPropertyCSSValue(int propertyID) const;
101 virtual String getPropertyValue(int propertyID) const;
102 virtual bool getPropertyPriority(int propertyID) const;
103 virtual int getPropertyShorthand(int propertyID) const;
104 virtual bool isPropertyImplicit(int propertyID) const;
105
106 virtual void setProperty(int propertyId, const String& value, bool important, ExceptionCode&);
107 virtual String removeProperty(int propertyID, ExceptionCode&);
108
109 virtual PassRefPtr<CSSMutableStyleDeclaration> copy() const;
110
111 bool setProperty(int propertyID, int value, bool important = false, bool notifyChanged = true);
112 bool setProperty(int propertyId, double value, CSSPrimitiveValue::UnitTypes, bool important = false, bool notifyChanged = true);
113 bool setProperty(int propertyID, const String& value, bool important = false, bool notifyChanged = true);
114
115 String removeProperty(int propertyID, bool notifyChanged = true, bool returnText = false);
116
117 // setLengthProperty treats integers as pixels! (Needed for conversion of HTML attributes.)
118 void setLengthProperty(int propertyId, const String& value, bool important, bool multiLength = false);
119 void setStringProperty(int propertyId, const String& value, CSSPrimitiveValue::UnitTypes, bool important = false); // parsed string value
120 void setImageProperty(int propertyId, const String& url, bool important = false);
121
122 // The following parses an entire new style declaration.
123 void parseDeclaration(const String& styleDeclaration);
124
125 // Besides adding the properties, this also removes any existing properties with these IDs.
126 // It does no notification since it's called by the parser.
127 void addParsedProperties(const CSSProperty* const *, int numProperties);
128 // This does no change notifications since it's only called by createMarkup.
129 void addParsedProperty(const CSSProperty&);
130
131 PassRefPtr<CSSMutableStyleDeclaration> copyBlockProperties() const;
132 void removeBlockProperties();
133 void removePropertiesInSet(const int* set, unsigned length, bool notifyChanged = true);
134
135 void merge(const CSSMutableStyleDeclaration*, bool argOverridesOnConflict = true);
136
setStrictParsing(bool b)137 void setStrictParsing(bool b) { m_strictParsing = b; }
useStrictParsing()138 bool useStrictParsing() const { return m_strictParsing; }
139
140 void addSubresourceStyleURLs(ListHashSet<KURL>&);
141
propertiesEqual(const CSSMutableStyleDeclaration * o)142 bool propertiesEqual(const CSSMutableStyleDeclaration* o) const { return m_properties == o->m_properties; }
143
144 bool isInlineStyleDeclaration();
145
146 protected:
147 CSSMutableStyleDeclaration(CSSRule* parentRule);
148
149 private:
150 CSSMutableStyleDeclaration();
151 CSSMutableStyleDeclaration(CSSRule* parentRule, const Vector<CSSProperty>&);
152 CSSMutableStyleDeclaration(CSSRule* parentRule, const CSSProperty* const *, int numProperties);
153
154 virtual PassRefPtr<CSSMutableStyleDeclaration> makeMutable();
155
156 void setNeedsStyleRecalc();
157
158 String getShorthandValue(const int* properties, size_t) const;
159 String getCommonValue(const int* properties, size_t) const;
160 String getLayeredShorthandValue(const int* properties, size_t) const;
161 String get4Values(const int* properties) const;
162 String borderSpacingValue(const int properties[2]) const;
163
getShorthandValue(const int (& properties)[size])164 template<size_t size> String getShorthandValue(const int (&properties)[size]) const { return getShorthandValue(properties, size); }
getCommonValue(const int (& properties)[size])165 template<size_t size> String getCommonValue(const int (&properties)[size]) const { return getCommonValue(properties, size); }
getLayeredShorthandValue(const int (& properties)[size])166 template<size_t size> String getLayeredShorthandValue(const int (&properties)[size]) const { return getLayeredShorthandValue(properties, size); }
167
168 void setPropertyInternal(const CSSProperty&, CSSProperty* slot = 0);
169 bool removeShorthandProperty(int propertyID, bool notifyChanged);
170
171 Vector<CSSProperty>::const_iterator findPropertyWithId(int propertyId) const;
172 Vector<CSSProperty>::iterator findPropertyWithId(int propertyId);
173
174 Vector<CSSProperty, 4> m_properties;
175
176 Node* m_node;
177 bool m_strictParsing : 1;
178 #ifndef NDEBUG
179 unsigned m_iteratorCount : 4;
180 #endif
181
182 friend class CSSMutableStyleDeclarationConstIterator;
183 };
184
CSSMutableStyleDeclarationConstIterator(const CSSMutableStyleDeclaration * decl,CSSProperty * current)185 inline CSSMutableStyleDeclarationConstIterator::CSSMutableStyleDeclarationConstIterator(const CSSMutableStyleDeclaration* decl, CSSProperty* current)
186 : m_decl(decl)
187 , m_current(current)
188 {
189 #ifndef NDEBUG
190 const_cast<CSSMutableStyleDeclaration*>(m_decl)->m_iteratorCount++;
191 #endif
192 }
193
CSSMutableStyleDeclarationConstIterator(const CSSMutableStyleDeclarationConstIterator & o)194 inline CSSMutableStyleDeclarationConstIterator::CSSMutableStyleDeclarationConstIterator(const CSSMutableStyleDeclarationConstIterator& o)
195 : m_decl(o.m_decl)
196 , m_current(o.m_current)
197 {
198 #ifndef NDEBUG
199 const_cast<CSSMutableStyleDeclaration*>(m_decl)->m_iteratorCount++;
200 #endif
201 }
202
~CSSMutableStyleDeclarationConstIterator()203 inline CSSMutableStyleDeclarationConstIterator::~CSSMutableStyleDeclarationConstIterator()
204 {
205 #ifndef NDEBUG
206 const_cast<CSSMutableStyleDeclaration*>(m_decl)->m_iteratorCount--;
207 #endif
208 }
209
210 inline CSSMutableStyleDeclarationConstIterator& CSSMutableStyleDeclarationConstIterator::operator=(const CSSMutableStyleDeclarationConstIterator& o)
211 {
212 m_decl = o.m_decl;
213 m_current = o.m_current;
214 #ifndef NDEBUG
215 const_cast<CSSMutableStyleDeclaration*>(m_decl)->m_iteratorCount++;
216 #endif
217 return *this;
218 }
219
220 inline CSSMutableStyleDeclarationConstIterator& CSSMutableStyleDeclarationConstIterator::operator++()
221 {
222 ASSERT(m_current != const_cast<CSSMutableStyleDeclaration*>(m_decl)->m_properties.end());
223 ++m_current;
224 return *this;
225 }
226
227 inline CSSMutableStyleDeclarationConstIterator& CSSMutableStyleDeclarationConstIterator::operator--()
228 {
229 --m_current;
230 return *this;
231 }
232
233 } // namespace WebCore
234
235 #endif // CSSMutableStyleDeclaration_h
236