WebCore/dom/StyledElement.h

   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 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 "NamedMappedAttrMap.h"
  30
  31 namespace WebCore {
  32
  33 class CSSMappedAttributeDeclaration;
  34 class MappedAttribute;
  35
  36 class StyledElement : public Element {
  37 public:
  38     StyledElement(const QualifiedName&, Document*);
  39     virtual ~StyledElement();
  40
  41     virtual bool isStyledElement() const { return true; }
  42
  43     NamedMappedAttrMap* mappedAttributes() { return static_cast<NamedMappedAttrMap*>(namedAttrMap.get()); }
  44     const NamedMappedAttrMap* mappedAttributes() const { return static_cast<NamedMappedAttrMap*>(namedAttrMap.get()); }
  45     bool hasMappedAttributes() const { return namedAttrMap && mappedAttributes()->hasMappedAttributes(); }
  46     bool isMappedAttribute(const QualifiedName& name) const { MappedAttributeEntry res = eNone; mapToEntry(name, res); return res != eNone; }
  47
  48     void addCSSLength(MappedAttribute* attr, int id, const String &value);
  49     void addCSSProperty(MappedAttribute* attr, int id, const String &value);
  50     void addCSSProperty(MappedAttribute* attr, int id, int value);
  51     void addCSSStringProperty(MappedAttribute* attr, int id, const String &value, CSSPrimitiveValue::UnitTypes = CSSPrimitiveValue::CSS_STRING);
  52     void addCSSImageProperty(MappedAttribute*, int propertyID, const String& url);
  53     void addCSSColor(MappedAttribute* attr, int id, const String &c);
  54     void createMappedDecl(MappedAttribute* attr);
  55
  56     static CSSMappedAttributeDeclaration* getMappedAttributeDecl(MappedAttributeEntry type, const QualifiedName& name, const AtomicString& value);
  57     static void setMappedAttributeDecl(MappedAttributeEntry, const QualifiedName& name, const AtomicString& value, CSSMappedAttributeDeclaration*);
  58     static void removeMappedAttributeDecl(MappedAttributeEntry type, const QualifiedName& name, const AtomicString& value);
  59
  60     static CSSMappedAttributeDeclaration* getMappedAttributeDecl(MappedAttributeEntry, Attribute*);
  61     static void setMappedAttributeDecl(MappedAttributeEntry, Attribute*, CSSMappedAttributeDeclaration*);
  62
  63     CSSMutableStyleDeclaration* inlineStyleDecl() const { return m_inlineStyleDecl.get(); }
  64     virtual bool canHaveAdditionalAttributeStyleDecls() const { return false; }
  65     virtual void additionalAttributeStyleDecls(Vector<CSSMutableStyleDeclaration*>&) {};
  66     CSSMutableStyleDeclaration* getInlineStyleDecl();
  67     CSSStyleDeclaration* style();
  68     void createInlineStyleDecl();
  69     void destroyInlineStyleDecl();
  70     void invalidateStyleAttribute();
  71     virtual void updateStyleAttribute() const;
  72
  73     const ClassNames& classNames() const { ASSERT(hasClass()); ASSERT(mappedAttributes()); return mappedAttributes()->classNames(); }
  74
  75     virtual void attributeChanged(Attribute*, bool preserveDecls = false);
  76     virtual void parseMappedAttribute(MappedAttribute*);
  77     virtual bool mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const;
  78     virtual void createAttributeMap() const;
  79     virtual PassRefPtr<Attribute> createAttribute(const QualifiedName&, const AtomicString& value);
  80
  81     virtual void copyNonAttributeProperties(const Element*);
  82
  83 protected:
  84     // classAttributeChanged() exists to share code between
  85     // parseMappedAttribute (called via setAttribute()) and
  86     // svgAttributeChanged (called when element.className.baseValue is set)
  87     void classAttributeChanged(const AtomicString& newClassString);
  88
  89     RefPtr<CSSMutableStyleDeclaration> m_inlineStyleDecl;
  90 };
  91
  92 } //namespace
  93
  94 #endif