WebCore/CSSProperty.h

   1 /*
   2  * This file is part of the DOM implementation for KDE.
   3  *
   4  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
   5  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Library General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Library General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Library General Public License
  18  * along with this library; see the file COPYING.LIB.  If not, write to
  19  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20  * Boston, MA 02110-1301, USA.
  21  */
  22
  23 #ifndef CSSProperty_h
  24 #define CSSProperty_h
  25
  26 #include "CSSValue.h"
  27 #include <wtf/PassRefPtr.h>
  28 #include <wtf/RefPtr.h>
  29
  30 namespace WebCore {
  31
  32 class CSSProperty {
  33 public:
  34     CSSProperty(int propID, PassRefPtr<CSSValue> value, bool important = false, int shorthandID = 0, bool implicit = false)
  35         : m_id(propID)
  36         , m_shorthandID(shorthandID)
  37         , m_important(important)
  38         , m_implicit(implicit)
  39         , m_value(value)
  40     {
  41     }
  42
  43     CSSProperty& operator=(const CSSProperty& other)
  44     {
  45         m_id = other.m_id;
  46         m_shorthandID = other.m_shorthandID;
  47         m_important = other.m_important;
  48         m_implicit = other.m_implicit;
  49         m_value = other.m_value;
  50         return *this;
  51     }
  52
  53     int id() const { return m_id; }
  54     int shorthandID() const { return m_shorthandID; }
  55
  56     bool isImportant() const { return m_important; }
  57     bool isImplicit() const { return m_implicit; }
  58
  59     CSSValue* value() const { return m_value.get(); }
  60
  61     String cssText() const;
  62
  63     friend bool operator==(const CSSProperty&, const CSSProperty&);
  64
  65     // Make sure the following fits in 4 bytes. Really.
  66     int m_id : 15;
  67     int m_shorthandID : 15; // If this property was set as part of a shorthand, gives the shorthand.
  68     bool m_important : 1;
  69     bool m_implicit : 1; // Whether or not the property was set implicitly as the result of a shorthand.
  70
  71     RefPtr<CSSValue> m_value;
  72 };
  73
  74 } // namespace WebCore
  75
  76 namespace WTF {
  77     // Properties in Vector can be initialized with memset and moved using memcpy.
  78     template<> struct VectorTraits<WebCore::CSSProperty> : SimpleClassVectorTraits { };
  79 }
  80
  81 #endif // CSSProperty_h