WebCore/Pair.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 Pair_h
  24 #define Pair_h
  25
  26 #include <wtf/RefCounted.h>
  27 #include "CSSPrimitiveValue.h"
  28 #include <wtf/PassRefPtr.h>
  29
  30 namespace WebCore {
  31
  32 // A primitive value representing a pair.  This is useful for properties like border-radius, background-size/position,
  33 // and border-spacing (all of which are space-separated sets of two values).  At the moment we are only using it for
  34 // border-radius and background-size, but (FIXME) border-spacing and background-position could be converted over to use
  35 // it (eliminating some extra -webkit- internal properties).
  36 class Pair : public RefCounted<Pair> {
  37 public:
  38     static PassRefPtr<Pair> create()
  39     {
  40         return adoptRef(new Pair);
  41     }
  42     static PassRefPtr<Pair> create(PassRefPtr<CSSPrimitiveValue> first, PassRefPtr<CSSPrimitiveValue> second)
  43     {
  44         return adoptRef(new Pair(first, second));
  45     }
  46     virtual ~Pair() { }
  47
  48     CSSPrimitiveValue* first() const { return m_first.get(); }
  49     CSSPrimitiveValue* second() const { return m_second.get(); }
  50
  51     void setFirst(PassRefPtr<CSSPrimitiveValue> first) { m_first = first; }
  52     void setSecond(PassRefPtr<CSSPrimitiveValue> second) { m_second = second; }
  53
  54 private:
  55     Pair() : m_first(0), m_second(0) { }
  56     Pair(PassRefPtr<CSSPrimitiveValue> first, PassRefPtr<CSSPrimitiveValue> second)
  57         : m_first(first), m_second(second) { }
  58
  59     RefPtr<CSSPrimitiveValue> m_first;
  60     RefPtr<CSSPrimitiveValue> m_second;
  61 };
  62
  63 } // namespace
  64
  65 #endif