2 * (C) 1999-2003 Lars Knoll (knoll@kde.org)
3 * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
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.
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.
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.
24 #include "core/css/CSSPrimitiveValue.h"
25 #include "wtf/PassRefPtr.h"
26 #include "wtf/RefCounted.h"
27 #include "wtf/text/StringBuilder.h"
31 // A primitive value representing a pair. This is useful for properties like border-radius, background-size/position,
32 // and border-spacing (all of which are space-separated sets of two values). At the moment we are only using it for
33 // border-radius and background-size, but (FIXME) border-spacing and background-position could be converted over to use
34 // it (eliminating some extra -webkit- internal properties).
35 class Pair final : public RefCountedWillBeGarbageCollected<Pair> {
37 enum IdenticalValuesPolicy { DropIdenticalValues, KeepIdenticalValues };
39 static PassRefPtrWillBeRawPtr<Pair> create(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> first, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> second,
40 IdenticalValuesPolicy identicalValuesPolicy)
42 return adoptRefWillBeNoop(new Pair(first, second, identicalValuesPolicy));
45 CSSPrimitiveValue* first() const { return m_first.get(); }
46 CSSPrimitiveValue* second() const { return m_second.get(); }
47 IdenticalValuesPolicy identicalValuesPolicy() const { return m_identicalValuesPolicy; }
49 void setFirst(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> first) { m_first = first; }
50 void setSecond(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> second) { m_second = second; }
51 void setIdenticalValuesPolicy(IdenticalValuesPolicy identicalValuesPolicy) { m_identicalValuesPolicy = identicalValuesPolicy; }
53 String cssText() const
55 return generateCSSString(first()->cssText(), second()->cssText(), m_identicalValuesPolicy);
58 bool equals(const Pair& other) const
60 return compareCSSValuePtr(m_first, other.m_first)
61 && compareCSSValuePtr(m_second, other.m_second)
62 && m_identicalValuesPolicy == other.m_identicalValuesPolicy;
71 , m_identicalValuesPolicy(DropIdenticalValues) { }
73 Pair(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> first, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> second, IdenticalValuesPolicy identicalValuesPolicy)
76 , m_identicalValuesPolicy(identicalValuesPolicy) { }
78 static String generateCSSString(const String& first, const String& second, IdenticalValuesPolicy identicalValuesPolicy)
80 if (identicalValuesPolicy == DropIdenticalValues && first == second)
82 return first + ' ' + second;
85 RefPtrWillBeMember<CSSPrimitiveValue> m_first;
86 RefPtrWillBeMember<CSSPrimitiveValue> m_second;
87 IdenticalValuesPolicy m_identicalValuesPolicy;