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1 /* | 1 /* |
2 * (C) 1999-2003 Lars Knoll (knoll@kde.org) | 2 * (C) 1999-2003 Lars Knoll (knoll@kde.org) |
3 * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. | 3 * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. |
4 * | 4 * |
5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
9 * | 9 * |
10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
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26 #include "wtf/PassRefPtr.h" | 26 #include "wtf/PassRefPtr.h" |
27 #include "wtf/RefCounted.h" | 27 #include "wtf/RefCounted.h" |
28 #include "wtf/text/StringBuilder.h" | 28 #include "wtf/text/StringBuilder.h" |
29 | 29 |
30 namespace blink { | 30 namespace blink { |
31 | 31 |
32 // A primitive value representing a pair. This is useful for properties like bo
rder-radius, background-size/position, | 32 // A primitive value representing a pair. This is useful for properties like bo
rder-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 | 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 | 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). | 35 // it (eliminating some extra -webkit- internal properties). |
36 class CORE_EXPORT Pair final : public RefCountedWillBeGarbageCollected<Pair> { | 36 class CORE_EXPORT Pair final : public RefCounted<Pair> { |
37 public: | 37 public: |
38 enum IdenticalValuesPolicy { DropIdenticalValues, KeepIdenticalValues }; | 38 enum IdenticalValuesPolicy { DropIdenticalValues, KeepIdenticalValues }; |
39 | 39 |
40 static PassRefPtrWillBeRawPtr<Pair> create(PassRefPtrWillBeRawPtr<CSSPrimiti
veValue> first, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> second, | 40 static PassRefPtr<Pair> create(PassRefPtr<CSSPrimitiveValue> first, PassRefP
tr<CSSPrimitiveValue> second, |
41 IdenticalValuesPolicy identicalValuesPolicy) | 41 IdenticalValuesPolicy identicalValuesPolicy) |
42 { | 42 { |
43 return adoptRefWillBeNoop(new Pair(first, second, identicalValuesPolicy)
); | 43 return adoptRef(new Pair(first, second, identicalValuesPolicy)); |
44 } | 44 } |
45 | 45 |
46 CSSPrimitiveValue* first() const { return m_first.get(); } | 46 CSSPrimitiveValue* first() const { return m_first.get(); } |
47 CSSPrimitiveValue* second() const { return m_second.get(); } | 47 CSSPrimitiveValue* second() const { return m_second.get(); } |
48 | 48 |
49 String cssText() const | 49 String cssText() const |
50 { | 50 { |
51 return generateCSSString(first()->cssText(), second()->cssText(), m_iden
ticalValuesPolicy); | 51 return generateCSSString(first()->cssText(), second()->cssText(), m_iden
ticalValuesPolicy); |
52 } | 52 } |
53 | 53 |
54 bool equals(const Pair& other) const | 54 bool equals(const Pair& other) const |
55 { | 55 { |
56 return compareCSSValuePtr(m_first, other.m_first) | 56 return compareCSSValuePtr(m_first, other.m_first) |
57 && compareCSSValuePtr(m_second, other.m_second) | 57 && compareCSSValuePtr(m_second, other.m_second) |
58 && m_identicalValuesPolicy == other.m_identicalValuesPolicy; | 58 && m_identicalValuesPolicy == other.m_identicalValuesPolicy; |
59 } | 59 } |
60 | 60 |
61 DECLARE_TRACE(); | |
62 | |
63 private: | 61 private: |
64 Pair(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> first, PassRefPtrWillBeRawPtr
<CSSPrimitiveValue> second, IdenticalValuesPolicy identicalValuesPolicy) | 62 Pair(PassRefPtr<CSSPrimitiveValue> first, PassRefPtr<CSSPrimitiveValue> seco
nd, IdenticalValuesPolicy identicalValuesPolicy) |
65 : m_first(first) | 63 : m_first(first) |
66 , m_second(second) | 64 , m_second(second) |
67 , m_identicalValuesPolicy(identicalValuesPolicy) { } | 65 , m_identicalValuesPolicy(identicalValuesPolicy) { } |
68 | 66 |
69 static String generateCSSString(const String& first, const String& second, I
denticalValuesPolicy identicalValuesPolicy) | 67 static String generateCSSString(const String& first, const String& second, I
denticalValuesPolicy identicalValuesPolicy) |
70 { | 68 { |
71 if (identicalValuesPolicy == DropIdenticalValues && first == second) | 69 if (identicalValuesPolicy == DropIdenticalValues && first == second) |
72 return first; | 70 return first; |
73 return first + ' ' + second; | 71 return first + ' ' + second; |
74 } | 72 } |
75 | 73 |
76 RefPtrWillBeMember<CSSPrimitiveValue> m_first; | 74 RefPtr<CSSPrimitiveValue> m_first; |
77 RefPtrWillBeMember<CSSPrimitiveValue> m_second; | 75 RefPtr<CSSPrimitiveValue> m_second; |
78 IdenticalValuesPolicy m_identicalValuesPolicy; | 76 IdenticalValuesPolicy m_identicalValuesPolicy; |
79 }; | 77 }; |
80 | 78 |
81 } // namespace | 79 } // namespace |
82 | 80 |
83 #endif | 81 #endif |
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