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| 1 /* | |
| 2 * (C) 1999-2003 Lars Knoll (knoll@kde.org) | |
| 3 * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. | |
| 4 * | |
| 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. | |
| 9 * | |
| 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. | |
| 14 * | |
| 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. | |
| 19 */ | |
| 20 | |
| 21 #ifndef Pair_h | |
| 22 #define Pair_h | |
| 23 | |
| 24 #include "core/CoreExport.h" | |
| 25 #include "core/css/CSSPrimitiveValue.h" | |
| 26 #include "wtf/PassRefPtr.h" | |
| 27 #include "wtf/RefCounted.h" | |
| 28 #include "wtf/text/StringBuilder.h" | |
| 29 | |
| 30 namespace blink { | |
| 31 | |
| 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 | |
| 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 CORE_EXPORT Pair final : public RefCountedWillBeGarbageCollected<Pair> { | |
| 37 public: | |
| 38 enum IdenticalValuesPolicy { DropIdenticalValues, KeepIdenticalValues }; | |
| 39 | |
| 40 static PassRefPtrWillBeRawPtr<Pair> create(PassRefPtrWillBeRawPtr<CSSPrimiti
veValue> first, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> second, | |
| 41 IdenticalValuesPolicy identicalValuesPolicy) | |
| 42 { | |
| 43 return adoptRefWillBeNoop(new Pair(first, second, identicalValuesPolicy)
); | |
| 44 } | |
| 45 | |
| 46 CSSPrimitiveValue* first() const { return m_first.get(); } | |
| 47 CSSPrimitiveValue* second() const { return m_second.get(); } | |
| 48 | |
| 49 String cssText() const | |
| 50 { | |
| 51 return generateCSSString(first()->cssText(), second()->cssText(), m_iden
ticalValuesPolicy); | |
| 52 } | |
| 53 | |
| 54 bool equals(const Pair& other) const | |
| 55 { | |
| 56 return compareCSSValuePtr(m_first, other.m_first) | |
| 57 && compareCSSValuePtr(m_second, other.m_second) | |
| 58 && m_identicalValuesPolicy == other.m_identicalValuesPolicy; | |
| 59 } | |
| 60 | |
| 61 DECLARE_TRACE(); | |
| 62 | |
| 63 private: | |
| 64 Pair(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> first, PassRefPtrWillBeRawPtr
<CSSPrimitiveValue> second, IdenticalValuesPolicy identicalValuesPolicy) | |
| 65 : m_first(first) | |
| 66 , m_second(second) | |
| 67 , m_identicalValuesPolicy(identicalValuesPolicy) { } | |
| 68 | |
| 69 static String generateCSSString(const String& first, const String& second, I
denticalValuesPolicy identicalValuesPolicy) | |
| 70 { | |
| 71 if (identicalValuesPolicy == DropIdenticalValues && first == second) | |
| 72 return first; | |
| 73 return first + ' ' + second; | |
| 74 } | |
| 75 | |
| 76 RefPtrWillBeMember<CSSPrimitiveValue> m_first; | |
| 77 RefPtrWillBeMember<CSSPrimitiveValue> m_second; | |
| 78 IdenticalValuesPolicy m_identicalValuesPolicy; | |
| 79 }; | |
| 80 | |
| 81 } // namespace | |
| 82 | |
| 83 #endif | |
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Chromium Code Reviews
Issue 1317523002:
Changed Pair to be a CSSValue (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@add_const_to_primvalue