Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 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/css/CSSPrimitiveValue.h" |
Ben Murdoch | e69819b | 2013-07-17 14:56:49 +0100 | [diff] [blame] | 25 | #include "wtf/PassRefPtr.h" |
| 26 | #include "wtf/RefCounted.h" |
| 27 | #include "wtf/text/StringBuilder.h" |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 28 | |
| 29 | namespace WebCore { |
| 30 | |
| 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 : public RefCounted<Pair> { |
| 36 | public: |
Torne (Richard Coles) | 06f816c | 2013-09-26 13:25:12 +0100 | [diff] [blame^] | 37 | enum IdenticalValuesPolicy { DropIdenticalValues, KeepIdenticalValues }; |
| 38 | |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 39 | static PassRefPtr<Pair> create() |
| 40 | { |
| 41 | return adoptRef(new Pair); |
| 42 | } |
Torne (Richard Coles) | 06f816c | 2013-09-26 13:25:12 +0100 | [diff] [blame^] | 43 | static PassRefPtr<Pair> create(PassRefPtr<CSSPrimitiveValue> first, PassRefPtr<CSSPrimitiveValue> second, IdenticalValuesPolicy identicalValuesPolicy) |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 44 | { |
Torne (Richard Coles) | 06f816c | 2013-09-26 13:25:12 +0100 | [diff] [blame^] | 45 | return adoptRef(new Pair(first, second, identicalValuesPolicy)); |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 46 | } |
| 47 | virtual ~Pair() { } |
| 48 | |
| 49 | CSSPrimitiveValue* first() const { return m_first.get(); } |
| 50 | CSSPrimitiveValue* second() const { return m_second.get(); } |
Torne (Richard Coles) | 06f816c | 2013-09-26 13:25:12 +0100 | [diff] [blame^] | 51 | IdenticalValuesPolicy identicalValuesPolicy() const { return m_identicalValuesPolicy; } |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 52 | |
| 53 | void setFirst(PassRefPtr<CSSPrimitiveValue> first) { m_first = first; } |
| 54 | void setSecond(PassRefPtr<CSSPrimitiveValue> second) { m_second = second; } |
Torne (Richard Coles) | 06f816c | 2013-09-26 13:25:12 +0100 | [diff] [blame^] | 55 | void setIdenticalValuesPolicy(IdenticalValuesPolicy identicalValuesPolicy) { m_identicalValuesPolicy = identicalValuesPolicy; } |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 56 | |
| 57 | String cssText() const |
| 58 | { |
Torne (Richard Coles) | 06f816c | 2013-09-26 13:25:12 +0100 | [diff] [blame^] | 59 | return generateCSSString(first()->cssText(), second()->cssText(), m_identicalValuesPolicy); |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 60 | } |
| 61 | |
Torne (Richard Coles) | 06f816c | 2013-09-26 13:25:12 +0100 | [diff] [blame^] | 62 | bool equals(const Pair& other) const |
| 63 | { |
| 64 | return compareCSSValuePtr(m_first, other.m_first) |
| 65 | && compareCSSValuePtr(m_second, other.m_second) |
| 66 | && m_identicalValuesPolicy == other.m_identicalValuesPolicy; |
| 67 | } |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 68 | |
| 69 | String serializeResolvingVariables(const HashMap<AtomicString, String>& variables) const |
| 70 | { |
Torne (Richard Coles) | 06f816c | 2013-09-26 13:25:12 +0100 | [diff] [blame^] | 71 | return generateCSSString( |
| 72 | first()->customSerializeResolvingVariables(variables), |
| 73 | second()->customSerializeResolvingVariables(variables), |
| 74 | m_identicalValuesPolicy); |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 75 | } |
Ben Murdoch | 02772c6 | 2013-07-26 10:21:05 +0100 | [diff] [blame] | 76 | |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 77 | bool hasVariableReference() const { return first()->hasVariableReference() || second()->hasVariableReference(); } |
| 78 | |
| 79 | private: |
Torne (Richard Coles) | 06f816c | 2013-09-26 13:25:12 +0100 | [diff] [blame^] | 80 | Pair() |
| 81 | : m_first(0) |
| 82 | , m_second(0) |
| 83 | , m_identicalValuesPolicy(DropIdenticalValues) { } |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 84 | |
Torne (Richard Coles) | 06f816c | 2013-09-26 13:25:12 +0100 | [diff] [blame^] | 85 | Pair(PassRefPtr<CSSPrimitiveValue> first, PassRefPtr<CSSPrimitiveValue> second, IdenticalValuesPolicy identicalValuesPolicy) |
| 86 | : m_first(first) |
| 87 | , m_second(second) |
| 88 | , m_identicalValuesPolicy(identicalValuesPolicy) { } |
| 89 | |
| 90 | static String generateCSSString(const String& first, const String& second, IdenticalValuesPolicy identicalValuesPolicy) |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 91 | { |
Torne (Richard Coles) | 06f816c | 2013-09-26 13:25:12 +0100 | [diff] [blame^] | 92 | if (identicalValuesPolicy == DropIdenticalValues && first == second) |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 93 | return first; |
| 94 | return first + ' ' + second; |
| 95 | } |
| 96 | |
| 97 | RefPtr<CSSPrimitiveValue> m_first; |
| 98 | RefPtr<CSSPrimitiveValue> m_second; |
Torne (Richard Coles) | 06f816c | 2013-09-26 13:25:12 +0100 | [diff] [blame^] | 99 | IdenticalValuesPolicy m_identicalValuesPolicy; |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 100 | }; |
| 101 | |
| 102 | } // namespace |
| 103 | |
| 104 | #endif |