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1 /* | 1 /* |
2 * CSS Media Query | 2 * CSS Media Query |
3 * | 3 * |
4 * Copyright (C) 2005, 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>. | 4 * Copyright (C) 2005, 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>. |
5 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). | 5 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
6 * | 6 * |
7 * Redistribution and use in source and binary forms, with or without | 7 * Redistribution and use in source and binary forms, with or without |
8 * modification, are permitted provided that the following conditions | 8 * modification, are permitted provided that the following conditions |
9 * are met: | 9 * are met: |
10 * 1. Redistributions of source code must retain the above copyright | 10 * 1. Redistributions of source code must retain the above copyright |
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22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 */ | 27 */ |
28 | 28 |
29 #include "config.h" | 29 #include "config.h" |
30 #include "core/css/MediaQuery.h" | 30 #include "core/css/MediaQuery.h" |
31 | 31 |
32 #include "MediaTypeNames.h" | |
32 #include "core/css/MediaQueryExp.h" | 33 #include "core/css/MediaQueryExp.h" |
34 #include "core/html/parser/HTMLParserIdioms.h" | |
33 #include "wtf/NonCopyingSort.h" | 35 #include "wtf/NonCopyingSort.h" |
34 #include "wtf/text/StringBuilder.h" | 36 #include "wtf/text/StringBuilder.h" |
35 | 37 |
36 namespace WebCore { | 38 namespace WebCore { |
37 | 39 |
38 // http://dev.w3.org/csswg/cssom/#serialize-a-media-query | 40 // http://dev.w3.org/csswg/cssom/#serialize-a-media-query |
39 String MediaQuery::serialize() const | 41 String MediaQuery::serialize() const |
40 { | 42 { |
41 StringBuilder result; | 43 StringBuilder result; |
42 switch (m_restrictor) { | 44 switch (m_restrictor) { |
43 case MediaQuery::Only: | 45 case MediaQuery::Only: |
44 result.append("only "); | 46 result.append("only "); |
45 break; | 47 break; |
46 case MediaQuery::Not: | 48 case MediaQuery::Not: |
47 result.append("not "); | 49 result.append("not "); |
48 break; | 50 break; |
49 case MediaQuery::None: | 51 case MediaQuery::None: |
50 break; | 52 break; |
51 } | 53 } |
52 | 54 |
53 if (m_expressions->isEmpty()) { | 55 if (m_expressions->isEmpty()) { |
54 result.append(m_mediaType); | 56 result.append(m_mediaType); |
55 return result.toString(); | 57 return result.toString(); |
56 } | 58 } |
57 | 59 |
58 if (m_mediaType != "all" || m_restrictor != None) { | 60 if (m_mediaType != MediaTypeNames::all || m_restrictor != None) { |
59 result.append(m_mediaType); | 61 result.append(m_mediaType); |
60 result.append(" and "); | 62 result.append(" and "); |
61 } | 63 } |
62 | 64 |
63 result.append(m_expressions->at(0)->serialize()); | 65 result.append(m_expressions->at(0)->serialize()); |
64 for (size_t i = 1; i < m_expressions->size(); ++i) { | 66 for (size_t i = 1; i < m_expressions->size(); ++i) { |
65 result.append(" and "); | 67 result.append(" and "); |
66 result.append(m_expressions->at(i)->serialize()); | 68 result.append(m_expressions->at(i)->serialize()); |
67 } | 69 } |
68 return result.toString(); | 70 return result.toString(); |
69 } | 71 } |
70 | 72 |
71 static bool expressionCompare(const OwnPtrWillBeMember<MediaQueryExp>& a, const OwnPtrWillBeMember<MediaQueryExp>& b) | 73 static bool expressionCompare(const OwnPtrWillBeMember<MediaQueryExp>& a, const OwnPtrWillBeMember<MediaQueryExp>& b) |
72 { | 74 { |
73 return codePointCompare(a->serialize(), b->serialize()) < 0; | 75 return codePointCompare(a->serialize(), b->serialize()) < 0; |
74 } | 76 } |
75 | 77 |
76 MediaQuery::MediaQuery(Restrictor r, const AtomicString& mediaType, PassOwnPtrWi llBeRawPtr<ExpressionHeapVector> expressions) | 78 MediaQuery::MediaQuery(Restrictor r, const String& mediaType, PassOwnPtrWillBeRa wPtr<ExpressionHeapVector> expressions) |
77 : m_restrictor(r) | 79 : m_restrictor(r) |
78 , m_mediaType(mediaType.lower()) | 80 , m_mediaType(attemptStaticStringCreation(mediaType.lower())) |
79 , m_expressions(expressions) | 81 , m_expressions(expressions) |
80 { | 82 { |
81 if (!m_expressions) { | 83 if (!m_expressions) { |
82 m_expressions = adoptPtrWillBeNoop(new ExpressionHeapVector); | 84 m_expressions = adoptPtrWillBeNoop(new ExpressionHeapVector); |
83 return; | 85 return; |
84 } | 86 } |
85 | 87 |
86 nonCopyingSort(m_expressions->begin(), m_expressions->end(), expressionCompa re); | 88 nonCopyingSort(m_expressions->begin(), m_expressions->end(), expressionCompa re); |
87 | 89 |
88 // Remove all duplicated expressions. | 90 // Remove all duplicated expressions. |
89 MediaQueryExp* key = 0; | 91 MediaQueryExp* key = 0; |
90 for (int i = m_expressions->size() - 1; i >= 0; --i) { | 92 for (int i = m_expressions->size() - 1; i >= 0; --i) { |
91 MediaQueryExp* exp = m_expressions->at(i).get(); | 93 MediaQueryExp* exp = m_expressions->at(i).get(); |
92 | 94 |
93 if (key && *exp == *key) | 95 if (key && *exp == *key) |
94 m_expressions->remove(i); | 96 m_expressions->remove(i); |
95 else | 97 else |
96 key = exp; | 98 key = exp; |
97 } | 99 } |
98 } | 100 } |
99 | 101 |
100 MediaQuery::MediaQuery(const MediaQuery& o) | 102 MediaQuery::MediaQuery(const MediaQuery& o) |
101 : m_restrictor(o.m_restrictor) | 103 : m_restrictor(o.m_restrictor) |
102 , m_mediaType(o.m_mediaType) | 104 , m_mediaType(o.m_mediaType.impl()) |
abarth-chromium
2014/03/06 08:03:57
Why is this needed? Normally you can assign one s
| |
103 , m_expressions(adoptPtrWillBeNoop(new ExpressionHeapVector(o.m_expressions- >size()))) | 105 , m_expressions(adoptPtrWillBeNoop(new ExpressionHeapVector(o.m_expressions- >size()))) |
104 , m_serializationCache(o.m_serializationCache) | 106 , m_serializationCache(o.m_serializationCache) |
105 { | 107 { |
106 for (unsigned i = 0; i < m_expressions->size(); ++i) | 108 for (unsigned i = 0; i < m_expressions->size(); ++i) |
107 (*m_expressions)[i] = o.m_expressions->at(i)->copy(); | 109 (*m_expressions)[i] = o.m_expressions->at(i)->copy(); |
108 } | 110 } |
109 | 111 |
110 MediaQuery::~MediaQuery() | 112 MediaQuery::~MediaQuery() |
111 { | 113 { |
112 } | 114 } |
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129 void MediaQuery::trace(Visitor* visitor) | 131 void MediaQuery::trace(Visitor* visitor) |
130 { | 132 { |
131 // We don't support tracing of vectors of OwnPtrs (ie. OwnPtr<Vector<OwnPtr< MediaQuery> > >). | 133 // We don't support tracing of vectors of OwnPtrs (ie. OwnPtr<Vector<OwnPtr< MediaQuery> > >). |
132 // Since this is a transitional object we are just ifdef'ing it out when oil pan is not enabled. | 134 // Since this is a transitional object we are just ifdef'ing it out when oil pan is not enabled. |
133 #if ENABLE(OILPAN) | 135 #if ENABLE(OILPAN) |
134 visitor->trace(m_expressions); | 136 visitor->trace(m_expressions); |
135 #endif | 137 #endif |
136 } | 138 } |
137 | 139 |
138 } | 140 } |
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