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1 /* | 1 /* |
2 * CSS Media Query Evaluator | 2 * CSS Media Query Evaluator |
3 * | 3 * |
4 * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>. | 4 * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>. |
5 * Copyright (C) 2013 Apple Inc. All rights reserved. | 5 * Copyright (C) 2013 Apple Inc. All rights reserved. |
6 * Copyright (C) 2013 Intel Corporation. All rights reserved. | 6 * Copyright (C) 2013 Intel Corporation. All rights reserved. |
7 * | 7 * |
8 * Redistribution and use in source and binary forms, with or without | 8 * Redistribution and use in source and binary forms, with or without |
9 * modification, are permitted provided that the following conditions | 9 * modification, are permitted provided that the following conditions |
10 * are met: | 10 * are met: |
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63 typedef HashMap<StringImpl*, EvalFunc> FunctionMap; | 63 typedef HashMap<StringImpl*, EvalFunc> FunctionMap; |
64 static FunctionMap* gFunctionMap; | 64 static FunctionMap* gFunctionMap; |
65 | 65 |
66 MediaQueryEvaluator::MediaQueryEvaluator(bool mediaFeatureResult) | 66 MediaQueryEvaluator::MediaQueryEvaluator(bool mediaFeatureResult) |
67 : m_frame(0) | 67 : m_frame(0) |
68 , m_style(nullptr) | 68 , m_style(nullptr) |
69 , m_expResult(mediaFeatureResult) | 69 , m_expResult(mediaFeatureResult) |
70 { | 70 { |
71 } | 71 } |
72 | 72 |
73 MediaQueryEvaluator::MediaQueryEvaluator(const AtomicString& acceptedMediaType, bool mediaFeatureResult) | 73 MediaQueryEvaluator::MediaQueryEvaluator(const String& acceptedMediaType, bool m ediaFeatureResult) |
74 : m_mediaType(acceptedMediaType) | 74 : m_mediaType(acceptedMediaType) |
75 , m_frame(0) | 75 , m_frame(0) |
76 , m_style(nullptr) | 76 , m_style(nullptr) |
77 , m_expResult(mediaFeatureResult) | 77 , m_expResult(mediaFeatureResult) |
78 { | 78 { |
79 } | 79 } |
80 | 80 |
81 MediaQueryEvaluator::MediaQueryEvaluator(const char* acceptedMediaType, bool med iaFeatureResult) | 81 MediaQueryEvaluator::MediaQueryEvaluator(const char* acceptedMediaType, bool med iaFeatureResult) |
82 : m_mediaType(acceptedMediaType) | 82 : m_mediaType(acceptedMediaType) |
83 , m_frame(0) | 83 , m_frame(0) |
84 , m_style(nullptr) | 84 , m_style(nullptr) |
85 , m_expResult(mediaFeatureResult) | 85 , m_expResult(mediaFeatureResult) |
86 { | 86 { |
87 } | 87 } |
88 | 88 |
89 MediaQueryEvaluator::MediaQueryEvaluator(const AtomicString& acceptedMediaType, LocalFrame* frame, RenderStyle* style) | 89 MediaQueryEvaluator::MediaQueryEvaluator(const String& acceptedMediaType, LocalF rame* frame, RenderStyle* style) |
90 : m_mediaType(acceptedMediaType) | 90 : m_mediaType(acceptedMediaType) |
91 , m_frame(frame) | 91 , m_frame(frame) |
92 , m_style(style) | 92 , m_style(style) |
93 , m_expResult(false) // Doesn't matter when we have m_frame and m_style. | 93 , m_expResult(false) // Doesn't matter when we have m_frame and m_style. |
94 { | 94 { |
95 } | 95 } |
96 | 96 |
97 MediaQueryEvaluator::~MediaQueryEvaluator() | 97 MediaQueryEvaluator::~MediaQueryEvaluator() |
98 { | 98 { |
99 } | 99 } |
100 | 100 |
101 bool MediaQueryEvaluator::mediaTypeMatch(const AtomicString& mediaTypeToMatch) c onst | 101 bool MediaQueryEvaluator::mediaTypeMatch(const String& mediaTypeToMatch) const |
102 { | 102 { |
103 return mediaTypeToMatch.isEmpty() | 103 return mediaTypeToMatch.isEmpty() |
104 || equalIgnoringCase(mediaTypeToMatch, "all") | 104 || equalIgnoringCase(mediaTypeToMatch, "all") |
105 || equalIgnoringCase(mediaTypeToMatch, m_mediaType); | 105 || equalIgnoringCase(mediaTypeToMatch, m_mediaType); |
106 } | 106 } |
107 | 107 |
108 bool MediaQueryEvaluator::mediaTypeMatchSpecific(const char* mediaTypeToMatch) c onst | 108 bool MediaQueryEvaluator::mediaTypeMatchSpecific(const char* mediaTypeToMatch) c onst |
109 { | 109 { |
110 // Like mediaTypeMatch, but without the special cases for "" and "all". | 110 // Like mediaTypeMatch, but without the special cases for "" and "all". |
111 ASSERT(mediaTypeToMatch); | 111 ASSERT(mediaTypeToMatch); |
112 ASSERT(mediaTypeToMatch[0] != '\0'); | 112 ASSERT(mediaTypeToMatch[0] != '\0'); |
113 ASSERT(!equalIgnoringCase(mediaTypeToMatch, AtomicString("all"))); | 113 ASSERT(!equalIgnoringCase(mediaTypeToMatch, String("all"))); |
abarth-chromium
2014/03/06 08:03:57
Didn't you create a static string for all? We sho
| |
114 return equalIgnoringCase(mediaTypeToMatch, m_mediaType); | 114 return equalIgnoringCase(mediaTypeToMatch, m_mediaType); |
115 } | 115 } |
116 | 116 |
117 static bool applyRestrictor(MediaQuery::Restrictor r, bool value) | 117 static bool applyRestrictor(MediaQuery::Restrictor r, bool value) |
118 { | 118 { |
119 return r == MediaQuery::Not ? !value : value; | 119 return r == MediaQuery::Not ? !value : value; |
120 } | 120 } |
121 | 121 |
122 bool MediaQueryEvaluator::eval(const MediaQuerySet* querySet, MediaQueryResultLi st* viewportDependentMediaQueryResults) const | 122 bool MediaQueryEvaluator::eval(const MediaQuerySet* querySet, MediaQueryResultLi st* viewportDependentMediaQueryResults) const |
123 { | 123 { |
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691 // Call the media feature evaluation function. Assume no prefix and let | 691 // Call the media feature evaluation function. Assume no prefix and let |
692 // trampoline functions override the prefix if prefix is used. | 692 // trampoline functions override the prefix if prefix is used. |
693 EvalFunc func = gFunctionMap->get(expr->mediaFeature().impl()); | 693 EvalFunc func = gFunctionMap->get(expr->mediaFeature().impl()); |
694 if (func) | 694 if (func) |
695 return func(expr->value(), m_style.get(), m_frame, NoPrefix); | 695 return func(expr->value(), m_style.get(), m_frame, NoPrefix); |
696 | 696 |
697 return false; | 697 return false; |
698 } | 698 } |
699 | 699 |
700 } // namespace | 700 } // namespace |
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