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1 /* | 1 /* |
2 * CSS Media Query | 2 * CSS Media Query |
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) 2010 Nokia Corporation and/or its subsidiary(-ies). | 5 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
6 * Copyright (C) 2013 Apple Inc. All rights reserved. | 6 * Copyright (C) 2013 Apple Inc. 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: |
(...skipping 16 matching lines...) Expand all Loading... | |
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 */ | 28 */ |
29 | 29 |
30 #include "config.h" | 30 #include "config.h" |
31 #include "core/css/MediaQueryExp.h" | 31 #include "core/css/MediaQueryExp.h" |
32 | 32 |
33 #include "CSSValueKeywords.h" | 33 #include "CSSValueKeywords.h" |
34 #include "core/css/CSSAspectRatioValue.h" | 34 #include "core/css/CSSAspectRatioValue.h" |
35 #include "core/css/parser/BisonCSSParser.h" | 35 #include "core/css/parser/BisonCSSParser.h" |
36 #include "core/css/CSSPrimitiveValue.h" | 36 #include "core/css/CSSPrimitiveValue.h" |
37 #include "core/html/parser/HTMLParserIdioms.h" | |
37 #include "wtf/text/StringBuilder.h" | 38 #include "wtf/text/StringBuilder.h" |
38 | 39 |
39 namespace WebCore { | 40 namespace WebCore { |
40 | 41 |
41 static inline bool featureWithCSSValueID(const AtomicString& mediaFeature, const CSSParserValue* value) | 42 static inline bool featureWithCSSValueID(const unsigned mediaFeatureHash, const CSSParserValue* value) |
42 { | 43 { |
44 // FIXME - We have no more IDs, since the CSSValuePool is a singleton!!! | |
43 if (!value->id) | 45 if (!value->id) |
44 return false; | 46 return false; |
45 | 47 |
46 return mediaFeature == MediaFeatureNames::orientationMediaFeature | 48 return mediaFeatureHash == MediaFeatureNames::orientationMediaFeature.impl() ->existingHash() |
eseidel
2014/02/26 10:18:41
Consider writing an hashEquals() helper which take
| |
47 || mediaFeature == MediaFeatureNames::viewModeMediaFeature | 49 || mediaFeatureHash == MediaFeatureNames::viewModeMediaFeature.impl()->e xistingHash() |
48 || mediaFeature == MediaFeatureNames::pointerMediaFeature | 50 || mediaFeatureHash == MediaFeatureNames::pointerMediaFeature.impl()->ex istingHash() |
49 || mediaFeature == MediaFeatureNames::scanMediaFeature; | 51 || mediaFeatureHash == MediaFeatureNames::scanMediaFeature.impl()->exist ingHash(); |
50 } | 52 } |
51 | 53 |
52 static inline bool featureWithValidIdent(const AtomicString& mediaFeature, CSSVa lueID ident) | 54 static inline bool featureWithValidIdent(const unsigned mediaFeatureHash, CSSVal ueID ident) |
53 { | 55 { |
54 if (mediaFeature == MediaFeatureNames::orientationMediaFeature) | 56 if (mediaFeatureHash == MediaFeatureNames::orientationMediaFeature.impl()->e xistingHash()) |
55 return ident == CSSValuePortrait || ident == CSSValueLandscape; | 57 return ident == CSSValuePortrait || ident == CSSValueLandscape; |
56 | 58 |
57 if (mediaFeature == MediaFeatureNames::viewModeMediaFeature) { | 59 if (mediaFeatureHash == MediaFeatureNames::viewModeMediaFeature.impl()->exis tingHash()) { |
58 switch (ident) { | 60 switch (ident) { |
59 case CSSValueWindowed: | 61 case CSSValueWindowed: |
60 case CSSValueFloating: | 62 case CSSValueFloating: |
61 case CSSValueFullscreen: | 63 case CSSValueFullscreen: |
62 case CSSValueMaximized: | 64 case CSSValueMaximized: |
63 case CSSValueMinimized: | 65 case CSSValueMinimized: |
64 return true; | 66 return true; |
65 default: | 67 default: |
66 return false; | 68 return false; |
67 } | 69 } |
68 } | 70 } |
69 | 71 |
70 if (mediaFeature == MediaFeatureNames::pointerMediaFeature) | 72 if (mediaFeatureHash == MediaFeatureNames::pointerMediaFeature.impl()->exist ingHash()) |
71 return ident == CSSValueNone || ident == CSSValueCoarse || ident == CSSV alueFine; | 73 return ident == CSSValueNone || ident == CSSValueCoarse || ident == CSSV alueFine; |
72 | 74 |
73 if (mediaFeature == MediaFeatureNames::scanMediaFeature) | 75 if (mediaFeatureHash == MediaFeatureNames::scanMediaFeature.impl()->existing Hash()) |
74 return ident == CSSValueInterlace || ident == CSSValueProgressive; | 76 return ident == CSSValueInterlace || ident == CSSValueProgressive; |
75 | 77 |
76 ASSERT_NOT_REACHED(); | 78 ASSERT_NOT_REACHED(); |
77 return false; | 79 return false; |
78 } | 80 } |
79 | 81 |
80 static inline bool featureWithValidPositiveLenghtOrNumber(const AtomicString& me diaFeature, const CSSParserValue* value) | 82 static inline bool featureWithValidPositiveLengthOrNumber(const unsigned mediaFe atureHash, const CSSParserValue* value) |
81 { | 83 { |
82 if (!(((value->unit >= CSSPrimitiveValue::CSS_EMS && value->unit <= CSSPrimi tiveValue::CSS_PC) || value->unit == CSSPrimitiveValue::CSS_REMS) || value->unit == CSSPrimitiveValue::CSS_NUMBER) || value->fValue < 0) | 84 if (!(((value->unit >= CSSPrimitiveValue::CSS_PERCENTAGE && value->unit <= C SSPrimitiveValue::CSS_PC) || value->unit == CSSPrimitiveValue::CSS_REMS) || valu e->unit == CSSPrimitiveValue::CSS_NUMBER) || value->fValue < 0) |
83 return false; | 85 return false; |
84 | 86 |
85 return mediaFeature == MediaFeatureNames::heightMediaFeature | 87 |
86 || mediaFeature == MediaFeatureNames::maxHeightMediaFeature | 88 return mediaFeatureHash == MediaFeatureNames::heightMediaFeature.impl()->exi stingHash() |
87 || mediaFeature == MediaFeatureNames::minHeightMediaFeature | 89 || mediaFeatureHash == MediaFeatureNames::maxHeightMediaFeature.impl()-> existingHash() |
88 || mediaFeature == MediaFeatureNames::widthMediaFeature | 90 || mediaFeatureHash == MediaFeatureNames::minHeightMediaFeature.impl()-> existingHash() |
89 || mediaFeature == MediaFeatureNames::maxWidthMediaFeature | 91 || mediaFeatureHash == MediaFeatureNames::widthMediaFeature.impl()->exis tingHash() |
90 || mediaFeature == MediaFeatureNames::minWidthMediaFeature | 92 || mediaFeatureHash == MediaFeatureNames::maxWidthMediaFeature.impl()->e xistingHash() |
91 || mediaFeature == MediaFeatureNames::deviceHeightMediaFeature | 93 || mediaFeatureHash == MediaFeatureNames::minWidthMediaFeature.impl()->e xistingHash() |
92 || mediaFeature == MediaFeatureNames::maxDeviceHeightMediaFeature | 94 || mediaFeatureHash == MediaFeatureNames::deviceHeightMediaFeature.impl( )->existingHash() |
93 || mediaFeature == MediaFeatureNames::minDeviceHeightMediaFeature | 95 || mediaFeatureHash == MediaFeatureNames::maxDeviceHeightMediaFeature.im pl()->existingHash() |
94 || mediaFeature == MediaFeatureNames::deviceWidthMediaFeature | 96 || mediaFeatureHash == MediaFeatureNames::minDeviceHeightMediaFeature.im pl()->existingHash() |
95 || mediaFeature == MediaFeatureNames::maxDeviceWidthMediaFeature | 97 || mediaFeatureHash == MediaFeatureNames::deviceWidthMediaFeature.impl() ->existingHash() |
96 || mediaFeature == MediaFeatureNames::minDeviceWidthMediaFeature; | 98 || mediaFeatureHash == MediaFeatureNames::maxDeviceWidthMediaFeature.imp l()->existingHash() |
99 || mediaFeatureHash == MediaFeatureNames::minDeviceWidthMediaFeature.imp l()->existingHash(); | |
97 } | 100 } |
98 | 101 |
99 static inline bool featureWithValidDensity(const AtomicString& mediaFeature, con st CSSParserValue* value) | 102 static inline bool featureWithValidDensity(const unsigned mediaFeatureHash, cons t CSSParserValue* value) |
100 { | 103 { |
101 if ((value->unit != CSSPrimitiveValue::CSS_DPPX && value->unit != CSSPrimiti veValue::CSS_DPI && value->unit != CSSPrimitiveValue::CSS_DPCM) || value->fValue <= 0) | 104 if ((value->unit != CSSPrimitiveValue::CSS_DPPX && value->unit != CSSPrimiti veValue::CSS_DPI && value->unit != CSSPrimitiveValue::CSS_DPCM) || value->fValue <= 0) |
102 return false; | 105 return false; |
103 | 106 |
104 return mediaFeature == MediaFeatureNames::resolutionMediaFeature | 107 return mediaFeatureHash == MediaFeatureNames::resolutionMediaFeature.impl()- >existingHash() |
105 || mediaFeature == MediaFeatureNames::maxResolutionMediaFeature | 108 || mediaFeatureHash == MediaFeatureNames::maxResolutionMediaFeature.impl ()->existingHash() |
106 || mediaFeature == MediaFeatureNames::minResolutionMediaFeature; | 109 || mediaFeatureHash == MediaFeatureNames::minResolutionMediaFeature.impl ()->existingHash(); |
107 } | 110 } |
108 | 111 |
109 static inline bool featureWithPositiveInteger(const AtomicString& mediaFeature, const CSSParserValue* value) | 112 static inline bool featureWithPositiveInteger(const unsigned mediaFeatureHash, c onst CSSParserValue* value) |
110 { | 113 { |
111 if (!value->isInt || value->fValue < 0) | 114 if (!value->isInt || value->fValue < 0) |
112 return false; | 115 return false; |
113 | 116 |
114 return mediaFeature == MediaFeatureNames::colorMediaFeature | 117 return mediaFeatureHash == MediaFeatureNames::colorMediaFeature.impl()->exis tingHash() |
115 || mediaFeature == MediaFeatureNames::maxColorMediaFeature | 118 || mediaFeatureHash == MediaFeatureNames::maxColorMediaFeature.impl()->e xistingHash() |
116 || mediaFeature == MediaFeatureNames::minColorMediaFeature | 119 || mediaFeatureHash == MediaFeatureNames::minColorMediaFeature.impl()->e xistingHash() |
117 || mediaFeature == MediaFeatureNames::colorIndexMediaFeature | 120 || mediaFeatureHash == MediaFeatureNames::colorIndexMediaFeature.impl()- >existingHash() |
118 || mediaFeature == MediaFeatureNames::maxColorIndexMediaFeature | 121 || mediaFeatureHash == MediaFeatureNames::maxColorIndexMediaFeature.impl ()->existingHash() |
119 || mediaFeature == MediaFeatureNames::minColorIndexMediaFeature | 122 || mediaFeatureHash == MediaFeatureNames::minColorIndexMediaFeature.impl ()->existingHash() |
120 || mediaFeature == MediaFeatureNames::monochromeMediaFeature | 123 || mediaFeatureHash == MediaFeatureNames::monochromeMediaFeature.impl()- >existingHash() |
121 || mediaFeature == MediaFeatureNames::minMonochromeMediaFeature | 124 || mediaFeatureHash == MediaFeatureNames::minMonochromeMediaFeature.impl ()->existingHash() |
122 || mediaFeature == MediaFeatureNames::maxMonochromeMediaFeature; | 125 || mediaFeatureHash == MediaFeatureNames::maxMonochromeMediaFeature.impl ()->existingHash(); |
123 } | 126 } |
124 | 127 |
125 static inline bool featureWithPositiveNumber(const AtomicString& mediaFeature, c onst CSSParserValue* value) | 128 static inline bool featureWithPositiveNumber(const unsigned mediaFeatureHash, co nst CSSParserValue* value) |
126 { | 129 { |
127 if (value->unit != CSSPrimitiveValue::CSS_NUMBER || value->fValue < 0) | 130 if (value->unit != CSSPrimitiveValue::CSS_NUMBER || value->fValue < 0) |
128 return false; | 131 return false; |
129 | 132 |
130 return mediaFeature == MediaFeatureNames::transform2dMediaFeature | 133 return mediaFeatureHash == MediaFeatureNames::transform2dMediaFeature.impl() ->existingHash() |
131 || mediaFeature == MediaFeatureNames::transform3dMediaFeature | 134 || mediaFeatureHash == MediaFeatureNames::transform3dMediaFeature.impl() ->existingHash() |
132 || mediaFeature == MediaFeatureNames::animationMediaFeature | 135 || mediaFeatureHash == MediaFeatureNames::animationMediaFeature.impl()-> existingHash() |
133 || mediaFeature == MediaFeatureNames::devicePixelRatioMediaFeature | 136 || mediaFeatureHash == MediaFeatureNames::devicePixelRatioMediaFeature.i mpl()->existingHash() |
134 || mediaFeature == MediaFeatureNames::maxDevicePixelRatioMediaFeature | 137 || mediaFeatureHash == MediaFeatureNames::maxDevicePixelRatioMediaFeatur e.impl()->existingHash() |
135 || mediaFeature == MediaFeatureNames::minDevicePixelRatioMediaFeature; | 138 || mediaFeatureHash == MediaFeatureNames::minDevicePixelRatioMediaFeatur e.impl()->existingHash(); |
136 } | 139 } |
137 | 140 |
138 static inline bool featureWithZeroOrOne(const AtomicString& mediaFeature, const CSSParserValue* value) | 141 static inline bool featureWithZeroOrOne(const unsigned mediaFeatureHash, const C SSParserValue* value) |
139 { | 142 { |
140 if (!value->isInt || !(value->fValue == 1 || !value->fValue)) | 143 if (!value->isInt || !(value->fValue == 1 || !value->fValue)) |
141 return false; | 144 return false; |
142 | 145 |
143 return mediaFeature == MediaFeatureNames::gridMediaFeature | 146 return mediaFeatureHash == MediaFeatureNames::gridMediaFeature.impl()->exist ingHash() |
144 || mediaFeature == MediaFeatureNames::hoverMediaFeature; | 147 || mediaFeatureHash == MediaFeatureNames::hoverMediaFeature.impl()->exis tingHash(); |
145 } | 148 } |
146 | 149 |
147 static inline bool featureWithAspectRatio(const AtomicString& mediaFeature) | 150 static inline bool featureWithAspectRatio(const unsigned mediaFeatureHash) |
148 { | 151 { |
149 return mediaFeature == MediaFeatureNames::aspectRatioMediaFeature | 152 return mediaFeatureHash == MediaFeatureNames::aspectRatioMediaFeature.impl() ->existingHash() |
150 || mediaFeature == MediaFeatureNames::deviceAspectRatioMediaFeature | 153 || mediaFeatureHash == MediaFeatureNames::deviceAspectRatioMediaFeature. impl()->existingHash() |
151 || mediaFeature == MediaFeatureNames::minAspectRatioMediaFeature | 154 || mediaFeatureHash == MediaFeatureNames::minAspectRatioMediaFeature.imp l()->existingHash() |
152 || mediaFeature == MediaFeatureNames::maxAspectRatioMediaFeature | 155 || mediaFeatureHash == MediaFeatureNames::maxAspectRatioMediaFeature.imp l()->existingHash() |
153 || mediaFeature == MediaFeatureNames::minDeviceAspectRatioMediaFeature | 156 || mediaFeatureHash == MediaFeatureNames::minDeviceAspectRatioMediaFeatu re.impl()->existingHash() |
154 || mediaFeature == MediaFeatureNames::maxDeviceAspectRatioMediaFeature; | 157 || mediaFeatureHash == MediaFeatureNames::maxDeviceAspectRatioMediaFeatu re.impl()->existingHash(); |
155 } | 158 } |
156 | 159 |
157 static inline bool featureWithoutValue(const AtomicString& mediaFeature) | 160 static inline bool featureWithoutValue(const unsigned mediaFeatureHash) |
158 { | 161 { |
159 // Media features that are prefixed by min/max cannot be used without a valu e. | 162 // Media features that are prefixed by min/max cannot be used without a valu e. |
160 return mediaFeature == MediaFeatureNames::monochromeMediaFeature | 163 return mediaFeatureHash == MediaFeatureNames::monochromeMediaFeature.impl()- >existingHash() |
161 || mediaFeature == MediaFeatureNames::colorMediaFeature | 164 || mediaFeatureHash == MediaFeatureNames::colorMediaFeature.impl()->exis tingHash() |
162 || mediaFeature == MediaFeatureNames::colorIndexMediaFeature | 165 || mediaFeatureHash == MediaFeatureNames::colorIndexMediaFeature.impl()- >existingHash() |
163 || mediaFeature == MediaFeatureNames::gridMediaFeature | 166 || mediaFeatureHash == MediaFeatureNames::gridMediaFeature.impl()->exist ingHash() |
164 || mediaFeature == MediaFeatureNames::heightMediaFeature | 167 || mediaFeatureHash == MediaFeatureNames::heightMediaFeature.impl()->exi stingHash() |
165 || mediaFeature == MediaFeatureNames::widthMediaFeature | 168 || mediaFeatureHash == MediaFeatureNames::widthMediaFeature.impl()->exis tingHash() |
166 || mediaFeature == MediaFeatureNames::deviceHeightMediaFeature | 169 || mediaFeatureHash == MediaFeatureNames::deviceHeightMediaFeature.impl( )->existingHash() |
167 || mediaFeature == MediaFeatureNames::deviceWidthMediaFeature | 170 || mediaFeatureHash == MediaFeatureNames::deviceWidthMediaFeature.impl() ->existingHash() |
168 || mediaFeature == MediaFeatureNames::orientationMediaFeature | 171 || mediaFeatureHash == MediaFeatureNames::orientationMediaFeature.impl() ->existingHash() |
169 || mediaFeature == MediaFeatureNames::aspectRatioMediaFeature | 172 || mediaFeatureHash == MediaFeatureNames::aspectRatioMediaFeature.impl() ->existingHash() |
170 || mediaFeature == MediaFeatureNames::deviceAspectRatioMediaFeature | 173 || mediaFeatureHash == MediaFeatureNames::deviceAspectRatioMediaFeature. impl()->existingHash() |
171 || mediaFeature == MediaFeatureNames::hoverMediaFeature | 174 || mediaFeatureHash == MediaFeatureNames::hoverMediaFeature.impl()->exis tingHash() |
172 || mediaFeature == MediaFeatureNames::transform2dMediaFeature | 175 || mediaFeatureHash == MediaFeatureNames::transform2dMediaFeature.impl() ->existingHash() |
173 || mediaFeature == MediaFeatureNames::transform3dMediaFeature | 176 || mediaFeatureHash == MediaFeatureNames::transform3dMediaFeature.impl() ->existingHash() |
174 || mediaFeature == MediaFeatureNames::animationMediaFeature | 177 || mediaFeatureHash == MediaFeatureNames::animationMediaFeature.impl()-> existingHash() |
175 || mediaFeature == MediaFeatureNames::viewModeMediaFeature | 178 || mediaFeatureHash == MediaFeatureNames::viewModeMediaFeature.impl()->e xistingHash() |
176 || mediaFeature == MediaFeatureNames::pointerMediaFeature | 179 || mediaFeatureHash == MediaFeatureNames::pointerMediaFeature.impl()->ex istingHash() |
177 || mediaFeature == MediaFeatureNames::devicePixelRatioMediaFeature | 180 || mediaFeatureHash == MediaFeatureNames::devicePixelRatioMediaFeature.i mpl()->existingHash() |
178 || mediaFeature == MediaFeatureNames::resolutionMediaFeature | 181 || mediaFeatureHash == MediaFeatureNames::resolutionMediaFeature.impl()- >existingHash() |
179 || mediaFeature == MediaFeatureNames::scanMediaFeature; | 182 || mediaFeatureHash == MediaFeatureNames::scanMediaFeature.impl()->exist ingHash(); |
180 } | 183 } |
181 | 184 |
182 bool MediaQueryExp::isViewportDependent() const | 185 bool MediaQueryExp::isViewportDependent() const |
183 { | 186 { |
184 return m_mediaFeature == MediaFeatureNames::widthMediaFeature | 187 return m_mediaFeatureHash == MediaFeatureNames::widthMediaFeature.impl()->ex istingHash() |
185 || m_mediaFeature == MediaFeatureNames::heightMediaFeature | 188 || m_mediaFeatureHash == MediaFeatureNames::heightMediaFeature.impl()->e xistingHash() |
186 || m_mediaFeature == MediaFeatureNames::minWidthMediaFeature | 189 || m_mediaFeatureHash == MediaFeatureNames::minWidthMediaFeature.impl()- >existingHash() |
187 || m_mediaFeature == MediaFeatureNames::minHeightMediaFeature | 190 || m_mediaFeatureHash == MediaFeatureNames::minHeightMediaFeature.impl() ->existingHash() |
188 || m_mediaFeature == MediaFeatureNames::maxWidthMediaFeature | 191 || m_mediaFeatureHash == MediaFeatureNames::maxWidthMediaFeature.impl()- >existingHash() |
189 || m_mediaFeature == MediaFeatureNames::maxHeightMediaFeature | 192 || m_mediaFeatureHash == MediaFeatureNames::maxHeightMediaFeature.impl() ->existingHash() |
190 || m_mediaFeature == MediaFeatureNames::orientationMediaFeature | 193 || m_mediaFeatureHash == MediaFeatureNames::orientationMediaFeature.impl ()->existingHash() |
191 || m_mediaFeature == MediaFeatureNames::aspectRatioMediaFeature | 194 || m_mediaFeatureHash == MediaFeatureNames::aspectRatioMediaFeature.impl ()->existingHash() |
192 || m_mediaFeature == MediaFeatureNames::minAspectRatioMediaFeature | 195 || m_mediaFeatureHash == MediaFeatureNames::minAspectRatioMediaFeature.i mpl()->existingHash() |
193 || m_mediaFeature == MediaFeatureNames::devicePixelRatioMediaFeature | 196 || m_mediaFeatureHash == MediaFeatureNames::devicePixelRatioMediaFeature .impl()->existingHash() |
194 || m_mediaFeature == MediaFeatureNames::resolutionMediaFeature | 197 || m_mediaFeatureHash == MediaFeatureNames::resolutionMediaFeature.impl( )->existingHash() |
195 || m_mediaFeature == MediaFeatureNames::maxAspectRatioMediaFeature; | 198 || m_mediaFeatureHash == MediaFeatureNames::maxAspectRatioMediaFeature.i mpl()->existingHash(); |
196 } | 199 } |
197 | 200 |
198 MediaQueryExp::MediaQueryExp(const AtomicString& mediaFeature, PassRefPtr<CSSVal ue> value) | 201 MediaQueryExp::MediaQueryExp(StringImpl* mediaFeatureImpl, PassRefPtr<CSSValue> value) |
199 : m_mediaFeature(mediaFeature) | 202 : m_mediaFeature(mediaFeatureImpl) |
203 , m_mediaFeatureHash(mediaFeatureImpl->existingHash()) | |
200 , m_value(value) | 204 , m_value(value) |
201 { | 205 { |
202 } | 206 } |
203 | 207 |
204 PassOwnPtr<MediaQueryExp> MediaQueryExp::create(const AtomicString& mediaFeature , CSSParserValueList* valueList) | 208 PassOwnPtr<MediaQueryExp> MediaQueryExp::create(const String& mediaFeature, CSSP arserValueList* valueList) |
205 { | 209 { |
206 RefPtr<CSSValue> cssValue; | 210 RefPtr<CSSValue> cssValue; |
207 bool isValid = false; | 211 bool isValid = false; |
212 String mediaFeatureLower(mediaFeature.lower()); | |
213 mediaFeatureLower.ensure16Bit(); | |
214 StringImpl* mediaFeatureImpl = attemptStaticStringCreation(mediaFeatureLower , Likely8Bit).impl(); | |
215 unsigned mediaFeatureHash = mediaFeatureImpl->existingHash(); | |
208 | 216 |
209 // Create value for media query expression that must have 1 or more values. | 217 // Create value for media query expression that must have 1 or more values. |
210 if (valueList) { | 218 if (valueList && valueList->size() > 0) { |
211 if (valueList->size() == 1) { | 219 if (valueList->size() == 1) { |
212 CSSParserValue* value = valueList->current(); | 220 CSSParserValue* value = valueList->current(); |
213 | 221 |
214 if (featureWithCSSValueID(mediaFeature, value)) { | 222 if (featureWithCSSValueID(mediaFeatureHash, value)) { |
215 // Media features that use CSSValueIDs. | 223 // Media features that use CSSValueIDs. |
216 cssValue = CSSPrimitiveValue::createIdentifier(value->id); | 224 cssValue = CSSPrimitiveValue::createIdentifier(value->id); |
217 if (!featureWithValidIdent(mediaFeature, toCSSPrimitiveValue(css Value.get())->getValueID())) | 225 if (!featureWithValidIdent(mediaFeatureHash, toCSSPrimitiveValue (cssValue.get())->getValueID())) |
218 cssValue.clear(); | 226 cssValue.clear(); |
219 } else if (featureWithValidDensity(mediaFeature, value)) { | 227 } else if (featureWithValidDensity(mediaFeatureHash, value)) { |
220 // Media features that must have non-negative <density>, ie. dpp x, dpi or dpcm. | 228 // Media features that must have non-negative <density>, ie. dpp x, dpi or dpcm. |
221 cssValue = CSSPrimitiveValue::create(value->fValue, (CSSPrimitiv eValue::UnitTypes) value->unit); | 229 cssValue = CSSPrimitiveValue::create(value->fValue, (CSSPrimitiv eValue::UnitTypes) value->unit); |
222 } else if (featureWithValidPositiveLenghtOrNumber(mediaFeature, valu e)) { | 230 } else if (featureWithValidPositiveLengthOrNumber(mediaFeatureHash, value)) { |
223 // Media features that must have non-negative <lenght> or number value. | 231 // Media features that must have non-negative <lenght> or number value. |
224 cssValue = CSSPrimitiveValue::create(value->fValue, (CSSPrimitiv eValue::UnitTypes) value->unit); | 232 cssValue = CSSPrimitiveValue::create(value->fValue, (CSSPrimitiv eValue::UnitTypes) value->unit); |
225 } else if (featureWithPositiveInteger(mediaFeature, value)) { | 233 } else if (featureWithPositiveInteger(mediaFeatureHash, value)) { |
226 // Media features that must have non-negative integer value. | 234 // Media features that must have non-negative integer value. |
227 cssValue = CSSPrimitiveValue::create(value->fValue, CSSPrimitive Value::CSS_NUMBER); | 235 cssValue = CSSPrimitiveValue::create(value->fValue, CSSPrimitive Value::CSS_NUMBER); |
228 } else if (featureWithPositiveNumber(mediaFeature, value)) { | 236 } else if (featureWithPositiveNumber(mediaFeatureHash, value)) { |
229 // Media features that must have non-negative number value. | 237 // Media features that must have non-negative number value. |
230 cssValue = CSSPrimitiveValue::create(value->fValue, CSSPrimitive Value::CSS_NUMBER); | 238 cssValue = CSSPrimitiveValue::create(value->fValue, CSSPrimitive Value::CSS_NUMBER); |
231 } else if (featureWithZeroOrOne(mediaFeature, value)) { | 239 } else if (featureWithZeroOrOne(mediaFeatureHash, value)) { |
232 // Media features that must have (0|1) value. | 240 // Media features that must have (0|1) value. |
233 cssValue = CSSPrimitiveValue::create(value->fValue, CSSPrimitive Value::CSS_NUMBER); | 241 cssValue = CSSPrimitiveValue::create(value->fValue, CSSPrimitive Value::CSS_NUMBER); |
234 } | 242 } |
235 | 243 |
236 isValid = cssValue; | 244 isValid = cssValue; |
237 | 245 |
238 } else if (valueList->size() == 3 && featureWithAspectRatio(mediaFeature )) { | 246 } else if (valueList->size() == 3 && featureWithAspectRatio(mediaFeature Hash)) { |
239 // Create list of values. | 247 // Create list of values. |
240 // Currently accepts only <integer>/<integer>. | 248 // Currently accepts only <integer>/<integer>. |
241 // Applicable to device-aspect-ratio and aspec-ratio. | 249 // Applicable to device-aspect-ratio and aspec-ratio. |
242 isValid = true; | 250 isValid = true; |
243 float numeratorValue = 0; | 251 float numeratorValue = 0; |
244 float denominatorValue = 0; | 252 float denominatorValue = 0; |
245 // The aspect-ratio must be <integer> (whitespace)? / (whitespace)? <integer>. | 253 // The aspect-ratio must be <integer> (whitespace)? / (whitespace)? <integer>. |
246 for (unsigned i = 0; i < 3; ++i, valueList->next()) { | 254 for (unsigned i = 0; i < 3; ++i, valueList->next()) { |
247 const CSSParserValue* value = valueList->current(); | 255 const CSSParserValue* value = valueList->current(); |
248 if (i != 1 && value->unit == CSSPrimitiveValue::CSS_NUMBER && va lue->fValue > 0 && value->isInt) { | 256 if (i != 1 && value->unit == CSSPrimitiveValue::CSS_NUMBER && va lue->fValue > 0 && value->isInt) { |
249 if (!i) | 257 if (!i) |
250 numeratorValue = value->fValue; | 258 numeratorValue = value->fValue; |
251 else | 259 else |
252 denominatorValue = value->fValue; | 260 denominatorValue = value->fValue; |
253 } else if (i == 1 && value->unit == CSSParserValue::Operator && value->iValue == '/') { | 261 } else if (i == 1 && value->unit == CSSParserValue::Operator && value->iValue == '/') { |
254 continue; | 262 continue; |
255 } else { | 263 } else { |
256 isValid = false; | 264 isValid = false; |
257 break; | 265 break; |
258 } | 266 } |
259 } | 267 } |
260 | 268 |
261 if (isValid) | 269 if (isValid) |
262 cssValue = CSSAspectRatioValue::create(numeratorValue, denominat orValue); | 270 cssValue = CSSAspectRatioValue::create(numeratorValue, denominat orValue); |
263 } | 271 } |
264 } else if (featureWithoutValue(mediaFeature)) { | 272 } else if (featureWithoutValue(mediaFeatureHash)) { |
265 isValid = true; | 273 isValid = true; |
266 } | 274 } |
267 | 275 |
268 if (!isValid) | 276 if (!isValid) |
269 return nullptr; | 277 return nullptr; |
270 | 278 |
271 return adoptPtr(new MediaQueryExp(mediaFeature, cssValue)); | 279 return adoptPtr(new MediaQueryExp(mediaFeatureImpl, cssValue)); |
272 } | 280 } |
273 | 281 |
274 MediaQueryExp::~MediaQueryExp() | 282 MediaQueryExp::~MediaQueryExp() |
275 { | 283 { |
276 } | 284 } |
277 | 285 |
278 String MediaQueryExp::serialize() const | 286 String MediaQueryExp::serialize() const |
279 { | 287 { |
280 StringBuilder result; | 288 StringBuilder result; |
281 result.append("("); | 289 result.append("("); |
282 result.append(m_mediaFeature.lower()); | 290 result.append(m_mediaFeature.lower()); |
283 if (m_value) { | 291 if (m_value) { |
284 result.append(": "); | 292 result.append(": "); |
285 result.append(m_value->cssText()); | 293 result.append(m_value->cssText()); |
286 } | 294 } |
287 result.append(")"); | 295 result.append(")"); |
288 | 296 |
289 return result.toString(); | 297 return result.toString(); |
290 } | 298 } |
291 | 299 |
292 } // namespace | 300 } // namespace |
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