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1 /* | 1 /* |
2 * Copyright (C) 2012-2013 Intel Corporation. All rights reserved. | 2 * Copyright (C) 2012-2013 Intel Corporation. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above | 8 * 1. Redistributions of source code must retain the above |
9 * copyright notice, this list of conditions and the following | 9 * copyright notice, this list of conditions and the following |
10 * disclaimer. | 10 * disclaimer. |
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85 // there was an @viewport rule which has now been removed. | 85 // there was an @viewport rule which has now been removed. |
86 if (m_document->viewportArguments().type == ViewportArguments::CSSDevice
Adaptation) { | 86 if (m_document->viewportArguments().type == ViewportArguments::CSSDevice
Adaptation) { |
87 m_document->setViewportArguments(ViewportArguments()); | 87 m_document->setViewportArguments(ViewportArguments()); |
88 m_document->updateViewportArguments(); | 88 m_document->updateViewportArguments(); |
89 } | 89 } |
90 return; | 90 return; |
91 } | 91 } |
92 | 92 |
93 ViewportArguments arguments(ViewportArguments::CSSDeviceAdaptation); | 93 ViewportArguments arguments(ViewportArguments::CSSDeviceAdaptation); |
94 | 94 |
95 arguments.userZoom = getViewportArgumentValue(CSSPropertyUserZoom); | 95 arguments.userZoom = viewportArgumentValue(CSSPropertyUserZoom); |
96 arguments.zoom = getViewportArgumentValue(CSSPropertyZoom); | 96 arguments.zoom = viewportArgumentValue(CSSPropertyZoom); |
97 arguments.minZoom = getViewportArgumentValue(CSSPropertyMinZoom); | 97 arguments.minZoom = viewportArgumentValue(CSSPropertyMinZoom); |
98 arguments.maxZoom = getViewportArgumentValue(CSSPropertyMaxZoom); | 98 arguments.maxZoom = viewportArgumentValue(CSSPropertyMaxZoom); |
99 arguments.minWidth = getViewportArgumentValue(CSSPropertyMinWidth); | 99 arguments.minWidth = viewportLengthValue(CSSPropertyMinWidth); |
100 arguments.maxWidth = getViewportArgumentValue(CSSPropertyMaxWidth); | 100 arguments.maxWidth = viewportLengthValue(CSSPropertyMaxWidth); |
101 arguments.minHeight = getViewportArgumentValue(CSSPropertyMinHeight); | 101 arguments.minHeight = viewportLengthValue(CSSPropertyMinHeight); |
102 arguments.maxHeight = getViewportArgumentValue(CSSPropertyMaxHeight); | 102 arguments.maxHeight = viewportLengthValue(CSSPropertyMaxHeight); |
103 arguments.orientation = getViewportArgumentValue(CSSPropertyOrientation); | 103 arguments.orientation = viewportArgumentValue(CSSPropertyOrientation); |
104 | 104 |
105 m_document->setViewportArguments(arguments); | 105 m_document->setViewportArguments(arguments); |
106 m_document->updateViewportArguments(); | 106 m_document->updateViewportArguments(); |
107 | 107 |
108 m_propertySet = 0; | 108 m_propertySet = 0; |
109 } | 109 } |
110 | 110 |
111 float ViewportStyleResolver::getViewportArgumentValue(CSSPropertyID id) const | 111 float ViewportStyleResolver::viewportArgumentValue(CSSPropertyID id) const |
112 { | 112 { |
113 float defaultValue = ViewportArguments::ValueAuto; | 113 float defaultValue = ViewportArguments::ValueAuto; |
114 | 114 |
115 // UserZoom default value is CSSValueZoom, which maps to true, meaning that | 115 // UserZoom default value is CSSValueZoom, which maps to true, meaning that |
116 // yes, it is user scalable. When the value is set to CSSValueFixed, we | 116 // yes, it is user scalable. When the value is set to CSSValueFixed, we |
117 // return false. | 117 // return false. |
118 if (id == CSSPropertyUserZoom) | 118 if (id == CSSPropertyUserZoom) |
119 defaultValue = 1; | 119 defaultValue = 1; |
120 | 120 |
121 RefPtr<CSSValue> value = m_propertySet->getPropertyCSSValue(id); | 121 RefPtr<CSSValue> value = m_propertySet->getPropertyCSSValue(id); |
122 if (!value || !value->isPrimitiveValue()) | 122 if (!value || !value->isPrimitiveValue()) |
123 return defaultValue; | 123 return defaultValue; |
124 | 124 |
125 CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value.get()); | 125 CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value.get()); |
126 | 126 |
127 if (primitiveValue->isNumber() || primitiveValue->isPx()) | 127 if (primitiveValue->isNumber() || primitiveValue->isPx()) |
128 return primitiveValue->getFloatValue(); | 128 return primitiveValue->getFloatValue(); |
129 | 129 |
130 if (primitiveValue->isFontRelativeLength()) | 130 if (primitiveValue->isFontRelativeLength()) |
131 return primitiveValue->getFloatValue() * m_document->renderStyle()->font
Description().computedSize(); | 131 return primitiveValue->getFloatValue() * m_document->renderStyle()->font
Description().computedSize(); |
132 | 132 |
133 if (primitiveValue->isPercentage()) { | 133 if (primitiveValue->isPercentage()) { |
134 float percentValue = primitiveValue->getFloatValue() / 100.0f; | 134 float percentValue = primitiveValue->getFloatValue() / 100.0f; |
135 switch (id) { | 135 switch (id) { |
136 case CSSPropertyMaxHeight: | |
137 case CSSPropertyMinHeight: | |
138 return percentValue * m_document->initialViewportSize().height(); | |
139 case CSSPropertyMaxWidth: | |
140 case CSSPropertyMinWidth: | |
141 return percentValue * m_document->initialViewportSize().width(); | |
142 case CSSPropertyMaxZoom: | 136 case CSSPropertyMaxZoom: |
143 case CSSPropertyMinZoom: | 137 case CSSPropertyMinZoom: |
144 case CSSPropertyZoom: | 138 case CSSPropertyZoom: |
145 return percentValue; | 139 return percentValue; |
146 default: | 140 default: |
147 ASSERT_NOT_REACHED(); | 141 ASSERT_NOT_REACHED(); |
148 break; | 142 break; |
149 } | 143 } |
150 } | 144 } |
151 | 145 |
152 switch (primitiveValue->getValueID()) { | 146 switch (primitiveValue->getValueID()) { |
153 case CSSValueAuto: | 147 case CSSValueAuto: |
154 return defaultValue; | 148 return defaultValue; |
155 case CSSValueLandscape: | 149 case CSSValueLandscape: |
156 return ViewportArguments::ValueLandscape; | 150 return ViewportArguments::ValueLandscape; |
157 case CSSValuePortrait: | 151 case CSSValuePortrait: |
158 return ViewportArguments::ValuePortrait; | 152 return ViewportArguments::ValuePortrait; |
159 case CSSValueZoom: | 153 case CSSValueZoom: |
160 return defaultValue; | 154 return defaultValue; |
161 case CSSValueInternalExtendToZoom: | 155 case CSSValueInternalExtendToZoom: |
162 return ViewportArguments::ValueExtendToZoom; | 156 return ViewportArguments::ValueExtendToZoom; |
163 case CSSValueFixed: | 157 case CSSValueFixed: |
164 return 0; | 158 return 0; |
165 default: | 159 default: |
166 return defaultValue; | 160 return defaultValue; |
167 } | 161 } |
168 } | 162 } |
169 | 163 |
| 164 Length ViewportStyleResolver::viewportLengthValue(CSSPropertyID id) const |
| 165 { |
| 166 ASSERT(id == CSSPropertyMaxHeight |
| 167 || id == CSSPropertyMinHeight |
| 168 || id == CSSPropertyMaxWidth |
| 169 || id == CSSPropertyMinWidth); |
| 170 |
| 171 RefPtr<CSSValue> value = m_propertySet->getPropertyCSSValue(id); |
| 172 if (!value || !value->isPrimitiveValue()) |
| 173 return Length(); // auto |
| 174 |
| 175 CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value.get()); |
| 176 |
| 177 if (primitiveValue->isLength()) |
| 178 return primitiveValue->computeLength<Length>(m_document->renderStyle(),
m_document->renderStyle()); |
| 179 |
| 180 if (primitiveValue->isViewportPercentageLength()) |
| 181 return primitiveValue->viewportPercentageLength(); |
| 182 |
| 183 if (primitiveValue->isPercentage()) |
| 184 return Length(primitiveValue->getFloatValue(), Percent); |
| 185 |
| 186 switch (primitiveValue->getValueID()) { |
| 187 case CSSValueInternalExtendToZoom: |
| 188 return Length(ExtendToZoom); |
| 189 case CSSValueAuto: |
| 190 return Length(); |
| 191 default: |
| 192 // Unrecognized keyword. |
| 193 ASSERT_NOT_REACHED(); |
| 194 return Length(0, Fixed); |
| 195 } |
| 196 } |
| 197 |
170 } // namespace WebCore | 198 } // namespace WebCore |
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