1 | /** |
2 | * (C) 1999-2003 Lars Knoll (knoll@kde.org) |
3 | * Copyright (C) 2004, 2005, 2006 Apple 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 | #include "config.h" |
22 | #include "CSSProperty.h" |
23 | |
24 | #include "CSSValueList.h" |
25 | #include "StylePropertyShorthand.h" |
26 | #include "StylePropertyShorthandFunctions.h" |
27 | #include <wtf/NeverDestroyed.h> |
28 | |
29 | namespace WebCore { |
30 | |
31 | struct SameSizeAsCSSProperty { |
32 | uint32_t bitfields; |
33 | void* value; |
34 | }; |
35 | |
36 | COMPILE_ASSERT(sizeof(CSSProperty) == sizeof(SameSizeAsCSSProperty), CSSProperty_should_stay_small); |
37 | |
38 | CSSPropertyID StylePropertyMetadata::shorthandID() const |
39 | { |
40 | if (!m_isSetFromShorthand) |
41 | return CSSPropertyInvalid; |
42 | |
43 | auto shorthands = matchingShorthandsForLonghand(static_cast<CSSPropertyID>(m_propertyID)); |
44 | ASSERT(shorthands.size() && m_indexInShorthandsVector >= 0 && m_indexInShorthandsVector < shorthands.size()); |
45 | return shorthands[m_indexInShorthandsVector].id(); |
46 | } |
47 | |
48 | void CSSProperty::wrapValueInCommaSeparatedList() |
49 | { |
50 | auto list = CSSValueList::createCommaSeparated(); |
51 | list.get().append(m_value.releaseNonNull()); |
52 | m_value = WTFMove(list); |
53 | } |
54 | |
55 | static CSSPropertyID resolveToPhysicalProperty(TextDirection direction, WritingMode writingMode, LogicalBoxSide logicalSide, const StylePropertyShorthand& shorthand) |
56 | { |
57 | return shorthand.properties()[static_cast<size_t>(mapLogicalSideToPhysicalSide(makeTextFlow(writingMode, direction), logicalSide))]; |
58 | } |
59 | |
60 | enum LogicalExtent { LogicalWidth, LogicalHeight }; |
61 | |
62 | static CSSPropertyID resolveToPhysicalProperty(WritingMode writingMode, LogicalExtent logicalSide, const CSSPropertyID* properties) |
63 | { |
64 | if (writingMode == TopToBottomWritingMode || writingMode == BottomToTopWritingMode) |
65 | return properties[logicalSide]; |
66 | return logicalSide == LogicalWidth ? properties[1] : properties[0]; |
67 | } |
68 | |
69 | static const StylePropertyShorthand& borderDirections() |
70 | { |
71 | static const CSSPropertyID properties[4] = { CSSPropertyBorderTop, CSSPropertyBorderRight, CSSPropertyBorderBottom, CSSPropertyBorderLeft }; |
72 | static const StylePropertyShorthand borderDirections(CSSPropertyBorder, properties); |
73 | return borderDirections; |
74 | } |
75 | |
76 | CSSPropertyID CSSProperty::resolveDirectionAwareProperty(CSSPropertyID propertyID, TextDirection direction, WritingMode writingMode) |
77 | { |
78 | switch (propertyID) { |
79 | case CSSPropertyInsetInlineEnd: |
80 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::End, insetShorthand()); |
81 | case CSSPropertyInsetInlineStart: |
82 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::Start, insetShorthand()); |
83 | case CSSPropertyInsetBlockStart: |
84 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::Before, insetShorthand()); |
85 | case CSSPropertyInsetBlockEnd: |
86 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::After, insetShorthand()); |
87 | case CSSPropertyMarginInlineEnd: |
88 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::End, marginShorthand()); |
89 | case CSSPropertyMarginInlineStart: |
90 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::Start, marginShorthand()); |
91 | case CSSPropertyMarginBlockStart: |
92 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::Before, marginShorthand()); |
93 | case CSSPropertyMarginBlockEnd: |
94 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::After, marginShorthand()); |
95 | case CSSPropertyPaddingInlineEnd: |
96 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::End, paddingShorthand()); |
97 | case CSSPropertyPaddingInlineStart: |
98 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::Start, paddingShorthand()); |
99 | case CSSPropertyPaddingBlockStart: |
100 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::Before, paddingShorthand()); |
101 | case CSSPropertyPaddingBlockEnd: |
102 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::After, paddingShorthand()); |
103 | case CSSPropertyBorderInlineEnd: |
104 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::End, borderDirections()); |
105 | case CSSPropertyBorderInlineStart: |
106 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::Start, borderDirections()); |
107 | case CSSPropertyBorderBlockStart: |
108 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::Before, borderDirections()); |
109 | case CSSPropertyBorderBlockEnd: |
110 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::After, borderDirections()); |
111 | case CSSPropertyBorderInlineEndColor: |
112 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::End, borderColorShorthand()); |
113 | case CSSPropertyBorderInlineStartColor: |
114 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::Start, borderColorShorthand()); |
115 | case CSSPropertyBorderBlockStartColor: |
116 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::Before, borderColorShorthand()); |
117 | case CSSPropertyBorderBlockEndColor: |
118 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::After, borderColorShorthand()); |
119 | case CSSPropertyBorderInlineEndStyle: |
120 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::End, borderStyleShorthand()); |
121 | case CSSPropertyBorderInlineStartStyle: |
122 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::Start, borderStyleShorthand()); |
123 | case CSSPropertyBorderBlockStartStyle: |
124 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::Before, borderStyleShorthand()); |
125 | case CSSPropertyBorderBlockEndStyle: |
126 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::After, borderStyleShorthand()); |
127 | case CSSPropertyBorderInlineEndWidth: |
128 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::End, borderWidthShorthand()); |
129 | case CSSPropertyBorderInlineStartWidth: |
130 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::Start, borderWidthShorthand()); |
131 | case CSSPropertyBorderBlockStartWidth: |
132 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::Before, borderWidthShorthand()); |
133 | case CSSPropertyBorderBlockEndWidth: |
134 | return resolveToPhysicalProperty(direction, writingMode, LogicalBoxSide::After, borderWidthShorthand()); |
135 | case CSSPropertyInlineSize: { |
136 | const CSSPropertyID properties[2] = { CSSPropertyWidth, CSSPropertyHeight }; |
137 | return resolveToPhysicalProperty(writingMode, LogicalWidth, properties); |
138 | } |
139 | case CSSPropertyBlockSize: { |
140 | const CSSPropertyID properties[2] = { CSSPropertyWidth, CSSPropertyHeight }; |
141 | return resolveToPhysicalProperty(writingMode, LogicalHeight, properties); |
142 | } |
143 | case CSSPropertyMinInlineSize: { |
144 | const CSSPropertyID properties[2] = { CSSPropertyMinWidth, CSSPropertyMinHeight }; |
145 | return resolveToPhysicalProperty(writingMode, LogicalWidth, properties); |
146 | } |
147 | case CSSPropertyMinBlockSize: { |
148 | const CSSPropertyID properties[2] = { CSSPropertyMinWidth, CSSPropertyMinHeight }; |
149 | return resolveToPhysicalProperty(writingMode, LogicalHeight, properties); |
150 | } |
151 | case CSSPropertyMaxInlineSize: { |
152 | const CSSPropertyID properties[2] = { CSSPropertyMaxWidth, CSSPropertyMaxHeight }; |
153 | return resolveToPhysicalProperty(writingMode, LogicalWidth, properties); |
154 | } |
155 | case CSSPropertyMaxBlockSize: { |
156 | const CSSPropertyID properties[2] = { CSSPropertyMaxWidth, CSSPropertyMaxHeight }; |
157 | return resolveToPhysicalProperty(writingMode, LogicalHeight, properties); |
158 | } |
159 | default: |
160 | return propertyID; |
161 | } |
162 | } |
163 | |
164 | bool CSSProperty::isDescriptorOnly(CSSPropertyID propertyID) |
165 | { |
166 | switch (propertyID) { |
167 | #if ENABLE(CSS_DEVICE_ADAPTATION) |
168 | case CSSPropertyMinZoom: |
169 | case CSSPropertyMaxZoom: |
170 | case CSSPropertyOrientation: |
171 | case CSSPropertyUserZoom: |
172 | #endif |
173 | case CSSPropertySrc: |
174 | case CSSPropertyUnicodeRange: |
175 | case CSSPropertyFontDisplay: |
176 | return true; |
177 | default: |
178 | return false; |
179 | } |
180 | } |
181 | |
182 | bool CSSProperty::isDirectionAwareProperty(CSSPropertyID propertyID) |
183 | { |
184 | switch (propertyID) { |
185 | case CSSPropertyBorderInlineEndColor: |
186 | case CSSPropertyBorderInlineEndStyle: |
187 | case CSSPropertyBorderInlineEndWidth: |
188 | case CSSPropertyBorderInlineStartColor: |
189 | case CSSPropertyBorderInlineStartStyle: |
190 | case CSSPropertyBorderInlineStartWidth: |
191 | case CSSPropertyBorderBlockStartColor: |
192 | case CSSPropertyBorderBlockStartStyle: |
193 | case CSSPropertyBorderBlockStartWidth: |
194 | case CSSPropertyBorderBlockEndColor: |
195 | case CSSPropertyBorderBlockEndStyle: |
196 | case CSSPropertyBorderBlockEndWidth: |
197 | case CSSPropertyInsetInlineEnd: |
198 | case CSSPropertyInsetInlineStart: |
199 | case CSSPropertyInsetBlockStart: |
200 | case CSSPropertyInsetBlockEnd: |
201 | case CSSPropertyMarginInlineEnd: |
202 | case CSSPropertyMarginInlineStart: |
203 | case CSSPropertyMarginBlockStart: |
204 | case CSSPropertyMarginBlockEnd: |
205 | case CSSPropertyPaddingInlineEnd: |
206 | case CSSPropertyPaddingInlineStart: |
207 | case CSSPropertyPaddingBlockStart: |
208 | case CSSPropertyPaddingBlockEnd: |
209 | case CSSPropertyInlineSize: |
210 | case CSSPropertyBlockSize: |
211 | case CSSPropertyMinInlineSize: |
212 | case CSSPropertyMinBlockSize: |
213 | case CSSPropertyMaxInlineSize: |
214 | case CSSPropertyMaxBlockSize: |
215 | return true; |
216 | default: |
217 | return false; |
218 | } |
219 | } |
220 | |
221 | } // namespace WebCore |
222 | |