OLD | NEW |
1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com) | 3 * (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com) |
4 * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com) | 4 * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com) |
5 * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All r
ights reserved. | 5 * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All r
ights reserved. |
6 * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org> | 6 * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org> |
7 * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org> | 7 * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org> |
8 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.t
orchmobile.com/) | 8 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.t
orchmobile.com/) |
9 * Copyright (c) 2011, Code Aurora Forum. All rights reserved. | 9 * Copyright (c) 2011, Code Aurora Forum. All rights reserved. |
10 * Copyright (C) Research In Motion Limited 2011. All rights reserved. | 10 * Copyright (C) Research In Motion Limited 2011. All rights reserved. |
(...skipping 29 matching lines...) Expand all Loading... |
40 | 40 |
41 namespace WebCore { | 41 namespace WebCore { |
42 | 42 |
43 static bool isSkippableComponentForInvalidation(const CSSSelector& selector) | 43 static bool isSkippableComponentForInvalidation(const CSSSelector& selector) |
44 { | 44 { |
45 if (selector.m_match == CSSSelector::Tag | 45 if (selector.m_match == CSSSelector::Tag |
46 || selector.m_match == CSSSelector::Id | 46 || selector.m_match == CSSSelector::Id |
47 || selector.isAttributeSelector()) | 47 || selector.isAttributeSelector()) |
48 return true; | 48 return true; |
49 if (selector.m_match == CSSSelector::PseudoElement) { | 49 if (selector.m_match == CSSSelector::PseudoElement) { |
50 switch (selector.m_pseudoType) { | 50 switch (selector.pseudoType()) { |
51 case CSSSelector::PseudoBefore: | 51 case CSSSelector::PseudoBefore: |
52 case CSSSelector::PseudoAfter: | 52 case CSSSelector::PseudoAfter: |
53 case CSSSelector::PseudoBackdrop: | 53 case CSSSelector::PseudoBackdrop: |
54 return true; | 54 return true; |
55 default: | 55 default: |
56 return false; | 56 return false; |
57 } | 57 } |
58 } | 58 } |
59 if (selector.m_match != CSSSelector::PseudoClass) | 59 if (selector.m_match != CSSSelector::PseudoClass) |
60 return false; | 60 return false; |
(...skipping 44 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
105 RuleFeatureSet::InvalidationSetMode RuleFeatureSet::supportsClassDescendantInval
idation(const CSSSelector& selector) | 105 RuleFeatureSet::InvalidationSetMode RuleFeatureSet::supportsClassDescendantInval
idation(const CSSSelector& selector) |
106 { | 106 { |
107 bool foundDescendantRelation = false; | 107 bool foundDescendantRelation = false; |
108 bool foundIdent = false; | 108 bool foundIdent = false; |
109 for (const CSSSelector* component = &selector; component; component = compon
ent->tagHistory()) { | 109 for (const CSSSelector* component = &selector; component; component = compon
ent->tagHistory()) { |
110 | 110 |
111 // FIXME: next up: Tag and Id. | 111 // FIXME: next up: Tag and Id. |
112 if (component->m_match == CSSSelector::Class || component->isAttributeSe
lector()) { | 112 if (component->m_match == CSSSelector::Class || component->isAttributeSe
lector()) { |
113 if (!foundDescendantRelation) | 113 if (!foundDescendantRelation) |
114 foundIdent = true; | 114 foundIdent = true; |
| 115 } else if (component->pseudoType() == CSSSelector::PseudoHost) { |
| 116 if (const CSSSelectorList* selectorList = component->selectorList())
{ |
| 117 for (const CSSSelector* selector = selectorList->first(); select
or; selector = CSSSelectorList::next(*selector)) { |
| 118 InvalidationSetMode hostMode = supportsClassDescendantInvali
dation(*selector); |
| 119 if (hostMode == UseSubtreeStyleChange) |
| 120 return foundDescendantRelation ? UseLocalStyleChange : U
seSubtreeStyleChange; |
| 121 if (hostMode == AddFeatures) |
| 122 foundIdent = true; |
| 123 } |
| 124 } |
115 } else if (!isSkippableComponentForInvalidation(*component)) { | 125 } else if (!isSkippableComponentForInvalidation(*component)) { |
116 return foundDescendantRelation ? UseLocalStyleChange : UseSubtreeSty
leChange; | 126 return foundDescendantRelation ? UseLocalStyleChange : UseSubtreeSty
leChange; |
117 } | 127 } |
118 switch (component->relation()) { | 128 switch (component->relation()) { |
119 case CSSSelector::Descendant: | 129 case CSSSelector::Descendant: |
120 case CSSSelector::Child: | 130 case CSSSelector::Child: |
121 case CSSSelector::Shadow: | 131 case CSSSelector::Shadow: |
122 case CSSSelector::ShadowDeep: | 132 case CSSSelector::ShadowDeep: |
123 foundDescendantRelation = true; | 133 foundDescendantRelation = true; |
124 // Fall through! | 134 // Fall through! |
(...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
161 { | 171 { |
162 InvalidationSetMode mode = supportsClassDescendantInvalidation(selector); | 172 InvalidationSetMode mode = supportsClassDescendantInvalidation(selector); |
163 if (mode != AddFeatures) | 173 if (mode != AddFeatures) |
164 return mode; | 174 return mode; |
165 | 175 |
166 Vector<AtomicString> classes; | 176 Vector<AtomicString> classes; |
167 AtomicString id; | 177 AtomicString id; |
168 AtomicString tagName; | 178 AtomicString tagName; |
169 Vector<AtomicString> attributes; | 179 Vector<AtomicString> attributes; |
170 | 180 |
| 181 const CSSSelector* current = extractInvalidationSetFeatures(selector, classe
s, id, tagName, attributes); |
| 182 if (current) |
| 183 current = current->tagHistory(); |
| 184 |
| 185 if (current) |
| 186 addFeaturesToInvalidationSets(*current, classes, id, tagName, attributes
); |
| 187 return AddFeatures; |
| 188 } |
| 189 |
| 190 const CSSSelector* RuleFeatureSet::extractInvalidationSetFeatures(const CSSSelec
tor& selector, Vector<AtomicString>& classes, AtomicString& id, AtomicString& ta
gName, Vector<AtomicString>& attributes) |
| 191 { |
171 const CSSSelector* lastSelector = &selector; | 192 const CSSSelector* lastSelector = &selector; |
172 for (; lastSelector; lastSelector = lastSelector->tagHistory()) { | 193 for (; lastSelector; lastSelector = lastSelector->tagHistory()) { |
173 extractClassIdTagOrAttribute(*lastSelector, classes, id, tagName, attrib
utes); | 194 extractClassIdTagOrAttribute(*lastSelector, classes, id, tagName, attrib
utes); |
174 // Initialize the entry in the invalidation set map, if supported. | 195 // Initialize the entry in the invalidation set map, if supported. |
175 invalidationSetForSelector(*lastSelector); | 196 invalidationSetForSelector(*lastSelector); |
| 197 if (lastSelector->pseudoType() == CSSSelector::PseudoHost) { |
| 198 if (const CSSSelectorList* selectorList = lastSelector->selectorList
()) { |
| 199 for (const CSSSelector* selector = selectorList->first(); select
or; selector = CSSSelectorList::next(*selector)) |
| 200 extractInvalidationSetFeatures(*selector, classes, id, tagNa
me, attributes); |
| 201 } |
| 202 } |
176 | 203 |
177 if (lastSelector->relation() != CSSSelector::SubSelector) | 204 if (lastSelector->relation() != CSSSelector::SubSelector) |
178 break; | 205 break; |
179 } | 206 } |
| 207 return lastSelector; |
| 208 } |
180 | 209 |
181 if (!lastSelector) | 210 void RuleFeatureSet::addFeaturesToInvalidationSets(const CSSSelector& selector,
const Vector<AtomicString>& classes, AtomicString id, AtomicString tagName, cons
t Vector<AtomicString>& attributes) |
182 return AddFeatures; | 211 { |
183 for (const CSSSelector* current = lastSelector->tagHistory(); current; curre
nt = current->tagHistory()) { | 212 for (const CSSSelector* current = &selector; current; current = current->tag
History()) { |
184 if (DescendantInvalidationSet* invalidationSet = invalidationSetForSelec
tor(*current)) { | 213 if (DescendantInvalidationSet* invalidationSet = invalidationSetForSelec
tor(*current)) { |
185 if (!id.isEmpty()) | 214 if (!id.isEmpty()) |
186 invalidationSet->addId(id); | 215 invalidationSet->addId(id); |
187 if (!tagName.isEmpty()) | 216 if (!tagName.isEmpty()) |
188 invalidationSet->addTagName(tagName); | 217 invalidationSet->addTagName(tagName); |
189 for (Vector<AtomicString>::const_iterator it = classes.begin(); it !
= classes.end(); ++it) | 218 for (Vector<AtomicString>::const_iterator it = classes.begin(); it !
= classes.end(); ++it) |
190 invalidationSet->addClass(*it); | 219 invalidationSet->addClass(*it); |
191 for (Vector<AtomicString>::const_iterator it = attributes.begin(); i
t != attributes.end(); ++it) | 220 for (Vector<AtomicString>::const_iterator it = attributes.begin(); i
t != attributes.end(); ++it) |
192 invalidationSet->addAttribute(*it); | 221 invalidationSet->addAttribute(*it); |
| 222 } else if (current->pseudoType() == CSSSelector::PseudoHost) { |
| 223 if (const CSSSelectorList* selectorList = current->selectorList()) { |
| 224 for (const CSSSelector* selector = selectorList->first(); select
or; selector = CSSSelectorList::next(*selector)) |
| 225 addFeaturesToInvalidationSets(*selector, classes, id, tagNam
e, attributes); |
| 226 } |
193 } | 227 } |
194 } | 228 } |
195 return AddFeatures; | |
196 } | 229 } |
197 | 230 |
198 void RuleFeatureSet::addContentAttr(const AtomicString& attributeName) | 231 void RuleFeatureSet::addContentAttr(const AtomicString& attributeName) |
199 { | 232 { |
200 DescendantInvalidationSet& invalidationSet = ensureAttributeInvalidationSet(
attributeName); | 233 DescendantInvalidationSet& invalidationSet = ensureAttributeInvalidationSet(
attributeName); |
201 invalidationSet.setWholeSubtreeInvalid(); | 234 invalidationSet.setWholeSubtreeInvalid(); |
202 } | 235 } |
203 | 236 |
204 void RuleFeatureSet::collectFeaturesFromRuleData(const RuleData& ruleData) | 237 void RuleFeatureSet::collectFeaturesFromRuleData(const RuleData& ruleData) |
205 { | 238 { |
(...skipping 187 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
393 if (node->isElementNode()) | 426 if (node->isElementNode()) |
394 m_pendingInvalidationMap.remove(toElement(node)); | 427 m_pendingInvalidationMap.remove(toElement(node)); |
395 } | 428 } |
396 | 429 |
397 RuleFeatureSet::PendingInvalidationMap& RuleFeatureSet::pendingInvalidationMap() | 430 RuleFeatureSet::PendingInvalidationMap& RuleFeatureSet::pendingInvalidationMap() |
398 { | 431 { |
399 return m_pendingInvalidationMap; | 432 return m_pendingInvalidationMap; |
400 } | 433 } |
401 | 434 |
402 } // namespace WebCore | 435 } // namespace WebCore |
OLD | NEW |