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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. |
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131 case CSSSelector::PseudoEnd: | 131 case CSSSelector::PseudoEnd: |
132 case CSSSelector::PseudoDoubleButton: | 132 case CSSSelector::PseudoDoubleButton: |
133 case CSSSelector::PseudoSingleButton: | 133 case CSSSelector::PseudoSingleButton: |
134 case CSSSelector::PseudoNoButton: | 134 case CSSSelector::PseudoNoButton: |
135 case CSSSelector::PseudoFullScreen: | 135 case CSSSelector::PseudoFullScreen: |
136 case CSSSelector::PseudoFullScreenDocument: | 136 case CSSSelector::PseudoFullScreenDocument: |
137 case CSSSelector::PseudoFullScreenAncestor: | 137 case CSSSelector::PseudoFullScreenAncestor: |
138 case CSSSelector::PseudoInRange: | 138 case CSSSelector::PseudoInRange: |
139 case CSSSelector::PseudoOutOfRange: | 139 case CSSSelector::PseudoOutOfRange: |
140 case CSSSelector::PseudoWebKitCustomElement: | 140 case CSSSelector::PseudoWebKitCustomElement: |
141 case CSSSelector::PseudoCue: | |
142 case CSSSelector::PseudoFutureCue: | |
143 case CSSSelector::PseudoPastCue: | |
141 case CSSSelector::PseudoUnresolved: | 144 case CSSSelector::PseudoUnresolved: |
142 case CSSSelector::PseudoContent: | 145 case CSSSelector::PseudoContent: |
143 case CSSSelector::PseudoHost: | 146 case CSSSelector::PseudoHost: |
144 case CSSSelector::PseudoShadow: | 147 case CSSSelector::PseudoShadow: |
145 case CSSSelector::PseudoListBox: | 148 case CSSSelector::PseudoListBox: |
146 return true; | 149 return true; |
147 case CSSSelector::PseudoNotParsed: | 150 case CSSSelector::PseudoNotParsed: |
148 case CSSSelector::PseudoUnknown: | 151 case CSSSelector::PseudoUnknown: |
149 case CSSSelector::PseudoLeftPage: | 152 case CSSSelector::PseudoLeftPage: |
150 case CSSSelector::PseudoRightPage: | 153 case CSSSelector::PseudoRightPage: |
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164 static bool requiresSubtreeInvalidation(const CSSSelector& selector) | 167 static bool requiresSubtreeInvalidation(const CSSSelector& selector) |
165 { | 168 { |
166 if (!selector.matchesPseudoElement() && selector.match() != CSSSelector::Pse udoClass) { | 169 if (!selector.matchesPseudoElement() && selector.match() != CSSSelector::Pse udoClass) { |
167 ASSERT(supportsInvalidation(selector.match())); | 170 ASSERT(supportsInvalidation(selector.match())); |
168 return false; | 171 return false; |
169 } | 172 } |
170 | 173 |
171 switch (selector.pseudoType()) { | 174 switch (selector.pseudoType()) { |
172 case CSSSelector::PseudoFirstLine: | 175 case CSSSelector::PseudoFirstLine: |
173 case CSSSelector::PseudoFirstLetter: | 176 case CSSSelector::PseudoFirstLetter: |
174 case CSSSelector::PseudoCue: | |
175 case CSSSelector::PseudoFutureCue: | |
176 case CSSSelector::PseudoPastCue: | |
177 case CSSSelector::PseudoSpatialNavigationFocus: | 177 case CSSSelector::PseudoSpatialNavigationFocus: |
178 // FIXME: Most pseudo classes/elements above can be supported and moved | 178 // FIXME: Most pseudo classes/elements above can be supported and moved |
179 // to assertSupportedPseudo(). Move on a case-by-case basis. If they | 179 // to assertSupportedPseudo(). Move on a case-by-case basis. If they |
180 // require subtree invalidation, document why. | 180 // require subtree invalidation, document why. |
181 case CSSSelector::PseudoHostContext: | 181 case CSSSelector::PseudoHostContext: |
182 // :host-context matches a shadow host, yet the simple selectors inside | 182 // :host-context matches a shadow host, yet the simple selectors inside |
183 // :host-context matches an ancestor of the shadow host. | 183 // :host-context matches an ancestor of the shadow host. |
184 return true; | 184 return true; |
185 default: | 185 default: |
186 ASSERT(supportsInvalidation(selector.pseudoType())); | 186 ASSERT(supportsInvalidation(selector.pseudoType())); |
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209 | 209 |
210 if (component->match() == CSSSelector::Class || component->match() == CS SSelector::Id | 210 if (component->match() == CSSSelector::Class || component->match() == CS SSelector::Id |
211 || (component->match() == CSSSelector::Tag && component->tagQName(). localName() != starAtom) | 211 || (component->match() == CSSSelector::Tag && component->tagQName(). localName() != starAtom) |
212 || component->isAttributeSelector() || component->isCustomPseudoElem ent()) { | 212 || component->isAttributeSelector() || component->isCustomPseudoElem ent()) { |
213 if (!foundCombinator) { | 213 if (!foundCombinator) { |
214 // We have found an invalidation set feature in the rightmost co mpound selector. | 214 // We have found an invalidation set feature in the rightmost co mpound selector. |
215 foundIdent = true; | 215 foundIdent = true; |
216 } | 216 } |
217 } else if (component->pseudoType() == CSSSelector::PseudoNot | 217 } else if (component->pseudoType() == CSSSelector::PseudoNot |
218 || component->pseudoType() == CSSSelector::PseudoHost | 218 || component->pseudoType() == CSSSelector::PseudoHost |
219 || component->pseudoType() == CSSSelector::PseudoAny) { | 219 || component->pseudoType() == CSSSelector::PseudoAny |
220 || component->pseudoType() == CSSSelector::PseudoCue) { | |
220 if (const CSSSelectorList* selectorList = component->selectorList()) { | 221 if (const CSSSelectorList* selectorList = component->selectorList()) { |
221 // Features inside :not() are not added to the feature set, so c onsider it a universal selector. | 222 // Features inside :not() are not added to the feature set, so c onsider it a universal selector. |
222 bool foundUniversal = component->pseudoType() == CSSSelector::Ps eudoNot; | 223 bool foundUniversal = component->pseudoType() == CSSSelector::Ps eudoNot; |
223 for (const CSSSelector* selector = selectorList->first(); select or; selector = CSSSelectorList::next(*selector)) { | 224 for (const CSSSelector* selector = selectorList->first(); select or; selector = CSSSelectorList::next(*selector)) { |
224 // Find the invalidation set mode for each of the selectors in the selector list | 225 // Find the invalidation set mode for each of the selectors in the selector list |
225 // of a :not(), :host(), etc. For instance, ".x :-webkit-any (.a, .b)" yields an | 226 // of a :not(), :host(), etc. For instance, ".x :-webkit-any (.a, .b)" yields an |
226 // AddFeatures mode for both ".a" and ".b". ":-webkit-any(.a , *)" yields AddFeatures | 227 // AddFeatures mode for both ".a" and ".b". ":-webkit-any(.a , *)" yields AddFeatures |
227 // for ".a", but UseSubtreeStyleChange for "*". One sub-sele ctor without invalidation | 228 // for ".a", but UseSubtreeStyleChange for "*". One sub-sele ctor without invalidation |
228 // set features is sufficient to cause the selector to be a universal selector as far | 229 // set features is sufficient to cause the selector to be a universal selector as far |
229 // the invalidation set is concerned. | 230 // the invalidation set is concerned. |
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336 return AddFeatures; | 337 return AddFeatures; |
337 } | 338 } |
338 | 339 |
339 const CSSSelector* RuleFeatureSet::extractInvalidationSetFeatures(const CSSSelec tor& selector, InvalidationSetFeatures& features, bool negated) | 340 const CSSSelector* RuleFeatureSet::extractInvalidationSetFeatures(const CSSSelec tor& selector, InvalidationSetFeatures& features, bool negated) |
340 { | 341 { |
341 for (const CSSSelector* current = &selector; current; current = current->tag History()) { | 342 for (const CSSSelector* current = &selector; current; current = current->tag History()) { |
342 if (!negated) | 343 if (!negated) |
343 extractInvalidationSetFeature(*current, features); | 344 extractInvalidationSetFeature(*current, features); |
344 // Initialize the entry in the invalidation set map, if supported. | 345 // Initialize the entry in the invalidation set map, if supported. |
345 invalidationSetForSelector(*current); | 346 invalidationSetForSelector(*current); |
346 if (current->pseudoType() == CSSSelector::PseudoHost || current->pseudoT ype() == CSSSelector::PseudoAny || current->pseudoType() == CSSSelector::PseudoN ot) { | 347 if (current->pseudoType() == CSSSelector::PseudoHost || current->pseudoT ype() == CSSSelector::PseudoAny || current->pseudoType() == CSSSelector::PseudoN ot || current->pseudoType() == CSSSelector::PseudoCue) { |
347 if (const CSSSelectorList* selectorList = current->selectorList()) { | 348 if (const CSSSelectorList* selectorList = current->selectorList()) { |
348 for (const CSSSelector* selector = selectorList->first(); select or; selector = CSSSelectorList::next(*selector)) | 349 for (const CSSSelector* selector = selectorList->first(); select or; selector = CSSSelectorList::next(*selector)) |
349 extractInvalidationSetFeatures(*selector, features, current- >pseudoType() == CSSSelector::PseudoNot); | 350 extractInvalidationSetFeatures(*selector, features, current- >pseudoType() == CSSSelector::PseudoNot); |
350 } | 351 } |
351 } | 352 } |
352 | 353 |
353 if (current->relation() == CSSSelector::SubSelector) | 354 if (current->relation() == CSSSelector::SubSelector) |
354 continue; | 355 continue; |
355 | 356 |
356 features.treeBoundaryCrossing = current->isShadowSelector(); | 357 features.treeBoundaryCrossing = current->isShadowSelector(); |
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398 { | 399 { |
399 for (const CSSSelector* current = &selector; current; current = current->tag History()) { | 400 for (const CSSSelector* current = &selector; current; current = current->tag History()) { |
400 if (DescendantInvalidationSet* invalidationSet = invalidationSetForSelec tor(*current)) { | 401 if (DescendantInvalidationSet* invalidationSet = invalidationSetForSelec tor(*current)) { |
401 addFeaturesToInvalidationSet(*invalidationSet, features); | 402 addFeaturesToInvalidationSet(*invalidationSet, features); |
402 } else { | 403 } else { |
403 if (current->isTreeBoundaryCrossing()) | 404 if (current->isTreeBoundaryCrossing()) |
404 features.treeBoundaryCrossing = true; | 405 features.treeBoundaryCrossing = true; |
405 if (current->isInsertionPointCrossing()) | 406 if (current->isInsertionPointCrossing()) |
406 features.insertionPointCrossing = true; | 407 features.insertionPointCrossing = true; |
407 if (const CSSSelectorList* selectorList = current->selectorList()) { | 408 if (const CSSSelectorList* selectorList = current->selectorList()) { |
408 ASSERT(current->pseudoType() == CSSSelector::PseudoHost || curre nt->pseudoType() == CSSSelector::PseudoAny || current->pseudoType() == CSSSelect or::PseudoNot); | 409 ASSERT(current->pseudoType() == CSSSelector::PseudoHost || curre nt->pseudoType() == CSSSelector::PseudoAny || current->pseudoType() == CSSSelect or::PseudoNot || current->pseudoType() == CSSSelector::PseudoCue); |
chrishtr
2014/11/12 21:36:42
This code is repeated 3 times at line 219, 347 and
| |
409 for (const CSSSelector* selector = selectorList->first(); select or; selector = CSSSelectorList::next(*selector)) | 410 for (const CSSSelector* selector = selectorList->first(); select or; selector = CSSSelectorList::next(*selector)) |
410 addFeaturesToInvalidationSets(*selector, features); | 411 addFeaturesToInvalidationSets(*selector, features); |
411 } | 412 } |
412 } | 413 } |
413 | 414 |
414 if (current->relation() == CSSSelector::SubSelector) | 415 if (current->relation() == CSSSelector::SubSelector) |
415 continue; | 416 continue; |
416 | 417 |
417 if (current->isShadowSelector()) | 418 if (current->isShadowSelector()) |
418 features.treeBoundaryCrossing = true; | 419 features.treeBoundaryCrossing = true; |
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652 visitor->trace(uncommonAttributeRules); | 653 visitor->trace(uncommonAttributeRules); |
653 visitor->trace(m_classInvalidationSets); | 654 visitor->trace(m_classInvalidationSets); |
654 visitor->trace(m_attributeInvalidationSets); | 655 visitor->trace(m_attributeInvalidationSets); |
655 visitor->trace(m_idInvalidationSets); | 656 visitor->trace(m_idInvalidationSets); |
656 visitor->trace(m_pseudoInvalidationSets); | 657 visitor->trace(m_pseudoInvalidationSets); |
657 visitor->trace(m_styleInvalidator); | 658 visitor->trace(m_styleInvalidator); |
658 #endif | 659 #endif |
659 } | 660 } |
660 | 661 |
661 } // namespace blink | 662 } // namespace blink |
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