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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 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
All rights reserved. | 3 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
All rights reserved. |
4 * | 4 * |
5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
9 * | 9 * |
10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
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29 #include "core/css/RuleFeature.h" | 29 #include "core/css/RuleFeature.h" |
30 #include "core/css/RuleSet.h" | 30 #include "core/css/RuleSet.h" |
31 #include "core/css/SelectorChecker.h" | 31 #include "core/css/SelectorChecker.h" |
32 #include "core/css/SelectorFilter.h" | 32 #include "core/css/SelectorFilter.h" |
33 #include "core/css/SiblingTraversalStrategies.h" | 33 #include "core/css/SiblingTraversalStrategies.h" |
34 #include "core/css/resolver/MatchedPropertiesCache.h" | 34 #include "core/css/resolver/MatchedPropertiesCache.h" |
35 #include "core/css/resolver/ScopedStyleResolver.h" | 35 #include "core/css/resolver/ScopedStyleResolver.h" |
36 #include "core/css/resolver/StyleBuilder.h" | 36 #include "core/css/resolver/StyleBuilder.h" |
37 #include "core/css/resolver/StyleResolverState.h" | 37 #include "core/css/resolver/StyleResolverState.h" |
38 #include "core/css/resolver/StyleResourceLoader.h" | 38 #include "core/css/resolver/StyleResourceLoader.h" |
39 #include "wtf/Deque.h" | |
40 #include "wtf/HashMap.h" | 39 #include "wtf/HashMap.h" |
41 #include "wtf/HashSet.h" | 40 #include "wtf/HashSet.h" |
42 #include "wtf/RefPtr.h" | 41 #include "wtf/RefPtr.h" |
43 #include "wtf/Vector.h" | 42 #include "wtf/Vector.h" |
44 | 43 |
45 namespace WebCore { | 44 namespace WebCore { |
46 | 45 |
47 class CSSAnimationUpdate; | 46 class CSSAnimationUpdate; |
48 class CSSFontSelector; | 47 class CSSFontSelector; |
49 class CSSRuleList; | 48 class CSSRuleList; |
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79 | 78 |
80 // MatchOnlyUserAgentRules is used in media queries, where relative units | 79 // MatchOnlyUserAgentRules is used in media queries, where relative units |
81 // are interpreted according to the document root element style, and styled only | 80 // are interpreted according to the document root element style, and styled only |
82 // from the User Agent Stylesheet rules. | 81 // from the User Agent Stylesheet rules. |
83 enum RuleMatchingBehavior { | 82 enum RuleMatchingBehavior { |
84 MatchAllRules, | 83 MatchAllRules, |
85 MatchAllRulesExcludingSMIL, | 84 MatchAllRulesExcludingSMIL, |
86 MatchOnlyUserAgentRules, | 85 MatchOnlyUserAgentRules, |
87 }; | 86 }; |
88 | 87 |
89 const unsigned styleSharingListSize = 20; | |
90 typedef WTF::Deque<Element*, styleSharingListSize> StyleSharingList; | |
91 | |
92 #undef STYLE_STATS | 88 #undef STYLE_STATS |
93 | 89 |
94 #ifdef STYLE_STATS | 90 #ifdef STYLE_STATS |
95 struct StyleSharingStats { | 91 struct StyleSharingStats { |
96 void addSearch() { ++m_searches; ++m_totalSearches; } | 92 void addSearch() { ++m_searches; ++m_totalSearches; } |
97 void addElementEligibleForSharing() { ++m_elementsEligibleForSharing; ++m_to
talElementsEligibleForSharing; } | 93 void addElementEligibleForSharing() { ++m_elementsEligibleForSharing; ++m_to
talElementsEligibleForSharing; } |
98 void addStyleShared() { ++m_stylesShared; ++m_totalStylesShared; } | 94 void addStyleShared() { ++m_stylesShared; ++m_totalStylesShared; } |
99 void addSearchFoundSiblingForSharing() { ++m_searchFoundSiblingForSharing; +
+m_totalSearchFoundSiblingForSharing; } | 95 void addSearchFoundSiblingForSharing() { ++m_searchFoundSiblingForSharing; +
+m_totalSearchFoundSiblingForSharing; } |
100 void addSearchMissedSharing() { ++m_searchesMissedSharing; ++m_totalSearches
MissedSharing; } | 96 void addSearchMissedSharing() { ++m_searchesMissedSharing; ++m_totalSearches
MissedSharing; } |
101 void addMatchedPropertiesSearch() { ++m_matchedPropertiesSearches; ++m_total
MatchedPropertiesSearches; } | 97 void addMatchedPropertiesSearch() { ++m_matchedPropertiesSearches; ++m_total
MatchedPropertiesSearches; } |
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272 | 268 |
273 // FIXME: StyleResolver should not have this member or method. | 269 // FIXME: StyleResolver should not have this member or method. |
274 InspectorCSSOMWrappers& inspectorCSSOMWrappers() { return m_inspectorCSSOMWr
appers; } | 270 InspectorCSSOMWrappers& inspectorCSSOMWrappers() { return m_inspectorCSSOMWr
appers; } |
275 | 271 |
276 // Exposed for ScopedStyleResolver. | 272 // Exposed for ScopedStyleResolver. |
277 // FIXME: Likely belongs on viewportStyleResolver. | 273 // FIXME: Likely belongs on viewportStyleResolver. |
278 void collectViewportRules(RuleSet*); | 274 void collectViewportRules(RuleSet*); |
279 | 275 |
280 const RuleFeatureSet& ruleFeatureSet() const { return m_features; } | 276 const RuleFeatureSet& ruleFeatureSet() const { return m_features; } |
281 | 277 |
282 StyleSharingList& styleSharingList() { return m_styleSharingList; } | |
283 | |
284 void addToStyleSharingList(Element*); | |
285 void clearStyleSharingList(); | |
286 | |
287 #ifdef STYLE_STATS | 278 #ifdef STYLE_STATS |
288 ALWAYS_INLINE static StyleSharingStats& styleSharingStats() { return m_style
SharingStats; } | 279 ALWAYS_INLINE static StyleSharingStats& styleSharingStats() { return m_style
SharingStats; } |
289 #endif | 280 #endif |
290 private: | 281 private: |
291 // FIXME: This should probably go away, folded into FontBuilder. | 282 // FIXME: This should probably go away, folded into FontBuilder. |
292 void updateFont(StyleResolverState&); | 283 void updateFont(StyleResolverState&); |
293 | 284 |
294 void matchUARules(ElementRuleCollector&, RuleSet*); | 285 void matchUARules(ElementRuleCollector&, RuleSet*); |
295 void matchAuthorRules(Element*, ElementRuleCollector&, bool includeEmptyRule
s); | 286 void matchAuthorRules(Element*, ElementRuleCollector&, bool includeEmptyRule
s); |
296 void matchShadowDistributedRules(ElementRuleCollector&, bool includeEmptyRul
es); | 287 void matchShadowDistributedRules(ElementRuleCollector&, bool includeEmptyRul
es); |
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360 // FIXME: The entire logic of collecting features on StyleResolver, as well
astransferring them | 351 // FIXME: The entire logic of collecting features on StyleResolver, as well
astransferring them |
361 // between various parts of machinery smells wrong. This needs to be better
somehow. | 352 // between various parts of machinery smells wrong. This needs to be better
somehow. |
362 RuleFeatureSet m_features; | 353 RuleFeatureSet m_features; |
363 OwnPtr<RuleSet> m_siblingRuleSet; | 354 OwnPtr<RuleSet> m_siblingRuleSet; |
364 OwnPtr<RuleSet> m_uncommonAttributeRuleSet; | 355 OwnPtr<RuleSet> m_uncommonAttributeRuleSet; |
365 | 356 |
366 InspectorCSSOMWrappers m_inspectorCSSOMWrappers; | 357 InspectorCSSOMWrappers m_inspectorCSSOMWrappers; |
367 | 358 |
368 StyleResourceLoader m_styleResourceLoader; | 359 StyleResourceLoader m_styleResourceLoader; |
369 | 360 |
370 StyleSharingList m_styleSharingList; | |
371 | |
372 #ifdef STYLE_STATS | 361 #ifdef STYLE_STATS |
373 static StyleSharingStats m_styleSharingStats; | 362 static StyleSharingStats m_styleSharingStats; |
374 #endif | 363 #endif |
375 }; | 364 }; |
376 | 365 |
377 inline bool checkRegionSelector(const CSSSelector* regionSelector, Element* regi
onElement) | 366 inline bool checkRegionSelector(const CSSSelector* regionSelector, Element* regi
onElement) |
378 { | 367 { |
379 if (!regionSelector || !regionElement) | 368 if (!regionSelector || !regionElement) |
380 return false; | 369 return false; |
381 | 370 |
382 SelectorChecker selectorChecker(regionElement->document(), SelectorChecker::
QueryingRules); | 371 SelectorChecker selectorChecker(regionElement->document(), SelectorChecker::
QueryingRules); |
383 for (const CSSSelector* s = regionSelector; s; s = CSSSelectorList::next(s))
{ | 372 for (const CSSSelector* s = regionSelector; s; s = CSSSelectorList::next(s))
{ |
384 SelectorChecker::SelectorCheckingContext selectorCheckingContext(s, regi
onElement, SelectorChecker::VisitedMatchDisabled); | 373 SelectorChecker::SelectorCheckingContext selectorCheckingContext(s, regi
onElement, SelectorChecker::VisitedMatchDisabled); |
385 PseudoId ignoreDynamicPseudo = NOPSEUDO; | 374 PseudoId ignoreDynamicPseudo = NOPSEUDO; |
386 if (selectorChecker.match(selectorCheckingContext, ignoreDynamicPseudo,
DOMSiblingTraversalStrategy()) == SelectorChecker::SelectorMatches) | 375 if (selectorChecker.match(selectorCheckingContext, ignoreDynamicPseudo,
DOMSiblingTraversalStrategy()) == SelectorChecker::SelectorMatches) |
387 return true; | 376 return true; |
388 } | 377 } |
389 return false; | 378 return false; |
390 } | 379 } |
391 | 380 |
392 } // namespace WebCore | 381 } // namespace WebCore |
393 | 382 |
394 #endif // StyleResolver_h | 383 #endif // StyleResolver_h |
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