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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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73 MatchAllRulesExcludingSMIL | 73 MatchAllRulesExcludingSMIL |
74 }; | 74 }; |
75 | 75 |
76 const unsigned styleSharingListSize = 15; | 76 const unsigned styleSharingListSize = 15; |
77 const unsigned styleSharingMaxDepth = 32; | 77 const unsigned styleSharingMaxDepth = 32; |
78 using StyleSharingList = WillBeHeapDeque<RawPtrWillBeMember<Element>, styleShari ngListSize>; | 78 using StyleSharingList = WillBeHeapDeque<RawPtrWillBeMember<Element>, styleShari ngListSize>; |
79 using ActiveInterpolationsMap = HashMap<PropertyHandle, Vector<RefPtr<Interpolat ion>, 1>>; | 79 using ActiveInterpolationsMap = HashMap<PropertyHandle, Vector<RefPtr<Interpolat ion>, 1>>; |
80 | 80 |
81 // This class selects a ComputedStyle for a given element based on a collection of stylesheets. | 81 // This class selects a ComputedStyle for a given element based on a collection of stylesheets. |
82 class CORE_EXPORT StyleResolver final : public NoBaseWillBeGarbageCollectedFinal ized<StyleResolver> { | 82 class CORE_EXPORT StyleResolver final : public NoBaseWillBeGarbageCollectedFinal ized<StyleResolver> { |
83 WTF_MAKE_NONCOPYABLE(StyleResolver); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED (StyleResolver); | 83 WTF_MAKE_NONCOPYABLE(StyleResolver); |
84 WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(StyleResolver); | |
84 public: | 85 public: |
85 static PassOwnPtrWillBeRawPtr<StyleResolver> create(Document& document) | 86 static PassOwnPtrWillBeRawPtr<StyleResolver> create(Document& document) |
86 { | 87 { |
87 return adoptPtrWillBeNoop(new StyleResolver(document)); | 88 return adoptPtrWillBeNoop(new StyleResolver(document)); |
88 } | 89 } |
89 ~StyleResolver(); | 90 ~StyleResolver(); |
91 void dispose(); | |
haraken
2015/10/08 06:15:45
Ditto.
| |
90 | 92 |
91 // FIXME: StyleResolver should not be keeping tree-walk state. | 93 // FIXME: StyleResolver should not be keeping tree-walk state. |
92 // These should move to some global tree-walk state, or should be contained in a | 94 // These should move to some global tree-walk state, or should be contained in a |
93 // TreeWalkContext or similar which is passed in to StyleResolver methods wh en available. | 95 // TreeWalkContext or similar which is passed in to StyleResolver methods wh en available. |
94 // Using these during tree walk will allow style selector to optimize child and descendant selector lookups. | 96 // Using these during tree walk will allow style selector to optimize child and descendant selector lookups. |
95 void pushParentElement(Element&); | 97 void pushParentElement(Element&); |
96 void popParentElement(Element&); | 98 void popParentElement(Element&); |
97 | 99 |
98 PassRefPtr<ComputedStyle> styleForElement(Element*, const ComputedStyle* par entStyle = 0, StyleSharingBehavior = AllowStyleSharing, | 100 PassRefPtr<ComputedStyle> styleForElement(Element*, const ComputedStyle* par entStyle = 0, StyleSharingBehavior = AllowStyleSharing, |
99 RuleMatchingBehavior = MatchAllRules); | 101 RuleMatchingBehavior = MatchAllRules); |
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263 | 265 |
264 OwnPtr<StyleResolverStats> m_styleResolverStats; | 266 OwnPtr<StyleResolverStats> m_styleResolverStats; |
265 | 267 |
266 // Use only for Internals::updateStyleAndReturnAffectedElementCount. | 268 // Use only for Internals::updateStyleAndReturnAffectedElementCount. |
267 unsigned m_accessCount; | 269 unsigned m_accessCount; |
268 }; | 270 }; |
269 | 271 |
270 } // namespace blink | 272 } // namespace blink |
271 | 273 |
272 #endif // StyleResolver_h | 274 #endif // StyleResolver_h |
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