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Side by Side Diff: Source/core/css/CSSStyleSheet.h

Issue 28553005: Avoid parsing css text if there are identical inline style blocks. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 6 years, 11 months ago
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1 /* 1 /*
2 * (C) 1999-2003 Lars Knoll (knoll@kde.org) 2 * (C) 1999-2003 Lars Knoll (knoll@kde.org)
3 * Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved. 3 * Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010, 2012 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,
(...skipping 33 matching lines...) Expand 10 before | Expand all | Expand 10 after
44 enum StyleSheetUpdateType { 44 enum StyleSheetUpdateType {
45 PartialRuleUpdate, 45 PartialRuleUpdate,
46 EntireStyleSheetUpdate 46 EntireStyleSheetUpdate
47 }; 47 };
48 48
49 class CSSStyleSheet : public StyleSheet { 49 class CSSStyleSheet : public StyleSheet {
50 public: 50 public:
51 static PassRefPtr<CSSStyleSheet> create(PassRefPtr<StyleSheetContents>, CSSI mportRule* ownerRule = 0); 51 static PassRefPtr<CSSStyleSheet> create(PassRefPtr<StyleSheetContents>, CSSI mportRule* ownerRule = 0);
52 static PassRefPtr<CSSStyleSheet> create(PassRefPtr<StyleSheetContents>, Node * ownerNode); 52 static PassRefPtr<CSSStyleSheet> create(PassRefPtr<StyleSheetContents>, Node * ownerNode);
53 static PassRefPtr<CSSStyleSheet> createInline(Node*, const KURL&, const Text Position& startPosition = TextPosition::minimumPosition(), const String& encodin g = String()); 53 static PassRefPtr<CSSStyleSheet> createInline(Node*, const KURL&, const Text Position& startPosition = TextPosition::minimumPosition(), const String& encodin g = String());
54 static PassRefPtr<CSSStyleSheet> createInline(PassRefPtr<StyleSheetContents> , Node* ownerNode, const TextPosition& startPosition = TextPosition::minimumPosi tion());
54 55
55 virtual ~CSSStyleSheet(); 56 virtual ~CSSStyleSheet();
56 57
57 virtual CSSStyleSheet* parentStyleSheet() const OVERRIDE; 58 virtual CSSStyleSheet* parentStyleSheet() const OVERRIDE;
58 virtual Node* ownerNode() const OVERRIDE { return m_ownerNode; } 59 virtual Node* ownerNode() const OVERRIDE { return m_ownerNode; }
59 virtual MediaList* media() const OVERRIDE; 60 virtual MediaList* media() const OVERRIDE;
60 virtual String href() const OVERRIDE; 61 virtual String href() const OVERRIDE;
61 virtual String title() const OVERRIDE { return m_title; } 62 virtual String title() const OVERRIDE { return m_title; }
62 virtual bool disabled() const OVERRIDE { return m_isDisabled; } 63 virtual bool disabled() const OVERRIDE { return m_isDisabled; }
63 virtual void setDisabled(bool) OVERRIDE; 64 virtual void setDisabled(bool) OVERRIDE;
(...skipping 39 matching lines...) Expand 10 before | Expand all | Expand 10 after
103 void didMutateRules(); 104 void didMutateRules();
104 void didMutate(StyleSheetUpdateType = PartialRuleUpdate); 105 void didMutate(StyleSheetUpdateType = PartialRuleUpdate);
105 106
106 void clearChildRuleCSSOMWrappers(); 107 void clearChildRuleCSSOMWrappers();
107 108
108 StyleSheetContents* contents() const { return m_contents.get(); } 109 StyleSheetContents* contents() const { return m_contents.get(); }
109 110
110 bool isInline() const { return m_isInlineStylesheet; } 111 bool isInline() const { return m_isInlineStylesheet; }
111 TextPosition startPositionInSource() const { return m_startPosition; } 112 TextPosition startPositionInSource() const { return m_startPosition; }
112 113
114 bool sheetLoaded();
115 bool loadCompleted() const { return m_loadCompleted; }
116 void completeLoading() { m_loadCompleted = true; }
117 void startLoadingDynamicSheet();
118
113 private: 119 private:
114 CSSStyleSheet(PassRefPtr<StyleSheetContents>, CSSImportRule* ownerRule); 120 CSSStyleSheet(PassRefPtr<StyleSheetContents>, CSSImportRule* ownerRule);
115 CSSStyleSheet(PassRefPtr<StyleSheetContents>, Node* ownerNode, bool isInline Stylesheet, const TextPosition& startPosition); 121 CSSStyleSheet(PassRefPtr<StyleSheetContents>, Node* ownerNode, bool isInline Stylesheet, const TextPosition& startPosition);
116 122
117 virtual bool isCSSStyleSheet() const { return true; } 123 virtual bool isCSSStyleSheet() const { return true; }
118 virtual String type() const { return "text/css"; } 124 virtual String type() const { return "text/css"; }
119 125
120 void reattachChildRuleCSSOMWrappers(); 126 void reattachChildRuleCSSOMWrappers();
121 127
122 bool canAccessRules() const; 128 bool canAccessRules() const;
123 129
124 RefPtr<StyleSheetContents> m_contents; 130 RefPtr<StyleSheetContents> m_contents;
125 bool m_isInlineStylesheet; 131 bool m_isInlineStylesheet;
126 bool m_isDisabled; 132 bool m_isDisabled;
127 String m_title; 133 String m_title;
128 RefPtr<MediaQuerySet> m_mediaQueries; 134 RefPtr<MediaQuerySet> m_mediaQueries;
129 135
130 Node* m_ownerNode; 136 Node* m_ownerNode;
131 CSSRule* m_ownerRule; 137 CSSRule* m_ownerRule;
132 138
133 TextPosition m_startPosition; 139 TextPosition m_startPosition;
140 bool m_loadCompleted;
134 141
135 mutable RefPtr<MediaList> m_mediaCSSOMWrapper; 142 mutable RefPtr<MediaList> m_mediaCSSOMWrapper;
136 mutable Vector<RefPtr<CSSRule> > m_childRuleCSSOMWrappers; 143 mutable Vector<RefPtr<CSSRule> > m_childRuleCSSOMWrappers;
137 mutable OwnPtr<CSSRuleList> m_ruleListCSSOMWrapper; 144 mutable OwnPtr<CSSRuleList> m_ruleListCSSOMWrapper;
138 }; 145 };
139 146
140 inline CSSStyleSheet::RuleMutationScope::RuleMutationScope(CSSStyleSheet* sheet) 147 inline CSSStyleSheet::RuleMutationScope::RuleMutationScope(CSSStyleSheet* sheet)
141 : m_styleSheet(sheet) 148 : m_styleSheet(sheet)
142 { 149 {
143 if (m_styleSheet) 150 if (m_styleSheet)
(...skipping 11 matching lines...) Expand all
155 { 162 {
156 if (m_styleSheet) 163 if (m_styleSheet)
157 m_styleSheet->didMutateRules(); 164 m_styleSheet->didMutateRules();
158 } 165 }
159 166
160 DEFINE_TYPE_CASTS(CSSStyleSheet, StyleSheet, sheet, sheet->isCSSStyleSheet(), sh eet.isCSSStyleSheet()); 167 DEFINE_TYPE_CASTS(CSSStyleSheet, StyleSheet, sheet, sheet->isCSSStyleSheet(), sh eet.isCSSStyleSheet());
161 168
162 } // namespace 169 } // namespace
163 170
164 #endif 171 #endif
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