Source/core/dom/StyleEngine.h - Issue 28553005: Avoid parsing css text if there are identical inline style blocks.

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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 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)	2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)

3 * (C) 1999 Antti Koivisto (koivisto@kde.org)	3 * (C) 1999 Antti Koivisto (koivisto@kde.org)

4 * (C) 2001 Dirk Mueller (mueller@kde.org)	4 * (C) 2001 Dirk Mueller (mueller@kde.org)

5 * (C) 2006 Alexey Proskuryakov (ap@webkit.org)	5 * (C) 2006 Alexey Proskuryakov (ap@webkit.org)

6 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All r ights reserved.	6 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All r ights reserved.

7 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.t orchmobile.com/)	7 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.t orchmobile.com/)

8 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)	8 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)

9 * Copyright (C) 2011 Google Inc. All rights reserved.	9 * Copyright (C) 2011 Google Inc. All rights reserved.

10 *	10 *

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171	171

172 void didAttach();	172 void didAttach();

173 void didDetach();	173 void didDetach();

174 bool shouldClearResolver() const;	174 bool shouldClearResolver() const;

175 StyleResolverChange resolverChanged(RecalcStyleTime, StyleResolverUpdateMode );	175 StyleResolverChange resolverChanged(RecalcStyleTime, StyleResolverUpdateMode );

176 unsigned resolverAccessCount() const;	176 unsigned resolverAccessCount() const;

177	177

178 void collectDocumentActiveStyleSheets(StyleSheetCollectionBase&);	178 void collectDocumentActiveStyleSheets(StyleSheetCollectionBase&);

179 void markDocumentDirty();	179 void markDocumentDirty();

180	180

	181 static PassRefPtr<CSSStyleSheet> createSheet(Element*, const String& text, T extPosition startPosition, bool createdByParser);

	182 static void removeSheet(StyleSheetContents*);

	183 static void clearSheetCache();

	184

181 private:	185 private:

182 StyleEngine(Document&);	186 StyleEngine(Document&);

183	187

184 StyleSheetCollection* ensureStyleSheetCollectionFor(TreeScope&);	188 StyleSheetCollection* ensureStyleSheetCollectionFor(TreeScope&);

185 StyleSheetCollection* styleSheetCollectionFor(TreeScope&);	189 StyleSheetCollection* styleSheetCollectionFor(TreeScope&);

186 bool shouldUpdateShadowTreeStyleSheetCollection(StyleResolverUpdateMode);	190 bool shouldUpdateShadowTreeStyleSheetCollection(StyleResolverUpdateMode);

187 void resolverThrowawayTimerFired(Timer<StyleEngine>*);	191 void resolverThrowawayTimerFired(Timer<StyleEngine>*);

188	192

189 void markTreeScopeDirty(TreeScope&);	193 void markTreeScopeDirty(TreeScope&);

190	194

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238 unsigned m_lastResolverAccessCount;	242 unsigned m_lastResolverAccessCount;

239 Timer<StyleEngine> m_resolverThrowawayTimer;	243 Timer<StyleEngine> m_resolverThrowawayTimer;

240 OwnPtr<StyleResolver> m_resolver;	244 OwnPtr<StyleResolver> m_resolver;

241	245

242 RefPtr<CSSFontSelector> m_fontSelector;	246 RefPtr<CSSFontSelector> m_fontSelector;

243 };	247 };

244	248

245 }	249 }

246	250

247 #endif	251 #endif

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