1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved. 4 * Copyright (C) 2013 Google Inc. All rights reserved. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public License 17 * along with this library; see the file COPYING.LIB. If not, write to 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 * 21 */ 22 23 #ifndef InspectorCSSOMWrappers_h 24 #define InspectorCSSOMWrappers_h 25 26 #include "wtf/Forward.h" 27 #include "wtf/HashMap.h" 28 #include "wtf/HashSet.h" 29 #include "wtf/Vector.h" 30 31 namespace WebCore { 32 33 class CSSStyleRule; 34 class CSSStyleSheet; 35 class DocumentStyleSheetCollection; 36 class StyleRule; 37 class StyleSheetContents; 38 39 class InspectorCSSOMWrappers { 40 public: 41 // WARNING. This will construct CSSOM wrappers for all style rules and cache them in a map for significant memory cost. 42 // It is here to support inspector. Don't use for any regular engine functions. 43 CSSStyleRule* getWrapperForRuleInSheets(StyleRule*, DocumentStyleSheetCollection*); 44 void collectFromStyleSheetIfNeeded(CSSStyleSheet*); 45 void reset(); 46 47 private: 48 template <class ListType> 49 void collect(ListType*); 50 51 void collectFromStyleSheetContents(HashSet<RefPtr<CSSStyleSheet> >& sheetWrapperSet, StyleSheetContents*); 52 void collectFromStyleSheets(const Vector<RefPtr<CSSStyleSheet> >&); 53 void collectFromDocumentStyleSheetCollection(DocumentStyleSheetCollection*); 54 55 HashMap<StyleRule*, RefPtr<CSSStyleRule> > m_styleRuleToCSSOMWrapperMap; 56 HashSet<RefPtr<CSSStyleSheet> > m_styleSheetCSSOMWrapperSet; 57 }; 58 59 } // namespace WebCore 60 61 #endif // InspectorCSSOMWrappers_h 62
