1/* 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. 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/RefPtr.h> 30#include <wtf/Vector.h> 31 32namespace WebCore { 33 34class CSSStyleRule; 35class CSSStyleSheet; 36class DocumentStyleSheetCollection; 37class StyleRule; 38class StyleSheetContents; 39 40class InspectorCSSOMWrappers { 41public: 42 // WARNING. This will construct CSSOM wrappers for all style rules and cache them in a map for significant memory cost. 43 // It is here to support inspector. Don't use for any regular engine functions. 44 CSSStyleRule* getWrapperForRuleInSheets(StyleRule*, DocumentStyleSheetCollection*); 45 void collectFromStyleSheetIfNeeded(CSSStyleSheet*); 46 47private: 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