1 /* 2 * Copyright (C) 2006, 2007 Rob Buis 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 * 19 */ 20 21 #ifndef StyleElement_h 22 #define StyleElement_h 23 24 #include "core/css/CSSStyleSheet.h" 25 #include "wtf/text/TextPosition.h" 26 27 namespace blink { 28 29 class ContainerNode; 30 class Document; 31 class Element; 32 class TreeScope; 33 34 class StyleElement : public WillBeGarbageCollectedMixin { 35 public: 36 StyleElement(Document*, bool createdByParser); 37 virtual ~StyleElement(); 38 virtual void trace(Visitor*); 39 40 protected: 41 virtual const AtomicString& type() const = 0; 42 virtual const AtomicString& media() const = 0; 43 44 CSSStyleSheet* sheet() const { return m_sheet.get(); } 45 46 bool isLoading() const; 47 bool sheetLoaded(Document&); 48 void startLoadingDynamicSheet(Document&); 49 50 void processStyleSheet(Document&, Element*); 51 void removedFromDocument(Document&, Element*); 52 void removedFromDocument(Document&, Element*, ContainerNode* scopingNode, TreeScope&); 53 void clearDocumentData(Document&, Element*); 54 void childrenChanged(Element*); 55 void finishParsingChildren(Element*); 56 57 RefPtrWillBeMember<CSSStyleSheet> m_sheet; 58 59 private: 60 void createSheet(Element*, const String& text = String()); 61 void process(Element*); 62 void clearSheet(Element* ownerElement = 0); 63 64 bool m_createdByParser : 1; 65 bool m_loading : 1; 66 bool m_registeredAsCandidate : 1; 67 TextPosition m_startPosition; 68 }; 69 70 } 71 72 #endif 73
