1/* 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) 4 * Copyright (C) 2003, 2010 Apple 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 HTMLStyleElement_h 24#define HTMLStyleElement_h 25 26#include "HTMLElement.h" 27#include "StyleElement.h" 28 29namespace WebCore { 30 31class HTMLStyleElement; 32class StyleSheet; 33 34template<typename T> class EventSender; 35typedef EventSender<HTMLStyleElement> StyleEventSender; 36 37class HTMLStyleElement FINAL : public HTMLElement, private StyleElement { 38public: 39 static PassRefPtr<HTMLStyleElement> create(const QualifiedName&, Document*, bool createdByParser); 40 virtual ~HTMLStyleElement(); 41 42 void setType(const AtomicString&); 43 44 bool scoped() const; 45 void setScoped(bool); 46 Element* scopingElement() const; 47 bool isRegisteredAsScoped() const 48 { 49 // Note: We cannot rely on the 'scoped' attribute still being present when this method is invoked. 50 // Therefore we cannot rely on scoped()! 51 if (m_scopedStyleRegistrationState == NotRegistered) 52 return false; 53 return true; 54 } 55 56 using StyleElement::sheet; 57 58 bool disabled() const; 59 void setDisabled(bool); 60 61 void dispatchPendingEvent(StyleEventSender*); 62 static void dispatchPendingLoadEvents(); 63 64private: 65 HTMLStyleElement(const QualifiedName&, Document*, bool createdByParser); 66 67 // overload from HTMLElement 68 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; 69 virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE; 70 virtual void removedFrom(ContainerNode*) OVERRIDE; 71 virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0); 72 73 virtual void finishParsingChildren(); 74 75 virtual bool isLoading() const { return StyleElement::isLoading(); } 76 virtual bool sheetLoaded() { return StyleElement::sheetLoaded(document()); } 77 virtual void notifyLoadedSheetAndAllCriticalSubresources(bool errorOccurred); 78 virtual void startLoadingDynamicSheet() { StyleElement::startLoadingDynamicSheet(document()); } 79 80 virtual void addSubresourceAttributeURLs(ListHashSet<KURL>&) const; 81 82 virtual const AtomicString& media() const; 83 virtual const AtomicString& type() const; 84 85 void scopedAttributeChanged(bool); 86 void registerWithScopingNode(bool); 87 void unregisterWithScopingNode(ContainerNode*); 88 89 bool m_firedLoad; 90 bool m_loadedSheet; 91 92 enum ScopedStyleRegistrationState { 93 NotRegistered, 94 RegisteredAsScoped, 95 RegisteredInShadowRoot 96 }; 97 ScopedStyleRegistrationState m_scopedStyleRegistrationState; 98}; 99 100} //namespace 101 102#endif 103