1/* 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) 4 * (C) 2000 Dirk Mueller (mueller@kde.org) 5 * Copyright (C) 2004, 2005, 2006, 2010 Apple Inc. All rights reserved. 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public License 18 * along with this library; see the file COPYING.LIB. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 * 22 */ 23 24#ifndef HTMLFieldSetElement_h 25#define HTMLFieldSetElement_h 26 27#include "core/html/HTMLFormControlElement.h" 28 29namespace WebCore { 30 31class FormAssociatedElement; 32class HTMLCollection; 33 34class HTMLFieldSetElement FINAL : public HTMLFormControlElement { 35public: 36 static PassRefPtr<HTMLFieldSetElement> create(Document&, HTMLFormElement*); 37 HTMLLegendElement* legend() const; 38 39 PassRefPtr<HTMLCollection> elements(); 40 41 const Vector<FormAssociatedElement*>& associatedElements() const; 42 unsigned length() const; 43 44protected: 45 virtual void disabledAttributeChanged() OVERRIDE; 46 47private: 48 HTMLFieldSetElement(Document&, HTMLFormElement*); 49 50 virtual bool isEnumeratable() const { return true; } 51 virtual bool supportsFocus() const; 52 virtual RenderObject* createRenderer(RenderStyle*); 53 virtual const AtomicString& formControlType() const; 54 virtual bool recalcWillValidate() const { return false; } 55 virtual void childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta) OVERRIDE; 56 virtual bool areAuthorShadowsAllowed() const OVERRIDE { return false; } 57 58 static void invalidateDisabledStateUnder(Element&); 59 void refreshElementsIfNeeded() const; 60 61 mutable Vector<FormAssociatedElement*> m_associatedElements; 62 // When dom tree is modified, we have to refresh the m_associatedElements array. 63 mutable uint64_t m_documentVersion; 64}; 65 66DEFINE_NODE_TYPE_CASTS(HTMLFieldSetElement, hasTagName(HTMLNames::fieldsetTag)); 67 68} // namespace 69 70#endif 71