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, 2011 Apple Inc. All rights reserved. 6 * Copyright (C) 2010 Google Inc. All rights reserved. 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public License 19 * along with this library; see the file COPYING.LIB. If not, write to 20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 21 * Boston, MA 02110-1301, USA. 22 * 23 */ 24 25#ifndef HTMLOptionElement_h 26#define HTMLOptionElement_h 27 28#include "core/html/HTMLElement.h" 29 30namespace WebCore { 31 32class ExceptionState; 33class HTMLDataListElement; 34class HTMLSelectElement; 35 36class HTMLOptionElement FINAL : public HTMLElement { 37public: 38 static PassRefPtr<HTMLOptionElement> create(Document*); 39 static PassRefPtr<HTMLOptionElement> create(const QualifiedName&, Document*); 40 static PassRefPtr<HTMLOptionElement> createForJSConstructor(Document*, const String& data, const String& value, 41 bool defaultSelected, bool selected, ExceptionState&); 42 43 virtual String text() const; 44 void setText(const String&, ExceptionState&); 45 46 int index() const; 47 48 String value() const; 49 void setValue(const String&); 50 51 bool selected(); 52 void setSelected(bool); 53 54 HTMLDataListElement* ownerDataListElement() const; 55 HTMLSelectElement* ownerSelectElement() const; 56 57 String label() const; 58 void setLabel(const String&); 59 60 bool ownElementDisabled() const { return m_disabled; } 61 62 virtual bool isDisabledFormControl() const OVERRIDE; 63 64 String textIndentedToRespectGroupLabel() const; 65 66 void setSelectedState(bool); 67 68private: 69 HTMLOptionElement(const QualifiedName&, Document*); 70 71 virtual bool rendererIsFocusable() const OVERRIDE; 72 virtual bool rendererIsNeeded(const NodeRenderingContext&) { return false; } 73 virtual void attach(const AttachContext& = AttachContext()) OVERRIDE; 74 virtual void detach(const AttachContext& = AttachContext()) OVERRIDE; 75 76 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; 77 78 virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE; 79 virtual void accessKeyAction(bool); 80 81 virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0); 82 83 // <option> never has a renderer so we manually manage a cached style. 84 void updateNonRenderStyle(); 85 virtual RenderStyle* nonRendererStyle() const OVERRIDE; 86 virtual PassRefPtr<RenderStyle> customStyleForRenderer() OVERRIDE; 87 88 void didRecalcStyle(StyleChange) OVERRIDE; 89 90 String collectOptionInnerText() const; 91 92 bool m_disabled; 93 bool m_isSelected; 94 RefPtr<RenderStyle> m_style; 95}; 96 97void toHTMLOptionElement(const HTMLOptionElement*); // This overload will catch anyone doing an unnecessary cast. 98 99inline HTMLOptionElement* toHTMLOptionElement(Node* node) 100{ 101 ASSERT_WITH_SECURITY_IMPLICATION(!node || node->hasTagName(HTMLNames::optionTag)); 102 return static_cast<HTMLOptionElement*>(node); 103} 104 105inline const HTMLOptionElement* toHTMLOptionElement(const Node* node) 106{ 107 ASSERT_WITH_SECURITY_IMPLICATION(!node || node->hasTagName(HTMLNames::optionTag)); 108 return static_cast<const HTMLOptionElement*>(node); 109} 110 111} // namespace WebCore 112 113#endif 114