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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2000 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2004, 2005, 2006, 2010, 2011 Apple Inc. All rights reserved.
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef HTMLOptionElement_h
#define HTMLOptionElement_h
#include "core/CoreExport.h"
#include "core/html/HTMLElement.h"
namespace blink {
class ExceptionState;
class HTMLDataListElement;
class HTMLSelectElement;
class ComputedStyle;
class CORE_EXPORT HTMLOptionElement final : public HTMLElement {
DEFINE_WRAPPERTYPEINFO();
public:
static HTMLOptionElement* create(Document&);
static HTMLOptionElement* createForJSConstructor(Document&,
const String& data,
const AtomicString& value,
bool defaultSelected,
bool selected,
ExceptionState&);
// A text to be shown to users. The difference from |label()| is |label()|
// returns an empty string if |label| content attribute is empty.
// |displayLabel()| returns the value string in that case.
String displayLabel() const;
// |text| IDL attribute implementations.
String text() const;
void setText(const String&, ExceptionState&);
int index() const;
String value() const;
void setValue(const AtomicString&);
bool selected() const;
void setSelected(bool);
bool selectedForBinding() const;
void setSelectedForBinding(bool);
HTMLDataListElement* ownerDataListElement() const;
HTMLSelectElement* ownerSelectElement() const;
String label() const;
void setLabel(const AtomicString&);
bool ownElementDisabled() const;
bool isDisabledFormControl() const override;
String defaultToolTip() const override;
String textIndentedToRespectGroupLabel() const;
// Update 'selectedness'.
void setSelectedState(bool);
// Update 'dirtiness'.
void setDirty(bool);
HTMLFormElement* form() const;
bool spatialNavigationFocused() const;
bool isDisplayNone() const;
int listIndex() const;
private:
explicit HTMLOptionElement(Document&);
~HTMLOptionElement();
bool supportsFocus() const override;
bool matchesDefaultPseudoClass() const override;
bool matchesEnabledPseudoClass() const override;
void attachLayoutTree(const AttachContext& = AttachContext()) override;
void detachLayoutTree(const AttachContext& = AttachContext()) override;
void parseAttribute(const AttributeModificationParams&) override;
InsertionNotificationRequest insertedInto(ContainerNode*) override;
void removedFrom(ContainerNode*) override;
void accessKeyAction(bool) override;
void childrenChanged(const ChildrenChange&) override;
String innerText() override;
// <option> never has a layoutObject so we manually manage a cached style.
void updateNonComputedStyle();
ComputedStyle* nonLayoutObjectComputedStyle() const override;
PassRefPtr<ComputedStyle> customStyleForLayoutObject() override;
void didAddUserAgentShadowRoot(ShadowRoot&) override;
String collectOptionInnerText() const;
void updateLabel();
// Represents 'selectedness'.
// https://html.spec.whatwg.org/multipage/forms.html#concept-option-selectedness
bool m_isSelected;
// Represents 'dirtiness'.
// https://html.spec.whatwg.org/multipage/forms.html#concept-option-dirtiness
bool m_isDirty = false;
RefPtr<ComputedStyle> m_style;
};
} // namespace blink
#endif // HTMLOptionElement_h
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