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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 THIRD_PARTY_BLINK_RENDERER_CORE_HTML_FORMS_HTML_OPTION_ELEMENT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_FORMS_HTML_OPTION_ELEMENT_H_
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/dom/events/simulated_click_options.h"
#include "third_party/blink/renderer/core/html/html_element.h"
namespace blink {
class ExceptionState;
class HTMLDataListElement;
class HTMLSelectElement;
class OptionTextObserver;
class CORE_EXPORT HTMLOptionElement final : public HTMLElement {
DEFINE_WRAPPERTYPEINFO();
public:
static HTMLOptionElement* CreateForJSConstructor(
Document& document,
const String& data,
ExceptionState& exception_state) {
return CreateForJSConstructor(document, data, AtomicString(), false, false,
exception_state);
}
static HTMLOptionElement* CreateForJSConstructor(Document&,
const String& data,
const AtomicString& value,
bool default_selected,
bool selected,
ExceptionState&);
explicit HTMLOptionElement(Document&);
~HTMLOptionElement() override;
void Trace(Visitor* visitor) const override;
// 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&);
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;
void SetMultiSelectFocusedState(bool);
bool IsMultiSelectFocused() const;
void SetWasOptionInsertedCalled(bool flag) {
was_option_inserted_called_ = flag;
}
bool WasOptionInsertedCalled() const { return was_option_inserted_called_; }
// Callback for OptionTextObserver.
void DidChangeTextContent();
private:
bool SupportsFocus() const override;
bool MatchesDefaultPseudoClass() const override;
bool MatchesEnabledPseudoClass() const override;
void ParseAttribute(const AttributeModificationParams&) override;
void AccessKeyAction(SimulatedClickCreationScope) override;
void ChildrenChanged(const ChildrenChange&) override;
void DidAddUserAgentShadowRoot(ShadowRoot&) override;
String CollectOptionInnerText() const;
void UpdateLabel();
Member<OptionTextObserver> text_observer_;
// Represents 'selectedness'.
// https://html.spec.whatwg.org/C/#concept-option-selectedness
bool is_selected_;
// Represents 'dirtiness'.
// https://html.spec.whatwg.org/C/#concept-option-dirtiness
bool is_dirty_ = false;
// Represents the option being focused on in a multi-select non-contiguous
// traversal via the keyboard.
bool is_multi_select_focused_ = false;
// True while HTMLSelectElement::OptionInserted(this) and OptionRemoved(this);
// This flag is necessary to detect a state where DOM tree is updated and
// OptionInserted() is not called yet.
bool was_option_inserted_called_ = false;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_FORMS_HTML_OPTION_ELEMENT_H_
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