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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, 2007, 2010 Apple 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 HTMLLabelElement_h
#define HTMLLabelElement_h
#include "core/html/FormAssociatedElement.h"
#include "core/html/HTMLElement.h"
#include "core/html/LabelableElement.h"
namespace blink {
class HTMLLabelElement final : public HTMLElement, public FormAssociatedElement {
DEFINE_WRAPPERTYPEINFO();
WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(HTMLLabelElement);
public:
static PassRefPtrWillBeRawPtr<HTMLLabelElement> create(Document&, HTMLFormElement*);
LabelableElement* control() const;
virtual bool willRespondToMouseClickEvents() override;
virtual void trace(Visitor*) override;
virtual HTMLFormElement* formOwner() const override;
#if !ENABLE(OILPAN)
using Node::ref;
using Node::deref;
#endif
private:
explicit HTMLLabelElement(Document&, HTMLFormElement*);
bool isInInteractiveContent(Node*) const;
virtual bool rendererIsFocusable() const override;
virtual bool isInteractiveContent() const override;
virtual void accessKeyAction(bool sendMouseEvents) override;
virtual void attributeWillChange(const QualifiedName&, const AtomicString& oldValue, const AtomicString& newValue) override;
virtual InsertionNotificationRequest insertedInto(ContainerNode*) override;
virtual void removedFrom(ContainerNode*) override;
// Overridden to update the hover/active state of the corresponding control.
virtual void setActive(bool = true) override;
virtual void setHovered(bool = true) override;
// Overridden to either click() or focus() the corresponding control.
virtual void defaultEventHandler(Event*) override;
virtual void focus(bool restorePreviousSelection, FocusType) override;
// FormAssociatedElement methods
virtual bool isFormControlElement() const override { return false; }
virtual bool isEnumeratable() const override { return false; }
virtual bool isLabelElement() const override { return true; }
#if !ENABLE(OILPAN)
virtual void refFormAssociatedElement() override { ref(); }
virtual void derefFormAssociatedElement() override { deref(); }
#endif
virtual void parseAttribute(const QualifiedName&, const AtomicString&) override;
void updateLabel(TreeScope&, const AtomicString& oldForAttributeValue, const AtomicString& newForAttributeValue);
bool m_processingClick;
};
template<typename T> inline const T& toElement(const FormAssociatedElement&);
template<typename T> inline const T* toElement(const FormAssociatedElement*);
// Make toHTMLLabelElement() accept a FormAssociatedElement as input instead of a Node.
template<> inline const HTMLLabelElement* toElement<HTMLLabelElement>(const FormAssociatedElement* element)
{
const HTMLLabelElement* labelElement = static_cast<const HTMLLabelElement*>(element);
// FormAssociatedElement doesn't have hasTagName, hence check for assert.
ASSERT_WITH_SECURITY_IMPLICATION(!labelElement || labelElement->hasTagName(HTMLNames::labelTag));
return labelElement;
}
template<> inline const HTMLLabelElement& toElement<HTMLLabelElement>(const FormAssociatedElement& element)
{
const HTMLLabelElement& labelElement = static_cast<const HTMLLabelElement&>(element);
// FormAssociatedElement doesn't have hasTagName, hence check for assert.
ASSERT_WITH_SECURITY_IMPLICATION(labelElement.hasTagName(HTMLNames::labelTag));
return labelElement;
}
} // namespace blink
#endif // HTMLLabelElement_h
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