1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/*
* Copyright (C) 2013 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.
*
*/
#pragma once
#include "HTMLFormElement.h"
namespace WebCore {
// https://html.spec.whatwg.org/multipage/forms.html#form-associated-element
class FormAssociatedElement {
public:
void ref() const { refFormAssociatedElement(); }
void deref() const { derefFormAssociatedElement(); }
virtual ~FormAssociatedElement() { RELEASE_ASSERT(!m_form); }
virtual HTMLElement& asHTMLElement() = 0;
virtual const HTMLElement& asHTMLElement() const = 0;
virtual bool isFormListedElement() const = 0;
virtual void formWillBeDestroyed() { m_form = nullptr; }
HTMLFormElement* form() const { return m_form.get(); }
virtual HTMLFormElement* formForBindings() const;
void setForm(RefPtr<HTMLFormElement>&&);
virtual void elementInsertedIntoAncestor(Element&, Node::InsertionType);
virtual void elementRemovedFromAncestor(Element&, Node::RemovalType);
virtual FormAssociatedElement* asFormAssociatedElement() = 0;
protected:
explicit FormAssociatedElement(HTMLFormElement*);
virtual void resetFormOwner() = 0;
virtual void setFormInternal(RefPtr<HTMLFormElement>&&);
private:
virtual void refFormAssociatedElement() const = 0;
virtual void derefFormAssociatedElement() const = 0;
WeakPtr<HTMLFormElement, WeakPtrImplWithEventTargetData> m_form;
WeakPtr<HTMLFormElement, WeakPtrImplWithEventTargetData> m_formSetByParser;
};
inline void FormAssociatedElement::setForm(RefPtr<HTMLFormElement>&& newForm)
{
if (m_form.get() != newForm)
setFormInternal(WTFMove(newForm));
}
} // namespace WebCore
|
