summaryrefslogtreecommitdiffstats
path: root/Source/WebCore/html/FormAssociatedElement.h
blob: 873bdf464860b50e49b15487ef7383d8e17851fc (plain)
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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
/*
 * 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, 2008, 2009, 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 FormAssociatedElement_h
#define FormAssociatedElement_h

#include "HTMLElement.h"

namespace WebCore {

class FormDataList;
class HTMLFormElement;
class ValidationMessage;
class ValidityState;
class VisibleSelection;

class FormAssociatedElement {
public:
    virtual ~FormAssociatedElement();

    void ref() { refFormAssociatedElement(); }
    void deref() { derefFormAssociatedElement(); }

    HTMLFormElement* form() const { return m_form; }
    ValidityState* validity();

    virtual bool isFormControlElement() const = 0;
    virtual bool isEnumeratable() const = 0;

    const AtomicString& name() const { return formControlName(); }

    // Override in derived classes to get the encoded name=value pair for submitting.
    // Return true for a successful control (see HTML4-17.13.2).
    virtual bool appendFormData(FormDataList&, bool) { return false; }

    virtual void formDestroyed() { m_form = 0; }

    void resetFormOwner(HTMLFormElement*);

protected:
    FormAssociatedElement(HTMLFormElement*);

    void insertedIntoTree();
    void removedFromTree();

    void willMoveToNewOwnerDocument();

    void setForm(HTMLFormElement* form) { m_form = form; }
    void removeFromForm();
    void formAttributeChanged();

private:
    virtual const AtomicString& formControlName() const = 0;

    virtual void refFormAssociatedElement() = 0;
    virtual void derefFormAssociatedElement() = 0;

    HTMLFormElement* m_form;
    OwnPtr<ValidityState> m_validityState;
};

HTMLElement* toHTMLElement(FormAssociatedElement*);
const HTMLElement* toHTMLElement(const FormAssociatedElement*);

} // namespace

#endif // FormAssociatedElement_h