1/*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 *           (C) 1999 Antti Koivisto (koivisto@kde.org)
4 *           (C) 2001 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
6 *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public License
19 * along with this library; see the file COPYING.LIB.  If not, write to
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
22 *
23 */
24
25#include "config.h"
26#include "core/html/HTMLFormControlElementWithState.h"
27
28#include "core/frame/FrameHost.h"
29#include "core/frame/LocalFrame.h"
30#include "core/html/HTMLFormElement.h"
31#include "core/html/forms/FormController.h"
32#include "core/loader/FrameLoaderClient.h"
33#include "core/page/Chrome.h"
34#include "core/page/ChromeClient.h"
35
36namespace blink {
37
38HTMLFormControlElementWithState::HTMLFormControlElementWithState(const QualifiedName& tagName, Document& doc, HTMLFormElement* f)
39    : HTMLFormControlElement(tagName, doc, f)
40{
41}
42
43HTMLFormControlElementWithState::~HTMLFormControlElementWithState()
44{
45}
46
47Node::InsertionNotificationRequest HTMLFormControlElementWithState::insertedInto(ContainerNode* insertionPoint)
48{
49    if (insertionPoint->inDocument() && !containingShadowRoot())
50        document().formController().registerStatefulFormControl(*this);
51    return HTMLFormControlElement::insertedInto(insertionPoint);
52}
53
54void HTMLFormControlElementWithState::removedFrom(ContainerNode* insertionPoint)
55{
56    if (insertionPoint->inDocument() && !containingShadowRoot() && !insertionPoint->containingShadowRoot())
57        document().formController().unregisterStatefulFormControl(*this);
58    HTMLFormControlElement::removedFrom(insertionPoint);
59}
60
61bool HTMLFormControlElementWithState::shouldAutocomplete() const
62{
63    if (!form())
64        return true;
65    return form()->shouldAutocomplete();
66}
67
68void HTMLFormControlElementWithState::notifyFormStateChanged()
69{
70    // This can be called during fragment parsing as a result of option
71    // selection before the document is active (or even in a frame).
72    if (!document().isActive())
73        return;
74    document().frame()->loader().client()->didUpdateCurrentHistoryItem();
75}
76
77bool HTMLFormControlElementWithState::shouldSaveAndRestoreFormControlState() const
78{
79    // We don't save/restore control state in a form with autocomplete=off.
80    return inDocument() && shouldAutocomplete();
81}
82
83FormControlState HTMLFormControlElementWithState::saveFormControlState() const
84{
85    return FormControlState();
86}
87
88void HTMLFormControlElementWithState::finishParsingChildren()
89{
90    HTMLFormControlElement::finishParsingChildren();
91    document().formController().restoreControlStateFor(*this);
92}
93
94bool HTMLFormControlElementWithState::isFormControlElementWithState() const
95{
96    return true;
97}
98
99} // namespace blink
100