1/*
2 * Copyright (C) 2010 Google Inc. All rights reserved.
3 * Copyright (C) 2011 Apple Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 *     * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *     * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *     * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include "config.h"
33#include "BaseCheckableInputType.h"
34
35#include "FormDataList.h"
36#include "HTMLInputElement.h"
37#include "HTMLNames.h"
38#include "KeyboardEvent.h"
39#include "RegularExpression.h"
40
41namespace WebCore {
42
43bool BaseCheckableInputType::saveFormControlState(String& result) const
44{
45    result = element()->checked() ? "on" : "off";
46    return true;
47}
48
49void BaseCheckableInputType::restoreFormControlState(const String& state) const
50{
51    element()->setChecked(state == "on");
52}
53
54bool BaseCheckableInputType::appendFormData(FormDataList& encoding, bool) const
55{
56    if (!element()->checked())
57        return false;
58    encoding.appendData(element()->name(), element()->value());
59    return true;
60}
61
62void BaseCheckableInputType::handleKeydownEvent(KeyboardEvent* event)
63{
64    const String& key = event->keyIdentifier();
65    if (key == "U+0020") {
66        element()->setActive(true, true);
67        // No setDefaultHandled(), because IE dispatches a keypress in this case
68        // and the caller will only dispatch a keypress if we don't call setDefaultHandled().
69    }
70}
71
72void BaseCheckableInputType::handleKeypressEvent(KeyboardEvent* event)
73{
74    if (event->charCode() == ' ') {
75        // Prevent scrolling down the page.
76        event->setDefaultHandled();
77    }
78}
79
80bool BaseCheckableInputType::canSetStringValue() const
81{
82    return false;
83}
84
85// FIXME: Could share this with BaseButtonInputType and RangeInputType if we had a common base class.
86void BaseCheckableInputType::accessKeyAction(bool sendToAnyElement)
87{
88    InputType::accessKeyAction(sendToAnyElement);
89
90    // Send mouse button events if the caller specified sendToAnyElement.
91    // FIXME: The comment above is no good. It says what we do, but not why.
92    element()->dispatchSimulatedClick(0, sendToAnyElement);
93}
94
95String BaseCheckableInputType::fallbackValue()
96{
97    return element()->checked() ? "on" : "";
98}
99
100bool BaseCheckableInputType::storesValueSeparateFromAttribute()
101{
102    return false;
103}
104
105bool BaseCheckableInputType::isCheckable()
106{
107    return true;
108}
109
110} // namespace WebCore
111