1/*
2 * Copyright (C) 2010 Google Inc. All rights reserved.
3 * Copyright (C) 2011-2018 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 "CheckboxInputType.h"
34
35#include "HTMLInputElement.h"
36#include "InputTypeNames.h"
37#include "KeyboardEvent.h"
38#include "LocalizedStrings.h"
39
40namespace WebCore {
41
42const AtomicString& CheckboxInputType::formControlType() const
43{
44 return InputTypeNames::checkbox();
45}
46
47bool CheckboxInputType::valueMissing(const String&) const
48{
49 ASSERT(element());
50 return element()->isRequired() && !element()->checked();
51}
52
53String CheckboxInputType::valueMissingText() const
54{
55 return validationMessageValueMissingForCheckboxText();
56}
57
58void CheckboxInputType::handleKeyupEvent(KeyboardEvent& event)
59{
60 const String& key = event.keyIdentifier();
61 if (key != "U+0020")
62 return;
63 dispatchSimulatedClickIfActive(event);
64}
65
66void CheckboxInputType::willDispatchClick(InputElementClickState& state)
67{
68 ASSERT(element());
69
70 // An event handler can use preventDefault or "return false" to reverse the checking we do here.
71 // The InputElementClickState object contains what we need to undo what we did here in didDispatchClick.
72
73 state.checked = element()->checked();
74 state.indeterminate = element()->indeterminate();
75
76 if (state.indeterminate)
77 element()->setIndeterminate(false);
78
79 element()->setChecked(!state.checked);
80}
81
82void CheckboxInputType::didDispatchClick(Event& event, const InputElementClickState& state)
83{
84 if (event.defaultPrevented() || event.defaultHandled()) {
85 ASSERT(element());
86 element()->setIndeterminate(state.indeterminate);
87 element()->setChecked(state.checked);
88 } else
89 fireInputAndChangeEvents();
90
91 // The work we did in willDispatchClick was default handling.
92 event.setDefaultHandled();
93}
94
95bool CheckboxInputType::isCheckbox() const
96{
97 return true;
98}
99
100bool CheckboxInputType::matchesIndeterminatePseudoClass() const
101{
102 return shouldAppearIndeterminate();
103}
104
105bool CheckboxInputType::shouldAppearIndeterminate() const
106{
107 ASSERT(element());
108 return element()->indeterminate();
109}
110
111} // namespace WebCore
112