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1 /* | 1 /* |
2 * Copyright (C) 2007, 2008, 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2007, 2008, 2009 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
8 * | 8 * |
9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 * Library General Public License for more details. | 12 * Library General Public License for more details. |
13 * | 13 * |
14 * You should have received a copy of the GNU Library General Public License | 14 * You should have received a copy of the GNU Library General Public License |
15 * along with this library; see the file COPYING.LIB. If not, write to | 15 * along with this library; see the file COPYING.LIB. If not, write to |
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
17 * Boston, MA 02110-1301, USA. | 17 * Boston, MA 02110-1301, USA. |
18 * | 18 * |
19 */ | 19 */ |
20 | 20 |
21 #include "config.h" | 21 #include "config.h" |
22 #include "core/dom/CheckedRadioButtons.h" | 22 #include "core/html/forms/CheckedRadioButtons.h" |
23 | 23 |
24 #include "core/html/HTMLInputElement.h" | 24 #include "core/html/HTMLInputElement.h" |
25 #include "wtf/HashSet.h" | 25 #include "wtf/HashSet.h" |
26 | 26 |
27 namespace WebCore { | 27 namespace WebCore { |
28 | 28 |
29 class RadioButtonGroup { | 29 class RadioButtonGroup { |
30 WTF_MAKE_FAST_ALLOCATED; | 30 WTF_MAKE_FAST_ALLOCATED; |
31 public: | 31 public: |
32 static PassOwnPtr<RadioButtonGroup> create(); | 32 static PassOwnPtr<RadioButtonGroup> create(); |
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81 ASSERT(button->isRadioButton()); | 81 ASSERT(button->isRadioButton()); |
82 if (!m_members.add(button).isNewEntry) | 82 if (!m_members.add(button).isNewEntry) |
83 return; | 83 return; |
84 bool groupWasValid = isValid(); | 84 bool groupWasValid = isValid(); |
85 if (button->isRequired()) | 85 if (button->isRequired()) |
86 ++m_requiredCount; | 86 ++m_requiredCount; |
87 if (button->checked()) | 87 if (button->checked()) |
88 setCheckedButton(button); | 88 setCheckedButton(button); |
89 | 89 |
90 bool groupIsValid = isValid(); | 90 bool groupIsValid = isValid(); |
91 if (groupWasValid != groupIsValid) | 91 if (groupWasValid != groupIsValid) { |
92 setNeedsValidityCheckForAllButtons(); | 92 setNeedsValidityCheckForAllButtons(); |
93 else if (!groupIsValid) { | 93 } else if (!groupIsValid) { |
94 // A radio button not in a group is always valid. We need to make it | 94 // A radio button not in a group is always valid. We need to make it |
95 // invalid only if the group is invalid. | 95 // invalid only if the group is invalid. |
96 button->setNeedsValidityCheck(); | 96 button->setNeedsValidityCheck(); |
97 } | 97 } |
98 } | 98 } |
99 | 99 |
100 void RadioButtonGroup::updateCheckedState(HTMLInputElement* button) | 100 void RadioButtonGroup::updateCheckedState(HTMLInputElement* button) |
101 { | 101 { |
102 ASSERT(button->isRadioButton()); | 102 ASSERT(button->isRadioButton()); |
103 ASSERT(m_members.contains(button)); | 103 ASSERT(m_members.contains(button)); |
104 bool wasValid = isValid(); | 104 bool wasValid = isValid(); |
105 if (button->checked()) | 105 if (button->checked()) { |
106 setCheckedButton(button); | 106 setCheckedButton(button); |
107 else { | 107 } else { |
108 if (m_checkedButton == button) | 108 if (m_checkedButton == button) |
109 m_checkedButton = 0; | 109 m_checkedButton = 0; |
110 } | 110 } |
111 if (wasValid != isValid()) | 111 if (wasValid != isValid()) |
112 setNeedsValidityCheckForAllButtons(); | 112 setNeedsValidityCheckForAllButtons(); |
113 } | 113 } |
114 | 114 |
115 void RadioButtonGroup::requiredAttributeChanged(HTMLInputElement* button) | 115 void RadioButtonGroup::requiredAttributeChanged(HTMLInputElement* button) |
116 { | 116 { |
117 ASSERT(button->isRadioButton()); | 117 ASSERT(button->isRadioButton()); |
118 ASSERT(m_members.contains(button)); | 118 ASSERT(m_members.contains(button)); |
119 bool wasValid = isValid(); | 119 bool wasValid = isValid(); |
120 if (button->isRequired()) | 120 if (button->isRequired()) { |
121 ++m_requiredCount; | 121 ++m_requiredCount; |
122 else { | 122 } else { |
123 ASSERT(m_requiredCount); | 123 ASSERT(m_requiredCount); |
124 --m_requiredCount; | 124 --m_requiredCount; |
125 } | 125 } |
126 if (wasValid != isValid()) | 126 if (wasValid != isValid()) |
127 setNeedsValidityCheckForAllButtons(); | 127 setNeedsValidityCheckForAllButtons(); |
128 } | 128 } |
129 | 129 |
130 void RadioButtonGroup::remove(HTMLInputElement* button) | 130 void RadioButtonGroup::remove(HTMLInputElement* button) |
131 { | 131 { |
132 ASSERT(button->isRadioButton()); | 132 ASSERT(button->isRadioButton()); |
133 HashSet<HTMLInputElement*>::iterator it = m_members.find(button); | 133 HashSet<HTMLInputElement*>::iterator it = m_members.find(button); |
134 if (it == m_members.end()) | 134 if (it == m_members.end()) |
135 return; | 135 return; |
136 bool wasValid = isValid(); | 136 bool wasValid = isValid(); |
137 m_members.remove(it); | 137 m_members.remove(it); |
138 if (button->isRequired()) { | 138 if (button->isRequired()) { |
139 ASSERT(m_requiredCount); | 139 ASSERT(m_requiredCount); |
140 --m_requiredCount; | 140 --m_requiredCount; |
141 } | 141 } |
142 if (m_checkedButton == button) | 142 if (m_checkedButton == button) |
143 m_checkedButton = 0; | 143 m_checkedButton = 0; |
144 | 144 |
145 if (m_members.isEmpty()) { | 145 if (m_members.isEmpty()) { |
146 ASSERT(!m_requiredCount); | 146 ASSERT(!m_requiredCount); |
147 ASSERT(!m_checkedButton); | 147 ASSERT(!m_checkedButton); |
148 } else if (wasValid != isValid()) | 148 } else if (wasValid != isValid()) { |
149 setNeedsValidityCheckForAllButtons(); | 149 setNeedsValidityCheckForAllButtons(); |
| 150 } |
150 if (!wasValid) { | 151 if (!wasValid) { |
151 // A radio button not in a group is always valid. We need to make it | 152 // A radio button not in a group is always valid. We need to make it |
152 // valid only if the group was invalid. | 153 // valid only if the group was invalid. |
153 button->setNeedsValidityCheck(); | 154 button->setNeedsValidityCheck(); |
154 } | 155 } |
155 } | 156 } |
156 | 157 |
157 void RadioButtonGroup::setNeedsValidityCheckForAllButtons() | 158 void RadioButtonGroup::setNeedsValidityCheckForAllButtons() |
158 { | 159 { |
159 typedef HashSet<HTMLInputElement*>::const_iterator Iterator; | 160 typedef HashSet<HTMLInputElement*>::const_iterator Iterator; |
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259 // FIXME: We may skip deallocating the empty RadioButtonGroup for | 260 // FIXME: We may skip deallocating the empty RadioButtonGroup for |
260 // performance improvement. If we do so, we need to change the key type | 261 // performance improvement. If we do so, we need to change the key type |
261 // of m_nameToGroupMap from StringImpl* to AtomicString. | 262 // of m_nameToGroupMap from StringImpl* to AtomicString. |
262 m_nameToGroupMap->remove(it); | 263 m_nameToGroupMap->remove(it); |
263 if (m_nameToGroupMap->isEmpty()) | 264 if (m_nameToGroupMap->isEmpty()) |
264 m_nameToGroupMap.clear(); | 265 m_nameToGroupMap.clear(); |
265 } | 266 } |
266 } | 267 } |
267 | 268 |
268 } // namespace | 269 } // namespace |
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