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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
/*
* Copyright (C) 2006, 2011, 2012 Apple Computer, Inc.
* Copyright (C) 2014 Samsung Electronics. 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.
*
*/
#include "config.h"
#include "core/html/HTMLOptionsCollection.h"
#include "bindings/v8/ExceptionMessages.h"
#include "bindings/v8/ExceptionState.h"
#include "core/dom/ExceptionCode.h"
#include "core/dom/NamedNodesCollection.h"
#include "core/html/HTMLOptionElement.h"
#include "core/html/HTMLSelectElement.h"
namespace WebCore {
HTMLOptionsCollection::HTMLOptionsCollection(ContainerNode& select)
: HTMLCollection(select, SelectOptions, DoesNotOverrideItemAfter)
{
ASSERT(isHTMLSelectElement(select));
ScriptWrappable::init(this);
}
void HTMLOptionsCollection::supportedPropertyNames(Vector<String>& names)
{
// As per http://www.whatwg.org/specs/web-apps/current-work/multipage/common-dom-interfaces.html#htmloptionscollection:
// The supported property names consist of the non-empty values of all the id and name attributes of all the elements
// represented by the collection, in tree order, ignoring later duplicates, with the id of an element preceding its
// name if it contributes both, they differ from each other, and neither is the duplicate of an earlier entry.
HashSet<AtomicString> existingNames;
unsigned length = this->length();
for (unsigned i = 0; i < length; ++i) {
Element* element = item(i);
ASSERT(element);
const AtomicString& idAttribute = element->getIdAttribute();
if (!idAttribute.isEmpty()) {
HashSet<AtomicString>::AddResult addResult = existingNames.add(idAttribute);
if (addResult.isNewEntry)
names.append(idAttribute);
}
const AtomicString& nameAttribute = element->getNameAttribute();
if (!nameAttribute.isEmpty()) {
HashSet<AtomicString>::AddResult addResult = existingNames.add(nameAttribute);
if (addResult.isNewEntry)
names.append(nameAttribute);
}
}
}
PassRefPtrWillBeRawPtr<HTMLOptionsCollection> HTMLOptionsCollection::create(ContainerNode& select, CollectionType)
{
return adoptRefWillBeNoop(new HTMLOptionsCollection(select));
}
void HTMLOptionsCollection::add(PassRefPtrWillBeRawPtr<HTMLOptionElement> element, ExceptionState& exceptionState)
{
add(element, length(), exceptionState);
}
void HTMLOptionsCollection::add(PassRefPtrWillBeRawPtr<HTMLOptionElement> element, int index, ExceptionState& exceptionState)
{
HTMLOptionElement* newOption = element.get();
if (!newOption) {
exceptionState.throwTypeError("The element provided was not an HTMLOptionElement.");
return;
}
if (index < -1) {
exceptionState.throwDOMException(IndexSizeError, "The index provided (" + String::number(index) + ") is less than -1.");
return;
}
HTMLSelectElement& select = toHTMLSelectElement(ownerNode());
if (index == -1 || unsigned(index) >= length())
select.add(newOption, 0, exceptionState);
else
select.addBeforeOptionAtIndex(newOption, index, exceptionState);
ASSERT(!exceptionState.hadException());
}
void HTMLOptionsCollection::remove(int index)
{
toHTMLSelectElement(ownerNode()).remove(index);
}
void HTMLOptionsCollection::remove(HTMLOptionElement* option)
{
return remove(option->index());
}
int HTMLOptionsCollection::selectedIndex() const
{
return toHTMLSelectElement(ownerNode()).selectedIndex();
}
void HTMLOptionsCollection::setSelectedIndex(int index)
{
toHTMLSelectElement(ownerNode()).setSelectedIndex(index);
}
void HTMLOptionsCollection::setLength(unsigned length, ExceptionState& exceptionState)
{
toHTMLSelectElement(ownerNode()).setLength(length, exceptionState);
}
void HTMLOptionsCollection::namedGetter(const AtomicString& name, bool& returnValue0Enabled, RefPtrWillBeRawPtr<NodeList>& returnValue0, bool& returnValue1Enabled, RefPtrWillBeRawPtr<Element>& returnValue1)
{
WillBeHeapVector<RefPtrWillBeMember<Element> > namedItems;
this->namedItems(name, namedItems);
if (!namedItems.size())
return;
if (namedItems.size() == 1) {
returnValue1Enabled = true;
returnValue1 = namedItems.at(0);
return;
}
// FIXME: The spec and Firefox do not return a NodeList. They always return the first matching Element.
returnValue0Enabled = true;
returnValue0 = NamedNodesCollection::create(namedItems);
}
bool HTMLOptionsCollection::anonymousIndexedSetter(unsigned index, PassRefPtrWillBeRawPtr<HTMLOptionElement> value, ExceptionState& exceptionState)
{
HTMLSelectElement& base = toHTMLSelectElement(ownerNode());
if (!value) { // undefined or null
base.remove(index);
return true;
}
base.setOption(index, value.get(), exceptionState);
return true;
}
} //namespace
|
