1/*
2 * Copyright (C) 2006, 2011, 2012 Apple Computer, Inc.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * Library General Public License for more details.
13 *
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
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 *
19 */
20
21#include "config.h"
22#include "core/html/HTMLOptionsCollection.h"
23
24#include "bindings/v8/ExceptionState.h"
25#include "core/dom/ExceptionCode.h"
26#include "core/dom/NamedNodesCollection.h"
27#include "core/html/HTMLOptionElement.h"
28#include "core/html/HTMLSelectElement.h"
29
30namespace WebCore {
31
32HTMLOptionsCollection::HTMLOptionsCollection(Node* select)
33    : HTMLCollection(select, SelectOptions, DoesNotOverrideItemAfter)
34{
35    ASSERT(select->hasTagName(HTMLNames::selectTag));
36    ScriptWrappable::init(this);
37}
38
39PassRefPtr<HTMLOptionsCollection> HTMLOptionsCollection::create(Node* select, CollectionType)
40{
41    return adoptRef(new HTMLOptionsCollection(select));
42}
43
44void HTMLOptionsCollection::add(PassRefPtr<HTMLOptionElement> element, ExceptionState& es)
45{
46    add(element, length(), es);
47}
48
49void HTMLOptionsCollection::add(PassRefPtr<HTMLOptionElement> element, int index, ExceptionState& es)
50{
51    HTMLOptionElement* newOption = element.get();
52
53    if (!newOption) {
54        es.throwDOMException(TypeMismatchError);
55        return;
56    }
57
58    if (index < -1) {
59        es.throwDOMException(IndexSizeError);
60        return;
61    }
62
63    HTMLSelectElement* select = toHTMLSelectElement(ownerNode());
64
65    if (index == -1 || unsigned(index) >= length())
66        select->add(newOption, 0, es);
67    else
68        select->add(newOption, toHTMLOptionElement(item(index)), es);
69
70    ASSERT(!es.hadException());
71}
72
73void HTMLOptionsCollection::remove(int index)
74{
75    toHTMLSelectElement(ownerNode())->remove(index);
76}
77
78int HTMLOptionsCollection::selectedIndex() const
79{
80    return toHTMLSelectElement(ownerNode())->selectedIndex();
81}
82
83void HTMLOptionsCollection::setSelectedIndex(int index)
84{
85    toHTMLSelectElement(ownerNode())->setSelectedIndex(index);
86}
87
88void HTMLOptionsCollection::setLength(unsigned length, ExceptionState& es)
89{
90    toHTMLSelectElement(ownerNode())->setLength(length, es);
91}
92
93void HTMLOptionsCollection::anonymousNamedGetter(const AtomicString& name, bool& returnValue0Enabled, RefPtr<NodeList>& returnValue0, bool& returnValue1Enabled, RefPtr<Node>& returnValue1)
94{
95    Vector<RefPtr<Node> > namedItems;
96    this->namedItems(name, namedItems);
97
98    if (!namedItems.size())
99        return;
100
101    if (namedItems.size() == 1) {
102        returnValue1Enabled = true;
103        returnValue1 = namedItems.at(0);
104        return;
105    }
106
107    returnValue0Enabled = true;
108    returnValue0 = NamedNodesCollection::create(namedItems);
109}
110
111bool HTMLOptionsCollection::anonymousIndexedSetterRemove(unsigned index, ExceptionState& es)
112{
113    HTMLSelectElement* base = toHTMLSelectElement(ownerNode());
114    base->remove(index);
115    return true;
116}
117
118bool HTMLOptionsCollection::anonymousIndexedSetter(unsigned index, PassRefPtr<HTMLOptionElement> value, ExceptionState& es)
119{
120    HTMLSelectElement* base = toHTMLSelectElement(ownerNode());
121    if (!value) {
122        es.throwDOMException(TypeMismatchError);
123        return true;
124    }
125    base->setOption(index, value.get(), es);
126    return true;
127}
128
129} //namespace
130
131