1/*
2 * Copyright (C) 2009 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32#include "V8HTMLFormElement.h"
33
34#include "HTMLCollection.h"
35#include "HTMLFormElement.h"
36#include "V8Binding.h"
37#include "V8NamedNodesCollection.h"
38#include "V8Node.h"
39#include "V8NodeList.h"
40#include "V8Proxy.h"
41
42namespace WebCore {
43
44v8::Handle<v8::Value> V8HTMLFormElement::indexedPropertyGetter(uint32_t index, const v8::AccessorInfo& info)
45{
46    INC_STATS("DOM.HTMLFormElement.IndexedPropertyGetter");
47    HTMLFormElement* form = V8HTMLFormElement::toNative(info.Holder());
48
49    RefPtr<Node> formElement = form->elements()->item(index);
50    if (!formElement)
51        return notHandledByInterceptor();
52    return toV8(formElement.release());
53}
54
55v8::Handle<v8::Value> V8HTMLFormElement::namedPropertyGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
56{
57    INC_STATS("DOM.HTMLFormElement.NamedPropertyGetter");
58    HTMLFormElement* imp = V8HTMLFormElement::toNative(info.Holder());
59    AtomicString v = v8StringToAtomicWebCoreString(name);
60
61    // Call getNamedElements twice, first time check if it has a value
62    // and let HTMLFormElement update its cache.
63    // See issue: 867404
64    {
65        Vector<RefPtr<Node> > elements;
66        imp->getNamedElements(v, elements);
67        if (elements.isEmpty())
68            return notHandledByInterceptor();
69    }
70
71    // Second call may return different results from the first call,
72    // but if the first the size cannot be zero.
73    Vector<RefPtr<Node> > elements;
74    imp->getNamedElements(v, elements);
75    ASSERT(!elements.isEmpty());
76
77    if (elements.size() == 1)
78        return toV8(elements.at(0).release());
79
80    return toV8(V8NamedNodesCollection::create(elements));
81}
82
83} // namespace WebCore
84