1/*
2 * Copyright (C) 2010 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 "V8DOMStringMap.h"
33
34#include "DOMStringMap.h"
35#include "V8Binding.h"
36#include "V8DOMWrapper.h"
37#include "V8Element.h"
38
39namespace WebCore {
40
41v8::Handle<v8::Integer> V8DOMStringMap::namedPropertyQuery(v8::Local<v8::String> name, const v8::AccessorInfo& info)
42{
43    INC_STATS("DOM.DOMStringMap.NamedPropertyQuery");
44    if (V8DOMStringMap::toNative(info.Holder())->contains(toWebCoreString(name)))
45        return v8::Integer::New(v8::None);
46    return v8::Handle<v8::Integer>();
47}
48
49v8::Handle<v8::Value> V8DOMStringMap::namedPropertyGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
50{
51    INC_STATS("DOM.DOMStringMap.NamedPropertyGetter");
52    return v8String(V8DOMStringMap::toNative(info.Holder())->item(toWebCoreString(name)));
53}
54
55v8::Handle<v8::Array> V8DOMStringMap::namedPropertyEnumerator(const v8::AccessorInfo& info)
56{
57    INC_STATS("DOM.DOMStringMap.NamedPropertyEnumerator");
58    Vector<String> names;
59    V8DOMStringMap::toNative(info.Holder())->getNames(names);
60    v8::Handle<v8::Array> properties = v8::Array::New(names.size());
61    for (unsigned i = 0; i < names.size(); ++i)
62        properties->Set(v8::Integer::New(i), v8String(names[i]));
63    return properties;
64}
65
66v8::Handle<v8::Boolean> V8DOMStringMap::namedPropertyDeleter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
67{
68    INC_STATS("DOM.DOMStringMap.NamedPropertyDeleter");
69    v8::Handle<v8::Value> value = info.Holder()->GetRealNamedPropertyInPrototypeChain(name);
70    if (!value.IsEmpty())
71        return v8::False();
72    if (info.Holder()->HasRealNamedCallbackProperty(name))
73        return v8::False();
74
75    ExceptionCode ec = 0;
76    V8DOMStringMap::toNative(info.Holder())->deleteItem(toWebCoreString(name), ec);
77    if (ec)
78        throwError(ec);
79    return v8::True();
80}
81
82v8::Handle<v8::Value> V8DOMStringMap::namedPropertySetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
83{
84    INC_STATS("DOM.DOMStringMap.NamedPropertySetter");
85    v8::Handle<v8::Value> property = info.Holder()->GetRealNamedPropertyInPrototypeChain(name);
86    if (!property.IsEmpty())
87        return value;
88    if (info.Holder()->HasRealNamedCallbackProperty(name))
89        return value;
90
91    ExceptionCode ec = 0;
92    V8DOMStringMap::toNative(info.Holder())->setItem(toWebCoreString(name), toWebCoreString(value), ec);
93    if (ec)
94        return throwError(ec);
95    return value;
96}
97
98v8::Handle<v8::Value> toV8(DOMStringMap* impl)
99{
100    if (!impl)
101        return v8::Null();
102    v8::Handle<v8::Object> wrapper = V8DOMStringMap::wrap(impl);
103    // Add a hidden reference from the element to the DOMStringMap.
104    Element* element = impl->element();
105    if (!wrapper.IsEmpty() && element) {
106        v8::Handle<v8::Value> elementValue = toV8(element);
107        if (!elementValue.IsEmpty() && elementValue->IsObject())
108            V8DOMWrapper::setNamedHiddenReference(elementValue.As<v8::Object>(), "domStringMap", wrapper);
109    }
110    return wrapper;
111}
112
113} // namespace WebCore
114