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
39 namespace WebCore {
40
namedPropertyQuery(v8::Local<v8::String> name,const v8::AccessorInfo & info)41 v8::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
namedPropertyGetter(v8::Local<v8::String> name,const v8::AccessorInfo & info)49 v8::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
namedPropertyEnumerator(const v8::AccessorInfo & info)55 v8::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
namedPropertyDeleter(v8::Local<v8::String> name,const v8::AccessorInfo & info)66 v8::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
namedPropertySetter(v8::Local<v8::String> name,v8::Local<v8::Value> value,const v8::AccessorInfo & info)82 v8::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
toV8(DOMStringMap * impl)98 v8::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::setHiddenReference(elementValue.As<v8::Object>(), wrapper);
109 }
110 return wrapper;
111 }
112
113 } // namespace WebCore
114