1 /*
2 * Copyright (C) 2007-2009 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 "V8NamedNodeMap.h"
33
34 #include "NamedNodeMap.h"
35 #include "V8Attr.h"
36 #include "V8Binding.h"
37 #include "V8BindingState.h"
38 #include "V8Element.h"
39 #include "V8Node.h"
40 #include "V8Proxy.h"
41
42 #include <wtf/RefPtr.h>
43
44 namespace WebCore {
45
indexedPropertyGetter(uint32_t index,const v8::AccessorInfo & info)46 v8::Handle<v8::Value> V8NamedNodeMap::indexedPropertyGetter(uint32_t index, const v8::AccessorInfo& info)
47 {
48 INC_STATS("DOM.NamedNodeMap.IndexedPropertyGetter");
49 NamedNodeMap* imp = V8NamedNodeMap::toNative(info.Holder());
50 RefPtr<Node> result = imp->item(index);
51 if (!result)
52 return notHandledByInterceptor();
53
54 return toV8(result.release());
55 }
56
namedPropertyGetter(v8::Local<v8::String> name,const v8::AccessorInfo & info)57 v8::Handle<v8::Value> V8NamedNodeMap::namedPropertyGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
58 {
59 INC_STATS("DOM.NamedNodeMap.NamedPropertyGetter");
60 // Search the prototype chain first.
61 v8::Handle<v8::Value> value = info.Holder()->GetRealNamedPropertyInPrototypeChain(name);
62 if (!value.IsEmpty())
63 return value;
64
65 // Then look for IDL defined properties on the object itself.
66 if (info.Holder()->HasRealNamedCallbackProperty(name))
67 return notHandledByInterceptor();
68
69 // Finally, search the DOM.
70 NamedNodeMap* imp = V8NamedNodeMap::toNative(info.Holder());
71 RefPtr<Node> result = imp->getNamedItem(toWebCoreString(name));
72 if (!result)
73 return notHandledByInterceptor();
74
75 return toV8(result.release());
76 }
77
toV8(NamedNodeMap * impl)78 v8::Handle<v8::Value> toV8(NamedNodeMap* impl)
79 {
80 if (!impl)
81 return v8::Null();
82 v8::Handle<v8::Object> wrapper = V8NamedNodeMap::wrap(impl);
83 // Add a hidden reference from named node map to its owner node.
84 Element* element = impl->element();
85 if (!wrapper.IsEmpty() && element)
86 V8DOMWrapper::setNamedHiddenReference(wrapper, "ownerNode", toV8(element));
87 return wrapper;
88 }
89
90 } // namespace WebCore
91