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