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 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 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 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 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 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 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
