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 "Node.h" 33 34 #include "Document.h" 35 #include "EventListener.h" 36 37 #include "V8AbstractEventListener.h" 38 #include "V8Attr.h" 39 #include "V8Binding.h" 40 #include "V8BindingState.h" 41 #include "V8CDATASection.h" 42 #include "V8Comment.h" 43 #include "V8Document.h" 44 #include "V8DocumentFragment.h" 45 #include "V8DocumentType.h" 46 #include "V8Element.h" 47 #include "V8Entity.h" 48 #include "V8EntityReference.h" 49 #include "V8EventListener.h" 50 #include "V8Node.h" 51 #include "V8Notation.h" 52 #include "V8ProcessingInstruction.h" 53 #include "V8Proxy.h" 54 #include "V8Text.h" 55 56 #include <wtf/RefPtr.h> 57 58 namespace WebCore { 59 60 // This function is customized to take advantage of the optional 4th argument: shouldLazyAttach 61 v8::Handle<v8::Value> V8Node::insertBeforeCallback(const v8::Arguments& args) 62 { 63 INC_STATS("DOM.Node.insertBefore"); 64 v8::Handle<v8::Object> holder = args.Holder(); 65 Node* imp = V8Node::toNative(holder); 66 ExceptionCode ec = 0; 67 Node* newChild = V8Node::HasInstance(args[0]) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(args[0])) : 0; 68 Node* refChild = V8Node::HasInstance(args[1]) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(args[1])) : 0; 69 bool success = imp->insertBefore(newChild, refChild, ec, true); 70 if (ec) { 71 V8Proxy::setDOMException(ec); 72 return v8::Handle<v8::Value>(); 73 } 74 if (success) 75 return args[0]; 76 return v8::Null(); 77 } 78 79 // This function is customized to take advantage of the optional 4th argument: shouldLazyAttach 80 v8::Handle<v8::Value> V8Node::replaceChildCallback(const v8::Arguments& args) 81 { 82 INC_STATS("DOM.Node.replaceChild"); 83 v8::Handle<v8::Object> holder = args.Holder(); 84 Node* imp = V8Node::toNative(holder); 85 ExceptionCode ec = 0; 86 Node* newChild = V8Node::HasInstance(args[0]) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(args[0])) : 0; 87 Node* oldChild = V8Node::HasInstance(args[1]) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(args[1])) : 0; 88 bool success = imp->replaceChild(newChild, oldChild, ec, true); 89 if (ec) { 90 V8Proxy::setDOMException(ec); 91 return v8::Handle<v8::Value>(); 92 } 93 if (success) 94 return args[1]; 95 return v8::Null(); 96 } 97 98 v8::Handle<v8::Value> V8Node::removeChildCallback(const v8::Arguments& args) 99 { 100 INC_STATS("DOM.Node.removeChild"); 101 v8::Handle<v8::Object> holder = args.Holder(); 102 Node* imp = V8Node::toNative(holder); 103 ExceptionCode ec = 0; 104 Node* oldChild = V8Node::HasInstance(args[0]) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(args[0])) : 0; 105 bool success = imp->removeChild(oldChild, ec); 106 if (ec) { 107 V8Proxy::setDOMException(ec); 108 return v8::Handle<v8::Value>(); 109 } 110 if (success) 111 return args[0]; 112 return v8::Null(); 113 } 114 115 // This function is customized to take advantage of the optional 4th argument: shouldLazyAttach 116 v8::Handle<v8::Value> V8Node::appendChildCallback(const v8::Arguments& args) 117 { 118 INC_STATS("DOM.Node.appendChild"); 119 v8::Handle<v8::Object> holder = args.Holder(); 120 Node* imp = V8Node::toNative(holder); 121 ExceptionCode ec = 0; 122 Node* newChild = V8Node::HasInstance(args[0]) ? V8Node::toNative(v8::Handle<v8::Object>::Cast(args[0])) : 0; 123 bool success = imp->appendChild(newChild, ec, true ); 124 if (ec) { 125 V8Proxy::setDOMException(ec); 126 return v8::Handle<v8::Value>(); 127 } 128 if (success) 129 return args[0]; 130 return v8::Null(); 131 } 132 133 v8::Handle<v8::Value> toV8Slow(Node* impl, bool forceNewObject) 134 { 135 if (!impl) 136 return v8::Null(); 137 138 if (!forceNewObject) { 139 v8::Handle<v8::Value> wrapper = V8DOMWrapper::getWrapper(impl); 140 if (!wrapper.IsEmpty()) 141 return wrapper; 142 } 143 switch (impl->nodeType()) { 144 case Node::ELEMENT_NODE: 145 return toV8(static_cast<Element*>(impl), forceNewObject); 146 case Node::ATTRIBUTE_NODE: 147 return toV8(static_cast<Attr*>(impl), forceNewObject); 148 case Node::TEXT_NODE: 149 return toV8(static_cast<Text*>(impl), forceNewObject); 150 case Node::CDATA_SECTION_NODE: 151 return toV8(static_cast<CDATASection*>(impl), forceNewObject); 152 case Node::ENTITY_REFERENCE_NODE: 153 return toV8(static_cast<EntityReference*>(impl), forceNewObject); 154 case Node::ENTITY_NODE: 155 return toV8(static_cast<Entity*>(impl), forceNewObject); 156 case Node::PROCESSING_INSTRUCTION_NODE: 157 return toV8(static_cast<ProcessingInstruction*>(impl), forceNewObject); 158 case Node::COMMENT_NODE: 159 return toV8(static_cast<Comment*>(impl), forceNewObject); 160 case Node::DOCUMENT_NODE: 161 return toV8(static_cast<Document*>(impl), forceNewObject); 162 case Node::DOCUMENT_TYPE_NODE: 163 return toV8(static_cast<DocumentType*>(impl), forceNewObject); 164 case Node::DOCUMENT_FRAGMENT_NODE: 165 return toV8(static_cast<DocumentFragment*>(impl), forceNewObject); 166 case Node::NOTATION_NODE: 167 return toV8(static_cast<Notation*>(impl), forceNewObject); 168 default: break; // XPATH_NAMESPACE_NODE 169 } 170 return V8Node::wrap(impl, forceNewObject); 171 } 172 } // namespace WebCore 173