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
insertBeforeCallback(const v8::Arguments & args)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
replaceChildCallback(const v8::Arguments & args)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
removeChildCallback(const v8::Arguments & args)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
appendChildCallback(const v8::Arguments & args)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
toV8Slow(Node * impl,bool forceNewObject)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