1 /*
2 * Copyright (C) 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 "WebNode.h"
33
34 #include "Document.h"
35 #include "Frame.h"
36 #include "FrameLoaderClientImpl.h"
37 #include "Node.h"
38 #include "NodeList.h"
39
40 #include "EventListenerWrapper.h"
41 #include "WebDocument.h"
42 #include "WebEvent.h"
43 #include "WebEventListener.h"
44 #include "WebFrameImpl.h"
45 #include "WebNodeList.h"
46 #include "WebString.h"
47 #include "WebVector.h"
48
49 #include "markup.h"
50
51 #include <wtf/PassRefPtr.h>
52
53 using namespace WebCore;
54
55 namespace WebKit {
56
57 class WebNodePrivate : public Node {
58 };
59
reset()60 void WebNode::reset()
61 {
62 assign(0);
63 }
64
assign(const WebNode & other)65 void WebNode::assign(const WebNode& other)
66 {
67 WebNodePrivate* p = const_cast<WebNodePrivate*>(other.m_private);
68 if (p)
69 p->ref();
70 assign(p);
71 }
72
nodeType() const73 WebNode::NodeType WebNode::nodeType() const
74 {
75 return static_cast<NodeType>(m_private->nodeType());
76 }
77
parentNode() const78 WebNode WebNode::parentNode() const
79 {
80 return PassRefPtr<Node>(const_cast<Node*>(m_private->parentNode()));
81 }
82
nodeName() const83 WebString WebNode::nodeName() const
84 {
85 return m_private->nodeName();
86 }
87
nodeValue() const88 WebString WebNode::nodeValue() const
89 {
90 return m_private->nodeValue();
91 }
92
setNodeValue(const WebString & value)93 bool WebNode::setNodeValue(const WebString& value)
94 {
95 ExceptionCode exceptionCode = 0;
96 m_private->setNodeValue(value, exceptionCode);
97 return !exceptionCode;
98 }
99
WebNode(const PassRefPtr<Node> & node)100 WebNode::WebNode(const PassRefPtr<Node>& node)
101 : m_private(static_cast<WebNodePrivate*>(node.releaseRef()))
102 {
103 }
104
operator =(const PassRefPtr<Node> & node)105 WebNode& WebNode::operator=(const PassRefPtr<Node>& node)
106 {
107 assign(static_cast<WebNodePrivate*>(node.releaseRef()));
108 return *this;
109 }
110
operator PassRefPtr<Node>() const111 WebNode::operator PassRefPtr<Node>() const
112 {
113 return PassRefPtr<Node>(const_cast<WebNodePrivate*>(m_private));
114 }
115
assign(WebNodePrivate * p)116 void WebNode::assign(WebNodePrivate* p)
117 {
118 // p is already ref'd for us by the caller
119 if (m_private)
120 m_private->deref();
121 m_private = p;
122 }
123
frame() const124 WebFrame* WebNode::frame() const
125 {
126 return WebFrameImpl::fromFrame(m_private->document()->frame());
127 }
128
document() const129 WebDocument WebNode::document() const
130 {
131 return WebDocument(m_private->document());
132 }
133
firstChild() const134 WebNode WebNode::firstChild() const
135 {
136 return WebNode(m_private->firstChild());
137 }
138
lastChild() const139 WebNode WebNode::lastChild() const
140 {
141 return WebNode(m_private->lastChild());
142 }
143
previousSibling() const144 WebNode WebNode::previousSibling() const
145 {
146 return WebNode(m_private->previousSibling());
147 }
148
nextSibling() const149 WebNode WebNode::nextSibling() const
150 {
151 return WebNode(m_private->nextSibling());
152 }
153
hasChildNodes() const154 bool WebNode::hasChildNodes() const
155 {
156 return m_private->hasChildNodes();
157 }
158
childNodes()159 WebNodeList WebNode::childNodes()
160 {
161 return WebNodeList(m_private->childNodes());
162 }
163
createMarkup() const164 WebString WebNode::createMarkup() const
165 {
166 return WebCore::createMarkup(m_private);
167 }
168
isTextNode() const169 bool WebNode::isTextNode() const
170 {
171 return m_private->isTextNode();
172 }
173
isElementNode() const174 bool WebNode::isElementNode() const
175 {
176 return m_private->isElementNode();
177 }
178
addEventListener(const WebString & eventType,WebEventListener * listener,bool useCapture)179 void WebNode::addEventListener(const WebString& eventType, WebEventListener* listener, bool useCapture)
180 {
181 EventListenerWrapper* listenerWrapper =
182 listener->createEventListenerWrapper(eventType, useCapture, m_private);
183 // The listenerWrapper is only referenced by the actual Node. Once it goes
184 // away, the wrapper notifies the WebEventListener so it can clear its
185 // pointer to it.
186 m_private->addEventListener(eventType, adoptRef(listenerWrapper), useCapture);
187 }
188
removeEventListener(const WebString & eventType,WebEventListener * listener,bool useCapture)189 void WebNode::removeEventListener(const WebString& eventType, WebEventListener* listener, bool useCapture)
190 {
191 EventListenerWrapper* listenerWrapper =
192 listener->getEventListenerWrapper(eventType, useCapture, m_private);
193 m_private->removeEventListener(eventType, listenerWrapper, useCapture);
194 // listenerWrapper is now deleted.
195 }
196
197 } // namespace WebKit
198