1 /*
2 * Copyright (C) 2008 Apple 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "JSEventTarget.h"
28
29 #include "DOMWindow.h"
30 #include "Document.h"
31 #include "JSDOMWindow.h"
32 #include "JSDOMWindowShell.h"
33 #include "JSEventListener.h"
34 #include "JSMessagePort.h"
35 #include "JSNode.h"
36 #if ENABLE(SHARED_WORKERS)
37
38 #include "JSSharedWorker.h"
39 #include "JSSharedWorkerContext.h"
40 #endif
41
42 #include "JSXMLHttpRequest.h"
43 #include "JSXMLHttpRequestUpload.h"
44 #include "MessagePort.h"
45
46 #if ENABLE(SHARED_WORKERS)
47 #include "SharedWorker.h"
48 #include "SharedWorkerContext.h"
49 #endif
50
51 #include "XMLHttpRequest.h"
52 #include "XMLHttpRequestUpload.h"
53
54 #if ENABLE(EVENTSOURCE)
55 #include "EventSource.h"
56 #include "JSEventSource.h"
57 #endif
58
59 #if ENABLE(OFFLINE_WEB_APPLICATIONS)
60 #include "DOMApplicationCache.h"
61 #include "JSDOMApplicationCache.h"
62 #endif
63
64 #if ENABLE(SVG)
65 #include "SVGElementInstance.h"
66 #include "JSSVGElementInstance.h"
67 #endif
68
69 #if ENABLE(WORKERS)
70 #include "DedicatedWorkerContext.h"
71 #include "JSDedicatedWorkerContext.h"
72 #include "JSWorker.h"
73 #include "Worker.h"
74 #endif
75
76 #if ENABLE(NOTIFICATIONS)
77 #include "JSNotification.h"
78 #include "Notification.h"
79 #endif
80
81 #if ENABLE(INDEXED_DATABASE)
82 #include "IDBRequest.h"
83 #include "JSIDBRequest.h"
84 #endif
85
86 #if ENABLE(WEB_AUDIO)
87 #include "AudioContext.h"
88 #include "JSAudioContext.h"
89 #include "JSJavaScriptAudioNode.h"
90 #include "JavaScriptAudioNode.h"
91 #endif
92
93 #if ENABLE(WEB_SOCKETS)
94 #include "JSWebSocket.h"
95 #include "WebSocket.h"
96 #endif
97
98 #if ENABLE(BLOB)
99 #include "JSFileReader.h"
100 #include "FileReader.h"
101 #endif
102
103 using namespace JSC;
104
105 namespace WebCore {
106
toJS(ExecState * exec,JSDOMGlobalObject * globalObject,EventTarget * target)107 JSValue toJS(ExecState* exec, JSDOMGlobalObject* globalObject, EventTarget* target)
108 {
109 if (!target)
110 return jsNull();
111
112 #if ENABLE(EVENTSOURCE)
113 if (EventSource* eventSource = target->toEventSource())
114 return toJS(exec, globalObject, eventSource);
115 #endif
116
117 #if ENABLE(SVG)
118 // SVGElementInstance supports both toSVGElementInstance and toNode since so much mouse handling code depends on toNode returning a valid node.
119 if (SVGElementInstance* instance = target->toSVGElementInstance())
120 return toJS(exec, globalObject, instance);
121 #endif
122
123 if (Node* node = target->toNode())
124 return toJS(exec, globalObject, node);
125
126 if (DOMWindow* domWindow = target->toDOMWindow())
127 return toJS(exec, globalObject, domWindow);
128
129 if (XMLHttpRequest* xhr = target->toXMLHttpRequest())
130 return toJS(exec, globalObject, xhr);
131
132 if (XMLHttpRequestUpload* upload = target->toXMLHttpRequestUpload())
133 return toJS(exec, globalObject, upload);
134
135 #if ENABLE(OFFLINE_WEB_APPLICATIONS)
136 if (DOMApplicationCache* cache = target->toDOMApplicationCache())
137 return toJS(exec, globalObject, cache);
138 #endif
139
140 if (MessagePort* messagePort = target->toMessagePort())
141 return toJS(exec, globalObject, messagePort);
142
143 #if ENABLE(WORKERS)
144 if (Worker* worker = target->toWorker())
145 return toJS(exec, globalObject, worker);
146
147 if (DedicatedWorkerContext* workerContext = target->toDedicatedWorkerContext())
148 return toJSDOMGlobalObject(workerContext, exec);
149 #endif
150
151 #if ENABLE(SHARED_WORKERS)
152 if (SharedWorker* sharedWorker = target->toSharedWorker())
153 return toJS(exec, globalObject, sharedWorker);
154
155 if (SharedWorkerContext* workerContext = target->toSharedWorkerContext())
156 return toJSDOMGlobalObject(workerContext, exec);
157 #endif
158
159 #if ENABLE(NOTIFICATIONS)
160 if (Notification* notification = target->toNotification())
161 return toJS(exec, notification);
162 #endif
163
164 #if ENABLE(INDEXED_DATABASE)
165 if (IDBDatabase* idbDatabase = target->toIDBDatabase())
166 return toJS(exec, idbDatabase);
167
168 if (IDBRequest* idbRequest = target->toIDBRequest())
169 return toJS(exec, idbRequest);
170
171 if (IDBTransaction* idbTransaction = target->toIDBTransaction())
172 return toJS(exec, idbTransaction);
173 #endif
174
175 #if ENABLE(WEB_AUDIO)
176 if (JavaScriptAudioNode* jsAudioNode = target->toJavaScriptAudioNode())
177 return toJS(exec, globalObject, jsAudioNode);
178 if (AudioContext* audioContext = target->toAudioContext())
179 return toJS(exec, globalObject, audioContext);
180 #endif
181
182 #if ENABLE(WEB_SOCKETS)
183 if (WebSocket* webSocket = target->toWebSocket())
184 return toJS(exec, webSocket);
185 #endif
186
187 #if ENABLE(BLOB)
188 if (FileReader* fileReader = target->toFileReader())
189 return toJS(exec, globalObject, fileReader);
190 #endif
191
192 ASSERT_NOT_REACHED();
193 return jsNull();
194 }
195
toEventTarget(JSC::JSValue value)196 EventTarget* toEventTarget(JSC::JSValue value)
197 {
198 #define CONVERT_TO_EVENT_TARGET(type) \
199 if (value.inherits(&JS##type::s_info)) \
200 return static_cast<JS##type*>(asObject(value))->impl();
201
202 CONVERT_TO_EVENT_TARGET(Node)
203 CONVERT_TO_EVENT_TARGET(XMLHttpRequest)
204 CONVERT_TO_EVENT_TARGET(XMLHttpRequestUpload)
205 CONVERT_TO_EVENT_TARGET(MessagePort)
206
207 if (value.inherits(&JSDOMWindowShell::s_info))
208 return static_cast<JSDOMWindowShell*>(asObject(value))->impl();
209
210 #if ENABLE(EVENTSOURCE)
211 CONVERT_TO_EVENT_TARGET(EventSource)
212 #endif
213
214 #if ENABLE(OFFLINE_WEB_APPLICATIONS)
215 CONVERT_TO_EVENT_TARGET(DOMApplicationCache)
216 #endif
217
218 #if ENABLE(SVG)
219 CONVERT_TO_EVENT_TARGET(SVGElementInstance)
220 #endif
221
222 #if ENABLE(WORKERS)
223 CONVERT_TO_EVENT_TARGET(Worker)
224 CONVERT_TO_EVENT_TARGET(DedicatedWorkerContext)
225 #endif
226
227 #if ENABLE(SHARED_WORKERS)
228 CONVERT_TO_EVENT_TARGET(SharedWorker)
229 CONVERT_TO_EVENT_TARGET(SharedWorkerContext)
230 #endif
231
232 #if ENABLE(NOTIFICATIONS)
233 CONVERT_TO_EVENT_TARGET(Notification)
234 #endif
235
236 #if ENABLE(WEB_SOCKETS)
237 CONVERT_TO_EVENT_TARGET(WebSocket)
238 #endif
239
240 return 0;
241 }
242
243 } // namespace WebCore
244