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
33 #if ENABLE(WEB_SOCKETS)
34
35 #include "JSWebSocketConstructor.h"
36
37 #include "JSWebSocket.h"
38 #include "ScriptExecutionContext.h"
39 #include "WebSocket.h"
40
41 using namespace JSC;
42
43 namespace WebCore {
44
45 ASSERT_CLASS_FITS_IN_CELL(JSWebSocketConstructor);
46
47 const ClassInfo JSWebSocketConstructor::s_info = { "WebSocketConstructor", 0, 0, 0 };
48
JSWebSocketConstructor(ExecState * exec,JSDOMGlobalObject * globalObject)49 JSWebSocketConstructor::JSWebSocketConstructor(ExecState* exec, JSDOMGlobalObject* globalObject)
50 : DOMConstructorObject(JSWebSocketConstructor::createStructure(globalObject->objectPrototype()), globalObject)
51 {
52 putDirect(exec->propertyNames().prototype, JSWebSocketPrototype::self(exec, globalObject), None);
53 putDirect(exec->propertyNames().length, jsNumber(exec, 1), ReadOnly | DontDelete | DontEnum);
54 }
55
constructWebSocket(ExecState * exec,JSObject * constructor,const ArgList & args)56 static JSObject* constructWebSocket(ExecState* exec, JSObject* constructor, const ArgList& args)
57 {
58 JSWebSocketConstructor* jsConstructor = static_cast<JSWebSocketConstructor*>(constructor);
59 ScriptExecutionContext* context = jsConstructor->scriptExecutionContext();
60 if (!context)
61 return throwError(exec, ReferenceError, "WebSocket constructor associated document is unavailable");
62
63 if (args.size() == 0)
64 return throwError(exec, SyntaxError, "Not enough arguments");
65
66 const String& urlString = args.at(0).toString(exec);
67 if (exec->hadException())
68 return throwError(exec, SyntaxError, "wrong URL");
69 const KURL& url = context->completeURL(urlString);
70 RefPtr<WebSocket> webSocket = WebSocket::create(context);
71 ExceptionCode ec = 0;
72 if (args.size() < 2)
73 webSocket->connect(url, ec);
74 else {
75 const String& protocol = args.at(1).toString(exec);
76 if (exec->hadException())
77 return 0;
78 webSocket->connect(url, protocol, ec);
79 }
80 setDOMException(exec, ec);
81 return CREATE_DOM_OBJECT_WRAPPER(exec, jsConstructor->globalObject(), WebSocket, webSocket.get());
82 }
83
getConstructData(ConstructData & constructData)84 ConstructType JSWebSocketConstructor::getConstructData(ConstructData& constructData)
85 {
86 constructData.native.function = constructWebSocket;
87 return ConstructTypeHost;
88 }
89
90 } // namespace WebCore
91
92 #endif
93