1 /*
2 * Copyright (C) 2011 Google Inc. All rights reserved.
3 * Copyright (C) 2009, 2010 Apple, Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 * * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include "config.h"
33
34 #if ENABLE(WEB_SOCKETS)
35
36 #include "JSWebSocket.h"
37
38 #include "ExceptionCode.h"
39 #include "JSArrayBuffer.h"
40 #include "JSArrayBufferView.h"
41 #include "JSBlob.h"
42 #include "JSEventListener.h"
43 #include "KURL.h"
44 #include "WebSocket.h"
45 #include "WebSocketChannel.h"
46 #include <runtime/Error.h>
47 #include <wtf/MathExtras.h>
48 #include <wtf/Vector.h>
49
50 using namespace JSC;
51
52 namespace WebCore {
53
54 EncodedJSValue JSC_HOST_CALL JSWebSocketConstructor::constructJSWebSocket(ExecState* exec)
55 {
56 JSWebSocketConstructor* jsConstructor = jsCast<JSWebSocketConstructor*>(exec->callee());
57 ScriptExecutionContext* context = jsConstructor->scriptExecutionContext();
58 if (!context)
59 return throwVMError(exec, createReferenceError(exec, "WebSocket constructor associated document is unavailable"));
60
61 if (!exec->argumentCount())
62 return throwVMError(exec, createNotEnoughArgumentsError(exec));
63
64 String urlString = exec->argument(0).toString(exec)->value(exec);
65 if (exec->hadException())
66 return throwVMError(exec, createSyntaxError(exec, "wrong URL"));
67 RefPtr<WebSocket> webSocket = WebSocket::create(context);
68 ExceptionCode ec = 0;
69 if (exec->argumentCount() < 2)
70 webSocket->connect(urlString, ec);
71 else {
72 JSValue protocolsValue = exec->argument(1);
73 if (isJSArray(protocolsValue)) {
74 Vector<String> protocols;
75 JSArray* protocolsArray = asArray(protocolsValue);
76 for (unsigned i = 0; i < protocolsArray->length(); ++i) {
77 String protocol = protocolsArray->getIndex(exec, i).toString(exec)->value(exec);
78 if (exec->hadException())
79 return JSValue::encode(JSValue());
80 protocols.append(protocol);
81 }
82 webSocket->connect(urlString, protocols, ec);
83 } else {
84 String protocol = protocolsValue.toString(exec)->value(exec);
85 if (exec->hadException())
86 return JSValue::encode(JSValue());
87 webSocket->connect(urlString, protocol, ec);
88 }
89 }
90 setDOMException(exec, ec);
91 return JSValue::encode(CREATE_DOM_WRAPPER(exec, jsConstructor->globalObject(), WebSocket, webSocket.get()));
92 }
93
94 } // namespace WebCore
95
96 #endif