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#include <runtime/Error.h>
41
42using namespace JSC;
43
44namespace WebCore {
45
46ASSERT_CLASS_FITS_IN_CELL(JSWebSocketConstructor);
47
48const ClassInfo JSWebSocketConstructor::s_info = { "WebSocketConstructor", 0, 0, 0 };
49
50JSWebSocketConstructor::JSWebSocketConstructor(ExecState* exec, JSDOMGlobalObject* globalObject)
51    : DOMConstructorObject(JSWebSocketConstructor::createStructure(globalObject->objectPrototype()), globalObject)
52{
53    putDirect(exec->propertyNames().prototype, JSWebSocketPrototype::self(exec, globalObject), None);
54    putDirect(exec->propertyNames().length, jsNumber(exec, 1), ReadOnly | DontDelete | DontEnum);
55}
56
57static JSObject* constructWebSocket(ExecState* exec, JSObject* constructor, const ArgList& args)
58{
59    JSWebSocketConstructor* jsConstructor = static_cast<JSWebSocketConstructor*>(constructor);
60    ScriptExecutionContext* context = jsConstructor->scriptExecutionContext();
61    if (!context)
62        return throwError(exec, ReferenceError, "WebSocket constructor associated document is unavailable");
63
64    if (args.size() == 0)
65        return throwError(exec, SyntaxError, "Not enough arguments");
66
67    const String& urlString = args.at(0).toString(exec);
68    if (exec->hadException())
69        return throwError(exec, SyntaxError, "wrong URL");
70    const KURL& url = context->completeURL(urlString);
71    RefPtr<WebSocket> webSocket = WebSocket::create(context);
72    ExceptionCode ec = 0;
73    if (args.size() < 2)
74        webSocket->connect(url, ec);
75    else {
76        const String& protocol = args.at(1).toString(exec);
77        if (exec->hadException())
78            return 0;
79        webSocket->connect(url, protocol, ec);
80    }
81    setDOMException(exec, ec);
82    return CREATE_DOM_OBJECT_WRAPPER(exec, jsConstructor->globalObject(), WebSocket, webSocket.get());
83}
84
85ConstructType JSWebSocketConstructor::getConstructData(ConstructData& constructData)
86{
87    constructData.native.function = constructWebSocket;
88    return ConstructTypeHost;
89}
90
91}  // namespace WebCore
92
93#endif
94