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 "V8WebSocket.h"
36
37#include "Frame.h"
38#include "Settings.h"
39#include "V8Binding.h"
40#include "V8Proxy.h"
41#include "V8Utilities.h"
42#include "WebSocket.h"
43#include "WorkerContext.h"
44#include "WorkerContextExecutionProxy.h"
45
46namespace WebCore {
47
48v8::Handle<v8::Value> V8WebSocket::constructorCallback(const v8::Arguments& args)
49{
50    INC_STATS("DOM.WebSocket.Constructor");
51
52    if (!args.IsConstructCall())
53        return throwError("DOM object custructor cannot be called as a function.");
54    if (args.Length() == 0)
55        return throwError("Not enough arguments", V8Proxy::SyntaxError);
56
57    v8::TryCatch tryCatch;
58    v8::Handle<v8::String> urlstring = args[0]->ToString();
59    if (tryCatch.HasCaught())
60        return throwError(tryCatch.Exception());
61    if (urlstring.IsEmpty())
62        return throwError("Empty URL", V8Proxy::SyntaxError);
63
64    // Get the script execution context.
65    ScriptExecutionContext* context = getScriptExecutionContext();
66    if (!context)
67        return throwError("WebSocket constructor's associated frame is not available", V8Proxy::ReferenceError);
68
69    const KURL& url = context->completeURL(toWebCoreString(urlstring));
70
71    RefPtr<WebSocket> webSocket = WebSocket::create(context);
72    ExceptionCode ec = 0;
73
74    if (args.Length() < 2)
75        webSocket->connect(url, ec);
76    else {
77        v8::TryCatch tryCatchProtocol;
78        v8::Handle<v8::String> protocol = args[1]->ToString();
79        if (tryCatchProtocol.HasCaught())
80            return throwError(tryCatchProtocol.Exception());
81        webSocket->connect(url, toWebCoreString(protocol), ec);
82    }
83    if (ec)
84        return throwError(ec);
85
86    // Setup the standard wrapper object internal fields.
87    V8DOMWrapper::setDOMWrapper(args.Holder(), &info, webSocket.get());
88
89    // Add object to the wrapper map.
90    webSocket->ref();
91    V8DOMWrapper::setJSWrapperForActiveDOMObject(webSocket.get(), v8::Persistent<v8::Object>::New(args.Holder()));
92
93    return args.Holder();
94}
95
96}  // namespace WebCore
97
98#endif  // ENABLE(WEB_SOCKETS)
99