1 /*

     2  * Copyright (C) 2009 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 "KURL.h"

    39 #include "JSEventListener.h"

    40 #include "WebSocket.h"

    41 #include <runtime/Error.h>

    42 

    43 using namespace JSC;

    44 

    45 namespace WebCore {

    46 

    47 EncodedJSValue JSC_HOST_CALL JSWebSocketConstructor::constructJSWebSocket(ExecState* exec)

    48 {

    49     JSWebSocketConstructor* jsConstructor = static_cast<JSWebSocketConstructor*>(exec->callee());

    50     ScriptExecutionContext* context = jsConstructor->scriptExecutionContext();

    51     if (!context)

    52         return throwVMError(exec, createReferenceError(exec, "WebSocket constructor associated document is unavailable"));

    53 

    54     if (!exec->argumentCount())

    55         return throwVMError(exec, createSyntaxError(exec, "Not enough arguments"));

    56 

    57     const String& urlString = ustringToString(exec->argument(0).toString(exec));

    58     if (exec->hadException())

    59         return throwVMError(exec, createSyntaxError(exec, "wrong URL"));

    60     const KURL& url = context->completeURL(urlString);

    61     RefPtr<WebSocket> webSocket = WebSocket::create(context);

    62     ExceptionCode ec = 0;

    63     if (exec->argumentCount() < 2)

    64         webSocket->connect(url, ec);

    65     else {

    66         const String& protocol = ustringToString(exec->argument(1).toString(exec));

    67         if (exec->hadException())

    68             return JSValue::encode(JSValue());

    69         webSocket->connect(url, protocol, ec);

    70     }

    71     setDOMException(exec, ec);

    72     return JSValue::encode(CREATE_DOM_OBJECT_WRAPPER(exec, jsConstructor->globalObject(), WebSocket, webSocket.get()));

    73 }

    74 

    75 } // namespace WebCore

    76 

    77 #endif