Source/WebCore/bindings/js/JSWebSocketCustom.cpp

/*
 * Copyright (C) 2009 Google Inc.  All rights reserved.
 * Copyright (C) 2009, 2010 Apple, Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 */

#include "config.h"

#if ENABLE(WEB_SOCKETS)

#include "JSWebSocket.h"

#include "KURL.h"
#include "JSEventListener.h"
#include "WebSocket.h"
#include <runtime/Error.h>

using namespace JSC;

namespace WebCore {

EncodedJSValue JSC_HOST_CALL JSWebSocketConstructor::constructJSWebSocket(ExecState* exec)
{
    JSWebSocketConstructor* jsConstructor = static_cast<JSWebSocketConstructor*>(exec->callee());
    ScriptExecutionContext* context = jsConstructor->scriptExecutionContext();
    if (!context)
        return throwVMError(exec, createReferenceError(exec, "WebSocket constructor associated document is unavailable"));

    if (!exec->argumentCount())
        return throwVMError(exec, createSyntaxError(exec, "Not enough arguments"));

    String urlString = ustringToString(exec->argument(0).toString(exec));
    if (exec->hadException())
        return throwVMError(exec, createSyntaxError(exec, "wrong URL"));
    KURL url = context->completeURL(urlString);
    RefPtr<WebSocket> webSocket = WebSocket::create(context);
    ExceptionCode ec = 0;
    if (exec->argumentCount() < 2)
        webSocket->connect(url, ec);
    else {
        String protocol = ustringToString(exec->argument(1).toString(exec));
        if (exec->hadException())
            return JSValue::encode(JSValue());
        webSocket->connect(url, protocol, ec);
    }
    setDOMException(exec, ec);
    return JSValue::encode(CREATE_DOM_OBJECT_WRAPPER(exec, jsConstructor->globalObject(), WebSocket, webSocket.get()));
}

} // namespace WebCore

#endif