WebCore/bindings/js/JSEventSourceCustom.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 17 Sep 2010 09:02:29 +0300
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/*
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 * Copyright (C) 2009 Ericsson AB. All rights reserved.
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 * Copyright (C) 2010 Apple Inc. All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer
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 *    in the documentation and/or other materials provided with the
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 *    distribution.
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 * 3. Neither the name of Ericsson nor the names of its contributors
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 *    may be used to endorse or promote products derived from this
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 *    software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#include "config.h"
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#if ENABLE(EVENTSOURCE)
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#include "JSEventSource.h"
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#include "EventSource.h"
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#include "ExceptionCode.h"
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#include "ScriptExecutionContext.h"
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#include <runtime/Error.h>
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using namespace JSC;
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namespace WebCore {
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EncodedJSValue JSC_HOST_CALL JSEventSourceConstructor::constructJSEventSource(ExecState* exec)
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{
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    if (exec->argumentCount() < 1)
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        return throwVMError(exec, createSyntaxError(exec, "Not enough arguments"));
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    UString url = exec->argument(0).toString(exec);
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    if (exec->hadException())
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        return JSValue::encode(JSValue());
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    JSEventSourceConstructor* jsConstructor =  static_cast<JSEventSourceConstructor*>(exec->callee());
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    ScriptExecutionContext* context = jsConstructor->scriptExecutionContext();
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    if (!context)
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        return throwVMError(exec, createReferenceError(exec, "EventSource constructor associated document is unavailable"));
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    ExceptionCode ec = 0;
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    RefPtr<EventSource> eventSource = EventSource::create(ustringToString(url), context, ec);
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    if (ec) {
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        setDOMException(exec, ec);
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        return JSValue::encode(JSValue());
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    }
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    return JSValue::encode(asObject(toJS(exec, jsConstructor->globalObject(), eventSource.release())));
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}
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} // namespace WebCore
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#endif // ENABLE(EVENTSOURCE)