WebCore/bindings/js/JSCustomPositionCallback.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) 2008 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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 * 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 in the
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 *    documentation and/or other materials provided with the distribution.
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 *
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 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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 * 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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#include "JSCustomPositionCallback.h"
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#if ENABLE(GEOLOCATION)
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#include "Frame.h"
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#include "JSGeoposition.h"
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#include "ScriptController.h"
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#include <runtime/JSLock.h>
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namespace WebCore {
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using namespace JSC;
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JSCustomPositionCallback::JSCustomPositionCallback(JSObject* callback, JSDOMGlobalObject* globalObject)
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    : PositionCallback(globalObject->scriptExecutionContext())
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    , m_data(callback, globalObject)
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{
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}
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void JSCustomPositionCallback::handleEvent(Geoposition* geoposition)
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{
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    // ActiveDOMObject will null our pointer to the ScriptExecutionContext when it goes away.
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    if (!scriptExecutionContext())
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        return;
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    RefPtr<JSCustomPositionCallback> protect(this);
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    JSC::JSLock lock(SilenceAssertionsOnly);
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    ExecState* exec = m_data.globalObject()->globalExec();
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    MarkedArgumentBuffer args;
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    args.append(toJS(exec, deprecatedGlobalObjectForPrototype(exec), geoposition));
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    m_data.invokeCallback(args);
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}
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} // namespace WebCore
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#endif // ENABLE(GEOLOCATION)