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/*
* Copyright (C) 2008 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "JSEventTarget.h"
#include "Document.h"
#include "JSEventListener.h"
#include "JSMessagePort.h"
#include "JSNode.h"
#include "JSXMLHttpRequest.h"
#include "JSXMLHttpRequestUpload.h"
#include "MessagePort.h"
#include "XMLHttpRequest.h"
#include "XMLHttpRequestUpload.h"
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
#include "DOMApplicationCache.h"
#include "JSDOMApplicationCache.h"
#endif
#if ENABLE(SVG)
#include "SVGElementInstance.h"
#include "JSSVGElementInstance.h"
#endif
#if ENABLE(WORKERS)
#include "JSWorker.h"
#include "JSWorkerContext.h"
#include "Worker.h"
#include "WorkerContext.h"
#endif
using namespace JSC;
namespace WebCore {
JSValuePtr toJS(ExecState* exec, EventTarget* target)
{
if (!target)
return jsNull();
#if ENABLE(SVG)
// SVGElementInstance supports both toSVGElementInstance and toNode since so much mouse handling code depends on toNode returning a valid node.
if (SVGElementInstance* instance = target->toSVGElementInstance())
return toJS(exec, instance);
#endif
if (Node* node = target->toNode())
return toJS(exec, node);
if (XMLHttpRequest* xhr = target->toXMLHttpRequest())
// XMLHttpRequest is always created via JS, so we don't need to use cacheDOMObject() here.
return getCachedDOMObjectWrapper(exec->globalData(), xhr);
if (XMLHttpRequestUpload* upload = target->toXMLHttpRequestUpload())
return toJS(exec, upload);
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
if (DOMApplicationCache* cache = target->toDOMApplicationCache())
// DOMApplicationCache is always created via JS, so we don't need to use cacheDOMObject() here.
return getCachedDOMObjectWrapper(exec->globalData(), cache);
#endif
if (MessagePort* messagePort = target->toMessagePort())
return toJS(exec, messagePort);
#if ENABLE(WORKERS)
if (Worker* worker = target->toWorker())
return toJS(exec, worker);
if (WorkerContext* workerContext = target->toWorkerContext())
return toJSDOMGlobalObject(workerContext);
#endif
ASSERT_NOT_REACHED();
return jsNull();
}
EventTarget* toEventTarget(JSC::JSValuePtr value)
{
#define CONVERT_TO_EVENT_TARGET(type) \
if (value.isObject(&JS##type::s_info)) \
return static_cast<JS##type*>(asObject(value))->impl();
CONVERT_TO_EVENT_TARGET(Node)
CONVERT_TO_EVENT_TARGET(XMLHttpRequest)
CONVERT_TO_EVENT_TARGET(XMLHttpRequestUpload)
CONVERT_TO_EVENT_TARGET(MessagePort)
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
CONVERT_TO_EVENT_TARGET(DOMApplicationCache)
#endif
#if ENABLE(SVG)
CONVERT_TO_EVENT_TARGET(SVGElementInstance)
#endif
#if ENABLE(WORKERS)
CONVERT_TO_EVENT_TARGET(Worker)
CONVERT_TO_EVENT_TARGET(WorkerContext)
#endif
return 0;
}
} // namespace WebCore
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