Source/WebCore/bindings/js/JSElementCustom.cpp

/*
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 *
 * 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. 
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 *     notice, this list of conditions and the following disclaimer in the
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 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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#include "config.h"
#include "JSElement.h"

#include "Document.h"
#include "HTMLFrameElementBase.h"
#include "HTMLNames.h"
#include "JSAttr.h"
#include "JSDOMBinding.h"
#include "JSHTMLElementWrapperFactory.h"
#include "JSMathMLElementWrapperFactory.h"
#include "JSNodeList.h"
#include "JSSVGElementWrapperFactory.h"
#include "MathMLElement.h"
#include "NodeList.h"
#include "SVGElement.h"


namespace WebCore {
using namespace JSC;

using namespace HTMLNames;

static JSValue createNewElementWrapper(JSDOMGlobalObject* globalObject, Ref<Element>&& element)
{
    if (is<HTMLElement>(element))
        return createJSHTMLWrapper(globalObject, static_reference_cast<HTMLElement>(WTFMove(element)));
    if (is<SVGElement>(element))
        return createJSSVGWrapper(globalObject, static_reference_cast<SVGElement>(WTFMove(element)));
#if ENABLE(MATHML)
    if (is<MathMLElement>(element))
        return createJSMathMLWrapper(globalObject, static_reference_cast<MathMLElement>(WTFMove(element)));
#endif
    return createWrapper<Element>(globalObject, WTFMove(element));
}

JSValue toJS(JSGlobalObject*, JSDOMGlobalObject* globalObject, Element& element)
{
    if (auto* wrapper = getCachedWrapper(globalObject->world(), element))
        return wrapper;
    return createNewElementWrapper(globalObject, element);
}

JSValue toJSNewlyCreated(JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<Element>&& element)
{
    if (element->isDefinedCustomElement()) {
        JSValue result = getCachedWrapper(globalObject->world(), element);
        if (result)
            return result;
        ASSERT(!globalObject->vm().exceptionForInspection());
    }
    ASSERT(!getCachedWrapper(globalObject->world(), element));
    return createNewElementWrapper(globalObject, WTFMove(element));
}

} // namespace WebCore