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/*
* Copyright (C) 2013 Google Inc. All rights reserved.
* Copyright (C) 2015 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. AND ITS 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 APPLE INC. OR ITS 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 "JSCustomElementInterface.h"
#if ENABLE(CUSTOM_ELEMENTS)
#include "DOMWrapperWorld.h"
#include "JSDOMGlobalObject.h"
#include "JSElement.h"
#include "JSHTMLElement.h"
#include "JSMainThreadExecState.h"
#include "JSMainThreadExecStateInstrumentation.h"
#include "ScriptExecutionContext.h"
#include <heap/WeakInlines.h>
#include <runtime/JSLock.h>
using namespace JSC;
namespace WebCore {
JSCustomElementInterface::JSCustomElementInterface(JSObject* constructor, JSDOMGlobalObject* globalObject)
: ActiveDOMCallback(globalObject->scriptExecutionContext())
, m_constructor(constructor)
, m_isolatedWorld(&globalObject->world())
{
}
JSCustomElementInterface::~JSCustomElementInterface()
{
}
RefPtr<Element> JSCustomElementInterface::constructElement(const AtomicString& tagName)
{
if (!canInvokeCallback())
return nullptr;
Ref<JSCustomElementInterface> protect(*this);
JSLockHolder lock(m_isolatedWorld->vm());
if (!m_constructor)
return nullptr;
ScriptExecutionContext* context = scriptExecutionContext();
if (!context)
return nullptr;
ASSERT(context->isDocument());
JSDOMGlobalObject* globalObject = toJSDOMGlobalObject(context, *m_isolatedWorld);
ExecState* state = globalObject->globalExec();
ConstructData constructData;
ConstructType constructType = m_constructor->methodTable()->getConstructData(m_constructor.get(), constructData);
if (constructType == ConstructTypeNone) {
ASSERT_NOT_REACHED();
return nullptr;
}
MarkedArgumentBuffer args;
args.append(jsStringWithCache(state, tagName));
InspectorInstrumentationCookie cookie = JSMainThreadExecState::instrumentFunctionConstruct(context, constructType, constructData);
JSValue newElement = construct(state, m_constructor.get(), constructType, constructData, args);
InspectorInstrumentation::didCallFunction(cookie, context);
if (newElement.isEmpty())
return nullptr;
Element* wrappedElement = JSElement::toWrapped(newElement);
if (!wrappedElement)
return nullptr;
wrappedElement->setIsCustomElement();
return wrappedElement;
}
} // namespace WebCore
#endif
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