JSDOMConstructorWithDocument.h   [plain text]

/*
 *  Copyright (C) 2015, 2016 Canon Inc. All rights reserved.
 *  Copyright (C) 2016 Apple Inc. All rights reserved.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#pragma once

#include "Document.h"
#include "JSDOMConstructorBase.h"

namespace WebCore {

// Constructors using this base class depend on being in a Document and
// can never be used from a WorkerGlobalScope.
class JSDOMConstructorWithDocument : public JSDOMConstructorBase {
public:
    using Base = JSDOMConstructorBase;

    Document* document() const
    {
        return downcast<Document>(scriptExecutionContext());
    }

protected:
    JSDOMConstructorWithDocument(JSC::Structure* structure, JSDOMGlobalObject& globalObject)
        : JSDOMConstructorBase(structure, globalObject)
    {
    }

    void finishCreation(JSDOMGlobalObject& globalObject)
    {
        Base::finishCreation(globalObject.vm());
        ASSERT(globalObject.scriptExecutionContext()->isDocument());
    }
};

} // namespace WebCore