/*

 * Copyright (C) 2009 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.

 */

#ifndef WebScriptWorld_h

#define WebScriptWorld_h

#include <WebCore/COMPtr.h>

namespace WebCore {

    class DOMWrapperWorld;

}

class WebScriptWorld : public Noncopyable, public IWebScriptWorld {

public:

    static WebScriptWorld* standardWorld();

    static COMPtr<WebScriptWorld> createInstance();

    static COMPtr<WebScriptWorld> findOrCreateWorld(WebCore::DOMWrapperWorld*);

    virtual ULONG STDMETHODCALLTYPE AddRef();

    virtual ULONG STDMETHODCALLTYPE Release();

    WebCore::DOMWrapperWorld* world() const { return m_world.get(); }

private:

    static COMPtr<WebScriptWorld> createInstance(PassRefPtr<WebCore::DOMWrapperWorld>);

    WebScriptWorld(PassRefPtr<WebCore::DOMWrapperWorld>);

    ~WebScriptWorld();

    virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID, void** ppvObject);

    virtual HRESULT STDMETHODCALLTYPE standardWorld(IWebScriptWorld**);

    virtual HRESULT STDMETHODCALLTYPE scriptWorldForGlobalContext(JSGlobalContextRef, IWebScriptWorld**);

    virtual HRESULT STDMETHODCALLTYPE unregisterWorld();

    ULONG m_refCount;

    RefPtr<WebCore::DOMWrapperWorld> m_world;

};

#endif // WebScriptWorld_h