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 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
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#ifndef _COMPHELPER_WEAK_HXX_
#define _COMPHELPER_WEAK_HXX_

#include "comphelper/comphelperdllapi.h"

#include <com/sun/star/lang/XTypeProvider.hpp>
#include <cppuhelper/weak.hxx>

namespace comphelper
{    
/** Base class to implement an UNO object supporting types and weak references, i.e. the object can be held
    weakly (by a ::com::sun::star::uno::WeakReference).
    This implementation copes with reference counting.  Upon last release(), the virtual dtor
    is called.

	In addition to the features from cppu::OWeakObject, derivations from this class can
	also used as a base class for ::cppu::ImplInheritanceHelper?
*/
class COMPHELPER_DLLPUBLIC OWeakTypeObject : public ::cppu::OWeakObject, public ::com::sun::star::lang::XTypeProvider
{
public:
	OWeakTypeObject();
	virtual ~OWeakTypeObject();

    virtual ::com::sun::star::uno::Any SAL_CALL queryInterface(const ::com::sun::star::uno::Type & rType )	throw (::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL acquire()	throw ();
    virtual void SAL_CALL release()	throw ();
    virtual ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Type > SAL_CALL getTypes(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Sequence< ::sal_Int8 > SAL_CALL getImplementationId(  ) throw (::com::sun::star::uno::RuntimeException);

};

}

#endif