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#ifndef CHART2_MODIFYLISTENERCALLBACK_HXX
#define CHART2_MODIFYLISTENERCALLBACK_HXX

// header for class Link
#include <tools/link.hxx>
#include <com/sun/star/util/XModifyBroadcaster.hpp>
#include <com/sun/star/util/XModifyListener.hpp>
#include "charttoolsdllapi.hxx"

namespace chart {

/** Use this class as a member if you want to listen on a XModifyBroadcaster
without becoming a XModifyListener yourself
 */

class ModifyListenerCallBack_impl;

class OOO_DLLPUBLIC_CHARTTOOLS ModifyListenerCallBack
{
public:
    explicit ModifyListenerCallBack( const Link& rCallBack );
    
    virtual ~ModifyListenerCallBack();

    void startListening( const ::com::sun::star::uno::Reference< ::com::sun::star::util::XModifyBroadcaster >& xBroadcaster );
    SAL_DLLPRIVATE void stopListening();

private: //methods
    SAL_DLLPRIVATE ModifyListenerCallBack();
    SAL_DLLPRIVATE ModifyListenerCallBack( const ModifyListenerCallBack& );

private: //member
    ModifyListenerCallBack_impl* pModifyListener_impl;
    ::com::sun::star::uno::Reference<
        ::com::sun::star::util::XModifyListener >   m_xModifyListener;
};

} // namespace chart

#endif