AsynchronousLink.hxx

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#pragma once
 
#include <mutex>
#include <tools/link.hxx>
 
struct ImplSVEvent;
 
namespace dbaui
{
 
    // a helper for multi-threaded handling of async events
 
    class OAsynchronousLink final
    {
        Link<void*,void>    m_aHandler;
        std::mutex          m_aEventSafety;
        std::mutex          m_aDestructionSafety;
        ImplSVEvent *       m_nEventId;
        DECL_LINK(OnAsyncCall, void*, void);
 
    public:
        OAsynchronousLink( const Link<void*,void>& _rHandler );
        ~OAsynchronousLink();
 
        bool    IsRunning() const { return m_nEventId != nullptr; }
 
        void Call( void* _pArgument = nullptr );
        void CancelCall();
    };
}
 
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