listener.hxx

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#ifndef INCLUDED_SVL_LISTENER_HXX
#define INCLUDED_SVL_LISTENER_HXX
 
#include <svl/svldllapi.h>
 
#include <o3tl/sorted_vector.hxx>
 
class SvtBroadcaster;
class SfxHint;
 
class SVL_DLLPUBLIC SvtListener
{
    friend class SvtBroadcaster;
    typedef o3tl::sorted_vector<SvtBroadcaster*> BroadcastersType;
    BroadcastersType maBroadcasters;
 
    const SvtListener&  operator=(const SvtListener &) = delete;
    // called from the SvtBroadcaster destructor
    void BroadcasterDying( SvtBroadcaster& rBroadcaster );
 
public:
    class SVL_DLLPUBLIC QueryBase
    {
        sal_uInt16 mnId;
    public:
        QueryBase( sal_uInt16 nId ) : mnId(nId) {}
        virtual ~QueryBase() {};
 
        sal_uInt16 getId() const { return mnId; }
    };
 
    SvtListener() = default;
    SvtListener( const SvtListener &r ) = default;
    virtual ~SvtListener() COVERITY_NOEXCEPT_FALSE;
 
    bool StartListening( SvtBroadcaster& rBroadcaster );
    void EndListening( SvtBroadcaster& rBroadcaster );
    void EndListeningAll();
 
    void CopyAllBroadcasters( const SvtListener& r );
    bool HasBroadcaster() const { return !maBroadcasters.empty(); }
 
    virtual void Notify( const SfxHint& rHint );
    virtual void Query( QueryBase& rQuery ) const;
};
 
 
#endif
 
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