/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#ifndef _SFXBRDCST_HXX
#define _SFXBRDCST_HXX

#include "svl/svldllapi.h"
#include <tools/rtti.hxx>
#include <svl/svarray.hxx>

class SfxListener;
class SfxHint;

#ifndef _SFX_BRDCST_CXX
typedef SvPtrarr SfxListenerArr_Impl;
#endif

//-------------------------------------------------------------------------

class SVL_DLLPUBLIC SfxBroadcaster
{
friend class SfxListener;

    SfxListenerArr_Impl     aListeners;

private:
    sal_Bool         AddListener( SfxListener& rListener );
    void                    RemoveListener( SfxListener& rListener );
    const SfxBroadcaster&   operator=(const SfxBroadcaster &); // verboten

protected:
    void                    Forward(SfxBroadcaster& rBC, const SfxHint& rHint);
    virtual void            ListenersGone();

public:
                            TYPEINFO();

                            SfxBroadcaster();
                            SfxBroadcaster( const SfxBroadcaster &rBC );
    virtual                 ~SfxBroadcaster();

    void                    Broadcast( const SfxHint &rHint );
    void                    BroadcastDelayed( const SfxHint& rHint );
    void                    BroadcastInIdle( const SfxHint& rHint );

    sal_Bool                    HasListeners() const;
    sal_uInt16                  GetListenerCount() const { return aListeners.Count(); }
    SfxListener*            GetListener( sal_uInt16 nNo ) const
                            { return (SfxListener*) aListeners[nNo]; }
};

#endif

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