/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: brdcst.hxx,v $
 * $Revision: 1.3.60.2 $
 *
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
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#ifndef _SFXBRDCST_HXX
#define _SFXBRDCST_HXX

#include "svtools/svldllapi.h"
#include <tools/rtti.hxx>
#include <svtools/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:
	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 );

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

#endif
