/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: DrawModelBroadcaster.cxx,v $
 *
 *  $Revision: 1.4 $
 *
 *  last change: $Author: rt $ $Date: 2005-09-08 20:21:02 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

#ifndef _SC_DRAWMODELBROADCASTER_HXX
#include "DrawModelBroadcaster.hxx"
#endif

#ifndef _SVDMODEL_HXX
#include <svx/svdmodel.hxx>
#endif
#ifndef SVX_UNOMOD_HXX
#include <svx/unomod.hxx>
#endif
#ifndef _TOOLS_DEBUG_HXX
#include <tools/debug.hxx>
#endif

using namespace ::com::sun::star;

ScDrawModelBroadcaster::ScDrawModelBroadcaster( SdrModel *pDrawModel ) :
    maEventListeners( maListenerMutex ),
    mpDrawModel( pDrawModel )
{
    if (mpDrawModel)
        StartListening( *mpDrawModel );
}

ScDrawModelBroadcaster::~ScDrawModelBroadcaster()
{
    if (mpDrawModel)
        EndListening( *mpDrawModel );
}

void SAL_CALL ScDrawModelBroadcaster::addEventListener( const uno::Reference< document::XEventListener >& xListener )
    throw (uno::RuntimeException)
{
    maEventListeners.addInterface( xListener );
}

void SAL_CALL ScDrawModelBroadcaster::removeEventListener( const uno::Reference< document::XEventListener >& xListener )
    throw (uno::RuntimeException)
{
    maEventListeners.removeInterface( xListener );
}

void ScDrawModelBroadcaster::Notify( SfxBroadcaster& rBC,
        const SfxHint& rHint )
{
    const SdrHint *pSdrHint = PTR_CAST( SdrHint, &rHint );
    if( !pSdrHint )
        return;

    document::EventObject aEvent;
    if( !SvxUnoDrawMSFactory::createEvent( mpDrawModel, pSdrHint, aEvent ) )
        return;

    ::cppu::OInterfaceIteratorHelper aIter( maEventListeners );
    while( aIter.hasMoreElements() )
    {
        uno::Reference < document::XEventListener > xListener( aIter.next(), uno::UNO_QUERY );
        try
        {
            xListener->notifyEvent( aEvent );
        }
        catch( uno::RuntimeException& r )
        {
#if OSL_DEBUG_LEVEL > 1
            ByteString aError( "Runtime exception caught while notifying shape.:\n" );
            aError += ByteString( String( r.Message), RTL_TEXTENCODING_ASCII_US );
            DBG_ERROR( aError.GetBuffer() );
#endif
        }
    }
}