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Diffstat (limited to 'svtools/source/notify/brdcst.cxx')
| -rw-r--r-- | svtools/source/notify/brdcst.cxx | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/svtools/source/notify/brdcst.cxx b/svtools/source/notify/brdcst.cxx new file mode 100644 index 000000000000..b0f2fbc7e8a3 --- /dev/null +++ b/svtools/source/notify/brdcst.cxx @@ -0,0 +1,281 @@ +/************************************************************************* + * + * $RCSfile: brdcst.cxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 16:59:03 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 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 + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (the "License"); You may not use this file + * except in compliance with the License. You may obtain a copy of the + * License at http://www.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#pragma hdrstop + +#ifndef _DEBUG_HXX +#include <tools/debug.hxx> +#endif + +#include "hint.hxx" +#include "smplhint.hxx" +#include "lstner.hxx" + +SV_DECL_PTRARR( SfxListenerArr_Impl, SfxListener*, 0, 2 ); + +#define _SFX_BRDCST_CXX +#include "brdcst.hxx" + +#include <segmentc.hxx> + +SEG_EOFGLOBALS() + +//==================================================================== +DBG_NAME(SfxBroadcaster); +TYPEINIT0(SfxBroadcaster); + +//==================================================================== + +//==================================================================== +// broadcast immedeately + +#pragma SEG_FUNCDEF(brdcst_01) + +void SfxBroadcaster::Broadcast( const SfxHint &rHint ) +{ + DBG_CHKTHIS(SfxBroadcaster, 0); + + // is anybody to notify? + if ( aListeners.Count() /*! || aGlobListeners.Count() */ ) + { + // determine the type only once, because of its expensiveness + const TypeId& rBCType = Type(); + const TypeId& rHintType = rHint.Type(); + + // notify all registered listeners exactly once + for ( USHORT n = 0; n < aListeners.Count(); ++n ) + { + SfxListener* pListener = aListeners[n]; + if ( pListener ) + pListener->SFX_NOTIFY( *this, rBCType, rHint, rHintType ); + } + } +} + +//-------------------------------------------------------------------- + +// broadcast after a timeout + +#pragma SEG_FUNCDEF(brdcst_02) + +void SfxBroadcaster::BroadcastDelayed( const SfxHint& rHint ) +{ + DBG_WARNING( "not implemented" ); + Broadcast(rHint); +} +//-------------------------------------------------------------------- + +// broadcast in idle-handler + +#pragma SEG_FUNCDEF(brdcst_03) + +void SfxBroadcaster::BroadcastInIdle( const SfxHint& rHint ) +{ + DBG_WARNING( "not implemented" ); + Broadcast(rHint); +} +//-------------------------------------------------------------------- + +// unregister all listeners + +#pragma SEG_FUNCDEF(brdcst_04) + +SfxBroadcaster::~SfxBroadcaster() +{ + DBG_DTOR(SfxBroadcaster, 0); + + Broadcast( SfxSimpleHint(SFX_HINT_DYING) ); + + // remove all still registered listeners + for ( USHORT nPos = 0; nPos < aListeners.Count(); ++nPos ) + { + SfxListener *pListener = aListeners[nPos]; + if ( pListener ) + pListener->RemoveBroadcaster_Impl(*this); + } +} + +//-------------------------------------------------------------------- + +// simple ctor of class SfxBroadcaster + +#pragma SEG_FUNCDEF(brdcst_05) + +SfxBroadcaster::SfxBroadcaster() +{ + DBG_CTOR(SfxBroadcaster, 0); +} + +//-------------------------------------------------------------------- + +// copy ctor of class SfxBroadcaster + +#pragma SEG_FUNCDEF(brdcst_06) + +SfxBroadcaster::SfxBroadcaster( const SfxBroadcaster &rBC ) +{ + DBG_CTOR(SfxBroadcaster, 0); + + for ( USHORT n = 0; n < rBC.aListeners.Count(); ++n ) + { + SfxListener *pListener = rBC.aListeners[n]; + if ( pListener ) + pListener->StartListening( *this ); + } +} + +//-------------------------------------------------------------------- + +// add a new SfxListener to the list + +#pragma SEG_FUNCDEF(brdcst_07) +#if SUPD>=501 +BOOL +#else +void +#endif + SfxBroadcaster::AddListener( SfxListener& rListener ) +{ + DBG_CHKTHIS(SfxBroadcaster, 0); + const SfxListener *pListener = &rListener; + const SfxListener *pNull = 0; + USHORT nFreePos = aListeners.GetPos( pNull ); + if ( nFreePos < aListeners.Count() ) + aListeners.GetData()[nFreePos] = pListener; + else if ( aListeners.Count() < (USHRT_MAX-1) ) + aListeners.Insert( pListener, aListeners.Count() ); + else + { + DBG_ERROR( "array overflow" ); +#if SUPD>=501 + return FALSE; +#endif + } + + DBG_ASSERT( USHRT_MAX != aListeners.GetPos(pListener), + "AddListener failed" ); +#if SUPD>=501 + return TRUE; +#endif +} + +//-------------------------------------------------------------------- + +// called, if no more listeners exists + +#pragma SEG_FUNCDEF(brdcst_08) + +void SfxBroadcaster::ListenersGone() +{ + DBG_CHKTHIS(SfxBroadcaster,0); +} + +//-------------------------------------------------------------------- + +// forward a notification to all registered listeners + +#pragma SEG_FUNCDEF(brdcst_09) + +void SfxBroadcaster::SFX_FORWARD(SfxBroadcaster& rBC, const TypeId& rBCType, + const SfxHint& rHint, const TypeId& rHintType) +{ + const USHORT nCount = aListeners.Count(); + for ( USHORT i = 0; i < nCount; ++i ) + { + SfxListener *pListener = aListeners[i]; + if ( pListener ) + pListener->SFX_NOTIFY( rBC, rBCType, rHint, rHintType); + } +} + +//-------------------------------------------------------------------- + +// remove one SfxListener from the list + +#pragma SEG_FUNCDEF(brdcst_0a) + +void SfxBroadcaster::RemoveListener( SfxListener& rListener ) +{ + {DBG_CHKTHIS(SfxBroadcaster, 0);} + const SfxListener *pListener = &rListener; + USHORT nPos = aListeners.GetPos(pListener); + DBG_ASSERT( nPos != USHRT_MAX, "RemoveListener: Listener unknown" ); + aListeners.GetData()[nPos] = 0; + if ( !HasListeners() ) + ListenersGone(); +} + +//-------------------------------------------------------------------- + +#pragma SEG_FUNCDEF(brdcst_0b) + +BOOL SfxBroadcaster::HasListeners() const +{ + for ( USHORT n = 0; n < aListeners.Count(); ++n ) + if ( aListeners.GetObject(n) != 0 ) + return TRUE; + return FALSE; +} + +//-------------------------------------------------------------------- + +#pragma SEG_EOFMODULE + |