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Diffstat (limited to 'svl/source/notify/broadcast.cxx')
-rw-r--r-- | svl/source/notify/broadcast.cxx | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/svl/source/notify/broadcast.cxx b/svl/source/notify/broadcast.cxx new file mode 100644 index 000000000000..ede14e4171b2 --- /dev/null +++ b/svl/source/notify/broadcast.cxx @@ -0,0 +1,151 @@ +/************************************************************************* + * + * 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: broadcast.cxx,v $ + * $Revision: 1.6 $ + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_svl.hxx" + +#ifndef GCC +#endif +#include <tools/debug.hxx> + +#include "listener.hxx" +#include "listeneriter.hxx" +#include "broadcast.hxx" +#include <svl/smplhint.hxx> + + +//==================================================================== +TYPEINIT0(SvtBroadcaster); + +//==================================================================== + +// simple ctor of class SvtBroadcaster + +SvtBroadcaster::SvtBroadcaster() + : pRoot( 0 ) +{ +} + +//-------------------------------------------------------------------- + +// copy ctor of class SvtBroadcaster + +SvtBroadcaster::SvtBroadcaster( const SvtBroadcaster &rBC ) + : pRoot( 0 ) +{ + SvtListenerIter aIter( (SvtBroadcaster&)rBC ); + SvtListener* pLast = aIter.GoStart(); + if( pLast ) + do { + pLast->StartListening( *this ); + } while( 0 != ( pLast = aIter.GoNext() )); +} + +//-------------------------------------------------------------------- + +// unregister all listeners + +SvtBroadcaster::~SvtBroadcaster() +{ + Broadcast( SfxSimpleHint(SFX_HINT_DYING) ); + + SvtListenerIter aIter( *this ); + SvtListener* pLast = aIter.GoStart(); + if( pLast ) + do { + pLast->EndListening( *this ); + if( !HasListeners() ) // all gone ?? + break; + } while( 0 != ( pLast = aIter.GoNext() )); +} + +//-------------------------------------------------------------------- + +// broadcast immedeately + +void SvtBroadcaster::Broadcast( const SfxHint &rHint ) +{ + // is anybody to notify? + if( HasListeners() /* && !IsModifyLocked()*/ ) + { +// LockModify(); +// bInModify = TRUE; + + SvtListenerIter aIter( *this ); + SvtListener* pLast = aIter.GoStart(); + if( pLast ) + do { + pLast->Notify( *this, rHint ); + if( !HasListeners() ) // all gone ?? + break; + } while( 0 != ( pLast = aIter.GoNext() )); + +// bInModify = FALSE; +// UnlockModify(); + } +} + +//-------------------------------------------------------------------- + + +// called, if no more listeners exists + +void SvtBroadcaster::ListenersGone() +{ +} + +//-------------------------------------------------------------------- + +// forward a notification to all registered listeners + +void SvtBroadcaster::Forward( SvtBroadcaster& rBC, const SfxHint& rHint ) +{ + // is anybody to notify? + if( rBC.HasListeners() /* && !IsModifyLocked()*/ ) + { +// LockModify(); +// bInModify = TRUE; + + SvtListenerIter aIter( rBC ); + SvtListener* pLast = aIter.GoStart(); + if( pLast ) + do { + pLast->Notify( rBC, rHint ); + if( !rBC.HasListeners() ) // all gone ?? + break; + } while( 0 != ( pLast = aIter.GoNext() )); + +// bInModify = FALSE; +// UnlockModify(); + } +} + + + |