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See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 29*cdf0e10cSrcweir #include "precompiled_svl.hxx" 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #ifndef GCC 32*cdf0e10cSrcweir #endif 33*cdf0e10cSrcweir #include <tools/debug.hxx> 34*cdf0e10cSrcweir 35*cdf0e10cSrcweir #include <svl/listener.hxx> 36*cdf0e10cSrcweir #include <svl/listeneriter.hxx> 37*cdf0e10cSrcweir #include <svl/broadcast.hxx> 38*cdf0e10cSrcweir #include <svl/smplhint.hxx> 39*cdf0e10cSrcweir 40*cdf0e10cSrcweir 41*cdf0e10cSrcweir //==================================================================== 42*cdf0e10cSrcweir TYPEINIT0(SvtBroadcaster); 43*cdf0e10cSrcweir 44*cdf0e10cSrcweir //==================================================================== 45*cdf0e10cSrcweir 46*cdf0e10cSrcweir // simple ctor of class SvtBroadcaster 47*cdf0e10cSrcweir 48*cdf0e10cSrcweir SvtBroadcaster::SvtBroadcaster() 49*cdf0e10cSrcweir : pRoot( 0 ) 50*cdf0e10cSrcweir { 51*cdf0e10cSrcweir } 52*cdf0e10cSrcweir 53*cdf0e10cSrcweir //-------------------------------------------------------------------- 54*cdf0e10cSrcweir 55*cdf0e10cSrcweir // copy ctor of class SvtBroadcaster 56*cdf0e10cSrcweir 57*cdf0e10cSrcweir SvtBroadcaster::SvtBroadcaster( const SvtBroadcaster &rBC ) 58*cdf0e10cSrcweir : pRoot( 0 ) 59*cdf0e10cSrcweir { 60*cdf0e10cSrcweir SvtListenerIter aIter( (SvtBroadcaster&)rBC ); 61*cdf0e10cSrcweir SvtListener* pLast = aIter.GoStart(); 62*cdf0e10cSrcweir if( pLast ) 63*cdf0e10cSrcweir do { 64*cdf0e10cSrcweir pLast->StartListening( *this ); 65*cdf0e10cSrcweir } while( 0 != ( pLast = aIter.GoNext() )); 66*cdf0e10cSrcweir } 67*cdf0e10cSrcweir 68*cdf0e10cSrcweir //-------------------------------------------------------------------- 69*cdf0e10cSrcweir 70*cdf0e10cSrcweir // unregister all listeners 71*cdf0e10cSrcweir 72*cdf0e10cSrcweir SvtBroadcaster::~SvtBroadcaster() 73*cdf0e10cSrcweir { 74*cdf0e10cSrcweir Broadcast( SfxSimpleHint(SFX_HINT_DYING) ); 75*cdf0e10cSrcweir 76*cdf0e10cSrcweir SvtListenerIter aIter( *this ); 77*cdf0e10cSrcweir SvtListener* pLast = aIter.GoStart(); 78*cdf0e10cSrcweir if( pLast ) 79*cdf0e10cSrcweir do { 80*cdf0e10cSrcweir pLast->EndListening( *this ); 81*cdf0e10cSrcweir if( !HasListeners() ) // all gone ?? 82*cdf0e10cSrcweir break; 83*cdf0e10cSrcweir } while( 0 != ( pLast = aIter.GoNext() )); 84*cdf0e10cSrcweir } 85*cdf0e10cSrcweir 86*cdf0e10cSrcweir //-------------------------------------------------------------------- 87*cdf0e10cSrcweir 88*cdf0e10cSrcweir // broadcast immedeately 89*cdf0e10cSrcweir 90*cdf0e10cSrcweir void SvtBroadcaster::Broadcast( const SfxHint &rHint ) 91*cdf0e10cSrcweir { 92*cdf0e10cSrcweir // is anybody to notify? 93*cdf0e10cSrcweir if( HasListeners() /* && !IsModifyLocked()*/ ) 94*cdf0e10cSrcweir { 95*cdf0e10cSrcweir // LockModify(); 96*cdf0e10cSrcweir // bInModify = sal_True; 97*cdf0e10cSrcweir 98*cdf0e10cSrcweir SvtListenerIter aIter( *this ); 99*cdf0e10cSrcweir SvtListener* pLast = aIter.GoStart(); 100*cdf0e10cSrcweir if( pLast ) 101*cdf0e10cSrcweir do { 102*cdf0e10cSrcweir pLast->Notify( *this, rHint ); 103*cdf0e10cSrcweir if( !HasListeners() ) // all gone ?? 104*cdf0e10cSrcweir break; 105*cdf0e10cSrcweir } while( 0 != ( pLast = aIter.GoNext() )); 106*cdf0e10cSrcweir 107*cdf0e10cSrcweir // bInModify = sal_False; 108*cdf0e10cSrcweir // UnlockModify(); 109*cdf0e10cSrcweir } 110*cdf0e10cSrcweir } 111*cdf0e10cSrcweir 112*cdf0e10cSrcweir //-------------------------------------------------------------------- 113*cdf0e10cSrcweir 114*cdf0e10cSrcweir 115*cdf0e10cSrcweir // called, if no more listeners exists 116*cdf0e10cSrcweir 117*cdf0e10cSrcweir void SvtBroadcaster::ListenersGone() 118*cdf0e10cSrcweir { 119*cdf0e10cSrcweir } 120*cdf0e10cSrcweir 121*cdf0e10cSrcweir //-------------------------------------------------------------------- 122*cdf0e10cSrcweir 123*cdf0e10cSrcweir // forward a notification to all registered listeners 124*cdf0e10cSrcweir 125*cdf0e10cSrcweir void SvtBroadcaster::Forward( SvtBroadcaster& rBC, const SfxHint& rHint ) 126*cdf0e10cSrcweir { 127*cdf0e10cSrcweir // is anybody to notify? 128*cdf0e10cSrcweir if( rBC.HasListeners() /* && !IsModifyLocked()*/ ) 129*cdf0e10cSrcweir { 130*cdf0e10cSrcweir // LockModify(); 131*cdf0e10cSrcweir // bInModify = sal_True; 132*cdf0e10cSrcweir 133*cdf0e10cSrcweir SvtListenerIter aIter( rBC ); 134*cdf0e10cSrcweir SvtListener* pLast = aIter.GoStart(); 135*cdf0e10cSrcweir if( pLast ) 136*cdf0e10cSrcweir do { 137*cdf0e10cSrcweir pLast->Notify( rBC, rHint ); 138*cdf0e10cSrcweir if( !rBC.HasListeners() ) // all gone ?? 139*cdf0e10cSrcweir break; 140*cdf0e10cSrcweir } while( 0 != ( pLast = aIter.GoNext() )); 141*cdf0e10cSrcweir 142*cdf0e10cSrcweir // bInModify = sal_False; 143*cdf0e10cSrcweir // UnlockModify(); 144*cdf0e10cSrcweir } 145*cdf0e10cSrcweir } 146*cdf0e10cSrcweir 147*cdf0e10cSrcweir 148*cdf0e10cSrcweir 149