Signalv2ImplSerious.hxx

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00001 /*
00002  * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
00003  *                         UNIVERSITAT POMPEU FABRA
00004  *
00005  *
00006  * This program is free software; you can redistribute it and/or modify
00007  * it under the terms of the GNU General Public License as published by
00008  * the Free Software Foundation; either version 2 of the License, or
00009  * (at your option) any later version.
00010  *
00011  * This program is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  * GNU General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU General Public License
00017  * along with this program; if not, write to the Free Software
00018  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00019  *
00020  */
00021 
00022 #ifndef __SIGNALV2IMPLSERIOUS__
00023 #define __SIGNALV2IMPLSERIOUS__
00024 
00025 #ifndef __SIGNALV2__
00026 #error "This is an internal implementation header. You are not allowed to include it directly!"
00027 #endif
00028 
00029 #include "ConnectionHandler.hxx"
00030 
00031 namespace SigSlot
00032 {
00033 
00034 template < typename ParmType1, typename ParmType2 >
00035         class Signalv2 : public Signal
00036 {
00037 public:
00038         typedef typename CBL::Functor2<ParmType1,ParmType2>              tCallbackType;
00039 
00040 public:
00041         
00042         virtual ~Signalv2()
00043         {
00044                 mSuper.DestroyConnections();
00045         }
00046 
00047 
00048         void Connect( Slotv2<ParmType1,ParmType2>& slot )
00049         {
00050                 Connection c( AssignConnection(), this );
00051 
00052                 mSuper.AddCallback( c.GetID(), &slot, slot.GetMethod() );
00053 
00054                 slot.Bind(c);
00055         }
00056         
00057         void Emit( ParmType1 parm1, ParmType2 parm2 )
00058         {
00059                 if ( mSuper.HasNoCallbacks() )
00060                         return;
00061                 
00062                 typename tSuperType::tCallList calls = mSuper.GetCalls();
00063                 typename tSuperType::tCallIterator i = calls.begin();
00064                 typename tSuperType::tCallIterator end = calls.end();
00065 
00066                 while ( i != end )
00067                         {
00068                                 (*(*i))( parm1, parm2 );
00069                                 i++;
00070                         }
00071                 
00072         }
00073 
00074         void FreeConnection( Connection* pConnection )
00075         {
00076                 mSuper.RemoveCall( pConnection->GetID() );
00077                 FreeConnectionId( pConnection->GetID() );
00078         }
00079 private:
00080         typedef Signalv2<ParmType1,ParmType2>                tSignalType;
00081         typedef ConnectionHandler<tSignalType >     tSuperType;
00082 
00083         tSuperType  mSuper;
00084 };
00085 
00086 }
00087 
00088 
00089 #endif // Signalv2ImplSerious.hxx
00090 
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