Equalizer  1.4.1
dispatcher.h
00001 
00002 /* Copyright (c) 2006-2012, Stefan Eilemann <eile@equalizergraphics.com>
00003  *
00004  * This library is free software; you can redistribute it and/or modify it under
00005  * the terms of the GNU Lesser General Public License version 2.1 as published
00006  * by the Free Software Foundation.
00007  *  
00008  * This library is distributed in the hope that it will be useful, but WITHOUT
00009  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00010  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
00011  * details.
00012  * 
00013  * You should have received a copy of the GNU Lesser General Public License
00014  * along with this library; if not, write to the Free Software Foundation, Inc.,
00015  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00016  */
00017 
00018 #ifndef CO_DISPATCHER_H
00019 #define CO_DISPATCHER_H
00020 
00021 #include <co/api.h>
00022 #include <co/commandFunc.h> // used inline
00023 #include <co/types.h>
00024 
00025 namespace co
00026 {
00027 namespace detail { class Dispatcher; }
00028 
00036     class Dispatcher
00037     {
00038     public:
00039         typedef CommandFunc< Dispatcher > Func;
00040 
00041         CO_API Dispatcher();
00042         CO_API Dispatcher( const Dispatcher& from );
00043         CO_API virtual ~Dispatcher();
00044 
00046         const Dispatcher& operator = ( const Dispatcher& ) { return *this; }
00047 
00055         CO_API virtual bool dispatchCommand( Command& command );
00056 
00057     protected:
00070         template< typename T > void
00071         registerCommand( const uint32_t command, const CommandFunc< T >& func,
00072                          CommandQueue* destinationQueue );
00073 
00074         
00081         CO_API bool _cmdUnknown( Command& command );
00082 
00083     private:
00084         detail::Dispatcher* const _impl;
00085 
00086         CO_API void _registerCommand( const uint32_t command,
00087                                       const Func& func,
00088                                       CommandQueue* destinationQueue );
00089     };
00090 
00091     template< typename T >
00092     void Dispatcher::registerCommand( const uint32_t command,
00093                                       const CommandFunc< T >& func,
00094                                       CommandQueue* queue )
00095     {
00096         _registerCommand( command, Dispatcher::Func( func ), queue );
00097     }
00098 }
00099 #endif // CO_DISPATCHER_H
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