Emitter.hxx

// 
// Copyright (C) 2006 James M. Lawrence.  All rights reserved.
// 
// software: esve-1.0.3
// file: esve/kernel/impl/Emitter.hxx
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
// 
// 2. The origin of this software must not be misrepresented; you must
//    not claim that you wrote the original software.  If you use this
//    software in a product, an acknowledgment in the product 
//    documentation would be appreciated but is not required.
// 
// 3. Altered source versions must be plainly marked as such, and must
//    not be misrepresented as being the original software.
// 
// 4. The name of the author may not be used to endorse or promote
//    products derived from this software without specific prior written
//    permission.
// 
// THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY,
// AND WITH NO CLAIM AS TO ITS SUITABILITY FOR ANY PURPOSE.  IN NO EVENT
// SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM WHATSOEVER MADE IN CONNECTION
// TO THIS SOFTWARE.
// 

#ifndef esve_kernel_impl_Emitter_hxx
#define esve_kernel_impl_Emitter_hxx

#include <esve/kernel/Emitter.hxx>
#include <memory>

namespace esve { namespace message { class Handle_Sender ; } }

namespace esve { namespace kernel { namespace impl {


class Emitter
    : virtual public kernel::Emitter
{
public:
    ~Emitter() = 0 ;
    
    void add_handler( kernel::Handler & ) ;
    void remove_handler( kernel::Handler & ) ;
    void remove_all_handlers() ;

protected:
    Emitter() ;
    
    //
    // After creating a Handle_Sender which encodes data into a
    // Handle_Args instance, call this function to point it at the
    // common encoder node.
    //
    // You almost certainly want to call this in the constructor.
    //
    void add_encoder( message::Handle_Sender & ) ;

private:
    Emitter( const Emitter & ) ;
    Emitter & operator=( const Emitter & ) ;

    class Private ;
    const std::auto_ptr<Private> m ;
} ;

}}} // namespace esve::kernel::impl

#endif

---