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/*
* Ekiga -- A VoIP and Video-Conferencing application
* Copyright (C) 2000-2009 Damien Sandras <dsandras@seconix.com>
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version. This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Ekiga is licensed under the GPL license and as a special exception, you
* have permission to link or otherwise combine this program with the
* programs OPAL, OpenH323 and PWLIB, and distribute the combination, without
* applying the requirements of the GNU GPL to the OPAL, OpenH323 and PWLIB
* programs, as long as you do follow the requirements of the GNU GPL for all
* the rest of the software thus combined.
*/
/*
* dialect.h - description
* ------------------------------------------
* begin : written in 2007 by Julien Puydt
* copyright : (c) 2007 by Julien Puydt
* description : declaration of the interface of a chat
* implementation backend
*
*/
#ifndef __DIALECT_H__
#define __DIALECT_H__
#include "chat-simple.h"
#include "chat-multiple.h"
namespace Ekiga
{
class Dialect
{
public:
/** The destructor.
*/
virtual ~Dialect () {}
/** Triggers a callback for all simple chats of the Dialect.
* @param: The callback (the return value means "go on" and allows
* stopping the visit)
*/
virtual void visit_simple_chats (boost::function1<bool, SimpleChatPtr > visitor) const = 0;
/** Triggers a callback for all multiple chats of the Dialect.
* @param: The callback (the return value means "go on" and allows
* stopping the visit)
*/
virtual void visit_multiple_chats (boost::function1<bool, MultipleChatPtr > visitor) const = 0;
/** Feed possible actions on this Dialect to the given MenuBuilder
* @param A MenuBuilder object to populate.
*/
virtual bool populate_menu (MenuBuilder &) = 0;
/** This signal is emitted when an Ekiga::SimpleChat has been added to
* the dialect.
*/
boost::signal1<void, SimpleChatPtr> simple_chat_added;
/** This signal is emitted when an Ekiga::MultipleChat has been added to
* the dialect.
*/
boost::signal1<void, MultipleChatPtr> multiple_chat_added;
/** This chain allows the Dialect to present forms to the user.
*/
ChainOfResponsibility<FormRequestPtr> questions;
};
typedef boost::shared_ptr<Dialect> DialectPtr;
};
#endif
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