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* Ekiga -- A VoIP and Video-Conferencing application
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* Copyright (C) 2000-2007 Damien Sandras
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version. This program is distributed in the hope
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* that it will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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* Ekiga is licensed under the GPL license and as a special exception, you
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* have permission to link or otherwise combine this program with the
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* programs OPAL, OpenH323 and PWLIB, and distribute the combination, without
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* applying the requirements of the GNU GPL to the OPAL, OpenH323 and PWLIB
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* programs, as long as you do follow the requirements of the GNU GPL for all
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* the rest of the software thus combined.
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* dialect.h - description
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* ------------------------------------------
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* begin : written in 2007 by Julien Puydt
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* copyright : (c) 2007 by Julien Puydt
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* description : declaration of the interface of a chat
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* implementation backend
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#include "chat-simple.h"
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#include "chat-multiple.h"
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virtual ~Dialect () {}
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/** Triggers a callback for all simple chats of the Dialect.
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* @param: The callback (the return value means "go on" and allows
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virtual void visit_simple_chats (sigc::slot<bool, SimpleChat&> visitor) = 0;
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/** Triggers a callback for all multiple chats of the Dialect.
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* @param: The callback (the return value means "go on" and allows
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virtual void visit_multiple_chats (sigc::slot<bool, MultipleChat&> visitor) = 0;
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/** Feed possible actions on this Dialect to the given MenuBuilder
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* @param A MenuBuilder object to populate.
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virtual bool populate_menu (MenuBuilder &) = 0;
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/** This signal is emitted when an Ekiga::SimpleChat has been added to
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sigc::signal<void, SimpleChat&> simple_chat_added;
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/** This signal is emitted when an Ekiga::MultipleChat has been added to
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sigc::signal<void, MultipleChat&> multiple_chat_added;
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/** This chain allows the Dialect to present forms to the user.
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ChainOfResponsibility<FormRequest*> questions;