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99 lines
2.5 KiB
99 lines
2.5 KiB
/*
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kopetefilterchain.h - Kopete Message Filter Chain
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Copyright (c) 2004 by Richard Smith <kde@metafoo.co.uk>
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Kopete (c) 2002-2004 by the Kopete developers <kopete-devel@kde.org>
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*************************************************************************
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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*************************************************************************
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*/
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#ifndef KOPETEFILTERCHAIN_H
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#define KOPETEFILTERCHAIN_H
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#include <tqobject.h>
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#include <kdemacros.h>
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#include <ksharedptr.h>
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#include "kopetemessage.h"
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#include "kopetetask.h"
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namespace Kopete
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{
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class MessageEvent;
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class MessageHandler;
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class ProcessMessageTask;
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/**
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* @brief A chain of message handlers; the processing layer between protocol and chat view
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*
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* This class represents a chain of connected message handlers.
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*
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* This class is the client of the chain of responsibility formed by the
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* MessageHandlers, and acts as a facade for that chain, presenting a
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* more convenient interface.
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*
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* @author Richard Smith <kde@metafoo.co.uk>
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*/
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class MessageHandlerChain : public TQObject, private KShared
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{
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Q_OBJECT
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TQ_OBJECT
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public:
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friend class KSharedPtr<MessageHandlerChain>;
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typedef KSharedPtr<MessageHandlerChain> Ptr;
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/**
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* Create a new MessageHandlerChain object with the appropriate handlers for
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* processing messages entering @p manager in direction @p direction.
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*/
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static Ptr create( ChatSession *manager, Message::MessageDirection direction );
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ProcessMessageTask *processMessage( const Message &message );
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int capabilities();
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private:
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MessageHandlerChain();
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~MessageHandlerChain();
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friend class ProcessMessageTask;
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class Private;
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Private *d;
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};
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/**
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* @brief A task for processing a message
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* @author Richard Smith <kde@metafoo.co.uk>
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*/
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class ProcessMessageTask : public Task
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{
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Q_OBJECT
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TQ_OBJECT
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public:
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MessageEvent *event();
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private slots:
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void slotStart();
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void slotDone();
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private:
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ProcessMessageTask(MessageHandlerChain::Ptr, MessageEvent *event);
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~ProcessMessageTask();
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friend class MessageHandlerChain;
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class Private;
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Private *d;
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};
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}
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#endif
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// vim: set noet ts=4 sts=4 sw=4:
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