kopetemessagehandler.cpp

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/*
    kopetemessagefilter.cpp - Kopete Message Filtering

    Copyright (c) 2004      by Richard Smith         <kde@metafoo.co.uk>
    Kopete    (c) 2002-2004 by the Kopete developers <kopete-devel@kde.org>

    *************************************************************************
    *                                                                       *
    * This library is free software; you can redistribute it and/or         *
    * modify it under the terms of the GNU Lesser General Public            *
    * License as published by the Free Software Foundation; either          *
    * version 2 of the License, or (at your option) any later version.      *
    *                                                                       *
    *************************************************************************
*/

#include "kopetemessagehandler.h"
#include "kopetemessageevent.h"

#include <kglobal.h>

namespace Kopete
{

class MessageHandler::Private
{
public:
    Private() : next(0) {}
    MessageHandler *next;
};

MessageHandler::MessageHandler()
 : QObject( 0 ), d( new Private )
{
}

MessageHandler::~MessageHandler()
{
    delete d;
}

MessageHandler *MessageHandler::next()
{
    return d->next;
}

void MessageHandler::setNext( MessageHandler *next )
{
    d->next = next;
}

int MessageHandler::capabilities()
{
    return d->next->capabilities();
}

void MessageHandler::handleMessageInternal( MessageEvent *event )
{
    connect( event, SIGNAL(accepted(Kopete::MessageEvent*)), this, SLOT(messageAccepted(Kopete::MessageEvent*)) );
    handleMessage( event );
}

void MessageHandler::handleMessage( MessageEvent *event )
{
    messageAccepted( event );
}

void MessageHandler::messageAccepted( MessageEvent *event )
{
    disconnect( event, SIGNAL(accepted(Kopete::MessageEvent*)), this, SLOT(messageAccepted(Kopete::MessageEvent*)) );
    d->next->handleMessageInternal( event );
}


class MessageHandlerFactory::Private
{
public:
    static FactoryList &factories();
    FactoryList::Iterator iterator;
};

K_GLOBAL_STATIC(MessageHandlerFactory::FactoryList, g_list)
MessageHandlerFactory::FactoryList& MessageHandlerFactory::Private::factories()
{
    return *g_list;
}

MessageHandlerFactory::MessageHandlerFactory()
    : d( new Private )
{
    d->iterator = Private::factories().insert( Private::factories().end(), (this));
}

MessageHandlerFactory::~MessageHandlerFactory()
{
    if (g_list.isDestroyed())
        return;
    Private::factories().erase( d->iterator );
    delete d;
}

MessageHandlerFactory::FactoryList MessageHandlerFactory::messageHandlerFactories()
{
    return Private::factories();
}

}

#include "kopetemessagehandler.moc"

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