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/*
* Copyright (C) 2008-2021 The QXmpp developers
*
* Author:
* Jeremy Lainé
*
* Source:
* https://github.com/qxmpp-project/qxmpp
*
* This file is a part of QXmpp library.
*
* 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 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
*/
#ifndef QXMPPCLIENTEXTENSION_H
#define QXMPPCLIENTEXTENSION_H
#include "QXmppDiscoveryIq.h"
#include "QXmppLogger.h"
class QDomElement;
class QXmppClient;
class QXmppClientExtensionPrivate;
class QXmppStream;
/// \brief The QXmppClientExtension class is the base class for QXmppClient
/// extensions.
///
/// If you want to extend QXmppClient, for instance to support an IQ type
/// which is not natively supported, you can subclass QXmppClientExtension
/// and implement handleStanza(). You can then add your extension to the
/// client instance using QXmppClient::addExtension().
///
/// \ingroup Core
class QXMPP_EXPORT QXmppClientExtension : public QXmppLoggable
{
Q_OBJECT
public:
QXmppClientExtension();
~QXmppClientExtension() override;
virtual QStringList discoveryFeatures() const;
virtual QList<QXmppDiscoveryIq::Identity> discoveryIdentities() const;
/// \brief You need to implement this method to process incoming XMPP
/// stanzas.
///
/// You should return true if the stanza was handled and no further
/// processing should occur, or false to let other extensions process
/// the stanza.
virtual bool handleStanza(const QDomElement &stanza) = 0;
protected:
QXmppClient *client();
virtual void setClient(QXmppClient *client);
private:
QXmppClientExtensionPrivate *const d;
friend class QXmppClient;
};
#endif
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