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// SPDX-FileCopyrightText: 2010 Jeremy Lainé <jeremy.laine@m4x.org>
//
// SPDX-License-Identifier: LGPL-2.1-or-later
#ifndef QXMPPCLIENTEXTENSION_H
#define QXMPPCLIENTEXTENSION_H
#include "QXmppDiscoveryIq.h"
#include "QXmppExtension.h"
#include "QXmppLogger.h"
#include <memory>
class QDomElement;
class QXmppClient;
class QXmppClientExtensionPrivate;
class QXmppMessage;
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, public QXmppExtension
{
Q_OBJECT
public:
QXmppClientExtension();
~QXmppClientExtension() override;
virtual QStringList discoveryFeatures() const;
virtual QList<QXmppDiscoveryIq::Identity> discoveryIdentities() const;
virtual bool handleStanza(const QDomElement &stanza);
virtual bool handleStanza(const QDomElement &stanza, const std::optional<QXmppE2eeMetadata> &e2eeMetadata);
protected:
QXmppClient *client();
virtual void setClient(QXmppClient *client);
void injectIq(const QDomElement &element, const std::optional<QXmppE2eeMetadata> &e2eeMetadata);
bool injectMessage(QXmppMessage &&message);
private:
// m_client can be replaced with a d-ptr if needed (same size)
QXmppClient *m_client;
friend class QXmppClient;
};
#endif
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