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/*
* Copyright (C) 2008-2019 The QXmpp developers
*
* Author:
* Manjeet Dahiya
*
* 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.
*
*/
#include <QDomElement>
#include "QXmppCarbonManager.h"
#include "QXmppConstants_p.h"
#include "QXmppClient.h"
#include "QXmppDiscoveryManager.h"
#include "QXmppMessage.h"
#include "QXmppUtils.h"
QXmppCarbonManager::QXmppCarbonManager()
: m_carbonsEnabled(false)
{
}
QXmppCarbonManager::~QXmppCarbonManager()
{
}
/// Returns whether message carbons are currently enabled
bool QXmppCarbonManager::carbonsEnabled() const
{
return m_carbonsEnabled;
}
/// Enable or disable message carbons.
/// This function does not check whether the server supports
/// message carbons, but just sends the corresponding stanza
/// to the server, so one must check in advance by using the
/// discovery manager.
///
/// By default, carbon copies are disabled.
void QXmppCarbonManager::setCarbonsEnabled(bool enabled)
{
if(m_carbonsEnabled == enabled)
return;
m_carbonsEnabled = enabled;
if(client()) {
QXmppIq iq(QXmppIq::Set);
QXmppElement carbonselement;
carbonselement.setTagName(m_carbonsEnabled ? "enable" : "disable");
carbonselement.setAttribute("xmlns", ns_carbons);
iq.setExtensions(QXmppElementList() << carbonselement);
client()->sendPacket(iq);
}
}
QStringList QXmppCarbonManager::discoveryFeatures() const
{
return QStringList() << ns_carbons;
}
bool QXmppCarbonManager::handleStanza(const QDomElement &element)
{
if(element.tagName() != "message")
return false;
bool sent = true;
QDomElement carbon = element.firstChildElement("sent");
if(carbon.isNull()) {
carbon = element.firstChildElement("received");
sent = false;
}
if(carbon.isNull() || carbon.namespaceURI() != ns_carbons)
return false; // Neither sent nor received -> no carbon message
QDomElement forwarded = carbon.firstChildElement("forwarded");
if(forwarded.isNull())
return false;
QDomElement messageelement = forwarded.firstChildElement("message");
if(messageelement.isNull())
return false;
QXmppMessage message;
message.parse(messageelement);
if(sent)
emit messageSent(message);
else
emit messageReceived(message);
return true;
}
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