From 524a02debffd9552f0928b5804d7b51b045aa9d2 Mon Sep 17 00:00:00 2001
From: Melvin Keskin <melvo@olomono.de>
Date: Sun, 25 Sep 2022 14:12:51 +0200
Subject: Implement XEP-0272: Multiparty Jingle (Muji) stanza extensions (#457)

Adds the presence extension and the extension of the Jingle IQ.

https://xmpp.org/extensions/xep-0272.html
---
 src/base/QXmppPresence.cpp | 83 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)

(limited to 'src/base/QXmppPresence.cpp')

diff --git a/src/base/QXmppPresence.cpp b/src/base/QXmppPresence.cpp
index 54e44fb4..059bd642 100644
--- a/src/base/QXmppPresence.cpp
+++ b/src/base/QXmppPresence.cpp
@@ -1,10 +1,12 @@
 // SPDX-FileCopyrightText: 2009 Manjeet Dahiya <manjeetdahiya@gmail.com>
+// SPDX-FileCopyrightText: 2022 Melvin Keskin <melvo@olomono.de>
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppPresence.h"
 
 #include "QXmppConstants_p.h"
+#include "QXmppJingleIq.h"
 #include "QXmppUtils.h"
 
 #include <QDateTime>
@@ -59,6 +61,10 @@ public:
     QByteArray photoHash;
     QXmppPresence::VCardUpdateType vCardUpdateType;
 
+    // XEP-0272: Multiparty Jingle (Muji)
+    bool isPreparingMujiSession = false;
+    QVector<QXmppJingleIq::Content> mujiContents;
+
     // XEP-0319: Last User Interaction in Presence
     QDateTime lastUserInteraction;
 
@@ -253,6 +259,54 @@ QStringList QXmppPresence::capabilityExt() const
     return d->capabilityExt;
 }
 
+///
+/// Returns whether a \xep{0272, Multiparty Jingle (Muji)} session is being prepared.
+///
+/// \return whether a Muji session is being prepared
+///
+/// \since QXmpp 1.5
+///
+bool QXmppPresence::isPreparingMujiSession() const
+{
+    return d->isPreparingMujiSession;
+}
+
+///
+/// Sets whether a \xep{0272, Multiparty Jingle (Muji)} session is being prepared.
+///
+/// \param isPreparingMujiSession whether a Muji session is being prepared
+///
+/// \since QXmpp 1.5
+///
+void QXmppPresence::setIsPreparingMujiSession(bool isPreparingMujiSession)
+{
+    d->isPreparingMujiSession = isPreparingMujiSession;
+}
+
+///
+/// Returns \xep{0272, Multiparty Jingle (Muji)} contents.
+///
+/// \return Muji contents
+///
+/// \since QXmpp 1.5
+///
+QVector<QXmppJingleIq::Content> QXmppPresence::mujiContents() const
+{
+    return d->mujiContents;
+}
+
+///
+/// Sets \xep{0272, Multiparty Jingle (Muji)} contents.
+///
+/// \param mujiContents Muji contents
+///
+/// \since QXmpp 1.5
+///
+void QXmppPresence::setMujiContents(const QVector<QXmppJingleIq::Content> &mujiContents)
+{
+    d->mujiContents = mujiContents;
+}
+
 /// Returns the MUC item.
 
 QXmppMucItem QXmppPresence::mucItem() const
@@ -447,6 +501,19 @@ void QXmppPresence::parseExtension(const QDomElement &element, QXmppElementList
                 d->vCardUpdateType = VCardUpdateValidPhoto;
             }
         }
+        // XEP-0272: Multiparty Jingle (Muji)
+    } else if (element.tagName() == QStringLiteral("muji") && element.namespaceURI() == ns_muji) {
+        if (!element.firstChildElement(QStringLiteral("preparing")).isNull()) {
+            d->isPreparingMujiSession = true;
+        }
+
+        for (auto contentElement = element.firstChildElement(QStringLiteral("content"));
+             !contentElement.isNull();
+             contentElement = contentElement.nextSiblingElement(QStringLiteral("content"))) {
+            QXmppJingleIq::Content content;
+            content.parse(contentElement);
+            d->mujiContents.append(content);
+        }
         // XEP-0319: Last User Interaction in Presence
     } else if (element.tagName() == QStringLiteral("idle") && element.namespaceURI() == ns_idle) {
         if (element.hasAttribute(QStringLiteral("since"))) {
@@ -537,6 +604,22 @@ void QXmppPresence::toXml(QXmlStreamWriter *xmlWriter) const
         xmlWriter->writeEndElement();
     }
 
+    // XEP-0272: Multiparty Jingle (Muji)
+    if (d->isPreparingMujiSession || !d->mujiContents.isEmpty()) {
+        xmlWriter->writeStartElement(QStringLiteral("muji"));
+        xmlWriter->writeDefaultNamespace(ns_muji);
+
+        if (d->isPreparingMujiSession) {
+            xmlWriter->writeEmptyElement(QStringLiteral("preparing"));
+        }
+
+        for (const auto &mujiContent : d->mujiContents) {
+            mujiContent.toXml(xmlWriter);
+        }
+
+        xmlWriter->writeEndElement();
+    }
+
     // XEP-0319: Last User Interaction in Presence
     if (!d->lastUserInteraction.isNull() && d->lastUserInteraction.isValid()) {
         xmlWriter->writeStartElement(QStringLiteral("idle"));
-- 
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