From 310e05a8b2c718a071a98b01516ec01e28d5df74 Mon Sep 17 00:00:00 2001
From: Jeremy Lainé <jeremy.laine@m4x.org>
Date: Mon, 6 Feb 2012 20:21:36 +0000
Subject: add QXmppMessageReceiptManager class

---
 src/QXmppMessageReceiptManager.cpp | 106 +++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 src/QXmppMessageReceiptManager.cpp

(limited to 'src/QXmppMessageReceiptManager.cpp')

diff --git a/src/QXmppMessageReceiptManager.cpp b/src/QXmppMessageReceiptManager.cpp
new file mode 100644
index 00000000..720ac970
--- /dev/null
+++ b/src/QXmppMessageReceiptManager.cpp
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2008-2011 The QXmpp developers
+ *
+ * Author:
+ *  Georg Rudoy
+ *  Jeremy Lainé
+ *
+ * Source:
+ *  http://code.google.com/p/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 "QXmppMessageReceiptManager.h"
+
+#include <QDomElement>
+
+#include "QXmppConstants.h"
+#include "QXmppMessage.h"
+#include "QXmppClient.h"
+
+/// Constructs a QXmppMessageReceiptManager to handle incoming and outgoing
+/// message delivery receipts.
+
+QXmppMessageReceiptManager::QXmppMessageReceiptManager()
+    : QXmppClientExtension()
+    , m_autoReceipt(true)
+{
+}
+
+bool QXmppMessageReceiptManager::autoReceipt() const
+{
+    return m_autoReceipt;
+}
+
+void QXmppMessageReceiptManager::setAutoReceipt(bool autoReceipt)
+{
+    m_autoReceipt = autoReceipt;
+}
+
+/** Sends a receipt for the specified message.
+ */
+void QXmppMessageReceiptManager::sendReceipt(const QString &jid, const QString &id)
+{
+    QXmppMessage msg;
+    msg.setTo(jid);
+    msg.setReceiptId(id);
+    client()->sendPacket(msg);
+}
+
+QStringList QXmppMessageReceiptManager::discoveryFeatures() const
+{
+    return QStringList(ns_message_receipts);
+}
+
+bool QXmppMessageReceiptManager::handleStanza(const QDomElement &stanza)
+{
+    if (stanza.tagName() != "message")
+        return false;
+
+    // Case 1: incoming receipt
+    // This way we handle the receipt and cancel any further processing.
+    const QDomElement &received = stanza.firstChildElement("received");
+    if (received.namespaceURI() == ns_message_receipts)
+    {
+        QString id = received.attribute("id");
+
+        // check if it's old-style XEP
+        if (id.isEmpty())
+            id = stanza.attribute("id");
+
+        emit messageDelivered(stanza.attribute("from"), id);
+        return true;
+    }
+
+    // Case 2: incoming message requesting receipt
+    // If autoreceipt is enabled, we queue sending back receipt, otherwise
+    // we just ignore the message. In either case, we don't cancel any
+    // further processing.
+    if (m_autoReceipt && stanza.firstChildElement("request").namespaceURI() == ns_message_receipts)
+    {
+        const QString &jid = stanza.attribute("from");
+        const QString &id = stanza.attribute("id");
+
+        // Send out receipt only if jid and id is not empty, otherwise fail
+        // silently.
+        if (!jid.isEmpty() && !id.isEmpty())
+            QMetaObject::invokeMethod(this,
+                    "sendReceipt",
+                    Q_ARG(QString, jid),
+                    Q_ARG(QString, id));
+    }
+
+    return false;
+}
-- 
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