Implement XEP-0352: Client State Indication

This commit is based on a pull request by fbeutel (GitHub) (see #87) and
was rebased and slightly modified by me.

1 files changed, 23 insertions, 0 deletions

diff --git a/src/client/QXmppClient.cpp b/src/client/QXmppClient.cpp
index bd28288f..e851e5fe 100644
--- a/src/client/QXmppClient.cpp
+++ b/src/client/QXmppClient.cpp
@@ -54,6 +54,9 @@ public:
     int reconnectionTries;
     QTimer *reconnectionTimer;
 
+    // Client state indication
+    bool isActive;
+
     void addProperCapability(QXmppPresence& presence);
     int getNextReconnectTime() const;
 
@@ -68,6 +71,7 @@ QXmppClientPrivate::QXmppClientPrivate(QXmppClient *qq)
     , receivedConflict(false)
     , reconnectionTries(0)
     , reconnectionTimer(0)
+    , isActive(true)
     , q(qq)
 {
 }
@@ -320,6 +324,25 @@ bool QXmppClient::isConnected() const
     return d->stream->isConnected();
 }
 
+/// Returns true if the current client state is "active", false if it is
+/// "inactive". See XEP-0352 for details.
+
+bool QXmppClient::isActive() const
+{
+    return d->isActive;
+}
+
+/// Sets the client state as described in XEP-0352
+
+void QXmppClient::setActive(bool active)
+{
+    if (active != d->isActive && d->stream->isClientStateIndicationEnabled()) {
+        d->isActive = active;
+        QString packet = "<%1 xmlns='%2'/>";
+        d->stream->sendData(packet.arg(active ? "active" : "inactive", ns_csi).toUtf8());
+    }
+}
+
 /// Returns the reference to QXmppRosterManager object of the client.
 /// \return Reference to the roster object of the connected client. Use this to
 /// get the list of friends in the roster and their presence information.