Trace cancellation of pending desktop activity queries

tools/chatgui/src/user_activity_monitor.cpp

@@ -118,7 +118,11 @@ void UserActivityMonitor::poll() {
         connect(watcher, &QDBusPendingCallWatcher::finished, this, [this, watcher, generation, elapsedMs] {
             QDBusPendingReply<qulonglong> reply = *watcher;
             watcher->deleteLater();
-            if (!m_watching || generation != m_generation) return;
+            if (!m_watching || generation != m_generation) {
+                GUI_DEBUG("activity: ignored obsolete GNOME reply generation=%llu current=%llu watching=%d",
+                          (unsigned long long)generation, (unsigned long long)m_generation, int(m_watching));
+                return;
+            }
             m_dbusPending = false;
             if (reply.isError()) {
                 GUI_WARN("activity: GNOME idle monitor unavailable: %s", qPrintable(reply.error().message()));

tools/chatgui/tests/test_message_notification.cpp

@@ -39,6 +39,8 @@ public slots:
     qulonglong GetIdletime() {
         ++requests;
         const qulonglong idle = clock.elapsed() - lastInput;
+        DEBUG_INFO(DEBUG_CATEGORY_DEBUG, "notification test: GNOME request=%d idle=%llu delay_ms=%d dbus=%d",
+                   requests, (unsigned long long)idle, delayMs, int(calledFromDBus()));
         if (delayMs) {
             const QDBusMessage reply = message().createReply(QVariant::fromValue(idle));
             setDelayedReply(true);
@@ -160,7 +162,9 @@ private slots:
         QTest::qWait(20);
         idle.lastInput = idle.clock.elapsed();
         const int before = idle.requests;
+        DEBUG_INFO(DEBUG_CATEGORY_DEBUG, "notification test: waiting for delayed active query after request=%d", before);
         QTRY_VERIFY_WITH_TIMEOUT(idle.requests > before, 1000);
+        DEBUG_INFO(DEBUG_CATEGORY_DEBUG, "notification test: cancelling old watch activity_count=%d", int(spy.size()));
         activity.stop();
         idle.lastInput = idle.clock.elapsed() - 5000;
         activity.start();