bluez-dbus: Invalidate btle service when it has disappeared

When a previous existing service UUID has disapperad we will now
invalidate that service and remove it from the service list

[ChangeLog][QtBluetooth][BlueZ-DBus] Invalidate btle service when it has
disappeared

Fixes: QTBUG-77766
Change-Id: Id03a054c1f781dbcef5614623c2dae9b156d12e2
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>

1 files changed, 17 insertions, 0 deletions

diff --git a/src/bluetooth/qlowenergycontroller_bluezdbus.cpp b/src/bluetooth/qlowenergycontroller_bluezdbus.cpp
index 2a0fafdf..5dde8774 100644
--- a/src/bluetooth/qlowenergycontroller_bluezdbus.cpp
+++ b/src/bluetooth/qlowenergycontroller_bluezdbus.cpp
@@ -112,6 +112,23 @@ void QLowEnergyControllerPrivateBluezDBus::devicePropertiesChanged(
                 }
             }
         }
+
+        if (changedProperties.contains(QStringLiteral("UUIDs"))) {
+            const QStringList newUuidStringList = changedProperties.value(QStringLiteral("UUIDs")).toStringList();
+            QVector<QBluetoothUuid> newUuidList;
+            for (const QString &uuidString : newUuidStringList)
+                newUuidList.append(QBluetoothUuid(uuidString));
+
+            for (const QBluetoothUuid &uuid : serviceList.keys()) {
+                if (!newUuidList.contains(uuid)) {
+                    qCDebug(QT_BT_BLUEZ) << __func__ << "Service" << uuid << "has been removed";
+                    QSharedPointer<QLowEnergyServicePrivate> service = serviceList.take(uuid);
+                    service->setController(nullptr);
+                    dbusServices.remove(uuid);
+                }
+            }
+        }
+
     } else if (interface == QStringLiteral("org.bluez.Battery1")) {
         qCDebug(QT_BT_BLUEZ) << "######" << interface << changedProperties;
         if (changedProperties.contains(QStringLiteral("Percentage"))) {