Forgot: assuming KDE has an implementation of the secrets DBUS API, Ubuntu One will use it. Assuming notifications are compatible with unity (are they?) you should also get notifications.
If the notifications are not compatible, adding support for KDE notifications is very simple, and I will be happy to help implementing them.
Forgot: assuming KDE has an implementation of the secrets DBUS API, Ubuntu One will use it. Assuming notifications are compatible with unity (are they?) you should also get notifications.
If the notifications are not compatible, adding support for KDE notifications is very simple, and I will be happy to help implementing them.