Asynchronously connects the greeter to the display manager.
When the operation is finished, callback will be invoked. You can then call connect_to_daemon.end
to get the result of the operation.
See connect_to_daemon_sync for the synchronous version.
| this |
The greeter to connect |
| cancellable |
A Cancellable or null. |
| callback |
A TaskReadyCallback to call when completed or null. |
| user_data |
data to pass to the |