Installs an available software update.
This should be called in response to a [signal@Portal:XdpPortal:update-available] signal.
During the update installation, the [signal@Portal:XdpPortal:update-progresss] signal will be emitted to provide progress
information.
| this |
a [class@Portal] |
| parent |
a [struct@Parent] |
| flags |
options for this call |
| cancellable |
optional [[email protected]] |
| callback |
a callback to call when the request is done |
| data |
data to pass to |