Follow up for #406.
If we find that the topicons / appindicator extension is not installed, show a warning dialog and offer to install the package (by calling packagekit? only if we know the package name?)
Have an option to not show the dialog again (and save to
If the extension is installed but not enabled, offer to enable it:
gnome-shell-extension-tooldid not work for me on Fedora.. could be wrong extension name?
Once all of this has been done, offer to restart gnome shell
killall -HUP gnome-shelllogged me out... via dbus?
See also: AppIndicator3 Indicator props connected: True if we have a reasonable expectation of being displayed through this object. You should hide your TrayIcon? if so.
Too hard to make this work reliably on all platforms (even just RPM platforms), so WONTFIX.
A "better" solution would be #476, see ticket:2161#comment:3
this ticket has been moved to: https://github.com/Xpra-org/xpra/issues/2197