need notify callback when switching from activity to home
|Reported by:||erikb||Owned by:||marco|
|Keywords:||Cc:||olpc-dev@…, Eben, marco, arjs|
|Deployments affected:||Action Needed:|
Related to #2026...
Need to be notified when switching to/from the Home zoom level.
(b/c we need to be able to turn off the camera).
Would be nice to have this callback be the same as notify::active.