* The slideup panel is only displayed when something is
playing. It starts collapsed showing the media poster
and title of what is currently playing.
* Media controls implemented are volume, progress, shuffle,
repeat and play/pause for all items. Next and previous are only
available when a music item is playing.
* In collapsed mode the panel will display the mute button only
if Kodi is muted. The mute button in expanded mode is always
visible.
* Panel is enabled by default. Users can disable the panel
in Settings
* Implemented listening to Player.OnPropertyChanged notifications
to update shuffle and repeat button states.
Synced Synapse
Martijn Brekhof