We may create a new wallpaper widget when there's session state change in order to dynamically set wallpaper dimming and blur, but in theory we should be able to 'just' do the dimming and blur particularly and avoid things such as animation.
 

We create a new WallpaperWidgetController under certain session states, in order to dynamically set wallpaper dimming and blur based on session state, but in theory we should be able to 'just' do the dimming and blur particularly and avoid things such as animation.