mapcomplete/Docs/Misc/geolocation_button.gv

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digraph G {
init [shape=box]
denied
init -> denied [label="geolocation permanently denied"]
init -> getting_location [label="previously granted flag set"]
init -> idle [label="previously granted flag unset"]
idle
idle -> request_permission [label="on click"]
request_permission
request_permission -> getting_location [label="granted (sets flag)"]
request_permission -> idle [label="not granted"]
request_permission -> denied [label="permanently denied"]
getting_location
location_found
getting_location -> location_found [label="location found"]
location_found -> open_lock [label="on click (zooms to location)"]
open_lock
open_lock -> location_found [label="after 3 sec"]
closed_lock
open_lock -> closed_lock [label="on click (locks zoom to location)"]
closed_lock -> location_found [label="on click"]
}