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var geo = (function(){
var geo = {}
var polling = false, fetching = false, poll_timeout = null
geo.fetch = function(){
fetching = true
navigator.geolocation.getCurrentPosition(geo.success, geo.error, {timeout: 15000})
}
geo.success = function(position){
var lat_str = as_degrees( position.coords.latitude || 40.99167, "N", "S" )
var lng_str = as_degrees( position.coords.longitude || -74.07944, "W", "E" )
$(".latlng").html( lat_str + " " + lng_str )
geo.done()
}
geo.error = function(error){
$(".latlng").html( "+40° 58' 90.9\" N 74° 04' 46.3\" W" )
geo.done()
}
geo.done = function(){
fetching = false
if (polling) {
clearTimeout( poll_timeout )
poll_timeout = setTimeout(geo.fetch, 15000)
}
}
geo.start_polling = function(){
polling = true
if (! fetching) {
geo.fetch()
}
}
geo.stop_polling = function(){
polling = false
clearTimeout(poll_timeout)
}
function as_degrees (n, pos, neg) {
var s = ""
var sig = n >= 0 ? pos : neg
s += Math.floor(n) + "° "
n = Math.abs(n)
n %= 1
n *= 60
nn = Math.floor(n)
if (nn < 10) nn = "0" + nn
s += nn + "' "
n %= 1
n *= 60
nn = Math.floor(n)
if (nn < 10) nn = "0" + nn
s += nn
n %= 1
n *= 10
nn = Math.floor(n)
s += "." + nn + '\" ' + sig
return s
}
return geo
})()
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