104 lines
3.3 KiB
JavaScript
104 lines
3.3 KiB
JavaScript
(function(){
|
|
var protocol = 'ws';
|
|
if (window.location.toString().startsWith('https://')) {
|
|
protocol = 'wss';
|
|
}
|
|
|
|
var query = window.location.search.replace(/^\?/, '').split('&').map(function(v){
|
|
var s = v.split('=');
|
|
r = {}
|
|
r[s[0]] = s.slice(1).join('=')
|
|
return r;
|
|
}).reduce(function(a, b){
|
|
return a.assign(b);
|
|
});
|
|
|
|
var expectedCallsign;
|
|
if (query.callsign) expectedCallsign = query.callsign;
|
|
|
|
var ws_url = protocol + "://" + (window.location.origin.split("://")[1]) + "/ws/";
|
|
if (!("WebSocket" in window)) return;
|
|
|
|
var ws = new WebSocket(ws_url);
|
|
ws.onopen = function(){
|
|
ws.send("SERVER DE CLIENT client=map.js type=map");
|
|
};
|
|
|
|
var map;
|
|
var markers = {};
|
|
var updateQueue = [];
|
|
|
|
var processUpdates = function(updates) {
|
|
if (!map) {
|
|
updateQueue = updateQueue.concat(updates);
|
|
return;
|
|
}
|
|
updates.forEach(function(update){
|
|
// TODO maidenhead locator implementation
|
|
if (update.location.type != 'latlon') return;
|
|
var pos = new google.maps.LatLng(update.location.lat, update.location.lon)
|
|
if (markers[update.callsign]) {
|
|
markers[update.callsign].setPosition(pos);
|
|
} else {
|
|
markers[update.callsign] = new google.maps.Marker({
|
|
position: pos,
|
|
map: map,
|
|
title: update.callsign
|
|
});
|
|
}
|
|
|
|
// TODO the trim should happen on the server side
|
|
if (expectedCallsign && expectedCallsign == update.callsign.trim()) {
|
|
map.panTo(pos);
|
|
delete(expectedCallsign);
|
|
}
|
|
});
|
|
}
|
|
|
|
ws.onmessage = function(e){
|
|
if (typeof e.data != 'string') {
|
|
console.error("unsupported binary data on websocket; ignoring");
|
|
return
|
|
}
|
|
if (e.data.substr(0, 16) == "CLIENT DE SERVER") {
|
|
console.log("Server acknowledged WebSocket connection.");
|
|
return
|
|
}
|
|
try {
|
|
json = JSON.parse(e.data);
|
|
switch (json.type) {
|
|
case "config":
|
|
var config = json.value;
|
|
$.getScript("https://maps.googleapis.com/maps/api/js?key=" + config.google_maps_api_key).done(function(){
|
|
map = new google.maps.Map($('body')[0], {
|
|
center: {
|
|
lat: config.receiver_gps[0],
|
|
lng: config.receiver_gps[1]
|
|
},
|
|
zoom: 8
|
|
});
|
|
processUpdates(updateQueue);
|
|
})
|
|
break
|
|
case "update":
|
|
processUpdates(json.value);
|
|
break
|
|
}
|
|
} catch (e) {
|
|
// don't lose exception
|
|
console.error(e);
|
|
}
|
|
};
|
|
ws.onclose = function(){
|
|
console.info("onclose");
|
|
};
|
|
|
|
window.onbeforeunload = function() { //http://stackoverflow.com/questions/4812686/closing-websocket-correctly-html5-javascript
|
|
ws.onclose = function () {};
|
|
ws.close();
|
|
};
|
|
ws.onerror = function(){
|
|
console.info("onerror");
|
|
};
|
|
|
|
})(); |