diff options
| -rw-r--r-- | js/geometa.js | 123 |
1 files changed, 5 insertions, 118 deletions
diff --git a/js/geometa.js b/js/geometa.js index 21deb1885..87e3c99a1 100644 --- a/js/geometa.js +++ b/js/geometa.js @@ -1,4 +1,4 @@ -// A shim to implement the W3C Geolocation API Specification using Gears or the Ajax API +// A shim to implement the W3C Geolocation API Specification using Gears if (typeof navigator.geolocation == "undefined" || navigator.geolocation.shim ) (function(){ // -- BEGIN GEARS_INIT @@ -96,122 +96,9 @@ var GearsGeoLocation = (function() { }; }); -var AjaxGeoLocation = (function() { - // -- PRIVATE - var loading = false; - var loadGoogleLoader = function() { - if (!hasGoogleLoader() && !loading) { - loading = true; - var s = document.createElement('script'); - s.src = (document.location.protocol == "https:"?"https://":"http://") + 'www.google.com/jsapi?callback=_google_loader_apiLoaded'; - s.type = "text/javascript"; - document.getElementsByTagName('body')[0].appendChild(s); - } - }; - - var queue = []; - var addLocationQueue = function(callback) { - queue.push(callback); - } - - var runLocationQueue = function() { - if (hasGoogleLoader()) { - while (queue.length > 0) { - var call = queue.pop(); - call(); - } - } - } - - window['_google_loader_apiLoaded'] = function() { - runLocationQueue(); - } - - var hasGoogleLoader = function() { - return (window['google'] && google['loader']); - } - - var checkGoogleLoader = function(callback) { - if (hasGoogleLoader()) return true; - - addLocationQueue(callback); - - loadGoogleLoader(); - - return false; - }; - - loadGoogleLoader(); // start to load as soon as possible just in case - - // -- PUBLIC - return { - shim: true, - - type: "ClientLocation", - - lastPosition: null, - - getCurrentPosition: function(successCallback, errorCallback, options) { - var self = this; - if (!checkGoogleLoader(function() { - self.getCurrentPosition(successCallback, errorCallback, options); - })) return; - - if (google.loader.ClientLocation) { - var cl = google.loader.ClientLocation; - - var position = { - coords: { - latitude: cl.latitude, - longitude: cl.longitude, - altitude: null, - accuracy: 43000, // same as Gears accuracy over wifi? - altitudeAccuracy: null, - heading: null, - speed: null, - }, - // extra info that is outside of the bounds of the core API - address: { - city: cl.address.city, - country: cl.address.country, - country_code: cl.address.country_code, - region: cl.address.region - }, - timestamp: new Date() - }; - - successCallback(position); - - this.lastPosition = position; - } else if (errorCallback === "function") { - errorCallback({ code: 3, message: "Using the Google ClientLocation API and it is not able to calculate a location."}); - } - }, - - watchPosition: function(successCallback, errorCallback, options) { - this.getCurrentPosition(successCallback, errorCallback, options); - - var self = this; - var watchId = setInterval(function() { - self.getCurrentPosition(successCallback, errorCallback, options); - }, 10000); - - return watchId; - }, - - clearWatch: function(watchId) { - clearInterval(watchId); - }, - - getPermission: function(siteName, imageUrl, extraMessage) { - // for now just say yes :) - return true; - } - - }; -}); - -// If you have Gears installed use that, else use Ajax ClientLocation -navigator.geolocation = (window.google && google.gears) ? GearsGeoLocation() : AjaxGeoLocation(); +// If you have Gears installed use that +if (window.google && google.gears) { + navigator.geolocation = GearsGeoLocation(); +} })(); |