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authorCraig Andrews <candrews@integralblue.com>2009-12-29 17:12:52 -0500
committerCraig Andrews <candrews@integralblue.com>2009-12-29 17:12:52 -0500
commit2cfa90c75203d95c859e8da2c4d9dbd6afe43500 (patch)
tree9fc9ec3b9b95d3bd638049e188b97de48662655d /js/geometa.js
parent552de999bfe660cbf88eb9b1ce19e55b2f6b3d92 (diff)
Revert "Revert "Drop the Google Client API-based AJAX geolocation lookup shim -- it fails to ask for user permission, causing us quite a bit of difficulty.""
This reverts commit 552de999bfe660cbf88eb9b1ce19e55b2f6b3d92. Playing a bit of back-and-forth with this one :-)
Diffstat (limited to 'js/geometa.js')
-rw-r--r--js/geometa.js123
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();
+}
})();