// // javascript-mobile-desktop-geolocation // https://github.com/estebanav/javascript-mobile-desktop-geolocation // // Copyright J. Esteban Acosta Villafañe // Licensed under the MIT licenses. // // Based on Stan Wiechers > geo-location-javascript v0.4.8 > http://code.google.com/p/geo-location-javascript/ // // Revision: $Rev: 01 $: // Author: $Author: estebanav $: // Date: $Date: 2012-09-07 23:03:53 -0300 (Fri, 07 Sep 2012) $: var bb = { success: 0, error: 0, blackberryTimeoutId : -1 }; function handleBlackBerryLocationTimeout() { if(bb.blackberryTimeoutId!=-1) { bb.error({ message: "Timeout error", code: 3 }); } } function handleBlackBerryLocation() { clearTimeout(bb.blackberryTimeoutId); bb.blackberryTimeoutId=-1; if (bb.success && bb.error) { if(blackberry.location.latitude==0 && blackberry.location.longitude==0) { //http://dev.w3.org/geo/api/spec-source.html#position_unavailable_error //POSITION_UNAVAILABLE (numeric value 2) bb.error({message:"Position unavailable", code:2}); } else { var timestamp=null; //only available with 4.6 and later //http://na.blackberry.com/eng/deliverables/8861/blackberry_location_568404_11.jsp if (blackberry.location.timestamp) { timestamp = new Date( blackberry.location.timestamp ); } bb.success( { timestamp: timestamp , coords: { latitude: blackberry.location.latitude, longitude: blackberry.location.longitude } }); } //since blackberry.location.removeLocationUpdate(); //is not working as described http://na.blackberry.com/eng/deliverables/8861/blackberry_location_removeLocationUpdate_568409_11.jsp //the callback are set to null to indicate that the job is done bb.success = null; bb.error = null; } } var geoPosition=function() { var pub = {}; var provider=null; var u="undefined"; var ipGeolocationSrv = 'http://freegeoip.net/json/?callback=JSONPCallback'; pub.getCurrentPosition = function(success,error,opts) { provider.getCurrentPosition(success, error,opts); } pub.jsonp = { callbackCounter: 0, fetch: function(url, callback) { var fn = 'JSONPCallback_' + this.callbackCounter++; window[fn] = this.evalJSONP(callback); url = url.replace('=JSONPCallback', '=' + fn); var scriptTag = document.createElement('SCRIPT'); scriptTag.src = url; document.getElementsByTagName('HEAD')[0].appendChild(scriptTag); }, evalJSONP: function(callback) { return function(data) { callback(data); } } }; pub.confirmation = function() { return confirm('This Webpage wants to track your physical location.\nDo you allow it?'); }; pub.init = function() { try { var hasGeolocation = typeof(navigator.geolocation)!=u; if( !hasGeolocation ){ if( !pub.confirmation() ){ return false; } } if ( ( typeof(geoPositionSimulator)!=u ) && (geoPositionSimulator.length > 0 ) ){ provider=geoPositionSimulator; } else if (typeof(bondi)!=u && typeof(bondi.geolocation)!=u ) { provider=bondi.geolocation; } else if ( hasGeolocation ) { provider=navigator.geolocation; pub.getCurrentPosition = function(success, error, opts) { function _success(p) { //for mozilla geode,it returns the coordinates slightly differently var params; if(typeof(p.latitude)!=u) { params = { timestamp: p.timestamp, coords: { latitude: p.latitude, longitude: p.longitude } }; } else { params = p; } success( params ); } provider.getCurrentPosition(_success,error,opts); } } else if(typeof(window.blackberry)!=u && blackberry.location.GPSSupported) { // set to autonomous mode if(typeof(blackberry.location.setAidMode)==u) { return false; } blackberry.location.setAidMode(2); //override default method implementation pub.getCurrentPosition = function(success,error,opts) { //passing over callbacks as parameter didn't work consistently //in the onLocationUpdate method, thats why they have to be set outside bb.success = success; bb.error = error; //function needs to be a string according to //http://www.tonybunce.com/2008/05/08/Blackberry-Browser-Amp-GPS.aspx if(opts['timeout']) { bb.blackberryTimeoutId = setTimeout("handleBlackBerryLocationTimeout()",opts['timeout']); } else { //default timeout when none is given to prevent a hanging script bb.blackberryTimeoutId = setTimeout("handleBlackBerryLocationTimeout()",60000); } blackberry.location.onLocationUpdate("handleBlackBerryLocation()"); blackberry.location.refreshLocation(); } provider = blackberry.location; } else if ( typeof(Mojo) !=u && typeof(Mojo.Service.Request)!="Mojo.Service.Request") { provider = true; pub.getCurrentPosition = function(success, error, opts) { parameters = {}; if( opts ) { //http://developer.palm.com/index.php?option=com_content&view=article&id=1673#GPS-getCurrentPosition if (opts.enableHighAccuracy && opts.enableHighAccuracy == true ){ parameters.accuracy = 1; } if ( opts.maximumAge ) { parameters.maximumAge = opts.maximumAge; } if (opts.responseTime) { if( opts.responseTime < 5 ) { parameters.responseTime = 1; } else if ( opts.responseTime < 20 ) { parameters.responseTime = 2; } else { parameters.timeout = 3; } } } r = new Mojo.Service.Request( 'palm://com.palm.location' , { method:"getCurrentPosition", parameters:parameters, onSuccess: function( p ){ success( { timestamp: p.timestamp, coords: { latitude: p.latitude, longitude: p.longitude, heading: p.heading } }); }, onFailure: function( e ){ if (e.errorCode==1) { error({ code: 3, message: "Timeout" }); } else if (e.errorCode==2){ error({ code: 2, message: "Position unavailable" }); } else { error({ code: 0, message: "Unknown Error: webOS-code" + errorCode }); } } }); } } else if (typeof(device)!=u && typeof(device.getServiceObject)!=u) { provider=device.getServiceObject("Service.Location", "ILocation"); //override default method implementation pub.getCurrentPosition = function(success, error, opts){ function callback(transId, eventCode, result) { if (eventCode == 4) { error({message:"Position unavailable", code:2}); } else { //no timestamp of location given? success( { timestamp:null, coords: { latitude: result.ReturnValue.Latitude, longitude: result.ReturnValue.Longitude, altitude: result.ReturnValue.Altitude, heading: result.ReturnValue.Heading } }); } } //location criteria var criteria = new Object(); criteria.LocationInformationClass = "BasicLocationInformation"; //make the call provider.ILocation.GetLocation(criteria,callback); } } else { pub.getCurrentPosition = function(success, error, opts) { pub.jsonp.fetch(ipGeolocationSrv, function( p ){ success( { timestamp: p.timestamp, coords: { latitude: p.latitude, longitude: p.longitude, heading: p.heading } });}); } provider = true; } } catch (e){ if( typeof(console) != u ) console.log(e); return false; } return provider!=null; } return pub; }();