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August 9, 2012 21:11
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//geo-location-javascript v0.4.8 //http://code.google.com/p/geo-location-javascript/
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| // | |
| //geo-location-javascript v0.4.8 | |
| //http://code.google.com/p/geo-location-javascript/ | |
| // | |
| //Copyright (c) 2009 Stan Wiechers | |
| //Licensed under the MIT licenses. | |
| // | |
| //Revision: $Rev: 77 $: | |
| //Author: $Author: [email protected] $: | |
| //Date: $Date: 2011-01-11 14:57:50 -0500 (Tue, 11 Jan 2011) $: | |
| // | |
| var bb_success; | |
| var bb_error; | |
| var bb_blackberryTimeout_id=-1; | |
| function handleBlackBerryLocationTimeout() | |
| { | |
| if(bb_blackberryTimeout_id!=-1) | |
| { | |
| bb_error({message:"Timeout error", code:3}); | |
| } | |
| } | |
| function handleBlackBerryLocation() | |
| { | |
| clearTimeout(bb_blackberryTimeout_id); | |
| bb_blackberryTimeout_id=-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 geo_position_js=function() { | |
| var pub = {}; | |
| var provider=null; | |
| var u="undefined"; | |
| pub.showMap = function(latitude,longitude) | |
| { | |
| if(typeof(blackberry)!=u) | |
| { | |
| blackberry.launch.newMap({"latitude":latitude*100000,"longitude":-longitude*100000}); | |
| } | |
| else | |
| { | |
| window.location="http://maps.google.com/maps?q=loc:"+latitude+","+longitude; | |
| } | |
| } | |
| pub.getCurrentPosition = function(success,error,opts) | |
| { | |
| provider.getCurrentPosition(success, error,opts); | |
| } | |
| pub.init = function() | |
| { | |
| try | |
| { | |
| if (typeof(geo_position_js_simulator)!=u) | |
| { | |
| provider=geo_position_js_simulator; | |
| } | |
| else if (typeof(bondi)!=u && typeof(bondi.geolocation)!=u) | |
| { | |
| provider=bondi.geolocation; | |
| } | |
| else if (typeof(navigator.geolocation)!=u) | |
| { | |
| provider=navigator.geolocation; | |
| pub.getCurrentPosition = function(success, error, opts) | |
| { | |
| function _success(p) | |
| { | |
| //for mozilla geode,it returns the coordinates slightly differently | |
| if(typeof(p.latitude)!=u) | |
| { | |
| success({timestamp:p.timestamp, coords: {latitude:p.latitude,longitude:p.longitude}}); | |
| } | |
| else | |
| { | |
| success(p); | |
| } | |
| } | |
| 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) | |
| { | |
| //alert(parseFloat(navigator.appVersion)); | |
| //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_blackberryTimeout_id=setTimeout("handleBlackBerryLocationTimeout()",opts['timeout']); | |
| } | |
| else | |
| //default timeout when none is given to prevent a hanging script | |
| { | |
| bb_blackberryTimeout_id=setTimeout("handleBlackBerryLocationTimeout()",60000); | |
| } | |
| blackberry.location.onLocationUpdate("handleBlackBerryLocation()"); | |
| blackberry.location.refreshLocation(); | |
| } | |
| provider=blackberry.location; | |
| } | |
| else if(typeof(window.google)!=u && typeof(google.gears)!=u) | |
| { | |
| provider=google.gears.factory.create('beta.geolocation'); | |
| } | |
| 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); | |
| } | |
| } | |
| } | |
| catch (e){ | |
| if(typeof(console)!=u) | |
| { | |
| console.log(e); | |
| } | |
| return false; | |
| } | |
| return provider!=null; | |
| } | |
| return pub; | |
| }(); |
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