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vicinity.js
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vicinity.js
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//
// 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;
}();
var Vicinity = function(pubReference, sessionId, done, err) {
// defaults
this.sessionId = sessionId;
this.pubReference = pubReference;
this.lat = 0;
this.lng = 0;
this.screenSize = "";
this.orientation = ""
this.finishedGettingAd = false;
this.ad = {
landingUrl: null,
imgSrc: null,
width: null,
height: null,
getBannerHtml: function() {
return '<a id="ad-link" href=' + this.landingUrl + ' ><span id="banner-ad"><img src=' + this.imgSrc + ' class="advert-img" /></a>'
}
};
this.getLatLng = function(vicinity, done, err) {
if (geoPosition.init()) { // Geolocation Initialisation
geoPosition.getCurrentPosition(done, function(e) {
console.warn('ERROR: ' + e.message);
err(vicinity);
}, { enableHighAccuracy:true } );
} else {
console.warn("Browser doesn't support Geolocation");
err(vicinity);
}
};
this.formToXml = function (pubReference, sessionId, lat, lon, screenSize) {
return "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>"
+ "<AdRequest><sessionId>"+sessionId+"</sessionId>"
+ "<type>html</type><pubReference>"+pubReference+"</pubReference>"
+ "<ScreenSize>"+screenSize+"</ScreenSize>"
+ "<longitude>"+lon+"</longitude><latitude>"+lat+"</latitude>"
+ "</AdRequest>";
};
this.getAd = function (vicinity, done, err) {
if(!vicinity.finishedGettingAd) {
$.ajax({
type: 'POST',
contentType: 'application/xml',
url: "http://ad.vic-m.co:8080/AdService/Api/xml-api/getAd",
dataType: "xml",
data: vicinity.formToXml(vicinity.pubReference, vicinity.sessionId, vicinity.lat, vicinity.lng, vicinity.screenSize),
success: function (data) {
$(data).find('rAdContent').each(function () {
vicinity.ad.landingUrl = $(this).find('landingurl').text();
vicinity.ad.imgSrc = $(this).find('imgSrc').text();
vicinity.ad.width = $(this).find('width').text();
vicinity.ad.height = $(this).find('height').text();
});
done(vicinity);
},
error: function (xhr) {
console.log("Ad not found! Please contact Ad Manager");
err(vicinity);
}
});
} else {
vicinity.finishedGettingAd = true;
}
};
this.init = function(done, err) {
var that = this;
this.getLatLng(that, function(position) {
that.lat = position.coords.latitude;
that.lng = position.coords.longitude;
that.getAd(that, done, err)
}, function() {
that.lat = 0;
that.lng = 0;
that.getAd(that, done, err)
});
};
this.init(done, err);
};