--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.symbian.tools.wrttools.previewer/preview/script/lib/sapi/Location.js	Wed Jan 20 16:51:26 2010 -0800
@@ -0,0 +1,523 @@
+/**
+ * Location.js
+ * 
+ * Nokia Web Runtime Service API emulation 
+ * WRT v1.1
+ * 
+ * Copyright 2009 Nokia Corporation. All rights reserved.
+*/
+
+ 
+(function(){
+	
+	var provider = 'Service.Location',
+		Interface = 'ILocation';
+
+	/**
+	 * Landmark service
+	 */
+	var LocationService = function(){
+		this.GetLocation 			= __GetLocation;
+		this.Trace 					= __Trace;
+		this.Calculate				= __Calculate;
+		this.CancelNotification		= __CancelNotification;		
+	}
+
+	device.implementation.extend(provider, Interface, new LocationService() );
+
+
+	/******************************************************/	
+	/******************************************************/	
+	/******************************************************/	
+
+	var	context = device.implementation.context,
+		_t = context._t,
+		method = '',
+		result = false,
+		DBase = null;
+
+
+	var transactionIds = new Array();
+	var tTransactionId = -1;
+	var isTraceInProgress = false;
+	var criteriaTrace;
+	var callbackTrace;
+
+	/**
+	 * Landmarks: GetLocation
+	 * @param {Object} criteria
+	 */
+	function __GetLocation(criteria, callback, flag){	
+		method = "GetLocation";
+		//	Async call
+		flag = flag || false;
+
+		if (!criteria) {
+			criteria = new Object();
+		}	
+		
+		if(typeof criteria.LocationInformationClass == "undefined")
+			criteria.LocationInformationClass = "BasicLocationInformation"; // Default value of LocationInformationClass is "BasicLocationInformation" if not provided
+
+		var result = validateArgument('GetLocation',criteria);
+		if(result.ErrorCode != 0)
+			return result;
+		
+		if (typeof callback == 'function') {
+			
+			var retVal = context.callAsync(this, arguments.callee, criteria, callback,true);
+			transactionIds.push(retVal.TransactionID);  // all transaction ids are pushed on this variable, because CancelNotification function of SAPI doesn't take TransactioID as input
+			return retVal;
+		}
+		
+		if(flag)
+		{
+			transactionIds.shift();  // Remove oldest TransactionID(FIFO) (Async call)
+		}
+		
+		DBase = context.getData(provider);
+		var returnValue = DBase[criteria.LocationInformationClass];
+		locationNotify(criteria.Updateoptions);
+		return context.Result(returnValue);
+	}
+	
+	/**
+	 * Location: Trace
+	 * @param {Object} criteria
+	 * @param {Function} callback function for async call
+	 */
+	function __Trace(criteria, callback){
+		method = "Trace";
+
+		if (!criteria) {
+			criteria = new Object();
+		}	
+		
+		if(typeof criteria.LocationInformationClass == "undefined")
+			criteria.LocationInformationClass = "BasicLocationInformation"; // Default value of LocationInformationClass is "BasicLocationInformation" if not provided
+
+		if (typeof callback != 'function') { // callback should be valid function
+			return error(device.implementation.ERR_SERVICE_NOT_SUPPORTED,msg.msgCommandNotFound); 
+		}
+		
+		var result = validateArgument('Trace',criteria);
+		if(result.ErrorCode != 0)
+			return result;
+		
+		criteriaTrace = criteria;
+		callbackTrace = callback;
+		isTraceInProgress = true;
+		locationNotify(criteria.Updateoptions);
+
+		return traceCall(criteria,callback);
+	}
+
+	/**
+	 * Location: Calculate
+	 * @param {Object} criteria
+	 */
+	function __Calculate(criteria){
+		method = "Calculate";
+		if(!criteria || !criteria.MathRequest)
+			return error(device.implementation.ERR_BAD_ARGUMENT_TYPE,msg.msgCalcMissingMathReq);
+			
+		if(typeof criteria.MathRequest != "string" || (criteria.MathRequest != "FindDistance" && criteria.MathRequest != "FindBearingTo" && criteria.MathRequest != "MoveCoordinates")) // Error check for wrong MathRequest criteria
+			return error(device.implementation.ERR_BAD_ARGUMENT_TYPE,msg.msgCalcWrongTypeMathReq);
+			
+		if(typeof criteria.DistanceParamSource != "object" || (typeof criteria.DistanceParamSource.Latitude != "number" || typeof criteria.DistanceParamSource.Longitude != "number" || typeof criteria.DistanceParamSource.Altitude != "number"))
+			return error(device.implementation.ERR_BAD_ARGUMENT_TYPE,msg.msgCalcMissingArgLocCord);
+
+		if(criteria.MathRequest == "FindDistance" || criteria.MathRequest == "FindBearingTo")
+		{
+			if(typeof criteria.DistanceParamSource != "object" || (typeof criteria.DistanceParamDestination.Latitude != "number" || typeof criteria.DistanceParamDestination.Longitude != "number" || typeof criteria.DistanceParamDestination.Altitude != "number"))
+				return error(device.implementation.ERR_BAD_ARGUMENT_TYPE,msg.msgCalcMissingArgLocCord);
+			if (criteria.MathRequest == "FindDistance") {
+				var dist = LatLon.distHaversine(criteria.DistanceParamDestination.Latitude, criteria.DistanceParamDestination.Longitude, criteria.DistanceParamSource.Latitude, criteria.DistanceParamSource.Longitude)*1000;
+				if (typeof criteria.DistanceParamDestination.Altitude == "number" && typeof criteria.DistanceParamSource.Altitude == "number") {
+					var delta = criteria.DistanceParamDestination.Altitude - criteria.DistanceParamSource.Altitude
+					dist = Math.sqrt(dist * dist + delta * delta);
+				}
+				return context.Result(dist);
+			}
+			else if (criteria.MathRequest == "FindBearingTo"){
+				var bearing = LatLon.bearing( criteria.DistanceParamSource.Latitude, criteria.DistanceParamSource.Longitude,criteria.DistanceParamDestination.Latitude, criteria.DistanceParamDestination.Longitude);
+				return context.Result(bearing);				
+			}
+		}
+		else if(criteria.MathRequest == "MoveCoordinates"){
+
+			if(typeof criteria.MoveByThisDistance == "undefined")
+				return error(device.implementation.ERR_BAD_ARGUMENT_TYPE,msg.msgCalcMissingArgMoveDist);
+			
+			if(typeof criteria.MoveByThisBearing == "undefined")
+				return error(device.implementation.ERR_BAD_ARGUMENT_TYPE,msg.msgCalcMissingArgMoveBear);
+			
+
+			if(typeof criteria.MoveByThisDistance != "number")
+				return error(device.implementation.ERR_BAD_ARGUMENT_TYPE,msg.msgCalcWrongTypeMoveDist);
+			
+			if(typeof criteria.MoveByThisBearing != "number")
+				return error(device.implementation.ERR_BAD_ARGUMENT_TYPE,msg.msgCalcWrongTypeMoveBear);
+			
+			var latLon = new LatLon(criteria.DistanceParamSource.Latitude, criteria.DistanceParamSource.Longitude);
+			var dlatLon = latLon.destPoint(criteria.MoveByThisBearing, criteria.MoveByThisDistance/1000);
+			var retVal = new Object();
+			retVal.Longitude = dlatLon.lon;
+			retVal.Latitude = dlatLon.lat;
+			retVal.Altitude = criteria.DistanceParamSource.Altitude;
+			return context.Result(retVal);
+		}
+	}
+			
+	/**
+	 * Location: CancelNotification
+	 * @param {Object} criteria
+	 */
+	function __CancelNotification(criteria){
+		method = "Cancel";
+		if(!criteria)
+				return error(device.implementation.ERR_MISSING_ARGUMENT,msg.msgCancelMissingType);
+		
+		var arr = new Array();
+		var i = 0;
+		var key
+		for(key in criteria);
+			arr[i++] = key;
+
+		if(!criteria.CancelRequestType && arr.length)
+				return error(device.implementation.ERR_NOT_FOUND,msg.msgCancelMissingType);
+		
+		if(criteria.CancelRequestType != "GetLocCancel" && criteria.CancelRequestType != "TraceCancel")
+				return error(device.implementation.ERR_BAD_ARGUMENT_TYPE,msg.msgCancelWrongType);
+		
+		if (criteria.CancelRequestType == "GetLocCancel") {
+			for (var i = 0; i < transactionIds.length; i++) {
+				clearTimeout(transactionIds[i])
+			}
+		}
+		
+		if (criteria.CancelRequestType == "TraceCancel")
+		{
+			isTraceInProgress = false;
+			tTransactionId = -1;
+		}
+		return context.ErrorResult(device.implementation.ERR_SUCCESS);
+	}
+		
+
+
+	
+	/*******************************
+	 * helper functions
+	 *******************************/
+
+	/**
+	 * Location: traceCall
+	 * @param {} 
+	 * This function emulates repetitive trace calls,It calls specified callback function after every UpdateInterval untill 
+	 * CancelNotification is called
+	 */
+	function traceCall(){
+		var tid = setTimeout(function(){
+		if(!isTraceInProgress)
+			return;
+			
+		DBase = context.getData(provider);
+		var returnValue = DBase[criteriaTrace.LocationInformationClass];
+		var result,
+			eventCode = {completed:2, error:4, progress:9},
+		code = eventCode.completed;
+
+		callbackTrace(tTransactionId,code,context.Result(returnValue,0));
+		traceCall();
+		}, criteriaTrace.Updateoptions.UpdateInterval/1000);
+		if(tTransactionId == -1)
+			tTransactionId = tid;
+		return context.AsyncResult(tTransactionId);
+	}
+
+	/**
+	 * Location: validateArgument
+	 * @param {string,object} callingMethod and criteria
+	 * Validates arguments
+	 */
+	function validateArgument(fun,criteria)
+	{
+		method = fun;
+		if(typeof criteria.Updateoptions != "undefined")
+		{
+			if(typeof criteria.Updateoptions != "object") // Checking for error in UpdateOptions criteria
+				return error(device.implementation.ERR_BAD_ARGUMENT_TYPE,msg.msgGetLocationBadArg);
+			
+			if(typeof criteria.Updateoptions.UpdateInterval != "undefined" && typeof criteria.Updateoptions.UpdateInterval != "number")
+				return error(device.implementation.ERR_BAD_ARGUMENT_TYPE,msg.msgGetLocationWrongType);
+			
+			if(typeof criteria.Updateoptions.UpdateTimeOut != "undefined" && typeof criteria.Updateoptions.UpdateTimeOut != "number")	
+				return error(device.implementation.ERR_BAD_ARGUMENT_TYPE,msg.msgGetLocationWrongType);
+
+			if(typeof criteria.Updateoptions.UpdateMaxAge != "undefined" && typeof criteria.Updateoptions.UpdateMaxAge != "number")	
+				return error(device.implementation.ERR_BAD_ARGUMENT_TYPE,msg.msgGetLocationWrongType);
+
+			if(typeof criteria.Updateoptions.PartialUpdates != "undefined" && typeof criteria.Updateoptions.PartialUpdates != "boolean")	
+				return error(device.implementation.ERR_BAD_ARGUMENT_TYPE,msg.msgGetLocationWrongType);
+
+			if((typeof criteria.Updateoptions.UpdateInterval != "undefined" && criteria.Updateoptions.UpdateInterval  < 0) || 
+					(typeof criteria.Updateoptions.UpdateTimeOut != "undefined" && criteria.Updateoptions.UpdateTimeOut  < 0) ||
+					(typeof criteria.Updateoptions.UpdateMaxAge != "undefined" && criteria.Updateoptions.UpdateMaxAge  < 0))
+				return error(device.implementation.ERR_BAD_ARGUMENT_TYPE,msg.msgGetLocationNegInt);
+
+			if(typeof criteria.Updateoptions.UpdateTimeOut != "undefined" && typeof criteria.Updateoptions.UpdateInterval != "undefined" && criteria.Updateoptions.UpdateInterval > criteria.Updateoptions.UpdateTimeOut)
+			{
+				return error(device.implementation.ERR_BAD_ARGUMENT_TYPE,msg.msgNone);
+			}
+
+			/*if((typeof criteria.Updateoptions.UpdateTimeOut != "undefined" && criteria.Updateoptions.UpdateTimeOut <= 1000000))// || (typeof criteria.Updateoptions.UpdateInterval != "undefined" && criteria.Updateoptions.UpdateInterval <= 1000000))
+			{
+				return error(device.implementation.ERR_BAD_ARGUMENT_TYPE,msg.msgNone);
+			}*/				
+		}
+
+		if(typeof criteria.LocationInformationClass != "undefined" && criteria.LocationInformationClass != "BasicLocationInformation" && criteria.LocationInformationClass != "GenericLocationInfo") // checking for errors in LocationInformationClass criteria
+			return error(device.implementation.ERR_BAD_ARGUMENT_TYPE,msg.msgGetLocationWrongCat);
+		
+		if (/^Trace$/i.test(fun)&&(!criteria.Updateoptions || typeof criteria.Updateoptions.UpdateInterval == "undefined")) {
+			if(!criteria.Updateoptions)
+			{
+				criteria.Updateoptions = new Object();
+			}
+			criteria.Updateoptions.UpdateInterval = 1000000;  // Emulation only!! for convenience UpdateInterval is set to 1 second is not specified or if it less than 1 second
+			context.notify("Using default UpdateInterval(1000000 micro seconds)"); 
+		}
+		
+		return context.ErrorResult(device.implementation.ERR_SUCCESS, "");
+		
+	}
+
+	/**
+	 * Location: error
+	 * @param {number,string} ErrorCode and ErrorString
+	 * Replaces Error String with method name
+	 */
+	function error(code, msg /*, args...*/){
+
+		var args = ['location',method].concat([].slice.call(arguments,2));
+		msg = msg ? _t().arg.apply(msg,args) : undefined;
+		return context.ErrorResult(code, msg);
+	}
+	
+	function locationNotify(updateoptions) {
+		if(!updateoptions)
+			return;
+		if(typeof updateoptions.UpdateTimeOut != "undefined")
+			context.notify(_t("%s:: %s : Updateoptions.UpdateTimeOut not implemented in preview").arg(provider, method));
+
+		if(typeof updateoptions.UpdateMaxAge != "undefined")
+			context.notify(_t("%s:: %s : Updateoptions.UpdateMaxAge not implemented in preview").arg(provider, method));
+
+		if(typeof updateoptions.PartialUpdates != "undefined")
+			context.notify(_t("%s:: %s : Updateoptions.PartialUpdates not implemented in preview").arg(provider, method));
+	}
+
+	/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  */
+	/*  Latitude/longitude spherical geodesy formulae & scripts (c) Chris Veness 2002-2009            */
+	/*	http://www.movable-type.co.uk/scripts/latlong.html											  */  
+	/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  */
+	
+	/*
+	 * Use Haversine formula to Calculate distance (in km) between two points specified by 
+	 * latitude/longitude (in numeric degrees)
+	 *
+	 * example usage from form:
+	 *   result.value = LatLon.distHaversine(lat1.value.parseDeg(), long1.value.parseDeg(), 
+	 *                                       lat2.value.parseDeg(), long2.value.parseDeg());
+	 * where lat1, long1, lat2, long2, and result are form fields
+	 */
+	
+	
+	LatLon.distHaversine = function(lat1, lon1, lat2, lon2) {
+	  var R = 6371; // earth's mean radius in km
+	  var dLat = toRad(lat2-lat1);
+	  var dLon = toRad(lon2-lon1);
+	  lat1 = toRad(lat1), lat2 = toRad(lat2);
+	
+	  var a = Math.sin(dLat/2) * Math.sin(dLat/2) +
+	          Math.cos(lat1) * Math.cos(lat2) * 
+	          Math.sin(dLon/2) * Math.sin(dLon/2);
+	  var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
+	  var d = R * c;
+	  return d;
+	}
+	
+	
+	/*
+	 * ditto using Law of Cosines
+	 */
+	LatLon.distCosineLaw = function(lat1, lon1, lat2, lon2) {
+	  var R = 6371; // earth's mean radius in km
+	  var d = Math.acos(Math.sin(toRad(lat1))*Math.sin(toRad(lat2)) +
+	                    Math.cos(toRad(lat1))*Math.cos(toRad(lat2))*Math.cos(toRad(lon2-lon1))) * R;
+	  return d;
+	}
+	
+	
+	/*
+	 * calculate (initial) bearing between two points
+	 *   see http://williams.best.vwh.net/avform.htm#Crs
+	 */
+	LatLon.bearing = function(lat1, lon1, lat2, lon2) {
+	  lat1 = toRad(lat1); lat2 = toRad(lat2);
+	  var dLon = toRad(lon2-lon1);
+
+	  var y = Math.sin(dLon) * Math.cos(lat2);
+	  var x = Math.cos(lat1)*Math.sin(lat2) -
+	          Math.sin(lat1)*Math.cos(lat2)*Math.cos(dLon);
+	  return toBrng(Math.atan2(y, x));
+	}
+	
+	
+	/*
+	 * calculate destination point given start point, initial bearing (deg) and distance (km)
+	 *   see http://williams.best.vwh.net/avform.htm#LL
+	 */
+	LatLon.prototype.destPoint = function(brng, d) {
+	  var R = 6371; // earth's mean radius in km
+	  var lat1 = toRad(this.lat), lon1 = toRad(this.lon);
+	  brng = toRad(brng);
+	
+	  var lat2 = Math.asin( Math.sin(lat1)*Math.cos(d/R) + 
+	                        Math.cos(lat1)*Math.sin(d/R)*Math.cos(brng) );
+	  var lon2 = lon1 + Math.atan2(Math.sin(brng)*Math.sin(d/R)*Math.cos(lat1), 
+	                               Math.cos(d/R)-Math.sin(lat1)*Math.sin(lat2));
+	  lon2 = (lon2+Math.PI)%(2*Math.PI) - Math.PI;  // normalise to -180...+180
+	
+	  if (isNaN(lat2) || isNaN(lon2)) return null;
+	  return new LatLon(toDeg(lat2), toDeg(lon2));
+	}
+	
+	
+	/*
+	 * construct a LatLon object: arguments in numeric degrees
+	 *
+	 * note all LatLong methods expect & return numeric degrees (for lat/long & for bearings)
+	 */
+	function LatLon(lat, lon) {
+	  this.lat = lat;
+	  this.lon = lon;
+	}
+	
+	
+	/*
+	 * represent point {lat, lon} in standard representation
+	 */
+	LatLon.prototype.toString = function() {
+	  return this.lat.toLat() + ', ' + this.lon.toLon();
+	}
+	
+	/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  */
+	
+	// extend String object with method for parsing degrees or lat/long values to numeric degrees
+	//
+	// this is very flexible on formats, allowing signed decimal degrees, or deg-min-sec suffixed by 
+	// compass direction (NSEW). A variety of separators are accepted (eg 3º 37' 09"W) or fixed-width 
+	// format without separators (eg 0033709W). Seconds and minutes may be omitted. (Minimal validation 
+	// is done).
+	
+	function parseDeg (str) {
+	  if (!isNaN(str)) return Number(str);                 // signed decimal degrees without NSEW
+	
+	  var degLL = str.replace(/^-/,'').replace(/[NSEW]/i,'');  // strip off any sign or compass dir'n
+	  var dms = degLL.split(/[^0-9.]+/);                     // split out separate d/m/s
+	  for (var i in dms) if (dms[i]=='') dms.splice(i,1);    // remove empty elements (see note below)
+	  switch (dms.length) {                                  // convert to decimal degrees...
+	    case 3:                                              // interpret 3-part result as d/m/s
+	      var deg = dms[0]/1 + dms[1]/60 + dms[2]/3600; break;
+	    case 2:                                              // interpret 2-part result as d/m
+	      var deg = dms[0]/1 + dms[1]/60; break;
+	    case 1:                                              // decimal or non-separated dddmmss
+	      if (/[NS]/i.test(str)) degLL = '0' + degLL;       // - normalise N/S to 3-digit degrees
+	      var deg = dms[0].slice(0,3)/1 + dms[0].slice(3,5)/60 + dms[0].slice(5)/3600; break;
+	    default: return NaN;
+	  }
+	  if (/^-/.test(str) || /[WS]/i.test(str)) deg = -deg; // take '-', west and south as -ve
+	  return deg;
+	}
+	// note: whitespace at start/end will split() into empty elements (except in IE)
+	
+	
+	/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  */
+	
+	// extend Number object with methods for converting degrees/radians
+	
+	function toRad (deg) {  // convert degrees to radians
+	  return deg * Math.PI / 180;
+	}
+	
+	function toDeg (rad) {  // convert radians to degrees (signed)
+	  return rad * 180 / Math.PI;
+	}
+	
+	function toBrng (rad) {  // convert radians to degrees (as bearing: 0...360)
+	  return (toDeg(rad)+360) % 360;
+	}
+	
+	
+	/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  */
+	
+	// extend Number object with methods for presenting bearings & lat/longs
+	
+	function toDMS (num) {  // convert numeric degrees to deg/min/sec
+	  var d = Math.abs(num);  // (unsigned result ready for appending compass dir'n)
+	  d += 1/7200;  // add ½ second for rounding
+	  var deg = Math.floor(d);
+	  var min = Math.floor((d-deg)*60);
+	  var sec = Math.floor((d-deg-min/60)*3600);
+	  // add leading zeros if required
+	  if (deg<100) deg = '0' + deg; if (deg<10) deg = '0' + deg;
+	  if (min<10) min = '0' + min;
+	  if (sec<10) sec = '0' + sec;
+	  return deg + '\u00B0' + min + '\u2032' + sec + '\u2033';
+	}
+	
+	function toLat (deg) {  // convert numeric degrees to deg/min/sec latitude
+	  return toDMS(deg).slice(1) + (deg<0 ? 'S' : 'N');  // knock off initial '0' for lat!
+	}
+	
+	function toLon (deg) {  // convert numeric degrees to deg/min/sec longitude
+	  return toDMS(deg) + (deg>0 ? 'E' : 'W');
+	}
+	
+	function toPrecision (num,fig) {  // override toPrecision method with one which displays 
+	  if (num == 0) return 0;                      // trailing zeros in place of exponential notation
+	  var scale = Math.ceil(Math.log(num)*Math.LOG10E);
+	  var mult = Math.pow(10, fig-scale);
+	  return Math.round(num*mult)/mult;
+	}
+
+
+	/** 
+	 * error messages
+	 * order of %s args: Service name, method name, parameter name 
+	 */
+	var msg = {
+		msgCommandNotFound			: '%s : Command Not found',
+		msgGetLocationWrongCat		: '%s : %s : wrong category info should be BasicLocationInformation/GenericLocationInfo ',
+		msgGetLocationBadArg		: '%s : %s : BadArgument - Updateoptions',
+		msgGetLocationNegInt		: '%s : %s : Negative Time Interval',
+		msgGetLocationWrongType 	: '%s : %s : UpdateOptions Type mismatch',
+		msgTraceWrongCat			: '%s : %s : Invalid LocationInformationClass',
+		msgCalcMissingMathReq 		: '%s : %s : Missing argument - MathRequest',
+		msgCalcWrongTypeMathReq 	: '%s : %s : Wrong argument - MathRequest',
+		msgCalcMissingArgLocCord 	: '%s : %s : Missing argument - locationcoordinate',
+		msgCalcMissingArgMoveDist 	: '%s : %s : Missing argument - MoveByThisDistance',
+		msgCalcMissingArgMoveBear 	: '%s : %s : Missing argument - MoveByThisBearing',
+		msgCalcWrongTypeMoveDist  	: '%s : %s : TypeMismatch - MoveByThisDistance',
+		msgCalcWrongTypeMoveBear 	: '%s : %s : TypeMismatch - MoveByThisBearing',
+		msgCancelBadArg 			: '%s : %s : BadArgument – cancel type',
+		msgCancelMissingType 		: '%s : %s : Missing cancel type',
+		msgCancelWrongType 			: '%s : %s : Wrong cancel type'	,
+		msgNone						: ''	
+	};
+		
+
+}) ()
+