X-Git-Url: http://git.maemo.org/git/?a=blobdiff_plain;f=wrt%2Fzouba%2Fpreview%2Fscript%2Flib%2Fsapi%2FLocation.js;fp=wrt%2Fzouba%2Fpreview%2Fscript%2Flib%2Fsapi%2FLocation.js;h=0000000000000000000000000000000000000000;hb=416f018d3eadc98e82817b2a36e38ac8b1e451e6;hp=99e1886844284582ff936befba0f280ca01e3f6a;hpb=29fa83d8856e6aedacac394735fea72038630bde;p=ptas diff --git a/wrt/zouba/preview/script/lib/sapi/Location.js b/wrt/zouba/preview/script/lib/sapi/Location.js deleted file mode 100644 index 99e1886..0000000 --- a/wrt/zouba/preview/script/lib/sapi/Location.js +++ /dev/null @@ -1,523 +0,0 @@ -/** - * 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 : '' - }; - - -}) () -