"0.33.0";var CryptoJS=CryptoJS||function(a,b){var c={},d=c.lib={},e=d.Base=function(){function a(){}return{extend:function(b){a.prototype=this;var c=new a;return b&&c.mixIn(b),c.$super=this,c},create:function(){var a=this.extend();return a.init.apply(a,arguments),a},init:function(){},mixIn:function(a){for(var b in a)a.hasOwnProperty(b)&&(this[b]=a[b]);a.hasOwnProperty("toString")&&(this.toString=a.toString)},clone:function(){return this.$super.extend(this)}}}(),f=d.WordArray=e.extend({init:function(a,c){a=this.words=a||[],this.sigBytes=c!=b?c:4*a.length},toString:function(a){return(a||h).stringify(this)},concat:function(a){var b=this.words,c=a.words,d=this.sigBytes,a=a.sigBytes;if(this.clamp(),d%4)for(var e=0;a>e;e++)b[d+e>>>2]|=(c[e>>>2]>>>24-8*(e%4)&255)<<24-8*((d+e)%4);else if(65535<c.length)for(e=0;a>e;e+=4)b[d+e>>>2]=c[e>>>2];else b.push.apply(b,c);return this.sigBytes+=a,this},clamp:function(){var b=this.words,c=this.sigBytes;b[c>>>2]&=4294967295<<32-8*(c%4),b.length=a.ceil(c/4)},clone:function(){var a=e.clone.call(this);return a.words=this.words.slice(0),a},random:function(b){for(var c=[],d=0;b>d;d+=4)c.push(4294967296*a.random()|0);return f.create(c,b)}}),g=c.enc={},h=g.Hex={stringify:function(a){for(var b=a.words,a=a.sigBytes,c=[],d=0;a>d;d++){var e=b[d>>>2]>>>24-8*(d%4)&255;c.push((e>>>4).toString(16)),c.push((15&e).toString(16))}return c.join("")},parse:function(a){for(var b=a.length,c=[],d=0;b>d;d+=2)c[d>>>3]|=parseInt(a.substr(d,2),16)<<24-4*(d%8);return f.create(c,b/2)}},i=g.Latin1={stringify:function(a){for(var b=a.words,a=a.sigBytes,c=[],d=0;a>d;d++)c.push(String.fromCharCode(b[d>>>2]>>>24-8*(d%4)&255));return c.join("")},parse:function(a){for(var b=a.length,c=[],d=0;b>d;d++)c[d>>>2]|=(255&a.charCodeAt(d))<<24-8*(d%4);return f.create(c,b)}},j=g.Utf8={stringify:function(a){try{return decodeURIComponent(escape(i.stringify(a)))}catch(b){throw Error("Malformed UTF-8 data")}},parse:function(a){return i.parse(unescape(encodeURIComponent(a)))}},k=d.BufferedBlockAlgorithm=e.extend({reset:function(){this._data=f.create(),this._nDataBytes=0},_append:function(a){"string"==typeof a&&(a=j.parse(a)),this._data.concat(a),this._nDataBytes+=a.sigBytes},_process:function(b){var c=this._data,d=c.words,e=c.sigBytes,g=this.blockSize,h=e/(4*g),h=b?a.ceil(h):a.max((0|h)-this._minBufferSize,0),b=h*g,e=a.min(4*b,e);if(b){for(var i=0;b>i;i+=g)this._doProcessBlock(d,i);i=d.splice(0,b),c.sigBytes-=e}return f.create(i,e)},clone:function(){var a=e.clone.call(this);return a._data=this._data.clone(),a},_minBufferSize:0});d.Hasher=k.extend({init:function(){this.reset()},reset:function(){k.reset.call(this),this._doReset()},update:function(a){return this._append(a),this._process(),this},finalize:function(a){return a&&this._append(a),this._doFinalize(),this._hash},clone:function(){var a=k.clone.call(this);return a._hash=this._hash.clone(),a},blockSize:16,_createHelper:function(a){return function(b,c){return a.create(c).finalize(b)}},_createHmacHelper:function(a){return function(b,c){return l.HMAC.create(a,c).finalize(b)}}});var l=c.algo={};return c}(Math);!function(){var a=CryptoJS,b=a.lib,c=b.WordArray,b=b.Hasher,d=[],e=a.algo.SHA1=b.extend({_doReset:function(){this._hash=c.create([1732584193,4023233417,2562383102,271733878,3285377520])},_doProcessBlock:function(a,b){for(var c=this._hash.words,e=c[0],f=c[1],g=c[2],h=c[3],i=c[4],j=0;80>j;j++){if(16>j)d[j]=0|a[b+j];else{var k=d[j-3]^d[j-8]^d[j-14]^d[j-16];d[j]=k<<1|k>>>31}k=(e<<5|e>>>27)+i+d[j],k=20>j?k+((f&g|~f&h)+1518500249):40>j?k+((f^g^h)+1859775393):60>j?k+((f&g|f&h|g&h)-1894007588):k+((f^g^h)-899497514),i=h,h=g,g=f<<30|f>>>2,f=e,e=k}c[0]=c[0]+e|0,c[1]=c[1]+f|0,c[2]=c[2]+g|0,c[3]=c[3]+h|0,c[4]=c[4]+i|0},_doFinalize:function(){var a=this._data,b=a.words,c=8*this._nDataBytes,d=8*a.sigBytes;b[d>>>5]|=128<<24-d%32,b[(d+64>>>9<<4)+15]=c,a.sigBytes=4*b.length,this._process()}});a.SHA1=b._createHelper(e),a.HmacSHA1=b._createHmacHelper(e)}(),function(){{var a=CryptoJS,b=a.lib,c=b.WordArray,d=a.enc;d.Base64={stringify:function(a){var b=a.words,c=a.sigBytes,d=this._map;a.clamp();for(var e=[],f=0;c>f;f+=3)for(var g=b[f>>>2]>>>24-f%4*8&255,h=b[f+1>>>2]>>>24-(f+1)%4*8&255,i=b[f+2>>>2]>>>24-(f+2)%4*8&255,j=g<<16|h<<8|i,k=0;4>k&&c>f+.75*k;k++)e.push(d.charAt(j>>>6*(3-k)&63));var l=d.charAt(64);if(l)for(;e.length%4;)e.push(l);return e.join("")},parse:function(a){a=a.replace(/\s/g,"");var b=a.length,d=this._map,e=d.charAt(64);if(e){var f=a.indexOf(e);-1!=f&&(b=f)}for(var g=[],h=0,i=0;b>i;i++)if(i%4){var j=d.indexOf(a.charAt(i-1))<<i%4*2,k=d.indexOf(a.charAt(i))>>>6-i%4*2;g[h>>>2]|=(j|k)<<24-h%4*8,h++}return c.create(g,h)},_map:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="}}}();var TinCan;!function(){"use strict";var a={statementId:!0,voidedStatementId:!0,verb:!0,object:!0,registration:!0,context:!0,actor:!0,since:!0,until:!0,limit:!0,authoritative:!0,sparse:!0,instructor:!0,ascending:!0,continueToken:!0,agent:!0,activityId:!0,stateId:!0,profileId:!0,activity_platform:!0,grouping:!0,"Accept-Language":!0};TinCan=function(a){this.log("constructor"),this.recordStores=[],this.actor=null,this.activity=null,this.registration=null,this.context=null,this.init(a)},TinCan.prototype={LOG_SRC:"TinCan",log:function(a,b){TinCan.DEBUG&&"undefined"!=typeof console&&console.log&&(b=b||this.LOG_SRC||"TinCan",console.log("TinCan."+b+": "+a))},init:function(a){this.log("init");var b;if(a=a||{},a.hasOwnProperty("url")&&""!==a.url&&this._initFromQueryString(a.url),a.hasOwnProperty("recordStores")&&void 0!==a.recordStores)for(b=0;b<a.recordStores.length;b+=1)this.addRecordStore(a.recordStores[b]);a.hasOwnProperty("activity")&&(this.activity=a.activity instanceof TinCan.Activity?a.activity:new TinCan.Activity(a.activity)),a.hasOwnProperty("actor")&&(this.actor=a.actor instanceof TinCan.Agent?a.actor:new TinCan.Agent(a.actor)),a.hasOwnProperty("context")&&(this.context=a.context instanceof TinCan.Context?a.context:new TinCan.Context(a.context)),a.hasOwnProperty("registration")&&(this.registration=a.registration)},_initFromQueryString:function(b){this.log("_initFromQueryString");var c,d,e,f=TinCan.Utils.parseURL(b).params,g=["endpoint","auth"],h={},i=null;if(f.hasOwnProperty("actor")){this.log("_initFromQueryString - found actor: "+f.actor);try{this.actor=TinCan.Agent.fromJSON(f.actor),delete f.actor}catch(j){this.log("_initFromQueryString - failed to set actor: "+j)}}if(f.hasOwnProperty("activity_id")&&(this.activity=new TinCan.Activity({id:f.activity_id}),delete f.activity_id),(f.hasOwnProperty("activity_platform")||f.hasOwnProperty("registration")||f.hasOwnProperty("grouping"))&&(e={},f.hasOwnProperty("activity_platform")&&(e.platform=f.activity_platform,delete f.activity_platform),f.hasOwnProperty("registration")&&(e.registration=this.registration=f.registration,delete f.registration),f.hasOwnProperty("grouping")&&(e.contextActivities={},e.contextActivities.grouping=f.grouping,delete f.grouping),this.context=new TinCan.Context(e)),f.hasOwnProperty("endpoint")){for(c=0;c<g.length;c+=1)d=g[c],f.hasOwnProperty(d)&&(h[d]=f[d],delete f[d]);for(c in f)f.hasOwnProperty(c)&&(a.hasOwnProperty(c)?delete f[c]:(i=i||{},i[c]=f[c]));null!==i&&(h.extended=i),h.allowFail=!1,this.addRecordStore(h)}},addRecordStore:function(a){this.log("addRecordStore");var b;b=a instanceof TinCan.LRS?a:new TinCan.LRS(a),this.recordStores.push(b)},prepareStatement:function(a){return this.log("prepareStatement"),a instanceof TinCan.Statement||(a=new TinCan.Statement(a)),null===a.actor&&null!==this.actor&&(a.actor=this.actor),null===a.target&&null!==this.activity&&(a.target=this.activity),null!==this.context&&(null===a.context?a.context=this.context:(null===a.context.registration&&(a.context.registration=this.context.registration),null===a.context.platform&&(a.context.platform=this.context.platform),null!==this.context.contextActivities&&(null===a.context.contextActivities?a.context.contextActivities=this.context.contextActivities:(null!==this.context.contextActivities.grouping&&null===a.context.contextActivities.grouping&&(a.context.contextActivities.grouping=this.context.contextActivities.grouping),null!==this.context.contextActivities.parent&&null===a.context.contextActivities.parent&&(a.context.contextActivities.parent=this.context.contextActivities.parent),null!==this.context.contextActivities.other&&null===a.context.contextActivities.other&&(a.context.contextActivities.other=this.context.contextActivities.other))))),a},sendStatement:function(a,b){this.log("sendStatement");var c,d,e,f=this,g=this.prepareStatement(a),h=this.recordStores.length,i=[],j=[];if(h>0)for("function"==typeof b&&(e=function(a,c){var d;f.log("sendStatement - callbackWrapper: "+h),h>1?(h-=1,j.push({err:a,xhr:c})):1===h?(j.push({err:a,xhr:c}),d=[j,g],b.apply(this,d)):f.log("sendStatement - unexpected record store count: "+h)}),d=0;h>d;d+=1)c=this.recordStores[d],i.push(c.saveStatement(g,{callback:e}));else this.log("[warning] sendStatement: No LRSs added yet (statement not sent)"),"function"==typeof b&&b.apply(this,[null,g]);return{statement:g,results:i}},getStatement:function(a,b){this.log("getStatement");var c;return this.recordStores.length>0?(c=this.recordStores[0],c.retrieveStatement(a,{callback:b})):void this.log("[warning] getStatement: No LRSs added yet (statement not retrieved)")},voidStatement:function(a,b,c){this.log("voidStatement");var d,e,f,g,h,i=this,j=this.recordStores.length,k=[],l=[];if(a instanceof TinCan.Statement&&(a=a.id),"undefined"!=typeof c.actor?e=c.actor:null!==this.actor&&(e=this.actor),f=new TinCan.Statement({actor:e,verb:{id:"http://adlnet.gov/expapi/verbs/voided"},target:{objectType:"StatementRef",id:a}}),j>0)for("function"==typeof b&&(h=function(a,c){var d;i.log("voidStatement - callbackWrapper: "+j),j>1?(j-=1,l.push({err:a,xhr:c})):1===j?(l.push({err:a,xhr:c}),d=[l,f],b.apply(this,d)):i.log("voidStatement - unexpected record store count: "+j)}),g=0;j>g;g+=1)d=this.recordStores[g],k.push(d.saveStatement(f,{callback:h}));else this.log("[warning] voidStatement: No LRSs added yet (statement not sent)"),"function"==typeof b&&b.apply(this,[null,f]);return{statement:f,results:k}},getVoidedStatement:function(a,b){this.log("getVoidedStatement");var c;return this.recordStores.length>0?(c=this.recordStores[0],c.retrieveVoidedStatement(a,{callback:b})):void this.log("[warning] getVoidedStatement: No LRSs added yet (statement not retrieved)")},sendStatements:function(a,b){this.log("sendStatements");var c,d,e,f=this,g=[],h=this.recordStores.length,i=[],j=[];if(0===a.length)"function"==typeof b&&b.apply(this,[null,g]);else{for(d=0;d<a.length;d+=1)g.push(this.prepareStatement(a[d]));if(h>0)for("function"==typeof b&&(e=function(a,c){var d;f.log("sendStatements - callbackWrapper: "+h),h>1?(h-=1,j.push({err:a,xhr:c})):1===h?(j.push({err:a,xhr:c}),d=[j,g],b.apply(this,d)):f.log("sendStatements - unexpected record store count: "+h)}),d=0;h>d;d+=1)c=this.recordStores[d],i.push(c.saveStatements(g,{callback:e}));else this.log("[warning] sendStatements: No LRSs added yet (statements not sent)"),"function"==typeof b&&b.apply(this,[null,g])}return{statements:g,results:i}},getStatements:function(a){this.log("getStatements");var b,c,d={};return this.recordStores.length>0?(b=this.recordStores[0],a=a||{},c=a.params||{},a.sendActor&&null!==this.actor&&("0.9"===b.version||"0.95"===b.version?c.actor=this.actor:c.agent=this.actor),a.sendActivity&&null!==this.activity&&("0.9"===b.version||"0.95"===b.version?c.target=this.activity:c.activity=this.activity),"undefined"==typeof c.registration&&null!==this.registration&&(c.registration=this.registration),d={params:c},"undefined"!=typeof a.callback&&(d.callback=a.callback),b.queryStatements(d)):void this.log("[warning] getStatements: No LRSs added yet (statements not read)")},getState:function(a,b){this.log("getState");var c,d;return this.recordStores.length>0?(d=this.recordStores[0],b=b||{},c={agent:"undefined"!=typeof b.agent?b.agent:this.actor,activity:"undefined"!=typeof b.activity?b.activity:this.activity},"undefined"!=typeof b.registration?c.registration=b.registration:null!==this.registration&&(c.registration=this.registration),"undefined"!=typeof b.callback&&(c.callback=b.callback),d.retrieveState(a,c)):void this.log("[warning] getState: No LRSs added yet (state not retrieved)")},setState:function(a,b,c){this.log("setState");var d,e;return this.recordStores.length>0?(e=this.recordStores[0],c=c||{},d={agent:"undefined"!=typeof c.agent?c.agent:this.actor,activity:"undefined"!=typeof c.activity?c.activity:this.activity},"undefined"!=typeof c.registration?d.registration=c.registration:null!==this.registration&&(d.registration=this.registration),"undefined"!=typeof c.lastSHA1&&(d.lastSHA1=c.lastSHA1),"undefined"!=typeof c.contentType&&(d.contentType=c.contentType,"undefined"!=typeof c.overwriteJSON&&!c.overwriteJSON&&TinCan.Utils.isApplicationJSON(c.contentType)&&(d.method="POST")),"undefined"!=typeof c.callback&&(d.callback=c.callback),e.saveState(a,b,d)):void this.log("[warning] setState: No LRSs added yet (state not saved)")},deleteState:function(a,b){this.log("deleteState");var c,d;return this.recordStores.length>0?(d=this.recordStores[0],b=b||{},c={agent:"undefined"!=typeof b.agent?b.agent:this.actor,activity:"undefined"!=typeof b.activity?b.activity:this.activity},"undefined"!=typeof b.registration?c.registration=b.registration:null!==this.registration&&(c.registration=this.registration),"undefined"!=typeof b.callback&&(c.callback=b.callback),d.dropState(a,c)):void this.log("[warning] deleteState: No LRSs added yet (state not deleted)")},getActivityProfile:function(a,b){this.log("getActivityProfile");var c,d;return this.recordStores.length>0?(d=this.recordStores[0],b=b||{},c={activity:"undefined"!=typeof b.activity?b.activity:this.activity},"undefined"!=typeof b.callback&&(c.callback=b.callback),d.retrieveActivityProfile(a,c)):void this.log("[warning] getActivityProfile: No LRSs added yet (activity profile not retrieved)")},setActivityProfile:function(a,b,c){this.log("setActivityProfile");var d,e;return this.recordStores.length>0?(e=this.recordStores[0],c=c||{},d={activity:"undefined"!=typeof c.activity?c.activity:this.activity},"undefined"!=typeof c.callback&&(d.callback=c.callback),"undefined"!=typeof c.lastSHA1&&(d.lastSHA1=c.lastSHA1),"undefined"!=typeof c.contentType&&(d.contentType=c.contentType,"undefined"!=typeof c.overwriteJSON&&!c.overwriteJSON&&TinCan.Utils.isApplicationJSON(c.contentType)&&(d.method="POST")),e.saveActivityProfile(a,b,d)):void this.log("[warning] setActivityProfile: No LRSs added yet (activity profile not saved)")},deleteActivityProfile:function(a,b){this.log("deleteActivityProfile");var c,d;return this.recordStores.length>0?(d=this.recordStores[0],b=b||{},c={activity:"undefined"!=typeof b.activity?b.activity:this.activity},"undefined"!=typeof b.callback&&(c.callback=b.callback),d.dropActivityProfile(a,c)):void this.log("[warning] deleteActivityProfile: No LRSs added yet (activity profile not deleted)")},getAgentProfile:function(a,b){this.log("getAgentProfile");var c,d;return this.recordStores.length>0?(d=this.recordStores[0],b=b||{},c={agent:"undefined"!=typeof b.agent?b.agent:this.actor},"undefined"!=typeof b.callback&&(c.callback=b.callback),d.retrieveAgentProfile(a,c)):void this.log("[warning] getAgentProfile: No LRSs added yet (agent profile not retrieved)")},setAgentProfile:function(a,b,c){this.log("setAgentProfile");var d,e;return this.recordStores.length>0?(e=this.recordStores[0],c=c||{},d={agent:"undefined"!=typeof c.agent?c.agent:this.actor},"undefined"!=typeof c.callback&&(d.callback=c.callback),"undefined"!=typeof c.lastSHA1&&(d.lastSHA1=c.lastSHA1),"undefined"!=typeof c.contentType&&(d.contentType=c.contentType,"undefined"!=typeof c.overwriteJSON&&!c.overwriteJSON&&TinCan.Utils.isApplicationJSON(c.contentType)&&(d.method="POST")),e.saveAgentProfile(a,b,d)):void this.log("[warning] setAgentProfile: No LRSs added yet (agent profile not saved)")},deleteAgentProfile:function(a,b){this.log("deleteAgentProfile");var c,d;return this.recordStores.length>0?(d=this.recordStores[0],b=b||{},c={agent:"undefined"!=typeof b.agent?b.agent:this.actor},"undefined"!=typeof b.callback&&(c.callback=b.callback),d.dropAgentProfile(a,c)):void this.log("[warning] deleteAgentProfile: No LRSs added yet (agent profile not deleted)")}},TinCan.DEBUG=!1,TinCan.enableDebug=function(){TinCan.DEBUG=!0},TinCan.disableDebug=function(){TinCan.DEBUG=!1},TinCan.versions=function(){return["1.0.1","1.0.0","0.95","0.9"]},"object"==typeof module&&(module.exports=TinCan)}(),function(){"use strict";TinCan.Utils={getUUID:function(){return"xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g,function(a){var b=16*Math.random()|0,c="x"==a?b:3&b|8;return c.toString(16)})},getISODateString:function(a){function b(a,b){var c,d;for(("undefined"==typeof a||null===a)&&(a=0),("undefined"==typeof b||null===b)&&(b=2),c=Math.pow(10,b-1),d=a.toString();c>a&&c>1;)d="0"+d,c/=10;return d}return a.getUTCFullYear()+"-"+b(a.getUTCMonth()+1)+"-"+b(a.getUTCDate())+"T"+b(a.getUTCHours())+":"+b(a.getUTCMinutes())+":"+b(a.getUTCSeconds())+"."+b(a.getUTCMilliseconds(),3)+"Z"},convertISO8601DurationToMilliseconds:function(a){var b,c,d,e,f=a.indexOf("-")>=0,g=a.indexOf("T"),h=a.indexOf("H"),i=a.indexOf("M"),j=a.indexOf("S");if(-1===g||-1!==i&&g>i||-1!==a.indexOf("D")||-1!==a.indexOf("Y"))throw new Error("ISO 8601 timestamps including years, months and/or days are not currently supported");return-1===h?(h=g,b=0):b=parseInt(a.slice(g+1,h),10),-1===i?(i=g,c=0):c=parseInt(a.slice(h+1,i),10),d=parseFloat(a.slice(i+1,j)),e=parseInt(1e3*(60*(60*b+c)+d),10),isNaN(e)&&(e=0),f&&(e=-1*e),e},convertMillisecondsToISO8601Duration:function(a){var b,c,d,e=parseInt(a,10),f="",g="";return 0>e&&(f="-",e=-1*e),b=parseInt(e/36e5,10),c=parseInt(e%36e5/6e4,10),d=e%36e5%6e4/1e3,g=f+"PT",b>0&&(g+=b+"H"),c>0&&(g+=c+"M"),g+=d+"S"},getSHA1String:function(a){return CryptoJS.SHA1(a).toString(CryptoJS.enc.Hex)},getBase64String:function(a){return CryptoJS.enc.Base64.stringify(CryptoJS.enc.Latin1.parse(a))},getLangDictionaryValue:function(a,b){var c,d=this[a];if("undefined"!=typeof b&&"undefined"!=typeof d[b])return d[b];if("undefined"!=typeof d.und)return d.und;if("undefined"!=typeof d["en-US"])return d["en-US"];for(c in d)if(d.hasOwnProperty(c))return d[c];return""},parseURL:function(a){var b,c,d,e,f=/\+/g,g=/([^&=]+)=?([^&]*)/g,h=function(a){return decodeURIComponent(a.replace(f," "))};if(b=new RegExp(["^(https?:)//","(([^:/?#]*)(?::([0-9]+))?)","(/[^?#]*)","(\\?[^#]*|)","(#.*|)$"].join("")),c=a.match(b),d={protocol:c[1],host:c[2],hostname:c[3],port:c[4],pathname:c[5],search:c[6],hash:c[7],params:{}},d.path=d.protocol+"//"+d.host+d.pathname,""!==d.search)for(;e=g.exec(d.search.substring(1));)d.params[h(e[1])]=h(e[2]);return d},getServerRoot:function(a){var b=a.split("/");return b[0]+"//"+b[2]},getContentTypeFromHeader:function(a){return String(a).split(";")[0]},isApplicationJSON:function(a){return 0===TinCan.Utils.getContentTypeFromHeader(a).toLowerCase().indexOf("application/json")}}}(),function(){"use strict";var a=TinCan.LRS=function(a){this.log("constructor"),this.endpoint=null,this.version=null,this.auth=null,this.allowFail=!0,this.extended=null,this.init(a)};a.prototype={LOG_SRC:"LRS",log:TinCan.prototype.log,init:function(a){this.log("init");var b,c=TinCan.versions(),d=!1;if(a=a||{},a.hasOwnProperty("alertOnRequestFailure")&&this.log("'alertOnRequestFailure' is deprecated (alerts have been removed) no need to set it now"),!a.hasOwnProperty("endpoint")||null===a.endpoint||""===a.endpoint)throw this.log("[error] LRS invalid: no endpoint"),{code:3,mesg:"LRS invalid: no endpoint"};if(this.endpoint=String(a.endpoint),"/"!==this.endpoint.slice(-1)&&(this.log("adding trailing slash to endpoint"),this.endpoint+="/"),a.hasOwnProperty("allowFail")&&(this.allowFail=a.allowFail),a.hasOwnProperty("auth")?this.auth=a.auth:a.hasOwnProperty("username")&&a.hasOwnProperty("password")&&(this.auth="Basic "+TinCan.Utils.getBase64String(a.username+":"+a.password)),a.hasOwnProperty("extended")&&(this.extended=a.extended),this._initByEnvironment(a),"undefined"!=typeof a.version){for(this.log("version: "+a.version),b=0;b<c.length;b+=1)if(c[b]===a.version){d=!0;break}if(!d)throw this.log("[error] LRS invalid: version not supported ("+a.version+")"),{code:5,mesg:"LRS invalid: version not supported ("+a.version+")"};this.version=a.version}else this.version=c[0]},_initByEnvironment:function(){this.log("_initByEnvironment not overloaded - no environment loaded?")},_makeRequest:function(){this.log("_makeRequest not overloaded - no environment loaded?")},_IEModeConversion:function(){this.log("_IEModeConversion not overloaded - browser environment not loaded.")},sendRequest:function(a){this.log("sendRequest");var b,c=this.endpoint+a.url,d={};if(0===a.url.indexOf("http")&&(c=a.url),null!==this.extended){a.params=a.params||{};for(b in this.extended)this.extended.hasOwnProperty(b)&&(a.params.hasOwnProperty(b)||null!==this.extended[b]&&(a.params[b]=this.extended[b]))}d.Authorization=this.auth,"0.9"!==this.version&&(d["X-Experience-API-Version"]=this.version);for(b in a.headers)a.headers.hasOwnProperty(b)&&(d[b]=a.headers[b]);return this._makeRequest(c,d,a)},about:function(a){this.log("about");var b,c,d;return a=a||{},b={url:"about",method:"GET",params:{}},"undefined"!=typeof a.callback&&(d=function(b,c){var d=c;null===b&&(d=TinCan.About.fromJSON(c.responseText)),a.callback(b,d)},b.callback=d),c=this.sendRequest(b),d?void 0:(null===c.err&&(c.xhr=TinCan.About.fromJSON(c.xhr.responseText)),c)},saveStatement:function(a,b){this.log("saveStatement");var c,d;b=b||{};try{d=a.asVersion(this.version)}catch(e){return this.allowFail?(this.log("[warning] statement could not be serialized in version ("+this.version+"): "+e),"undefined"!=typeof b.callback?void b.callback(null,null):{err:null,xhr:null}):(this.log("[error] statement could not be serialized in version ("+this.version+"): "+e),"undefined"!=typeof b.callback?void b.callback(e,null):{err:e,xhr:null})}return c={url:"statements",data:JSON.stringify(d),headers:{"Content-Type":"application/json"}},null!==a.id?(c.method="PUT",c.params={statementId:a.id}):c.method="POST","undefined"!=typeof b.callback&&(c.callback=b.callback),this.sendRequest(c)},retrieveStatement:function(a,b){this.log("retrieveStatement");var c,d,e;return b=b||{},c={url:"statements",method:"GET",params:{statementId:a}},"undefined"!=typeof b.callback&&(e=function(a,c){var d=c;null===a&&(d=TinCan.Statement.fromJSON(c.responseText)),b.callback(a,d)},c.callback=e),d=this.sendRequest(c),e||(d.statement=null,null===d.err&&(d.statement=TinCan.Statement.fromJSON(d.xhr.responseText))),d},retrieveVoidedStatement:function(a,b){this.log("retrieveVoidedStatement");var c,d,e;return b=b||{},c={url:"statements",method:"GET",params:{}},"0.9"===this.version||"0.95"===this.version?c.params.statementId=a:c.params.voidedStatementId=a,"undefined"!=typeof b.callback&&(e=function(a,c){var d=c;null===a&&(d=TinCan.Statement.fromJSON(c.responseText)),b.callback(a,d)},c.callback=e),d=this.sendRequest(c),e||(d.statement=null,null===d.err&&(d.statement=TinCan.Statement.fromJSON(d.xhr.responseText))),d},saveStatements:function(a,b){this.log("saveStatements");var c,d,e,f=[];if(b=b||{},0===a.length)return"undefined"!=typeof b.callback?void b.callback(new Error("no statements"),null):{err:new Error("no statements"),xhr:null};for(e=0;e<a.length;e+=1){try{d=a[e].asVersion(this.version)}catch(g){return this.allowFail?(this.log("[warning] statement could not be serialized in version ("+this.version+"): "+g),"undefined"!=typeof b.callback?void b.callback(null,null):{err:null,xhr:null}):(this.log("[error] statement could not be serialized in version ("+this.version+"): "+g),"undefined"!=typeof b.callback?void b.callback(g,null):{err:g,xhr:null})}f.push(d)}return c={url:"statements",method:"POST",data:JSON.stringify(f),headers:{"Content-Type":"application/json"}},"undefined"!=typeof b.callback&&(c.callback=b.callback),this.sendRequest(c)},queryStatements:function(a){this.log("queryStatements");var b,c,d;a=a||{},a.params=a.params||{};try{b=this._queryStatementsRequestCfg(a)}catch(e){return this.log("[error] Query statements failed - "+e),"undefined"!=typeof a.callback&&a.callback(e,{}),{err:e,statementsResult:null}}return"undefined"!=typeof a.callback&&(d=function(b,c){var d=c;null===b&&(d=TinCan.StatementsResult.fromJSON(c.responseText)),a.callback(b,d)},b.callback=d),c=this.sendRequest(b),c.config=b,d||(c.statementsResult=null,null===c.err&&(c.statementsResult=TinCan.StatementsResult.fromJSON(c.xhr.responseText))),c},_queryStatementsRequestCfg:function(a){this.log("_queryStatementsRequestCfg");var b,c,d={},e={url:"statements",method:"GET",params:d},f=["agent","actor","object","instructor"],g=["verb","activity"],h=["registration","context","since","until","limit","authoritative","sparse","ascending","related_activities","related_agents","format","attachments"],i={verb:!0,registration:!0,since:!0,until:!0,limit:!0,ascending:!0},j={.9:{supported:{actor:!0,instructor:!0,target:!0,object:!0,context:!0,authoritative:!0,sparse:!0}},"1.0.0":{supported:{agent:!0,activity:!0,related_activities:!0,related_agents:!0,format:!0,attachments:!0}}};j[.95]=j[.9],j["1.0.1"]=j["1.0.0"],a.params.hasOwnProperty("target")&&(a.params.object=a.params.target);for(c in a.params)if(a.params.hasOwnProperty(c)&&"undefined"==typeof i[c]&&"undefined"==typeof j[this.version].supported[c])throw"Unrecognized query parameter configured: "+c;for(b=0;b<f.length;b+=1)"undefined"!=typeof a.params[f[b]]&&(d[f[b]]=JSON.stringify(a.params[f[b]].asVersion(this.version)));for(b=0;b<g.length;b+=1)"undefined"!=typeof a.params[g[b]]&&(d[g[b]]=a.params[g[b]].id);for(b=0;b<h.length;b+=1)"undefined"!=typeof a.params[h[b]]&&(d[h[b]]=a.params[h[b]]);return e},moreStatements:function(a){this.log("moreStatements: "+a.url);var b,c,d,e,f;return a=a||{},e=TinCan.Utils.parseURL(a.url),f=TinCan.Utils.getServerRoot(this.endpoint),0===e.path.indexOf("/statements")&&(e.path=this.endpoint.replace(f,"")+e.path,this.log("converting non-standard more URL to "+e.path)),0!==e.path.indexOf("/")&&(e.path="/"+e.path),b={method:"GET",url:f+e.path,params:e.params},"undefined"!=typeof a.callback&&(d=function(b,c){var d=c;null===b&&(d=TinCan.StatementsResult.fromJSON(c.responseText)),a.callback(b,d)},b.callback=d),c=this.sendRequest(b),c.config=b,d||(c.statementsResult=null,null===c.err&&(c.statementsResult=TinCan.StatementsResult.fromJSON(c.xhr.responseText))),c},retrieveState:function(a,b){this.log("retrieveState");var c,d,e={},f={};if(e={stateId:a,activityId:b.activity.id},"0.9"===this.version?e.actor=JSON.stringify(b.agent.asVersion(this.version)):e.agent=JSON.stringify(b.agent.asVersion(this.version)),"undefined"!=typeof b.registration&&null!==b.registration&&("0.9"===this.version?e.registrationId=b.registration:e.registration=b.registration),f={url:"activities/state",method:"GET",params:e,ignore404:!0},"undefined"!=typeof b.callback&&(d=function(c,d){var e=d;if(null===c)if(404===d.status)e=null;else if(e=new TinCan.State({id:a,contents:d.responseText}),e.etag="undefined"!=typeof d.getResponseHeader&&null!==d.getResponseHeader("ETag")&&""!==d.getResponseHeader("ETag")?d.getResponseHeader("ETag"):TinCan.Utils.getSHA1String(d.responseText),"undefined"!=typeof d.contentType?e.contentType=d.contentType:"undefined"!=typeof d.getResponseHeader&&null!==d.getResponseHeader("Content-Type")&&""!==d.getResponseHeader("Content-Type")&&(e.contentType=d.getResponseHeader("Content-Type")),TinCan.Utils.isApplicationJSON(e.contentType))try{e.contents=JSON.parse(e.contents)}catch(f){this.log("retrieveState - failed to deserialize JSON: "+f)}b.callback(c,e)},f.callback=d),c=this.sendRequest(f),!d&&(c.state=null,null===c.err&&404!==c.xhr.status&&(c.state=new TinCan.State({id:a,contents:c.xhr.responseText}),c.state.etag="undefined"!=typeof c.xhr.getResponseHeader&&null!==c.xhr.getResponseHeader("ETag")&&""!==c.xhr.getResponseHeader("ETag")?c.xhr.getResponseHeader("ETag"):TinCan.Utils.getSHA1String(c.xhr.responseText),"undefined"!=typeof c.xhr.contentType?c.state.contentType=c.xhr.contentType:"undefined"!=typeof c.xhr.getResponseHeader&&null!==c.xhr.getResponseHeader("Content-Type")&&""!==c.xhr.getResponseHeader("Content-Type")&&(c.state.contentType=c.xhr.getResponseHeader("Content-Type")),TinCan.Utils.isApplicationJSON(c.state.contentType))))try{c.state.contents=JSON.parse(c.state.contents)}catch(g){this.log("retrieveState - failed to deserialize JSON: "+g)}return c},saveState:function(a,b,c){this.log("saveState");var d,e;return"undefined"==typeof c.contentType&&(c.contentType="application/octet-stream"),"object"==typeof b&&TinCan.Utils.isApplicationJSON(c.contentType)&&(b=JSON.stringify(b)),("undefined"==typeof c.method||"POST"!==c.method)&&(c.method="PUT"),d={stateId:a,activityId:c.activity.id},"0.9"===this.version?d.actor=JSON.stringify(c.agent.asVersion(this.version)):d.agent=JSON.stringify(c.agent.asVersion(this.version)),"undefined"!=typeof c.registration&&null!==c.registration&&("0.9"===this.version?d.registrationId=c.registration:d.registration=c.registration),e={url:"activities/state",method:c.method,params:d,data:b,headers:{"Content-Type":c.contentType}},"undefined"!=typeof c.callback&&(e.callback=c.callback),"undefined"!=typeof c.lastSHA1&&null!==c.lastSHA1&&(e.headers["If-Match"]=c.lastSHA1),this.sendRequest(e)},dropState:function(a,b){this.log("dropState");var c,d;return c={activityId:b.activity.id},"0.9"===this.version?c.actor=JSON.stringify(b.agent.asVersion(this.version)):c.agent=JSON.stringify(b.agent.asVersion(this.version)),null!==a&&(c.stateId=a),"undefined"!=typeof b.registration&&null!==b.registration&&("0.9"===this.version?c.registrationId=b.registration:c.registration=b.registration),d={url:"activities/state",method:"DELETE",params:c},"undefined"!=typeof b.callback&&(d.callback=b.callback),this.sendRequest(d)},retrieveActivityProfile:function(a,b){this.log("retrieveActivityProfile");var c,d,e={};if(e={url:"activities/profile",method:"GET",params:{profileId:a,activityId:b.activity.id},ignore404:!0},"undefined"!=typeof b.callback&&(d=function(c,d){var e=d;if(null===c)if(404===d.status)e=null;else if(e=new TinCan.ActivityProfile({id:a,activity:b.activity,contents:d.responseText}),e.etag="undefined"!=typeof d.getResponseHeader&&null!==d.getResponseHeader("ETag")&&""!==d.getResponseHeader("ETag")?d.getResponseHeader("ETag"):TinCan.Utils.getSHA1String(d.responseText),"undefined"!=typeof d.contentType?e.contentType=d.contentType:"undefined"!=typeof d.getResponseHeader&&null!==d.getResponseHeader("Content-Type")&&""!==d.getResponseHeader("Content-Type")&&(e.contentType=d.getResponseHeader("Content-Type")),TinCan.Utils.isApplicationJSON(e.contentType))try{e.contents=JSON.parse(e.contents)}catch(f){this.log("retrieveActivityProfile - failed to deserialize JSON: "+f)}b.callback(c,e)},e.callback=d),c=this.sendRequest(e),!d&&(c.profile=null,null===c.err&&404!==c.xhr.status&&(c.profile=new TinCan.ActivityProfile({id:a,activity:b.activity,contents:c.xhr.responseText}),c.profile.etag="undefined"!=typeof c.xhr.getResponseHeader&&null!==c.xhr.getResponseHeader("ETag")&&""!==c.xhr.getResponseHeader("ETag")?c.xhr.getResponseHeader("ETag"):TinCan.Utils.getSHA1String(c.xhr.responseText),"undefined"!=typeof c.xhr.contentType?c.profile.contentType=c.xhr.contentType:"undefined"!=typeof c.xhr.getResponseHeader&&null!==c.xhr.getResponseHeader("Content-Type")&&""!==c.xhr.getResponseHeader("Content-Type")&&(c.profile.contentType=c.xhr.getResponseHeader("Content-Type")),TinCan.Utils.isApplicationJSON(c.profile.contentType))))try{c.profile.contents=JSON.parse(c.profile.contents)}catch(f){this.log("retrieveActivityProfile - failed to deserialize JSON: "+f)}return c},saveActivityProfile:function(a,b,c){this.log("saveActivityProfile");var d;return"undefined"==typeof c.contentType&&(c.contentType="application/octet-stream"),("undefined"==typeof c.method||"POST"!==c.method)&&(c.method="PUT"),"object"==typeof b&&TinCan.Utils.isApplicationJSON(c.contentType)&&(b=JSON.stringify(b)),d={url:"activities/profile",method:c.method,params:{profileId:a,activityId:c.activity.id},data:b,headers:{"Content-Type":c.contentType}},"undefined"!=typeof c.callback&&(d.callback=c.callback),"undefined"!=typeof c.lastSHA1&&null!==c.lastSHA1?d.headers["If-Match"]=c.lastSHA1:d.headers["If-None-Match"]="*",this.sendRequest(d)
},dropActivityProfile:function(a,b){this.log("dropActivityProfile");var c,d;return c={profileId:a,activityId:b.activity.id},d={url:"activities/profile",method:"DELETE",params:c},"undefined"!=typeof b.callback&&(d.callback=b.callback),this.sendRequest(d)},retrieveAgentProfile:function(a,b){this.log("retrieveAgentProfile");var c,d,e={};if(e={method:"GET",params:{profileId:a},ignore404:!0},"0.9"===this.version?(e.url="actors/profile",e.params.actor=JSON.stringify(b.agent.asVersion(this.version))):(e.url="agents/profile",e.params.agent=JSON.stringify(b.agent.asVersion(this.version))),"undefined"!=typeof b.callback&&(d=function(c,d){var e=d;if(null===c)if(404===d.status)e=null;else if(e=new TinCan.AgentProfile({id:a,agent:b.agent,contents:d.responseText}),e.etag="undefined"!=typeof d.getResponseHeader&&null!==d.getResponseHeader("ETag")&&""!==d.getResponseHeader("ETag")?d.getResponseHeader("ETag"):TinCan.Utils.getSHA1String(d.responseText),"undefined"!=typeof d.contentType?e.contentType=d.contentType:"undefined"!=typeof d.getResponseHeader&&null!==d.getResponseHeader("Content-Type")&&""!==d.getResponseHeader("Content-Type")&&(e.contentType=d.getResponseHeader("Content-Type")),TinCan.Utils.isApplicationJSON(e.contentType))try{e.contents=JSON.parse(e.contents)}catch(f){this.log("retrieveAgentProfile - failed to deserialize JSON: "+f)}b.callback(c,e)},e.callback=d),c=this.sendRequest(e),!d&&(c.profile=null,null===c.err&&404!==c.xhr.status&&(c.profile=new TinCan.AgentProfile({id:a,agent:b.agent,contents:c.xhr.responseText}),c.profile.etag="undefined"!=typeof c.xhr.getResponseHeader&&null!==c.xhr.getResponseHeader("ETag")&&""!==c.xhr.getResponseHeader("ETag")?c.xhr.getResponseHeader("ETag"):TinCan.Utils.getSHA1String(c.xhr.responseText),"undefined"!=typeof c.xhr.contentType?c.profile.contentType=c.xhr.contentType:"undefined"!=typeof c.xhr.getResponseHeader&&null!==c.xhr.getResponseHeader("Content-Type")&&""!==c.xhr.getResponseHeader("Content-Type")&&(c.profile.contentType=c.xhr.getResponseHeader("Content-Type")),TinCan.Utils.isApplicationJSON(c.profile.contentType))))try{c.profile.contents=JSON.parse(c.profile.contents)}catch(f){this.log("retrieveAgentProfile - failed to deserialize JSON: "+f)}return c},saveAgentProfile:function(a,b,c){this.log("saveAgentProfile");var d;return"undefined"==typeof c.contentType&&(c.contentType="application/octet-stream"),("undefined"==typeof c.method||"POST"!==c.method)&&(c.method="PUT"),"object"==typeof b&&TinCan.Utils.isApplicationJSON(c.contentType)&&(b=JSON.stringify(b)),d={method:c.method,params:{profileId:a},data:b,headers:{"Content-Type":c.contentType}},"0.9"===this.version?(d.url="actors/profile",d.params.actor=JSON.stringify(c.agent.asVersion(this.version))):(d.url="agents/profile",d.params.agent=JSON.stringify(c.agent.asVersion(this.version))),"undefined"!=typeof c.callback&&(d.callback=c.callback),"undefined"!=typeof c.lastSHA1&&null!==c.lastSHA1?d.headers["If-Match"]=c.lastSHA1:d.headers["If-None-Match"]="*",this.sendRequest(d)},dropAgentProfile:function(a,b){this.log("dropAgentProfile");var c,d;return c={profileId:a},d={method:"DELETE",params:c},"0.9"===this.version?(d.url="actors/profile",c.actor=JSON.stringify(b.agent.asVersion(this.version))):(d.url="agents/profile",c.agent=JSON.stringify(b.agent.asVersion(this.version))),"undefined"!=typeof b.callback&&(d.callback=b.callback),this.sendRequest(d)}},a.syncEnabled=null}(),function(){"use strict";var a=TinCan.AgentAccount=function(a){this.log("constructor"),this.homePage=null,this.name=null,this.init(a)};a.prototype={LOG_SRC:"AgentAccount",log:TinCan.prototype.log,init:function(a){this.log("init");var b,c=["name","homePage"];for(a=a||{},"undefined"!=typeof a.accountServiceHomePage&&(a.homePage=a.accountServiceHomePage),"undefined"!=typeof a.accountName&&(a.name=a.accountName),b=0;b<c.length;b+=1)a.hasOwnProperty(c[b])&&null!==a[c[b]]&&(this[c[b]]=a[c[b]])},toString:function(){this.log("toString");var a="";return null!==this.name||null!==this.homePage?(a+=null!==this.name?this.name:"-",a+=":",a+=null!==this.homePage?this.homePage:"-"):a="AgentAccount: unidentified",a},asVersion:function(a){this.log("asVersion: "+a);var b={};return a=a||TinCan.versions()[0],"0.9"===a?(b.accountName=this.name,b.accountServiceHomePage=this.homePage):(b.name=this.name,b.homePage=this.homePage),b}},a.fromJSON=function(b){a.prototype.log("fromJSON");var c=JSON.parse(b);return new a(c)}}(),function(){"use strict";var a=TinCan.Agent=function(a){this.log("constructor"),this.name=null,this.mbox=null,this.mbox_sha1sum=null,this.openid=null,this.account=null,this.degraded=!1,this.init(a)};a.prototype={objectType:"Agent",LOG_SRC:"Agent",log:TinCan.prototype.log,init:function(a){this.log("init");var b,c,d=["name","mbox","mbox_sha1sum","openid"];for(a=a||{},"undefined"!=typeof a.lastName||"undefined"!=typeof a.firstName?(a.name="","undefined"!=typeof a.firstName&&a.firstName.length>0&&(a.name=a.firstName[0],a.firstName.length>1&&(this.degraded=!0)),""!==a.name&&(a.name+=" "),"undefined"!=typeof a.lastName&&a.lastName.length>0&&(a.name+=a.lastName[0],a.lastName.length>1&&(this.degraded=!0))):("undefined"!=typeof a.familyName||"undefined"!=typeof a.givenName)&&(a.name="","undefined"!=typeof a.givenName&&a.givenName.length>0&&(a.name=a.givenName[0],a.givenName.length>1&&(this.degraded=!0)),""!==a.name&&(a.name+=" "),"undefined"!=typeof a.familyName&&a.familyName.length>0&&(a.name+=a.familyName[0],a.familyName.length>1&&(this.degraded=!0))),"object"==typeof a.name&&null!==a.name&&(a.name.length>1&&(this.degraded=!0),a.name=a.name[0]),"object"==typeof a.mbox&&null!==a.mbox&&(a.mbox.length>1&&(this.degraded=!0),a.mbox=a.mbox[0]),"object"==typeof 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b,c={},d=["id","timestamp"],e=["actor","verb","result","context","authority"];for(a=a||TinCan.versions()[0],b=0;b<d.length;b+=1)null!==this[d[b]]&&(c[d[b]]=this[d[b]]);for(b=0;b<e.length;b+=1)null!==this[e[b]]&&(c[e[b]]=this[e[b]].asVersion(a));return null!==this.target&&(c.object=this.target.asVersion(a)),("0.9"===a||"0.95"===a)&&null!==this.voided&&(c.voided=this.voided),"0.9"===a&&null!==this.inProgress&&(c.inProgress=this.inProgress),c},stamp:function(){this.log("stamp"),null===this.id&&(this.id=TinCan.Utils.getUUID()),null===this.timestamp&&(this.timestamp=TinCan.Utils.getISODateString(new Date))}},a.fromJSON=function(b){a.prototype.log("fromJSON");var c=JSON.parse(b);return new a(c)}}(),function(){"use strict";var a=TinCan.StatementsResult=function(a){this.log("constructor"),this.statements=null,this.more=null,this.init(a)};a.prototype={LOG_SRC:"StatementsResult",log:TinCan.prototype.log,init:function(a){this.log("init"),a=a||{},a.hasOwnProperty("statements")&&(this.statements=a.statements),a.hasOwnProperty("more")&&(this.more=a.more)}},a.fromJSON=function(b){a.prototype.log("fromJSON");var c,d,e,f=[];try{c=JSON.parse(b)}catch(g){a.prototype.log("fromJSON - JSON.parse error: "+g)}if(c){for(e=0;e<c.statements.length;e+=1){try{d=new TinCan.Statement(c.statements[e],4)}catch(h){a.prototype.log("fromJSON - statement instantiation failed: "+h+" ("+JSON.stringify(c.statements[e])+")"),d=new TinCan.Statement({id:c.statements[e].id},4)}f.push(d)}c.statements=f}return new a(c)}}(),function(){"use strict";var a=TinCan.State=function(a){this.log("constructor"),this.id=null,this.updated=null,this.contents=null,this.etag=null,this.contentType=null,this.init(a)};a.prototype={LOG_SRC:"State",log:TinCan.prototype.log,init:function(a){this.log("init");var b,c=["id","contents","etag","contentType"];for(a=a||{},b=0;b<c.length;b+=1)a.hasOwnProperty(c[b])&&null!==a[c[b]]&&(this[c[b]]=a[c[b]]);this.updated=!1}},a.fromJSON=function(b){a.prototype.log("fromJSON");var c=JSON.parse(b);return new a(c)}}(),function(){"use strict";var a=TinCan.ActivityProfile=function(a){this.log("constructor"),this.id=null,this.activity=null,this.updated=null,this.contents=null,this.etag=null,this.contentType=null,this.init(a)};a.prototype={LOG_SRC:"ActivityProfile",log:TinCan.prototype.log,init:function(a){this.log("init");var b,c=["id","contents","etag","contentType"];for(a=a||{},a.hasOwnProperty("activity")&&(this.activity=a.activity instanceof TinCan.Activity?a.activity:new TinCan.Activity(a.activity)),b=0;b<c.length;b+=1)a.hasOwnProperty(c[b])&&null!==a[c[b]]&&(this[c[b]]=a[c[b]]);this.updated=!1}},a.fromJSON=function(b){a.prototype.log("fromJSON");var c=JSON.parse(b);return new a(c)}}(),function(){"use strict";var a=TinCan.AgentProfile=function(a){this.log("constructor"),this.id=null,this.agent=null,this.updated=null,this.contents=null,this.etag=null,this.contentType=null,this.init(a)};a.prototype={LOG_SRC:"AgentProfile",log:TinCan.prototype.log,init:function(a){this.log("init");var b,c=["id","contents","etag","contentType"];for(a=a||{},a.hasOwnProperty("agent")&&(this.agent=a.agent instanceof TinCan.Agent?a.agent:new TinCan.Agent(a.agent)),b=0;b<c.length;b+=1)a.hasOwnProperty(c[b])&&null!==a[c[b]]&&(this[c[b]]=a[c[b]]);this.updated=!1}},a.fromJSON=function(b){a.prototype.log("fromJSON");var c=JSON.parse(b);return new a(c)}}(),function(){"use strict";var a=TinCan.About=function(a){this.log("constructor"),this.version=null,this.init(a)};a.prototype={LOG_SRC:"About",log:TinCan.prototype.log,init:function(a){this.log("init");var b,c=["version"];for(a=a||{},b=0;b<c.length;b+=1)a.hasOwnProperty(c[b])&&null!==a[c[b]]&&(this[c[b]]=a[c[b]])}},a.fromJSON=function(b){a.prototype.log("fromJSON");var c=JSON.parse(b);return new a(c)}}(),function(){"use strict";var LOG_SRC="Environment.Browser",nativeRequest,xdrRequest,requestComplete,__delay,__IEModeConversion,env={},log=TinCan.prototype.log;return"undefined"==typeof window?void log("'window' not defined",LOG_SRC):(window.JSON||(window.JSON={parse:function(sJSON){return eval("("+sJSON+")")},stringify:function(a){var b,c,d="";if(a instanceof Object){if(a.constructor===Array){for(b=0;b<a.length;b+=1)d+=this.stringify(a[b])+",";return"["+d.substr(0,d.length-1)+"]"}if(a.toString!==Object.prototype.toString)return'"'+a.toString().replace(/"/g,"\\$&")+'"';for(c in a)a.hasOwnProperty(c)&&(d+='"'+c.replace(/"/g,"\\$&")+'":'+this.stringify(a[c])+",");return"{"+d.substr(0,d.length-1)+"}"}return"string"==typeof a?'"'+a.replace(/"/g,"\\$&")+'"':String(a)}}),Date.now||(Date.now=function(){return+new Date}),env.hasCORS=!1,env.useXDR=!1,"undefined"!=typeof XMLHttpRequest&&"undefined"!=typeof(new XMLHttpRequest).withCredentials?env.hasCORS=!0:"undefined"!=typeof XDomainRequest&&(env.hasCORS=!0,env.useXDR=!0),requestComplete=function(a,b,c){log("requestComplete: "+c.finished+", xhr.status: "+a.status,LOG_SRC);var d,e,f;return f="undefined"==typeof a.status?c.fakeStatus:1223===a.status?204:a.status,c.finished?d:(c.finished=!0,e=b.ignore404&&404===f,f>=200&&400>f||e?b.callback?void b.callback(null,a):d={err:null,xhr:a}:(d={err:f,xhr:a},0===f?log("[warning] There was a problem communicating with the Learning Record Store. Aborted, offline, or invalid CORS endpoint ("+f+")",LOG_SRC):log("[warning] There was a problem communicating with the Learning Record Store. ("+f+" | "+a.responseText+")",LOG_SRC),b.callback&&b.callback(f,a),d))},__IEModeConversion=function(a,b,c,d){var e;for(e in b)b.hasOwnProperty(e)&&c.push(e+"="+encodeURIComponent(b[e]));return"undefined"!=typeof d.data&&c.push("content="+encodeURIComponent(d.data)),b["Content-Type"]="application/x-www-form-urlencoded",a+="?method="+d.method,d.method="POST",d.params={},c.length>0&&(d.data=c.join("&")),a
},nativeRequest=function(a,b,c){log("sendRequest using XMLHttpRequest",LOG_SRC);var d,e,f,g,h=this,i=[],j={finished:!1,fakeStatus:null},k="undefined"!=typeof c.callback,l=a,m=2048;log("sendRequest using XMLHttpRequest - async: "+k,LOG_SRC);for(e in c.params)c.params.hasOwnProperty(e)&&i.push(e+"="+encodeURIComponent(c.params[e]));if(i.length>0&&(l+="?"+i.join("&")),l.length>=m){if("undefined"!=typeof b["Content-Type"]&&"application/json"!==b["Content-Type"])return g=new Error("Unsupported content type for IE Mode request"),"undefined"!=typeof c.callback&&c.callback(g,null),{err:g,xhr:null};if("undefined"==typeof c.method)return g=new Error("method must not be undefined for an IE Mode Request conversion"),"undefined"!=typeof c.callback&&c.callback(g,null),{err:g,xhr:null};a=__IEModeConversion(a,b,i,c)}else a=l;d="undefined"!=typeof XMLHttpRequest?new XMLHttpRequest:new ActiveXObject("Microsoft.XMLHTTP"),d.open(c.method,a,k);for(e in b)b.hasOwnProperty(e)&&d.setRequestHeader(e,b[e]);"undefined"!=typeof c.data&&(c.data+=""),f=c.data,k&&(d.onreadystatechange=function(){log("xhr.onreadystatechange - xhr.readyState: "+d.readyState,LOG_SRC),4===d.readyState&&requestComplete.call(h,d,c,j)});try{d.send(f)}catch(n){log("sendRequest caught send exception: "+n,LOG_SRC)}return k?d:requestComplete.call(this,d,c,j)},xdrRequest=function(a,b,c){log("sendRequest using XDomainRequest",LOG_SRC);var d,e,f,g,h,i=this,j=[],k={finished:!1,fakeStatus:null};if("undefined"!=typeof b["Content-Type"]&&"application/json"!==b["Content-Type"])return h=new Error("Unsupported content type for IE Mode request"),c.callback?(c.callback(h,null),null):{err:h,xhr:null};a+="?method="+c.method;for(f in c.params)c.params.hasOwnProperty(f)&&j.push(f+"="+encodeURIComponent(c.params[f]));for(f in b)b.hasOwnProperty(f)&&j.push(f+"="+encodeURIComponent(b[f]));"undefined"!=typeof c.data&&j.push("content="+encodeURIComponent(c.data)),e=j.join("&"),d=new XDomainRequest,d.open("POST",a),c.callback?(d.onload=function(){k.fakeStatus=200,requestComplete.call(i,d,c,k)},d.onerror=function(){k.fakeStatus=400,requestComplete.call(i,d,c,k)},d.ontimeout=function(){k.fakeStatus=0,requestComplete.call(i,d,c,k)}):(d.onload=function(){k.fakeStatus=200},d.onerror=function(){k.fakeStatus=400},d.ontimeout=function(){k.fakeStatus=0}),d.onprogress=function(){},d.timeout=0;try{d.send(e)}catch(l){log("sendRequest caught send exception: "+l,LOG_SRC)}if(!c.callback){for(g=1e4+Date.now(),log("sendRequest - until: "+g+", finished: "+k.finished,LOG_SRC);Date.now()<g&&null===k.fakeStatus;)__delay();return requestComplete.call(i,d,c,k)}return d},TinCan.LRS.prototype._initByEnvironment=function(a){log("_initByEnvironment",LOG_SRC);var b,c,d,e;if(a=a||{},this._makeRequest=nativeRequest,this._IEModeConversion=__IEModeConversion,b=this.endpoint.toLowerCase().match(/([A-Za-z]+:)\/\/([^:\/]+):?(\d+)?(\/.*)?$/),null===b)throw log("[error] LRS invalid: failed to divide URL parts",LOG_SRC),{code:4,mesg:"LRS invalid: failed to divide URL parts"};if(d=location.port,c=location.protocol.toLowerCase()===b[1],""===d&&(d="http:"===location.protocol.toLowerCase()?"80":"https:"===location.protocol.toLowerCase()?"443":""),e=!c||location.hostname.toLowerCase()!==b[2]||d!==(null!==b[3]&&"undefined"!=typeof b[3]&&""!==b[3]?b[3]:"http:"===b[1]?"80":"https:"===b[1]?"443":""))if(env.hasCORS){if(env.useXDR&&c)this._makeRequest=xdrRequest;else if(env.useXDR&&!c){if(!a.allowFail)throw log("[error] LRS invalid: cross domain request for differing scheme in IE with XDR",LOG_SRC),{code:2,mesg:"LRS invalid: cross domain request for differing scheme in IE with XDR"};log("[warning] LRS invalid: cross domain request for differing scheme in IE with XDR (allowed to fail)",LOG_SRC)}}else{if(!a.allowFail)throw log("[error] LRS invalid: cross domain requests not supported in this browser",LOG_SRC),{code:1,mesg:"LRS invalid: cross domain requests not supported in this browser"};log("[warning] LRS invalid: cross domain requests not supported in this browser (allowed to fail)",LOG_SRC)}},__delay=function(){var a=new XMLHttpRequest,b=window.location+"?forcenocache="+TinCan.Utils.getUUID();a.open("GET",b,!1),a.send(null)},void(TinCan.LRS.syncEnabled=!0))}();