(function(m){function l(){function l(a,b){"undefined"==typeof a&&(a={});for(var c in b)a[c]=b[c];return a}function m(a){var b=[],c;for(c in a)a.hasOwnProperty(c)&&b.push(encodeURIComponent(c)+"="+encodeURIComponent(a[c]));return b.join("&")}function n(a){var b={"3gp":"video/3gpp",aif:"audio/x-aiff",aifc:"audio/x-aiff",aiff:"audio/x-aiff",asf:"video/x-ms-asf",asr:"video/x-ms-asf",asx:"video/x-ms-asf",au:"audio/basic",avi:"video/x-msvideo",bin:"application/octet-stream",bmp:"image/bmp",c:"text/plain",
"class":"application/octet-stream",cmx:"image/x-cmx",cod:"image/cis-cod",css:"text/css",exe:"application/octet-stream",flv:"video/x-flv",f4v:"video/x-flv",gif:"image/gif",gtar:"application/x-gtar",gz:"application/x-gzip",h:"text/plain",htm:"text/html",html:"text/html",ico:"image/x-icon",ief:"image/ief",jfif:"image/pipeg",jpe:"image/jpeg",jpeg:"image/jpeg",jpg:"image/jpeg",js:"application/x-javascript",lsf:"video/x-la-asf",lsx:"video/x-la-asf",m3u:"audio/x-mpegurl",m4v:"video/x-m4v",mid:"audio/mid",
mov:"video/quicktime",movie:"video/x-sgi-movie",mp2:"video/mpeg",mp3:"audio/mpeg",mp4:"video/mp4",mpa:"video/mpeg",mpe:"video/mpeg",mpeg:"video/mpeg",mpg:"video/mpeg",mpv2:"video/mpeg",mxf:"video/mxf",ogg:"audio/ogg",pbm:"image/x-portable-bitmap",pdf:"application/pdf",pgm:"image/x-portable-graymap",png:"image/png",ppm:"image/x-portable-pixmap",qt:"video/quicktime",ra:"audio/x-pn-realaudio",ram:"audio/x-pn-realaudio",ras:"image/x-cmu-raster",rgb:"image/x-rgb",rmi:"audio/mid",rtx:"text/richtext",sh:"application/x-sh",
snd:"audio/basic",srt:"text/plain",stm:"text/html",svg:"image/svg+xml",swf:"application/x-shockwave-flash",tar:"application/x-tar",tex:"application/x-tex",tgz:"application/x-compressed",tif:"image/tiff",tiff:"image/tiff",txt:"text/plain",uls:"text/iuls",wav:"audio/x-wav",webm:"video/webm",wma:"audio/x-ms-wma",wmv:"video/x-ms-wmv",xbm:"image/x-xbitmap",xpm:"image/x-xpixmap",xwd:"image/x-xwindowdump",z:"application/x-compress",zip:"application/zip"};a=a.name.split(".");a=2<=a.length?""==a[0]?"n/a":
a[a.length-1]:"n/a";a&&(a=a.toLowerCase());return a in b?b[a]:"n/a"}function q(a){switch(n(a).split("/")[0]){case "video":return"VIDEO";case "audio":return"AUDIO";case "image":return"IMAGE";case "text":return"CAPTION";default:return"OTHER"}}var h=function(a){this.LIQUID_BASE_URL="//api.sambavideos.sambatech.com/v1";this.LIQUID_CREATE_MEDIA="/medias/widget";this.QUALIFIER_MAP={AUDIO:[],VIDEO:[]};this.ERROR_MAP={onCreateMedia:"Could not create media. Please try again",onUploadId:"Could not initialize the upload to our servers. Please try again",
onPartSendEndAttemp:"Could not send the file to our servers. Please try again",onPartSend:"Could not send one of the file's part to our servers. Trying again in 5 seconds"};this.TIMEOUT=6E5;this.wEvents=k;this.options=l({maxConcurrentParts:5,retries:3,template:"bootstrap",progressIntervalMS:500},a);this.multipartSupported=!("undefined"==typeof File||"undefined"==typeof Blob||!(Blob.prototype.webkitSlice||Blob.prototype.mozSlice||Blob.prototype.slice));if(!0!==this.multipartSupported)return alert("Browser isn't supported. Please update to Chrome 15+ or Firefox 14+"),
!1;this.wFiles=[];this.concurrentParts=0;this.mustCalculateConcurrentParts=!0;this._init()};h.prototype._init=function(){for(var a=document.getElementsByTagName("script"),b=a.length;b--;)null!==a[b].getAttribute("samba-upload-widget")&&this._appendWidget(a[b].parentNode);"bootstrap"===this.options.template&&this._events()};h.prototype._appendWidget=function(a){var b=this,c=document.createElement("div");c.innerHTML="bootstrap"===b.options.template?b._getBootstrapTemplate():b._getSimpleTemplate();a.appendChild(c);
document.querySelector("#samba-upload").addEventListener("change",function(a){for(var c=a.target.files.length;c--;)b._add(a.target.files[c])})};h.prototype._getBootstrapTemplate=function(){return'<form enctype="multipart/form-data"><p><a class="btn btn-large btn-success"><input name="file" id="samba-upload" type="file" value="Upload" multiple/></a></p><div class="samba-progress-container"></div></form>'};h.prototype._getSimpleTemplate=function(){return'<form enctype="multipart/form-data"><input name="file" type="file" id="samba-upload" value="Upload" multiple></form>'};
h.prototype._events=function(){"bootstrap"===this.options.template&&(k.addEventListener("media_created",function(a){document.querySelector("div.samba-progress-container").innerHTML=document.querySelector("div.samba-progress-container").innerHTML+'<div class="progress samba-progress"><div class="progress-bar media-'+a.media.id+'" role="progressbar" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100" style="width: 0%;">0%</div></div>'}),k.addEventListener("upload_progress",function(a){var b=document.querySelector("div.progress-bar.media-"+
a.media.id);a=(a.media.totalSent/a.media.file.size*100).toFixed(0)+"%";b.style.width=a;b.innerHTML=a}),k.addEventListener("upload_completed",function(a){var b=document.querySelector("div.progress-bar.media-"+a.media.id);b.style.width="100%";b.innerHTML="media upload #"+a.media.id+" completed"}),k.addEventListener("error",function(a){document.querySelector("div.samba-progress").innerHTML='<div class="progress-bar media-'+a.media.id+'" role="progressbar" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100" style="width: 100%; background-color: red;">Error. Please try again</div>'}))};
h.prototype._add=function(a){var b=this;a={file:a,totalSent:0,status:"PENDING",xhr:[]};a.queryParams=m({type:"multipart",size:a.file.size,name:a.file.name,mime:n(a.file)});(function(a){var d=b.LIQUID_BASE_URL+b.LIQUID_CREATE_MEDIA+"?uk="+b.options.upload_key,e=JSON.stringify({qualifier:q(a.file)}),f=new XMLHttpRequest;f.open("POST",d,!0);f.setRequestHeader("Content-Type","application/json;charset=UTF-8");f.send(e);f.onreadystatechange=function(){4==f.readyState&&(200==f.status?(a=l(a,JSON.parse(f.responseText)),
b.wFiles.push(a),1==b.wFiles.length&&b._getUploadId(a),k.dispatch("media_created",a)):(a.status="ERROR",a.error={response:JSON.parse(f.responseText),type:b.ERROR_MAP.onCreateMedia},k.dispatch("error",a)))}})(a)};h.prototype._getUploadId=function(a){var b=this,c=new XMLHttpRequest;c.open("POST",a.uploadProxyUrl+"&"+a.queryParams,!0);c.setRequestHeader("Content-Type","application/json;charset=UTF-8");c.send();c.onreadystatechange=function(){if(4==c.readyState)if(200==c.status){a.uploadInfo=JSON.parse(c.responseText);
var d=a.uploadInfo,e;e=a.uploadProxyUrl.split("?")[1];e=JSON.parse('{"'+decodeURI(e.replace(/&/g,'","').replace(/=/g,'":"'))+'"}');d.key=e.key;a.uploadInfo.rawUrl=a.uploadProxyUrl.split("?")[0]+"/"+a.uploadInfo.id;b._initUpload(a)}else if(500===c.status||0===c.status)a.status="ERROR",a.error={response:0<c.responseText.length?JSON.parse(c.responseText):"",type:b.ERROR_MAP.onUploadId},k.dispatch("error",a)}};h.prototype.initiateParts=function(a,b,c){for(var d=[],e=0;e<c;e++)d[e]={status:"PENDING",start:e*
b,end:(e+1)*b,attemps:0,loadedBytes:0,loadedBytesPrevious:null,isEmpty:0===a.size,number:e+1,startTime:null,endTime:null};return d};h.prototype._initUpload=function(a){a.status="UPLOADING";a.parts=this.initiateParts(a.file,a.uploadInfo.partSize,a.uploadInfo.parts);if(this.mustCalculateConcurrentParts)a.parts[0]&&this._uploadParts(a,a.parts[0]);else for(var b=this.options.maxConcurrentParts-this.concurrentParts;b--;)a.parts[b]&&this._uploadParts(a,a.parts[b]);k.dispatch("upload_initiated",a)};h.prototype._uploadParts=
function(a,b){function c(a,b){if(b.attemps<d.options.retries)b.attemps++,d._uploadParts(a,b),k.dispatch("retrying_part",a,b);else{var c="";g.responseText&&(c=JSON.parse(g.responseText));a.status="ERROR";a.error={response:c,type:d.ERROR_MAP.onPartSendEndAttemp};d.abortUpload(a);k.dispatch("error",a)}}var d=this,e=a.file[a.file.slice?"slice":a.file.mozSlice?"mozSlice":"webkitSlice"](b.start,b.end);d.concurrentParts++;b.status="UPLOADING";var f=a.uploadInfo.rawUrl+"/"+b.number+"?key="+a.uploadInfo.key+
"&token="+encodeURIComponent(a.uploadInfo.token),g=new XMLHttpRequest;g.timeout=d.TIMEOUT;g.onreadystatechange=function(){if(4==g.readyState)if(d.concurrentParts--,b.endTime=new Date,200==g.status){b.status="COMPLETED";d._calcMaxConcurrentParts(a,b);for(var e=0,f=a.parts.length;f--;)"PENDING"==a.parts[f].status&&d.concurrentParts<d.options.maxConcurrentParts?d._uploadParts(a,a.parts[f]):"COMPLETED"==a.parts[f].status&&e++;if(e===a.parts.length&&(d.completeNotify(a),d.concurrentParts<d.options.maxConcurrentParts))for(f=
d.wFiles.length;f--;)if("PENDING"===d.wFiles[f].status){d.wFiles[f].uploadInfo?d._initUpload(d.wFiles[f]):d._getUploadId(d.wFiles[f]);break}}else c(a,b)};g.upload.onprogress=function(c){c.lengthComputable&&(a.totalSent+=c.loaded-b.loadedBytes,b.loadedBytes=c.loaded,k.dispatch("upload_progress",a))};g.ontimeout=function(){c(a,b)};g.open("POST",f,!0);g.send(e);a.xhr.push(g);b.startTime=new Date};h.prototype._calcMaxConcurrentParts=function(a,b){if(!(1>=a.uploadInfo.parts)&&this.mustCalculateConcurrentParts){var c=
this._calcBandwidth(b);null!=c&&(this.options.maxConcurrentParts=7E5>c?1:1E6>c?2:15E5>c?3:2E6>c?4:25E5>c?5:6,this.mustCalculateConcurrentParts=!1)}};h.prototype._calcBandwidth=function(a){var b=a.endTime.getTime()-a.startTime.getTime();a=a.loadedBytes;return 0>=b||null==a?null:8*a/(b/1E3)};h.prototype.abortUpload=function(a){for(a=a.xhr.length;a--;)try{xhr[a].abort()}catch(b){}};h.prototype.completeNotify=function(a){var b=this,c=b.LIQUID_BASE_URL+a.widgetNotifyPath+"?uk="+b.options.upload_key,d=
JSON.stringify({type:"UPLOAD",status:"COMPLETED",input:{path:a.uploadInfo.path,format:n(a.file),fileSize:a.file.size,assetId:a.uploadInfo.assetId,assetName:a.uploadInfo.assetName,container:a.uploadInfo.container}}),e=new XMLHttpRequest;e.open("POST",c,!0);e.setRequestHeader("Content-Type","application/json;charset=UTF-8");e.send(d);e.onreadystatechange=function(){if(4==e.readyState)if(200==e.status){k.dispatch("upload_completed",a);for(var c=b.wFiles.length;c--;)b.wFiles[c].id==a.id&&b.wFiles.splice(c,
1)}else if(500===e.status||0===e.status)a.status="ERROR",a.error={response:"Error creating media",type:b.ERROR_MAP.onCreateMedia},k.dispatch("error",a)}};var p={},p=function(){this.listeners={}};p.prototype={addEventListener:function(a,b,c){for(var d=[],e=arguments.length,f=0;f<e;f++)d.push(arguments[f]);d=3<d.length?d.splice(3,d.length-1):[];"undefined"!=typeof this.listeners[a]?this.listeners[a].push({scope:c,callback:b,args:d}):this.listeners[a]=[{scope:c,callback:b,args:d}]},removeEventListener:function(a,
b,c){if("undefined"!=typeof this.listeners[a]){for(var d=this.listeners[a].length,e=[],f=0;f<d;f++){var g=this.listeners[a][f];g.scope==c&&g.callback==b||e.push(g)}this.listeners[a]=e}},dispatch:function(a,b){for(var c={type:a,media:b},d=[],e=arguments.length,f=0;f<e;f++)d.push(arguments[f]);d=2<d.length?d.splice(2,d.length-1):[];d=[c].concat(d);if("undefined"!=typeof this.listeners[a])for(c=this.listeners[a].length,f=0;f<c;f++)if((e=this.listeners[a][f])&&e.callback){var g=d.concat(e.args);e.callback.apply(e.scope,
g)}}};var k=new p;return h}"object"===typeof exports?module.exports=l():"function"===typeof define&&define.amd?define([],l):m.SambaUploadWidget=l()})(this);