text: // Fine Uploader 5.16.0 - MIT licensed. http://fineuploader.com
  
  
  
  (function(global) {
  
  
      var qq = function(element) {
          "use strict";
          return {
              hide: function() {
                  element.style.display = "none";
                  return this;
              },
              attach: function(type, fn) {
                  if (element.addEventListener) {
                      element.addEventListener(type, fn, false);
                  } else if (element.attachEvent) {
                      element.attachEvent("on" + type, fn);
                  }
                  return function() {
                      qq(element).detach(type, fn);
                  };
              },
              detach: function(type, fn) {
                  if (element.removeEventListener) {
                      element.removeEventListener(type, fn, false);
                  } else if (element.attachEvent) {
                      element.detachEvent("on" + type, fn);
                  }
                  return this;
              },
              contains: function(descendant) {
                  if (!descendant) {
                      return false;
                  }
                  if (element === descendant) {
                      return true;
                  }
                  if (element.contains) {
                      return element.contains(descendant);
                  } else {
                      return !!(descendant.compareDocumentPosition(element) & 8);
                  }
              },
              insertBefore: function(elementB) {
                  elementB.parentNode.insertBefore(element, elementB);
                  return this;
              },
              remove: function() {
                  element.parentNode.removeChild(element);
                  return this;
              },
              css: function(styles) {
                  if (element.style == null) {
                      throw new qq.Error("Can't apply style to node as it is not on the HTMLElement prototype chain!");
                  }
                  if (styles.opacity != null) {
                      if (typeof element.style.opacity !== "string" && typeof element.filters !== "undefined") {
                          styles.filter = "alpha(opacity=" + Math.round(100 * styles.opacity) + ")";
                      }
                  }
                  qq.extend(element.style, styles);
                  return this;
              },
              hasClass: function(name, considerParent) {
                  var re = new RegExp("(^| )" + name + "( |$)");
                  return re.test(element.className) || !!(considerParent && re.test(element.parentNode.className));
              },
              addClass: function(name) {
                  if (!qq(element).hasClass(name)) {
                      element.className += " " + name;
                  }
                  return this;
              },
              removeClass: function(name) {
                  var re = new RegExp("(^| )" + name + "( |$)");
                  element.className = element.className.replace(re, " ").replace(/^\s+|\s+$/g, "");
                  return this;
              },
              getByClass: function(className, first) {
                  var candidates, result = [];
                  if (first && element.querySelector) {
                      return element.querySelector("." + className);
                  } else if (element.querySelectorAll) {
                      return element.querySelectorAll("." + className);
                  }
                  candidates = element.getElementsByTagName("*");
                  qq.each(candidates, function(idx, val) {
                      if (qq(val).hasClass(className)) {
                          result.push(val);
                      }
                  });
                  return first ? result[0] : result;
              },
              getFirstByClass: function(className) {
                  return qq(element).getByClass(className, true);
              },
              children: function() {
                  var children = [], child = element.firstChild;
                  while (child) {
                      if (child.nodeType === 1) {
                          children.push(child);
                      }
                      child = child.nextSibling;
                  }
                  return children;
              },
              setText: function(text) {
                  element.innerText = text;
                  element.textContent = text;
                  return this;
              },
              clearText: function() {
                  return qq(element).setText("");
              },
              hasAttribute: function(attrName) {
                  var attrVal;
                  if (element.hasAttribute) {
                      if (!element.hasAttribute(attrName)) {
                          return false;
                      }
                      return /^false$/i.exec(element.getAttribute(attrName)) == null;
                  } else {
                      attrVal = element[attrName];
                      if (attrVal === undefined) {
                          return false;
                      }
                      return /^false$/i.exec(attrVal) == null;
                  }
              }
          };
      };
      (function() {
          "use strict";
          qq.canvasToBlob = function(canvas, mime, quality) {
              return qq.dataUriToBlob(canvas.toDataURL(mime, quality));
          };
          qq.dataUriToBlob = function(dataUri) {
              var arrayBuffer, byteString, createBlob = function(data, mime) {
                  var BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder || window.MSBlobBuilder, blobBuilder = BlobBuilder && new BlobBuilder();
                  if (blobBuilder) {
                      blobBuilder.append(data);
                      return blobBuilder.getBlob(mime);
                  } else {
                      return new Blob([ data ], {
                          type: mime
                      });
                  }
              }, intArray, mimeString;
              if (dataUri.split(",")[0].indexOf("base64") >= 0) {
                  byteString = atob(dataUri.split(",")[1]);
              } else {
                  byteString = decodeURI(dataUri.split(",")[1]);
              }
              mimeString = dataUri.split(",")[0].split(":")[1].split(";")[0];
              arrayBuffer = new ArrayBuffer(byteString.length);
              intArray = new Uint8Array(arrayBuffer);
              qq.each(byteString, function(idx, character) {
                  intArray[idx] = character.charCodeAt(0);
              });
              return createBlob(arrayBuffer, mimeString);
          };
          qq.log = function(message, level) {
              if (window.console) {
                  if (!level || level === "info") {
                      window.console.log(message);
                  } else {
                      if (window.console[level]) {
                          window.console[level](message);
                      } else {
                          window.console.log("<" + level + "> " + message);
                      }
                  }
              }
          };
          qq.isObject = function(variable) {
              return variable && !variable.nodeType && Object.prototype.toString.call(variable) === "[object Object]";
          };
          qq.isFunction = function(variable) {
              return typeof variable === "function";
          };
          qq.isArray = function(value) {
              return Object.prototype.toString.call(value) === "[object Array]" || value && window.ArrayBuffer && value.buffer && value.buffer.constructor === ArrayBuffer;
          };
          qq.isItemList = function(maybeItemList) {
              return Object.prototype.toString.call(maybeItemList) === "[object DataTransferItemList]";
          };
          qq.isNodeList = function(maybeNodeList) {
              return Object.prototype.toString.call(maybeNodeList) === "[object NodeList]" || maybeNodeList.item && maybeNodeList.namedItem;
          };
          qq.isString = function(maybeString) {
              return Object.prototype.toString.call(maybeString) === "[object String]";
          };
          qq.trimStr = function(string) {
              if (String.prototype.trim) {
                  return string.trim();
              }
              return string.replace(/^\s+|\s+$/g, "");
          };
          qq.format = function(str) {
              var args = Array.prototype.slice.call(arguments, 1), newStr = str, nextIdxToReplace = newStr.indexOf("{}");
              qq.each(args, function(idx, val) {
                  var strBefore = newStr.substring(0, nextIdxToReplace), strAfter = newStr.substring(nextIdxToReplace + 2);
                  newStr = strBefore + val + strAfter;
                  nextIdxToReplace = newStr.indexOf("{}", nextIdxToReplace + val.length);
                  if (nextIdxToReplace < 0) {
                      return false;
                  }
              });
              return newStr;
          };
          qq.isFile = function(maybeFile) {
              return window.File && Object.prototype.toString.call(maybeFile) === "[object File]";
          };
          qq.isFileList = function(maybeFileList) {
              return window.FileList && Object.prototype.toString.call(maybeFileList) === "[object FileList]";
          };
          qq.isFileOrInput = function(maybeFileOrInput) {
              return qq.isFile(maybeFileOrInput) || qq.isInput(maybeFileOrInput);
          };
          qq.isInput = function(maybeInput, notFile) {
              var evaluateType = function(type) {
                  var normalizedType = type.toLowerCase();
                  if (notFile) {
                      return normalizedType !== "file";
                  }
                  return normalizedType === "file";
              };
              if (window.HTMLInputElement) {
                  if (Object.prototype.toString.call(maybeInput) === "[object HTMLInputElement]") {
                      if (maybeInput.type && evaluateType(maybeInput.type)) {
                          return true;
                      }
                  }
              }
              if (maybeInput.tagName) {
                  if (maybeInput.tagName.toLowerCase() === "input") {
                      if (maybeInput.type && evaluateType(maybeInput.type)) {
                          return true;
                      }
                  }
              }
              return false;
          };
          qq.isBlob = function(maybeBlob) {
              if (window.Blob && Object.prototype.toString.call(maybeBlob) === "[object Blob]") {
                  return true;
              }
          };
          qq.isXhrUploadSupported = function() {
              var input = document.createElement("input");
              input.type = "file";
              return input.multiple !== undefined && typeof File !== "undefined" && typeof FormData !== "undefined" && typeof qq.createXhrInstance().upload !== "undefined";
          };
          qq.createXhrInstance = function() {
              if (window.XMLHttpRequest) {
                  return new XMLHttpRequest();
              }
              try {
                  return new ActiveXObject("MSXML2.XMLHTTP.3.0");
              } catch (error) {
                  qq.log("Neither XHR or ActiveX are supported!", "error");
                  return null;
              }
          };
          qq.isFolderDropSupported = function(dataTransfer) {
              return dataTransfer.items && dataTransfer.items.length > 0 && dataTransfer.items[0].webkitGetAsEntry;
          };
          qq.isFileChunkingSupported = function() {
              return !qq.androidStock() && qq.isXhrUploadSupported() && (File.prototype.slice !== undefined || File.prototype.webkitSlice !== undefined || File.prototype.mozSlice !== undefined);
          };
          qq.sliceBlob = function(fileOrBlob, start, end) {
              var slicer = fileOrBlob.slice || fileOrBlob.mozSlice || fileOrBlob.webkitSlice;
              return slicer.call(fileOrBlob, start, end);
          };
          qq.arrayBufferToHex = function(buffer) {
              var bytesAsHex = "", bytes = new Uint8Array(buffer);
              qq.each(bytes, function(idx, byt) {
                  var byteAsHexStr = byt.toString(16);
                  if (byteAsHexStr.length < 2) {
                      byteAsHexStr = "0" + byteAsHexStr;
                  }
                  bytesAsHex += byteAsHexStr;
              });
              return bytesAsHex;
          };
          qq.readBlobToHex = function(blob, startOffset, length) {
              var initialBlob = qq.sliceBlob(blob, startOffset, startOffset + length), fileReader = new FileReader(), promise = new qq.Promise();
              fileReader.onload = function() {
                  promise.success(qq.arrayBufferToHex(fileReader.result));
              };
              fileReader.onerror = promise.failure;
              fileReader.readAsArrayBuffer(initialBlob);
              return promise;
          };
          qq.extend = function(first, second, extendNested) {
              qq.each(second, function(prop, val) {
                  if (extendNested && qq.isObject(val)) {
                      if (first[prop] === undefined) {
                          first[prop] = {};
                      }
                      qq.extend(first[prop], val, true);
                  } else {
                      first[prop] = val;
                  }
              });
              return first;
          };
          qq.override = function(target, sourceFn) {
              var super_ = {}, source = sourceFn(super_);
              qq.each(source, function(srcPropName, srcPropVal) {
                  if (target[srcPropName] !== undefined) {
                      super_[srcPropName] = target[srcPropName];
                  }
                  target[srcPropName] = srcPropVal;
              });
              return target;
          };
          qq.indexOf = function(arr, elt, from) {
              if (arr.indexOf) {
                  return arr.indexOf(elt, from);
              }
              from = from || 0;
              var len = arr.length;
              if (from < 0) {
                  from += len;
              }
              for (;from < len; from += 1) {
                  if (arr.hasOwnProperty(from) && arr[from] === elt) {
                      return from;
                  }
              }
              return -1;
          };
          qq.getUniqueId = function() {
              return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function(c) {
                  var r = Math.random() * 16 | 0, v = c == "x" ? r : r & 3 | 8;
                  return v.toString(16);
              });
          };
          qq.ie = function() {
              return navigator.userAgent.indexOf("MSIE") !== -1 || navigator.userAgent.indexOf("Trident") !== -1;
          };
          qq.ie7 = function() {
              return navigator.userAgent.indexOf("MSIE 7") !== -1;
          };
          qq.ie8 = function() {
              return navigator.userAgent.indexOf("MSIE 8") !== -1;
          };
          qq.ie10 = function() {
              return navigator.userAgent.indexOf("MSIE 10") !== -1;
          };
          qq.ie11 = function() {
              return qq.ie() && navigator.userAgent.indexOf("rv:11") !== -1;
          };
          qq.edge = function() {
              return navigator.userAgent.indexOf("Edge") >= 0;
          };
          qq.safari = function() {
              return navigator.vendor !== undefined && navigator.vendor.indexOf("Apple") !== -1;
          };
          qq.chrome = function() {
              return navigator.vendor !== undefined && navigator.vendor.indexOf("Google") !== -1;
          };
          qq.opera = function() {
              return navigator.vendor !== undefined && navigator.vendor.indexOf("Opera") !== -1;
          };
          qq.firefox = function() {
              return !qq.edge() && !qq.ie11() && navigator.userAgent.indexOf("Mozilla") !== -1 && navigator.vendor !== undefined && navigator.vendor === "";
          };
          qq.windows = function() {
              return navigator.platform === "Win32";
          };
          qq.android = function() {
              return navigator.userAgent.toLowerCase().indexOf("android") !== -1;
          };
          qq.androidStock = function() {
              return qq.android() && navigator.userAgent.toLowerCase().indexOf("chrome") < 0;
          };
          qq.ios6 = function() {
              return qq.ios() && navigator.userAgent.indexOf(" OS 6_") !== -1;
          };
          qq.ios7 = function() {
              return qq.ios() && navigator.userAgent.indexOf(" OS 7_") !== -1;
          };
          qq.ios8 = function() {
              return qq.ios() && navigator.userAgent.indexOf(" OS 8_") !== -1;
          };
          qq.ios800 = function() {
              return qq.ios() && navigator.userAgent.indexOf(" OS 8_0 ") !== -1;
          };
          qq.ios = function() {
              return navigator.userAgent.indexOf("iPad") !== -1 || navigator.userAgent.indexOf("iPod") !== -1 || navigator.userAgent.indexOf("iPhone") !== -1;
          };
          qq.iosChrome = function() {
              return qq.ios() && navigator.userAgent.indexOf("CriOS") !== -1;
          };
          qq.iosSafari = function() {
              return qq.ios() && !qq.iosChrome() && navigator.userAgent.indexOf("Safari") !== -1;
          };
          qq.iosSafariWebView = function() {
              return qq.ios() && !qq.iosChrome() && !qq.iosSafari();
          };
          qq.preventDefault = function(e) {
              if (e.preventDefault) {
                  e.preventDefault();
              } else {
                  e.returnValue = false;
              }
          };
          qq.toElement = function() {
              var div = document.createElement("div");
              return function(html) {
                  div.innerHTML = html;
                  var element = div.firstChild;
                  div.removeChild(element);
                  return element;
              };
          }();
          qq.each = function(iterableItem, callback) {
              var keyOrIndex, retVal;
              if (iterableItem) {
                  if (window.Storage && iterableItem.constructor === window.Storage) {
                      for (keyOrIndex = 0; keyOrIndex < iterableItem.length; keyOrIndex++) {
                          retVal = callback(iterableItem.key(keyOrIndex), iterableItem.getItem(iterableItem.key(keyOrIndex)));
                          if (retVal === false) {
                              break;
                          }
                      }
                  } else if (qq.isArray(iterableItem) || qq.isItemList(iterableItem) || qq.isNodeList(iterableItem)) {
                      for (keyOrIndex = 0; keyOrIndex < iterableItem.length; keyOrIndex++) {
                          retVal = callback(keyOrIndex, iterableItem[keyOrIndex]);
                          if (retVal === false) {
                              break;
                          }
                      }
                  } else if (qq.isString(iterableItem)) {
                      for (keyOrIndex = 0; keyOrIndex < iterableItem.length; keyOrIndex++) {
                          retVal = callback(keyOrIndex, iterableItem.charAt(keyOrIndex));
                          if (retVal === false) {
                              break;
                          }
                      }
                  } else {
                      for (keyOrIndex in iterableItem) {
                          if (Object.prototype.hasOwnProperty.call(iterableItem, keyOrIndex)) {
                              retVal = callback(keyOrIndex, iterableItem[keyOrIndex]);
                              if (retVal === false) {
                                  break;
                              }
                          }
                      }
                  }
              }
          };
          qq.bind = function(oldFunc, context) {
              if (qq.isFunction(oldFunc)) {
                  var args = Array.prototype.slice.call(arguments, 2);
                  return function() {
                      var newArgs = qq.extend([], args);
                      if (arguments.length) {
                          newArgs = newArgs.concat(Array.prototype.slice.call(arguments));
                      }
                      return oldFunc.apply(context, newArgs);
                  };
              }
              throw new Error("first parameter must be a function!");
          };
          qq.obj2url = function(obj, temp, prefixDone) {
              var uristrings = [], prefix = "&", add = function(nextObj, i) {
                  var nextTemp = temp ? /\[\]$/.test(temp) ? temp : temp + "[" + i + "]" : i;
                  if (nextTemp !== "undefined" && i !== "undefined") {
                      uristrings.push(typeof nextObj === "object" ? qq.obj2url(nextObj, nextTemp, true) : Object.prototype.toString.call(nextObj) === "[object Function]" ? encodeURIComponent(nextTemp) + "=" + encodeURIComponent(nextObj()) : encodeURIComponent(nextTemp) + "=" + encodeURIComponent(nextObj));
                  }
              };
              if (!prefixDone && temp) {
                  prefix = /\?/.test(temp) ? /\?$/.test(temp) ? "" : "&" : "?";
                  uristrings.push(temp);
                  uristrings.push(qq.obj2url(obj));
              } else if (Object.prototype.toString.call(obj) === "[object Array]" && typeof obj !== "undefined") {
                  qq.each(obj, function(idx, val) {
                      add(val, idx);
                  });
              } else if (typeof obj !== "undefined" && obj !== null && typeof obj === "object") {
                  qq.each(obj, function(prop, val) {
                      add(val, prop);
                  });
              } else {
                  uristrings.push(encodeURIComponent(temp) + "=" + encodeURIComponent(obj));
              }
              if (temp) {
                  return uristrings.join(prefix);
              } else {
                  return uristrings.join(prefix).replace(/^&/, "").replace(/%20/g, "+");
              }
          };
          qq.obj2FormData = function(obj, formData, arrayKeyName) {
              if (!formData) {
                  formData = new FormData();
              }
              qq.each(obj, function(key, val) {
                  key = arrayKeyName ? arrayKeyName + "[" + key + "]" : key;
                  if (qq.isObject(val)) {
                      qq.obj2FormData(val, formData, key);
                  } else if (qq.isFunction(val)) {
                      formData.append(key, val());
                  } else {
                      formData.append(key, val);
                  }
              });
              return formData;
          };
          qq.obj2Inputs = function(obj, form) {
              var input;
              if (!form) {
                  form = document.createElement("form");
              }
              qq.obj2FormData(obj, {
                  append: function(key, val) {
                      input = document.createElement("input");
                      input.setAttribute("name", key);
                      input.setAttribute("value", val);
                      form.appendChild(input);
                  }
              });
              return form;
          };
          qq.parseJson = function(json) {
              if (window.JSON && qq.isFunction(JSON.parse)) {
                  return JSON.parse(json);
              } else {
                  return eval("(" + json + ")");
              }
          };
          qq.getExtension = function(filename) {
              var extIdx = filename.lastIndexOf(".") + 1;
              if (extIdx > 0) {
                  return filename.substr(extIdx, filename.length - extIdx);
              }
          };
          qq.getFilename = function(blobOrFileInput) {
              if (qq.isInput(blobOrFileInput)) {
                  return blobOrFileInput.value.replace(/.*(\/|\\)/, "");
              } else if (qq.isFile(blobOrFileInput)) {
                  if (blobOrFileInput.fileName !== null && blobOrFileInput.fileName !== undefined) {
                      return blobOrFileInput.fileName;
                  }
              }
              return blobOrFileInput.name;
          };
          qq.DisposeSupport = function() {
              var disposers = [];
              return {
                  dispose: function() {
                      var disposer;
                      do {
                          disposer = disposers.shift();
                          if (disposer) {
                              disposer();
                          }
                      } while (disposer);
                  },
                  attach: function() {
                      var args = arguments;
                      this.addDisposer(qq(args[0]).attach.apply(this, Array.prototype.slice.call(arguments, 1)));
                  },
                  addDisposer: function(disposeFunction) {
                      disposers.push(disposeFunction);
                  }
              };
          };
      })();
      (function() {
          "use strict";
          if (typeof define === "function" && define.amd) {
              define(function() {
                  return qq;
              });
          } else if (typeof module !== "undefined" && module.exports) {
              module.exports = qq;
          } else {
              global.qq = qq;
          }
      })();
      (function() {
          "use strict";
          qq.Error = function(message) {
              this.message = "[Fine Uploader " + qq.version + "] " + message;
          };
          qq.Error.prototype = new Error();
      })();
      qq.version = "5.16.0";
      qq.supportedFeatures = function() {
          "use strict";
          var supportsUploading, supportsUploadingBlobs, supportsFileDrop, supportsAjaxFileUploading, supportsFolderDrop, supportsChunking, supportsResume, supportsUploadViaPaste, supportsUploadCors, supportsDeleteFileXdr, supportsDeleteFileCorsXhr, supportsDeleteFileCors, supportsFolderSelection, supportsImagePreviews, supportsUploadProgress;
          function testSupportsFileInputElement() {
              var supported = true, tempInput;
              try {
                  tempInput = document.createElement("input");
                  tempInput.type = "file";
                  qq(tempInput).hide();
                  if (tempInput.disabled) {
                      supported = false;
                  }
              } catch (ex) {
                  supported = false;
              }
              return supported;
          }
          function isChrome14OrHigher() {
              return (qq.chrome() || qq.opera()) && navigator.userAgent.match(/Chrome\/[1][4-9]|Chrome\/[2-9][0-9]/) !== undefined;
          }
          function isCrossOriginXhrSupported() {
              if (window.XMLHttpRequest) {
                  var xhr = qq.createXhrInstance();
                  return xhr.withCredentials !== undefined;
              }
              return false;
          }
          function isXdrSupported() {
              return window.XDomainRequest !== undefined;
          }
          function isCrossOriginAjaxSupported() {
              if (isCrossOriginXhrSupported()) {
                  return true;
              }
              return isXdrSupported();
          }
          function isFolderSelectionSupported() {
              return document.createElement("input").webkitdirectory !== undefined;
          }
          function isLocalStorageSupported() {
              try {
                  return !!window.localStorage && qq.isFunction(window.localStorage.setItem);
              } catch (error) {
                  return false;
              }
          }
          function isDragAndDropSupported() {
              var span = document.createElement("span");
              return ("draggable" in span || "ondragstart" in span && "ondrop" in span) && !qq.android() && !qq.ios();
          }
          supportsUploading = testSupportsFileInputElement();
          supportsAjaxFileUploading = supportsUploading && qq.isXhrUploadSupported();
          supportsUploadingBlobs = supportsAjaxFileUploading && !qq.androidStock();
          supportsFileDrop = supportsAjaxFileUploading && isDragAndDropSupported();
          supportsFolderDrop = supportsFileDrop && function() {
              var input = document.createElement("input");
              input.type = "file";
              return !!("webkitdirectory" in (input || document.querySelectorAll("input[type=file]")[0]));
          }();
          supportsChunking = supportsAjaxFileUploading && qq.isFileChunkingSupported();
          supportsResume = supportsAjaxFileUploading && supportsChunking && isLocalStorageSupported();
          supportsUploadViaPaste = supportsAjaxFileUploading && isChrome14OrHigher();
          supportsUploadCors = supportsUploading && (window.postMessage !== undefined || supportsAjaxFileUploading);
          supportsDeleteFileCorsXhr = isCrossOriginXhrSupported();
          supportsDeleteFileXdr = isXdrSupported();
          supportsDeleteFileCors = isCrossOriginAjaxSupported();
          supportsFolderSelection = isFolderSelectionSupported();
          supportsImagePreviews = supportsAjaxFileUploading && window.FileReader !== undefined;
          supportsUploadProgress = function() {
              if (supportsAjaxFileUploading) {
                  return !qq.androidStock() && !qq.iosChrome();
              }
              return false;
          }();
          return {
              ajaxUploading: supportsAjaxFileUploading,
              blobUploading: supportsUploadingBlobs,
              canDetermineSize: supportsAjaxFileUploading,
              chunking: supportsChunking,
              deleteFileCors: supportsDeleteFileCors,
              deleteFileCorsXdr: supportsDeleteFileXdr,
              deleteFileCorsXhr: supportsDeleteFileCorsXhr,
              dialogElement: !!window.HTMLDialogElement,
              fileDrop: supportsFileDrop,
              folderDrop: supportsFolderDrop,
              folderSelection: supportsFolderSelection,
              imagePreviews: supportsImagePreviews,
              imageValidation: supportsImagePreviews,
              itemSizeValidation: supportsAjaxFileUploading,
              pause: supportsChunking,
              progressBar: supportsUploadProgress,
              resume: supportsResume,
              scaling: supportsImagePreviews && supportsUploadingBlobs,
              tiffPreviews: qq.safari(),
              unlimitedScaledImageSize: !qq.ios(),
              uploading: supportsUploading,
              uploadCors: supportsUploadCors,
              uploadCustomHeaders: supportsAjaxFileUploading,
              uploadNonMultipart: supportsAjaxFileUploading,
              uploadViaPaste: supportsUploadViaPaste
          };
      }();
      qq.isGenericPromise = function(maybePromise) {
          "use strict";
          return !!(maybePromise && maybePromise.then && qq.isFunction(maybePromise.then));
      };
      qq.Promise = function() {
          "use strict";
          var successArgs, failureArgs, successCallbacks = [], failureCallbacks = [], doneCallbacks = [], state = 0;
          qq.extend(this, {
              then: function(onSuccess, onFailure) {
                  if (state === 0) {
                      if (onSuccess) {
                          successCallbacks.push(onSuccess);
                      }
                      if (onFailure) {
                          failureCallbacks.push(onFailure);
                      }
                  } else if (state === -1) {
                      onFailure && onFailure.apply(null, failureArgs);
                  } else if (onSuccess) {
                      onSuccess.apply(null, successArgs);
                  }
                  return this;
              },
              done: function(callback) {
                  if (state === 0) {
                      doneCallbacks.push(callback);
                  } else {
                      callback.apply(null, failureArgs === undefined ? successArgs : failureArgs);
                  }
                  return this;
              },
              success: function() {
                  state = 1;
                  successArgs = arguments;
                  if (successCallbacks.length) {
                      qq.each(successCallbacks, function(idx, callback) {
                          callback.apply(null, successArgs);
                      });
                  }
                  if (doneCallbacks.length) {
                      qq.each(doneCallbacks, function(idx, callback) {
                          callback.apply(null, successArgs);
                      });
                  }
                  return this;
              },
              failure: function() {
                  state = -1;
                  failureArgs = arguments;
                  if (failureCallbacks.length) {
                      qq.each(failureCallbacks, function(idx, callback) {
                          callback.apply(null, failureArgs);
                      });
                  }
                  if (doneCallbacks.length) {
                      qq.each(doneCallbacks, function(idx, callback) {
                          callback.apply(null, failureArgs);
                      });
                  }
                  return this;
              }
          });
      };
      qq.BlobProxy = function(referenceBlob, onCreate) {
          "use strict";
          qq.extend(this, {
              referenceBlob: referenceBlob,
              create: function() {
                  return onCreate(referenceBlob);
              }
          });
      };
      qq.UploadButton = function(o) {
          "use strict";
          var self = this, disposeSupport = new qq.DisposeSupport(), options = {
              acceptFiles: null,
              element: null,
              focusClass: "qq-upload-button-focus",
              folders: false,
              hoverClass: "qq-upload-button-hover",
              ios8BrowserCrashWorkaround: false,
              multiple: false,
              name: "qqfile",
              onChange: function(input) {},
              title: null
          }, input, buttonId;
          qq.extend(options, o);
          buttonId = qq.getUniqueId();
          function createInput() {
              var input = document.createElement("input");
              input.setAttribute(qq.UploadButton.BUTTON_ID_ATTR_NAME, buttonId);
              input.setAttribute("title", options.title);
              self.setMultiple(options.multiple, input);
              if (options.folders && qq.supportedFeatures.folderSelection) {
                  input.setAttribute("webkitdirectory", "");
              }
              if (options.acceptFiles) {
                  input.setAttribute("accept", options.acceptFiles);
              }
              input.setAttribute("type", "file");
              input.setAttribute("name", options.name);
              qq(input).css({
                  position: "absolute",
                  right: 0,
                  top: 0,
                  fontFamily: "Arial",
                  fontSize: qq.ie() && !qq.ie8() ? "3500px" : "118px",
                  margin: 0,
                  padding: 0,
                  cursor: "pointer",
                  opacity: 0
              });
              !qq.ie7() && qq(input).css({
                  height: "100%"
              });
              options.element.appendChild(input);
              disposeSupport.attach(input, "change", function() {
                  options.onChange(input);
              });
              disposeSupport.attach(input, "mouseover", function() {
                  qq(options.element).addClass(options.hoverClass);
              });
              disposeSupport.attach(input, "mouseout", function() {
                  qq(options.element).removeClass(options.hoverClass);
              });
              disposeSupport.attach(input, "focus", function() {
                  qq(options.element).addClass(options.focusClass);
              });
              disposeSupport.attach(input, "blur", function() {
                  qq(options.element).removeClass(options.focusClass);
              });
              return input;
          }
          qq(options.element).css({
              position: "relative",
              overflow: "hidden",
              direction: "ltr"
          });
          qq.extend(this, {
              getInput: function() {
                  return input;
              },
              getButtonId: function() {
                  return buttonId;
              },
              setMultiple: function(isMultiple, optInput) {
                  var input = optInput || this.getInput();
                  if (options.ios8BrowserCrashWorkaround && qq.ios8() && (qq.iosChrome() || qq.iosSafariWebView())) {
                      input.setAttribute("multiple", "");
                  } else {
                      if (isMultiple) {
                          input.setAttribute("multiple", "");
                      } else {
                          input.removeAttribute("multiple");
                      }
                  }
              },
              setAcceptFiles: function(acceptFiles) {
                  if (acceptFiles !== options.acceptFiles) {
                      input.setAttribute("accept", acceptFiles);
                  }
              },
              reset: function() {
                  if (input.parentNode) {
                      qq(input).remove();
                  }
                  qq(options.element).removeClass(options.focusClass);
                  input = null;
                  input = createInput();
              }
          });
          input = createInput();
      };
      qq.UploadButton.BUTTON_ID_ATTR_NAME = "qq-button-id";
      qq.UploadData = function(uploaderProxy) {
          "use strict";
          var data = [], byUuid = {}, byStatus = {}, byProxyGroupId = {}, byBatchId = {};
          function getDataByIds(idOrIds) {
              if (qq.isArray(idOrIds)) {
                  var entries = [];
                  qq.each(idOrIds, function(idx, id) {
                      entries.push(data[id]);
                  });
                  return entries;
              }
              return data[idOrIds];
          }
          function getDataByUuids(uuids) {
              if (qq.isArray(uuids)) {
                  var entries = [];
                  qq.each(uuids, function(idx, uuid) {
                      entries.push(data[byUuid[uuid]]);
                  });
                  return entries;
              }
              return data[byUuid[uuids]];
          }
          function getDataByStatus(status) {
              var statusResults = [], statuses = [].concat(status);
              qq.each(statuses, function(index, statusEnum) {
                  var statusResultIndexes = byStatus[statusEnum];
                  if (statusResultIndexes !== undefined) {
                      qq.each(statusResultIndexes, function(i, dataIndex) {
                          statusResults.push(data[dataIndex]);
                      });
                  }
              });
              return statusResults;
          }
          qq.extend(this, {
              addFile: function(spec) {
                  var status = spec.status || qq.status.SUBMITTING, id = data.push({
                      name: spec.name,
                      originalName: spec.name,
                      uuid: spec.uuid,
                      size: spec.size == null ? -1 : spec.size,
                      status: status,
                      file: spec.file
                  }) - 1;
                  if (spec.batchId) {
                      data[id].batchId = spec.batchId;
                      if (byBatchId[spec.batchId] === undefined) {
                          byBatchId[spec.batchId] = [];
                      }
                      byBatchId[spec.batchId].push(id);
                  }
                  if (spec.proxyGroupId) {
                      data[id].proxyGroupId = spec.proxyGroupId;
                      if (byProxyGroupId[spec.proxyGroupId] === undefined) {
                          byProxyGroupId[spec.proxyGroupId] = [];
                      }
                      byProxyGroupId[spec.proxyGroupId].push(id);
                  }
                  data[id].id = id;
                  byUuid[spec.uuid] = id;
                  if (byStatus[status] === undefined) {
                      byStatus[status] = [];
                  }
                  byStatus[status].push(id);
                  spec.onBeforeStatusChange && spec.onBeforeStatusChange(id);
                  uploaderProxy.onStatusChange(id, null, status);
                  return id;
              },
              retrieve: function(optionalFilter) {
                  if (qq.isObject(optionalFilter) && data.length) {
                      if (optionalFilter.id !== undefined) {
                          return getDataByIds(optionalFilter.id);
                      } else if (optionalFilter.uuid !== undefined) {
                          return getDataByUuids(optionalFilter.uuid);
                      } else if (optionalFilter.status) {
                          return getDataByStatus(optionalFilter.status);
                      }
                  } else {
                      return qq.extend([], data, true);
                  }
              },
              removeFileRef: function(id) {
                  var record = getDataByIds(id);
                  if (record) {
                      delete record.file;
                  }
              },
              reset: function() {
                  data = [];
                  byUuid = {};
                  byStatus = {};
                  byBatchId = {};
              },
              setStatus: function(id, newStatus) {
                  var oldStatus = data[id].status, byStatusOldStatusIndex = qq.indexOf(byStatus[oldStatus], id);
                  byStatus[oldStatus].splice(byStatusOldStatusIndex, 1);
                  data[id].status = newStatus;
                  if (byStatus[newStatus] === undefined) {
                      byStatus[newStatus] = [];
                  }
                  byStatus[newStatus].push(id);
                  uploaderProxy.onStatusChange(id, oldStatus, newStatus);
              },
              uuidChanged: function(id, newUuid) {
                  var oldUuid = data[id].uuid;
                  data[id].uuid = newUuid;
                  byUuid[newUuid] = id;
                  delete byUuid[oldUuid];
              },
              updateName: function(id, newName) {
                  data[id].name = newName;
              },
              updateSize: function(id, newSize) {
                  data[id].size = newSize;
              },
              setParentId: function(targetId, parentId) {
                  data[targetId].parentId = parentId;
              },
              getIdsInProxyGroup: function(id) {
                  var proxyGroupId = data[id].proxyGroupId;
                  if (proxyGroupId) {
                      return byProxyGroupId[proxyGroupId];
                  }
                  return [];
              },
              getIdsInBatch: function(id) {
                  var batchId = data[id].batchId;
                  return byBatchId[batchId];
              }
          });
      };
      qq.status = {
          SUBMITTING: "submitting",
          SUBMITTED: "submitted",
          REJECTED: "rejected",
          QUEUED: "queued",
          CANCELED: "canceled",
          PAUSED: "paused",
          UPLOADING: "uploading",
          UPLOAD_FINALIZING: "upload finalizing",
          UPLOAD_RETRYING: "retrying upload",
          UPLOAD_SUCCESSFUL: "upload successful",
          UPLOAD_FAILED: "upload failed",
          DELETE_FAILED: "delete failed",
          DELETING: "deleting",
          DELETED: "deleted"
      };
      (function() {
          "use strict";
          qq.basePublicApi = {
              addBlobs: function(blobDataOrArray, params, endpoint) {
                  this.addFiles(blobDataOrArray, params, endpoint);
              },
              addInitialFiles: function(cannedFileList) {
                  var self = this;
                  qq.each(cannedFileList, function(index, cannedFile) {
                      self._addCannedFile(cannedFile);
                  });
              },
              addFiles: function(data, params, endpoint) {
                  this._maybeHandleIos8SafariWorkaround();
                  var batchId = this._storedIds.length === 0 ? qq.getUniqueId() : this._currentBatchId, processBlob = qq.bind(function(blob) {
                      this._handleNewFile({
                          blob: blob,
                          name: this._options.blobs.defaultName
                      }, batchId, verifiedFiles);
                  }, this), processBlobData = qq.bind(function(blobData) {
                      this._handleNewFile(blobData, batchId, verifiedFiles);
                  }, this), processCanvas = qq.bind(function(canvas) {
                      var blob = qq.canvasToBlob(canvas);
                      this._handleNewFile({
                          blob: blob,
                          name: this._options.blobs.defaultName + ".png"
                      }, batchId, verifiedFiles);
                  }, this), processCanvasData = qq.bind(function(canvasData) {
                      var normalizedQuality = canvasData.quality && canvasData.quality / 100, blob = qq.canvasToBlob(canvasData.canvas, canvasData.type, normalizedQuality);
                      this._handleNewFile({
                          blob: blob,
                          name: canvasData.name
                      }, batchId, verifiedFiles);
                  }, this), processFileOrInput = qq.bind(function(fileOrInput) {
                      if (qq.isInput(fileOrInput) && qq.supportedFeatures.ajaxUploading) {
                          var files = Array.prototype.slice.call(fileOrInput.files), self = this;
                          qq.each(files, function(idx, file) {
                              self._handleNewFile(file, batchId, verifiedFiles);
                          });
                      } else {
                          this._handleNewFile(fileOrInput, batchId, verifiedFiles);
                      }
                  }, this), normalizeData = function() {
                      if (qq.isFileList(data)) {
                          data = Array.prototype.slice.call(data);
                      }
                      data = [].concat(data);
                  }, self = this, verifiedFiles = [];
                  this._currentBatchId = batchId;
                  if (data) {
                      normalizeData();
                      qq.each(data, function(idx, fileContainer) {
                          if (qq.isFileOrInput(fileContainer)) {
                              processFileOrInput(fileContainer);
                          } else if (qq.isBlob(fileContainer)) {
                              processBlob(fileContainer);
                          } else if (qq.isObject(fileContainer)) {
                              if (fileContainer.blob && fileContainer.name) {
                                  processBlobData(fileContainer);
                              } else if (fileContainer.canvas && fileContainer.name) {
                                  processCanvasData(fileContainer);
                              }
                          } else if (fileContainer.tagName && fileContainer.tagName.toLowerCase() === "canvas") {
                              processCanvas(fileContainer);
                          } else {
                              self.log(fileContainer + " is not a valid file container!  Ignoring!", "warn");
                          }
                      });
                      this.log("Received " + verifiedFiles.length + " files.");
                      this._prepareItemsForUpload(verifiedFiles, params, endpoint);
                  }
              },
              cancel: function(id) {
                  var uploadData = this._uploadData.retrieve({
                      id: id
                  });
                  if (uploadData && uploadData.status === qq.status.UPLOAD_FINALIZING) {
                      this.log(qq.format("Ignoring cancel for file ID {} ({}).  Finalizing upload.", id, this.getName(id)), "error");
                  } else {
                      this._handler.cancel(id);
                  }
              },
              cancelAll: function() {
                  var storedIdsCopy = [], self = this;
                  qq.extend(storedIdsCopy, this._storedIds);
                  qq.each(storedIdsCopy, function(idx, storedFileId) {
                      self.cancel(storedFileId);
                  });
                  this._handler.cancelAll();
              },
              clearStoredFiles: function() {
                  this._storedIds = [];
              },
              continueUpload: function(id) {
                  var uploadData = this._uploadData.retrieve({
                      id: id
                  });
                  if (!qq.supportedFeatures.pause || !this._options.chunking.enabled) {
                      return false;
                  }
                  if (uploadData.status === qq.status.PAUSED) {
                      this.log(qq.format("Paused file ID {} ({}) will be continued.  Not paused.", id, this.getName(id)));
                      this._uploadFile(id);
                      return true;
                  } else {
                      this.log(qq.format("Ignoring continue for file ID {} ({}).  Not paused.", id, this.getName(id)), "error");
                  }
                  return false;
              },
              deleteFile: function(id) {
                  return this._onSubmitDelete(id);
              },
              doesExist: function(fileOrBlobId) {
                  return this._handler.isValid(fileOrBlobId);
              },
              drawThumbnail: function(fileId, imgOrCanvas, maxSize, fromServer, customResizeFunction) {
                  var promiseToReturn = new qq.Promise(), fileOrUrl, options;
                  if (this._imageGenerator) {
                      fileOrUrl = this._thumbnailUrls[fileId];
                      options = {
                          customResizeFunction: customResizeFunction,
                          maxSize: maxSize > 0 ? maxSize : null,
                          scale: maxSize > 0
                      };
                      if (!fromServer && qq.supportedFeatures.imagePreviews) {
                          fileOrUrl = this.getFile(fileId);
                      }
                      if (fileOrUrl == null) {
                          promiseToReturn.failure({
                              container: imgOrCanvas,
                              error: "File or URL not found."
                          });
                      } else {
                          this._imageGenerator.generate(fileOrUrl, imgOrCanvas, options).then(function success(modifiedContainer) {
                              promiseToReturn.success(modifiedContainer);
                          }, function failure(container, reason) {
                              promiseToReturn.failure({
                                  container: container,
                                  error: reason || "Problem generating thumbnail"
                              });
                          });
                      }
                  } else {
                      promiseToReturn.failure({
                          container: imgOrCanvas,
                          error: "Missing image generator module"
                      });
                  }
                  return promiseToReturn;
              },
              getButton: function(fileId) {
                  return this._getButton(this._buttonIdsForFileIds[fileId]);
              },
              getEndpoint: function(fileId) {
                  return this._endpointStore.get(fileId);
              },
              getFile: function(fileOrBlobId) {
                  var file = this._handler.getFile(fileOrBlobId);
                  var uploadDataRecord;
                  if (!file) {
                      uploadDataRecord = this._uploadData.retrieve({
                          id: fileOrBlobId
                      });
                      if (uploadDataRecord) {
                          file = uploadDataRecord.file;
                      }
                  }
                  return file || null;
              },
              getInProgress: function() {
                  return this._uploadData.retrieve({
                      status: [ qq.status.UPLOADING, qq.status.UPLOAD_RETRYING, qq.status.QUEUED ]
                  }).length;
              },
              getName: function(id) {
                  return this._uploadData.retrieve({
                      id: id
                  }).name;
              },
              getParentId: function(id) {
                  var uploadDataEntry = this.getUploads({
                      id: id
                  }), parentId = null;
                  if (uploadDataEntry) {
                      if (uploadDataEntry.parentId !== undefined) {
                          parentId = uploadDataEntry.parentId;
                      }
                  }
                  return parentId;
              },
              getResumableFilesData: function() {
                  return this._handler.getResumableFilesData();
              },
              getSize: function(id) {
                  return this._uploadData.retrieve({
                      id: id
                  }).size;
              },
              getNetUploads: function() {
                  return this._netUploaded;
              },
              getRemainingAllowedItems: function() {
                  var allowedItems = this._currentItemLimit;
                  if (allowedItems > 0) {
                      return allowedItems - this._netUploadedOrQueued;
                  }
                  return null;
              },
              getUploads: function(optionalFilter) {
                  return this._uploadData.retrieve(optionalFilter);
              },
              getUuid: function(id) {
                  return this._uploadData.retrieve({
                      id: id
                  }).uuid;
              },
              isResumable: function(id) {
                  return this._handler.hasResumeRecord(id);
              },
              log: function(str, level) {
                  if (this._options.debug && (!level || level === "info")) {
                      qq.log("[Fine Uploader " + qq.version + "] " + str);
                  } else if (level && level !== "info") {
                      qq.log("[Fine Uploader " + qq.version + "] " + str, level);
                  }
              },
              pauseUpload: function(id) {
                  var uploadData = this._uploadData.retrieve({
                      id: id
                  });
                  if (!qq.supportedFeatures.pause || !this._options.chunking.enabled) {
                      return false;
                  }
                  if (qq.indexOf([ qq.status.UPLOADING, qq.status.UPLOAD_RETRYING ], uploadData.status) >= 0) {
                      if (this._handler.pause(id)) {
                          this._uploadData.setStatus(id, qq.status.PAUSED);
                          return true;
                      } else {
                          this.log(qq.format("Unable to pause file ID {} ({}).", id, this.getName(id)), "error");
                      }
                  } else {
                      this.log(qq.format("Ignoring pause for file ID {} ({}).  Not in progress.", id, this.getName(id)), "error");
                  }
                  return false;
              },
              removeFileRef: function(id) {
                  this._handler.expunge(id);
                  this._uploadData.removeFileRef(id);
              },
              reset: function() {
                  this.log("Resetting uploader...");
                  this._handler.reset();
                  this._storedIds = [];
                  this._autoRetries = [];
                  this._retryTimeouts = [];
                  this._preventRetries = [];
                  this._thumbnailUrls = [];
                  qq.each(this._buttons, function(idx, button) {
                      button.reset();
                  });
                  this._paramsStore.reset();
                  this._endpointStore.reset();
                  this._netUploadedOrQueued = 0;
                  this._netUploaded = 0;
                  this._uploadData.reset();
                  this._buttonIdsForFileIds = [];
                  this._pasteHandler && this._pasteHandler.reset();
                  this._options.session.refreshOnReset && this._refreshSessionData();
                  this._succeededSinceLastAllComplete = [];
                  this._failedSinceLastAllComplete = [];
                  this._totalProgress && this._totalProgress.reset();
                  this._customResumeDataStore.reset();
              },
              retry: function(id) {
                  return this._manualRetry(id);
              },
              scaleImage: function(id, specs) {
                  var self = this;
                  return qq.Scaler.prototype.scaleImage(id, specs, {
                      log: qq.bind(self.log, self),
                      getFile: qq.bind(self.getFile, self),
                      uploadData: self._uploadData
                  });
              },
              setCustomHeaders: function(headers, id) {
                  this._customHeadersStore.set(headers, id);
              },
              setCustomResumeData: function(id, data) {
                  this._customResumeDataStore.set(data, id);
              },
              setDeleteFileCustomHeaders: function(headers, id) {
                  this._deleteFileCustomHeadersStore.set(headers, id);
              },
              setDeleteFileEndpoint: function(endpoint, id) {
                  this._deleteFileEndpointStore.set(endpoint, id);
              },
              setDeleteFileParams: function(params, id) {
                  this._deleteFileParamsStore.set(params, id);
              },
              setEndpoint: function(endpoint, id) {
                  this._endpointStore.set(endpoint, id);
              },
              setForm: function(elementOrId) {
                  this._updateFormSupportAndParams(elementOrId);
              },
              setItemLimit: function(newItemLimit) {
                  this._currentItemLimit = newItemLimit;
              },
              setName: function(id, newName) {
                  this._uploadData.updateName(id, newName);
              },
              setParams: function(params, id) {
                  this._paramsStore.set(params, id);
              },
              setUuid: function(id, newUuid) {
                  return this._uploadData.uuidChanged(id, newUuid);
              },
              setStatus: function(id, newStatus) {
                  var fileRecord = this.getUploads({
                      id: id
                  });
                  if (!fileRecord) {
                      throw new qq.Error(id + " is not a valid file ID.");
                  }
                  switch (newStatus) {
                    case qq.status.DELETED:
                      this._onDeleteComplete(id, null, false);
                      break;
  
                    case qq.status.DELETE_FAILED:
                      this._onDeleteComplete(id, null, true);
                      break;
  
                    default:
                      var errorMessage = "Method setStatus called on '" + name + "' not implemented yet for " + newStatus;
                      this.log(errorMessage);
                      throw new qq.Error(errorMessage);
                  }
              },
              uploadStoredFiles: function() {
                  if (this._storedIds.length === 0) {
                      this._itemError("noFilesError");
                  } else {
                      this._uploadStoredFiles();
                  }
              }
          };
          qq.basePrivateApi = {
              _addCannedFile: function(sessionData) {
                  var self = this;
                  return this._uploadData.addFile({
                      uuid: sessionData.uuid,
                      name: sessionData.name,
                      size: sessionData.size,
                      status: qq.status.UPLOAD_SUCCESSFUL,
                      onBeforeStatusChange: function(id) {
                          sessionData.deleteFileEndpoint && self.setDeleteFileEndpoint(sessionData.deleteFileEndpoint, id);
                          sessionData.deleteFileParams && self.setDeleteFileParams(sessionData.deleteFileParams, id);
                          if (sessionData.thumbnailUrl) {
                              self._thumbnailUrls[id] = sessionData.thumbnailUrl;
                          }
                          self._netUploaded++;
                          self._netUploadedOrQueued++;
                      }
                  });
              },
              _annotateWithButtonId: function(file, associatedInput) {
                  if (qq.isFile(file)) {
                      file.qqButtonId = this._getButtonId(associatedInput);
                  }
              },
              _batchError: function(message) {
                  this._options.callbacks.onError(null, null, message, undefined);
              },
              _createDeleteHandler: function() {
                  var self = this;
                  return new qq.DeleteFileAjaxRequester({
                      method: this._options.deleteFile.method.toUpperCase(),
                      maxConnections: this._options.maxConnections,
                      uuidParamName: this._options.request.uuidName,
                      customHeaders: this._deleteFileCustomHeadersStore,
                      paramsStore: this._deleteFileParamsStore,
                      endpointStore: this._deleteFileEndpointStore,
                      cors: this._options.cors,
                      log: qq.bind(self.log, self),
                      onDelete: function(id) {
                          self._onDelete(id);
                          self._options.callbacks.onDelete(id);
                      },
                      onDeleteComplete: function(id, xhrOrXdr, isError) {
                          self._onDeleteComplete(id, xhrOrXdr, isError);
                          self._options.callbacks.onDeleteComplete(id, xhrOrXdr, isError);
                      }
                  });
              },
              _createPasteHandler: function() {
                  var self = this;
                  return new qq.PasteSupport({
                      targetElement: this._options.paste.targetElement,
                      callbacks: {
                          log: qq.bind(self.log, self),
                          pasteReceived: function(blob) {
                              self._handleCheckedCallback({
                                  name: "onPasteReceived",
                                  callback: qq.bind(self._options.callbacks.onPasteReceived, self, blob),
                                  onSuccess: qq.bind(self._handlePasteSuccess, self, blob),
                                  identifier: "pasted image"
                              });
                          }
                      }
                  });
              },
              _createStore: function(initialValue, _readOnlyValues_) {
                  var store = {}, catchall = initialValue, perIdReadOnlyValues = {}, readOnlyValues = _readOnlyValues_, copy = function(orig) {
                      if (qq.isObject(orig)) {
                          return qq.extend({}, orig);
                      }
                      return orig;
                  }, getReadOnlyValues = function() {
                      if (qq.isFunction(readOnlyValues)) {
                          return readOnlyValues();
                      }
                      return readOnlyValues;
                  }, includeReadOnlyValues = function(id, existing) {
                      if (readOnlyValues && qq.isObject(existing)) {
                          qq.extend(existing, getReadOnlyValues());
                      }
                      if (perIdReadOnlyValues[id]) {
                          qq.extend(existing, perIdReadOnlyValues[id]);
                      }
                  };
                  return {
                      set: function(val, id) {
                          if (id == null) {
                              store = {};
                              catchall = copy(val);
                          } else {
                              store[id] = copy(val);
                          }
                      },
                      get: function(id) {
                          var values;
                          if (id != null && store[id]) {
                              values = store[id];
                          } else {
                              values = copy(catchall);
                          }
                          includeReadOnlyValues(id, values);
                          return copy(values);
                      },
                      addReadOnly: function(id, values) {
                          if (qq.isObject(store)) {
                              if (id === null) {
                                  if (qq.isFunction(values)) {
                                      readOnlyValues = values;
                                  } else {
                                      readOnlyValues = readOnlyValues || {};
                                      qq.extend(readOnlyValues, values);
                                  }
                              } else {
                                  perIdReadOnlyValues[id] = perIdReadOnlyValues[id] || {};
                                  qq.extend(perIdReadOnlyValues[id], values);
                              }
                          }
                      },
                      remove: function(fileId) {
                          return delete store[fileId];
                      },
                      reset: function() {
                          store = {};
                          perIdReadOnlyValues = {};
                          catchall = initialValue;
                      }
                  };
              },
              _createUploadDataTracker: function() {
                  var self = this;
                  return new qq.UploadData({
                      getName: function(id) {
                          return self.getName(id);
                      },
                      getUuid: function(id) {
                          return self.getUuid(id);
                      },
                      getSize: function(id) {
                          return self.getSize(id);
                      },
                      onStatusChange: function(id, oldStatus, newStatus) {
                          self._onUploadStatusChange(id, oldStatus, newStatus);
                          self._options.callbacks.onStatusChange(id, oldStatus, newStatus);
                          self._maybeAllComplete(id, newStatus);
                          if (self._totalProgress) {
                              setTimeout(function() {
                                  self._totalProgress.onStatusChange(id, oldStatus, newStatus);
                              }, 0);
                          }
                      }
                  });
              },
              _createUploadButton: function(spec) {
                  var self = this, acceptFiles = spec.accept || this._options.validation.acceptFiles, allowedExtensions = spec.allowedExtensions || this._options.validation.allowedExtensions, button;
                  function allowMultiple() {
                      if (qq.supportedFeatures.ajaxUploading) {
                          if (self._options.workarounds.iosEmptyVideos && qq.ios() && !qq.ios6() && self._isAllowedExtension(allowedExtensions, ".mov")) {
                              return false;
                          }
                          if (spec.multiple === undefined) {
                              return self._options.multiple;
                          }
                          return spec.multiple;
                      }
                      return false;
                  }
                  button = new qq.UploadButton({
                      acceptFiles: acceptFiles,
                      element: spec.element,
                      focusClass: this._options.classes.buttonFocus,
                      folders: spec.folders,
                      hoverClass: this._options.classes.buttonHover,
                      ios8BrowserCrashWorkaround: this._options.workarounds.ios8BrowserCrash,
                      multiple: allowMultiple(),
                      name: this._options.request.inputName,
                      onChange: function(input) {
                          self._onInputChange(input);
                      },
                      title: spec.title == null ? this._options.text.fileInputTitle : spec.title
                  });
                  this._disposeSupport.addDisposer(function() {
                      button.dispose();
                  });
                  self._buttons.push(button);
                  return button;
              },
              _createUploadHandler: function(additionalOptions, namespace) {
                  var self = this, lastOnProgress = {}, options = {
                      debug: this._options.debug,
                      maxConnections: this._options.maxConnections,
                      cors: this._options.cors,
                      paramsStore: this._paramsStore,
                      endpointStore: this._endpointStore,
                      chunking: this._options.chunking,
                      resume: this._options.resume,
                      blobs: this._options.blobs,
                      log: qq.bind(self.log, self),
                      preventRetryParam: this._options.retry.preventRetryResponseProperty,
                      onProgress: function(id, name, loaded, total) {
                          if (loaded < 0 || total < 0) {
                              return;
                          }
                          if (lastOnProgress[id]) {
                              if (lastOnProgress[id].loaded !== loaded || lastOnProgress[id].total !== total) {
                                  self._onProgress(id, name, loaded, total);
                                  self._options.callbacks.onProgress(id, name, loaded, total);
                              }
                          } else {
                              self._onProgress(id, name, loaded, total);
                              self._options.callbacks.onProgress(id, name, loaded, total);
                          }
                          lastOnProgress[id] = {
                              loaded: loaded,
                              total: total
                          };
                      },
                      onComplete: function(id, name, result, xhr) {
                          delete lastOnProgress[id];
                          var status = self.getUploads({
                              id: id
                          }).status, retVal;
                          if (status === qq.status.UPLOAD_SUCCESSFUL || status === qq.status.UPLOAD_FAILED) {
                              return;
                          }
                          retVal = self._onComplete(id, name, result, xhr);
                          if (retVal instanceof qq.Promise) {
                              retVal.done(function() {
                                  self._options.callbacks.onComplete(id, name, result, xhr);
                              });
                          } else {
                              self._options.callbacks.onComplete(id, name, result, xhr);
                          }
                      },
                      onCancel: function(id, name, cancelFinalizationEffort) {
                          var promise = new qq.Promise();
                          self._handleCheckedCallback({
                              name: "onCancel",
                              callback: qq.bind(self._options.callbacks.onCancel, self, id, name),
                              onFailure: promise.failure,
                              onSuccess: function() {
                                  cancelFinalizationEffort.then(function() {
                                      self._onCancel(id, name);
                                  });
                                  promise.success();
                              },
                              identifier: id
                          });
                          return promise;
                      },
                      onUploadPrep: qq.bind(this._onUploadPrep, this),
                      onUpload: function(id, name) {
                          self._onUpload(id, name);
                          var onUploadResult = self._options.callbacks.onUpload(id, name);
                          if (qq.isGenericPromise(onUploadResult)) {
                              self.log(qq.format("onUpload for {} returned a Promise - waiting for resolution.", id));
                              return onUploadResult;
                          }
                          return new qq.Promise().success();
                      },
                      onUploadChunk: function(id, name, chunkData) {
                          self._onUploadChunk(id, chunkData);
                          var onUploadChunkResult = self._options.callbacks.onUploadChunk(id, name, chunkData);
                          if (qq.isGenericPromise(onUploadChunkResult)) {
                              self.log(qq.format("onUploadChunk for {}.{} returned a Promise - waiting for resolution.", id, chunkData.partIndex));
                              return onUploadChunkResult;
                          }
                          return new qq.Promise().success();
                      },
                      onUploadChunkSuccess: function(id, chunkData, result, xhr) {
                          self._onUploadChunkSuccess(id, chunkData);
                          self._options.callbacks.onUploadChunkSuccess.apply(self, arguments);
                      },
                      onResume: function(id, name, chunkData, customResumeData) {
                          return self._options.callbacks.onResume(id, name, chunkData, customResumeData);
                      },
                      onAutoRetry: function(id, name, responseJSON, xhr) {
                          return self._onAutoRetry.apply(self, arguments);
                      },
                      onUuidChanged: function(id, newUuid) {
                          self.log("Server requested UUID change from '" + self.getUuid(id) + "' to '" + newUuid + "'");
                          self.setUuid(id, newUuid);
                      },
                      getName: qq.bind(self.getName, self),
                      getUuid: qq.bind(self.getUuid, self),
                      getSize: qq.bind(self.getSize, self),
                      setSize: qq.bind(self._setSize, self),
                      getDataByUuid: function(uuid) {
                          return self.getUploads({
                              uuid: uuid
                          });
                      },
                      isQueued: function(id) {
                          var status = self.getUploads({
                              id: id
                          }).status;
                          return status === qq.status.QUEUED || status === qq.status.SUBMITTED || status === qq.status.UPLOAD_RETRYING || status === qq.status.PAUSED;
                      },
                      getIdsInProxyGroup: self._uploadData.getIdsInProxyGroup,
                      getIdsInBatch: self._uploadData.getIdsInBatch,
                      isInProgress: function(id) {
                          return self.getUploads({
                              id: id
                          }).status === qq.status.UPLOADING;
                      },
                      getCustomResumeData: qq.bind(self._getCustomResumeData, self),
                      setStatus: function(id, status) {
                          self._uploadData.setStatus(id, status);
                      }
                  };
                  qq.each(this._options.request, function(prop, val) {
                      options[prop] = val;
                  });
                  options.customHeaders = this._customHeadersStore;
                  if (additionalOptions) {
                      qq.each(additionalOptions, function(key, val) {
                          options[key] = val;
                      });
                  }
                  return new qq.UploadHandlerController(options, namespace);
              },
              _fileOrBlobRejected: function(id) {
                  this._netUploadedOrQueued--;
                  this._uploadData.setStatus(id, qq.status.REJECTED);
              },
              _formatSize: function(bytes) {
                  if (bytes === 0) {
                      return bytes + this._options.text.sizeSymbols[0];
                  }
                  var i = -1;
                  do {
                      bytes = bytes / 1e3;
                      i++;
                  } while (bytes > 999);
                  return Math.max(bytes, .1).toFixed(1) + this._options.text.sizeSymbols[i];
              },
              _generateExtraButtonSpecs: function() {
                  var self = this;
                  this._extraButtonSpecs = {};
                  qq.each(this._options.extraButtons, function(idx, extraButtonOptionEntry) {
                      var multiple = extraButtonOptionEntry.multiple, validation = qq.extend({}, self._options.validation, true), extraButtonSpec = qq.extend({}, extraButtonOptionEntry);
                      if (multiple === undefined) {
                          multiple = self._options.multiple;
                      }
                      if (extraButtonSpec.validation) {
                          qq.extend(validation, extraButtonOptionEntry.validation, true);
                      }
                      qq.extend(extraButtonSpec, {
                          multiple: multiple,
                          validation: validation
                      }, true);
                      self._initExtraButton(extraButtonSpec);
                  });
              },
              _getButton: function(buttonId) {
                  var extraButtonsSpec = this._extraButtonSpecs[buttonId];
                  if (extraButtonsSpec) {
                      return extraButtonsSpec.element;
                  } else if (buttonId === this._defaultButtonId) {
                      return this._options.button;
                  }
              },
              _getButtonId: function(buttonOrFileInputOrFile) {
                  var inputs, fileInput, fileBlobOrInput = buttonOrFileInputOrFile;
                  if (fileBlobOrInput instanceof qq.BlobProxy) {
                      fileBlobOrInput = fileBlobOrInput.referenceBlob;
                  }
                  if (fileBlobOrInput && !qq.isBlob(fileBlobOrInput)) {
                      if (qq.isFile(fileBlobOrInput)) {
                          return fileBlobOrInput.qqButtonId;
                      } else if (fileBlobOrInput.tagName.toLowerCase() === "input" && fileBlobOrInput.type.toLowerCase() === "file") {
                          return fileBlobOrInput.getAttribute(qq.UploadButton.BUTTON_ID_ATTR_NAME);
                      }
                      inputs = fileBlobOrInput.getElementsByTagName("input");
                      qq.each(inputs, function(idx, input) {
                          if (input.getAttribute("type") === "file") {
                              fileInput = input;
                              return false;
                          }
                      });
                      if (fileInput) {
                          return fileInput.getAttribute(qq.UploadButton.BUTTON_ID_ATTR_NAME);
                      }
                  }
              },
              _getCustomResumeData: function(fileId) {
                  return this._customResumeDataStore.get(fileId);
              },
              _getNotFinished: function() {
                  return this._uploadData.retrieve({
                      status: [ qq.status.UPLOADING, qq.status.UPLOAD_RETRYING, qq.status.QUEUED, qq.status.SUBMITTING, qq.status.SUBMITTED, qq.status.PAUSED ]
                  }).length;
              },
              _getValidationBase: function(buttonId) {
                  var extraButtonSpec = this._extraButtonSpecs[buttonId];
                  return extraButtonSpec ? extraButtonSpec.validation : this._options.validation;
              },
              _getValidationDescriptor: function(fileWrapper) {
                  if (fileWrapper.file instanceof qq.BlobProxy) {
                      return {
                          name: qq.getFilename(fileWrapper.file.referenceBlob),
                          size: fileWrapper.file.referenceBlob.size
                      };
                  }
                  return {
                      name: this.getUploads({
                          id: fileWrapper.id
                      }).name,
                      size: this.getUploads({
                          id: fileWrapper.id
                      }).size
                  };
              },
              _getValidationDescriptors: function(fileWrappers) {
                  var self = this, fileDescriptors = [];
                  qq.each(fileWrappers, function(idx, fileWrapper) {
                      fileDescriptors.push(self._getValidationDescriptor(fileWrapper));
                  });
                  return fileDescriptors;
              },
              _handleCameraAccess: function() {
                  if (this._options.camera.ios && qq.ios()) {
                      var acceptIosCamera = "image/*;capture=camera", button = this._options.camera.button, buttonId = button ? this._getButtonId(button) : this._defaultButtonId, optionRoot = this._options;
                      if (buttonId && buttonId !== this._defaultButtonId) {
                          optionRoot = this._extraButtonSpecs[buttonId];
                      }
                      optionRoot.multiple = false;
                      if (optionRoot.validation.acceptFiles === null) {
                          optionRoot.validation.acceptFiles = acceptIosCamera;
                      } else {
                          optionRoot.validation.acceptFiles += "," + acceptIosCamera;
                      }
                      qq.each(this._buttons, function(idx, button) {
                          if (button.getButtonId() === buttonId) {
                              button.setMultiple(optionRoot.multiple);
                              button.setAcceptFiles(optionRoot.acceptFiles);
                              return false;
                          }
                      });
                  }
              },
              _handleCheckedCallback: function(details) {
                  var self = this, callbackRetVal = details.callback();
                  if (qq.isGenericPromise(callbackRetVal)) {
                      this.log(details.name + " - waiting for " + details.name + " promise to be fulfilled for " + details.identifier);
                      return callbackRetVal.then(function(successParam) {
                          self.log(details.name + " promise success for " + details.identifier);
                          details.onSuccess(successParam);
                      }, function() {
                          if (details.onFailure) {
                              self.log(details.name + " promise failure for " + details.identifier);
                              details.onFailure();
                          } else {
                              self.log(details.name + " promise failure for " + details.identifier);
                          }
                      });
                  }
                  if (callbackRetVal !== false) {
                      details.onSuccess(callbackRetVal);
                  } else {
                      if (details.onFailure) {
                          this.log(details.name + " - return value was 'false' for " + details.identifier + ".  Invoking failure callback.");
                          details.onFailure();
                      } else {
                          this.log(details.name + " - return value was 'false' for " + details.identifier + ".  Will not proceed.");
                      }
                  }
                  return callbackRetVal;
              },
              _handleNewFile: function(file, batchId, newFileWrapperList) {
                  var self = this, uuid = qq.getUniqueId(), size = -1, name = qq.getFilename(file), actualFile = file.blob || file, handler = this._customNewFileHandler ? this._customNewFileHandler : qq.bind(self._handleNewFileGeneric, self);
                  if (!qq.isInput(actualFile) && actualFile.size >= 0) {
                      size = actualFile.size;
                  }
                  handler(actualFile, name, uuid, size, newFileWrapperList, batchId, this._options.request.uuidName, {
                      uploadData: self._uploadData,
                      paramsStore: self._paramsStore,
                      addFileToHandler: function(id, file) {
                          self._handler.add(id, file);
                          self._netUploadedOrQueued++;
                          self._trackButton(id);
                      }
                  });
              },
              _handleNewFileGeneric: function(file, name, uuid, size, fileList, batchId) {
                  var id = this._uploadData.addFile({
                      uuid: uuid,
                      name: name,
                      size: size,
                      batchId: batchId,
                      file: file
                  });
                  this._handler.add(id, file);
                  this._trackButton(id);
                  this._netUploadedOrQueued++;
                  fileList.push({
                      id: id,
                      file: file
                  });
              },
              _handlePasteSuccess: function(blob, extSuppliedName) {
                  var extension = blob.type.split("/")[1], name = extSuppliedName;
                  if (name == null) {
                      name = this._options.paste.defaultName;
                  }
                  name += "." + extension;
                  this.addFiles({
                      name: name,
                      blob: blob
                  });
              },
              _handleDeleteSuccess: function(id) {
                  if (this.getUploads({
                      id: id
                  }).status !== qq.status.DELETED) {
                      var name = this.getName(id);
                      this._netUploadedOrQueued--;
                      this._netUploaded--;
                      this._handler.expunge(id);
                      this._uploadData.setStatus(id, qq.status.DELETED);
                      this.log("Delete request for '" + name + "' has succeeded.");
                  }
              },
              _handleDeleteFailed: function(id, xhrOrXdr) {
                  var name = this.getName(id);
                  this._uploadData.setStatus(id, qq.status.DELETE_FAILED);
                  this.log("Delete request for '" + name + "' has failed.", "error");
                  if (!xhrOrXdr || xhrOrXdr.withCredentials === undefined) {
                      this._options.callbacks.onError(id, name, "Delete request failed", xhrOrXdr);
                  } else {
                      this._options.callbacks.onError(id, name, "Delete request failed with response code " + xhrOrXdr.status, xhrOrXdr);
                  }
              },
              _initExtraButton: function(spec) {
                  var button = this._createUploadButton({
                      accept: spec.validation.acceptFiles,
                      allowedExtensions: spec.validation.allowedExtensions,
                      element: spec.element,
                      folders: spec.folders,
                      multiple: spec.multiple,
                      title: spec.fileInputTitle
                  });
                  this._extraButtonSpecs[button.getButtonId()] = spec;
              },
              _initFormSupportAndParams: function() {
                  this._formSupport = qq.FormSupport && new qq.FormSupport(this._options.form, qq.bind(this.uploadStoredFiles, this), qq.bind(this.log, this));
                  if (this._formSupport && this._formSupport.attachedToForm) {
                      this._paramsStore = this._createStore(this._options.request.params, this._formSupport.getFormInputsAsObject);
                      this._options.autoUpload = this._formSupport.newAutoUpload;
                      if (this._formSupport.newEndpoint) {
                          this._options.request.endpoint = this._formSupport.newEndpoint;
                      }
                  } else {
                      this._paramsStore = this._createStore(this._options.request.params);
                  }
              },
              _isDeletePossible: function() {
                  if (!qq.DeleteFileAjaxRequester || !this._options.deleteFile.enabled) {
                      return false;
                  }
                  if (this._options.cors.expected) {
                      if (qq.supportedFeatures.deleteFileCorsXhr) {
                          return true;
                      }
                      if (qq.supportedFeatures.deleteFileCorsXdr && this._options.cors.allowXdr) {
                          return true;
                      }
                      return false;
                  }
                  return true;
              },
              _isAllowedExtension: function(allowed, fileName) {
                  var valid = false;
                  if (!allowed.length) {
                      return true;
                  }
                  qq.each(allowed, function(idx, allowedExt) {
                      if (qq.isString(allowedExt)) {
                          var extRegex = new RegExp("\\." + allowedExt + "$", "i");
                          if (fileName.match(extRegex) != null) {
                              valid = true;
                              return false;
                          }
                      }
                  });
                  return valid;
              },
              _itemError: function(code, maybeNameOrNames, item) {
                  var message = this._options.messages[code], allowedExtensions = [], names = [].concat(maybeNameOrNames), name = names[0], buttonId = this._getButtonId(item), validationBase = this._getValidationBase(buttonId), extensionsForMessage, placeholderMatch;
                  function r(name, replacement) {
                      message = message.replace(name, replacement);
                  }
                  qq.each(validationBase.allowedExtensions, function(idx, allowedExtension) {
                      if (qq.isString(allowedExtension)) {
                          allowedExtensions.push(allowedExtension);
                      }
                  });
                  extensionsForMessage = allowedExtensions.join(", ").toLowerCase();
                  r("{file}", this._options.formatFileName(name));
                  r("{extensions}", extensionsForMessage);
                  r("{sizeLimit}", this._formatSize(validationBase.sizeLimit));
                  r("{minSizeLimit}", this._formatSize(validationBase.minSizeLimit));
                  placeholderMatch = message.match(/(\{\w+\})/g);
                  if (placeholderMatch !== null) {
                      qq.each(placeholderMatch, function(idx, placeholder) {
                          r(placeholder, names[idx]);
                      });
                  }
                  this._options.callbacks.onError(null, name, message, undefined);
                  return message;
              },
              _manualRetry: function(id, callback) {
                  if (this._onBeforeManualRetry(id)) {
                      this._netUploadedOrQueued++;
                      this._uploadData.setStatus(id, qq.status.UPLOAD_RETRYING);
                      if (callback) {
                          callback(id);
                      } else {
                          this._handler.retry(id);
                      }
                      return true;
                  }
              },
              _maybeAllComplete: function(id, status) {
                  var self = this, notFinished = this._getNotFinished();
                  if (status === qq.status.UPLOAD_SUCCESSFUL) {
                      this._succeededSinceLastAllComplete.push(id);
                  } else if (status === qq.status.UPLOAD_FAILED) {
                      this._failedSinceLastAllComplete.push(id);
                  }
                  if (notFinished === 0 && (this._succeededSinceLastAllComplete.length || this._failedSinceLastAllComplete.length)) {
                      setTimeout(function() {
                          self._onAllComplete(self._succeededSinceLastAllComplete, self._failedSinceLastAllComplete);
                      }, 0);
                  }
              },
              _maybeHandleIos8SafariWorkaround: function() {
                  var self = this;
                  if (this._options.workarounds.ios8SafariUploads && qq.ios800() && qq.iosSafari()) {
                      setTimeout(function() {
                          window.alert(self._options.messages.unsupportedBrowserIos8Safari);
                      }, 0);
                      throw new qq.Error(this._options.messages.unsupportedBrowserIos8Safari);
                  }
              },
              _maybeParseAndSendUploadError: function(id, name, response, xhr) {
                  if (!response.success) {
                      if (xhr && xhr.status !== 200 && !response.error) {
                          this._options.callbacks.onError(id, name, "XHR returned response code " + xhr.status, xhr);
                      } else {
                          var errorReason = response.error ? response.error : this._options.text.defaultResponseError;
                          this._options.callbacks.onError(id, name, errorReason, xhr);
                      }
                  }
              },
              _maybeProcessNextItemAfterOnValidateCallback: function(validItem, items, index, params, endpoint) {
                  var self = this;
                  if (items.length > index) {
                      if (validItem || !this._options.validation.stopOnFirstInvalidFile) {
                          setTimeout(function() {
                              var validationDescriptor = self._getValidationDescriptor(items[index]), buttonId = self._getButtonId(items[index].file), button = self._getButton(buttonId);
                              self._handleCheckedCallback({
                                  name: "onValidate",
                                  callback: qq.bind(self._options.callbacks.onValidate, self, validationDescriptor, button),
                                  onSuccess: qq.bind(self._onValidateCallbackSuccess, self, items, index, params, endpoint),
                                  onFailure: qq.bind(self._onValidateCallbackFailure, self, items, index, params, endpoint),
                                  identifier: "Item '" + validationDescriptor.name + "', size: " + validationDescriptor.size
                              });
                          }, 0);
                      } else if (!validItem) {
                          for (;index < items.length; index++) {
                              self._fileOrBlobRejected(items[index].id);
                          }
                      }
                  }
              },
              _onAllComplete: function(successful, failed) {
                  this._totalProgress && this._totalProgress.onAllComplete(successful, failed, this._preventRetries);
                  this._options.callbacks.onAllComplete(qq.extend([], successful), qq.extend([], failed));
                  this._succeededSinceLastAllComplete = [];
                  this._failedSinceLastAllComplete = [];
              },
              _onAutoRetry: function(id, name, responseJSON, xhr, callback) {
                  var self = this;
                  self._preventRetries[id] = responseJSON[self._options.retry.preventRetryResponseProperty];
                  if (self._shouldAutoRetry(id)) {
                      var retryWaitPeriod = self._options.retry.autoAttemptDelay * 1e3;
                      self._maybeParseAndSendUploadError.apply(self, arguments);
                      self._options.callbacks.onAutoRetry(id, name, self._autoRetries[id]);
                      self._onBeforeAutoRetry(id, name);
                      self._uploadData.setStatus(id, qq.status.UPLOAD_RETRYING);
                      self._retryTimeouts[id] = setTimeout(function() {
                          self.log("Starting retry for " + name + "...");
                          if (callback) {
                              callback(id);
                          } else {
                              self._handler.retry(id);
                          }
                      }, retryWaitPeriod);
                      return true;
                  }
              },
              _onBeforeAutoRetry: function(id, name) {
                  this.log("Waiting " + this._options.retry.autoAttemptDelay + " seconds before retrying " + name + "...");
              },
              _onBeforeManualRetry: function(id) {
                  var itemLimit = this._currentItemLimit, fileName;
                  if (this._preventRetries[id]) {
                      this.log("Retries are forbidden for id " + id, "warn");
                      return false;
                  } else if (this._handler.isValid(id)) {
                      fileName = this.getName(id);
                      if (this._options.callbacks.onManualRetry(id, fileName) === false) {
                          return false;
                      }
                      if (itemLimit > 0 && this._netUploadedOrQueued + 1 > itemLimit) {
                          this._itemError("retryFailTooManyItems");
                          return false;
                      }
                      this.log("Retrying upload for '" + fileName + "' (id: " + id + ")...");
                      return true;
                  } else {
                      this.log("'" + id + "' is not a valid file ID", "error");
                      return false;
                  }
              },
              _onCancel: function(id, name) {
                  this._netUploadedOrQueued--;
                  clearTimeout(this._retryTimeouts[id]);
                  var storedItemIndex = qq.indexOf(this._storedIds, id);
                  if (!this._options.autoUpload && storedItemIndex >= 0) {
                      this._storedIds.splice(storedItemIndex, 1);
                  }
                  this._uploadData.setStatus(id, qq.status.CANCELED);
              },
              _onComplete: function(id, name, result, xhr) {
                  if (!result.success) {
                      this._netUploadedOrQueued--;
                      this._uploadData.setStatus(id, qq.status.UPLOAD_FAILED);
                      if (result[this._options.retry.preventRetryResponseProperty] === true) {
                          this._preventRetries[id] = true;
                      }
                  } else {
                      if (result.thumbnailUrl) {
                          this._thumbnailUrls[id] = result.thumbnailUrl;
                      }
                      this._netUploaded++;
                      this._uploadData.setStatus(id, qq.status.UPLOAD_SUCCESSFUL);
                  }
                  this._maybeParseAndSendUploadError(id, name, result, xhr);
                  return result.success ? true : false;
              },
              _onDelete: function(id) {
                  this._uploadData.setStatus(id, qq.status.DELETING);
              },
              _onDeleteComplete: function(id, xhrOrXdr, isError) {
                  var name = this.getName(id);
                  if (isError) {
                      this._handleDeleteFailed(id, xhrOrXdr);
                  } else {
                      this._handleDeleteSuccess(id);
                  }
              },
              _onInputChange: function(input) {
                  var fileIndex;
                  if (qq.supportedFeatures.ajaxUploading) {
                      for (fileIndex = 0; fileIndex < input.files.length; fileIndex++) {
                          this._annotateWithButtonId(input.files[fileIndex], input);
                      }
                      this.addFiles(input.files);
                  } else if (input.value.length > 0) {
                      this.addFiles(input);
                  }
                  qq.each(this._buttons, function(idx, button) {
                      button.reset();
                  });
              },
              _onProgress: function(id, name, loaded, total) {
                  this._totalProgress && this._totalProgress.onIndividualProgress(id, loaded, total);
              },
              _onSubmit: function(id, name) {},
              _onSubmitCallbackSuccess: function(id, name) {
                  this._onSubmit.apply(this, arguments);
                  this._uploadData.setStatus(id, qq.status.SUBMITTED);
                  this._onSubmitted.apply(this, arguments);
                  if (this._options.autoUpload) {
                      this._options.callbacks.onSubmitted.apply(this, arguments);
                      this._uploadFile(id);
                  } else {
                      this._storeForLater(id);
                      this._options.callbacks.onSubmitted.apply(this, arguments);
                  }
              },
              _onSubmitDelete: function(id, onSuccessCallback, additionalMandatedParams) {
                  var uuid = this.getUuid(id), adjustedOnSuccessCallback;
                  if (onSuccessCallback) {
                      adjustedOnSuccessCallback = qq.bind(onSuccessCallback, this, id, uuid, additionalMandatedParams);
                  }
                  if (this._isDeletePossible()) {
                      this._handleCheckedCallback({
                          name: "onSubmitDelete",
                          callback: qq.bind(this._options.callbacks.onSubmitDelete, this, id),
                          onSuccess: adjustedOnSuccessCallback || qq.bind(this._deleteHandler.sendDelete, this, id, uuid, additionalMandatedParams),
                          identifier: id
                      });
                      return true;
                  } else {
                      this.log("Delete request ignored for ID " + id + ", delete feature is disabled or request not possible " + "due to CORS on a user agent that does not support pre-flighting.", "warn");
                      return false;
                  }
              },
              _onSubmitted: function(id) {},
              _onTotalProgress: function(loaded, total) {
                  this._options.callbacks.onTotalProgress(loaded, total);
              },
              _onUploadPrep: function(id) {},
              _onUpload: function(id, name) {
                  this._uploadData.setStatus(id, qq.status.UPLOADING);
              },
              _onUploadChunk: function(id, chunkData) {},
              _onUploadChunkSuccess: function(id, chunkData) {
                  if (!this._preventRetries[id] && this._options.retry.enableAuto) {
                      this._autoRetries[id] = 0;
                  }
              },
              _onUploadStatusChange: function(id, oldStatus, newStatus) {
                  if (newStatus === qq.status.PAUSED) {
                      clearTimeout(this._retryTimeouts[id]);
                  }
              },
              _onValidateBatchCallbackFailure: function(fileWrappers) {
                  var self = this;
                  qq.each(fileWrappers, function(idx, fileWrapper) {
                      self._fileOrBlobRejected(fileWrapper.id);
                  });
              },
              _onValidateBatchCallbackSuccess: function(validationDescriptors, items, params, endpoint, button) {
                  var errorMessage, itemLimit = this._currentItemLimit, proposedNetFilesUploadedOrQueued = this._netUploadedOrQueued;
                  if (itemLimit === 0 || proposedNetFilesUploadedOrQueued <= itemLimit) {
                      if (items.length > 0) {
                          this._handleCheckedCallback({
                              name: "onValidate",
                              callback: qq.bind(this._options.callbacks.onValidate, this, validationDescriptors[0], button),
                              onSuccess: qq.bind(this._onValidateCallbackSuccess, this, items, 0, params, endpoint),
                              onFailure: qq.bind(this._onValidateCallbackFailure, this, items, 0, params, endpoint),
                              identifier: "Item '" + items[0].file.name + "', size: " + items[0].file.size
                          });
                      } else {
                          this._itemError("noFilesError");
                      }
                  } else {
                      this._onValidateBatchCallbackFailure(items);
                      errorMessage = this._options.messages.tooManyItemsError.replace(/\{netItems\}/g, proposedNetFilesUploadedOrQueued).replace(/\{itemLimit\}/g, itemLimit);
                      this._batchError(errorMessage);
                  }
              },
              _onValidateCallbackFailure: function(items, index, params, endpoint) {
                  var nextIndex = index + 1;
                  this._fileOrBlobRejected(items[index].id, items[index].file.name);
                  this._maybeProcessNextItemAfterOnValidateCallback(false, items, nextIndex, params, endpoint);
              },
              _onValidateCallbackSuccess: function(items, index, params, endpoint) {
                  var self = this, nextIndex = index + 1, validationDescriptor = this._getValidationDescriptor(items[index]);
                  this._validateFileOrBlobData(items[index], validationDescriptor).then(function() {
                      self._upload(items[index].id, params, endpoint);
                      self._maybeProcessNextItemAfterOnValidateCallback(true, items, nextIndex, params, endpoint);
                  }, function() {
                      self._maybeProcessNextItemAfterOnValidateCallback(false, items, nextIndex, params, endpoint);
                  });
              },
              _prepareItemsForUpload: function(items, params, endpoint) {
                  if (items.length === 0) {
                      this._itemError("noFilesError");
                      return;
                  }
                  var validationDescriptors = this._getValidationDescriptors(items), buttonId = this._getButtonId(items[0].file), button = this._getButton(buttonId);
                  this._handleCheckedCallback({
                      name: "onValidateBatch",
                      callback: qq.bind(this._options.callbacks.onValidateBatch, this, validationDescriptors, button),
                      onSuccess: qq.bind(this._onValidateBatchCallbackSuccess, this, validationDescriptors, items, params, endpoint, button),
                      onFailure: qq.bind(this._onValidateBatchCallbackFailure, this, items),
                      identifier: "batch validation"
                  });
              },
              _preventLeaveInProgress: function() {
                  var self = this;
                  this._disposeSupport.attach(window, "beforeunload", function(e) {
                      if (self.getInProgress()) {
                          e = e || window.event;
                          e.returnValue = self._options.messages.onLeave;
                          return self._options.messages.onLeave;
                      }
                  });
              },
              _refreshSessionData: function() {
                  var self = this, options = this._options.session;
                  if (qq.Session && this._options.session.endpoint != null) {
                      if (!this._session) {
                          qq.extend(options, {
                              cors: this._options.cors
                          });
                          options.log = qq.bind(this.log, this);
                          options.addFileRecord = qq.bind(this._addCannedFile, this);
                          this._session = new qq.Session(options);
                      }
                      setTimeout(function() {
                          self._session.refresh().then(function(response, xhrOrXdr) {
                              self._sessionRequestComplete();
                              self._options.callbacks.onSessionRequestComplete(response, true, xhrOrXdr);
                          }, function(response, xhrOrXdr) {
                              self._options.callbacks.onSessionRequestComplete(response, false, xhrOrXdr);
                          });
                      }, 0);
                  }
              },
              _sessionRequestComplete: function() {},
              _setSize: function(id, newSize) {
                  this._uploadData.updateSize(id, newSize);
                  this._totalProgress && this._totalProgress.onNewSize(id);
              },
              _shouldAutoRetry: function(id) {
                  var uploadData = this._uploadData.retrieve({
                      id: id
                  });
                  if (!this._preventRetries[id] && this._options.retry.enableAuto && uploadData.status !== qq.status.PAUSED) {
                      if (this._autoRetries[id] === undefined) {
                          this._autoRetries[id] = 0;
                      }
                      if (this._autoRetries[id] < this._options.retry.maxAutoAttempts) {
                          this._autoRetries[id] += 1;
                          return true;
                      }
                  }
                  return false;
              },
              _storeForLater: function(id) {
                  this._storedIds.push(id);
              },
              _trackButton: function(id) {
                  var buttonId;
                  if (qq.supportedFeatures.ajaxUploading) {
                      buttonId = this._handler.getFile(id).qqButtonId;
                  } else {
                      buttonId = this._getButtonId(this._handler.getInput(id));
                  }
                  if (buttonId) {
                      this._buttonIdsForFileIds[id] = buttonId;
                  }
              },
              _updateFormSupportAndParams: function(formElementOrId) {
                  this._options.form.element = formElementOrId;
                  this._formSupport = qq.FormSupport && new qq.FormSupport(this._options.form, qq.bind(this.uploadStoredFiles, this), qq.bind(this.log, this));
                  if (this._formSupport && this._formSupport.attachedToForm) {
                      this._paramsStore.addReadOnly(null, this._formSupport.getFormInputsAsObject);
                      this._options.autoUpload = this._formSupport.newAutoUpload;
                      if (this._formSupport.newEndpoint) {
                          this.setEndpoint(this._formSupport.newEndpoint);
                      }
                  }
              },
              _upload: function(id, params, endpoint) {
                  var name = this.getName(id);
                  if (params) {
                      this.setParams(params, id);
                  }
                  if (endpoint) {
                      this.setEndpoint(endpoint, id);
                  }
                  this._handleCheckedCallback({
                      name: "onSubmit",
                      callback: qq.bind(this._options.callbacks.onSubmit, this, id, name),
                      onSuccess: qq.bind(this._onSubmitCallbackSuccess, this, id, name),
                      onFailure: qq.bind(this._fileOrBlobRejected, this, id, name),
                      identifier: id
                  });
              },
              _uploadFile: function(id) {
                  if (!this._handler.upload(id)) {
                      this._uploadData.setStatus(id, qq.status.QUEUED);
                  }
              },
              _uploadStoredFiles: function() {
                  var idToUpload, stillSubmitting, self = this;
                  while (this._storedIds.length) {
                      idToUpload = this._storedIds.shift();
                      this._uploadFile(idToUpload);
                  }
                  stillSubmitting = this.getUploads({
                      status: qq.status.SUBMITTING
                  }).length;
                  if (stillSubmitting) {
                      qq.log("Still waiting for " + stillSubmitting + " files to clear submit queue. Will re-parse stored IDs array shortly.");
                      setTimeout(function() {
                          self._uploadStoredFiles();
                      }, 1e3);
                  }
              },
              _validateFileOrBlobData: function(fileWrapper, validationDescriptor) {
                  var self = this, file = function() {
                      if (fileWrapper.file instanceof qq.BlobProxy) {
                          return fileWrapper.file.referenceBlob;
                      }
                      return fileWrapper.file;
                  }(), name = validationDescriptor.name, size = validationDescriptor.size, buttonId = this._getButtonId(fileWrapper.file), validationBase = this._getValidationBase(buttonId), validityChecker = new qq.Promise();
                  validityChecker.then(function() {}, function() {
                      self._fileOrBlobRejected(fileWrapper.id, name);
                  });
                  if (qq.isFileOrInput(file) && !this._isAllowedExtension(validationBase.allowedExtensions, name)) {
                      this._itemError("typeError", name, file);
                      return validityChecker.failure();
                  }
                  if (!this._options.validation.allowEmpty && size === 0) {
                      this._itemError("emptyError", name, file);
                      return validityChecker.failure();
                  }
                  if (size > 0 && validationBase.sizeLimit && size > validationBase.sizeLimit) {
                      this._itemError("sizeError", name, file);
                      return validityChecker.failure();
                  }
                  if (size > 0 && size < validationBase.minSizeLimit) {
                      this._itemError("minSizeError", name, file);
                      return validityChecker.failure();
                  }
                  if (qq.ImageValidation && qq.supportedFeatures.imagePreviews && qq.isFile(file)) {
                      new qq.ImageValidation(file, qq.bind(self.log, self)).validate(validationBase.image).then(validityChecker.success, function(errorCode) {
                          self._itemError(errorCode + "ImageError", name, file);
                          validityChecker.failure();
                      });
                  } else {
                      validityChecker.success();
                  }
                  return validityChecker;
              },
              _wrapCallbacks: function() {
                  var self, safeCallback, prop;
                  self = this;
                  safeCallback = function(name, callback, args) {
                      var errorMsg;
                      try {
                          return callback.apply(self, args);
                      } catch (exception) {
                          errorMsg = exception.message || exception.toString();
                          self.log("Caught exception in '" + name + "' callback - " + errorMsg, "error");
                      }
                  };
                  for (prop in this._options.callbacks) {
                      (function() {
                          var callbackName, callbackFunc;
                          callbackName = prop;
                          callbackFunc = self._options.callbacks[callbackName];
                          self._options.callbacks[callbackName] = function() {
                              return safeCallback(callbackName, callbackFunc, arguments);
                          };
                      })();
                  }
              }
          };
      })();
      (function() {
          "use strict";
          qq.FineUploaderBasic = function(o) {
              var self = this;
              this._options = {
                  debug: false,
                  button: null,
                  multiple: true,
                  maxConnections: 3,
                  disableCancelForFormUploads: false,
                  autoUpload: true,
                  warnBeforeUnload: true,
                  request: {
                      customHeaders: {},
                      endpoint: "/server/upload",
                      filenameParam: "qqfilename",
                      forceMultipart: true,
                      inputName: "qqfile",
                      method: "POST",
                      omitDefaultParams: false,
                      params: {},
                      paramsInBody: true,
                      requireSuccessJson: true,
                      totalFileSizeName: "qqtotalfilesize",
                      uuidName: "qquuid"
                  },
                  validation: {
                      allowedExtensions: [],
                      sizeLimit: 0,
                      minSizeLimit: 0,
                      itemLimit: 0,
                      stopOnFirstInvalidFile: true,
                      acceptFiles: null,
                      image: {
                          maxHeight: 0,
                          maxWidth: 0,
                          minHeight: 0,
                          minWidth: 0
                      },
                      allowEmpty: false
                  },
                  callbacks: {
                      onSubmit: function(id, name) {},
                      onSubmitted: function(id, name) {},
                      onComplete: function(id, name, responseJSON, maybeXhr) {},
                      onAllComplete: function(successful, failed) {},
                      onCancel: function(id, name) {},
                      onUpload: function(id, name) {},
                      onUploadChunk: function(id, name, chunkData) {},
                      onUploadChunkSuccess: function(id, chunkData, responseJSON, xhr) {},
                      onResume: function(id, fileName, chunkData, customResumeData) {},
                      onProgress: function(id, name, loaded, total) {},
                      onTotalProgress: function(loaded, total) {},
                      onError: function(id, name, reason, maybeXhrOrXdr) {},
                      onAutoRetry: function(id, name, attemptNumber) {},
                      onManualRetry: function(id, name) {},
                      onValidateBatch: function(fileOrBlobData) {},
                      onValidate: function(fileOrBlobData) {},
                      onSubmitDelete: function(id) {},
                      onDelete: function(id) {},
                      onDeleteComplete: function(id, xhrOrXdr, isError) {},
                      onPasteReceived: function(blob) {},
                      onStatusChange: function(id, oldStatus, newStatus) {},
                      onSessionRequestComplete: function(response, success, xhrOrXdr) {}
                  },
                  messages: {
                      typeError: "{file} has an invalid extension. Valid extension(s): {extensions}.",
                      sizeError: "{file} is too large, maximum file size is {sizeLimit}.",
                      minSizeError: "{file} is too small, minimum file size is {minSizeLimit}.",
                      emptyError: "{file} is empty, please select files again without it.",
                      noFilesError: "No files to upload.",
                      tooManyItemsError: "Too many items ({netItems}) would be uploaded.  Item limit is {itemLimit}.",
                      maxHeightImageError: "Image is too tall.",
                      maxWidthImageError: "Image is too wide.",
                      minHeightImageError: "Image is not tall enough.",
                      minWidthImageError: "Image is not wide enough.",
                      retryFailTooManyItems: "Retry failed - you have reached your file limit.",
                      onLeave: "The files are being uploaded, if you leave now the upload will be canceled.",
                      unsupportedBrowserIos8Safari: "Unrecoverable error - this browser does not permit file uploading of any kind due to serious bugs in iOS8 Safari.  Please use iOS8 Chrome until Apple fixes these issues."
                  },
                  retry: {
                      enableAuto: false,
                      maxAutoAttempts: 3,
                      autoAttemptDelay: 5,
                      preventRetryResponseProperty: "preventRetry"
                  },
                  classes: {
                      buttonHover: "qq-upload-button-hover",
                      buttonFocus: "qq-upload-button-focus"
                  },
                  chunking: {
                      enabled: false,
                      concurrent: {
                          enabled: false
                      },
                      mandatory: false,
                      paramNames: {
                          partIndex: "qqpartindex",
                          partByteOffset: "qqpartbyteoffset",
                          chunkSize: "qqchunksize",
                          totalFileSize: "qqtotalfilesize",
                          totalParts: "qqtotalparts"
                      },
                      partSize: function(id) {
                          return 2e6;
                      },
                      success: {
                          endpoint: null,
                          headers: function(id) {
                              return null;
                          },
                          jsonPayload: false,
                          method: "POST",
                          params: function(id) {
                              return null;
                          },
                          resetOnStatus: []
                      }
                  },
                  resume: {
                      enabled: false,
                      recordsExpireIn: 7,
                      paramNames: {
                          resuming: "qqresume"
                      },
                      customKeys: function(fileId) {
                          return [];
                      }
                  },
                  formatFileName: function(fileOrBlobName) {
                      return fileOrBlobName;
                  },
                  text: {
                      defaultResponseError: "Upload failure reason unknown",
                      fileInputTitle: "file input",
                      sizeSymbols: [ "kB", "MB", "GB", "TB", "PB", "EB" ]
                  },
                  deleteFile: {
                      enabled: false,
                      method: "DELETE",
                      endpoint: "/server/upload",
                      customHeaders: {},
                      params: {}
                  },
                  cors: {
                      expected: false,
                      sendCredentials: false,
                      allowXdr: false
                  },
                  blobs: {
                      defaultName: "misc_data"
                  },
                  paste: {
                      targetElement: null,
                      defaultName: "pasted_image"
                  },
                  camera: {
                      ios: false,
                      button: null
                  },
                  extraButtons: [],
                  session: {
                      endpoint: null,
                      params: {},
                      customHeaders: {},
                      refreshOnReset: true
                  },
                  form: {
                      element: "qq-form",
                      autoUpload: false,
                      interceptSubmit: true
                  },
                  scaling: {
                      customResizer: null,
                      sendOriginal: true,
                      orient: true,
                      defaultType: null,
                      defaultQuality: 80,
                      failureText: "Failed to scale",
                      includeExif: false,
                      sizes: []
                  },
                  workarounds: {
                      iosEmptyVideos: true,
                      ios8SafariUploads: true,
                      ios8BrowserCrash: false
                  }
              };
              qq.extend(this._options, o, true);
              this._buttons = [];
              this._extraButtonSpecs = {};
              this._buttonIdsForFileIds = [];
              this._wrapCallbacks();
              this._disposeSupport = new qq.DisposeSupport();
              this._storedIds = [];
              this._autoRetries = [];
              this._retryTimeouts = [];
              this._preventRetries = [];
              this._thumbnailUrls = [];
              this._netUploadedOrQueued = 0;
              this._netUploaded = 0;
              this._uploadData = this._createUploadDataTracker();
              this._initFormSupportAndParams();
              this._customHeadersStore = this._createStore(this._options.request.customHeaders);
              this._deleteFileCustomHeadersStore = this._createStore(this._options.deleteFile.customHeaders);
              this._deleteFileParamsStore = this._createStore(this._options.deleteFile.params);
              this._endpointStore = this._createStore(this._options.request.endpoint);
              this._deleteFileEndpointStore = this._createStore(this._options.deleteFile.endpoint);
              this._handler = this._createUploadHandler();
              this._deleteHandler = qq.DeleteFileAjaxRequester && this._createDeleteHandler();
              if (this._options.button) {
                  this._defaultButtonId = this._createUploadButton({
                      element: this._options.button,
                      title: this._options.text.fileInputTitle
                  }).getButtonId();
              }
              this._generateExtraButtonSpecs();
              this._handleCameraAccess();
              if (this._options.paste.targetElement) {
                  if (qq.PasteSupport) {
                      this._pasteHandler = this._createPasteHandler();
                  } else {
                      this.log("Paste support module not found", "error");
                  }
              }
              this._options.warnBeforeUnload && this._preventLeaveInProgress();
              this._imageGenerator = qq.ImageGenerator && new qq.ImageGenerator(qq.bind(this.log, this));
              this._refreshSessionData();
              this._succeededSinceLastAllComplete = [];
              this._failedSinceLastAllComplete = [];
              this._scaler = qq.Scaler && new qq.Scaler(this._options.scaling, qq.bind(this.log, this)) || {};
              if (this._scaler.enabled) {
                  this._customNewFileHandler = qq.bind(this._scaler.handleNewFile, this._scaler);
              }
              if (qq.TotalProgress && qq.supportedFeatures.progressBar) {
                  this._totalProgress = new qq.TotalProgress(qq.bind(this._onTotalProgress, this), function(id) {
                      var entry = self._uploadData.retrieve({
                          id: id
                      });
                      return entry && entry.size || 0;
                  });
              }
              this._currentItemLimit = this._options.validation.itemLimit;
              this._customResumeDataStore = this._createStore();
          };
          qq.FineUploaderBasic.prototype = qq.basePublicApi;
          qq.extend(qq.FineUploaderBasic.prototype, qq.basePrivateApi);
      })();
      qq.AjaxRequester = function(o) {
          "use strict";
          var log, shouldParamsBeInQueryString, queue = [], requestData = {}, options = {
              acceptHeader: null,
              validMethods: [ "PATCH", "POST", "PUT" ],
              method: "POST",
              contentType: "application/x-www-form-urlencoded",
              maxConnections: 3,
              customHeaders: {},
              endpointStore: {},
              paramsStore: {},
              mandatedParams: {},
              allowXRequestedWithAndCacheControl: true,
              successfulResponseCodes: {
                  DELETE: [ 200, 202, 204 ],
                  PATCH: [ 200, 201, 202, 203, 204 ],
                  POST: [ 200, 201, 202, 203, 204 ],
                  PUT: [ 200, 201, 202, 203, 204 ],
                  GET: [ 200 ]
              },
              cors: {
                  expected: false,
                  sendCredentials: false
              },
              log: function(str, level) {},
              onSend: function(id) {},
              onComplete: function(id, xhrOrXdr, isError) {},
              onProgress: null
          };
          qq.extend(options, o);
          log = options.log;
          if (qq.indexOf(options.validMethods, options.method) < 0) {
              throw new Error("'" + options.method + "' is not a supported method for this type of request!");
          }
          function isSimpleMethod() {
              return qq.indexOf([ "GET", "POST", "HEAD" ], options.method) >= 0;
          }
          function containsNonSimpleHeaders(headers) {
              var containsNonSimple = false;
              qq.each(containsNonSimple, function(idx, header) {
                  if (qq.indexOf([ "Accept", "Accept-Language", "Content-Language", "Content-Type" ], header) < 0) {
                      containsNonSimple = true;
                      return false;
                  }
              });
              return containsNonSimple;
          }
          function isXdr(xhr) {
              return options.cors.expected && xhr.withCredentials === undefined;
          }
          function getCorsAjaxTransport() {
              var xhrOrXdr;
              if (window.XMLHttpRequest || window.ActiveXObject) {
                  xhrOrXdr = qq.createXhrInstance();
                  if (xhrOrXdr.withCredentials === undefined) {
                      xhrOrXdr = new XDomainRequest();
                      xhrOrXdr.onload = function() {};
                      xhrOrXdr.onerror = function() {};
                      xhrOrXdr.ontimeout = function() {};
                      xhrOrXdr.onprogress = function() {};
                  }
              }
              return xhrOrXdr;
          }
          function getXhrOrXdr(id, suppliedXhr) {
              var xhrOrXdr = requestData[id].xhr;
              if (!xhrOrXdr) {
                  if (suppliedXhr) {
                      xhrOrXdr = suppliedXhr;
                  } else {
                      if (options.cors.expected) {
                          xhrOrXdr = getCorsAjaxTransport();
                      } else {
                          xhrOrXdr = qq.createXhrInstance();
                      }
                  }
                  requestData[id].xhr = xhrOrXdr;
              }
              return xhrOrXdr;
          }
          function dequeue(id) {
              var i = qq.indexOf(queue, id), max = options.maxConnections, nextId;
              delete requestData[id];
              queue.splice(i, 1);
              if (queue.length >= max && i < max) {
                  nextId = queue[max - 1];
                  sendRequest(nextId);
              }
          }
          function onComplete(id, xdrError) {
              var xhr = getXhrOrXdr(id), method = options.method, isError = xdrError === true;
              dequeue(id);
              if (isError) {
                  log(method + " request for " + id + " has failed", "error");
              } else if (!isXdr(xhr) && !isResponseSuccessful(xhr.status)) {
                  isError = true;
                  log(method + " request for " + id + " has failed - response code " + xhr.status, "error");
              }
              options.onComplete(id, xhr, isError);
          }
          function getParams(id) {
              var onDemandParams = requestData[id].additionalParams, mandatedParams = options.mandatedParams, params;
              if (options.paramsStore.get) {
                  params = options.paramsStore.get(id);
              }
              if (onDemandParams) {
                  qq.each(onDemandParams, function(name, val) {
                      params = params || {};
                      params[name] = val;
                  });
              }
              if (mandatedParams) {
                  qq.each(mandatedParams, function(name, val) {
                      params = params || {};
                      params[name] = val;
                  });
              }
              return params;
          }
          function sendRequest(id, optXhr) {
              var xhr = getXhrOrXdr(id, optXhr), method = options.method, params = getParams(id), payload = requestData[id].payload, url;
              options.onSend(id);
              url = createUrl(id, params, requestData[id].additionalQueryParams);
              if (isXdr(xhr)) {
                  xhr.onload = getXdrLoadHandler(id);
                  xhr.onerror = getXdrErrorHandler(id);
              } else {
                  xhr.onreadystatechange = getXhrReadyStateChangeHandler(id);
              }
              registerForUploadProgress(id);
              xhr.open(method, url, true);
              if (options.cors.expected && options.cors.sendCredentials && !isXdr(xhr)) {
                  xhr.withCredentials = true;
              }
              setHeaders(id);
              log("Sending " + method + " request for " + id);
              if (payload) {
                  xhr.send(payload);
              } else if (shouldParamsBeInQueryString || !params) {
                  xhr.send();
              } else if (params && options.contentType && options.contentType.toLowerCase().indexOf("application/x-www-form-urlencoded") >= 0) {
                  xhr.send(qq.obj2url(params, ""));
              } else if (params && options.contentType && options.contentType.toLowerCase().indexOf("application/json") >= 0) {
                  xhr.send(JSON.stringify(params));
              } else {
                  xhr.send(params);
              }
              return xhr;
          }
          function createUrl(id, params, additionalQueryParams) {
              var endpoint = options.endpointStore.get(id), addToPath = requestData[id].addToPath;
              if (addToPath != undefined) {
                  endpoint += "/" + addToPath;
              }
              if (shouldParamsBeInQueryString && params) {
                  endpoint = qq.obj2url(params, endpoint);
              }
              if (additionalQueryParams) {
                  endpoint = qq.obj2url(additionalQueryParams, endpoint);
              }
              return endpoint;
          }
          function getXhrReadyStateChangeHandler(id) {
              return function() {
                  if (getXhrOrXdr(id).readyState === 4) {
                      onComplete(id);
                  }
              };
          }
          function registerForUploadProgress(id) {
              var onProgress = options.onProgress;
              if (onProgress) {
                  getXhrOrXdr(id).upload.onprogress = function(e) {
                      if (e.lengthComputable) {
                          onProgress(id, e.loaded, e.total);
                      }
                  };
              }
          }
          function getXdrLoadHandler(id) {
              return function() {
                  onComplete(id);
              };
          }
          function getXdrErrorHandler(id) {
              return function() {
                  onComplete(id, true);
              };
          }
          function setHeaders(id) {
              var xhr = getXhrOrXdr(id), customHeaders = options.customHeaders, onDemandHeaders = requestData[id].additionalHeaders || {}, method = options.method, allHeaders = {};
              if (!isXdr(xhr)) {
                  options.acceptHeader && xhr.setRequestHeader("Accept", options.acceptHeader);
                  if (options.allowXRequestedWithAndCacheControl) {
                      if (!options.cors.expected || (!isSimpleMethod() || containsNonSimpleHeaders(customHeaders))) {
                          xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
                          xhr.setRequestHeader("Cache-Control", "no-cache");
                      }
                  }
                  if (options.contentType && (method === "POST" || method === "PUT")) {
                      xhr.setRequestHeader("Content-Type", options.contentType);
                  }
                  qq.extend(allHeaders, qq.isFunction(customHeaders) ? customHeaders(id) : customHeaders);
                  qq.extend(allHeaders, onDemandHeaders);
                  qq.each(allHeaders, function(name, val) {
                      xhr.setRequestHeader(name, val);
                  });
              }
          }
          function isResponseSuccessful(responseCode) {
              return qq.indexOf(options.successfulResponseCodes[options.method], responseCode) >= 0;
          }
          function prepareToSend(id, optXhr, addToPath, additionalParams, additionalQueryParams, additionalHeaders, payload) {
              requestData[id] = {
                  addToPath: addToPath,
                  additionalParams: additionalParams,
                  additionalQueryParams: additionalQueryParams,
                  additionalHeaders: additionalHeaders,
                  payload: payload
              };
              var len = queue.push(id);
              if (len <= options.maxConnections) {
                  return sendRequest(id, optXhr);
              }
          }
          shouldParamsBeInQueryString = options.method === "GET" || options.method === "DELETE";
          qq.extend(this, {
              initTransport: function(id) {
                  var path, params, headers, payload, cacheBuster, additionalQueryParams;
                  return {
                      withPath: function(appendToPath) {
                          path = appendToPath;
                          return this;
                      },
                      withParams: function(additionalParams) {
                          params = additionalParams;
                          return this;
                      },
                      withQueryParams: function(_additionalQueryParams_) {
                          additionalQueryParams = _additionalQueryParams_;
                          return this;
                      },
                      withHeaders: function(additionalHeaders) {
                          headers = additionalHeaders;
                          return this;
                      },
                      withPayload: function(thePayload) {
                          payload = thePayload;
                          return this;
                      },
                      withCacheBuster: function() {
                          cacheBuster = true;
                          return this;
                      },
                      send: function(optXhr) {
                          if (cacheBuster && qq.indexOf([ "GET", "DELETE" ], options.method) >= 0) {
                              params.qqtimestamp = new Date().getTime();
                          }
                          return prepareToSend(id, optXhr, path, params, additionalQueryParams, headers, payload);
                      }
                  };
              },
              canceled: function(id) {
                  dequeue(id);
              }
          });
      };
      qq.UploadHandler = function(spec) {
          "use strict";
          var proxy = spec.proxy, fileState = {}, onCancel = proxy.onCancel, getName = proxy.getName;
          qq.extend(this, {
              add: function(id, fileItem) {
                  fileState[id] = fileItem;
                  fileState[id].temp = {};
              },
              cancel: function(id) {
                  var self = this, cancelFinalizationEffort = new qq.Promise(), onCancelRetVal = onCancel(id, getName(id), cancelFinalizationEffort);
                  onCancelRetVal.then(function() {
                      if (self.isValid(id)) {
                          fileState[id].canceled = true;
                          self.expunge(id);
                      }
                      cancelFinalizationEffort.success();
                  });
              },
              expunge: function(id) {
                  delete fileState[id];
              },
              getThirdPartyFileId: function(id) {
                  return fileState[id].key;
              },
              isValid: function(id) {
                  return fileState[id] !== undefined;
              },
              reset: function() {
                  fileState = {};
              },
              _getFileState: function(id) {
                  return fileState[id];
              },
              _setThirdPartyFileId: function(id, thirdPartyFileId) {
                  fileState[id].key = thirdPartyFileId;
              },
              _wasCanceled: function(id) {
                  return !!fileState[id].canceled;
              }
          });
      };
      qq.UploadHandlerController = function(o, namespace) {
          "use strict";
          var controller = this, chunkingPossible = false, concurrentChunkingPossible = false, chunking, preventRetryResponse, log, handler, options = {
              paramsStore: {},
              maxConnections: 3,
              chunking: {
                  enabled: false,
                  multiple: {
                      enabled: false
                  }
              },
              log: function(str, level) {},
              onProgress: function(id, fileName, loaded, total) {},
              onComplete: function(id, fileName, response, xhr) {},
              onCancel: function(id, fileName) {},
              onUploadPrep: function(id) {},
              onUpload: function(id, fileName) {},
              onUploadChunk: function(id, fileName, chunkData) {},
              onUploadChunkSuccess: function(id, chunkData, response, xhr) {},
              onAutoRetry: function(id, fileName, response, xhr) {},
              onResume: function(id, fileName, chunkData, customResumeData) {},
              onUuidChanged: function(id, newUuid) {},
              getName: function(id) {},
              setSize: function(id, newSize) {},
              isQueued: function(id) {},
              getIdsInProxyGroup: function(id) {},
              getIdsInBatch: function(id) {},
              isInProgress: function(id) {}
          }, chunked = {
              done: function(id, chunkIdx, response, xhr) {
                  var chunkData = handler._getChunkData(id, chunkIdx);
                  handler._getFileState(id).attemptingResume = false;
                  delete handler._getFileState(id).temp.chunkProgress[chunkIdx];
                  handler._getFileState(id).loaded += chunkData.size;
                  options.onUploadChunkSuccess(id, handler._getChunkDataForCallback(chunkData), response, xhr);
              },
              finalize: function(id) {
                  var size = options.getSize(id), name = options.getName(id);
                  log("All chunks have been uploaded for " + id + " - finalizing....");
                  handler.finalizeChunks(id).then(function(response, xhr) {
                      log("Finalize successful for " + id);
                      var normaizedResponse = upload.normalizeResponse(response, true);
                      options.onProgress(id, name, size, size);
                      handler._maybeDeletePersistedChunkData(id);
                      upload.cleanup(id, normaizedResponse, xhr);
                  }, function(response, xhr) {
                      var normalizedResponse = upload.normalizeResponse(response, false);
                      log("Problem finalizing chunks for file ID " + id + " - " + normalizedResponse.error, "error");
                      if (normalizedResponse.reset || xhr && options.chunking.success.resetOnStatus.indexOf(xhr.status) >= 0) {
                          chunked.reset(id);
                      }
                      if (!options.onAutoRetry(id, name, normalizedResponse, xhr)) {
                          upload.cleanup(id, normalizedResponse, xhr);
                      }
                  });
              },
              handleFailure: function(chunkIdx, id, response, xhr) {
                  var name = options.getName(id);
                  log("Chunked upload request failed for " + id + ", chunk " + chunkIdx);
                  handler.clearCachedChunk(id, chunkIdx);
                  var responseToReport = upload.normalizeResponse(response, false), inProgressIdx;
                  if (responseToReport.reset) {
                      chunked.reset(id);
                  } else {
                      inProgressIdx = qq.indexOf(handler._getFileState(id).chunking.inProgress, chunkIdx);
                      if (inProgressIdx >= 0) {
                          handler._getFileState(id).chunking.inProgress.splice(inProgressIdx, 1);
                          handler._getFileState(id).chunking.remaining.unshift(chunkIdx);
                      }
                  }
                  if (!handler._getFileState(id).temp.ignoreFailure) {
                      if (concurrentChunkingPossible) {
                          handler._getFileState(id).temp.ignoreFailure = true;
                          log(qq.format("Going to attempt to abort these chunks: {}. These are currently in-progress: {}.", JSON.stringify(Object.keys(handler._getXhrs(id))), JSON.stringify(handler._getFileState(id).chunking.inProgress)));
                          qq.each(handler._getXhrs(id), function(ckid, ckXhr) {
                              log(qq.format("Attempting to abort file {}.{}. XHR readyState {}. ", id, ckid, ckXhr.readyState));
                              ckXhr.abort();
                              ckXhr._cancelled = true;
                          });
                          handler.moveInProgressToRemaining(id);
                          connectionManager.free(id, true);
                      }
                      if (!options.onAutoRetry(id, name, responseToReport, xhr)) {
                          upload.cleanup(id, responseToReport, xhr);
                      }
                  }
              },
              hasMoreParts: function(id) {
                  return !!handler._getFileState(id).chunking.remaining.length;
              },
              nextPart: function(id) {
                  var nextIdx = handler._getFileState(id).chunking.remaining.shift();
                  if (nextIdx >= handler._getTotalChunks(id)) {
                      nextIdx = null;
                  }
                  return nextIdx;
              },
              reset: function(id) {
                  log("Server or callback has ordered chunking effort to be restarted on next attempt for item ID " + id, "error");
                  handler._maybeDeletePersistedChunkData(id);
                  handler.reevaluateChunking(id);
                  handler._getFileState(id).loaded = 0;
                  handler._getFileState(id).attemptingResume = false;
              },
              sendNext: function(id) {
                  var size = options.getSize(id), name = options.getName(id), chunkIdx = chunked.nextPart(id), chunkData = handler._getChunkData(id, chunkIdx), fileState = handler._getFileState(id), resuming = fileState.attemptingResume, inProgressChunks = fileState.chunking.inProgress || [];
                  if (fileState.loaded == null) {
                      fileState.loaded = 0;
                  }
                  if (resuming && options.onResume(id, name, chunkData, fileState.customResumeData) === false) {
                      chunked.reset(id);
                      chunkIdx = chunked.nextPart(id);
                      chunkData = handler._getChunkData(id, chunkIdx);
                      resuming = false;
                  }
                  if (chunkIdx == null && inProgressChunks.length === 0) {
                      chunked.finalize(id);
                  } else {
                      inProgressChunks.push(chunkIdx);
                      handler._getFileState(id).chunking.inProgress = inProgressChunks;
                      if (concurrentChunkingPossible) {
                          connectionManager.open(id, chunkIdx);
                      }
                      if (concurrentChunkingPossible && connectionManager.available() && handler._getFileState(id).chunking.remaining.length) {
                          chunked.sendNext(id);
                      }
                      if (chunkData.blob.size === 0) {
                          log(qq.format("Chunk {} for file {} will not be uploaded, zero sized chunk.", chunkIdx, id), "error");
                          chunked.handleFailure(chunkIdx, id, "File is no longer available", null);
                      }
                      var onUploadChunkPromise = options.onUploadChunk(id, name, handler._getChunkDataForCallback(chunkData));
                      onUploadChunkPromise.then(function(requestOverrides) {
                          if (!options.isInProgress(id)) {
                              log(qq.format("Not sending chunked upload request for item {}.{} - no longer in progress.", id, chunkIdx));
                          } else {
                              log(qq.format("Sending chunked upload request for item {}.{}, bytes {}-{} of {}.", id, chunkIdx, chunkData.start + 1, chunkData.end, size));
                              var uploadChunkData = {
                                  chunkIdx: chunkIdx,
                                  id: id,
                                  overrides: requestOverrides,
                                  resuming: resuming
                              };
                              handler.uploadChunk(uploadChunkData).then(function success(response, xhr) {
                                  log("Chunked upload request succeeded for " + id + ", chunk " + chunkIdx);
                                  handler.clearCachedChunk(id, chunkIdx);
                                  var inProgressChunks = handler._getFileState(id).chunking.inProgress || [], responseToReport = upload.normalizeResponse(response, true), inProgressChunkIdx = qq.indexOf(inProgressChunks, chunkIdx);
                                  log(qq.format("Chunk {} for file {} uploaded successfully.", chunkIdx, id));
                                  chunked.done(id, chunkIdx, responseToReport, xhr);
                                  if (inProgressChunkIdx >= 0) {
                                      inProgressChunks.splice(inProgressChunkIdx, 1);
                                  }
                                  handler._maybePersistChunkedState(id);
                                  if (!chunked.hasMoreParts(id) && inProgressChunks.length === 0) {
                                      chunked.finalize(id);
                                  } else if (chunked.hasMoreParts(id)) {
                                      chunked.sendNext(id);
                                  } else {
                                      log(qq.format("File ID {} has no more chunks to send and these chunk indexes are still marked as in-progress: {}", id, JSON.stringify(inProgressChunks)));
                                  }
                              }, function failure(response, xhr) {
                                  chunked.handleFailure(chunkIdx, id, response, xhr);
                              }).done(function() {
                                  handler.clearXhr(id, chunkIdx);
                              });
                          }
                      }, function(error) {
                          chunked.handleFailure(chunkIdx, id, error, null);
                      });
                  }
              }
          }, connectionManager = {
              _open: [],
              _openChunks: {},
              _waiting: [],
              available: function() {
                  var max = options.maxConnections, openChunkEntriesCount = 0, openChunksCount = 0;
                  qq.each(connectionManager._openChunks, function(fileId, openChunkIndexes) {
                      openChunkEntriesCount++;
                      openChunksCount += openChunkIndexes.length;
                  });
                  return max - (connectionManager._open.length - openChunkEntriesCount + openChunksCount);
              },
              free: function(id, dontAllowNext) {
                  var allowNext = !dontAllowNext, waitingIndex = qq.indexOf(connectionManager._waiting, id), connectionsIndex = qq.indexOf(connectionManager._open, id), nextId;
                  delete connectionManager._openChunks[id];
                  if (upload.getProxyOrBlob(id) instanceof qq.BlobProxy) {
                      log("Generated blob upload has ended for " + id + ", disposing generated blob.");
                      delete handler._getFileState(id).file;
                  }
                  if (waitingIndex >= 0) {
                      connectionManager._waiting.splice(waitingIndex, 1);
                  } else if (allowNext && connectionsIndex >= 0) {
                      connectionManager._open.splice(connectionsIndex, 1);
                      nextId = connectionManager._waiting.shift();
                      if (nextId >= 0) {
                          connectionManager._open.push(nextId);
                          upload.start(nextId);
                      }
                  }
              },
              getWaitingOrConnected: function() {
                  var waitingOrConnected = [];
                  qq.each(connectionManager._openChunks, function(fileId, chunks) {
                      if (chunks && chunks.length) {
                          waitingOrConnected.push(parseInt(fileId));
                      }
                  });
                  qq.each(connectionManager._open, function(idx, fileId) {
                      if (!connectionManager._openChunks[fileId]) {
                          waitingOrConnected.push(parseInt(fileId));
                      }
                  });
                  waitingOrConnected = waitingOrConnected.concat(connectionManager._waiting);
                  return waitingOrConnected;
              },
              isUsingConnection: function(id) {
                  return qq.indexOf(connectionManager._open, id) >= 0;
              },
              open: function(id, chunkIdx) {
                  if (chunkIdx == null) {
                      connectionManager._waiting.push(id);
                  }
                  if (connectionManager.available()) {
                      if (chunkIdx == null) {
                          connectionManager._waiting.pop();
                          connectionManager._open.push(id);
                      } else {
                          (function() {
                              var openChunksEntry = connectionManager._openChunks[id] || [];
                              openChunksEntry.push(chunkIdx);
                              connectionManager._openChunks[id] = openChunksEntry;
                          })();
                      }
                      return true;
                  }
                  return false;
              },
              reset: function() {
                  connectionManager._waiting = [];
                  connectionManager._open = [];
              }
          }, simple = {
              send: function(id, name) {
                  handler._getFileState(id).loaded = 0;
                  log("Sending simple upload request for " + id);
                  handler.uploadFile(id).then(function(response, optXhr) {
                      log("Simple upload request succeeded for " + id);
                      var responseToReport = upload.normalizeResponse(response, true), size = options.getSize(id);
                      options.onProgress(id, name, size, size);
                      upload.maybeNewUuid(id, responseToReport);
                      upload.cleanup(id, responseToReport, optXhr);
                  }, function(response, optXhr) {
                      log("Simple upload request failed for " + id);
                      var responseToReport = upload.normalizeResponse(response, false);
                      if (!options.onAutoRetry(id, name, responseToReport, optXhr)) {
                          upload.cleanup(id, responseToReport, optXhr);
                      }
                  });
              }
          }, upload = {
              cancel: function(id) {
                  log("Cancelling " + id);
                  options.paramsStore.remove(id);
                  connectionManager.free(id);
              },
              cleanup: function(id, response, optXhr) {
                  var name = options.getName(id);
                  options.onComplete(id, name, response, optXhr);
                  if (handler._getFileState(id)) {
                      handler._clearXhrs && handler._clearXhrs(id);
                  }
                  connectionManager.free(id);
              },
              getProxyOrBlob: function(id) {
                  return handler.getProxy && handler.getProxy(id) || handler.getFile && handler.getFile(id);
              },
              initHandler: function() {
                  var handlerType = namespace ? qq[namespace] : qq.traditional, handlerModuleSubtype = qq.supportedFeatures.ajaxUploading ? "Xhr" : "Form";
                  handler = new handlerType[handlerModuleSubtype + "UploadHandler"](options, {
                      getCustomResumeData: options.getCustomResumeData,
                      getDataByUuid: options.getDataByUuid,
                      getName: options.getName,
                      getSize: options.getSize,
                      getUuid: options.getUuid,
                      log: log,
                      onCancel: options.onCancel,
                      onProgress: options.onProgress,
                      onUuidChanged: options.onUuidChanged,
                      onFinalizing: function(id) {
                          options.setStatus(id, qq.status.UPLOAD_FINALIZING);
                      }
                  });
                  if (handler._removeExpiredChunkingRecords) {
                      handler._removeExpiredChunkingRecords();
                  }
              },
              isDeferredEligibleForUpload: function(id) {
                  return options.isQueued(id);
              },
              maybeDefer: function(id, blob) {
                  if (blob && !handler.getFile(id) && blob instanceof qq.BlobProxy) {
                      options.onUploadPrep(id);
                      log("Attempting to generate a blob on-demand for " + id);
                      blob.create().then(function(generatedBlob) {
                          log("Generated an on-demand blob for " + id);
                          handler.updateBlob(id, generatedBlob);
                          options.setSize(id, generatedBlob.size);
                          handler.reevaluateChunking(id);
                          upload.maybeSendDeferredFiles(id);
                      }, function(errorMessage) {
                          var errorResponse = {};
                          if (errorMessage) {
                              errorResponse.error = errorMessage;
                          }
                          log(qq.format("Failed to generate blob for ID {}.  Error message: {}.", id, errorMessage), "error");
                          options.onComplete(id, options.getName(id), qq.extend(errorResponse, preventRetryResponse), null);
                          upload.maybeSendDeferredFiles(id);
                          connectionManager.free(id);
                      });
                  } else {
                      return upload.maybeSendDeferredFiles(id);
                  }
                  return false;
              },
              maybeSendDeferredFiles: function(id) {
                  var idsInGroup = options.getIdsInProxyGroup(id), uploadedThisId = false;
                  if (idsInGroup && idsInGroup.length) {
                      log("Maybe ready to upload proxy group file " + id);
                      qq.each(idsInGroup, function(idx, idInGroup) {
                          if (upload.isDeferredEligibleForUpload(idInGroup) && !!handler.getFile(idInGroup)) {
                              uploadedThisId = idInGroup === id;
                              upload.now(idInGroup);
                          } else if (upload.isDeferredEligibleForUpload(idInGroup)) {
                              return false;
                          }
                      });
                  } else {
                      uploadedThisId = true;
                      upload.now(id);
                  }
                  return uploadedThisId;
              },
              maybeNewUuid: function(id, response) {
                  if (response.newUuid !== undefined) {
                      options.onUuidChanged(id, response.newUuid);
                  }
              },
              normalizeResponse: function(originalResponse, successful) {
                  var response = originalResponse;
                  if (!qq.isObject(originalResponse)) {
                      response = {};
                      if (qq.isString(originalResponse) && !successful) {
                          response.error = originalResponse;
                      }
                  }
                  response.success = successful;
                  return response;
              },
              now: function(id) {
                  var name = options.getName(id);
                  if (!controller.isValid(id)) {
                      throw new qq.Error(id + " is not a valid file ID to upload!");
                  }
                  options.onUpload(id, name).then(function(response) {
                      if (response && response.pause) {
                          options.setStatus(id, qq.status.PAUSED);
                          handler.pause(id);
                          connectionManager.free(id);
                      } else {
                          if (chunkingPossible && handler._shouldChunkThisFile(id)) {
                              chunked.sendNext(id);
                          } else {
                              simple.send(id, name);
                          }
                      }
                  }, function(error) {
                      error = error || {};
                      log(id + " upload start aborted due to rejected onUpload Promise - details: " + error, "error");
                      if (!options.onAutoRetry(id, name, error.responseJSON || {})) {
                          var response = upload.normalizeResponse(error.responseJSON, false);
                          upload.cleanup(id, response);
                      }
                  });
              },
              start: function(id) {
                  var blobToUpload = upload.getProxyOrBlob(id);
                  if (blobToUpload) {
                      return upload.maybeDefer(id, blobToUpload);
                  } else {
                      upload.now(id);
                      return true;
                  }
              }
          };
          qq.extend(this, {
              add: function(id, file) {
                  handler.add.apply(this, arguments);
              },
              upload: function(id) {
                  if (connectionManager.open(id)) {
                      return upload.start(id);
                  }
                  return false;
              },
              retry: function(id) {
                  if (concurrentChunkingPossible) {
                      handler._getFileState(id).temp.ignoreFailure = false;
                  }
                  if (connectionManager.isUsingConnection(id)) {
                      return upload.start(id);
                  } else {
                      return controller.upload(id);
                  }
              },
              cancel: function(id) {
                  var cancelRetVal = handler.cancel(id);
                  if (qq.isGenericPromise(cancelRetVal)) {
                      cancelRetVal.then(function() {
                          upload.cancel(id);
                      });
                  } else if (cancelRetVal !== false) {
                      upload.cancel(id);
                  }
              },
              cancelAll: function() {
                  var waitingOrConnected = connectionManager.getWaitingOrConnected(), i;
                  if (waitingOrConnected.length) {
                      for (i = waitingOrConnected.length - 1; i >= 0; i--) {
                          controller.cancel(waitingOrConnected[i]);
                      }
                  }
                  connectionManager.reset();
              },
              getFile: function(id) {
                  if (handler.getProxy && handler.getProxy(id)) {
                      return handler.getProxy(id).referenceBlob;
                  }
                  return handler.getFile && handler.getFile(id);
              },
              isProxied: function(id) {
                  return !!(handler.getProxy && handler.getProxy(id));
              },
              getInput: function(id) {
                  if (handler.getInput) {
                      return handler.getInput(id);
                  }
              },
              reset: function() {
                  log("Resetting upload handler");
                  controller.cancelAll();
                  connectionManager.reset();
                  handler.reset();
              },
              expunge: function(id) {
                  if (controller.isValid(id)) {
                      return handler.expunge(id);
                  }
              },
              isValid: function(id) {
                  return handler.isValid(id);
              },
              hasResumeRecord: function(id) {
                  var key = handler.isValid(id) && handler._getLocalStorageId && handler._getLocalStorageId(id);
                  if (key) {
                      return !!localStorage.getItem(key);
                  }
                  return false;
              },
              getResumableFilesData: function() {
                  if (handler.getResumableFilesData) {
                      return handler.getResumableFilesData();
                  }
                  return [];
              },
              getThirdPartyFileId: function(id) {
                  if (controller.isValid(id)) {
                      return handler.getThirdPartyFileId(id);
                  }
              },
              pause: function(id) {
                  if (controller.isResumable(id) && handler.pause && controller.isValid(id) && handler.pause(id)) {
                      connectionManager.free(id);
                      handler.moveInProgressToRemaining(id);
                      return true;
                  }
                  return false;
              },
              isAttemptingResume: function(id) {
                  return !!handler.isAttemptingResume && handler.isAttemptingResume(id);
              },
              isResumable: function(id) {
                  return !!handler.isResumable && handler.isResumable(id);
              }
          });
          qq.extend(options, o);
          log = options.log;
          chunkingPossible = options.chunking.enabled && qq.supportedFeatures.chunking;
          concurrentChunkingPossible = chunkingPossible && options.chunking.concurrent.enabled;
          preventRetryResponse = function() {
              var response = {};
              response[options.preventRetryParam] = true;
              return response;
          }();
          upload.initHandler();
      };
      qq.WindowReceiveMessage = function(o) {
          "use strict";
          var options = {
              log: function(message, level) {}
          }, callbackWrapperDetachers = {};
          qq.extend(options, o);
          qq.extend(this, {
              receiveMessage: function(id, callback) {
                  var onMessageCallbackWrapper = function(event) {
                      callback(event.data);
                  };
                  if (window.postMessage) {
                      callbackWrapperDetachers[id] = qq(window).attach("message", onMessageCallbackWrapper);
                  } else {
                      log("iframe message passing not supported in this browser!", "error");
                  }
              },
              stopReceivingMessages: function(id) {
                  if (window.postMessage) {
                      var detacher = callbackWrapperDetachers[id];
                      if (detacher) {
                          detacher();
                      }
                  }
              }
          });
      };
      qq.FormUploadHandler = function(spec) {
          "use strict";
          var options = spec.options, handler = this, proxy = spec.proxy, formHandlerInstanceId = qq.getUniqueId(), onloadCallbacks = {}, detachLoadEvents = {}, postMessageCallbackTimers = {}, isCors = options.isCors, inputName = options.inputName, getUuid = proxy.getUuid, log = proxy.log, corsMessageReceiver = new qq.WindowReceiveMessage({
              log: log
          });
          function expungeFile(id) {
              delete detachLoadEvents[id];
              if (isCors) {
                  clearTimeout(postMessageCallbackTimers[id]);
                  delete postMessageCallbackTimers[id];
                  corsMessageReceiver.stopReceivingMessages(id);
              }
              var iframe = document.getElementById(handler._getIframeName(id));
              if (iframe) {
                  iframe.setAttribute("src", "javascript:false;");
                  qq(iframe).remove();
              }
          }
          function getFileIdForIframeName(iframeName) {
              return iframeName.split("_")[0];
          }
          function initIframeForUpload(name) {
              var iframe = qq.toElement("<iframe src='javascript:false;' name='" + name + "' />");
              iframe.setAttribute("id", name);
              iframe.style.display = "none";
              document.body.appendChild(iframe);
              return iframe;
          }
          function registerPostMessageCallback(iframe, callback) {
              var iframeName = iframe.id, fileId = getFileIdForIframeName(iframeName), uuid = getUuid(fileId);
              onloadCallbacks[uuid] = callback;
              detachLoadEvents[fileId] = qq(iframe).attach("load", function() {
                  if (handler.getInput(fileId)) {
                      log("Received iframe load event for CORS upload request (iframe name " + iframeName + ")");
                      postMessageCallbackTimers[iframeName] = setTimeout(function() {
                          var errorMessage = "No valid message received from loaded iframe for iframe name " + iframeName;
                          log(errorMessage, "error");
                          callback({
                              error: errorMessage
                          });
                      }, 1e3);
                  }
              });
              corsMessageReceiver.receiveMessage(iframeName, function(message) {
                  log("Received the following window message: '" + message + "'");
                  var fileId = getFileIdForIframeName(iframeName), response = handler._parseJsonResponse(message), uuid = response.uuid, onloadCallback;
                  if (uuid && onloadCallbacks[uuid]) {
                      log("Handling response for iframe name " + iframeName);
                      clearTimeout(postMessageCallbackTimers[iframeName]);
                      delete postMessageCallbackTimers[iframeName];
                      handler._detachLoadEvent(iframeName);
                      onloadCallback = onloadCallbacks[uuid];
                      delete onloadCallbacks[uuid];
                      corsMessageReceiver.stopReceivingMessages(iframeName);
                      onloadCallback(response);
                  } else if (!uuid) {
                      log("'" + message + "' does not contain a UUID - ignoring.");
                  }
              });
          }
          qq.extend(this, new qq.UploadHandler(spec));
          qq.override(this, function(super_) {
              return {
                  add: function(id, fileInput) {
                      super_.add(id, {
                          input: fileInput
                      });
                      fileInput.setAttribute("name", inputName);
                      if (fileInput.parentNode) {
                          qq(fileInput).remove();
                      }
                  },
                  expunge: function(id) {
                      expungeFile(id);
                      super_.expunge(id);
                  },
                  isValid: function(id) {
                      return super_.isValid(id) && handler._getFileState(id).input !== undefined;
                  }
              };
          });
          qq.extend(this, {
              getInput: function(id) {
                  return handler._getFileState(id).input;
              },
              _attachLoadEvent: function(iframe, callback) {
                  var responseDescriptor;
                  if (isCors) {
                      registerPostMessageCallback(iframe, callback);
                  } else {
                      detachLoadEvents[iframe.id] = qq(iframe).attach("load", function() {
                          log("Received response for " + iframe.id);
                          if (!iframe.parentNode) {
                              return;
                          }
                          try {
                              if (iframe.contentDocument && iframe.contentDocument.body && iframe.contentDocument.body.innerHTML == "false") {
                                  return;
                              }
                          } catch (error) {
                              log("Error when attempting to access iframe during handling of upload response (" + error.message + ")", "error");
                              responseDescriptor = {
                                  success: false
                              };
                          }
                          callback(responseDescriptor);
                      });
                  }
              },
              _createIframe: function(id) {
                  var iframeName = handler._getIframeName(id);
                  return initIframeForUpload(iframeName);
              },
              _detachLoadEvent: function(id) {
                  if (detachLoadEvents[id] !== undefined) {
                      detachLoadEvents[id]();
                      delete detachLoadEvents[id];
                  }
              },
              _getIframeName: function(fileId) {
                  return fileId + "_" + formHandlerInstanceId;
              },
              _initFormForUpload: function(spec) {
                  var method = spec.method, endpoint = spec.endpoint, params = spec.params, paramsInBody = spec.paramsInBody, targetName = spec.targetName, form = qq.toElement("<form method='" + method + "' enctype='multipart/form-data'></form>"), url = endpoint;
                  if (paramsInBody) {
                      qq.obj2Inputs(params, form);
                  } else {
                      url = qq.obj2url(params, endpoint);
                  }
                  form.setAttribute("action", url);
                  form.setAttribute("target", targetName);
                  form.style.display = "none";
                  document.body.appendChild(form);
                  return form;
              },
              _parseJsonResponse: function(innerHtmlOrMessage) {
                  var response = {};
                  try {
                      response = qq.parseJson(innerHtmlOrMessage);
                  } catch (error) {
                      log("Error when attempting to parse iframe upload response (" + error.message + ")", "error");
                  }
                  return response;
              }
          });
      };
      qq.XhrUploadHandler = function(spec) {
          "use strict";
          var handler = this, namespace = spec.options.namespace, proxy = spec.proxy, chunking = spec.options.chunking, getChunkSize = function(id) {
              var fileState = handler._getFileState(id);
              if (fileState.chunkSize) {
                  return fileState.chunkSize;
              } else {
                  var chunkSize = chunking.partSize;
                  if (qq.isFunction(chunkSize)) {
                      chunkSize = chunkSize(id, getSize(id));
                  }
                  fileState.chunkSize = chunkSize;
                  return chunkSize;
              }
          }, resume = spec.options.resume, chunkFiles = chunking && spec.options.chunking.enabled && qq.supportedFeatures.chunking, resumeEnabled = resume && spec.options.resume.enabled && chunkFiles && qq.supportedFeatures.resume, getName = proxy.getName, getSize = proxy.getSize, getUuid = proxy.getUuid, getEndpoint = proxy.getEndpoint, getDataByUuid = proxy.getDataByUuid, onUuidChanged = proxy.onUuidChanged, onProgress = proxy.onProgress, log = proxy.log, getCustomResumeData = proxy.getCustomResumeData;
          function abort(id) {
              qq.each(handler._getXhrs(id), function(xhrId, xhr) {
                  var ajaxRequester = handler._getAjaxRequester(id, xhrId);
                  xhr.onreadystatechange = null;
                  xhr.upload.onprogress = null;
                  xhr.abort();
                  ajaxRequester && ajaxRequester.canceled && ajaxRequester.canceled(id);
              });
          }
          qq.extend(this, new qq.UploadHandler(spec));
          qq.override(this, function(super_) {
              return {
                  add: function(id, blobOrProxy) {
                      if (qq.isFile(blobOrProxy) || qq.isBlob(blobOrProxy)) {
                          super_.add(id, {
                              file: blobOrProxy
                          });
                      } else if (blobOrProxy instanceof qq.BlobProxy) {
                          super_.add(id, {
                              proxy: blobOrProxy
                          });
                      } else {
                          throw new Error("Passed obj is not a File, Blob, or proxy");
                      }
                      handler._initTempState(id);
                      resumeEnabled && handler._maybePrepareForResume(id);
                  },
                  expunge: function(id) {
                      abort(id);
                      handler._maybeDeletePersistedChunkData(id);
                      handler._clearXhrs(id);
                      super_.expunge(id);
                  }
              };
          });
          qq.extend(this, {
              clearCachedChunk: function(id, chunkIdx) {
                  delete handler._getFileState(id).temp.cachedChunks[chunkIdx];
              },
              clearXhr: function(id, chunkIdx) {
                  var tempState = handler._getFileState(id).temp;
                  if (tempState.xhrs) {
                      delete tempState.xhrs[chunkIdx];
                  }
                  if (tempState.ajaxRequesters) {
                      delete tempState.ajaxRequesters[chunkIdx];
                  }
              },
              finalizeChunks: function(id, responseParser) {
                  var lastChunkIdx = handler._getTotalChunks(id) - 1, xhr = handler._getXhr(id, lastChunkIdx);
                  if (responseParser) {
                      return new qq.Promise().success(responseParser(xhr), xhr);
                  }
                  return new qq.Promise().success({}, xhr);
              },
              getFile: function(id) {
                  return handler.isValid(id) && handler._getFileState(id).file;
              },
              getProxy: function(id) {
                  return handler.isValid(id) && handler._getFileState(id).proxy;
              },
              getResumableFilesData: function() {
                  var resumableFilesData = [];
                  handler._iterateResumeRecords(function(key, uploadData) {
                      handler.moveInProgressToRemaining(null, uploadData.chunking.inProgress, uploadData.chunking.remaining);
                      var data = {
                          name: uploadData.name,
                          remaining: uploadData.chunking.remaining,
                          size: uploadData.size,
                          uuid: uploadData.uuid
                      };
                      if (uploadData.key) {
                          data.key = uploadData.key;
                      }
                      if (uploadData.customResumeData) {
                          data.customResumeData = uploadData.customResumeData;
                      }
                      resumableFilesData.push(data);
                  });
                  return resumableFilesData;
              },
              isAttemptingResume: function(id) {
                  return handler._getFileState(id).attemptingResume;
              },
              isResumable: function(id) {
                  return !!chunking && handler.isValid(id) && !handler._getFileState(id).notResumable;
              },
              moveInProgressToRemaining: function(id, optInProgress, optRemaining) {
                  var fileState = handler._getFileState(id) || {}, chunkingState = fileState.chunking || {}, inProgress = optInProgress || chunkingState.inProgress, remaining = optRemaining || chunkingState.remaining;
                  if (inProgress) {
                      log(qq.format("Moving these chunks from in-progress {}, to remaining.", JSON.stringify(inProgress)));
                      inProgress.reverse();
                      qq.each(inProgress, function(idx, chunkIdx) {
                          remaining.unshift(chunkIdx);
                      });
                      inProgress.length = 0;
                  }
              },
              pause: function(id) {
                  if (handler.isValid(id)) {
                      log(qq.format("Aborting XHR upload for {} '{}' due to pause instruction.", id, getName(id)));
                      handler._getFileState(id).paused = true;
                      abort(id);
                      return true;
                  }
              },
              reevaluateChunking: function(id) {
                  if (chunking && handler.isValid(id)) {
                      var state = handler._getFileState(id), totalChunks, i;
                      delete state.chunking;
                      state.chunking = {};
                      totalChunks = handler._getTotalChunks(id);
                      if (totalChunks > 1 || chunking.mandatory) {
                          state.chunking.enabled = true;
                          state.chunking.parts = totalChunks;
                          state.chunking.remaining = [];
                          for (i = 0; i < totalChunks; i++) {
                              state.chunking.remaining.push(i);
                          }
                          handler._initTempState(id);
                      } else {
                          state.chunking.enabled = false;
                      }
                  }
              },
              updateBlob: function(id, newBlob) {
                  if (handler.isValid(id)) {
                      handler._getFileState(id).file = newBlob;
                  }
              },
              _clearXhrs: function(id) {
                  var tempState = handler._getFileState(id).temp;
                  qq.each(tempState.ajaxRequesters, function(chunkId) {
                      delete tempState.ajaxRequesters[chunkId];
                  });
                  qq.each(tempState.xhrs, function(chunkId) {
                      delete tempState.xhrs[chunkId];
                  });
              },
              _createXhr: function(id, optChunkIdx) {
                  return handler._registerXhr(id, optChunkIdx, qq.createXhrInstance());
              },
              _getAjaxRequester: function(id, optChunkIdx) {
                  var chunkIdx = optChunkIdx == null ? -1 : optChunkIdx;
                  return handler._getFileState(id).temp.ajaxRequesters[chunkIdx];
              },
              _getChunkData: function(id, chunkIndex) {
                  var chunkSize = getChunkSize(id), fileSize = getSize(id), fileOrBlob = handler.getFile(id), startBytes = chunkSize * chunkIndex, endBytes = startBytes + chunkSize >= fileSize ? fileSize : startBytes + chunkSize, totalChunks = handler._getTotalChunks(id), cachedChunks = this._getFileState(id).temp.cachedChunks, blob = cachedChunks[chunkIndex] || qq.sliceBlob(fileOrBlob, startBytes, endBytes);
                  cachedChunks[chunkIndex] = blob;
                  return {
                      part: chunkIndex,
                      start: startBytes,
                      end: endBytes,
                      count: totalChunks,
                      blob: blob,
                      size: endBytes - startBytes
                  };
              },
              _getChunkDataForCallback: function(chunkData) {
                  return {
                      partIndex: chunkData.part,
                      startByte: chunkData.start + 1,
                      endByte: chunkData.end,
                      totalParts: chunkData.count
                  };
              },
              _getLocalStorageId: function(id) {
                  var formatVersion = "5.0", name = getName(id), size = getSize(id), chunkSize = getChunkSize(id), endpoint = getEndpoint(id), customKeys = resume.customKeys(id), localStorageId = qq.format("qq{}resume{}-{}-{}-{}-{}", namespace, formatVersion, name, size, chunkSize, endpoint);
                  customKeys.forEach(function(key) {
                      localStorageId += "-" + key;
                  });
                  return localStorageId;
              },
              _getMimeType: function(id) {
                  return handler.getFile(id).type;
              },
              _getPersistableData: function(id) {
                  return handler._getFileState(id).chunking;
              },
              _getTotalChunks: function(id) {
                  if (chunking) {
                      var fileSize = getSize(id), chunkSize = getChunkSize(id);
                      return Math.ceil(fileSize / chunkSize);
                  }
              },
              _getXhr: function(id, optChunkIdx) {
                  var chunkIdx = optChunkIdx == null ? -1 : optChunkIdx;
                  return handler._getFileState(id).temp.xhrs[chunkIdx];
              },
              _getXhrs: function(id) {
                  return handler._getFileState(id).temp.xhrs;
              },
              _iterateResumeRecords: function(callback) {
                  if (resumeEnabled) {
                      qq.each(localStorage, function(key, item) {
                          if (key.indexOf(qq.format("qq{}resume", namespace)) === 0) {
                              var uploadData = JSON.parse(item);
                              callback(key, uploadData);
                          }
                      });
                  }
              },
              _initTempState: function(id) {
                  handler._getFileState(id).temp = {
                      ajaxRequesters: {},
                      chunkProgress: {},
                      xhrs: {},
                      cachedChunks: {}
                  };
              },
              _markNotResumable: function(id) {
                  handler._getFileState(id).notResumable = true;
              },
              _maybeDeletePersistedChunkData: function(id) {
                  var localStorageId;
                  if (resumeEnabled && handler.isResumable(id)) {
                      localStorageId = handler._getLocalStorageId(id);
                      if (localStorageId && localStorage.getItem(localStorageId)) {
                          localStorage.removeItem(localStorageId);
                          return true;
                      }
                  }
                  return false;
              },
              _maybePrepareForResume: function(id) {
                  var state = handler._getFileState(id), localStorageId, persistedData;
                  if (resumeEnabled && state.key === undefined) {
                      localStorageId = handler._getLocalStorageId(id);
                      persistedData = localStorage.getItem(localStorageId);
                      if (persistedData) {
                          persistedData = JSON.parse(persistedData);
                          if (getDataByUuid(persistedData.uuid)) {
                              handler._markNotResumable(id);
                          } else {
                              log(qq.format("Identified file with ID {} and name of {} as resumable.", id, getName(id)));
                              onUuidChanged(id, persistedData.uuid);
                              state.key = persistedData.key;
                              state.chunking = persistedData.chunking;
                              state.loaded = persistedData.loaded;
                              state.customResumeData = persistedData.customResumeData;
                              state.attemptingResume = true;
                              handler.moveInProgressToRemaining(id);
                          }
                      }
                  }
              },
              _maybePersistChunkedState: function(id) {
                  var state = handler._getFileState(id), localStorageId, persistedData;
                  if (resumeEnabled && handler.isResumable(id)) {
                      var customResumeData = getCustomResumeData(id);
                      localStorageId = handler._getLocalStorageId(id);
                      persistedData = {
                          name: getName(id),
                          size: getSize(id),
                          uuid: getUuid(id),
                          key: state.key,
                          chunking: state.chunking,
                          loaded: state.loaded,
                          lastUpdated: Date.now()
                      };
                      if (customResumeData) {
                          persistedData.customResumeData = customResumeData;
                      }
                      try {
                          localStorage.setItem(localStorageId, JSON.stringify(persistedData));
                      } catch (error) {
                          log(qq.format("Unable to save resume data for '{}' due to error: '{}'.", id, error.toString()), "warn");
                      }
                  }
              },
              _registerProgressHandler: function(id, chunkIdx, chunkSize) {
                  var xhr = handler._getXhr(id, chunkIdx), name = getName(id), progressCalculator = {
                      simple: function(loaded, total) {
                          var fileSize = getSize(id);
                          if (loaded === total) {
                              onProgress(id, name, fileSize, fileSize);
                          } else {
                              onProgress(id, name, loaded >= fileSize ? fileSize - 1 : loaded, fileSize);
                          }
                      },
                      chunked: function(loaded, total) {
                          var chunkProgress = handler._getFileState(id).temp.chunkProgress, totalSuccessfullyLoadedForFile = handler._getFileState(id).loaded, loadedForRequest = loaded, totalForRequest = total, totalFileSize = getSize(id), estActualChunkLoaded = loadedForRequest - (totalForRequest - chunkSize), totalLoadedForFile = totalSuccessfullyLoadedForFile;
                          chunkProgress[chunkIdx] = estActualChunkLoaded;
                          qq.each(chunkProgress, function(chunkIdx, chunkLoaded) {
                              totalLoadedForFile += chunkLoaded;
                          });
                          onProgress(id, name, totalLoadedForFile, totalFileSize);
                      }
                  };
                  xhr.upload.onprogress = function(e) {
                      if (e.lengthComputable) {
                          var type = chunkSize == null ? "simple" : "chunked";
                          progressCalculator[type](e.loaded, e.total);
                      }
                  };
              },
              _registerXhr: function(id, optChunkIdx, xhr, optAjaxRequester) {
                  var xhrsId = optChunkIdx == null ? -1 : optChunkIdx, tempState = handler._getFileState(id).temp;
                  tempState.xhrs = tempState.xhrs || {};
                  tempState.ajaxRequesters = tempState.ajaxRequesters || {};
                  tempState.xhrs[xhrsId] = xhr;
                  if (optAjaxRequester) {
                      tempState.ajaxRequesters[xhrsId] = optAjaxRequester;
                  }
                  return xhr;
              },
              _removeExpiredChunkingRecords: function() {
                  var expirationDays = resume.recordsExpireIn;
                  handler._iterateResumeRecords(function(key, uploadData) {
                      var expirationDate = new Date(uploadData.lastUpdated);
                      expirationDate.setDate(expirationDate.getDate() + expirationDays);
                      if (expirationDate.getTime() <= Date.now()) {
                          log("Removing expired resume record with key " + key);
                          localStorage.removeItem(key);
                      }
                  });
              },
              _shouldChunkThisFile: function(id) {
                  var state = handler._getFileState(id);
                  if (!state.chunking) {
                      handler.reevaluateChunking(id);
                  }
                  return state.chunking.enabled;
              }
          });
      };
      qq.DeleteFileAjaxRequester = function(o) {
          "use strict";
          var requester, options = {
              method: "DELETE",
              uuidParamName: "qquuid",
              endpointStore: {},
              maxConnections: 3,
              customHeaders: function(id) {
                  return {};
              },
              paramsStore: {},
              cors: {
                  expected: false,
                  sendCredentials: false
              },
              log: function(str, level) {},
              onDelete: function(id) {},
              onDeleteComplete: function(id, xhrOrXdr, isError) {}
          };
          qq.extend(options, o);
          function getMandatedParams() {
              if (options.method.toUpperCase() === "POST") {
                  return {
                      _method: "DELETE"
                  };
              }
              return {};
          }
          requester = qq.extend(this, new qq.AjaxRequester({
              acceptHeader: "application/json",
              validMethods: [ "POST", "DELETE" ],
              method: options.method,
              endpointStore: options.endpointStore,
              paramsStore: options.paramsStore,
              mandatedParams: getMandatedParams(),
              maxConnections: options.maxConnections,
              customHeaders: function(id) {
                  return options.customHeaders.get(id);
              },
              log: options.log,
              onSend: options.onDelete,
              onComplete: options.onDeleteComplete,
              cors: options.cors
          }));
          qq.extend(this, {
              sendDelete: function(id, uuid, additionalMandatedParams) {
                  var additionalOptions = additionalMandatedParams || {};
                  options.log("Submitting delete file request for " + id);
                  if (options.method === "DELETE") {
                      requester.initTransport(id).withPath(uuid).withParams(additionalOptions).send();
                  } else {
                      additionalOptions[options.uuidParamName] = uuid;
                      requester.initTransport(id).withParams(additionalOptions).send();
                  }
              }
          });
      };
      (function() {
          function detectSubsampling(img) {
              var iw = img.naturalWidth, ih = img.naturalHeight, canvas = document.createElement("canvas"), ctx;
              if (iw * ih > 1024 * 1024) {
                  canvas.width = canvas.height = 1;
                  ctx = canvas.getContext("2d");
                  ctx.drawImage(img, -iw + 1, 0);
                  return ctx.getImageData(0, 0, 1, 1).data[3] === 0;
              } else {
                  return false;
              }
          }
          function detectVerticalSquash(img, iw, ih) {
              var canvas = document.createElement("canvas"), sy = 0, ey = ih, py = ih, ctx, data, alpha, ratio;
              canvas.width = 1;
              canvas.height = ih;
              ctx = canvas.getContext("2d");
              ctx.drawImage(img, 0, 0);
              data = ctx.getImageData(0, 0, 1, ih).data;
              while (py > sy) {
                  alpha = data[(py - 1) * 4 + 3];
                  if (alpha === 0) {
                      ey = py;
                  } else {
                      sy = py;
                  }
                  py = ey + sy >> 1;
              }
              ratio = py / ih;
              return ratio === 0 ? 1 : ratio;
          }
          function renderImageToDataURL(img, blob, options, doSquash) {
              var canvas = document.createElement("canvas"), mime = options.mime || "image/jpeg", promise = new qq.Promise();
              renderImageToCanvas(img, blob, canvas, options, doSquash).then(function() {
                  promise.success(canvas.toDataURL(mime, options.quality || .8));
              });
              return promise;
          }
          function maybeCalculateDownsampledDimensions(spec) {
              var maxPixels = 5241e3;
              if (!qq.ios()) {
                  throw new qq.Error("Downsampled dimensions can only be reliably calculated for iOS!");
              }
              if (spec.origHeight * spec.origWidth > maxPixels) {
                  return {
                      newHeight: Math.round(Math.sqrt(maxPixels * (spec.origHeight / spec.origWidth))),
                      newWidth: Math.round(Math.sqrt(maxPixels * (spec.origWidth / spec.origHeight)))
                  };
              }
          }
          function renderImageToCanvas(img, blob, canvas, options, doSquash) {
              var iw = img.naturalWidth, ih = img.naturalHeight, width = options.width, height = options.height, ctx = canvas.getContext("2d"), promise = new qq.Promise(), modifiedDimensions;
              ctx.save();
              if (options.resize) {
                  return renderImageToCanvasWithCustomResizer({
                      blob: blob,
                      canvas: canvas,
                      image: img,
                      imageHeight: ih,
                      imageWidth: iw,
                      orientation: options.orientation,
                      resize: options.resize,
                      targetHeight: height,
                      targetWidth: width
                  });
              }
              if (!qq.supportedFeatures.unlimitedScaledImageSize) {
                  modifiedDimensions = maybeCalculateDownsampledDimensions({
                      origWidth: width,
                      origHeight: height
                  });
                  if (modifiedDimensions) {
                      qq.log(qq.format("Had to reduce dimensions due to device limitations from {}w / {}h to {}w / {}h", width, height, modifiedDimensions.newWidth, modifiedDimensions.newHeight), "warn");
                      width = modifiedDimensions.newWidth;
                      height = modifiedDimensions.newHeight;
                  }
              }
              transformCoordinate(canvas, width, height, options.orientation);
              if (qq.ios()) {
                  (function() {
                      if (detectSubsampling(img)) {
                          iw /= 2;
                          ih /= 2;
                      }
                      var d = 1024, tmpCanvas = document.createElement("canvas"), vertSquashRatio = doSquash ? detectVerticalSquash(img, iw, ih) : 1, dw = Math.ceil(d * width / iw), dh = Math.ceil(d * height / ih / vertSquashRatio), sy = 0, dy = 0, tmpCtx, sx, dx;
                      tmpCanvas.width = tmpCanvas.height = d;
                      tmpCtx = tmpCanvas.getContext("2d");
                      while (sy < ih) {
                          sx = 0;
                          dx = 0;
                          while (sx < iw) {
                              tmpCtx.clearRect(0, 0, d, d);
                              tmpCtx.drawImage(img, -sx, -sy);
                              ctx.drawImage(tmpCanvas, 0, 0, d, d, dx, dy, dw, dh);
                              sx += d;
                              dx += dw;
                          }
                          sy += d;
                          dy += dh;
                      }
                      ctx.restore();
                      tmpCanvas = tmpCtx = null;
                  })();
              } else {
                  ctx.drawImage(img, 0, 0, width, height);
              }
              canvas.qqImageRendered && canvas.qqImageRendered();
              promise.success();
              return promise;
          }
          function renderImageToCanvasWithCustomResizer(resizeInfo) {
              var blob = resizeInfo.blob, image = resizeInfo.image, imageHeight = resizeInfo.imageHeight, imageWidth = resizeInfo.imageWidth, orientation = resizeInfo.orientation, promise = new qq.Promise(), resize = resizeInfo.resize, sourceCanvas = document.createElement("canvas"), sourceCanvasContext = sourceCanvas.getContext("2d"), targetCanvas = resizeInfo.canvas, targetHeight = resizeInfo.targetHeight, targetWidth = resizeInfo.targetWidth;
              transformCoordinate(sourceCanvas, imageWidth, imageHeight, orientation);
              targetCanvas.height = targetHeight;
              targetCanvas.width = targetWidth;
              sourceCanvasContext.drawImage(image, 0, 0);
              resize({
                  blob: blob,
                  height: targetHeight,
                  image: image,
                  sourceCanvas: sourceCanvas,
                  targetCanvas: targetCanvas,
                  width: targetWidth
              }).then(function success() {
                  targetCanvas.qqImageRendered && targetCanvas.qqImageRendered();
                  promise.success();
              }, promise.failure);
              return promise;
          }
          function transformCoordinate(canvas, width, height, orientation) {
              switch (orientation) {
                case 5:
                case 6:
                case 7:
                case 8:
                  canvas.width = height;
                  canvas.height = width;
                  break;
  
                default:
                  canvas.width = width;
                  canvas.height = height;
              }
              var ctx = canvas.getContext("2d");
              switch (orientation) {
                case 2:
                  ctx.translate(width, 0);
                  ctx.scale(-1, 1);
                  break;
  
                case 3:
                  ctx.translate(width, height);
                  ctx.rotate(Math.PI);
                  break;
  
                case 4:
                  ctx.translate(0, height);
                  ctx.scale(1, -1);
                  break;
  
                case 5:
                  ctx.rotate(.5 * Math.PI);
                  ctx.scale(1, -1);
                  break;
  
                case 6:
                  ctx.rotate(.5 * Math.PI);
                  ctx.translate(0, -height);
                  break;
  
                case 7:
                  ctx.rotate(.5 * Math.PI);
                  ctx.translate(width, -height);
                  ctx.scale(-1, 1);
                  break;
  
                case 8:
                  ctx.rotate(-.5 * Math.PI);
                  ctx.translate(-width, 0);
                  break;
  
                default:
                  break;
              }
          }
          function MegaPixImage(srcImage, errorCallback) {
              var self = this;
              if (window.Blob && srcImage instanceof Blob) {
                  (function() {
                      var img = new Image(), URL = window.URL && window.URL.createObjectURL ? window.URL : window.webkitURL && window.webkitURL.createObjectURL ? window.webkitURL : null;
                      if (!URL) {
                          throw Error("No createObjectURL function found to create blob url");
                      }
                      img.src = URL.createObjectURL(srcImage);
                      self.blob = srcImage;
                      srcImage = img;
                  })();
              }
              if (!srcImage.naturalWidth && !srcImage.naturalHeight) {
                  srcImage.onload = function() {
                      var listeners = self.imageLoadListeners;
                      if (listeners) {
                          self.imageLoadListeners = null;
                          setTimeout(function() {
                              for (var i = 0, len = listeners.length; i < len; i++) {
                                  listeners[i]();
                              }
                          }, 0);
                      }
                  };
                  srcImage.onerror = errorCallback;
                  this.imageLoadListeners = [];
              }
              this.srcImage = srcImage;
          }
          MegaPixImage.prototype.render = function(target, options) {
              options = options || {};
              var self = this, imgWidth = this.srcImage.naturalWidth, imgHeight = this.srcImage.naturalHeight, width = options.width, height = options.height, maxWidth = options.maxWidth, maxHeight = options.maxHeight, doSquash = !this.blob || this.blob.type === "image/jpeg", tagName = target.tagName.toLowerCase(), opt;
              if (this.imageLoadListeners) {
                  this.imageLoadListeners.push(function() {
                      self.render(target, options);
                  });
                  return;
              }
              if (width && !height) {
                  height = imgHeight * width / imgWidth << 0;
              } else if (height && !width) {
                  width = imgWidth * height / imgHeight << 0;
              } else {
                  width = imgWidth;
                  height = imgHeight;
              }
              if (maxWidth && width > maxWidth) {
                  width = maxWidth;
                  height = imgHeight * width / imgWidth << 0;
              }
              if (maxHeight && height > maxHeight) {
                  height = maxHeight;
                  width = imgWidth * height / imgHeight << 0;
              }
              opt = {
                  width: width,
                  height: height
              }, qq.each(options, function(optionsKey, optionsValue) {
                  opt[optionsKey] = optionsValue;
              });
              if (tagName === "img") {
                  (function() {
                      var oldTargetSrc = target.src;
                      renderImageToDataURL(self.srcImage, self.blob, opt, doSquash).then(function(dataUri) {
                          target.src = dataUri;
                          oldTargetSrc === target.src && target.onload();
                      });
                  })();
              } else if (tagName === "canvas") {
                  renderImageToCanvas(this.srcImage, this.blob, target, opt, doSquash);
              }
              if (typeof this.onrender === "function") {
                  this.onrender(target);
              }
          };
          qq.MegaPixImage = MegaPixImage;
      })();
      qq.ImageGenerator = function(log) {
          "use strict";
          function isImg(el) {
              return el.tagName.toLowerCase() === "img";
          }
          function isCanvas(el) {
              return el.tagName.toLowerCase() === "canvas";
          }
          function isImgCorsSupported() {
              return new Image().crossOrigin !== undefined;
          }
          function isCanvasSupported() {
              var canvas = document.createElement("canvas");
              return canvas.getContext && canvas.getContext("2d");
          }
          function determineMimeOfFileName(nameWithPath) {
              var pathSegments = nameWithPath.split("/"), name = pathSegments[pathSegments.length - 1].split("?")[0], extension = qq.getExtension(name);
              extension = extension && extension.toLowerCase();
              switch (extension) {
                case "jpeg":
                case "jpg":
                  return "image/jpeg";
  
                case "png":
                  return "image/png";
  
                case "bmp":
                  return "image/bmp";
  
                case "gif":
                  return "image/gif";
  
                case "tiff":
                case "tif":
                  return "image/tiff";
              }
          }
          function isCrossOrigin(url) {
              var targetAnchor = document.createElement("a"), targetProtocol, targetHostname, targetPort;
              targetAnchor.href = url;
              targetProtocol = targetAnchor.protocol;
              targetPort = targetAnchor.port;
              targetHostname = targetAnchor.hostname;
              if (targetProtocol.toLowerCase() !== window.location.protocol.toLowerCase()) {
                  return true;
              }
              if (targetHostname.toLowerCase() !== window.location.hostname.toLowerCase()) {
                  return true;
              }
              if (targetPort !== window.location.port && !qq.ie()) {
                  return true;
              }
              return false;
          }
          function registerImgLoadListeners(img, promise) {
              img.onload = function() {
                  img.onload = null;
                  img.onerror = null;
                  promise.success(img);
              };
              img.onerror = function() {
                  img.onload = null;
                  img.onerror = null;
                  log("Problem drawing thumbnail!", "error");
                  promise.failure(img, "Problem drawing thumbnail!");
              };
          }
          function registerCanvasDrawImageListener(canvas, promise) {
              canvas.qqImageRendered = function() {
                  promise.success(canvas);
              };
          }
          function registerThumbnailRenderedListener(imgOrCanvas, promise) {
              var registered = isImg(imgOrCanvas) || isCanvas(imgOrCanvas);
              if (isImg(imgOrCanvas)) {
                  registerImgLoadListeners(imgOrCanvas, promise);
              } else if (isCanvas(imgOrCanvas)) {
                  registerCanvasDrawImageListener(imgOrCanvas, promise);
              } else {
                  promise.failure(imgOrCanvas);
                  log(qq.format("Element container of type {} is not supported!", imgOrCanvas.tagName), "error");
              }
              return registered;
          }
          function draw(fileOrBlob, container, options) {
              var drawPreview = new qq.Promise(), identifier = new qq.Identify(fileOrBlob, log), maxSize = options.maxSize, orient = options.orient == null ? true : options.orient, megapixErrorHandler = function() {
                  container.onerror = null;
                  container.onload = null;
                  log("Could not render preview, file may be too large!", "error");
                  drawPreview.failure(container, "Browser cannot render image!");
              };
              identifier.isPreviewable().then(function(mime) {
                  var dummyExif = {
                      parse: function() {
                          return new qq.Promise().success();
                      }
                  }, exif = orient ? new qq.Exif(fileOrBlob, log) : dummyExif, mpImg = new qq.MegaPixImage(fileOrBlob, megapixErrorHandler);
                  if (registerThumbnailRenderedListener(container, drawPreview)) {
                      exif.parse().then(function(exif) {
                          var orientation = exif && exif.Orientation;
                          mpImg.render(container, {
                              maxWidth: maxSize,
                              maxHeight: maxSize,
                              orientation: orientation,
                              mime: mime,
                              resize: options.customResizeFunction
                          });
                      }, function(failureMsg) {
                          log(qq.format("EXIF data could not be parsed ({}).  Assuming orientation = 1.", failureMsg));
                          mpImg.render(container, {
                              maxWidth: maxSize,
                              maxHeight: maxSize,
                              mime: mime,
                              resize: options.customResizeFunction
                          });
                      });
                  }
              }, function() {
                  log("Not previewable");
                  drawPreview.failure(container, "Not previewable");
              });
              return drawPreview;
          }
          function drawOnCanvasOrImgFromUrl(url, canvasOrImg, draw, maxSize, customResizeFunction) {
              var tempImg = new Image(), tempImgRender = new qq.Promise();
              registerThumbnailRenderedListener(tempImg, tempImgRender);
              if (isCrossOrigin(url)) {
                  tempImg.crossOrigin = "anonymous";
              }
              tempImg.src = url;
              tempImgRender.then(function rendered() {
                  registerThumbnailRenderedListener(canvasOrImg, draw);
                  var mpImg = new qq.MegaPixImage(tempImg);
                  mpImg.render(canvasOrImg, {
                      maxWidth: maxSize,
                      maxHeight: maxSize,
                      mime: determineMimeOfFileName(url),
                      resize: customResizeFunction
                  });
              }, draw.failure);
          }
          function drawOnImgFromUrlWithCssScaling(url, img, draw, maxSize) {
              registerThumbnailRenderedListener(img, draw);
              qq(img).css({
                  maxWidth: maxSize + "px",
                  maxHeight: maxSize + "px"
              });
              img.src = url;
          }
          function drawFromUrl(url, container, options) {
              var draw = new qq.Promise(), scale = options.scale, maxSize = scale ? options.maxSize : null;
              if (scale && isImg(container)) {
                  if (isCanvasSupported()) {
                      if (isCrossOrigin(url) && !isImgCorsSupported()) {
                          drawOnImgFromUrlWithCssScaling(url, container, draw, maxSize);
                      } else {
                          drawOnCanvasOrImgFromUrl(url, container, draw, maxSize);
                      }
                  } else {
                      drawOnImgFromUrlWithCssScaling(url, container, draw, maxSize);
                  }
              } else if (isCanvas(container)) {
                  drawOnCanvasOrImgFromUrl(url, container, draw, maxSize);
              } else if (registerThumbnailRenderedListener(container, draw)) {
                  container.src = url;
              }
              return draw;
          }
          qq.extend(this, {
              generate: function(fileBlobOrUrl, container, options) {
                  if (qq.isString(fileBlobOrUrl)) {
                      log("Attempting to update thumbnail based on server response.");
                      return drawFromUrl(fileBlobOrUrl, container, options || {});
                  } else {
                      log("Attempting to draw client-side image preview.");
                      return draw(fileBlobOrUrl, container, options || {});
                  }
              }
          });
          this._testing = {};
          this._testing.isImg = isImg;
          this._testing.isCanvas = isCanvas;
          this._testing.isCrossOrigin = isCrossOrigin;
          this._testing.determineMimeOfFileName = determineMimeOfFileName;
      };
      qq.Exif = function(fileOrBlob, log) {
          "use strict";
          var TAG_IDS = [ 274 ], TAG_INFO = {
              274: {
                  name: "Orientation",
                  bytes: 2
              }
          };
          function parseLittleEndian(hex) {
              var result = 0, pow = 0;
              while (hex.length > 0) {
                  result += parseInt(hex.substring(0, 2), 16) * Math.pow(2, pow);
                  hex = hex.substring(2, hex.length);
                  pow += 8;
              }
              return result;
          }
          function seekToApp1(offset, promise) {
              var theOffset = offset, thePromise = promise;
              if (theOffset === undefined) {
                  theOffset = 2;
                  thePromise = new qq.Promise();
              }
              qq.readBlobToHex(fileOrBlob, theOffset, 4).then(function(hex) {
                  var match = /^ffe([0-9])/.exec(hex), segmentLength;
                  if (match) {
                      if (match[1] !== "1") {
                          segmentLength = parseInt(hex.slice(4, 8), 16);
                          seekToApp1(theOffset + segmentLength + 2, thePromise);
                      } else {
                          thePromise.success(theOffset);
                      }
                  } else {
                      thePromise.failure("No EXIF header to be found!");
                  }
              });
              return thePromise;
          }
          function getApp1Offset() {
              var promise = new qq.Promise();
              qq.readBlobToHex(fileOrBlob, 0, 6).then(function(hex) {
                  if (hex.indexOf("ffd8") !== 0) {
                      promise.failure("Not a valid JPEG!");
                  } else {
                      seekToApp1().then(function(offset) {
                          promise.success(offset);
                      }, function(error) {
                          promise.failure(error);
                      });
                  }
              });
              return promise;
          }
          function isLittleEndian(app1Start) {
              var promise = new qq.Promise();
              qq.readBlobToHex(fileOrBlob, app1Start + 10, 2).then(function(hex) {
                  promise.success(hex === "4949");
              });
              return promise;
          }
          function getDirEntryCount(app1Start, littleEndian) {
              var promise = new qq.Promise();
              qq.readBlobToHex(fileOrBlob, app1Start + 18, 2).then(function(hex) {
                  if (littleEndian) {
                      return promise.success(parseLittleEndian(hex));
                  } else {
                      promise.success(parseInt(hex, 16));
                  }
              });
              return promise;
          }
          function getIfd(app1Start, dirEntries) {
              var offset = app1Start + 20, bytes = dirEntries * 12;
              return qq.readBlobToHex(fileOrBlob, offset, bytes);
          }
          function getDirEntries(ifdHex) {
              var entries = [], offset = 0;
              while (offset + 24 <= ifdHex.length) {
                  entries.push(ifdHex.slice(offset, offset + 24));
                  offset += 24;
              }
              return entries;
          }
          function getTagValues(littleEndian, dirEntries) {
              var TAG_VAL_OFFSET = 16, tagsToFind = qq.extend([], TAG_IDS), vals = {};
              qq.each(dirEntries, function(idx, entry) {
                  var idHex = entry.slice(0, 4), id = littleEndian ? parseLittleEndian(idHex) : parseInt(idHex, 16), tagsToFindIdx = tagsToFind.indexOf(id), tagValHex, tagName, tagValLength;
                  if (tagsToFindIdx >= 0) {
                      tagName = TAG_INFO[id].name;
                      tagValLength = TAG_INFO[id].bytes;
                      tagValHex = entry.slice(TAG_VAL_OFFSET, TAG_VAL_OFFSET + tagValLength * 2);
                      vals[tagName] = littleEndian ? parseLittleEndian(tagValHex) : parseInt(tagValHex, 16);
                      tagsToFind.splice(tagsToFindIdx, 1);
                  }
                  if (tagsToFind.length === 0) {
                      return false;
                  }
              });
              return vals;
          }
          qq.extend(this, {
              parse: function() {
                  var parser = new qq.Promise(), onParseFailure = function(message) {
                      log(qq.format("EXIF header parse failed: '{}' ", message));
                      parser.failure(message);
                  };
                  getApp1Offset().then(function(app1Offset) {
                      log(qq.format("Moving forward with EXIF header parsing for '{}'", fileOrBlob.name === undefined ? "blob" : fileOrBlob.name));
                      isLittleEndian(app1Offset).then(function(littleEndian) {
                          log(qq.format("EXIF Byte order is {} endian", littleEndian ? "little" : "big"));
                          getDirEntryCount(app1Offset, littleEndian).then(function(dirEntryCount) {
                              log(qq.format("Found {} APP1 directory entries", dirEntryCount));
                              getIfd(app1Offset, dirEntryCount).then(function(ifdHex) {
                                  var dirEntries = getDirEntries(ifdHex), tagValues = getTagValues(littleEndian, dirEntries);
                                  log("Successfully parsed some EXIF tags");
                                  parser.success(tagValues);
                              }, onParseFailure);
                          }, onParseFailure);
                      }, onParseFailure);
                  }, onParseFailure);
                  return parser;
              }
          });
          this._testing = {};
          this._testing.parseLittleEndian = parseLittleEndian;
      };
      qq.Identify = function(fileOrBlob, log) {
          "use strict";
          function isIdentifiable(magicBytes, questionableBytes) {
              var identifiable = false, magicBytesEntries = [].concat(magicBytes);
              qq.each(magicBytesEntries, function(idx, magicBytesArrayEntry) {
                  if (questionableBytes.indexOf(magicBytesArrayEntry) === 0) {
                      identifiable = true;
                      return false;
                  }
              });
              return identifiable;
          }
          qq.extend(this, {
              isPreviewable: function() {
                  var self = this, identifier = new qq.Promise(), previewable = false, name = fileOrBlob.name === undefined ? "blob" : fileOrBlob.name;
                  log(qq.format("Attempting to determine if {} can be rendered in this browser", name));
                  log("First pass: check type attribute of blob object.");
                  if (this.isPreviewableSync()) {
                      log("Second pass: check for magic bytes in file header.");
                      qq.readBlobToHex(fileOrBlob, 0, 4).then(function(hex) {
                          qq.each(self.PREVIEWABLE_MIME_TYPES, function(mime, bytes) {
                              if (isIdentifiable(bytes, hex)) {
                                  if (mime !== "image/tiff" || qq.supportedFeatures.tiffPreviews) {
                                      previewable = true;
                                      identifier.success(mime);
                                  }
                                  return false;
                              }
                          });
                          log(qq.format("'{}' is {} able to be rendered in this browser", name, previewable ? "" : "NOT"));
                          if (!previewable) {
                              identifier.failure();
                          }
                      }, function() {
                          log("Error reading file w/ name '" + name + "'.  Not able to be rendered in this browser.");
                          identifier.failure();
                      });
                  } else {
                      identifier.failure();
                  }
                  return identifier;
              },
              isPreviewableSync: function() {
                  var fileMime = fileOrBlob.type, isRecognizedImage = qq.indexOf(Object.keys(this.PREVIEWABLE_MIME_TYPES), fileMime) >= 0, previewable = false, name = fileOrBlob.name === undefined ? "blob" : fileOrBlob.name;
                  if (isRecognizedImage) {
                      if (fileMime === "image/tiff") {
                          previewable = qq.supportedFeatures.tiffPreviews;
                      } else {
                          previewable = true;
                      }
                  }
                  !previewable && log(name + " is not previewable in this browser per the blob's type attr");
                  return previewable;
              }
          });
      };
      qq.Identify.prototype.PREVIEWABLE_MIME_TYPES = {
          "image/jpeg": "ffd8ff",
          "image/gif": "474946",
          "image/png": "89504e",
          "image/bmp": "424d",
          "image/tiff": [ "49492a00", "4d4d002a" ]
      };
      qq.ImageValidation = function(blob, log) {
          "use strict";
          function hasNonZeroLimits(limits) {
              var atLeastOne = false;
              qq.each(limits, function(limit, value) {
                  if (value > 0) {
                      atLeastOne = true;
                      return false;
                  }
              });
              return atLeastOne;
          }
          function getWidthHeight() {
              var sizeDetermination = new qq.Promise();
              new qq.Identify(blob, log).isPreviewable().then(function() {
                  var image = new Image(), url = window.URL && window.URL.createObjectURL ? window.URL : window.webkitURL && window.webkitURL.createObjectURL ? window.webkitURL : null;
                  if (url) {
                      image.onerror = function() {
                          log("Cannot determine dimensions for image.  May be too large.", "error");
                          sizeDetermination.failure();
                      };
                      image.onload = function() {
                          sizeDetermination.success({
                              width: this.width,
                              height: this.height
                          });
                      };
                      image.src = url.createObjectURL(blob);
                  } else {
                      log("No createObjectURL function available to generate image URL!", "error");
                      sizeDetermination.failure();
                  }
              }, sizeDetermination.failure);
              return sizeDetermination;
          }
          function getFailingLimit(limits, dimensions) {
              var failingLimit;
              qq.each(limits, function(limitName, limitValue) {
                  if (limitValue > 0) {
                      var limitMatcher = /(max|min)(Width|Height)/.exec(limitName), dimensionPropName = limitMatcher[2].charAt(0).toLowerCase() + limitMatcher[2].slice(1), actualValue = dimensions[dimensionPropName];
                      switch (limitMatcher[1]) {
                        case "min":
                          if (actualValue < limitValue) {
                              failingLimit = limitName;
                              return false;
                          }
                          break;
  
                        case "max":
                          if (actualValue > limitValue) {
                              failingLimit = limitName;
                              return false;
                          }
                          break;
                      }
                  }
              });
              return failingLimit;
          }
          this.validate = function(limits) {
              var validationEffort = new qq.Promise();
              log("Attempting to validate image.");
              if (hasNonZeroLimits(limits)) {
                  getWidthHeight().then(function(dimensions) {
                      var failingLimit = getFailingLimit(limits, dimensions);
                      if (failingLimit) {
                          validationEffort.failure(failingLimit);
                      } else {
                          validationEffort.success();
                      }
                  }, validationEffort.success);
              } else {
                  validationEffort.success();
              }
              return validationEffort;
          };
      };
      qq.Session = function(spec) {
          "use strict";
          var options = {
              endpoint: null,
              params: {},
              customHeaders: {},
              cors: {},
              addFileRecord: function(sessionData) {},
              log: function(message, level) {}
          };
          qq.extend(options, spec, true);
          function isJsonResponseValid(response) {
              if (qq.isArray(response)) {
                  return true;
              }
              options.log("Session response is not an array.", "error");
          }
          function handleFileItems(fileItems, success, xhrOrXdr, promise) {
              var someItemsIgnored = false;
              success = success && isJsonResponseValid(fileItems);
              if (success) {
                  qq.each(fileItems, function(idx, fileItem) {
                      if (fileItem.uuid == null) {
                          someItemsIgnored = true;
                          options.log(qq.format("Session response item {} did not include a valid UUID - ignoring.", idx), "error");
                      } else if (fileItem.name == null) {
                          someItemsIgnored = true;
                          options.log(qq.format("Session response item {} did not include a valid name - ignoring.", idx), "error");
                      } else {
                          try {
                              options.addFileRecord(fileItem);
                              return true;
                          } catch (err) {
                              someItemsIgnored = true;
                              options.log(err.message, "error");
                          }
                      }
                      return false;
                  });
              }
              promise[success && !someItemsIgnored ? "success" : "failure"](fileItems, xhrOrXdr);
          }
          this.refresh = function() {
              var refreshEffort = new qq.Promise(), refreshCompleteCallback = function(response, success, xhrOrXdr) {
                  handleFileItems(response, success, xhrOrXdr, refreshEffort);
              }, requesterOptions = qq.extend({}, options), requester = new qq.SessionAjaxRequester(qq.extend(requesterOptions, {
                  onComplete: refreshCompleteCallback
              }));
              requester.queryServer();
              return refreshEffort;
          };
      };
      qq.SessionAjaxRequester = function(spec) {
          "use strict";
          var requester, options = {
              endpoint: null,
              customHeaders: {},
              params: {},
              cors: {
                  expected: false,
                  sendCredentials: false
              },
              onComplete: function(response, success, xhrOrXdr) {},
              log: function(str, level) {}
          };
          qq.extend(options, spec);
          function onComplete(id, xhrOrXdr, isError) {
              var response = null;
              if (xhrOrXdr.responseText != null) {
                  try {
                      response = qq.parseJson(xhrOrXdr.responseText);
                  } catch (err) {
                      options.log("Problem parsing session response: " + err.message, "error");
                      isError = true;
                  }
              }
              options.onComplete(response, !isError, xhrOrXdr);
          }
          requester = qq.extend(this, new qq.AjaxRequester({
              acceptHeader: "application/json",
              validMethods: [ "GET" ],
              method: "GET",
              endpointStore: {
                  get: function() {
                      return options.endpoint;
                  }
              },
              customHeaders: options.customHeaders,
              log: options.log,
              onComplete: onComplete,
              cors: options.cors
          }));
          qq.extend(this, {
              queryServer: function() {
                  var params = qq.extend({}, options.params);
                  options.log("Session query request.");
                  requester.initTransport("sessionRefresh").withParams(params).withCacheBuster().send();
              }
          });
      };
      qq.Scaler = function(spec, log) {
          "use strict";
          var self = this, customResizeFunction = spec.customResizer, includeOriginal = spec.sendOriginal, orient = spec.orient, defaultType = spec.defaultType, defaultQuality = spec.defaultQuality / 100, failedToScaleText = spec.failureText, includeExif = spec.includeExif, sizes = this._getSortedSizes(spec.sizes);
          qq.extend(this, {
              enabled: qq.supportedFeatures.scaling && sizes.length > 0,
              getFileRecords: function(originalFileUuid, originalFileName, originalBlobOrBlobData) {
                  var self = this, records = [], originalBlob = originalBlobOrBlobData.blob ? originalBlobOrBlobData.blob : originalBlobOrBlobData, identifier = new qq.Identify(originalBlob, log);
                  if (identifier.isPreviewableSync()) {
                      qq.each(sizes, function(idx, sizeRecord) {
                          var outputType = self._determineOutputType({
                              defaultType: defaultType,
                              requestedType: sizeRecord.type,
                              refType: originalBlob.type
                          });
                          records.push({
                              uuid: qq.getUniqueId(),
                              name: self._getName(originalFileName, {
                                  name: sizeRecord.name,
                                  type: outputType,
                                  refType: originalBlob.type
                              }),
                              blob: new qq.BlobProxy(originalBlob, qq.bind(self._generateScaledImage, self, {
                                  customResizeFunction: customResizeFunction,
                                  maxSize: sizeRecord.maxSize,
                                  orient: orient,
                                  type: outputType,
                                  quality: defaultQuality,
                                  failedText: failedToScaleText,
                                  includeExif: includeExif,
                                  log: log
                              }))
                          });
                      });
                      records.push({
                          uuid: originalFileUuid,
                          name: originalFileName,
                          size: originalBlob.size,
                          blob: includeOriginal ? originalBlob : null
                      });
                  } else {
                      records.push({
                          uuid: originalFileUuid,
                          name: originalFileName,
                          size: originalBlob.size,
                          blob: originalBlob
                      });
                  }
                  return records;
              },
              handleNewFile: function(file, name, uuid, size, fileList, batchId, uuidParamName, api) {
                  var self = this, buttonId = file.qqButtonId || file.blob && file.blob.qqButtonId, scaledIds = [], originalId = null, addFileToHandler = api.addFileToHandler, uploadData = api.uploadData, paramsStore = api.paramsStore, proxyGroupId = qq.getUniqueId();
                  qq.each(self.getFileRecords(uuid, name, file), function(idx, record) {
                      var blobSize = record.size, id;
                      if (record.blob instanceof qq.BlobProxy) {
                          blobSize = -1;
                      }
                      id = uploadData.addFile({
                          uuid: record.uuid,
                          name: record.name,
                          size: blobSize,
                          batchId: batchId,
                          proxyGroupId: proxyGroupId
                      });
                      if (record.blob instanceof qq.BlobProxy) {
                          scaledIds.push(id);
                      } else {
                          originalId = id;
                      }
                      if (record.blob) {
                          addFileToHandler(id, record.blob);
                          fileList.push({
                              id: id,
                              file: record.blob
                          });
                      } else {
                          uploadData.setStatus(id, qq.status.REJECTED);
                      }
                  });
                  if (originalId !== null) {
                      qq.each(scaledIds, function(idx, scaledId) {
                          var params = {
                              qqparentuuid: uploadData.retrieve({
                                  id: originalId
                              }).uuid,
                              qqparentsize: uploadData.retrieve({
                                  id: originalId
                              }).size
                          };
                          params[uuidParamName] = uploadData.retrieve({
                              id: scaledId
                          }).uuid;
                          uploadData.setParentId(scaledId, originalId);
                          paramsStore.addReadOnly(scaledId, params);
                      });
                      if (scaledIds.length) {
                          (function() {
                              var param = {};
                              param[uuidParamName] = uploadData.retrieve({
                                  id: originalId
                              }).uuid;
                              paramsStore.addReadOnly(originalId, param);
                          })();
                      }
                  }
              }
          });
      };
      qq.extend(qq.Scaler.prototype, {
          scaleImage: function(id, specs, api) {
              "use strict";
              if (!qq.supportedFeatures.scaling) {
                  throw new qq.Error("Scaling is not supported in this browser!");
              }
              var scalingEffort = new qq.Promise(), log = api.log, file = api.getFile(id), uploadData = api.uploadData.retrieve({
                  id: id
              }), name = uploadData && uploadData.name, uuid = uploadData && uploadData.uuid, scalingOptions = {
                  customResizer: specs.customResizer,
                  sendOriginal: false,
                  orient: specs.orient,
                  defaultType: specs.type || null,
                  defaultQuality: specs.quality,
                  failedToScaleText: "Unable to scale",
                  sizes: [ {
                      name: "",
                      maxSize: specs.maxSize
                  } ]
              }, scaler = new qq.Scaler(scalingOptions, log);
              if (!qq.Scaler || !qq.supportedFeatures.imagePreviews || !file) {
                  scalingEffort.failure();
                  log("Could not generate requested scaled image for " + id + ".  " + "Scaling is either not possible in this browser, or the file could not be located.", "error");
              } else {
                  qq.bind(function() {
                      var record = scaler.getFileRecords(uuid, name, file)[0];
                      if (record && record.blob instanceof qq.BlobProxy) {
                          record.blob.create().then(scalingEffort.success, scalingEffort.failure);
                      } else {
                          log(id + " is not a scalable image!", "error");
                          scalingEffort.failure();
                      }
                  }, this)();
              }
              return scalingEffort;
          },
          _determineOutputType: function(spec) {
              "use strict";
              var requestedType = spec.requestedType, defaultType = spec.defaultType, referenceType = spec.refType;
              if (!defaultType && !requestedType) {
                  if (referenceType !== "image/jpeg") {
                      return "image/png";
                  }
                  return referenceType;
              }
              if (!requestedType) {
                  return defaultType;
              }
              if (qq.indexOf(Object.keys(qq.Identify.prototype.PREVIEWABLE_MIME_TYPES), requestedType) >= 0) {
                  if (requestedType === "image/tiff") {
                      return qq.supportedFeatures.tiffPreviews ? requestedType : defaultType;
                  }
                  return requestedType;
              }
              return defaultType;
          },
          _getName: function(originalName, scaledVersionProperties) {
              "use strict";
              var startOfExt = originalName.lastIndexOf("."), versionType = scaledVersionProperties.type || "image/png", referenceType = scaledVersionProperties.refType, scaledName = "", scaledExt = qq.getExtension(originalName), nameAppendage = "";
              if (scaledVersionProperties.name && scaledVersionProperties.name.trim().length) {
                  nameAppendage = " (" + scaledVersionProperties.name + ")";
              }
              if (startOfExt >= 0) {
                  scaledName = originalName.substr(0, startOfExt);
                  if (referenceType !== versionType) {
                      scaledExt = versionType.split("/")[1];
                  }
                  scaledName += nameAppendage + "." + scaledExt;
              } else {
                  scaledName = originalName + nameAppendage;
              }
              return scaledName;
          },
          _getSortedSizes: function(sizes) {
              "use strict";
              sizes = qq.extend([], sizes);
              return sizes.sort(function(a, b) {
                  if (a.maxSize > b.maxSize) {
                      return 1;
                  }
                  if (a.maxSize < b.maxSize) {
                      return -1;
                  }
                  return 0;
              });
          },
          _generateScaledImage: function(spec, sourceFile) {
              "use strict";
              var self = this, customResizeFunction = spec.customResizeFunction, log = spec.log, maxSize = spec.maxSize, orient = spec.orient, type = spec.type, quality = spec.quality, failedText = spec.failedText, includeExif = spec.includeExif && sourceFile.type === "image/jpeg" && type === "image/jpeg", scalingEffort = new qq.Promise(), imageGenerator = new qq.ImageGenerator(log), canvas = document.createElement("canvas");
              log("Attempting to generate scaled version for " + sourceFile.name);
              imageGenerator.generate(sourceFile, canvas, {
                  maxSize: maxSize,
                  orient: orient,
                  customResizeFunction: customResizeFunction
              }).then(function() {
                  var scaledImageDataUri = canvas.toDataURL(type, quality), signalSuccess = function() {
                      log("Success generating scaled version for " + sourceFile.name);
                      var blob = qq.dataUriToBlob(scaledImageDataUri);
                      scalingEffort.success(blob);
                  };
                  if (includeExif) {
                      self._insertExifHeader(sourceFile, scaledImageDataUri, log).then(function(scaledImageDataUriWithExif) {
                          scaledImageDataUri = scaledImageDataUriWithExif;
                          signalSuccess();
                      }, function() {
                          log("Problem inserting EXIF header into scaled image.  Using scaled image w/out EXIF data.", "error");
                          signalSuccess();
                      });
                  } else {
                      signalSuccess();
                  }
              }, function() {
                  log("Failed attempt to generate scaled version for " + sourceFile.name, "error");
                  scalingEffort.failure(failedText);
              });
              return scalingEffort;
          },
          _insertExifHeader: function(originalImage, scaledImageDataUri, log) {
              "use strict";
              var reader = new FileReader(), insertionEffort = new qq.Promise(), originalImageDataUri = "";
              reader.onload = function() {
                  originalImageDataUri = reader.result;
                  insertionEffort.success(qq.ExifRestorer.restore(originalImageDataUri, scaledImageDataUri));
              };
              reader.onerror = function() {
                  log("Problem reading " + originalImage.name + " during attempt to transfer EXIF data to scaled version.", "error");
                  insertionEffort.failure();
              };
              reader.readAsDataURL(originalImage);
              return insertionEffort;
          },
          _dataUriToBlob: function(dataUri) {
              "use strict";
              var byteString, mimeString, arrayBuffer, intArray;
              if (dataUri.split(",")[0].indexOf("base64") >= 0) {
                  byteString = atob(dataUri.split(",")[1]);
              } else {
                  byteString = decodeURI(dataUri.split(",")[1]);
              }
              mimeString = dataUri.split(",")[0].split(":")[1].split(";")[0];
              arrayBuffer = new ArrayBuffer(byteString.length);
              intArray = new Uint8Array(arrayBuffer);
              qq.each(byteString, function(idx, character) {
                  intArray[idx] = character.charCodeAt(0);
              });
              return this._createBlob(arrayBuffer, mimeString);
          },
          _createBlob: function(data, mime) {
              "use strict";
              var BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder || window.MSBlobBuilder, blobBuilder = BlobBuilder && new BlobBuilder();
              if (blobBuilder) {
                  blobBuilder.append(data);
                  return blobBuilder.getBlob(mime);
              } else {
                  return new Blob([ data ], {
                      type: mime
                  });
              }
          }
      });
      qq.ExifRestorer = function() {
          var ExifRestorer = {};
          ExifRestorer.KEY_STR = "ABCDEFGHIJKLMNOP" + "QRSTUVWXYZabcdef" + "ghijklmnopqrstuv" + "wxyz0123456789+/" + "=";
          ExifRestorer.encode64 = function(input) {
              var output = "", chr1, chr2, chr3 = "", enc1, enc2, enc3, enc4 = "", i = 0;
              do {
                  chr1 = input[i++];
                  chr2 = input[i++];
                  chr3 = input[i++];
                  enc1 = chr1 >> 2;
                  enc2 = (chr1 & 3) << 4 | chr2 >> 4;
                  enc3 = (chr2 & 15) << 2 | chr3 >> 6;
                  enc4 = chr3 & 63;
                  if (isNaN(chr2)) {
                      enc3 = enc4 = 64;
                  } else if (isNaN(chr3)) {
                      enc4 = 64;
                  }
                  output = output + this.KEY_STR.charAt(enc1) + this.KEY_STR.charAt(enc2) + this.KEY_STR.charAt(enc3) + this.KEY_STR.charAt(enc4);
                  chr1 = chr2 = chr3 = "";
                  enc1 = enc2 = enc3 = enc4 = "";
              } while (i < input.length);
              return output;
          };
          ExifRestorer.restore = function(origFileBase64, resizedFileBase64) {
              var expectedBase64Header = "data:image/jpeg;base64,";
              if (!origFileBase64.match(expectedBase64Header)) {
                  return resizedFileBase64;
              }
              var rawImage = this.decode64(origFileBase64.replace(expectedBase64Header, ""));
              var segments = this.slice2Segments(rawImage);
              var image = this.exifManipulation(resizedFileBase64, segments);
              return expectedBase64Header + this.encode64(image);
          };
          ExifRestorer.exifManipulation = function(resizedFileBase64, segments) {
              var exifArray = this.getExifArray(segments), newImageArray = this.insertExif(resizedFileBase64, exifArray), aBuffer = new Uint8Array(newImageArray);
              return aBuffer;
          };
          ExifRestorer.getExifArray = function(segments) {
              var seg;
              for (var x = 0; x < segments.length; x++) {
                  seg = segments[x];
                  if (seg[0] == 255 & seg[1] == 225) {
                      return seg;
                  }
              }
              return [];
          };
          ExifRestorer.insertExif = function(resizedFileBase64, exifArray) {
              var imageData = resizedFileBase64.replace("data:image/jpeg;base64,", ""), buf = this.decode64(imageData), separatePoint = buf.indexOf(255, 3), mae = buf.slice(0, separatePoint), ato = buf.slice(separatePoint), array = mae;
              array = array.concat(exifArray);
              array = array.concat(ato);
              return array;
          };
          ExifRestorer.slice2Segments = function(rawImageArray) {
              var head = 0, segments = [];
              while (1) {
                  if (rawImageArray[head] == 255 & rawImageArray[head + 1] == 218) {
                      break;
                  }
                  if (rawImageArray[head] == 255 & rawImageArray[head + 1] == 216) {
                      head += 2;
                  } else {
                      var length = rawImageArray[head + 2] * 256 + rawImageArray[head + 3], endPoint = head + length + 2, seg = rawImageArray.slice(head, endPoint);
                      segments.push(seg);
                      head = endPoint;
                  }
                  if (head > rawImageArray.length) {
                      break;
                  }
              }
              return segments;
          };
          ExifRestorer.decode64 = function(input) {
              var output = "", chr1, chr2, chr3 = "", enc1, enc2, enc3, enc4 = "", i = 0, buf = [];
              var base64test = /[^A-Za-z0-9\+\/\=]/g;
              if (base64test.exec(input)) {
                  throw new Error("There were invalid base64 characters in the input text.  " + "Valid base64 characters are A-Z, a-z, 0-9, '+', '/',and '='");
              }
              input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
              do {
                  enc1 = this.KEY_STR.indexOf(input.charAt(i++));
                  enc2 = this.KEY_STR.indexOf(input.charAt(i++));
                  enc3 = this.KEY_STR.indexOf(input.charAt(i++));
                  enc4 = this.KEY_STR.indexOf(input.charAt(i++));
                  chr1 = enc1 << 2 | enc2 >> 4;
                  chr2 = (enc2 & 15) << 4 | enc3 >> 2;
                  chr3 = (enc3 & 3) << 6 | enc4;
                  buf.push(chr1);
                  if (enc3 != 64) {
                      buf.push(chr2);
                  }
                  if (enc4 != 64) {
                      buf.push(chr3);
                  }
                  chr1 = chr2 = chr3 = "";
                  enc1 = enc2 = enc3 = enc4 = "";
              } while (i < input.length);
              return buf;
          };
          return ExifRestorer;
      }();
      qq.TotalProgress = function(callback, getSize) {
          "use strict";
          var perFileProgress = {}, totalLoaded = 0, totalSize = 0, lastLoadedSent = -1, lastTotalSent = -1, callbackProxy = function(loaded, total) {
              if (loaded !== lastLoadedSent || total !== lastTotalSent) {
                  callback(loaded, total);
              }
              lastLoadedSent = loaded;
              lastTotalSent = total;
          }, noRetryableFiles = function(failed, retryable) {
              var none = true;
              qq.each(failed, function(idx, failedId) {
                  if (qq.indexOf(retryable, failedId) >= 0) {
                      none = false;
                      return false;
                  }
              });
              return none;
          }, onCancel = function(id) {
              updateTotalProgress(id, -1, -1);
              delete perFileProgress[id];
          }, onAllComplete = function(successful, failed, retryable) {
              if (failed.length === 0 || noRetryableFiles(failed, retryable)) {
                  callbackProxy(totalSize, totalSize);
                  this.reset();
              }
          }, onNew = function(id) {
              var size = getSize(id);
              if (size > 0) {
                  updateTotalProgress(id, 0, size);
                  perFileProgress[id] = {
                      loaded: 0,
                      total: size
                  };
              }
          }, updateTotalProgress = function(id, newLoaded, newTotal) {
              var oldLoaded = perFileProgress[id] ? perFileProgress[id].loaded : 0, oldTotal = perFileProgress[id] ? perFileProgress[id].total : 0;
              if (newLoaded === -1 && newTotal === -1) {
                  totalLoaded -= oldLoaded;
                  totalSize -= oldTotal;
              } else {
                  if (newLoaded) {
                      totalLoaded += newLoaded - oldLoaded;
                  }
                  if (newTotal) {
                      totalSize += newTotal - oldTotal;
                  }
              }
              callbackProxy(totalLoaded, totalSize);
          };
          qq.extend(this, {
              onAllComplete: onAllComplete,
              onStatusChange: function(id, oldStatus, newStatus) {
                  if (newStatus === qq.status.CANCELED || newStatus === qq.status.REJECTED) {
                      onCancel(id);
                  } else if (newStatus === qq.status.SUBMITTING) {
                      onNew(id);
                  }
              },
              onIndividualProgress: function(id, loaded, total) {
                  updateTotalProgress(id, loaded, total);
                  perFileProgress[id] = {
                      loaded: loaded,
                      total: total
                  };
              },
              onNewSize: function(id) {
                  onNew(id);
              },
              reset: function() {
                  perFileProgress = {};
                  totalLoaded = 0;
                  totalSize = 0;
              }
          });
      };
      qq.PasteSupport = function(o) {
          "use strict";
          var options, detachPasteHandler;
          options = {
              targetElement: null,
              callbacks: {
                  log: function(message, level) {},
                  pasteReceived: function(blob) {}
              }
          };
          function isImage(item) {
              return item.type && item.type.indexOf("image/") === 0;
          }
          function registerPasteHandler() {
              detachPasteHandler = qq(options.targetElement).attach("paste", function(event) {
                  var clipboardData = event.clipboardData;
                  if (clipboardData) {
                      qq.each(clipboardData.items, function(idx, item) {
                          if (isImage(item)) {
                              var blob = item.getAsFile();
                              options.callbacks.pasteReceived(blob);
                          }
                      });
                  }
              });
          }
          function unregisterPasteHandler() {
              if (detachPasteHandler) {
                  detachPasteHandler();
              }
          }
          qq.extend(options, o);
          registerPasteHandler();
          qq.extend(this, {
              reset: function() {
                  unregisterPasteHandler();
              }
          });
      };
      qq.FormSupport = function(options, startUpload, log) {
          "use strict";
          var self = this, interceptSubmit = options.interceptSubmit, formEl = options.element, autoUpload = options.autoUpload;
          qq.extend(this, {
              newEndpoint: null,
              newAutoUpload: autoUpload,
              attachedToForm: false,
              getFormInputsAsObject: function() {
                  if (formEl == null) {
                      return null;
                  }
                  return self._form2Obj(formEl);
              }
          });
          function determineNewEndpoint(formEl) {
              if (formEl.getAttribute("action")) {
                  self.newEndpoint = formEl.getAttribute("action");
              }
          }
          function validateForm(formEl, nativeSubmit) {
              if (formEl.checkValidity && !formEl.checkValidity()) {
                  log("Form did not pass validation checks - will not upload.", "error");
                  nativeSubmit();
              } else {
                  return true;
              }
          }
          function maybeUploadOnSubmit(formEl) {
              var nativeSubmit = formEl.submit;
              qq(formEl).attach("submit", function(event) {
                  event = event || window.event;
                  if (event.preventDefault) {
                      event.preventDefault();
                  } else {
                      event.returnValue = false;
                  }
                  validateForm(formEl, nativeSubmit) && startUpload();
              });
              formEl.submit = function() {
                  validateForm(formEl, nativeSubmit) && startUpload();
              };
          }
          function determineFormEl(formEl) {
              if (formEl) {
                  if (qq.isString(formEl)) {
                      formEl = document.getElementById(formEl);
                  }
                  if (formEl) {
                      log("Attaching to form element.");
                      determineNewEndpoint(formEl);
                      interceptSubmit && maybeUploadOnSubmit(formEl);
                  }
              }
              return formEl;
          }
          formEl = determineFormEl(formEl);
          this.attachedToForm = !!formEl;
      };
      qq.extend(qq.FormSupport.prototype, {
          _form2Obj: function(form) {
              "use strict";
              var obj = {}, notIrrelevantType = function(type) {
                  var irrelevantTypes = [ "button", "image", "reset", "submit" ];
                  return qq.indexOf(irrelevantTypes, type.toLowerCase()) < 0;
              }, radioOrCheckbox = function(type) {
                  return qq.indexOf([ "checkbox", "radio" ], type.toLowerCase()) >= 0;
              }, ignoreValue = function(el) {
                  if (radioOrCheckbox(el.type) && !el.checked) {
                      return true;
                  }
                  return el.disabled && el.type.toLowerCase() !== "hidden";
              }, selectValue = function(select) {
                  var value = null;
                  qq.each(qq(select).children(), function(idx, child) {
                      if (child.tagName.toLowerCase() === "option" && child.selected) {
                          value = child.value;
                          return false;
                      }
                  });
                  return value;
              };
              qq.each(form.elements, function(idx, el) {
                  if ((qq.isInput(el, true) || el.tagName.toLowerCase() === "textarea") && notIrrelevantType(el.type) && !ignoreValue(el)) {
                      obj[el.name] = el.value;
                  } else if (el.tagName.toLowerCase() === "select" && !ignoreValue(el)) {
                      var value = selectValue(el);
                      if (value !== null) {
                          obj[el.name] = value;
                      }
                  }
              });
              return obj;
          }
      });
      qq.traditional = qq.traditional || {};
      qq.traditional.FormUploadHandler = function(options, proxy) {
          "use strict";
          var handler = this, getName = proxy.getName, getUuid = proxy.getUuid, log = proxy.log;
          function getIframeContentJson(id, iframe) {
              var response, doc, innerHtml;
              try {
                  doc = iframe.contentDocument || iframe.contentWindow.document;
                  innerHtml = doc.body.innerHTML;
                  log("converting iframe's innerHTML to JSON");
                  log("innerHTML = " + innerHtml);
                  if (innerHtml && innerHtml.match(/^<pre/i)) {
                      innerHtml = doc.body.firstChild.firstChild.nodeValue;
                  }
                  response = handler._parseJsonResponse(innerHtml);
              } catch (error) {
                  log("Error when attempting to parse form upload response (" + error.message + ")", "error");
                  response = {
                      success: false
                  };
              }
              return response;
          }
          function createForm(id, iframe) {
              var params = options.paramsStore.get(id), method = options.method.toLowerCase() === "get" ? "GET" : "POST", endpoint = options.endpointStore.get(id), name = getName(id);
              params[options.uuidName] = getUuid(id);
              params[options.filenameParam] = name;
              return handler._initFormForUpload({
                  method: method,
                  endpoint: endpoint,
                  params: params,
                  paramsInBody: options.paramsInBody,
                  targetName: iframe.name
              });
          }
          this.uploadFile = function(id) {
              var input = handler.getInput(id), iframe = handler._createIframe(id), promise = new qq.Promise(), form;
              form = createForm(id, iframe);
              form.appendChild(input);
              handler._attachLoadEvent(iframe, function(responseFromMessage) {
                  log("iframe loaded");
                  var response = responseFromMessage ? responseFromMessage : getIframeContentJson(id, iframe);
                  handler._detachLoadEvent(id);
                  if (!options.cors.expected) {
                      qq(iframe).remove();
                  }
                  if (response.success) {
                      promise.success(response);
                  } else {
                      promise.failure(response);
                  }
              });
              log("Sending upload request for " + id);
              form.submit();
              qq(form).remove();
              return promise;
          };
          qq.extend(this, new qq.FormUploadHandler({
              options: {
                  isCors: options.cors.expected,
                  inputName: options.inputName
              },
              proxy: {
                  onCancel: options.onCancel,
                  getName: getName,
                  getUuid: getUuid,
                  log: log
              }
          }));
      };
      qq.traditional = qq.traditional || {};
      qq.traditional.XhrUploadHandler = function(spec, proxy) {
          "use strict";
          var handler = this, getName = proxy.getName, getSize = proxy.getSize, getUuid = proxy.getUuid, log = proxy.log, multipart = spec.forceMultipart || spec.paramsInBody, addChunkingSpecificParams = function(id, params, chunkData) {
              var size = getSize(id), name = getName(id);
              if (!spec.omitDefaultParams) {
                  params[spec.chunking.paramNames.partIndex] = chunkData.part;
                  params[spec.chunking.paramNames.partByteOffset] = chunkData.start;
                  params[spec.chunking.paramNames.chunkSize] = chunkData.size;
                  params[spec.chunking.paramNames.totalParts] = chunkData.count;
                  params[spec.totalFileSizeName] = size;
              }
              if (multipart && !spec.omitDefaultParams) {
                  params[spec.filenameParam] = name;
              }
          }, allChunksDoneRequester = new qq.traditional.AllChunksDoneAjaxRequester({
              cors: spec.cors,
              endpoint: spec.chunking.success.endpoint,
              headers: spec.chunking.success.headers,
              jsonPayload: spec.chunking.success.jsonPayload,
              log: log,
              method: spec.chunking.success.method,
              params: spec.chunking.success.params
          }), createReadyStateChangedHandler = function(id, xhr) {
              var promise = new qq.Promise();
              xhr.onreadystatechange = function() {
                  if (xhr.readyState === 4) {
                      var result = onUploadOrChunkComplete(id, xhr);
                      if (result.success) {
                          promise.success(result.response, xhr);
                      } else {
                          promise.failure(result.response, xhr);
                      }
                  }
              };
              return promise;
          }, getChunksCompleteParams = function(id) {
              var params = spec.paramsStore.get(id), name = getName(id), size = getSize(id);
              params[spec.uuidName] = getUuid(id);
              params[spec.filenameParam] = name;
              params[spec.totalFileSizeName] = size;
              params[spec.chunking.paramNames.totalParts] = handler._getTotalChunks(id);
              return params;
          }, isErrorUploadResponse = function(xhr, response) {
              return qq.indexOf([ 200, 201, 202, 203, 204 ], xhr.status) < 0 || spec.requireSuccessJson && !response.success || response.reset;
          }, onUploadOrChunkComplete = function(id, xhr) {
              var response;
              log("xhr - server response received for " + id);
              log("responseText = " + xhr.responseText);
              response = parseResponse(true, xhr);
              return {
                  success: !isErrorUploadResponse(xhr, response),
                  response: response
              };
          }, parseResponse = function(upload, xhr) {
              var response = {};
              try {
                  log(qq.format("Received response status {} with body: {}", xhr.status, xhr.responseText));
                  response = qq.parseJson(xhr.responseText);
              } catch (error) {
                  upload && spec.requireSuccessJson && log("Error when attempting to parse xhr response text (" + error.message + ")", "error");
              }
              return response;
          }, sendChunksCompleteRequest = function(id) {
              var promise = new qq.Promise();
              allChunksDoneRequester.complete(id, handler._createXhr(id), getChunksCompleteParams(id), spec.customHeaders.get(id)).then(function(xhr) {
                  promise.success(parseResponse(false, xhr), xhr);
              }, function(xhr) {
                  promise.failure(parseResponse(false, xhr), xhr);
              });
              return promise;
          }, setParamsAndGetEntityToSend = function(entityToSendParams) {
              var fileOrBlob = entityToSendParams.fileOrBlob;
              var id = entityToSendParams.id;
              var xhr = entityToSendParams.xhr;
              var xhrOverrides = entityToSendParams.xhrOverrides || {};
              var customParams = entityToSendParams.customParams || {};
              var defaultParams = entityToSendParams.params || {};
              var xhrOverrideParams = xhrOverrides.params || {};
              var params;
              var formData = multipart ? new FormData() : null, method = xhrOverrides.method || spec.method, endpoint = xhrOverrides.endpoint || spec.endpointStore.get(id), name = getName(id), size = getSize(id);
              if (spec.omitDefaultParams) {
                  params = qq.extend({}, customParams);
                  qq.extend(params, xhrOverrideParams);
              } else {
                  params = qq.extend({}, customParams);
                  qq.extend(params, xhrOverrideParams);
                  qq.extend(params, defaultParams);
                  params[spec.uuidName] = getUuid(id);
                  params[spec.filenameParam] = name;
                  if (multipart) {
                      params[spec.totalFileSizeName] = size;
                  } else if (!spec.paramsInBody) {
                      params[spec.inputName] = name;
                  }
              }
              if (!spec.paramsInBody) {
                  endpoint = qq.obj2url(params, endpoint);
              }
              xhr.open(method, endpoint, true);
              if (spec.cors.expected && spec.cors.sendCredentials) {
                  xhr.withCredentials = true;
              }
              if (multipart) {
                  if (spec.paramsInBody) {
                      qq.obj2FormData(params, formData);
                  }
                  formData.append(spec.inputName, fileOrBlob);
                  return formData;
              }
              return fileOrBlob;
          }, setUploadHeaders = function(headersOptions) {
              var headerOverrides = headersOptions.headerOverrides;
              var id = headersOptions.id;
              var xhr = headersOptions.xhr;
              if (headerOverrides) {
                  qq.each(headerOverrides, function(headerName, headerValue) {
                      xhr.setRequestHeader(headerName, headerValue);
                  });
              } else {
                  var extraHeaders = spec.customHeaders.get(id), fileOrBlob = handler.getFile(id);
                  xhr.setRequestHeader("Accept", "application/json");
                  xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
                  xhr.setRequestHeader("Cache-Control", "no-cache");
                  if (!multipart) {
                      xhr.setRequestHeader("Content-Type", "application/octet-stream");
                      xhr.setRequestHeader("X-Mime-Type", fileOrBlob.type);
                  }
                  qq.each(extraHeaders, function(name, val) {
                      xhr.setRequestHeader(name, val);
                  });
              }
          };
          qq.extend(this, {
              uploadChunk: function(uploadChunkParams) {
                  var id = uploadChunkParams.id;
                  var chunkIdx = uploadChunkParams.chunkIdx;
                  var overrides = uploadChunkParams.overrides || {};
                  var resuming = uploadChunkParams.resuming;
                  var chunkData = handler._getChunkData(id, chunkIdx), xhr = handler._createXhr(id, chunkIdx), promise, toSend, customParams, params = {};
                  promise = createReadyStateChangedHandler(id, xhr);
                  handler._registerProgressHandler(id, chunkIdx, chunkData.size);
                  customParams = spec.paramsStore.get(id);
                  addChunkingSpecificParams(id, params, chunkData);
                  if (resuming) {
                      params[spec.resume.paramNames.resuming] = true;
                  }
                  toSend = setParamsAndGetEntityToSend({
                      fileOrBlob: chunkData.blob,
                      id: id,
                      customParams: customParams,
                      params: params,
                      xhr: xhr,
                      xhrOverrides: overrides
                  });
                  setUploadHeaders({
                      headerOverrides: overrides.headers,
                      id: id,
                      xhr: xhr
                  });
                  xhr.send(toSend);
                  return promise;
              },
              uploadFile: function(id) {
                  var fileOrBlob = handler.getFile(id), promise, xhr, customParams, toSend;
                  xhr = handler._createXhr(id);
                  handler._registerProgressHandler(id);
                  promise = createReadyStateChangedHandler(id, xhr);
                  customParams = spec.paramsStore.get(id);
                  toSend = setParamsAndGetEntityToSend({
                      fileOrBlob: fileOrBlob,
                      id: id,
                      customParams: customParams,
                      xhr: xhr
                  });
                  setUploadHeaders({
                      id: id,
                      xhr: xhr
                  });
                  xhr.send(toSend);
                  return promise;
              }
          });
          qq.extend(this, new qq.XhrUploadHandler({
              options: qq.extend({
                  namespace: "traditional"
              }, spec),
              proxy: qq.extend({
                  getEndpoint: spec.endpointStore.get
              }, proxy)
          }));
          qq.override(this, function(super_) {
              return {
                  finalizeChunks: function(id) {
                      proxy.onFinalizing(id);
                      if (spec.chunking.success.endpoint) {
                          return sendChunksCompleteRequest(id);
                      } else {
                          return super_.finalizeChunks(id, qq.bind(parseResponse, this, true));
                      }
                  }
              };
          });
      };
      qq.traditional.AllChunksDoneAjaxRequester = function(o) {
          "use strict";
          var requester, options = {
              cors: {
                  allowXdr: false,
                  expected: false,
                  sendCredentials: false
              },
              endpoint: null,
              log: function(str, level) {},
              method: "POST"
          }, promises = {}, endpointHandler = {
              get: function(id) {
                  if (qq.isFunction(options.endpoint)) {
                      return options.endpoint(id);
                  }
                  return options.endpoint;
              }
          };
          qq.extend(options, o);
          requester = qq.extend(this, new qq.AjaxRequester({
              acceptHeader: "application/json",
              contentType: options.jsonPayload ? "application/json" : "application/x-www-form-urlencoded",
              validMethods: [ options.method ],
              method: options.method,
              endpointStore: endpointHandler,
              allowXRequestedWithAndCacheControl: false,
              cors: options.cors,
              log: options.log,
              onComplete: function(id, xhr, isError) {
                  var promise = promises[id];
                  delete promises[id];
                  if (isError) {
                      promise.failure(xhr);
                  } else {
                      promise.success(xhr);
                  }
              }
          }));
          qq.extend(this, {
              complete: function(id, xhr, params, headers) {
                  var promise = new qq.Promise();
                  options.log("Submitting All Chunks Done request for " + id);
                  promises[id] = promise;
                  requester.initTransport(id).withParams(options.params(id) || params).withHeaders(options.headers(id) || headers).send(xhr);
                  return promise;
              }
          });
      };
      qq.DragAndDrop = function(o) {
          "use strict";
          var options, HIDE_ZONES_EVENT_NAME = "qq-hidezones", HIDE_BEFORE_ENTER_ATTR = "qq-hide-dropzone", uploadDropZones = [], droppedFiles = [], disposeSupport = new qq.DisposeSupport();
          options = {
              dropZoneElements: [],
              allowMultipleItems: true,
              classes: {
                  dropActive: null
              },
              callbacks: new qq.DragAndDrop.callbacks()
          };
          qq.extend(options, o, true);
          function uploadDroppedFiles(files, uploadDropZone) {
              var filesAsArray = Array.prototype.slice.call(files);
              options.callbacks.dropLog("Grabbed " + files.length + " dropped files.");
              uploadDropZone.dropDisabled(false);
              options.callbacks.processingDroppedFilesComplete(filesAsArray, uploadDropZone.getElement());
          }
          function traverseFileTree(entry) {
              var parseEntryPromise = new qq.Promise();
              if (entry.isFile) {
                  entry.file(function(file) {
                      file.qqPath = extractDirectoryPath(entry);
                      droppedFiles.push(file);
                      parseEntryPromise.success();
                  }, function(fileError) {
                      options.callbacks.dropLog("Problem parsing '" + entry.fullPath + "'.  FileError code " + fileError.code + ".", "error");
                      parseEntryPromise.failure();
                  });
              } else if (entry.isDirectory) {
                  getFilesInDirectory(entry).then(function allEntriesRead(entries) {
                      var entriesLeft = entries.length;
                      qq.each(entries, function(idx, entry) {
                          traverseFileTree(entry).done(function() {
                              entriesLeft -= 1;
                              if (entriesLeft === 0) {
                                  parseEntryPromise.success();
                              }
                          });
                      });
                      if (!entries.length) {
                          parseEntryPromise.success();
                      }
                  }, function readFailure(fileError) {
                      options.callbacks.dropLog("Problem parsing '" + entry.fullPath + "'.  FileError code " + fileError.code + ".", "error");
                      parseEntryPromise.failure();
                  });
              }
              return parseEntryPromise;
          }
          function extractDirectoryPath(entry) {
              var name = entry.name, fullPath = entry.fullPath, indexOfNameInFullPath = fullPath.lastIndexOf(name);
              fullPath = fullPath.substr(0, indexOfNameInFullPath);
              if (fullPath.charAt(0) === "/") {
                  fullPath = fullPath.substr(1);
              }
              return fullPath;
          }
          function getFilesInDirectory(entry, reader, accumEntries, existingPromise) {
              var promise = existingPromise || new qq.Promise(), dirReader = reader || entry.createReader();
              dirReader.readEntries(function readSuccess(entries) {
                  var newEntries = accumEntries ? accumEntries.concat(entries) : entries;
                  if (entries.length) {
                      setTimeout(function() {
                          getFilesInDirectory(entry, dirReader, newEntries, promise);
                      }, 0);
                  } else {
                      promise.success(newEntries);
                  }
              }, promise.failure);
              return promise;
          }
          function handleDataTransfer(dataTransfer, uploadDropZone) {
              var pendingFolderPromises = [], handleDataTransferPromise = new qq.Promise();
              options.callbacks.processingDroppedFiles();
              uploadDropZone.dropDisabled(true);
              if (dataTransfer.files.length > 1 && !options.allowMultipleItems) {
                  options.callbacks.processingDroppedFilesComplete([]);
                  options.callbacks.dropError("tooManyFilesError", "");
                  uploadDropZone.dropDisabled(false);
                  handleDataTransferPromise.failure();
              } else {
                  droppedFiles = [];
                  if (qq.isFolderDropSupported(dataTransfer)) {
                      qq.each(dataTransfer.items, function(idx, item) {
                          var entry = item.webkitGetAsEntry();
                          if (entry) {
                              if (entry.isFile) {
                                  droppedFiles.push(item.getAsFile());
                              } else {
                                  pendingFolderPromises.push(traverseFileTree(entry).done(function() {
                                      pendingFolderPromises.pop();
                                      if (pendingFolderPromises.length === 0) {
                                          handleDataTransferPromise.success();
                                      }
                                  }));
                              }
                          }
                      });
                  } else {
                      droppedFiles = dataTransfer.files;
                  }
                  if (pendingFolderPromises.length === 0) {
                      handleDataTransferPromise.success();
                  }
              }
              return handleDataTransferPromise;
          }
          function setupDropzone(dropArea) {
              var dropZone = new qq.UploadDropZone({
                  HIDE_ZONES_EVENT_NAME: HIDE_ZONES_EVENT_NAME,
                  element: dropArea,
                  onEnter: function(e) {
                      qq(dropArea).addClass(options.classes.dropActive);
                      e.stopPropagation();
                  },
                  onLeaveNotDescendants: function(e) {
                      qq(dropArea).removeClass(options.classes.dropActive);
                  },
                  onDrop: function(e) {
                      handleDataTransfer(e.dataTransfer, dropZone).then(function() {
                          uploadDroppedFiles(droppedFiles, dropZone);
                      }, function() {
                          options.callbacks.dropLog("Drop event DataTransfer parsing failed.  No files will be uploaded.", "error");
                      });
                  }
              });
              disposeSupport.addDisposer(function() {
                  dropZone.dispose();
              });
              qq(dropArea).hasAttribute(HIDE_BEFORE_ENTER_ATTR) && qq(dropArea).hide();
              uploadDropZones.push(dropZone);
              return dropZone;
          }
          function isFileDrag(dragEvent) {
              var fileDrag;
              qq.each(dragEvent.dataTransfer.types, function(key, val) {
                  if (val === "Files") {
                      fileDrag = true;
                      return false;
                  }
              });
              return fileDrag;
          }
          function leavingDocumentOut(e) {
              if (qq.safari()) {
                  return e.x < 0 || e.y < 0;
              }
              return e.x === 0 && e.y === 0;
          }
          function setupDragDrop() {
              var dropZones = options.dropZoneElements, maybeHideDropZones = function() {
                  setTimeout(function() {
                      qq.each(dropZones, function(idx, dropZone) {
                          qq(dropZone).hasAttribute(HIDE_BEFORE_ENTER_ATTR) && qq(dropZone).hide();
                          qq(dropZone).removeClass(options.classes.dropActive);
                      });
                  }, 10);
              };
              qq.each(dropZones, function(idx, dropZone) {
                  var uploadDropZone = setupDropzone(dropZone);
                  if (dropZones.length && qq.supportedFeatures.fileDrop) {
                      disposeSupport.attach(document, "dragenter", function(e) {
                          if (!uploadDropZone.dropDisabled() && isFileDrag(e)) {
                              qq.each(dropZones, function(idx, dropZone) {
                                  if (dropZone instanceof HTMLElement && qq(dropZone).hasAttribute(HIDE_BEFORE_ENTER_ATTR)) {
                                      qq(dropZone).css({
                                          display: "block"
                                      });
                                  }
                              });
                          }
                      });
                  }
              });
              disposeSupport.attach(document, "dragleave", function(e) {
                  if (leavingDocumentOut(e)) {
                      maybeHideDropZones();
                  }
              });
              disposeSupport.attach(qq(document).children()[0], "mouseenter", function(e) {
                  maybeHideDropZones();
              });
              disposeSupport.attach(document, "drop", function(e) {
                  if (isFileDrag(e)) {
                      e.preventDefault();
                      maybeHideDropZones();
                  }
              });
              disposeSupport.attach(document, HIDE_ZONES_EVENT_NAME, maybeHideDropZones);
          }
          setupDragDrop();
          qq.extend(this, {
              setupExtraDropzone: function(element) {
                  options.dropZoneElements.push(element);
                  setupDropzone(element);
              },
              removeDropzone: function(element) {
                  var i, dzs = options.dropZoneElements;
                  for (i in dzs) {
                      if (dzs[i] === element) {
                          return dzs.splice(i, 1);
                      }
                  }
              },
              dispose: function() {
                  disposeSupport.dispose();
                  qq.each(uploadDropZones, function(idx, dropZone) {
                      dropZone.dispose();
                  });
              }
          });
          this._testing = {};
          this._testing.extractDirectoryPath = extractDirectoryPath;
      };
      qq.DragAndDrop.callbacks = function() {
          "use strict";
          return {
              processingDroppedFiles: function() {},
              processingDroppedFilesComplete: function(files, targetEl) {},
              dropError: function(code, errorSpecifics) {
                  qq.log("Drag & drop error code '" + code + " with these specifics: '" + errorSpecifics + "'", "error");
              },
              dropLog: function(message, level) {
                  qq.log(message, level);
              }
          };
      };
      qq.UploadDropZone = function(o) {
          "use strict";
          var disposeSupport = new qq.DisposeSupport(), options, element, preventDrop, dropOutsideDisabled;
          options = {
              element: null,
              onEnter: function(e) {},
              onLeave: function(e) {},
              onLeaveNotDescendants: function(e) {},
              onDrop: function(e) {}
          };
          qq.extend(options, o);
          element = options.element;
          function dragoverShouldBeCanceled() {
              return qq.safari() || qq.firefox() && qq.windows();
          }
          function disableDropOutside(e) {
              if (!dropOutsideDisabled) {
                  if (dragoverShouldBeCanceled) {
                      disposeSupport.attach(document, "dragover", function(e) {
                          e.preventDefault();
                      });
                  } else {
                      disposeSupport.attach(document, "dragover", function(e) {
                          if (e.dataTransfer) {
                              e.dataTransfer.dropEffect = "none";
                              e.preventDefault();
                          }
                      });
                  }
                  dropOutsideDisabled = true;
              }
          }
          function isValidFileDrag(e) {
              if (!qq.supportedFeatures.fileDrop) {
                  return false;
              }
              var effectTest, dt = e.dataTransfer, isSafari = qq.safari();
              effectTest = qq.ie() && qq.supportedFeatures.fileDrop ? true : dt.effectAllowed !== "none";
              return dt && effectTest && (dt.files && dt.files.length || !isSafari && dt.types.contains && dt.types.contains("Files") || dt.types.includes && dt.types.includes("Files"));
          }
          function isOrSetDropDisabled(isDisabled) {
              if (isDisabled !== undefined) {
                  preventDrop = isDisabled;
              }
              return preventDrop;
          }
          function triggerHidezonesEvent() {
              var hideZonesEvent;
              function triggerUsingOldApi() {
                  hideZonesEvent = document.createEvent("Event");
                  hideZonesEvent.initEvent(options.HIDE_ZONES_EVENT_NAME, true, true);
              }
              if (window.CustomEvent) {
                  try {
                      hideZonesEvent = new CustomEvent(options.HIDE_ZONES_EVENT_NAME);
                  } catch (err) {
                      triggerUsingOldApi();
                  }
              } else {
                  triggerUsingOldApi();
              }
              document.dispatchEvent(hideZonesEvent);
          }
          function attachEvents() {
              disposeSupport.attach(element, "dragover", function(e) {
                  if (!isValidFileDrag(e)) {
                      return;
                  }
                  var effect = qq.ie() && qq.supportedFeatures.fileDrop ? null : e.dataTransfer.effectAllowed;
                  if (effect === "move" || effect === "linkMove") {
                      e.dataTransfer.dropEffect = "move";
                  } else {
                      e.dataTransfer.dropEffect = "copy";
                  }
                  e.stopPropagation();
                  e.preventDefault();
              });
              disposeSupport.attach(element, "dragenter", function(e) {
                  if (!isOrSetDropDisabled()) {
                      if (!isValidFileDrag(e)) {
                          return;
                      }
                      options.onEnter(e);
                  }
              });
              disposeSupport.attach(element, "dragleave", function(e) {
                  if (!isValidFileDrag(e)) {
                      return;
                  }
                  options.onLeave(e);
                  var relatedTarget = document.elementFromPoint(e.clientX, e.clientY);
                  if (qq(this).contains(relatedTarget)) {
                      return;
                  }
                  options.onLeaveNotDescendants(e);
              });
              disposeSupport.attach(element, "drop", function(e) {
                  if (!isOrSetDropDisabled()) {
                      if (!isValidFileDrag(e)) {
                          return;
                      }
                      e.preventDefault();
                      e.stopPropagation();
                      options.onDrop(e);
                      triggerHidezonesEvent();
                  }
              });
          }
          disableDropOutside();
          attachEvents();
          qq.extend(this, {
              dropDisabled: function(isDisabled) {
                  return isOrSetDropDisabled(isDisabled);
              },
              dispose: function() {
                  disposeSupport.dispose();
              },
              getElement: function() {
                  return element;
              }
          });
          this._testing = {};
          this._testing.isValidFileDrag = isValidFileDrag;
      };
      (function() {
          "use strict";
          qq.uiPublicApi = {
              addInitialFiles: function(cannedFileList) {
                  this._parent.prototype.addInitialFiles.apply(this, arguments);
                  this._templating.addCacheToDom();
              },
              clearStoredFiles: function() {
                  this._parent.prototype.clearStoredFiles.apply(this, arguments);
                  this._templating.clearFiles();
              },
              addExtraDropzone: function(element) {
                  this._dnd && this._dnd.setupExtraDropzone(element);
              },
              removeExtraDropzone: function(element) {
                  if (this._dnd) {
                      return this._dnd.removeDropzone(element);
                  }
              },
              getItemByFileId: function(id) {
                  if (!this._templating.isHiddenForever(id)) {
                      return this._templating.getFileContainer(id);
                  }
              },
              reset: function() {
                  this._parent.prototype.reset.apply(this, arguments);
                  this._templating.reset();
                  if (!this._options.button && this._templating.getButton()) {
                      this._defaultButtonId = this._createUploadButton({
                          element: this._templating.getButton(),
                          title: this._options.text.fileInputTitle
                      }).getButtonId();
                  }
                  if (this._dnd) {
                      this._dnd.dispose();
                      this._dnd = this._setupDragAndDrop();
                  }
                  this._totalFilesInBatch = 0;
                  this._filesInBatchAddedToUi = 0;
                  this._setupClickAndEditEventHandlers();
              },
              setName: function(id, newName) {
                  var formattedFilename = this._options.formatFileName(newName);
                  this._parent.prototype.setName.apply(this, arguments);
                  this._templating.updateFilename(id, formattedFilename);
              },
              pauseUpload: function(id) {
                  var paused = this._parent.prototype.pauseUpload.apply(this, arguments);
                  paused && this._templating.uploadPaused(id);
                  return paused;
              },
              continueUpload: function(id) {
                  var continued = this._parent.prototype.continueUpload.apply(this, arguments);
                  continued && this._templating.uploadContinued(id);
                  return continued;
              },
              getId: function(fileContainerOrChildEl) {
                  return this._templating.getFileId(fileContainerOrChildEl);
              },
              getDropTarget: function(fileId) {
                  var file = this.getFile(fileId);
                  return file.qqDropTarget;
              }
          };
          qq.uiPrivateApi = {
              _getButton: function(buttonId) {
                  var button = this._parent.prototype._getButton.apply(this, arguments);
                  if (!button) {
                      if (buttonId === this._defaultButtonId) {
                          button = this._templating.getButton();
                      }
                  }
                  return button;
              },
              _removeFileItem: function(fileId) {
                  this._templating.removeFile(fileId);
              },
              _setupClickAndEditEventHandlers: function() {
                  this._fileButtonsClickHandler = qq.FileButtonsClickHandler && this._bindFileButtonsClickEvent();
                  this._focusinEventSupported = !qq.firefox();
                  if (this._isEditFilenameEnabled()) {
                      this._filenameClickHandler = this._bindFilenameClickEvent();
                      this._filenameInputFocusInHandler = this._bindFilenameInputFocusInEvent();
                      this._filenameInputFocusHandler = this._bindFilenameInputFocusEvent();
                  }
              },
              _setupDragAndDrop: function() {
                  var self = this, dropZoneElements = this._options.dragAndDrop.extraDropzones, templating = this._templating, defaultDropZone = templating.getDropZone();
                  defaultDropZone && dropZoneElements.push(defaultDropZone);
                  return new qq.DragAndDrop({
                      dropZoneElements: dropZoneElements,
                      allowMultipleItems: this._options.multiple,
                      classes: {
                          dropActive: this._options.classes.dropActive
                      },
                      callbacks: {
                          processingDroppedFiles: function() {
                              templating.showDropProcessing();
                          },
                          processingDroppedFilesComplete: function(files, targetEl) {
                              templating.hideDropProcessing();
                              qq.each(files, function(idx, file) {
                                  file.qqDropTarget = targetEl;
                              });
                              if (files.length) {
                                  self.addFiles(files, null, null);
                              }
                          },
                          dropError: function(code, errorData) {
                              self._itemError(code, errorData);
                          },
                          dropLog: function(message, level) {
                              self.log(message, level);
                          }
                      }
                  });
              },
              _bindFileButtonsClickEvent: function() {
                  var self = this;
                  return new qq.FileButtonsClickHandler({
                      templating: this._templating,
                      log: function(message, lvl) {
                          self.log(message, lvl);
                      },
                      onDeleteFile: function(fileId) {
                          self.deleteFile(fileId);
                      },
                      onCancel: function(fileId) {
                          self.cancel(fileId);
                      },
                      onRetry: function(fileId) {
                          self.retry(fileId);
                      },
                      onPause: function(fileId) {
                          self.pauseUpload(fileId);
                      },
                      onContinue: function(fileId) {
                          self.continueUpload(fileId);
                      },
                      onGetName: function(fileId) {
                          return self.getName(fileId);
                      }
                  });
              },
              _isEditFilenameEnabled: function() {
                  return this._templating.isEditFilenamePossible() && !this._options.autoUpload && qq.FilenameClickHandler && qq.FilenameInputFocusHandler && qq.FilenameInputFocusHandler;
              },
              _filenameEditHandler: function() {
                  var self = this, templating = this._templating;
                  return {
                      templating: templating,
                      log: function(message, lvl) {
                          self.log(message, lvl);
                      },
                      onGetUploadStatus: function(fileId) {
                          return self.getUploads({
                              id: fileId
                          }).status;
                      },
                      onGetName: function(fileId) {
                          return self.getName(fileId);
                      },
                      onSetName: function(id, newName) {
                          self.setName(id, newName);
                      },
                      onEditingStatusChange: function(id, isEditing) {
                          var qqInput = qq(templating.getEditInput(id)), qqFileContainer = qq(templating.getFileContainer(id));
                          if (isEditing) {
                              qqInput.addClass("qq-editing");
                              templating.hideFilename(id);
                              templating.hideEditIcon(id);
                          } else {
                              qqInput.removeClass("qq-editing");
                              templating.showFilename(id);
                              templating.showEditIcon(id);
                          }
                          qqFileContainer.addClass("qq-temp").removeClass("qq-temp");
                      }
                  };
              },
              _onUploadStatusChange: function(id, oldStatus, newStatus) {
                  this._parent.prototype._onUploadStatusChange.apply(this, arguments);
                  if (this._isEditFilenameEnabled()) {
                      if (this._templating.getFileContainer(id) && newStatus !== qq.status.SUBMITTED) {
                          this._templating.markFilenameEditable(id);
                          this._templating.hideEditIcon(id);
                      }
                  }
                  if (oldStatus === qq.status.UPLOAD_RETRYING && newStatus === qq.status.UPLOADING) {
                      this._templating.hideRetry(id);
                      this._templating.setStatusText(id);
                      qq(this._templating.getFileContainer(id)).removeClass(this._classes.retrying);
                  } else if (newStatus === qq.status.UPLOAD_FAILED) {
                      this._templating.hidePause(id);
                  }
              },
              _bindFilenameInputFocusInEvent: function() {
                  var spec = qq.extend({}, this._filenameEditHandler());
                  return new qq.FilenameInputFocusInHandler(spec);
              },
              _bindFilenameInputFocusEvent: function() {
                  var spec = qq.extend({}, this._filenameEditHandler());
                  return new qq.FilenameInputFocusHandler(spec);
              },
              _bindFilenameClickEvent: function() {
                  var spec = qq.extend({}, this._filenameEditHandler());
                  return new qq.FilenameClickHandler(spec);
              },
              _storeForLater: function(id) {
                  this._parent.prototype._storeForLater.apply(this, arguments);
                  this._templating.hideSpinner(id);
              },
              _onAllComplete: function(successful, failed) {
                  this._parent.prototype._onAllComplete.apply(this, arguments);
                  this._templating.resetTotalProgress();
              },
              _onSubmit: function(id, name) {
                  var file = this.getFile(id);
                  if (file && file.qqPath && this._options.dragAndDrop.reportDirectoryPaths) {
                      this._paramsStore.addReadOnly(id, {
                          qqpath: file.qqPath
                      });
                  }
                  this._parent.prototype._onSubmit.apply(this, arguments);
                  this._addToList(id, name);
              },
              _onSubmitted: function(id) {
                  if (this._isEditFilenameEnabled()) {
                      this._templating.markFilenameEditable(id);
                      this._templating.showEditIcon(id);
                      if (!this._focusinEventSupported) {
                          this._filenameInputFocusHandler.addHandler(this._templating.getEditInput(id));
                      }
                  }
              },
              _onProgress: function(id, name, loaded, total) {
                  this._parent.prototype._onProgress.apply(this, arguments);
                  this._templating.updateProgress(id, loaded, total);
                  if (total === 0 || Math.round(loaded / total * 100) === 100) {
                      this._templating.hideCancel(id);
                      this._templating.hidePause(id);
                      this._templating.hideProgress(id);
                      this._templating.setStatusText(id, this._options.text.waitingForResponse);
                      this._displayFileSize(id);
                  } else {
                      this._displayFileSize(id, loaded, total);
                  }
              },
              _onTotalProgress: function(loaded, total) {
                  this._parent.prototype._onTotalProgress.apply(this, arguments);
                  this._templating.updateTotalProgress(loaded, total);
              },
              _onComplete: function(id, name, result, xhr) {
                  var parentRetVal = this._parent.prototype._onComplete.apply(this, arguments), templating = this._templating, fileContainer = templating.getFileContainer(id), self = this;
                  function completeUpload(result) {
                      if (!fileContainer) {
                          return;
                      }
                      templating.setStatusText(id);
                      qq(fileContainer).removeClass(self._classes.retrying);
                      templating.hideProgress(id);
                      if (self.getUploads({
                          id: id
                      }).status !== qq.status.UPLOAD_FAILED) {
                          templating.hideCancel(id);
                      }
                      templating.hideSpinner(id);
                      if (result.success) {
                          self._markFileAsSuccessful(id);
                      } else {
                          qq(fileContainer).addClass(self._classes.fail);
                          templating.showCancel(id);
                          if (templating.isRetryPossible() && !self._preventRetries[id]) {
                              qq(fileContainer).addClass(self._classes.retryable);
                              templating.showRetry(id);
                          }
                          self._controlFailureTextDisplay(id, result);
                      }
                  }
                  if (parentRetVal instanceof qq.Promise) {
                      parentRetVal.done(function(newResult) {
                          completeUpload(newResult);
                      });
                  } else {
                      completeUpload(result);
                  }
                  return parentRetVal;
              },
              _markFileAsSuccessful: function(id) {
                  var templating = this._templating;
                  if (this._isDeletePossible()) {
                      templating.showDeleteButton(id);
                  }
                  qq(templating.getFileContainer(id)).addClass(this._classes.success);
                  this._maybeUpdateThumbnail(id);
              },
              _onUploadPrep: function(id) {
                  this._parent.prototype._onUploadPrep.apply(this, arguments);
                  this._templating.showSpinner(id);
              },
              _onUpload: function(id, name) {
                  var parentRetVal = this._parent.prototype._onUpload.apply(this, arguments);
                  this._templating.showSpinner(id);
                  return parentRetVal;
              },
              _onUploadChunk: function(id, chunkData) {
                  this._parent.prototype._onUploadChunk.apply(this, arguments);
                  if (chunkData.partIndex > 0 && this._handler.isResumable(id)) {
                      this._templating.allowPause(id);
                  }
              },
              _onCancel: function(id, name) {
                  this._parent.prototype._onCancel.apply(this, arguments);
                  this._removeFileItem(id);
                  if (this._getNotFinished() === 0) {
                      this._templating.resetTotalProgress();
                  }
              },
              _onBeforeAutoRetry: function(id) {
                  var retryNumForDisplay, maxAuto, retryNote;
                  this._parent.prototype._onBeforeAutoRetry.apply(this, arguments);
                  this._showCancelLink(id);
                  if (this._options.retry.showAutoRetryNote) {
                      retryNumForDisplay = this._autoRetries[id];
                      maxAuto = this._options.retry.maxAutoAttempts;
                      retryNote = this._options.retry.autoRetryNote.replace(/\{retryNum\}/g, retryNumForDisplay);
                      retryNote = retryNote.replace(/\{maxAuto\}/g, maxAuto);
                      this._templating.setStatusText(id, retryNote);
                      qq(this._templating.getFileContainer(id)).addClass(this._classes.retrying);
                  }
              },
              _onBeforeManualRetry: function(id) {
                  if (this._parent.prototype._onBeforeManualRetry.apply(this, arguments)) {
                      this._templating.resetProgress(id);
                      qq(this._templating.getFileContainer(id)).removeClass(this._classes.fail);
                      this._templating.setStatusText(id);
                      this._templating.showSpinner(id);
                      this._showCancelLink(id);
                      return true;
                  } else {
                      qq(this._templating.getFileContainer(id)).addClass(this._classes.retryable);
                      this._templating.showRetry(id);
                      return false;
                  }
              },
              _onSubmitDelete: function(id) {
                  var onSuccessCallback = qq.bind(this._onSubmitDeleteSuccess, this);
                  this._parent.prototype._onSubmitDelete.call(this, id, onSuccessCallback);
              },
              _onSubmitDeleteSuccess: function(id, uuid, additionalMandatedParams) {
                  if (this._options.deleteFile.forceConfirm) {
                      this._showDeleteConfirm.apply(this, arguments);
                  } else {
                      this._sendDeleteRequest.apply(this, arguments);
                  }
              },
              _onDeleteComplete: function(id, xhr, isError) {
                  this._parent.prototype._onDeleteComplete.apply(this, arguments);
                  this._templating.hideSpinner(id);
                  if (isError) {
                      this._templating.setStatusText(id, this._options.deleteFile.deletingFailedText);
                      this._templating.showDeleteButton(id);
                  } else {
                      this._removeFileItem(id);
                  }
              },
              _sendDeleteRequest: function(id, uuid, additionalMandatedParams) {
                  this._templating.hideDeleteButton(id);
                  this._templating.showSpinner(id);
                  this._templating.setStatusText(id, this._options.deleteFile.deletingStatusText);
                  this._deleteHandler.sendDelete.apply(this, arguments);
              },
              _showDeleteConfirm: function(id, uuid, mandatedParams) {
                  var fileName = this.getName(id), confirmMessage = this._options.deleteFile.confirmMessage.replace(/\{filename\}/g, fileName), uuid = this.getUuid(id), deleteRequestArgs = arguments, self = this, retVal;
                  retVal = this._options.showConfirm(confirmMessage);
                  if (qq.isGenericPromise(retVal)) {
                      retVal.then(function() {
                          self._sendDeleteRequest.apply(self, deleteRequestArgs);
                      });
                  } else if (retVal !== false) {
                      self._sendDeleteRequest.apply(self, deleteRequestArgs);
                  }
              },
              _addToList: function(id, name, canned) {
                  var prependData, prependIndex = 0, dontDisplay = this._handler.isProxied(id) && this._options.scaling.hideScaled, record;
                  if (this._options.display.prependFiles) {
                      if (this._totalFilesInBatch > 1 && this._filesInBatchAddedToUi > 0) {
                          prependIndex = this._filesInBatchAddedToUi - 1;
                      }
                      prependData = {
                          index: prependIndex
                      };
                  }
                  if (!canned) {
                      if (this._options.disableCancelForFormUploads && !qq.supportedFeatures.ajaxUploading) {
                          this._templating.disableCancel();
                      }
                      if (!this._options.multiple) {
                          record = this.getUploads({
                              id: id
                          });
                          this._handledProxyGroup = this._handledProxyGroup || record.proxyGroupId;
                          if (record.proxyGroupId !== this._handledProxyGroup || !record.proxyGroupId) {
                              this._handler.cancelAll();
                              this._clearList();
                              this._handledProxyGroup = null;
                          }
                      }
                  }
                  if (canned) {
                      this._templating.addFileToCache(id, this._options.formatFileName(name), prependData, dontDisplay);
                      this._templating.updateThumbnail(id, this._thumbnailUrls[id], true, this._options.thumbnails.customResizer);
                  } else {
                      this._templating.addFile(id, this._options.formatFileName(name), prependData, dontDisplay);
                      this._templating.generatePreview(id, this.getFile(id), this._options.thumbnails.customResizer);
                  }
                  this._filesInBatchAddedToUi += 1;
                  if (canned || this._options.display.fileSizeOnSubmit && qq.supportedFeatures.ajaxUploading) {
                      this._displayFileSize(id);
                  }
              },
              _clearList: function() {
                  this._templating.clearFiles();
                  this.clearStoredFiles();
              },
              _displayFileSize: function(id, loadedSize, totalSize) {
                  var size = this.getSize(id), sizeForDisplay = this._formatSize(size);
                  if (size >= 0) {
                      if (loadedSize !== undefined && totalSize !== undefined) {
                          sizeForDisplay = this._formatProgress(loadedSize, totalSize);
                      }
                      this._templating.updateSize(id, sizeForDisplay);
                  }
              },
              _formatProgress: function(uploadedSize, totalSize) {
                  var message = this._options.text.formatProgress;
                  function r(name, replacement) {
                      message = message.replace(name, replacement);
                  }
                  r("{percent}", Math.round(uploadedSize / totalSize * 100));
                  r("{total_size}", this._formatSize(totalSize));
                  return message;
              },
              _controlFailureTextDisplay: function(id, response) {
                  var mode, responseProperty, failureReason;
                  mode = this._options.failedUploadTextDisplay.mode;
                  responseProperty = this._options.failedUploadTextDisplay.responseProperty;
                  if (mode === "custom") {
                      failureReason = response[responseProperty];
                      if (!failureReason) {
                          failureReason = this._options.text.failUpload;
                      }
                      this._templating.setStatusText(id, failureReason);
                      if (this._options.failedUploadTextDisplay.enableTooltip) {
                          this._showTooltip(id, failureReason);
                      }
                  } else if (mode === "default") {
                      this._templating.setStatusText(id, this._options.text.failUpload);
                  } else if (mode !== "none") {
                      this.log("failedUploadTextDisplay.mode value of '" + mode + "' is not valid", "warn");
                  }
              },
              _showTooltip: function(id, text) {
                  this._templating.getFileContainer(id).title = text;
              },
              _showCancelLink: function(id) {
                  if (!this._options.disableCancelForFormUploads || qq.supportedFeatures.ajaxUploading) {
                      this._templating.showCancel(id);
                  }
              },
              _itemError: function(code, name, item) {
                  var message = this._parent.prototype._itemError.apply(this, arguments);
                  this._options.showMessage(message);
              },
              _batchError: function(message) {
                  this._parent.prototype._batchError.apply(this, arguments);
                  this._options.showMessage(message);
              },
              _setupPastePrompt: function() {
                  var self = this;
                  this._options.callbacks.onPasteReceived = function() {
                      var message = self._options.paste.namePromptMessage, defaultVal = self._options.paste.defaultName;
                      return self._options.showPrompt(message, defaultVal);
                  };
              },
              _fileOrBlobRejected: function(id, name) {
                  this._totalFilesInBatch -= 1;
                  this._parent.prototype._fileOrBlobRejected.apply(this, arguments);
              },
              _prepareItemsForUpload: function(items, params, endpoint) {
                  this._totalFilesInBatch = items.length;
                  this._filesInBatchAddedToUi = 0;
                  this._parent.prototype._prepareItemsForUpload.apply(this, arguments);
              },
              _maybeUpdateThumbnail: function(fileId) {
                  var thumbnailUrl = this._thumbnailUrls[fileId], fileStatus = this.getUploads({
                      id: fileId
                  }).status;
                  if (fileStatus !== qq.status.DELETED && (thumbnailUrl || this._options.thumbnails.placeholders.waitUntilResponse || !qq.supportedFeatures.imagePreviews)) {
                      this._templating.updateThumbnail(fileId, thumbnailUrl, this._options.thumbnails.customResizer);
                  }
              },
              _addCannedFile: function(sessionData) {
                  var id = this._parent.prototype._addCannedFile.apply(this, arguments);
                  this._addToList(id, this.getName(id), true);
                  this._templating.hideSpinner(id);
                  this._templating.hideCancel(id);
                  this._markFileAsSuccessful(id);
                  return id;
              },
              _setSize: function(id, newSize) {
                  this._parent.prototype._setSize.apply(this, arguments);
                  this._templating.updateSize(id, this._formatSize(newSize));
              },
              _sessionRequestComplete: function() {
                  this._templating.addCacheToDom();
                  this._parent.prototype._sessionRequestComplete.apply(this, arguments);
              }
          };
      })();
      qq.FineUploader = function(o, namespace) {
          "use strict";
          var self = this;
          this._parent = namespace ? qq[namespace].FineUploaderBasic : qq.FineUploaderBasic;
          this._parent.apply(this, arguments);
          qq.extend(this._options, {
              element: null,
              button: null,
              listElement: null,
              dragAndDrop: {
                  extraDropzones: [],
                  reportDirectoryPaths: false
              },
              text: {
                  formatProgress: "{percent}% of {total_size}",
                  failUpload: "Upload failed",
                  waitingForResponse: "Processing...",
                  paused: "Paused"
              },
              template: "qq-template",
              classes: {
                  retrying: "qq-upload-retrying",
                  retryable: "qq-upload-retryable",
                  success: "qq-upload-success",
                  fail: "qq-upload-fail",
                  editable: "qq-editable",
                  hide: "qq-hide",
                  dropActive: "qq-upload-drop-area-active"
              },
              failedUploadTextDisplay: {
                  mode: "default",
                  responseProperty: "error",
                  enableTooltip: true
              },
              messages: {
                  tooManyFilesError: "You may only drop one file",
                  unsupportedBrowser: "Unrecoverable error - this browser does not permit file uploading of any kind."
              },
              retry: {
                  showAutoRetryNote: true,
                  autoRetryNote: "Retrying {retryNum}/{maxAuto}..."
              },
              deleteFile: {
                  forceConfirm: false,
                  confirmMessage: "Are you sure you want to delete {filename}?",
                  deletingStatusText: "Deleting...",
                  deletingFailedText: "Delete failed"
              },
              display: {
                  fileSizeOnSubmit: false,
                  prependFiles: false
              },
              paste: {
                  promptForName: false,
                  namePromptMessage: "Please name this image"
              },
              thumbnails: {
                  customResizer: null,
                  maxCount: 0,
                  placeholders: {
                      waitUntilResponse: false,
                      notAvailablePath: null,
                      waitingPath: null
                  },
                  timeBetweenThumbs: 750
              },
              scaling: {
                  hideScaled: false
              },
              showMessage: function(message) {
                  if (self._templating.hasDialog("alert")) {
                      return self._templating.showDialog("alert", message);
                  } else {
                      setTimeout(function() {
                          window.alert(message);
                      }, 0);
                  }
              },
              showConfirm: function(message) {
                  if (self._templating.hasDialog("confirm")) {
                      return self._templating.showDialog("confirm", message);
                  } else {
                      return window.confirm(message);
                  }
              },
              showPrompt: function(message, defaultValue) {
                  if (self._templating.hasDialog("prompt")) {
                      return self._templating.showDialog("prompt", message, defaultValue);
                  } else {
                      return window.prompt(message, defaultValue);
                  }
              }
          }, true);
          qq.extend(this._options, o, true);
          this._templating = new qq.Templating({
              log: qq.bind(this.log, this),
              templateIdOrEl: this._options.template,
              containerEl: this._options.element,
              fileContainerEl: this._options.listElement,
              button: this._options.button,
              imageGenerator: this._imageGenerator,
              classes: {
                  hide: this._options.classes.hide,
                  editable: this._options.classes.editable
              },
              limits: {
                  maxThumbs: this._options.thumbnails.maxCount,
                  timeBetweenThumbs: this._options.thumbnails.timeBetweenThumbs
              },
              placeholders: {
                  waitUntilUpdate: this._options.thumbnails.placeholders.waitUntilResponse,
                  thumbnailNotAvailable: this._options.thumbnails.placeholders.notAvailablePath,
                  waitingForThumbnail: this._options.thumbnails.placeholders.waitingPath
              },
              text: this._options.text
          });
          if (this._options.workarounds.ios8SafariUploads && qq.ios800() && qq.iosSafari()) {
              this._templating.renderFailure(this._options.messages.unsupportedBrowserIos8Safari);
          } else if (!qq.supportedFeatures.uploading || this._options.cors.expected && !qq.supportedFeatures.uploadCors) {
              this._templating.renderFailure(this._options.messages.unsupportedBrowser);
          } else {
              this._wrapCallbacks();
              this._templating.render();
              this._classes = this._options.classes;
              if (!this._options.button && this._templating.getButton()) {
                  this._defaultButtonId = this._createUploadButton({
                      element: this._templating.getButton(),
                      title: this._options.text.fileInputTitle
                  }).getButtonId();
              }
              this._setupClickAndEditEventHandlers();
              if (qq.DragAndDrop && qq.supportedFeatures.fileDrop) {
                  this._dnd = this._setupDragAndDrop();
              }
              if (this._options.paste.targetElement && this._options.paste.promptForName) {
                  if (qq.PasteSupport) {
                      this._setupPastePrompt();
                  } else {
                      this.log("Paste support module not found.", "error");
                  }
              }
              this._totalFilesInBatch = 0;
              this._filesInBatchAddedToUi = 0;
          }
      };
      qq.extend(qq.FineUploader.prototype, qq.basePublicApi);
      qq.extend(qq.FineUploader.prototype, qq.basePrivateApi);
      qq.extend(qq.FineUploader.prototype, qq.uiPublicApi);
      qq.extend(qq.FineUploader.prototype, qq.uiPrivateApi);
      qq.Templating = function(spec) {
          "use strict";
          var FILE_ID_ATTR = "qq-file-id", FILE_CLASS_PREFIX = "qq-file-id-", THUMBNAIL_MAX_SIZE_ATTR = "qq-max-size", THUMBNAIL_SERVER_SCALE_ATTR = "qq-server-scale", HIDE_DROPZONE_ATTR = "qq-hide-dropzone", DROPZPONE_TEXT_ATTR = "qq-drop-area-text", IN_PROGRESS_CLASS = "qq-in-progress", HIDDEN_FOREVER_CLASS = "qq-hidden-forever", fileBatch = {
              content: document.createDocumentFragment(),
              map: {}
          }, isCancelDisabled = false, generatedThumbnails = 0, thumbnailQueueMonitorRunning = false, thumbGenerationQueue = [], thumbnailMaxSize = -1, options = {
              log: null,
              limits: {
                  maxThumbs: 0,
                  timeBetweenThumbs: 750
              },
              templateIdOrEl: "qq-template",
              containerEl: null,
              fileContainerEl: null,
              button: null,
              imageGenerator: null,
              classes: {
                  hide: "qq-hide",
                  editable: "qq-editable"
              },
              placeholders: {
                  waitUntilUpdate: false,
                  thumbnailNotAvailable: null,
                  waitingForThumbnail: null
              },
              text: {
                  paused: "Paused"
              }
          }, selectorClasses = {
              button: "qq-upload-button-selector",
              alertDialog: "qq-alert-dialog-selector",
              dialogCancelButton: "qq-cancel-button-selector",
              confirmDialog: "qq-confirm-dialog-selector",
              dialogMessage: "qq-dialog-message-selector",
              dialogOkButton: "qq-ok-button-selector",
              promptDialog: "qq-prompt-dialog-selector",
              uploader: "qq-uploader-selector",
              drop: "qq-upload-drop-area-selector",
              list: "qq-upload-list-selector",
              progressBarContainer: "qq-progress-bar-container-selector",
              progressBar: "qq-progress-bar-selector",
              totalProgressBarContainer: "qq-total-progress-bar-container-selector",
              totalProgressBar: "qq-total-progress-bar-selector",
              file: "qq-upload-file-selector",
              spinner: "qq-upload-spinner-selector",
              size: "qq-upload-size-selector",
              cancel: "qq-upload-cancel-selector",
              pause: "qq-upload-pause-selector",
              continueButton: "qq-upload-continue-selector",
              deleteButton: "qq-upload-delete-selector",
              retry: "qq-upload-retry-selector",
              statusText: "qq-upload-status-text-selector",
              editFilenameInput: "qq-edit-filename-selector",
              editNameIcon: "qq-edit-filename-icon-selector",
              dropText: "qq-upload-drop-area-text-selector",
              dropProcessing: "qq-drop-processing-selector",
              dropProcessingSpinner: "qq-drop-processing-spinner-selector",
              thumbnail: "qq-thumbnail-selector"
          }, previewGeneration = {}, cachedThumbnailNotAvailableImg = new qq.Promise(), cachedWaitingForThumbnailImg = new qq.Promise(), log, isEditElementsExist, isRetryElementExist, templateDom, container, fileList, showThumbnails, serverScale, cacheThumbnailPlaceholders = function() {
              var notAvailableUrl = options.placeholders.thumbnailNotAvailable, waitingUrl = options.placeholders.waitingForThumbnail, spec = {
                  maxSize: thumbnailMaxSize,
                  scale: serverScale
              };
              if (showThumbnails) {
                  if (notAvailableUrl) {
                      options.imageGenerator.generate(notAvailableUrl, new Image(), spec).then(function(updatedImg) {
                          cachedThumbnailNotAvailableImg.success(updatedImg);
                      }, function() {
                          cachedThumbnailNotAvailableImg.failure();
                          log("Problem loading 'not available' placeholder image at " + notAvailableUrl, "error");
                      });
                  } else {
                      cachedThumbnailNotAvailableImg.failure();
                  }
                  if (waitingUrl) {
                      options.imageGenerator.generate(waitingUrl, new Image(), spec).then(function(updatedImg) {
                          cachedWaitingForThumbnailImg.success(updatedImg);
                      }, function() {
                          cachedWaitingForThumbnailImg.failure();
                          log("Problem loading 'waiting for thumbnail' placeholder image at " + waitingUrl, "error");
                      });
                  } else {
                      cachedWaitingForThumbnailImg.failure();
                  }
              }
          }, displayWaitingImg = function(thumbnail) {
              var waitingImgPlacement = new qq.Promise();
              cachedWaitingForThumbnailImg.then(function(img) {
                  maybeScalePlaceholderViaCss(img, thumbnail);
                  if (!thumbnail.src) {
                      thumbnail.src = img.src;
                      thumbnail.onload = function() {
                          thumbnail.onload = null;
                          show(thumbnail);
                          waitingImgPlacement.success();
                      };
                  } else {
                      waitingImgPlacement.success();
                  }
              }, function() {
                  hide(thumbnail);
                  waitingImgPlacement.success();
              });
              return waitingImgPlacement;
          }, generateNewPreview = function(id, blob, spec) {
              var thumbnail = getThumbnail(id);
              log("Generating new thumbnail for " + id);
              blob.qqThumbnailId = id;
              return options.imageGenerator.generate(blob, thumbnail, spec).then(function() {
                  generatedThumbnails++;
                  show(thumbnail);
                  previewGeneration[id].success();
              }, function() {
                  previewGeneration[id].failure();
                  if (!options.placeholders.waitUntilUpdate) {
                      maybeSetDisplayNotAvailableImg(id, thumbnail);
                  }
              });
          }, generateNextQueuedPreview = function() {
              if (thumbGenerationQueue.length) {
                  thumbnailQueueMonitorRunning = true;
                  var queuedThumbRequest = thumbGenerationQueue.shift();
                  if (queuedThumbRequest.update) {
                      processUpdateQueuedPreviewRequest(queuedThumbRequest);
                  } else {
                      processNewQueuedPreviewRequest(queuedThumbRequest);
                  }
              } else {
                  thumbnailQueueMonitorRunning = false;
              }
          }, getCancel = function(id) {
              return getTemplateEl(getFile(id), selectorClasses.cancel);
          }, getContinue = function(id) {
              return getTemplateEl(getFile(id), selectorClasses.continueButton);
          }, getDialog = function(type) {
              return getTemplateEl(container, selectorClasses[type + "Dialog"]);
          }, getDelete = function(id) {
              return getTemplateEl(getFile(id), selectorClasses.deleteButton);
          }, getDropProcessing = function() {
              return getTemplateEl(container, selectorClasses.dropProcessing);
          }, getEditIcon = function(id) {
              return getTemplateEl(getFile(id), selectorClasses.editNameIcon);
          }, getFile = function(id) {
              return fileBatch.map[id] || qq(fileList).getFirstByClass(FILE_CLASS_PREFIX + id);
          }, getFilename = function(id) {
              return getTemplateEl(getFile(id), selectorClasses.file);
          }, getPause = function(id) {
              return getTemplateEl(getFile(id), selectorClasses.pause);
          }, getProgress = function(id) {
              if (id == null) {
                  return getTemplateEl(container, selectorClasses.totalProgressBarContainer) || getTemplateEl(container, selectorClasses.totalProgressBar);
              }
              return getTemplateEl(getFile(id), selectorClasses.progressBarContainer) || getTemplateEl(getFile(id), selectorClasses.progressBar);
          }, getRetry = function(id) {
              return getTemplateEl(getFile(id), selectorClasses.retry);
          }, getSize = function(id) {
              return getTemplateEl(getFile(id), selectorClasses.size);
          }, getSpinner = function(id) {
              return getTemplateEl(getFile(id), selectorClasses.spinner);
          }, getTemplateEl = function(context, cssClass) {
              return context && qq(context).getFirstByClass(cssClass);
          }, getThumbnail = function(id) {
              return showThumbnails && getTemplateEl(getFile(id), selectorClasses.thumbnail);
          }, hide = function(el) {
              el && qq(el).addClass(options.classes.hide);
          }, maybeScalePlaceholderViaCss = function(placeholder, thumbnail) {
              var maxWidth = placeholder.style.maxWidth, maxHeight = placeholder.style.maxHeight;
              if (maxHeight && maxWidth && !thumbnail.style.maxWidth && !thumbnail.style.maxHeight) {
                  qq(thumbnail).css({
                      maxWidth: maxWidth,
                      maxHeight: maxHeight
                  });
              }
          }, maybeSetDisplayNotAvailableImg = function(id, thumbnail) {
              var previewing = previewGeneration[id] || new qq.Promise().failure(), notAvailableImgPlacement = new qq.Promise();
              cachedThumbnailNotAvailableImg.then(function(img) {
                  previewing.then(function() {
                      notAvailableImgPlacement.success();
                  }, function() {
                      maybeScalePlaceholderViaCss(img, thumbnail);
                      thumbnail.onload = function() {
                          thumbnail.onload = null;
                          notAvailableImgPlacement.success();
                      };
                      thumbnail.src = img.src;
                      show(thumbnail);
                  });
              });
              return notAvailableImgPlacement;
          }, parseAndGetTemplate = function() {
              var scriptEl, scriptHtml, fileListNode, tempTemplateEl, fileListEl, defaultButton, dropArea, thumbnail, dropProcessing, dropTextEl, uploaderEl;
              log("Parsing template");
              if (options.templateIdOrEl == null) {
                  throw new Error("You MUST specify either a template element or ID!");
              }
              if (qq.isString(options.templateIdOrEl)) {
                  scriptEl = document.getElementById(options.templateIdOrEl);
                  if (scriptEl === null) {
                      throw new Error(qq.format("Cannot find template script at ID '{}'!", options.templateIdOrEl));
                  }
                  scriptHtml = scriptEl.innerHTML;
              } else {
                  if (options.templateIdOrEl.innerHTML === undefined) {
                      throw new Error("You have specified an invalid value for the template option!  " + "It must be an ID or an Element.");
                  }
                  scriptHtml = options.templateIdOrEl.innerHTML;
              }
              scriptHtml = qq.trimStr(scriptHtml);
              tempTemplateEl = document.createElement("div");
              tempTemplateEl.appendChild(qq.toElement(scriptHtml));
              uploaderEl = qq(tempTemplateEl).getFirstByClass(selectorClasses.uploader);
              if (options.button) {
                  defaultButton = qq(tempTemplateEl).getFirstByClass(selectorClasses.button);
                  if (defaultButton) {
                      qq(defaultButton).remove();
                  }
              }
              if (!qq.DragAndDrop || !qq.supportedFeatures.fileDrop) {
                  dropProcessing = qq(tempTemplateEl).getFirstByClass(selectorClasses.dropProcessing);
                  if (dropProcessing) {
                      qq(dropProcessing).remove();
                  }
              }
              dropArea = qq(tempTemplateEl).getFirstByClass(selectorClasses.drop);
              if (dropArea && !qq.DragAndDrop) {
                  log("DnD module unavailable.", "info");
                  qq(dropArea).remove();
              }
              if (!qq.supportedFeatures.fileDrop) {
                  uploaderEl.removeAttribute(DROPZPONE_TEXT_ATTR);
                  if (dropArea && qq(dropArea).hasAttribute(HIDE_DROPZONE_ATTR)) {
                      qq(dropArea).css({
                          display: "none"
                      });
                  }
              } else if (qq(uploaderEl).hasAttribute(DROPZPONE_TEXT_ATTR) && dropArea) {
                  dropTextEl = qq(dropArea).getFirstByClass(selectorClasses.dropText);
                  dropTextEl && qq(dropTextEl).remove();
              }
              thumbnail = qq(tempTemplateEl).getFirstByClass(selectorClasses.thumbnail);
              if (!showThumbnails) {
                  thumbnail && qq(thumbnail).remove();
              } else if (thumbnail) {
                  thumbnailMaxSize = parseInt(thumbnail.getAttribute(THUMBNAIL_MAX_SIZE_ATTR));
                  thumbnailMaxSize = thumbnailMaxSize > 0 ? thumbnailMaxSize : null;
                  serverScale = qq(thumbnail).hasAttribute(THUMBNAIL_SERVER_SCALE_ATTR);
              }
              showThumbnails = showThumbnails && thumbnail;
              isEditElementsExist = qq(tempTemplateEl).getByClass(selectorClasses.editFilenameInput).length > 0;
              isRetryElementExist = qq(tempTemplateEl).getByClass(selectorClasses.retry).length > 0;
              fileListNode = qq(tempTemplateEl).getFirstByClass(selectorClasses.list);
              if (fileListNode == null) {
                  throw new Error("Could not find the file list container in the template!");
              }
              fileListEl = fileListNode.children[0].cloneNode(true);
              fileListNode.innerHTML = "";
              if (tempTemplateEl.getElementsByTagName("DIALOG").length) {
                  document.createElement("dialog");
              }
              log("Template parsing complete");
              return {
                  template: tempTemplateEl,
                  fileTemplate: fileListEl
              };
          }, prependFile = function(el, index, fileList) {
              var parentEl = fileList, beforeEl = parentEl.firstChild;
              if (index > 0) {
                  beforeEl = qq(parentEl).children()[index].nextSibling;
              }
              parentEl.insertBefore(el, beforeEl);
          }, processNewQueuedPreviewRequest = function(queuedThumbRequest) {
              var id = queuedThumbRequest.id, optFileOrBlob = queuedThumbRequest.optFileOrBlob, relatedThumbnailId = optFileOrBlob && optFileOrBlob.qqThumbnailId, thumbnail = getThumbnail(id), spec = {
                  customResizeFunction: queuedThumbRequest.customResizeFunction,
                  maxSize: thumbnailMaxSize,
                  orient: true,
                  scale: true
              };
              if (qq.supportedFeatures.imagePreviews) {
                  if (thumbnail) {
                      if (options.limits.maxThumbs && options.limits.maxThumbs <= generatedThumbnails) {
                          maybeSetDisplayNotAvailableImg(id, thumbnail);
                          generateNextQueuedPreview();
                      } else {
                          displayWaitingImg(thumbnail).done(function() {
                              previewGeneration[id] = new qq.Promise();
                              previewGeneration[id].done(function() {
                                  setTimeout(generateNextQueuedPreview, options.limits.timeBetweenThumbs);
                              });
                              if (relatedThumbnailId != null) {
                                  useCachedPreview(id, relatedThumbnailId);
                              } else {
                                  generateNewPreview(id, optFileOrBlob, spec);
                              }
                          });
                      }
                  } else {
                      generateNextQueuedPreview();
                  }
              } else if (thumbnail) {
                  displayWaitingImg(thumbnail);
                  generateNextQueuedPreview();
              }
          }, processUpdateQueuedPreviewRequest = function(queuedThumbRequest) {
              var id = queuedThumbRequest.id, thumbnailUrl = queuedThumbRequest.thumbnailUrl, showWaitingImg = queuedThumbRequest.showWaitingImg, thumbnail = getThumbnail(id), spec = {
                  customResizeFunction: queuedThumbRequest.customResizeFunction,
                  scale: serverScale,
                  maxSize: thumbnailMaxSize
              };
              if (thumbnail) {
                  if (thumbnailUrl) {
                      if (options.limits.maxThumbs && options.limits.maxThumbs <= generatedThumbnails) {
                          maybeSetDisplayNotAvailableImg(id, thumbnail);
                          generateNextQueuedPreview();
                      } else {
                          if (showWaitingImg) {
                              displayWaitingImg(thumbnail);
                          }
                          return options.imageGenerator.generate(thumbnailUrl, thumbnail, spec).then(function() {
                              show(thumbnail);
                              generatedThumbnails++;
                              setTimeout(generateNextQueuedPreview, options.limits.timeBetweenThumbs);
                          }, function() {
                              maybeSetDisplayNotAvailableImg(id, thumbnail);
                              setTimeout(generateNextQueuedPreview, options.limits.timeBetweenThumbs);
                          });
                      }
                  } else {
                      maybeSetDisplayNotAvailableImg(id, thumbnail);
                      generateNextQueuedPreview();
                  }
              }
          }, setProgressBarWidth = function(id, percent) {
              var bar = getProgress(id), progressBarSelector = id == null ? selectorClasses.totalProgressBar : selectorClasses.progressBar;
              if (bar && !qq(bar).hasClass(progressBarSelector)) {
                  bar = qq(bar).getFirstByClass(progressBarSelector);
              }
              if (bar) {
                  qq(bar).css({
                      width: percent + "%"
                  });
                  bar.setAttribute("aria-valuenow", percent);
              }
          }, show = function(el) {
              el && qq(el).removeClass(options.classes.hide);
          }, useCachedPreview = function(targetThumbnailId, cachedThumbnailId) {
              var targetThumbnail = getThumbnail(targetThumbnailId), cachedThumbnail = getThumbnail(cachedThumbnailId);
              log(qq.format("ID {} is the same file as ID {}.  Will use generated thumbnail from ID {} instead.", targetThumbnailId, cachedThumbnailId, cachedThumbnailId));
              previewGeneration[cachedThumbnailId].then(function() {
                  generatedThumbnails++;
                  previewGeneration[targetThumbnailId].success();
                  log(qq.format("Now using previously generated thumbnail created for ID {} on ID {}.", cachedThumbnailId, targetThumbnailId));
                  targetThumbnail.src = cachedThumbnail.src;
                  show(targetThumbnail);
              }, function() {
                  previewGeneration[targetThumbnailId].failure();
                  if (!options.placeholders.waitUntilUpdate) {
                      maybeSetDisplayNotAvailableImg(targetThumbnailId, targetThumbnail);
                  }
              });
          };
          qq.extend(options, spec);
          log = options.log;
          if (!qq.supportedFeatures.imagePreviews) {
              options.limits.timeBetweenThumbs = 0;
              options.limits.maxThumbs = 0;
          }
          container = options.containerEl;
          showThumbnails = options.imageGenerator !== undefined;
          templateDom = parseAndGetTemplate();
          cacheThumbnailPlaceholders();
          qq.extend(this, {
              render: function() {
                  log("Rendering template in DOM.");
                  generatedThumbnails = 0;
                  container.appendChild(templateDom.template.cloneNode(true));
                  hide(getDropProcessing());
                  this.hideTotalProgress();
                  fileList = options.fileContainerEl || getTemplateEl(container, selectorClasses.list);
                  log("Template rendering complete");
              },
              renderFailure: function(message) {
                  var cantRenderEl = qq.toElement(message);
                  container.innerHTML = "";
                  container.appendChild(cantRenderEl);
              },
              reset: function() {
                  container.innerHTML = "";
                  this.render();
              },
              clearFiles: function() {
                  fileList.innerHTML = "";
              },
              disableCancel: function() {
                  isCancelDisabled = true;
              },
              addFile: function(id, name, prependInfo, hideForever, batch) {
                  var fileEl = templateDom.fileTemplate.cloneNode(true), fileNameEl = getTemplateEl(fileEl, selectorClasses.file), uploaderEl = getTemplateEl(container, selectorClasses.uploader), fileContainer = batch ? fileBatch.content : fileList, thumb;
                  if (batch) {
                      fileBatch.map[id] = fileEl;
                  }
                  qq(fileEl).addClass(FILE_CLASS_PREFIX + id);
                  uploaderEl.removeAttribute(DROPZPONE_TEXT_ATTR);
                  if (fileNameEl) {
                      qq(fileNameEl).setText(name);
                      fileNameEl.setAttribute("title", name);
                  }
                  fileEl.setAttribute(FILE_ID_ATTR, id);
                  if (prependInfo) {
                      prependFile(fileEl, prependInfo.index, fileContainer);
                  } else {
                      fileContainer.appendChild(fileEl);
                  }
                  if (hideForever) {
                      fileEl.style.display = "none";
                      qq(fileEl).addClass(HIDDEN_FOREVER_CLASS);
                  } else {
                      hide(getProgress(id));
                      hide(getSize(id));
                      hide(getDelete(id));
                      hide(getRetry(id));
                      hide(getPause(id));
                      hide(getContinue(id));
                      if (isCancelDisabled) {
                          this.hideCancel(id);
                      }
                      thumb = getThumbnail(id);
                      if (thumb && !thumb.src) {
                          cachedWaitingForThumbnailImg.then(function(waitingImg) {
                              thumb.src = waitingImg.src;
                              if (waitingImg.style.maxHeight && waitingImg.style.maxWidth) {
                                  qq(thumb).css({
                                      maxHeight: waitingImg.style.maxHeight,
                                      maxWidth: waitingImg.style.maxWidth
                                  });
                              }
                              show(thumb);
                          });
                      }
                  }
              },
              addFileToCache: function(id, name, prependInfo, hideForever) {
                  this.addFile(id, name, prependInfo, hideForever, true);
              },
              addCacheToDom: function() {
                  fileList.appendChild(fileBatch.content);
                  fileBatch.content = document.createDocumentFragment();
                  fileBatch.map = {};
              },
              removeFile: function(id) {
                  qq(getFile(id)).remove();
              },
              getFileId: function(el) {
                  var currentNode = el;
                  if (currentNode) {
                      while (currentNode.getAttribute(FILE_ID_ATTR) == null) {
                          currentNode = currentNode.parentNode;
                      }
                      return parseInt(currentNode.getAttribute(FILE_ID_ATTR));
                  }
              },
              getFileList: function() {
                  return fileList;
              },
              markFilenameEditable: function(id) {
                  var filename = getFilename(id);
                  filename && qq(filename).addClass(options.classes.editable);
              },
              updateFilename: function(id, name) {
                  var filenameEl = getFilename(id);
                  if (filenameEl) {
                      qq(filenameEl).setText(name);
                      filenameEl.setAttribute("title", name);
                  }
              },
              hideFilename: function(id) {
                  hide(getFilename(id));
              },
              showFilename: function(id) {
                  show(getFilename(id));
              },
              isFileName: function(el) {
                  return qq(el).hasClass(selectorClasses.file);
              },
              getButton: function() {
                  return options.button || getTemplateEl(container, selectorClasses.button);
              },
              hideDropProcessing: function() {
                  hide(getDropProcessing());
              },
              showDropProcessing: function() {
                  show(getDropProcessing());
              },
              getDropZone: function() {
                  return getTemplateEl(container, selectorClasses.drop);
              },
              isEditFilenamePossible: function() {
                  return isEditElementsExist;
              },
              hideRetry: function(id) {
                  hide(getRetry(id));
              },
              isRetryPossible: function() {
                  return isRetryElementExist;
              },
              showRetry: function(id) {
                  show(getRetry(id));
              },
              getFileContainer: function(id) {
                  return getFile(id);
              },
              showEditIcon: function(id) {
                  var icon = getEditIcon(id);
                  icon && qq(icon).addClass(options.classes.editable);
              },
              isHiddenForever: function(id) {
                  return qq(getFile(id)).hasClass(HIDDEN_FOREVER_CLASS);
              },
              hideEditIcon: function(id) {
                  var icon = getEditIcon(id);
                  icon && qq(icon).removeClass(options.classes.editable);
              },
              isEditIcon: function(el) {
                  return qq(el).hasClass(selectorClasses.editNameIcon, true);
              },
              getEditInput: function(id) {
                  return getTemplateEl(getFile(id), selectorClasses.editFilenameInput);
              },
              isEditInput: function(el) {
                  return qq(el).hasClass(selectorClasses.editFilenameInput, true);
              },
              updateProgress: function(id, loaded, total) {
                  var bar = getProgress(id), percent;
                  if (bar && total > 0) {
                      percent = Math.round(loaded / total * 100);
                      if (percent === 100) {
                          hide(bar);
                      } else {
                          show(bar);
                      }
                      setProgressBarWidth(id, percent);
                  }
              },
              updateTotalProgress: function(loaded, total) {
                  this.updateProgress(null, loaded, total);
              },
              hideProgress: function(id) {
                  var bar = getProgress(id);
                  bar && hide(bar);
              },
              hideTotalProgress: function() {
                  this.hideProgress();
              },
              resetProgress: function(id) {
                  setProgressBarWidth(id, 0);
                  this.hideTotalProgress(id);
              },
              resetTotalProgress: function() {
                  this.resetProgress();
              },
              showCancel: function(id) {
                  if (!isCancelDisabled) {
                      var cancel = getCancel(id);
                      cancel && qq(cancel).removeClass(options.classes.hide);
                  }
              },
              hideCancel: function(id) {
                  hide(getCancel(id));
              },
              isCancel: function(el) {
                  return qq(el).hasClass(selectorClasses.cancel, true);
              },
              allowPause: function(id) {
                  show(getPause(id));
                  hide(getContinue(id));
              },
              uploadPaused: function(id) {
                  this.setStatusText(id, options.text.paused);
                  this.allowContinueButton(id);
                  hide(getSpinner(id));
              },
              hidePause: function(id) {
                  hide(getPause(id));
              },
              isPause: function(el) {
                  return qq(el).hasClass(selectorClasses.pause, true);
              },
              isContinueButton: function(el) {
                  return qq(el).hasClass(selectorClasses.continueButton, true);
              },
              allowContinueButton: function(id) {
                  show(getContinue(id));
                  hide(getPause(id));
              },
              uploadContinued: function(id) {
                  this.setStatusText(id, "");
                  this.allowPause(id);
                  show(getSpinner(id));
              },
              showDeleteButton: function(id) {
                  show(getDelete(id));
              },
              hideDeleteButton: function(id) {
                  hide(getDelete(id));
              },
              isDeleteButton: function(el) {
                  return qq(el).hasClass(selectorClasses.deleteButton, true);
              },
              isRetry: function(el) {
                  return qq(el).hasClass(selectorClasses.retry, true);
              },
              updateSize: function(id, text) {
                  var size = getSize(id);
                  if (size) {
                      show(size);
                      qq(size).setText(text);
                  }
              },
              setStatusText: function(id, text) {
                  var textEl = getTemplateEl(getFile(id), selectorClasses.statusText);
                  if (textEl) {
                      if (text == null) {
                          qq(textEl).clearText();
                      } else {
                          qq(textEl).setText(text);
                      }
                  }
              },
              hideSpinner: function(id) {
                  qq(getFile(id)).removeClass(IN_PROGRESS_CLASS);
                  hide(getSpinner(id));
              },
              showSpinner: function(id) {
                  qq(getFile(id)).addClass(IN_PROGRESS_CLASS);
                  show(getSpinner(id));
              },
              generatePreview: function(id, optFileOrBlob, customResizeFunction) {
                  if (!this.isHiddenForever(id)) {
                      thumbGenerationQueue.push({
                          id: id,
                          customResizeFunction: customResizeFunction,
                          optFileOrBlob: optFileOrBlob
                      });
                      !thumbnailQueueMonitorRunning && generateNextQueuedPreview();
                  }
              },
              updateThumbnail: function(id, thumbnailUrl, showWaitingImg, customResizeFunction) {
                  if (!this.isHiddenForever(id)) {
                      thumbGenerationQueue.push({
                          customResizeFunction: customResizeFunction,
                          update: true,
                          id: id,
                          thumbnailUrl: thumbnailUrl,
                          showWaitingImg: showWaitingImg
                      });
                      !thumbnailQueueMonitorRunning && generateNextQueuedPreview();
                  }
              },
              hasDialog: function(type) {
                  return qq.supportedFeatures.dialogElement && !!getDialog(type);
              },
              showDialog: function(type, message, defaultValue) {
                  var dialog = getDialog(type), messageEl = getTemplateEl(dialog, selectorClasses.dialogMessage), inputEl = dialog.getElementsByTagName("INPUT")[0], cancelBtn = getTemplateEl(dialog, selectorClasses.dialogCancelButton), okBtn = getTemplateEl(dialog, selectorClasses.dialogOkButton), promise = new qq.Promise(), closeHandler = function() {
                      cancelBtn.removeEventListener("click", cancelClickHandler);
                      okBtn && okBtn.removeEventListener("click", okClickHandler);
                      promise.failure();
                  }, cancelClickHandler = function() {
                      cancelBtn.removeEventListener("click", cancelClickHandler);
                      dialog.close();
                  }, okClickHandler = function() {
                      dialog.removeEventListener("close", closeHandler);
                      okBtn.removeEventListener("click", okClickHandler);
                      dialog.close();
                      promise.success(inputEl && inputEl.value);
                  };
                  dialog.addEventListener("close", closeHandler);
                  cancelBtn.addEventListener("click", cancelClickHandler);
                  okBtn && okBtn.addEventListener("click", okClickHandler);
                  if (inputEl) {
                      inputEl.value = defaultValue;
                  }
                  messageEl.textContent = message;
                  dialog.showModal();
                  return promise;
              }
          });
      };
      qq.UiEventHandler = function(s, protectedApi) {
          "use strict";
          var disposer = new qq.DisposeSupport(), spec = {
              eventType: "click",
              attachTo: null,
              onHandled: function(target, event) {}
          };
          qq.extend(this, {
              addHandler: function(element) {
                  addHandler(element);
              },
              dispose: function() {
                  disposer.dispose();
              }
          });
          function addHandler(element) {
              disposer.attach(element, spec.eventType, function(event) {
                  event = event || window.event;
                  var target = event.target || event.srcElement;
                  spec.onHandled(target, event);
              });
          }
          qq.extend(protectedApi, {
              getFileIdFromItem: function(item) {
                  return item.qqFileId;
              },
              getDisposeSupport: function() {
                  return disposer;
              }
          });
          qq.extend(spec, s);
          if (spec.attachTo) {
              addHandler(spec.attachTo);
          }
      };
      qq.FileButtonsClickHandler = function(s) {
          "use strict";
          var inheritedInternalApi = {}, spec = {
              templating: null,
              log: function(message, lvl) {},
              onDeleteFile: function(fileId) {},
              onCancel: function(fileId) {},
              onRetry: function(fileId) {},
              onPause: function(fileId) {},
              onContinue: function(fileId) {},
              onGetName: function(fileId) {}
          }, buttonHandlers = {
              cancel: function(id) {
                  spec.onCancel(id);
              },
              retry: function(id) {
                  spec.onRetry(id);
              },
              deleteButton: function(id) {
                  spec.onDeleteFile(id);
              },
              pause: function(id) {
                  spec.onPause(id);
              },
              continueButton: function(id) {
                  spec.onContinue(id);
              }
          };
          function examineEvent(target, event) {
              qq.each(buttonHandlers, function(buttonType, handler) {
                  var firstLetterCapButtonType = buttonType.charAt(0).toUpperCase() + buttonType.slice(1), fileId;
                  if (spec.templating["is" + firstLetterCapButtonType](target)) {
                      fileId = spec.templating.getFileId(target);
                      qq.preventDefault(event);
                      spec.log(qq.format("Detected valid file button click event on file '{}', ID: {}.", spec.onGetName(fileId), fileId));
                      handler(fileId);
                      return false;
                  }
              });
          }
          qq.extend(spec, s);
          spec.eventType = "click";
          spec.onHandled = examineEvent;
          spec.attachTo = spec.templating.getFileList();
          qq.extend(this, new qq.UiEventHandler(spec, inheritedInternalApi));
      };
      qq.FilenameClickHandler = function(s) {
          "use strict";
          var inheritedInternalApi = {}, spec = {
              templating: null,
              log: function(message, lvl) {},
              classes: {
                  file: "qq-upload-file",
                  editNameIcon: "qq-edit-filename-icon"
              },
              onGetUploadStatus: function(fileId) {},
              onGetName: function(fileId) {}
          };
          qq.extend(spec, s);
          function examineEvent(target, event) {
              if (spec.templating.isFileName(target) || spec.templating.isEditIcon(target)) {
                  var fileId = spec.templating.getFileId(target), status = spec.onGetUploadStatus(fileId);
                  if (status === qq.status.SUBMITTED) {
                      spec.log(qq.format("Detected valid filename click event on file '{}', ID: {}.", spec.onGetName(fileId), fileId));
                      qq.preventDefault(event);
                      inheritedInternalApi.handleFilenameEdit(fileId, target, true);
                  }
              }
          }
          spec.eventType = "click";
          spec.onHandled = examineEvent;
          qq.extend(this, new qq.FilenameEditHandler(spec, inheritedInternalApi));
      };
      qq.FilenameInputFocusInHandler = function(s, inheritedInternalApi) {
          "use strict";
          var spec = {
              templating: null,
              onGetUploadStatus: function(fileId) {},
              log: function(message, lvl) {}
          };
          if (!inheritedInternalApi) {
              inheritedInternalApi = {};
          }
          function handleInputFocus(target, event) {
              if (spec.templating.isEditInput(target)) {
                  var fileId = spec.templating.getFileId(target), status = spec.onGetUploadStatus(fileId);
                  if (status === qq.status.SUBMITTED) {
                      spec.log(qq.format("Detected valid filename input focus event on file '{}', ID: {}.", spec.onGetName(fileId), fileId));
                      inheritedInternalApi.handleFilenameEdit(fileId, target);
                  }
              }
          }
          spec.eventType = "focusin";
          spec.onHandled = handleInputFocus;
          qq.extend(spec, s);
          qq.extend(this, new qq.FilenameEditHandler(spec, inheritedInternalApi));
      };
      qq.FilenameInputFocusHandler = function(spec) {
          "use strict";
          spec.eventType = "focus";
          spec.attachTo = null;
          qq.extend(this, new qq.FilenameInputFocusInHandler(spec, {}));
      };
      qq.FilenameEditHandler = function(s, inheritedInternalApi) {
          "use strict";
          var spec = {
              templating: null,
              log: function(message, lvl) {},
              onGetUploadStatus: function(fileId) {},
              onGetName: function(fileId) {},
              onSetName: function(fileId, newName) {},
              onEditingStatusChange: function(fileId, isEditing) {}
          };
          function getFilenameSansExtension(fileId) {
              var filenameSansExt = spec.onGetName(fileId), extIdx = filenameSansExt.lastIndexOf(".");
              if (extIdx > 0) {
                  filenameSansExt = filenameSansExt.substr(0, extIdx);
              }
              return filenameSansExt;
          }
          function getOriginalExtension(fileId) {
              var origName = spec.onGetName(fileId);
              return qq.getExtension(origName);
          }
          function handleNameUpdate(newFilenameInputEl, fileId) {
              var newName = newFilenameInputEl.value, origExtension;
              if (newName !== undefined && qq.trimStr(newName).length > 0) {
                  origExtension = getOriginalExtension(fileId);
                  if (origExtension !== undefined) {
                      newName = newName + "." + origExtension;
                  }
                  spec.onSetName(fileId, newName);
              }
              spec.onEditingStatusChange(fileId, false);
          }
          function registerInputBlurHandler(inputEl, fileId) {
              inheritedInternalApi.getDisposeSupport().attach(inputEl, "blur", function() {
                  handleNameUpdate(inputEl, fileId);
              });
          }
          function registerInputEnterKeyHandler(inputEl, fileId) {
              inheritedInternalApi.getDisposeSupport().attach(inputEl, "keyup", function(event) {
                  var code = event.keyCode || event.which;
                  if (code === 13) {
                      handleNameUpdate(inputEl, fileId);
                  }
              });
          }
          qq.extend(spec, s);
          spec.attachTo = spec.templating.getFileList();
          qq.extend(this, new qq.UiEventHandler(spec, inheritedInternalApi));
          qq.extend(inheritedInternalApi, {
              handleFilenameEdit: function(id, target, focusInput) {
                  var newFilenameInputEl = spec.templating.getEditInput(id);
                  spec.onEditingStatusChange(id, true);
                  newFilenameInputEl.value = getFilenameSansExtension(id);
                  if (focusInput) {
                      newFilenameInputEl.focus();
                  }
                  registerInputBlurHandler(newFilenameInputEl, id);
                  registerInputEnterKeyHandler(newFilenameInputEl, id);
              }
          });
      };
  })(window);
  //# sourceMappingURL=fine-uploader.js.map