// 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;
        }
    })();
    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.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;
    };
})(window);
//# sourceMappingURL=dnd.js.map