diff options
Diffstat (limited to 'vendor/blueimp/jquery-file-upload/js/jquery.fileupload.js')
| -rw-r--r-- | vendor/blueimp/jquery-file-upload/js/jquery.fileupload.js | 2999 |
1 files changed, 1554 insertions, 1445 deletions
diff --git a/vendor/blueimp/jquery-file-upload/js/jquery.fileupload.js b/vendor/blueimp/jquery-file-upload/js/jquery.fileupload.js index 700f9013c..d4d32570c 100644 --- a/vendor/blueimp/jquery-file-upload/js/jquery.fileupload.js +++ b/vendor/blueimp/jquery-file-upload/js/jquery.fileupload.js @@ -9,1494 +9,1603 @@ * https://opensource.org/licenses/MIT */ -/* jshint nomen:false */ -/* global define, require, window, document, location, Blob, FormData */ - -;(function (factory) { - 'use strict'; - if (typeof define === 'function' && define.amd) { - // Register as an anonymous AMD module: - define([ - 'jquery', - 'jquery-ui/ui/widget' - ], factory); - } else if (typeof exports === 'object') { - // Node/CommonJS: - factory( - require('jquery'), - require('./vendor/jquery.ui.widget') - ); - } else { - // Browser globals: - factory(window.jQuery); - } -}(function ($) { - 'use strict'; - - // Detect file input support, based on - // http://viljamis.com/blog/2012/file-upload-support-on-mobile/ - $.support.fileInput = !(new RegExp( - // Handle devices which give false positives for the feature detection: - '(Android (1\\.[0156]|2\\.[01]))' + - '|(Windows Phone (OS 7|8\\.0))|(XBLWP)|(ZuneWP)|(WPDesktop)' + - '|(w(eb)?OSBrowser)|(webOS)' + - '|(Kindle/(1\\.0|2\\.[05]|3\\.0))' +/* global define, require */ +/* eslint-disable new-cap */ + +(function(factory) { + 'use strict'; + if (typeof define === 'function' && define.amd) { + // Register as an anonymous AMD module: + define(['jquery', 'jquery-ui/ui/widget'], factory); + } else if (typeof exports === 'object') { + // Node/CommonJS: + factory(require('jquery'), require('./vendor/jquery.ui.widget')); + } else { + // Browser globals: + factory(window.jQuery); + } +})(function($) { + 'use strict'; + + // Detect file input support, based on + // https://viljamis.com/2012/file-upload-support-on-mobile/ + $.support.fileInput = !( + new RegExp( + // Handle devices which give false positives for the feature detection: + '(Android (1\\.[0156]|2\\.[01]))' + + '|(Windows Phone (OS 7|8\\.0))|(XBLWP)|(ZuneWP)|(WPDesktop)' + + '|(w(eb)?OSBrowser)|(webOS)' + + '|(Kindle/(1\\.0|2\\.[05]|3\\.0))' ).test(window.navigator.userAgent) || - // Feature detection for all other devices: - $('<input type="file"/>').prop('disabled')); - - // The FileReader API is not actually used, but works as feature detection, - // as some Safari versions (5?) support XHR file uploads via the FormData API, - // but not non-multipart XHR file uploads. - // window.XMLHttpRequestUpload is not available on IE10, so we check for - // window.ProgressEvent instead to detect XHR2 file upload capability: - $.support.xhrFileUpload = !!(window.ProgressEvent && window.FileReader); - $.support.xhrFormDataFileUpload = !!window.FormData; - - // Detect support for Blob slicing (required for chunked uploads): - $.support.blobSlice = window.Blob && (Blob.prototype.slice || - Blob.prototype.webkitSlice || Blob.prototype.mozSlice); - - // Helper function to create drag handlers for dragover/dragenter/dragleave: - function getDragHandler(type) { - var isDragOver = type === 'dragover'; - return function (e) { - e.dataTransfer = e.originalEvent && e.originalEvent.dataTransfer; - var dataTransfer = e.dataTransfer; - if (dataTransfer && $.inArray('Files', dataTransfer.types) !== -1 && - this._trigger( - type, - $.Event(type, {delegatedEvent: e}) - ) !== false) { - e.preventDefault(); - if (isDragOver) { - dataTransfer.dropEffect = 'copy'; - } - } - }; - } + // Feature detection for all other devices: + $('<input type="file"/>').prop('disabled') + ); + + // The FileReader API is not actually used, but works as feature detection, + // as some Safari versions (5?) support XHR file uploads via the FormData API, + // but not non-multipart XHR file uploads. + // window.XMLHttpRequestUpload is not available on IE10, so we check for + // window.ProgressEvent instead to detect XHR2 file upload capability: + $.support.xhrFileUpload = !!(window.ProgressEvent && window.FileReader); + $.support.xhrFormDataFileUpload = !!window.FormData; + + // Detect support for Blob slicing (required for chunked uploads): + $.support.blobSlice = + window.Blob && + (Blob.prototype.slice || + Blob.prototype.webkitSlice || + Blob.prototype.mozSlice); + + /** + * Helper function to create drag handlers for dragover/dragenter/dragleave + * + * @param {string} type Event type + * @returns {Function} Drag handler + */ + function getDragHandler(type) { + var isDragOver = type === 'dragover'; + return function(e) { + e.dataTransfer = e.originalEvent && e.originalEvent.dataTransfer; + var dataTransfer = e.dataTransfer; + if ( + dataTransfer && + $.inArray('Files', dataTransfer.types) !== -1 && + this._trigger(type, $.Event(type, { delegatedEvent: e })) !== false + ) { + e.preventDefault(); + if (isDragOver) { + dataTransfer.dropEffect = 'copy'; + } + } + }; + } + + // The fileupload widget listens for change events on file input fields defined + // via fileInput setting and paste or drop events of the given dropZone. + // In addition to the default jQuery Widget methods, the fileupload widget + // exposes the "add" and "send" methods, to add or directly send files using + // the fileupload API. + // By default, files added via file input selection, paste, drag & drop or + // "add" method are uploaded immediately, but it is possible to override + // the "add" callback option to queue file uploads. + $.widget('blueimp.fileupload', { + options: { + // The drop target element(s), by the default the complete document. + // Set to null to disable drag & drop support: + dropZone: $(document), + // The paste target element(s), by the default undefined. + // Set to a DOM node or jQuery object to enable file pasting: + pasteZone: undefined, + // The file input field(s), that are listened to for change events. + // If undefined, it is set to the file input fields inside + // of the widget element on plugin initialization. + // Set to null to disable the change listener. + fileInput: undefined, + // By default, the file input field is replaced with a clone after + // each input field change event. This is required for iframe transport + // queues and allows change events to be fired for the same file + // selection, but can be disabled by setting the following option to false: + replaceFileInput: true, + // The parameter name for the file form data (the request argument name). + // If undefined or empty, the name property of the file input field is + // used, or "files[]" if the file input name property is also empty, + // can be a string or an array of strings: + paramName: undefined, + // By default, each file of a selection is uploaded using an individual + // request for XHR type uploads. Set to false to upload file + // selections in one request each: + singleFileUploads: true, + // To limit the number of files uploaded with one XHR request, + // set the following option to an integer greater than 0: + limitMultiFileUploads: undefined, + // The following option limits the number of files uploaded with one + // XHR request to keep the request size under or equal to the defined + // limit in bytes: + limitMultiFileUploadSize: undefined, + // Multipart file uploads add a number of bytes to each uploaded file, + // therefore the following option adds an overhead for each file used + // in the limitMultiFileUploadSize configuration: + limitMultiFileUploadSizeOverhead: 512, + // Set the following option to true to issue all file upload requests + // in a sequential order: + sequentialUploads: false, + // To limit the number of concurrent uploads, + // set the following option to an integer greater than 0: + limitConcurrentUploads: undefined, + // Set the following option to true to force iframe transport uploads: + forceIframeTransport: false, + // Set the following option to the location of a redirect url on the + // origin server, for cross-domain iframe transport uploads: + redirect: undefined, + // The parameter name for the redirect url, sent as part of the form + // data and set to 'redirect' if this option is empty: + redirectParamName: undefined, + // Set the following option to the location of a postMessage window, + // to enable postMessage transport uploads: + postMessage: undefined, + // By default, XHR file uploads are sent as multipart/form-data. + // The iframe transport is always using multipart/form-data. + // Set to false to enable non-multipart XHR uploads: + multipart: true, + // To upload large files in smaller chunks, set the following option + // to a preferred maximum chunk size. If set to 0, null or undefined, + // or the browser does not support the required Blob API, files will + // be uploaded as a whole. + maxChunkSize: undefined, + // When a non-multipart upload or a chunked multipart upload has been + // aborted, this option can be used to resume the upload by setting + // it to the size of the already uploaded bytes. This option is most + // useful when modifying the options object inside of the "add" or + // "send" callbacks, as the options are cloned for each file upload. + uploadedBytes: undefined, + // By default, failed (abort or error) file uploads are removed from the + // global progress calculation. Set the following option to false to + // prevent recalculating the global progress data: + recalculateProgress: true, + // Interval in milliseconds to calculate and trigger progress events: + progressInterval: 100, + // Interval in milliseconds to calculate progress bitrate: + bitrateInterval: 500, + // By default, uploads are started automatically when adding files: + autoUpload: true, + // By default, duplicate file names are expected to be handled on + // the server-side. If this is not possible (e.g. when uploading + // files directly to Amazon S3), the following option can be set to + // an empty object or an object mapping existing filenames, e.g.: + // { "image.jpg": true, "image (1).jpg": true } + // If it is set, all files will be uploaded with unique filenames, + // adding increasing number suffixes if necessary, e.g.: + // "image (2).jpg" + uniqueFilenames: undefined, + + // Error and info messages: + messages: { + uploadedBytes: 'Uploaded bytes exceed file size' + }, + + // Translation function, gets the message key to be translated + // and an object with context specific data as arguments: + i18n: function(message, context) { + // eslint-disable-next-line no-param-reassign + message = this.messages[message] || message.toString(); + if (context) { + $.each(context, function(key, value) { + // eslint-disable-next-line no-param-reassign + message = message.replace('{' + key + '}', value); + }); + } + return message; + }, + + // Additional form data to be sent along with the file uploads can be set + // using this option, which accepts an array of objects with name and + // value properties, a function returning such an array, a FormData + // object (for XHR file uploads), or a simple object. + // The form of the first fileInput is given as parameter to the function: + formData: function(form) { + return form.serializeArray(); + }, + + // The add callback is invoked as soon as files are added to the fileupload + // widget (via file input selection, drag & drop, paste or add API call). + // If the singleFileUploads option is enabled, this callback will be + // called once for each file in the selection for XHR file uploads, else + // once for each file selection. + // + // The upload starts when the submit method is invoked on the data parameter. + // The data object contains a files property holding the added files + // and allows you to override plugin options as well as define ajax settings. + // + // Listeners for this callback can also be bound the following way: + // .bind('fileuploadadd', func); + // + // data.submit() returns a Promise object and allows to attach additional + // handlers using jQuery's Deferred callbacks: + // data.submit().done(func).fail(func).always(func); + add: function(e, data) { + if (e.isDefaultPrevented()) { + return false; + } + if ( + data.autoUpload || + (data.autoUpload !== false && + $(this).fileupload('option', 'autoUpload')) + ) { + data.process().done(function() { + data.submit(); + }); + } + }, - // The fileupload widget listens for change events on file input fields defined - // via fileInput setting and paste or drop events of the given dropZone. - // In addition to the default jQuery Widget methods, the fileupload widget - // exposes the "add" and "send" methods, to add or directly send files using - // the fileupload API. - // By default, files added via file input selection, paste, drag & drop or - // "add" method are uploaded immediately, but it is possible to override - // the "add" callback option to queue file uploads. - $.widget('blueimp.fileupload', { - - options: { - // The drop target element(s), by the default the complete document. - // Set to null to disable drag & drop support: - dropZone: $(document), - // The paste target element(s), by the default undefined. - // Set to a DOM node or jQuery object to enable file pasting: - pasteZone: undefined, - // The file input field(s), that are listened to for change events. - // If undefined, it is set to the file input fields inside - // of the widget element on plugin initialization. - // Set to null to disable the change listener. - fileInput: undefined, - // By default, the file input field is replaced with a clone after - // each input field change event. This is required for iframe transport - // queues and allows change events to be fired for the same file - // selection, but can be disabled by setting the following option to false: - replaceFileInput: true, - // The parameter name for the file form data (the request argument name). - // If undefined or empty, the name property of the file input field is - // used, or "files[]" if the file input name property is also empty, - // can be a string or an array of strings: - paramName: undefined, - // By default, each file of a selection is uploaded using an individual - // request for XHR type uploads. Set to false to upload file - // selections in one request each: - singleFileUploads: true, - // To limit the number of files uploaded with one XHR request, - // set the following option to an integer greater than 0: - limitMultiFileUploads: undefined, - // The following option limits the number of files uploaded with one - // XHR request to keep the request size under or equal to the defined - // limit in bytes: - limitMultiFileUploadSize: undefined, - // Multipart file uploads add a number of bytes to each uploaded file, - // therefore the following option adds an overhead for each file used - // in the limitMultiFileUploadSize configuration: - limitMultiFileUploadSizeOverhead: 512, - // Set the following option to true to issue all file upload requests - // in a sequential order: - sequentialUploads: false, - // To limit the number of concurrent uploads, - // set the following option to an integer greater than 0: - limitConcurrentUploads: undefined, - // Set the following option to true to force iframe transport uploads: - forceIframeTransport: false, - // Set the following option to the location of a redirect url on the - // origin server, for cross-domain iframe transport uploads: - redirect: undefined, - // The parameter name for the redirect url, sent as part of the form - // data and set to 'redirect' if this option is empty: - redirectParamName: undefined, - // Set the following option to the location of a postMessage window, - // to enable postMessage transport uploads: - postMessage: undefined, - // By default, XHR file uploads are sent as multipart/form-data. - // The iframe transport is always using multipart/form-data. - // Set to false to enable non-multipart XHR uploads: - multipart: true, - // To upload large files in smaller chunks, set the following option - // to a preferred maximum chunk size. If set to 0, null or undefined, - // or the browser does not support the required Blob API, files will - // be uploaded as a whole. - maxChunkSize: undefined, - // When a non-multipart upload or a chunked multipart upload has been - // aborted, this option can be used to resume the upload by setting - // it to the size of the already uploaded bytes. This option is most - // useful when modifying the options object inside of the "add" or - // "send" callbacks, as the options are cloned for each file upload. - uploadedBytes: undefined, - // By default, failed (abort or error) file uploads are removed from the - // global progress calculation. Set the following option to false to - // prevent recalculating the global progress data: - recalculateProgress: true, - // Interval in milliseconds to calculate and trigger progress events: - progressInterval: 100, - // Interval in milliseconds to calculate progress bitrate: - bitrateInterval: 500, - // By default, uploads are started automatically when adding files: - autoUpload: true, - - // Error and info messages: - messages: { - uploadedBytes: 'Uploaded bytes exceed file size' - }, - - // Translation function, gets the message key to be translated - // and an object with context specific data as arguments: - i18n: function (message, context) { - message = this.messages[message] || message.toString(); - if (context) { - $.each(context, function (key, value) { - message = message.replace('{' + key + '}', value); - }); - } - return message; - }, - - // Additional form data to be sent along with the file uploads can be set - // using this option, which accepts an array of objects with name and - // value properties, a function returning such an array, a FormData - // object (for XHR file uploads), or a simple object. - // The form of the first fileInput is given as parameter to the function: - formData: function (form) { - return form.serializeArray(); - }, - - // The add callback is invoked as soon as files are added to the fileupload - // widget (via file input selection, drag & drop, paste or add API call). - // If the singleFileUploads option is enabled, this callback will be - // called once for each file in the selection for XHR file uploads, else - // once for each file selection. - // - // The upload starts when the submit method is invoked on the data parameter. - // The data object contains a files property holding the added files - // and allows you to override plugin options as well as define ajax settings. - // - // Listeners for this callback can also be bound the following way: - // .bind('fileuploadadd', func); - // - // data.submit() returns a Promise object and allows to attach additional - // handlers using jQuery's Deferred callbacks: - // data.submit().done(func).fail(func).always(func); - add: function (e, data) { - if (e.isDefaultPrevented()) { - return false; - } - if (data.autoUpload || (data.autoUpload !== false && - $(this).fileupload('option', 'autoUpload'))) { - data.process().done(function () { - data.submit(); - }); - } - }, + // Other callbacks: - // Other callbacks: + // Callback for the submit event of each file upload: + // submit: function (e, data) {}, // .bind('fileuploadsubmit', func); - // Callback for the submit event of each file upload: - // submit: function (e, data) {}, // .bind('fileuploadsubmit', func); + // Callback for the start of each file upload request: + // send: function (e, data) {}, // .bind('fileuploadsend', func); - // Callback for the start of each file upload request: - // send: function (e, data) {}, // .bind('fileuploadsend', func); + // Callback for successful uploads: + // done: function (e, data) {}, // .bind('fileuploaddone', func); - // Callback for successful uploads: - // done: function (e, data) {}, // .bind('fileuploaddone', func); + // Callback for failed (abort or error) uploads: + // fail: function (e, data) {}, // .bind('fileuploadfail', func); - // Callback for failed (abort or error) uploads: - // fail: function (e, data) {}, // .bind('fileuploadfail', func); + // Callback for completed (success, abort or error) requests: + // always: function (e, data) {}, // .bind('fileuploadalways', func); - // Callback for completed (success, abort or error) requests: - // always: function (e, data) {}, // .bind('fileuploadalways', func); + // Callback for upload progress events: + // progress: function (e, data) {}, // .bind('fileuploadprogress', func); - // Callback for upload progress events: - // progress: function (e, data) {}, // .bind('fileuploadprogress', func); + // Callback for global upload progress events: + // progressall: function (e, data) {}, // .bind('fileuploadprogressall', func); - // Callback for global upload progress events: - // progressall: function (e, data) {}, // .bind('fileuploadprogressall', func); + // Callback for uploads start, equivalent to the global ajaxStart event: + // start: function (e) {}, // .bind('fileuploadstart', func); - // Callback for uploads start, equivalent to the global ajaxStart event: - // start: function (e) {}, // .bind('fileuploadstart', func); + // Callback for uploads stop, equivalent to the global ajaxStop event: + // stop: function (e) {}, // .bind('fileuploadstop', func); - // Callback for uploads stop, equivalent to the global ajaxStop event: - // stop: function (e) {}, // .bind('fileuploadstop', func); + // Callback for change events of the fileInput(s): + // change: function (e, data) {}, // .bind('fileuploadchange', func); - // Callback for change events of the fileInput(s): - // change: function (e, data) {}, // .bind('fileuploadchange', func); + // Callback for paste events to the pasteZone(s): + // paste: function (e, data) {}, // .bind('fileuploadpaste', func); - // Callback for paste events to the pasteZone(s): - // paste: function (e, data) {}, // .bind('fileuploadpaste', func); + // Callback for drop events of the dropZone(s): + // drop: function (e, data) {}, // .bind('fileuploaddrop', func); - // Callback for drop events of the dropZone(s): - // drop: function (e, data) {}, // .bind('fileuploaddrop', func); + // Callback for dragover events of the dropZone(s): + // dragover: function (e) {}, // .bind('fileuploaddragover', func); - // Callback for dragover events of the dropZone(s): - // dragover: function (e) {}, // .bind('fileuploaddragover', func); + // Callback before the start of each chunk upload request (before form data initialization): + // chunkbeforesend: function (e, data) {}, // .bind('fileuploadchunkbeforesend', func); - // Callback before the start of each chunk upload request (before form data initialization): - // chunkbeforesend: function (e, data) {}, // .bind('fileuploadchunkbeforesend', func); + // Callback for the start of each chunk upload request: + // chunksend: function (e, data) {}, // .bind('fileuploadchunksend', func); - // Callback for the start of each chunk upload request: - // chunksend: function (e, data) {}, // .bind('fileuploadchunksend', func); + // Callback for successful chunk uploads: + // chunkdone: function (e, data) {}, // .bind('fileuploadchunkdone', func); - // Callback for successful chunk uploads: - // chunkdone: function (e, data) {}, // .bind('fileuploadchunkdone', func); + // Callback for failed (abort or error) chunk uploads: + // chunkfail: function (e, data) {}, // .bind('fileuploadchunkfail', func); - // Callback for failed (abort or error) chunk uploads: - // chunkfail: function (e, data) {}, // .bind('fileuploadchunkfail', func); + // Callback for completed (success, abort or error) chunk upload requests: + // chunkalways: function (e, data) {}, // .bind('fileuploadchunkalways', func); - // Callback for completed (success, abort or error) chunk upload requests: - // chunkalways: function (e, data) {}, // .bind('fileuploadchunkalways', func); + // The plugin options are used as settings object for the ajax calls. + // The following are jQuery ajax settings required for the file uploads: + processData: false, + contentType: false, + cache: false, + timeout: 0 + }, - // The plugin options are used as settings object for the ajax calls. - // The following are jQuery ajax settings required for the file uploads: - processData: false, - contentType: false, - cache: false, - timeout: 0 - }, + // A list of options that require reinitializing event listeners and/or + // special initialization code: + _specialOptions: [ + 'fileInput', + 'dropZone', + 'pasteZone', + 'multipart', + 'forceIframeTransport' + ], - // A list of options that require reinitializing event listeners and/or - // special initialization code: - _specialOptions: [ - 'fileInput', - 'dropZone', - 'pasteZone', - 'multipart', - 'forceIframeTransport' - ], - - _blobSlice: $.support.blobSlice && function () { - var slice = this.slice || this.webkitSlice || this.mozSlice; - return slice.apply(this, arguments); - }, + _blobSlice: + $.support.blobSlice && + function() { + var slice = this.slice || this.webkitSlice || this.mozSlice; + return slice.apply(this, arguments); + }, - _BitrateTimer: function () { - this.timestamp = ((Date.now) ? Date.now() : (new Date()).getTime()); - this.loaded = 0; - this.bitrate = 0; - this.getBitrate = function (now, loaded, interval) { - var timeDiff = now - this.timestamp; - if (!this.bitrate || !interval || timeDiff > interval) { - this.bitrate = (loaded - this.loaded) * (1000 / timeDiff) * 8; - this.loaded = loaded; - this.timestamp = now; - } - return this.bitrate; - }; - }, - - _isXHRUpload: function (options) { - return !options.forceIframeTransport && - ((!options.multipart && $.support.xhrFileUpload) || - $.support.xhrFormDataFileUpload); - }, - - _getFormData: function (options) { - var formData; - if ($.type(options.formData) === 'function') { - return options.formData(options.form); - } - if ($.isArray(options.formData)) { - return options.formData; - } - if ($.type(options.formData) === 'object') { - formData = []; - $.each(options.formData, function (name, value) { - formData.push({name: name, value: value}); - }); - return formData; - } - return []; - }, - - _getTotal: function (files) { - var total = 0; - $.each(files, function (index, file) { - total += file.size || 1; + _BitrateTimer: function() { + this.timestamp = Date.now ? Date.now() : new Date().getTime(); + this.loaded = 0; + this.bitrate = 0; + this.getBitrate = function(now, loaded, interval) { + var timeDiff = now - this.timestamp; + if (!this.bitrate || !interval || timeDiff > interval) { + this.bitrate = (loaded - this.loaded) * (1000 / timeDiff) * 8; + this.loaded = loaded; + this.timestamp = now; + } + return this.bitrate; + }; + }, + + _isXHRUpload: function(options) { + return ( + !options.forceIframeTransport && + ((!options.multipart && $.support.xhrFileUpload) || + $.support.xhrFormDataFileUpload) + ); + }, + + _getFormData: function(options) { + var formData; + if ($.type(options.formData) === 'function') { + return options.formData(options.form); + } + if ($.isArray(options.formData)) { + return options.formData; + } + if ($.type(options.formData) === 'object') { + formData = []; + $.each(options.formData, function(name, value) { + formData.push({ name: name, value: value }); + }); + return formData; + } + return []; + }, + + _getTotal: function(files) { + var total = 0; + $.each(files, function(index, file) { + total += file.size || 1; + }); + return total; + }, + + _initProgressObject: function(obj) { + var progress = { + loaded: 0, + total: 0, + bitrate: 0 + }; + if (obj._progress) { + $.extend(obj._progress, progress); + } else { + obj._progress = progress; + } + }, + + _initResponseObject: function(obj) { + var prop; + if (obj._response) { + for (prop in obj._response) { + if (Object.prototype.hasOwnProperty.call(obj._response, prop)) { + delete obj._response[prop]; + } + } + } else { + obj._response = {}; + } + }, + + _onProgress: function(e, data) { + if (e.lengthComputable) { + var now = Date.now ? Date.now() : new Date().getTime(), + loaded; + if ( + data._time && + data.progressInterval && + now - data._time < data.progressInterval && + e.loaded !== e.total + ) { + return; + } + data._time = now; + loaded = + Math.floor( + (e.loaded / e.total) * (data.chunkSize || data._progress.total) + ) + (data.uploadedBytes || 0); + // Add the difference from the previously loaded state + // to the global loaded counter: + this._progress.loaded += loaded - data._progress.loaded; + this._progress.bitrate = this._bitrateTimer.getBitrate( + now, + this._progress.loaded, + data.bitrateInterval + ); + data._progress.loaded = data.loaded = loaded; + data._progress.bitrate = data.bitrate = data._bitrateTimer.getBitrate( + now, + loaded, + data.bitrateInterval + ); + // Trigger a custom progress event with a total data property set + // to the file size(s) of the current upload and a loaded data + // property calculated accordingly: + this._trigger( + 'progress', + $.Event('progress', { delegatedEvent: e }), + data + ); + // Trigger a global progress event for all current file uploads, + // including ajax calls queued for sequential file uploads: + this._trigger( + 'progressall', + $.Event('progressall', { delegatedEvent: e }), + this._progress + ); + } + }, + + _initProgressListener: function(options) { + var that = this, + xhr = options.xhr ? options.xhr() : $.ajaxSettings.xhr(); + // Accesss to the native XHR object is required to add event listeners + // for the upload progress event: + if (xhr.upload) { + $(xhr.upload).bind('progress', function(e) { + var oe = e.originalEvent; + // Make sure the progress event properties get copied over: + e.lengthComputable = oe.lengthComputable; + e.loaded = oe.loaded; + e.total = oe.total; + that._onProgress(e, options); + }); + options.xhr = function() { + return xhr; + }; + } + }, + + _deinitProgressListener: function(options) { + var xhr = options.xhr ? options.xhr() : $.ajaxSettings.xhr(); + if (xhr.upload) { + $(xhr.upload).unbind('progress'); + } + }, + + _isInstanceOf: function(type, obj) { + // Cross-frame instanceof check + return Object.prototype.toString.call(obj) === '[object ' + type + ']'; + }, + + _getUniqueFilename: function(name, map) { + // eslint-disable-next-line no-param-reassign + name = String(name); + if (map[name]) { + // eslint-disable-next-line no-param-reassign + name = name.replace(/(?: \(([\d]+)\))?(\.[^.]+)?$/, function( + _, + p1, + p2 + ) { + var index = p1 ? Number(p1) + 1 : 1; + var ext = p2 || ''; + return ' (' + index + ')' + ext; + }); + return this._getUniqueFilename(name, map); + } + map[name] = true; + return name; + }, + + _initXHRData: function(options) { + var that = this, + formData, + file = options.files[0], + // Ignore non-multipart setting if not supported: + multipart = options.multipart || !$.support.xhrFileUpload, + paramName = + $.type(options.paramName) === 'array' + ? options.paramName[0] + : options.paramName; + options.headers = $.extend({}, options.headers); + if (options.contentRange) { + options.headers['Content-Range'] = options.contentRange; + } + if (!multipart || options.blob || !this._isInstanceOf('File', file)) { + options.headers['Content-Disposition'] = + 'attachment; filename="' + + encodeURI(file.uploadName || file.name) + + '"'; + } + if (!multipart) { + options.contentType = file.type || 'application/octet-stream'; + options.data = options.blob || file; + } else if ($.support.xhrFormDataFileUpload) { + if (options.postMessage) { + // window.postMessage does not allow sending FormData + // objects, so we just add the File/Blob objects to + // the formData array and let the postMessage window + // create the FormData object out of this array: + formData = this._getFormData(options); + if (options.blob) { + formData.push({ + name: paramName, + value: options.blob }); - return total; - }, - - _initProgressObject: function (obj) { - var progress = { - loaded: 0, - total: 0, - bitrate: 0 - }; - if (obj._progress) { - $.extend(obj._progress, progress); - } else { - obj._progress = progress; - } - }, - - _initResponseObject: function (obj) { - var prop; - if (obj._response) { - for (prop in obj._response) { - if (obj._response.hasOwnProperty(prop)) { - delete obj._response[prop]; - } - } - } else { - obj._response = {}; - } - }, - - _onProgress: function (e, data) { - if (e.lengthComputable) { - var now = ((Date.now) ? Date.now() : (new Date()).getTime()), - loaded; - if (data._time && data.progressInterval && - (now - data._time < data.progressInterval) && - e.loaded !== e.total) { - return; - } - data._time = now; - loaded = Math.floor( - e.loaded / e.total * (data.chunkSize || data._progress.total) - ) + (data.uploadedBytes || 0); - // Add the difference from the previously loaded state - // to the global loaded counter: - this._progress.loaded += (loaded - data._progress.loaded); - this._progress.bitrate = this._bitrateTimer.getBitrate( - now, - this._progress.loaded, - data.bitrateInterval - ); - data._progress.loaded = data.loaded = loaded; - data._progress.bitrate = data.bitrate = data._bitrateTimer.getBitrate( - now, - loaded, - data.bitrateInterval - ); - // Trigger a custom progress event with a total data property set - // to the file size(s) of the current upload and a loaded data - // property calculated accordingly: - this._trigger( - 'progress', - $.Event('progress', {delegatedEvent: e}), - data - ); - // Trigger a global progress event for all current file uploads, - // including ajax calls queued for sequential file uploads: - this._trigger( - 'progressall', - $.Event('progressall', {delegatedEvent: e}), - this._progress - ); - } - }, - - _initProgressListener: function (options) { - var that = this, - xhr = options.xhr ? options.xhr() : $.ajaxSettings.xhr(); - // Accesss to the native XHR object is required to add event listeners - // for the upload progress event: - if (xhr.upload) { - $(xhr.upload).bind('progress', function (e) { - var oe = e.originalEvent; - // Make sure the progress event properties get copied over: - e.lengthComputable = oe.lengthComputable; - e.loaded = oe.loaded; - e.total = oe.total; - that._onProgress(e, options); - }); - options.xhr = function () { - return xhr; - }; - } - }, - - _deinitProgressListener: function (options) { - var xhr = options.xhr ? options.xhr() : $.ajaxSettings.xhr(); - if (xhr.upload) { - $(xhr.upload).unbind('progress'); - } - }, - - _isInstanceOf: function (type, obj) { - // Cross-frame instanceof check - return Object.prototype.toString.call(obj) === '[object ' + type + ']'; - }, - - _initXHRData: function (options) { - var that = this, - formData, - file = options.files[0], - // Ignore non-multipart setting if not supported: - multipart = options.multipart || !$.support.xhrFileUpload, - paramName = $.type(options.paramName) === 'array' ? - options.paramName[0] : options.paramName; - options.headers = $.extend({}, options.headers); - if (options.contentRange) { - options.headers['Content-Range'] = options.contentRange; - } - if (!multipart || options.blob || !this._isInstanceOf('File', file)) { - options.headers['Content-Disposition'] = 'attachment; filename="' + - encodeURI(file.uploadName || file.name) + '"'; - } - if (!multipart) { - options.contentType = file.type || 'application/octet-stream'; - options.data = options.blob || file; - } else if ($.support.xhrFormDataFileUpload) { - if (options.postMessage) { - // window.postMessage does not allow sending FormData - // objects, so we just add the File/Blob objects to - // the formData array and let the postMessage window - // create the FormData object out of this array: - formData = this._getFormData(options); - if (options.blob) { - formData.push({ - name: paramName, - value: options.blob - }); - } else { - $.each(options.files, function (index, file) { - formData.push({ - name: ($.type(options.paramName) === 'array' && - options.paramName[index]) || paramName, - value: file - }); - }); - } - } else { - if (that._isInstanceOf('FormData', options.formData)) { - formData = options.formData; - } else { - formData = new FormData(); - $.each(this._getFormData(options), function (index, field) { - formData.append(field.name, field.value); - }); - } - if (options.blob) { - formData.append( - paramName, - options.blob, - file.uploadName || file.name - ); - } else { - $.each(options.files, function (index, file) { - // This check allows the tests to run with - // dummy objects: - if (that._isInstanceOf('File', file) || - that._isInstanceOf('Blob', file)) { - formData.append( - ($.type(options.paramName) === 'array' && - options.paramName[index]) || paramName, - file, - file.uploadName || file.name - ); - } - }); - } - } - options.data = formData; - } - // Blob reference is not needed anymore, free memory: - options.blob = null; - }, - - _initIframeSettings: function (options) { - var targetHost = $('<a></a>').prop('href', options.url).prop('host'); - // Setting the dataType to iframe enables the iframe transport: - options.dataType = 'iframe ' + (options.dataType || ''); - // The iframe transport accepts a serialized array as form data: - options.formData = this._getFormData(options); - // Add redirect url to form data on cross-domain uploads: - if (options.redirect && targetHost && targetHost !== location.host) { - options.formData.push({ - name: options.redirectParamName || 'redirect', - value: options.redirect - }); - } - }, - - _initDataSettings: function (options) { - if (this._isXHRUpload(options)) { - if (!this._chunkedUpload(options, true)) { - if (!options.data) { - this._initXHRData(options); - } - this._initProgressListener(options); - } - if (options.postMessage) { - // Setting the dataType to postmessage enables the - // postMessage transport: - options.dataType = 'postmessage ' + (options.dataType || ''); - } - } else { - this._initIframeSettings(options); - } - }, - - _getParamName: function (options) { - var fileInput = $(options.fileInput), - paramName = options.paramName; - if (!paramName) { - paramName = []; - fileInput.each(function () { - var input = $(this), - name = input.prop('name') || 'files[]', - i = (input.prop('files') || [1]).length; - while (i) { - paramName.push(name); - i -= 1; - } - }); - if (!paramName.length) { - paramName = [fileInput.prop('name') || 'files[]']; - } - } else if (!$.isArray(paramName)) { - paramName = [paramName]; - } - return paramName; - }, - - _initFormSettings: function (options) { - // Retrieve missing options from the input field and the - // associated form, if available: - if (!options.form || !options.form.length) { - options.form = $(options.fileInput.prop('form')); - // If the given file input doesn't have an associated form, - // use the default widget file input's form: - if (!options.form.length) { - options.form = $(this.options.fileInput.prop('form')); - } - } - options.paramName = this._getParamName(options); - if (!options.url) { - options.url = options.form.prop('action') || location.href; - } - // The HTTP request method must be "POST" or "PUT": - options.type = (options.type || - ($.type(options.form.prop('method')) === 'string' && - options.form.prop('method')) || '' - ).toUpperCase(); - if (options.type !== 'POST' && options.type !== 'PUT' && - options.type !== 'PATCH') { - options.type = 'POST'; - } - if (!options.formAcceptCharset) { - options.formAcceptCharset = options.form.attr('accept-charset'); - } - }, - - _getAJAXSettings: function (data) { - var options = $.extend({}, this.options, data); - this._initFormSettings(options); - this._initDataSettings(options); - return options; - }, - - // jQuery 1.6 doesn't provide .state(), - // while jQuery 1.8+ removed .isRejected() and .isResolved(): - _getDeferredState: function (deferred) { - if (deferred.state) { - return deferred.state(); - } - if (deferred.isResolved()) { - return 'resolved'; - } - if (deferred.isRejected()) { - return 'rejected'; - } - return 'pending'; - }, - - // Maps jqXHR callbacks to the equivalent - // methods of the given Promise object: - _enhancePromise: function (promise) { - promise.success = promise.done; - promise.error = promise.fail; - promise.complete = promise.always; - return promise; - }, - - // Creates and returns a Promise object enhanced with - // the jqXHR methods abort, success, error and complete: - _getXHRPromise: function (resolveOrReject, context, args) { - var dfd = $.Deferred(), - promise = dfd.promise(); - context = context || this.options.context || promise; - if (resolveOrReject === true) { - dfd.resolveWith(context, args); - } else if (resolveOrReject === false) { - dfd.rejectWith(context, args); - } - promise.abort = dfd.promise; - return this._enhancePromise(promise); - }, - - // Adds convenience methods to the data callback argument: - _addConvenienceMethods: function (e, data) { - var that = this, - getPromise = function (args) { - return $.Deferred().resolveWith(that, args).promise(); - }; - data.process = function (resolveFunc, rejectFunc) { - if (resolveFunc || rejectFunc) { - data._processQueue = this._processQueue = - (this._processQueue || getPromise([this])).then( - function () { - if (data.errorThrown) { - return $.Deferred() - .rejectWith(that, [data]).promise(); - } - return getPromise(arguments); - } - ).then(resolveFunc, rejectFunc); - } - return this._processQueue || getPromise([this]); - }; - data.submit = function () { - if (this.state() !== 'pending') { - data.jqXHR = this.jqXHR = - (that._trigger( - 'submit', - $.Event('submit', {delegatedEvent: e}), - this - ) !== false) && that._onSend(e, this); - } - return this.jqXHR || that._getXHRPromise(); - }; - data.abort = function () { - if (this.jqXHR) { - return this.jqXHR.abort(); - } - this.errorThrown = 'abort'; - that._trigger('fail', null, this); - return that._getXHRPromise(false); - }; - data.state = function () { - if (this.jqXHR) { - return that._getDeferredState(this.jqXHR); - } - if (this._processQueue) { - return that._getDeferredState(this._processQueue); - } - }; - data.processing = function () { - return !this.jqXHR && this._processQueue && that - ._getDeferredState(this._processQueue) === 'pending'; - }; - data.progress = function () { - return this._progress; - }; - data.response = function () { - return this._response; - }; - }, - - // Parses the Range header from the server response - // and returns the uploaded bytes: - _getUploadedBytes: function (jqXHR) { - var range = jqXHR.getResponseHeader('Range'), - parts = range && range.split('-'), - upperBytesPos = parts && parts.length > 1 && - parseInt(parts[1], 10); - return upperBytesPos && upperBytesPos + 1; - }, - - // Uploads a file in multiple, sequential requests - // by splitting the file up in multiple blob chunks. - // If the second parameter is true, only tests if the file - // should be uploaded in chunks, but does not invoke any - // upload requests: - _chunkedUpload: function (options, testOnly) { - options.uploadedBytes = options.uploadedBytes || 0; - var that = this, - file = options.files[0], - fs = file.size, - ub = options.uploadedBytes, - mcs = options.maxChunkSize || fs, - slice = this._blobSlice, - dfd = $.Deferred(), - promise = dfd.promise(), - jqXHR, - upload; - if (!(this._isXHRUpload(options) && slice && (ub || ($.type(mcs) === 'function' ? mcs(options) : mcs) < fs)) || - options.data) { - return false; - } - if (testOnly) { - return true; - } - if (ub >= fs) { - file.error = options.i18n('uploadedBytes'); - return this._getXHRPromise( - false, - options.context, - [null, 'error', file.error] - ); - } - // The chunk upload method: - upload = function () { - // Clone the options object for each chunk upload: - var o = $.extend({}, options), - currentLoaded = o._progress.loaded; - o.blob = slice.call( - file, - ub, - ub + ($.type(mcs) === 'function' ? mcs(o) : mcs), - file.type - ); - // Store the current chunk size, as the blob itself - // will be dereferenced after data processing: - o.chunkSize = o.blob.size; - // Expose the chunk bytes position range: - o.contentRange = 'bytes ' + ub + '-' + - (ub + o.chunkSize - 1) + '/' + fs; - // Trigger chunkbeforesend to allow form data to be updated for this chunk - that._trigger('chunkbeforesend', null, o); - // Process the upload data (the blob and potential form data): - that._initXHRData(o); - // Add progress listeners for this chunk upload: - that._initProgressListener(o); - jqXHR = ((that._trigger('chunksend', null, o) !== false && $.ajax(o)) || - that._getXHRPromise(false, o.context)) - .done(function (result, textStatus, jqXHR) { - ub = that._getUploadedBytes(jqXHR) || - (ub + o.chunkSize); - // Create a progress event if no final progress event - // with loaded equaling total has been triggered - // for this chunk: - if (currentLoaded + o.chunkSize - o._progress.loaded) { - that._onProgress($.Event('progress', { - lengthComputable: true, - loaded: ub - o.uploadedBytes, - total: ub - o.uploadedBytes - }), o); - } - options.uploadedBytes = o.uploadedBytes = ub; - o.result = result; - o.textStatus = textStatus; - o.jqXHR = jqXHR; - that._trigger('chunkdone', null, o); - that._trigger('chunkalways', null, o); - if (ub < fs) { - // File upload not yet complete, - // continue with the next chunk: - upload(); - } else { - dfd.resolveWith( - o.context, - [result, textStatus, jqXHR] - ); - } - }) - .fail(function (jqXHR, textStatus, errorThrown) { - o.jqXHR = jqXHR; - o.textStatus = textStatus; - o.errorThrown = errorThrown; - that._trigger('chunkfail', null, o); - that._trigger('chunkalways', null, o); - dfd.rejectWith( - o.context, - [jqXHR, textStatus, errorThrown] - ); - }) - .always(function () { - that._deinitProgressListener(o); - }); - }; - this._enhancePromise(promise); - promise.abort = function () { - return jqXHR.abort(); - }; - upload(); - return promise; - }, - - _beforeSend: function (e, data) { - if (this._active === 0) { - // the start callback is triggered when an upload starts - // and no other uploads are currently running, - // equivalent to the global ajaxStart event: - this._trigger('start'); - // Set timer for global bitrate progress calculation: - this._bitrateTimer = new this._BitrateTimer(); - // Reset the global progress values: - this._progress.loaded = this._progress.total = 0; - this._progress.bitrate = 0; - } - // Make sure the container objects for the .response() and - // .progress() methods on the data object are available - // and reset to their initial state: - this._initResponseObject(data); - this._initProgressObject(data); - data._progress.loaded = data.loaded = data.uploadedBytes || 0; - data._progress.total = data.total = this._getTotal(data.files) || 1; - data._progress.bitrate = data.bitrate = 0; - this._active += 1; - // Initialize the global progress values: - this._progress.loaded += data.loaded; - this._progress.total += data.total; - }, - - _onDone: function (result, textStatus, jqXHR, options) { - var total = options._progress.total, - response = options._response; - if (options._progress.loaded < total) { - // Create a progress event if no final progress event - // with loaded equaling total has been triggered: - this._onProgress($.Event('progress', { - lengthComputable: true, - loaded: total, - total: total - }), options); - } - response.result = options.result = result; - response.textStatus = options.textStatus = textStatus; - response.jqXHR = options.jqXHR = jqXHR; - this._trigger('done', null, options); - }, - - _onFail: function (jqXHR, textStatus, errorThrown, options) { - var response = options._response; - if (options.recalculateProgress) { - // Remove the failed (error or abort) file upload from - // the global progress calculation: - this._progress.loaded -= options._progress.loaded; - this._progress.total -= options._progress.total; - } - response.jqXHR = options.jqXHR = jqXHR; - response.textStatus = options.textStatus = textStatus; - response.errorThrown = options.errorThrown = errorThrown; - this._trigger('fail', null, options); - }, - - _onAlways: function (jqXHRorResult, textStatus, jqXHRorError, options) { - // jqXHRorResult, textStatus and jqXHRorError are added to the - // options object via done and fail callbacks - this._trigger('always', null, options); - }, - - _onSend: function (e, data) { - if (!data.submit) { - this._addConvenienceMethods(e, data); - } - var that = this, - jqXHR, - aborted, - slot, - pipe, - options = that._getAJAXSettings(data), - send = function () { - that._sending += 1; - // Set timer for bitrate progress calculation: - options._bitrateTimer = new that._BitrateTimer(); - jqXHR = jqXHR || ( - ((aborted || that._trigger( - 'send', - $.Event('send', {delegatedEvent: e}), - options - ) === false) && - that._getXHRPromise(false, options.context, aborted)) || - that._chunkedUpload(options) || $.ajax(options) - ).done(function (result, textStatus, jqXHR) { - that._onDone(result, textStatus, jqXHR, options); - }).fail(function (jqXHR, textStatus, errorThrown) { - that._onFail(jqXHR, textStatus, errorThrown, options); - }).always(function (jqXHRorResult, textStatus, jqXHRorError) { - that._deinitProgressListener(options); - that._onAlways( - jqXHRorResult, - textStatus, - jqXHRorError, - options - ); - that._sending -= 1; - that._active -= 1; - if (options.limitConcurrentUploads && - options.limitConcurrentUploads > that._sending) { - // Start the next queued upload, - // that has not been aborted: - var nextSlot = that._slots.shift(); - while (nextSlot) { - if (that._getDeferredState(nextSlot) === 'pending') { - nextSlot.resolve(); - break; - } - nextSlot = that._slots.shift(); - } - } - if (that._active === 0) { - // The stop callback is triggered when all uploads have - // been completed, equivalent to the global ajaxStop event: - that._trigger('stop'); - } - }); - return jqXHR; - }; - this._beforeSend(e, options); - if (this.options.sequentialUploads || - (this.options.limitConcurrentUploads && - this.options.limitConcurrentUploads <= this._sending)) { - if (this.options.limitConcurrentUploads > 1) { - slot = $.Deferred(); - this._slots.push(slot); - pipe = slot.then(send); - } else { - this._sequence = this._sequence.then(send, send); - pipe = this._sequence; - } - // Return the piped Promise object, enhanced with an abort method, - // which is delegated to the jqXHR object of the current upload, - // and jqXHR callbacks mapped to the equivalent Promise methods: - pipe.abort = function () { - aborted = [undefined, 'abort', 'abort']; - if (!jqXHR) { - if (slot) { - slot.rejectWith(options.context, aborted); - } - return send(); - } - return jqXHR.abort(); - }; - return this._enhancePromise(pipe); - } - return send(); - }, - - _onAdd: function (e, data) { - var that = this, - result = true, - options = $.extend({}, this.options, data), - files = data.files, - filesLength = files.length, - limit = options.limitMultiFileUploads, - limitSize = options.limitMultiFileUploadSize, - overhead = options.limitMultiFileUploadSizeOverhead, - batchSize = 0, - paramName = this._getParamName(options), - paramNameSet, - paramNameSlice, - fileSet, - i, - j = 0; - if (!filesLength) { - return false; - } - if (limitSize && files[0].size === undefined) { - limitSize = undefined; - } - if (!(options.singleFileUploads || limit || limitSize) || - !this._isXHRUpload(options)) { - fileSet = [files]; - paramNameSet = [paramName]; - } else if (!(options.singleFileUploads || limitSize) && limit) { - fileSet = []; - paramNameSet = []; - for (i = 0; i < filesLength; i += limit) { - fileSet.push(files.slice(i, i + limit)); - paramNameSlice = paramName.slice(i, i + limit); - if (!paramNameSlice.length) { - paramNameSlice = paramName; - } - paramNameSet.push(paramNameSlice); - } - } else if (!options.singleFileUploads && limitSize) { - fileSet = []; - paramNameSet = []; - for (i = 0; i < filesLength; i = i + 1) { - batchSize += files[i].size + overhead; - if (i + 1 === filesLength || - ((batchSize + files[i + 1].size + overhead) > limitSize) || - (limit && i + 1 - j >= limit)) { - fileSet.push(files.slice(j, i + 1)); - paramNameSlice = paramName.slice(j, i + 1); - if (!paramNameSlice.length) { - paramNameSlice = paramName; - } - paramNameSet.push(paramNameSlice); - j = i + 1; - batchSize = 0; - } - } - } else { - paramNameSet = paramName; - } - data.originalFiles = files; - $.each(fileSet || files, function (index, element) { - var newData = $.extend({}, data); - newData.files = fileSet ? element : [element]; - newData.paramName = paramNameSet[index]; - that._initResponseObject(newData); - that._initProgressObject(newData); - that._addConvenienceMethods(e, newData); - result = that._trigger( - 'add', - $.Event('add', {delegatedEvent: e}), - newData - ); - return result; + } else { + $.each(options.files, function(index, file) { + formData.push({ + name: + ($.type(options.paramName) === 'array' && + options.paramName[index]) || + paramName, + value: file + }); }); - return result; - }, - - _replaceFileInput: function (data) { - var input = data.fileInput, - inputClone = input.clone(true), - restoreFocus = input.is(document.activeElement); - // Add a reference for the new cloned file input to the data argument: - data.fileInputClone = inputClone; - $('<form></form>').append(inputClone)[0].reset(); - // Detaching allows to insert the fileInput on another form - // without loosing the file input value: - input.after(inputClone).detach(); - // If the fileInput had focus before it was detached, - // restore focus to the inputClone. - if (restoreFocus) { - inputClone.focus(); - } - // Avoid memory leaks with the detached file input: - $.cleanData(input.unbind('remove')); - // Replace the original file input element in the fileInput - // elements set with the clone, which has been copied including - // event handlers: - this.options.fileInput = this.options.fileInput.map(function (i, el) { - if (el === input[0]) { - return inputClone[0]; - } - return el; + } + } else { + if (that._isInstanceOf('FormData', options.formData)) { + formData = options.formData; + } else { + formData = new FormData(); + $.each(this._getFormData(options), function(index, field) { + formData.append(field.name, field.value); }); - // If the widget has been initialized on the file input itself, - // override this.element with the file input clone: - if (input[0] === this.element[0]) { - this.element = inputClone; - } - }, - - _handleFileTreeEntry: function (entry, path) { - var that = this, - dfd = $.Deferred(), - entries = [], - dirReader, - errorHandler = function (e) { - if (e && !e.entry) { - e.entry = entry; - } - // Since $.when returns immediately if one - // Deferred is rejected, we use resolve instead. - // This allows valid files and invalid items - // to be returned together in one set: - dfd.resolve([e]); - }, - successHandler = function (entries) { - that._handleFileTreeEntries( - entries, - path + entry.name + '/' - ).done(function (files) { - dfd.resolve(files); - }).fail(errorHandler); - }, - readEntries = function () { - dirReader.readEntries(function (results) { - if (!results.length) { - successHandler(entries); - } else { - entries = entries.concat(results); - readEntries(); - } - }, errorHandler); - }; - path = path || ''; - if (entry.isFile) { - if (entry._file) { - // Workaround for Chrome bug #149735 - entry._file.relativePath = path; - dfd.resolve(entry._file); - } else { - entry.file(function (file) { - file.relativePath = path; - dfd.resolve(file); - }, errorHandler); + } + if (options.blob) { + formData.append( + paramName, + options.blob, + file.uploadName || file.name + ); + } else { + $.each(options.files, function(index, file) { + // This check allows the tests to run with + // dummy objects: + if ( + that._isInstanceOf('File', file) || + that._isInstanceOf('Blob', file) + ) { + var fileName = file.uploadName || file.name; + if (options.uniqueFilenames) { + fileName = that._getUniqueFilename( + fileName, + options.uniqueFilenames + ); } - } else if (entry.isDirectory) { - dirReader = entry.createReader(); - readEntries(); - } else { - // Return an empty list for file system items - // other than files or directories: - dfd.resolve([]); - } - return dfd.promise(); - }, - - _handleFileTreeEntries: function (entries, path) { - var that = this; - return $.when.apply( - $, - $.map(entries, function (entry) { - return that._handleFileTreeEntry(entry, path); - }) - ).then(function () { - return Array.prototype.concat.apply( - [], - arguments + formData.append( + ($.type(options.paramName) === 'array' && + options.paramName[index]) || + paramName, + file, + fileName ); + } }); - }, - - _getDroppedFiles: function (dataTransfer) { - dataTransfer = dataTransfer || {}; - var items = dataTransfer.items; - if (items && items.length && (items[0].webkitGetAsEntry || - items[0].getAsEntry)) { - return this._handleFileTreeEntries( - $.map(items, function (item) { - var entry; - if (item.webkitGetAsEntry) { - entry = item.webkitGetAsEntry(); - if (entry) { - // Workaround for Chrome bug #149735: - entry._file = item.getAsFile(); - } - return entry; - } - return item.getAsEntry(); - }) - ); - } - return $.Deferred().resolve( - $.makeArray(dataTransfer.files) - ).promise(); - }, - - _getSingleFileInputFiles: function (fileInput) { - fileInput = $(fileInput); - var entries = fileInput.prop('webkitEntries') || - fileInput.prop('entries'), - files, - value; - if (entries && entries.length) { - return this._handleFileTreeEntries(entries); - } - files = $.makeArray(fileInput.prop('files')); - if (!files.length) { - value = fileInput.prop('value'); - if (!value) { - return $.Deferred().resolve([]).promise(); - } - // If the files property is not available, the browser does not - // support the File API and we add a pseudo File object with - // the input value as name with path information removed: - files = [{name: value.replace(/^.*\\/, '')}]; - } else if (files[0].name === undefined && files[0].fileName) { - // File normalization for Safari 4 and Firefox 3: - $.each(files, function (index, file) { - file.name = file.fileName; - file.size = file.fileSize; - }); + } + } + options.data = formData; + } + // Blob reference is not needed anymore, free memory: + options.blob = null; + }, + + _initIframeSettings: function(options) { + var targetHost = $('<a></a>') + .prop('href', options.url) + .prop('host'); + // Setting the dataType to iframe enables the iframe transport: + options.dataType = 'iframe ' + (options.dataType || ''); + // The iframe transport accepts a serialized array as form data: + options.formData = this._getFormData(options); + // Add redirect url to form data on cross-domain uploads: + if (options.redirect && targetHost && targetHost !== location.host) { + options.formData.push({ + name: options.redirectParamName || 'redirect', + value: options.redirect + }); + } + }, + + _initDataSettings: function(options) { + if (this._isXHRUpload(options)) { + if (!this._chunkedUpload(options, true)) { + if (!options.data) { + this._initXHRData(options); + } + this._initProgressListener(options); + } + if (options.postMessage) { + // Setting the dataType to postmessage enables the + // postMessage transport: + options.dataType = 'postmessage ' + (options.dataType || ''); + } + } else { + this._initIframeSettings(options); + } + }, + + _getParamName: function(options) { + var fileInput = $(options.fileInput), + paramName = options.paramName; + if (!paramName) { + paramName = []; + fileInput.each(function() { + var input = $(this), + name = input.prop('name') || 'files[]', + i = (input.prop('files') || [1]).length; + while (i) { + paramName.push(name); + i -= 1; + } + }); + if (!paramName.length) { + paramName = [fileInput.prop('name') || 'files[]']; + } + } else if (!$.isArray(paramName)) { + paramName = [paramName]; + } + return paramName; + }, + + _initFormSettings: function(options) { + // Retrieve missing options from the input field and the + // associated form, if available: + if (!options.form || !options.form.length) { + options.form = $(options.fileInput.prop('form')); + // If the given file input doesn't have an associated form, + // use the default widget file input's form: + if (!options.form.length) { + options.form = $(this.options.fileInput.prop('form')); + } + } + options.paramName = this._getParamName(options); + if (!options.url) { + options.url = options.form.prop('action') || location.href; + } + // The HTTP request method must be "POST" or "PUT": + options.type = ( + options.type || + ($.type(options.form.prop('method')) === 'string' && + options.form.prop('method')) || + '' + ).toUpperCase(); + if ( + options.type !== 'POST' && + options.type !== 'PUT' && + options.type !== 'PATCH' + ) { + options.type = 'POST'; + } + if (!options.formAcceptCharset) { + options.formAcceptCharset = options.form.attr('accept-charset'); + } + }, + + _getAJAXSettings: function(data) { + var options = $.extend({}, this.options, data); + this._initFormSettings(options); + this._initDataSettings(options); + return options; + }, + + // jQuery 1.6 doesn't provide .state(), + // while jQuery 1.8+ removed .isRejected() and .isResolved(): + _getDeferredState: function(deferred) { + if (deferred.state) { + return deferred.state(); + } + if (deferred.isResolved()) { + return 'resolved'; + } + if (deferred.isRejected()) { + return 'rejected'; + } + return 'pending'; + }, + + // Maps jqXHR callbacks to the equivalent + // methods of the given Promise object: + _enhancePromise: function(promise) { + promise.success = promise.done; + promise.error = promise.fail; + promise.complete = promise.always; + return promise; + }, + + // Creates and returns a Promise object enhanced with + // the jqXHR methods abort, success, error and complete: + _getXHRPromise: function(resolveOrReject, context, args) { + var dfd = $.Deferred(), + promise = dfd.promise(); + // eslint-disable-next-line no-param-reassign + context = context || this.options.context || promise; + if (resolveOrReject === true) { + dfd.resolveWith(context, args); + } else if (resolveOrReject === false) { + dfd.rejectWith(context, args); + } + promise.abort = dfd.promise; + return this._enhancePromise(promise); + }, + + // Adds convenience methods to the data callback argument: + _addConvenienceMethods: function(e, data) { + var that = this, + getPromise = function(args) { + return $.Deferred() + .resolveWith(that, args) + .promise(); + }; + data.process = function(resolveFunc, rejectFunc) { + if (resolveFunc || rejectFunc) { + data._processQueue = this._processQueue = ( + this._processQueue || getPromise([this]) + ) + .then(function() { + if (data.errorThrown) { + return $.Deferred() + .rejectWith(that, [data]) + .promise(); + } + return getPromise(arguments); + }) + .then(resolveFunc, rejectFunc); + } + return this._processQueue || getPromise([this]); + }; + data.submit = function() { + if (this.state() !== 'pending') { + data.jqXHR = this.jqXHR = + that._trigger( + 'submit', + $.Event('submit', { delegatedEvent: e }), + this + ) !== false && that._onSend(e, this); + } + return this.jqXHR || that._getXHRPromise(); + }; + data.abort = function() { + if (this.jqXHR) { + return this.jqXHR.abort(); + } + this.errorThrown = 'abort'; + that._trigger('fail', null, this); + return that._getXHRPromise(false); + }; + data.state = function() { + if (this.jqXHR) { + return that._getDeferredState(this.jqXHR); + } + if (this._processQueue) { + return that._getDeferredState(this._processQueue); + } + }; + data.processing = function() { + return ( + !this.jqXHR && + this._processQueue && + that._getDeferredState(this._processQueue) === 'pending' + ); + }; + data.progress = function() { + return this._progress; + }; + data.response = function() { + return this._response; + }; + }, + + // Parses the Range header from the server response + // and returns the uploaded bytes: + _getUploadedBytes: function(jqXHR) { + var range = jqXHR.getResponseHeader('Range'), + parts = range && range.split('-'), + upperBytesPos = parts && parts.length > 1 && parseInt(parts[1], 10); + return upperBytesPos && upperBytesPos + 1; + }, + + // Uploads a file in multiple, sequential requests + // by splitting the file up in multiple blob chunks. + // If the second parameter is true, only tests if the file + // should be uploaded in chunks, but does not invoke any + // upload requests: + _chunkedUpload: function(options, testOnly) { + options.uploadedBytes = options.uploadedBytes || 0; + var that = this, + file = options.files[0], + fs = file.size, + ub = options.uploadedBytes, + mcs = options.maxChunkSize || fs, + slice = this._blobSlice, + dfd = $.Deferred(), + promise = dfd.promise(), + jqXHR, + upload; + if ( + !( + this._isXHRUpload(options) && + slice && + (ub || ($.type(mcs) === 'function' ? mcs(options) : mcs) < fs) + ) || + options.data + ) { + return false; + } + if (testOnly) { + return true; + } + if (ub >= fs) { + file.error = options.i18n('uploadedBytes'); + return this._getXHRPromise(false, options.context, [ + null, + 'error', + file.error + ]); + } + // The chunk upload method: + upload = function() { + // Clone the options object for each chunk upload: + var o = $.extend({}, options), + currentLoaded = o._progress.loaded; + o.blob = slice.call( + file, + ub, + ub + ($.type(mcs) === 'function' ? mcs(o) : mcs), + file.type + ); + // Store the current chunk size, as the blob itself + // will be dereferenced after data processing: + o.chunkSize = o.blob.size; + // Expose the chunk bytes position range: + o.contentRange = + 'bytes ' + ub + '-' + (ub + o.chunkSize - 1) + '/' + fs; + // Trigger chunkbeforesend to allow form data to be updated for this chunk + that._trigger('chunkbeforesend', null, o); + // Process the upload data (the blob and potential form data): + that._initXHRData(o); + // Add progress listeners for this chunk upload: + that._initProgressListener(o); + jqXHR = ( + (that._trigger('chunksend', null, o) !== false && $.ajax(o)) || + that._getXHRPromise(false, o.context) + ) + .done(function(result, textStatus, jqXHR) { + ub = that._getUploadedBytes(jqXHR) || ub + o.chunkSize; + // Create a progress event if no final progress event + // with loaded equaling total has been triggered + // for this chunk: + if (currentLoaded + o.chunkSize - o._progress.loaded) { + that._onProgress( + $.Event('progress', { + lengthComputable: true, + loaded: ub - o.uploadedBytes, + total: ub - o.uploadedBytes + }), + o + ); } - return $.Deferred().resolve(files).promise(); - }, - - _getFileInputFiles: function (fileInput) { - if (!(fileInput instanceof $) || fileInput.length === 1) { - return this._getSingleFileInputFiles(fileInput); + options.uploadedBytes = o.uploadedBytes = ub; + o.result = result; + o.textStatus = textStatus; + o.jqXHR = jqXHR; + that._trigger('chunkdone', null, o); + that._trigger('chunkalways', null, o); + if (ub < fs) { + // File upload not yet complete, + // continue with the next chunk: + upload(); + } else { + dfd.resolveWith(o.context, [result, textStatus, jqXHR]); } - return $.when.apply( - $, - $.map(fileInput, this._getSingleFileInputFiles) - ).then(function () { - return Array.prototype.concat.apply( - [], - arguments + }) + .fail(function(jqXHR, textStatus, errorThrown) { + o.jqXHR = jqXHR; + o.textStatus = textStatus; + o.errorThrown = errorThrown; + that._trigger('chunkfail', null, o); + that._trigger('chunkalways', null, o); + dfd.rejectWith(o.context, [jqXHR, textStatus, errorThrown]); + }) + .always(function() { + that._deinitProgressListener(o); + }); + }; + this._enhancePromise(promise); + promise.abort = function() { + return jqXHR.abort(); + }; + upload(); + return promise; + }, + + _beforeSend: function(e, data) { + if (this._active === 0) { + // the start callback is triggered when an upload starts + // and no other uploads are currently running, + // equivalent to the global ajaxStart event: + this._trigger('start'); + // Set timer for global bitrate progress calculation: + this._bitrateTimer = new this._BitrateTimer(); + // Reset the global progress values: + this._progress.loaded = this._progress.total = 0; + this._progress.bitrate = 0; + } + // Make sure the container objects for the .response() and + // .progress() methods on the data object are available + // and reset to their initial state: + this._initResponseObject(data); + this._initProgressObject(data); + data._progress.loaded = data.loaded = data.uploadedBytes || 0; + data._progress.total = data.total = this._getTotal(data.files) || 1; + data._progress.bitrate = data.bitrate = 0; + this._active += 1; + // Initialize the global progress values: + this._progress.loaded += data.loaded; + this._progress.total += data.total; + }, + + _onDone: function(result, textStatus, jqXHR, options) { + var total = options._progress.total, + response = options._response; + if (options._progress.loaded < total) { + // Create a progress event if no final progress event + // with loaded equaling total has been triggered: + this._onProgress( + $.Event('progress', { + lengthComputable: true, + loaded: total, + total: total + }), + options + ); + } + response.result = options.result = result; + response.textStatus = options.textStatus = textStatus; + response.jqXHR = options.jqXHR = jqXHR; + this._trigger('done', null, options); + }, + + _onFail: function(jqXHR, textStatus, errorThrown, options) { + var response = options._response; + if (options.recalculateProgress) { + // Remove the failed (error or abort) file upload from + // the global progress calculation: + this._progress.loaded -= options._progress.loaded; + this._progress.total -= options._progress.total; + } + response.jqXHR = options.jqXHR = jqXHR; + response.textStatus = options.textStatus = textStatus; + response.errorThrown = options.errorThrown = errorThrown; + this._trigger('fail', null, options); + }, + + _onAlways: function(jqXHRorResult, textStatus, jqXHRorError, options) { + // jqXHRorResult, textStatus and jqXHRorError are added to the + // options object via done and fail callbacks + this._trigger('always', null, options); + }, + + _onSend: function(e, data) { + if (!data.submit) { + this._addConvenienceMethods(e, data); + } + var that = this, + jqXHR, + aborted, + slot, + pipe, + options = that._getAJAXSettings(data), + send = function() { + that._sending += 1; + // Set timer for bitrate progress calculation: + options._bitrateTimer = new that._BitrateTimer(); + jqXHR = + jqXHR || + ( + ((aborted || + that._trigger( + 'send', + $.Event('send', { delegatedEvent: e }), + options + ) === false) && + that._getXHRPromise(false, options.context, aborted)) || + that._chunkedUpload(options) || + $.ajax(options) + ) + .done(function(result, textStatus, jqXHR) { + that._onDone(result, textStatus, jqXHR, options); + }) + .fail(function(jqXHR, textStatus, errorThrown) { + that._onFail(jqXHR, textStatus, errorThrown, options); + }) + .always(function(jqXHRorResult, textStatus, jqXHRorError) { + that._deinitProgressListener(options); + that._onAlways( + jqXHRorResult, + textStatus, + jqXHRorError, + options ); - }); - }, - - _onChange: function (e) { - var that = this, - data = { - fileInput: $(e.target), - form: $(e.target.form) - }; - this._getFileInputFiles(data.fileInput).always(function (files) { - data.files = files; - if (that.options.replaceFileInput) { - that._replaceFileInput(data); - } - if (that._trigger( - 'change', - $.Event('change', {delegatedEvent: e}), - data - ) !== false) { - that._onAdd(e, data); - } - }); - }, - - _onPaste: function (e) { - var items = e.originalEvent && e.originalEvent.clipboardData && - e.originalEvent.clipboardData.items, - data = {files: []}; - if (items && items.length) { - $.each(items, function (index, item) { - var file = item.getAsFile && item.getAsFile(); - if (file) { - data.files.push(file); + that._sending -= 1; + that._active -= 1; + if ( + options.limitConcurrentUploads && + options.limitConcurrentUploads > that._sending + ) { + // Start the next queued upload, + // that has not been aborted: + var nextSlot = that._slots.shift(); + while (nextSlot) { + if (that._getDeferredState(nextSlot) === 'pending') { + nextSlot.resolve(); + break; } - }); - if (this._trigger( - 'paste', - $.Event('paste', {delegatedEvent: e}), - data - ) !== false) { - this._onAdd(e, data); + nextSlot = that._slots.shift(); + } } + if (that._active === 0) { + // The stop callback is triggered when all uploads have + // been completed, equivalent to the global ajaxStop event: + that._trigger('stop'); + } + }); + return jqXHR; + }; + this._beforeSend(e, options); + if ( + this.options.sequentialUploads || + (this.options.limitConcurrentUploads && + this.options.limitConcurrentUploads <= this._sending) + ) { + if (this.options.limitConcurrentUploads > 1) { + slot = $.Deferred(); + this._slots.push(slot); + pipe = slot.then(send); + } else { + this._sequence = this._sequence.then(send, send); + pipe = this._sequence; + } + // Return the piped Promise object, enhanced with an abort method, + // which is delegated to the jqXHR object of the current upload, + // and jqXHR callbacks mapped to the equivalent Promise methods: + pipe.abort = function() { + aborted = [undefined, 'abort', 'abort']; + if (!jqXHR) { + if (slot) { + slot.rejectWith(options.context, aborted); } - }, - - _onDrop: function (e) { - e.dataTransfer = e.originalEvent && e.originalEvent.dataTransfer; - var that = this, - dataTransfer = e.dataTransfer, - data = {}; - if (dataTransfer && dataTransfer.files && dataTransfer.files.length) { - e.preventDefault(); - this._getDroppedFiles(dataTransfer).always(function (files) { - data.files = files; - if (that._trigger( - 'drop', - $.Event('drop', {delegatedEvent: e}), - data - ) !== false) { - that._onAdd(e, data); - } - }); - } - }, - - _onDragOver: getDragHandler('dragover'), - - _onDragEnter: getDragHandler('dragenter'), - - _onDragLeave: getDragHandler('dragleave'), - - _initEventHandlers: function () { - if (this._isXHRUpload(this.options)) { - this._on(this.options.dropZone, { - dragover: this._onDragOver, - drop: this._onDrop, - // event.preventDefault() on dragenter is required for IE10+: - dragenter: this._onDragEnter, - // dragleave is not required, but added for completeness: - dragleave: this._onDragLeave - }); - this._on(this.options.pasteZone, { - paste: this._onPaste - }); - } - if ($.support.fileInput) { - this._on(this.options.fileInput, { - change: this._onChange - }); + return send(); + } + return jqXHR.abort(); + }; + return this._enhancePromise(pipe); + } + return send(); + }, + + _onAdd: function(e, data) { + var that = this, + result = true, + options = $.extend({}, this.options, data), + files = data.files, + filesLength = files.length, + limit = options.limitMultiFileUploads, + limitSize = options.limitMultiFileUploadSize, + overhead = options.limitMultiFileUploadSizeOverhead, + batchSize = 0, + paramName = this._getParamName(options), + paramNameSet, + paramNameSlice, + fileSet, + i, + j = 0; + if (!filesLength) { + return false; + } + if (limitSize && files[0].size === undefined) { + limitSize = undefined; + } + if ( + !(options.singleFileUploads || limit || limitSize) || + !this._isXHRUpload(options) + ) { + fileSet = [files]; + paramNameSet = [paramName]; + } else if (!(options.singleFileUploads || limitSize) && limit) { + fileSet = []; + paramNameSet = []; + for (i = 0; i < filesLength; i += limit) { + fileSet.push(files.slice(i, i + limit)); + paramNameSlice = paramName.slice(i, i + limit); + if (!paramNameSlice.length) { + paramNameSlice = paramName; + } + paramNameSet.push(paramNameSlice); + } + } else if (!options.singleFileUploads && limitSize) { + fileSet = []; + paramNameSet = []; + for (i = 0; i < filesLength; i = i + 1) { + batchSize += files[i].size + overhead; + if ( + i + 1 === filesLength || + batchSize + files[i + 1].size + overhead > limitSize || + (limit && i + 1 - j >= limit) + ) { + fileSet.push(files.slice(j, i + 1)); + paramNameSlice = paramName.slice(j, i + 1); + if (!paramNameSlice.length) { + paramNameSlice = paramName; } + paramNameSet.push(paramNameSlice); + j = i + 1; + batchSize = 0; + } + } + } else { + paramNameSet = paramName; + } + data.originalFiles = files; + $.each(fileSet || files, function(index, element) { + var newData = $.extend({}, data); + newData.files = fileSet ? element : [element]; + newData.paramName = paramNameSet[index]; + that._initResponseObject(newData); + that._initProgressObject(newData); + that._addConvenienceMethods(e, newData); + result = that._trigger( + 'add', + $.Event('add', { delegatedEvent: e }), + newData + ); + return result; + }); + return result; + }, + + _replaceFileInput: function(data) { + var input = data.fileInput, + inputClone = input.clone(true), + restoreFocus = input.is(document.activeElement); + // Add a reference for the new cloned file input to the data argument: + data.fileInputClone = inputClone; + $('<form></form>') + .append(inputClone)[0] + .reset(); + // Detaching allows to insert the fileInput on another form + // without loosing the file input value: + input.after(inputClone).detach(); + // If the fileInput had focus before it was detached, + // restore focus to the inputClone. + if (restoreFocus) { + inputClone.focus(); + } + // Avoid memory leaks with the detached file input: + $.cleanData(input.unbind('remove')); + // Replace the original file input element in the fileInput + // elements set with the clone, which has been copied including + // event handlers: + this.options.fileInput = this.options.fileInput.map(function(i, el) { + if (el === input[0]) { + return inputClone[0]; + } + return el; + }); + // If the widget has been initialized on the file input itself, + // override this.element with the file input clone: + if (input[0] === this.element[0]) { + this.element = inputClone; + } + }, + + _handleFileTreeEntry: function(entry, path) { + var that = this, + dfd = $.Deferred(), + entries = [], + dirReader, + errorHandler = function(e) { + if (e && !e.entry) { + e.entry = entry; + } + // Since $.when returns immediately if one + // Deferred is rejected, we use resolve instead. + // This allows valid files and invalid items + // to be returned together in one set: + dfd.resolve([e]); }, - - _destroyEventHandlers: function () { - this._off(this.options.dropZone, 'dragenter dragleave dragover drop'); - this._off(this.options.pasteZone, 'paste'); - this._off(this.options.fileInput, 'change'); - }, - - _destroy: function () { - this._destroyEventHandlers(); + successHandler = function(entries) { + that + ._handleFileTreeEntries(entries, path + entry.name + '/') + .done(function(files) { + dfd.resolve(files); + }) + .fail(errorHandler); }, - - _setOption: function (key, value) { - var reinit = $.inArray(key, this._specialOptions) !== -1; - if (reinit) { - this._destroyEventHandlers(); + readEntries = function() { + dirReader.readEntries(function(results) { + if (!results.length) { + successHandler(entries); + } else { + entries = entries.concat(results); + readEntries(); } - this._super(key, value); - if (reinit) { - this._initSpecialOptions(); - this._initEventHandlers(); + }, errorHandler); + }; + // eslint-disable-next-line no-param-reassign + path = path || ''; + if (entry.isFile) { + if (entry._file) { + // Workaround for Chrome bug #149735 + entry._file.relativePath = path; + dfd.resolve(entry._file); + } else { + entry.file(function(file) { + file.relativePath = path; + dfd.resolve(file); + }, errorHandler); + } + } else if (entry.isDirectory) { + dirReader = entry.createReader(); + readEntries(); + } else { + // Return an empty list for file system items + // other than files or directories: + dfd.resolve([]); + } + return dfd.promise(); + }, + + _handleFileTreeEntries: function(entries, path) { + var that = this; + return $.when + .apply( + $, + $.map(entries, function(entry) { + return that._handleFileTreeEntry(entry, path); + }) + ) + .then(function() { + return Array.prototype.concat.apply([], arguments); + }); + }, + + _getDroppedFiles: function(dataTransfer) { + // eslint-disable-next-line no-param-reassign + dataTransfer = dataTransfer || {}; + var items = dataTransfer.items; + if ( + items && + items.length && + (items[0].webkitGetAsEntry || items[0].getAsEntry) + ) { + return this._handleFileTreeEntries( + $.map(items, function(item) { + var entry; + if (item.webkitGetAsEntry) { + entry = item.webkitGetAsEntry(); + if (entry) { + // Workaround for Chrome bug #149735: + entry._file = item.getAsFile(); + } + return entry; } - }, - - _initSpecialOptions: function () { - var options = this.options; - if (options.fileInput === undefined) { - options.fileInput = this.element.is('input[type="file"]') ? - this.element : this.element.find('input[type="file"]'); - } else if (!(options.fileInput instanceof $)) { - options.fileInput = $(options.fileInput); + return item.getAsEntry(); + }) + ); + } + return $.Deferred() + .resolve($.makeArray(dataTransfer.files)) + .promise(); + }, + + _getSingleFileInputFiles: function(fileInput) { + // eslint-disable-next-line no-param-reassign + fileInput = $(fileInput); + var entries = + fileInput.prop('webkitEntries') || fileInput.prop('entries'), + files, + value; + if (entries && entries.length) { + return this._handleFileTreeEntries(entries); + } + files = $.makeArray(fileInput.prop('files')); + if (!files.length) { + value = fileInput.prop('value'); + if (!value) { + return $.Deferred() + .resolve([]) + .promise(); + } + // If the files property is not available, the browser does not + // support the File API and we add a pseudo File object with + // the input value as name with path information removed: + files = [{ name: value.replace(/^.*\\/, '') }]; + } else if (files[0].name === undefined && files[0].fileName) { + // File normalization for Safari 4 and Firefox 3: + $.each(files, function(index, file) { + file.name = file.fileName; + file.size = file.fileSize; + }); + } + return $.Deferred() + .resolve(files) + .promise(); + }, + + _getFileInputFiles: function(fileInput) { + if (!(fileInput instanceof $) || fileInput.length === 1) { + return this._getSingleFileInputFiles(fileInput); + } + return $.when + .apply($, $.map(fileInput, this._getSingleFileInputFiles)) + .then(function() { + return Array.prototype.concat.apply([], arguments); + }); + }, + + _onChange: function(e) { + var that = this, + data = { + fileInput: $(e.target), + form: $(e.target.form) + }; + this._getFileInputFiles(data.fileInput).always(function(files) { + data.files = files; + if (that.options.replaceFileInput) { + that._replaceFileInput(data); + } + if ( + that._trigger( + 'change', + $.Event('change', { delegatedEvent: e }), + data + ) !== false + ) { + that._onAdd(e, data); + } + }); + }, + + _onPaste: function(e) { + var items = + e.originalEvent && + e.originalEvent.clipboardData && + e.originalEvent.clipboardData.items, + data = { files: [] }; + if (items && items.length) { + $.each(items, function(index, item) { + var file = item.getAsFile && item.getAsFile(); + if (file) { + data.files.push(file); + } + }); + if ( + this._trigger( + 'paste', + $.Event('paste', { delegatedEvent: e }), + data + ) !== false + ) { + this._onAdd(e, data); + } + } + }, + + _onDrop: function(e) { + e.dataTransfer = e.originalEvent && e.originalEvent.dataTransfer; + var that = this, + dataTransfer = e.dataTransfer, + data = {}; + if (dataTransfer && dataTransfer.files && dataTransfer.files.length) { + e.preventDefault(); + this._getDroppedFiles(dataTransfer).always(function(files) { + data.files = files; + if ( + that._trigger( + 'drop', + $.Event('drop', { delegatedEvent: e }), + data + ) !== false + ) { + that._onAdd(e, data); + } + }); + } + }, + + _onDragOver: getDragHandler('dragover'), + + _onDragEnter: getDragHandler('dragenter'), + + _onDragLeave: getDragHandler('dragleave'), + + _initEventHandlers: function() { + if (this._isXHRUpload(this.options)) { + this._on(this.options.dropZone, { + dragover: this._onDragOver, + drop: this._onDrop, + // event.preventDefault() on dragenter is required for IE10+: + dragenter: this._onDragEnter, + // dragleave is not required, but added for completeness: + dragleave: this._onDragLeave + }); + this._on(this.options.pasteZone, { + paste: this._onPaste + }); + } + if ($.support.fileInput) { + this._on(this.options.fileInput, { + change: this._onChange + }); + } + }, + + _destroyEventHandlers: function() { + this._off(this.options.dropZone, 'dragenter dragleave dragover drop'); + this._off(this.options.pasteZone, 'paste'); + this._off(this.options.fileInput, 'change'); + }, + + _destroy: function() { + this._destroyEventHandlers(); + }, + + _setOption: function(key, value) { + var reinit = $.inArray(key, this._specialOptions) !== -1; + if (reinit) { + this._destroyEventHandlers(); + } + this._super(key, value); + if (reinit) { + this._initSpecialOptions(); + this._initEventHandlers(); + } + }, + + _initSpecialOptions: function() { + var options = this.options; + if (options.fileInput === undefined) { + options.fileInput = this.element.is('input[type="file"]') + ? this.element + : this.element.find('input[type="file"]'); + } else if (!(options.fileInput instanceof $)) { + options.fileInput = $(options.fileInput); + } + if (!(options.dropZone instanceof $)) { + options.dropZone = $(options.dropZone); + } + if (!(options.pasteZone instanceof $)) { + options.pasteZone = $(options.pasteZone); + } + }, + + _getRegExp: function(str) { + var parts = str.split('/'), + modifiers = parts.pop(); + parts.shift(); + return new RegExp(parts.join('/'), modifiers); + }, + + _isRegExpOption: function(key, value) { + return ( + key !== 'url' && + $.type(value) === 'string' && + /^\/.*\/[igm]{0,3}$/.test(value) + ); + }, + + _initDataAttributes: function() { + var that = this, + options = this.options, + data = this.element.data(); + // Initialize options set via HTML5 data-attributes: + $.each(this.element[0].attributes, function(index, attr) { + var key = attr.name.toLowerCase(), + value; + if (/^data-/.test(key)) { + // Convert hyphen-ated key to camelCase: + key = key.slice(5).replace(/-[a-z]/g, function(str) { + return str.charAt(1).toUpperCase(); + }); + value = data[key]; + if (that._isRegExpOption(key, value)) { + value = that._getRegExp(value); + } + options[key] = value; + } + }); + }, + + _create: function() { + this._initDataAttributes(); + this._initSpecialOptions(); + this._slots = []; + this._sequence = this._getXHRPromise(true); + this._sending = this._active = 0; + this._initProgressObject(this); + this._initEventHandlers(); + }, + + // This method is exposed to the widget API and allows to query + // the number of active uploads: + active: function() { + return this._active; + }, + + // This method is exposed to the widget API and allows to query + // the widget upload progress. + // It returns an object with loaded, total and bitrate properties + // for the running uploads: + progress: function() { + return this._progress; + }, + + // This method is exposed to the widget API and allows adding files + // using the fileupload API. The data parameter accepts an object which + // must have a files property and can contain additional options: + // .fileupload('add', {files: filesList}); + add: function(data) { + var that = this; + if (!data || this.options.disabled) { + return; + } + if (data.fileInput && !data.files) { + this._getFileInputFiles(data.fileInput).always(function(files) { + data.files = files; + that._onAdd(null, data); + }); + } else { + data.files = $.makeArray(data.files); + this._onAdd(null, data); + } + }, + + // This method is exposed to the widget API and allows sending files + // using the fileupload API. The data parameter accepts an object which + // must have a files or fileInput property and can contain additional options: + // .fileupload('send', {files: filesList}); + // The method returns a Promise object for the file upload call. + send: function(data) { + if (data && !this.options.disabled) { + if (data.fileInput && !data.files) { + var that = this, + dfd = $.Deferred(), + promise = dfd.promise(), + jqXHR, + aborted; + promise.abort = function() { + aborted = true; + if (jqXHR) { + return jqXHR.abort(); } - if (!(options.dropZone instanceof $)) { - options.dropZone = $(options.dropZone); + dfd.reject(null, 'abort', 'abort'); + return promise; + }; + this._getFileInputFiles(data.fileInput).always(function(files) { + if (aborted) { + return; } - if (!(options.pasteZone instanceof $)) { - options.pasteZone = $(options.pasteZone); + if (!files.length) { + dfd.reject(); + return; } - }, - - _getRegExp: function (str) { - var parts = str.split('/'), - modifiers = parts.pop(); - parts.shift(); - return new RegExp(parts.join('/'), modifiers); - }, - - _isRegExpOption: function (key, value) { - return key !== 'url' && $.type(value) === 'string' && - /^\/.*\/[igm]{0,3}$/.test(value); - }, - - _initDataAttributes: function () { - var that = this, - options = this.options, - data = this.element.data(); - // Initialize options set via HTML5 data-attributes: - $.each( - this.element[0].attributes, - function (index, attr) { - var key = attr.name.toLowerCase(), - value; - if (/^data-/.test(key)) { - // Convert hyphen-ated key to camelCase: - key = key.slice(5).replace(/-[a-z]/g, function (str) { - return str.charAt(1).toUpperCase(); - }); - value = data[key]; - if (that._isRegExpOption(key, value)) { - value = that._getRegExp(value); - } - options[key] = value; - } - } + data.files = files; + jqXHR = that._onSend(null, data); + jqXHR.then( + function(result, textStatus, jqXHR) { + dfd.resolve(result, textStatus, jqXHR); + }, + function(jqXHR, textStatus, errorThrown) { + dfd.reject(jqXHR, textStatus, errorThrown); + } ); - }, - - _create: function () { - this._initDataAttributes(); - this._initSpecialOptions(); - this._slots = []; - this._sequence = this._getXHRPromise(true); - this._sending = this._active = 0; - this._initProgressObject(this); - this._initEventHandlers(); - }, - - // This method is exposed to the widget API and allows to query - // the number of active uploads: - active: function () { - return this._active; - }, - - // This method is exposed to the widget API and allows to query - // the widget upload progress. - // It returns an object with loaded, total and bitrate properties - // for the running uploads: - progress: function () { - return this._progress; - }, - - // This method is exposed to the widget API and allows adding files - // using the fileupload API. The data parameter accepts an object which - // must have a files property and can contain additional options: - // .fileupload('add', {files: filesList}); - add: function (data) { - var that = this; - if (!data || this.options.disabled) { - return; - } - if (data.fileInput && !data.files) { - this._getFileInputFiles(data.fileInput).always(function (files) { - data.files = files; - that._onAdd(null, data); - }); - } else { - data.files = $.makeArray(data.files); - this._onAdd(null, data); - } - }, - - // This method is exposed to the widget API and allows sending files - // using the fileupload API. The data parameter accepts an object which - // must have a files or fileInput property and can contain additional options: - // .fileupload('send', {files: filesList}); - // The method returns a Promise object for the file upload call. - send: function (data) { - if (data && !this.options.disabled) { - if (data.fileInput && !data.files) { - var that = this, - dfd = $.Deferred(), - promise = dfd.promise(), - jqXHR, - aborted; - promise.abort = function () { - aborted = true; - if (jqXHR) { - return jqXHR.abort(); - } - dfd.reject(null, 'abort', 'abort'); - return promise; - }; - this._getFileInputFiles(data.fileInput).always( - function (files) { - if (aborted) { - return; - } - if (!files.length) { - dfd.reject(); - return; - } - data.files = files; - jqXHR = that._onSend(null, data); - jqXHR.then( - function (result, textStatus, jqXHR) { - dfd.resolve(result, textStatus, jqXHR); - }, - function (jqXHR, textStatus, errorThrown) { - dfd.reject(jqXHR, textStatus, errorThrown); - } - ); - } - ); - return this._enhancePromise(promise); - } - data.files = $.makeArray(data.files); - if (data.files.length) { - return this._onSend(null, data); - } - } - return this._getXHRPromise(false, data && data.context); + }); + return this._enhancePromise(promise); } - - }); - -})); + data.files = $.makeArray(data.files); + if (data.files.length) { + return this._onSend(null, data); + } + } + return this._getXHRPromise(false, data && data.context); + } + }); +}); |