/**
 * DevExtreme (cjs/ui/file_uploader.js)
 * Version: 23.2.6 (build 24140-0112)
 * Build date: Sun May 19 2024
 *
 * Copyright (c) 2012 - 2024 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */
"use strict";
exports.default = void 0;
var _size = require("../core/utils/size");
var _renderer = _interopRequireDefault(require("../core/renderer"));
var _guid = _interopRequireDefault(require("../core/guid"));
var _window = require("../core/utils/window");
var _events_engine = _interopRequireDefault(require("../events/core/events_engine"));
var _component_registrator = _interopRequireDefault(require("../core/component_registrator"));
var _callbacks = _interopRequireDefault(require("../core/utils/callbacks"));
var _type = require("../core/utils/type");
var _iterator = require("../core/utils/iterator");
var _extend = require("../core/utils/extend");
var _deferred = require("../core/utils/deferred");
var _ajax = _interopRequireDefault(require("../core/utils/ajax"));
var _editor = _interopRequireDefault(require("./editor/editor"));
var _button = _interopRequireDefault(require("./button"));
var _progress_bar = _interopRequireDefault(require("./progress_bar"));
var _devices = _interopRequireDefault(require("../core/devices"));
var _index = require("../events/utils/index");
var _click = require("../events/click");
var _message = _interopRequireDefault(require("../localization/message"));
var _themes = require("./themes");
var _dom_adapter = _interopRequireDefault(require("../core/dom_adapter"));

function _interopRequireDefault(obj) {
    return obj && obj.__esModule ? obj : {
        default: obj
    }
}

function _inheritsLoose(subClass, superClass) {
    subClass.prototype = Object.create(superClass.prototype);
    subClass.prototype.constructor = subClass;
    _setPrototypeOf(subClass, superClass)
}

function _setPrototypeOf(o, p) {
    _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function(o, p) {
        o.__proto__ = p;
        return o
    };
    return _setPrototypeOf(o, p)
}
const window = (0, _window.getWindow)();
const FILEUPLOADER_CLASS = "dx-fileuploader";
const FILEUPLOADER_EMPTY_CLASS = "dx-fileuploader-empty";
const FILEUPLOADER_SHOW_FILE_LIST_CLASS = "dx-fileuploader-show-file-list";
const FILEUPLOADER_DRAGOVER_CLASS = "dx-fileuploader-dragover";
const FILEUPLOADER_WRAPPER_CLASS = "dx-fileuploader-wrapper";
const FILEUPLOADER_CONTAINER_CLASS = "dx-fileuploader-container";
const FILEUPLOADER_CONTENT_CLASS = "dx-fileuploader-content";
const FILEUPLOADER_INPUT_WRAPPER_CLASS = "dx-fileuploader-input-wrapper";
const FILEUPLOADER_INPUT_CONTAINER_CLASS = "dx-fileuploader-input-container";
const FILEUPLOADER_INPUT_LABEL_CLASS = "dx-fileuploader-input-label";
const FILEUPLOADER_INPUT_CLASS = "dx-fileuploader-input";
const FILEUPLOADER_FILES_CONTAINER_CLASS = "dx-fileuploader-files-container";
const FILEUPLOADER_FILE_CONTAINER_CLASS = "dx-fileuploader-file-container";
const FILEUPLOADER_FILE_INFO_CLASS = "dx-fileuploader-file-info";
const FILEUPLOADER_FILE_STATUS_MESSAGE_CLASS = "dx-fileuploader-file-status-message";
const FILEUPLOADER_FILE_CLASS = "dx-fileuploader-file";
const FILEUPLOADER_FILE_NAME_CLASS = "dx-fileuploader-file-name";
const FILEUPLOADER_FILE_SIZE_CLASS = "dx-fileuploader-file-size";
const FILEUPLOADER_BUTTON_CLASS = "dx-fileuploader-button";
const FILEUPLOADER_BUTTON_CONTAINER_CLASS = "dx-fileuploader-button-container";
const FILEUPLOADER_CANCEL_BUTTON_CLASS = "dx-fileuploader-cancel-button";
const FILEUPLOADER_UPLOAD_BUTTON_CLASS = "dx-fileuploader-upload-button";
const FILEUPLOADER_INVALID_CLASS = "dx-fileuploader-invalid";
const FILEUPLOADER_AFTER_LOAD_DELAY = 400;
const FILEUPLOADER_CHUNK_META_DATA_NAME = "chunkMetadata";
const DRAG_EVENT_DELTA = 1;
let renderFileUploaderInput = () => (0, _renderer.default)("<input>").attr("type", "file");
const isFormDataSupported = () => !!window.FormData;
let FileUploader = function(_Editor) {
    _inheritsLoose(FileUploader, _Editor);

    function FileUploader() {
        return _Editor.apply(this, arguments) || this
    }
    var _proto = FileUploader.prototype;
    _proto._supportedKeys = function() {
        const click = e => {
            e.preventDefault();
            const $selectButton = this._selectButton.$element();
            _events_engine.default.trigger($selectButton, _click.name)
        };
        return (0, _extend.extend)(_Editor.prototype._supportedKeys.call(this), {
            space: click,
            enter: click
        })
    };
    _proto._setOptionsByReference = function() {
        _Editor.prototype._setOptionsByReference.call(this);
        (0, _extend.extend)(this._optionsByReference, {
            value: true
        })
    };
    _proto._getDefaultOptions = function() {
        return (0, _extend.extend)(_Editor.prototype._getDefaultOptions.call(this), {
            chunkSize: 0,
            value: [],
            selectButtonText: _message.default.format("dxFileUploader-selectFile"),
            uploadButtonText: _message.default.format("dxFileUploader-upload"),
            labelText: _message.default.format("dxFileUploader-dropFile"),
            name: "files[]",
            multiple: false,
            accept: "",
            uploadUrl: "/",
            allowCanceling: true,
            showFileList: true,
            progress: 0,
            dialogTrigger: void 0,
            dropZone: void 0,
            readyToUploadMessage: _message.default.format("dxFileUploader-readyToUpload"),
            uploadedMessage: _message.default.format("dxFileUploader-uploaded"),
            uploadFailedMessage: _message.default.format("dxFileUploader-uploadFailedMessage"),
            uploadAbortedMessage: _message.default.format("dxFileUploader-uploadAbortedMessage"),
            uploadMode: "instantly",
            uploadMethod: "POST",
            uploadHeaders: {},
            uploadCustomData: {},
            onBeforeSend: null,
            onUploadStarted: null,
            onUploaded: null,
            onFilesUploaded: null,
            onProgress: null,
            onUploadError: null,
            onUploadAborted: null,
            onDropZoneEnter: null,
            onDropZoneLeave: null,
            allowedFileExtensions: [],
            maxFileSize: 0,
            minFileSize: 0,
            inputAttr: {},
            invalidFileExtensionMessage: _message.default.format("dxFileUploader-invalidFileExtension"),
            invalidMaxFileSizeMessage: _message.default.format("dxFileUploader-invalidMaxFileSize"),
            invalidMinFileSizeMessage: _message.default.format("dxFileUploader-invalidMinFileSize"),
            extendSelection: true,
            validationMessageMode: "always",
            uploadFile: null,
            uploadChunk: null,
            abortUpload: null,
            validationMessageOffset: {
                h: 0,
                v: 0
            },
            hoverStateEnabled: true,
            useNativeInputClick: false,
            useDragOver: true,
            nativeDropSupported: true,
            _uploadButtonType: "normal",
            _buttonStylingMode: "contained"
        })
    };
    _proto._defaultOptionsRules = function() {
        return _Editor.prototype._defaultOptionsRules.call(this).concat([{
            device: () => "desktop" === _devices.default.real().deviceType && !_devices.default.isSimulator(),
            options: {
                focusStateEnabled: true
            }
        }, {
            device: [{
                platform: "android"
            }],
            options: {
                validationMessageOffset: {
                    v: 0
                }
            }
        }, {
            device: () => "desktop" !== _devices.default.real().deviceType,
            options: {
                useDragOver: false
            }
        }, {
            device: () => !isFormDataSupported(),
            options: {
                uploadMode: "useForm"
            }
        }, {
            device: () => "desktop" !== _devices.default.real().deviceType,
            options: {
                nativeDropSupported: false
            }
        }, {
            device: () => (0, _themes.isMaterial)(),
            options: {
                _uploadButtonType: "default"
            }
        }, {
            device: () => (0, _themes.isFluent)(),
            options: {
                _buttonStylingMode: "text"
            }
        }])
    };
    _proto._initOptions = function(options) {
        const isLabelTextDefined = "labelText" in options;
        _Editor.prototype._initOptions.call(this, options);
        if (!isLabelTextDefined && !this._shouldDragOverBeRendered()) {
            this.option("labelText", "")
        }
    };
    _proto._init = function() {
        _Editor.prototype._init.call(this);
        this._initFileInput();
        this._initLabel();
        this._setUploadStrategy();
        this._createFiles();
        this._createBeforeSendAction();
        this._createUploadStartedAction();
        this._createUploadedAction();
        this._createFilesUploadedAction();
        this._createProgressAction();
        this._createUploadErrorAction();
        this._createUploadAbortedAction();
        this._createDropZoneEnterAction();
        this._createDropZoneLeaveAction()
    };
    _proto._setUploadStrategy = function() {
        let strategy = null;
        if (this.option("chunkSize") > 0) {
            const uploadChunk = this.option("uploadChunk");
            strategy = uploadChunk && (0, _type.isFunction)(uploadChunk) ? new CustomChunksFileUploadStrategy(this) : new DefaultChunksFileUploadStrategy(this)
        } else {
            const uploadFile = this.option("uploadFile");
            strategy = uploadFile && (0, _type.isFunction)(uploadFile) ? new CustomWholeFileUploadStrategy(this) : new DefaultWholeFileUploadStrategy(this)
        }
        this._uploadStrategy = strategy
    };
    _proto._initFileInput = function() {
        this._isCustomClickEvent = false;
        const {
            multiple: multiple,
            accept: accept,
            hint: hint
        } = this.option();
        if (!this._$fileInput) {
            this._$fileInput = renderFileUploaderInput();
            _events_engine.default.on(this._$fileInput, "change", this._inputChangeHandler.bind(this));
            _events_engine.default.on(this._$fileInput, "click", e => {
                e.stopPropagation();
                this._resetInputValue();
                return this.option("useNativeInputClick") || this._isCustomClickEvent
            })
        }
        const inputProps = {
            multiple: multiple,
            accept: accept,
            tabIndex: -1
        };
        if ((0, _type.isDefined)(hint)) {
            inputProps.title = hint
        }
        this._$fileInput.prop(inputProps)
    };
    _proto._inputChangeHandler = function() {
        if (this._doPreventInputChange) {
            return
        }
        const fileName = this._$fileInput.val().replace(/^.*\\/, "");
        const files = this._$fileInput.prop("files");
        if (files && !files.length && "useForm" !== this.option("uploadMode")) {
            return
        }
        const value = files ? this._getFiles(files) : [{
            name: fileName
        }];
        this._changeValue(value);
        if ("instantly" === this.option("uploadMode")) {
            this._uploadFiles()
        }
    };
    _proto._shouldFileListBeExtended = function() {
        return "useForm" !== this.option("uploadMode") && this.option("extendSelection") && this.option("multiple")
    };
    _proto._changeValue = function(value) {
        const files = this._shouldFileListBeExtended() ? this.option("value").slice() : [];
        this.option("value", files.concat(value))
    };
    _proto._getFiles = function(fileList) {
        const values = [];
        (0, _iterator.each)(fileList, (_, value) => values.push(value));
        return values
    };
    _proto._getFile = function(fileData) {
        const targetFileValue = (0, _type.isNumeric)(fileData) ? this.option("value")[fileData] : fileData;
        return this._files.filter(file => file.value === targetFileValue)[0]
    };
    _proto._initLabel = function() {
        if (!this._$inputLabel) {
            this._$inputLabel = (0, _renderer.default)("<div>")
        }
        this._updateInputLabelText()
    };
    _proto._updateInputLabelText = function() {
        const correctedValue = this._isInteractionDisabled() ? "" : this.option("labelText");
        this._$inputLabel.text(correctedValue)
    };
    _proto._focusTarget = function() {
        return this.$element().find(".dx-fileuploader-button")
    };
    _proto._getSubmitElement = function() {
        return this._$fileInput
    };
    _proto._initMarkup = function() {
        _Editor.prototype._initMarkup.call(this);
        this.$element().addClass("dx-fileuploader");
        this._renderWrapper();
        this._renderInputWrapper();
        this._renderSelectButton();
        this._renderInputContainer();
        this._renderUploadButton();
        this._preventRecreatingFiles = true;
        this._activeDropZone = null
    };
    _proto._render = function() {
        this._preventRecreatingFiles = false;
        this._attachDragEventHandlers(this._$inputWrapper);
        this._attachDragEventHandlers(this.option("dropZone"));
        this._renderFiles();
        _Editor.prototype._render.call(this)
    };
    _proto._createFileProgressBar = function(file) {
        file.progressBar = this._createProgressBar(file.value.size);
        file.progressBar.$element().appendTo(file.$file);
        this._initStatusMessage(file);
        this._ensureCancelButtonInitialized(file)
    };
    _proto._setStatusMessage = function(file, message) {
        setTimeout(() => {
            if (this.option("showFileList")) {
                if (file.$statusMessage) {
                    file.$statusMessage.text(message);
                    file.$statusMessage.css("display", "");
                    file.progressBar.$element().remove()
                }
            }
        }, 400)
    };
    _proto._getUploadAbortedStatusMessage = function() {
        return "instantly" === this.option("uploadMode") ? this.option("uploadAbortedMessage") : this.option("readyToUploadMessage")
    };
    _proto._createFiles = function() {
        const value = this.option("value");
        if (this._files && (0 === value.length || !this._shouldFileListBeExtended())) {
            this._preventFilesUploading(this._files);
            this._files = null
        }
        if (!this._files) {
            this._files = []
        }(0, _iterator.each)(value.slice(this._files.length), (_, value) => {
            const file = this._createFile(value);
            this._validateFile(file);
            this._files.push(file)
        })
    };
    _proto._preventFilesUploading = function(files) {
        files.forEach(file => this._uploadStrategy.abortUpload(file))
    };
    _proto._validateFile = function(file) {
        file.isValidFileExtension = this._validateFileExtension(file);
        file.isValidMinSize = this._validateMinFileSize(file);
        file.isValidMaxSize = this._validateMaxFileSize(file)
    };
    _proto._validateFileExtension = function(file) {
        const allowedExtensions = this.option("allowedFileExtensions");
        const accept = this.option("accept");
        const allowedTypes = this._getAllowedFileTypes(accept);
        const fileExtension = file.value.name.substring(file.value.name.lastIndexOf(".")).toLowerCase();
        if (0 !== accept.length && !this._isFileTypeAllowed(file.value, allowedTypes)) {
            return false
        }
        if (0 === allowedExtensions.length) {
            return true
        }
        for (let i = 0; i < allowedExtensions.length; i++) {
            if (fileExtension === allowedExtensions[i].toLowerCase()) {
                return true
            }
        }
        return false
    };
    _proto._validateMaxFileSize = function(file) {
        const fileSize = file.value.size;
        const maxFileSize = this.option("maxFileSize");
        return maxFileSize > 0 ? fileSize <= maxFileSize : true
    };
    _proto._validateMinFileSize = function(file) {
        const fileSize = file.value.size;
        const minFileSize = this.option("minFileSize");
        return minFileSize > 0 ? fileSize >= minFileSize : true
    };
    _proto._createBeforeSendAction = function() {
        this._beforeSendAction = this._createActionByOption("onBeforeSend", {
            excludeValidators: ["readOnly"]
        })
    };
    _proto._createUploadStartedAction = function() {
        this._uploadStartedAction = this._createActionByOption("onUploadStarted", {
            excludeValidators: ["readOnly"]
        })
    };
    _proto._createUploadedAction = function() {
        this._uploadedAction = this._createActionByOption("onUploaded", {
            excludeValidators: ["readOnly"]
        })
    };
    _proto._createFilesUploadedAction = function() {
        this._filesUploadedAction = this._createActionByOption("onFilesUploaded", {
            excludeValidators: ["readOnly"]
        })
    };
    _proto._createProgressAction = function() {
        this._progressAction = this._createActionByOption("onProgress", {
            excludeValidators: ["readOnly"]
        })
    };
    _proto._createUploadAbortedAction = function() {
        this._uploadAbortedAction = this._createActionByOption("onUploadAborted", {
            excludeValidators: ["readOnly"]
        })
    };
    _proto._createUploadErrorAction = function() {
        this._uploadErrorAction = this._createActionByOption("onUploadError", {
            excludeValidators: ["readOnly"]
        })
    };
    _proto._createDropZoneEnterAction = function() {
        this._dropZoneEnterAction = this._createActionByOption("onDropZoneEnter")
    };
    _proto._createDropZoneLeaveAction = function() {
        this._dropZoneLeaveAction = this._createActionByOption("onDropZoneLeave")
    };
    _proto._createFile = function(value) {
        return {
            value: value,
            loadedSize: 0,
            onProgress: (0, _callbacks.default)(),
            onAbort: (0, _callbacks.default)(),
            onLoad: (0, _callbacks.default)(),
            onError: (0, _callbacks.default)(),
            onLoadStart: (0, _callbacks.default)(),
            isValidFileExtension: true,
            isValidMaxSize: true,
            isValidMinSize: true,
            isValid() {
                return this.isValidFileExtension && this.isValidMaxSize && this.isValidMinSize
            },
            isInitialized: false
        }
    };
    _proto._resetFileState = function(file) {
        file.isAborted = false;
        file.uploadStarted = false;
        file.isStartLoad = false;
        file.loadedSize = 0;
        file.chunksData = void 0;
        file.request = void 0
    };
    _proto._renderFiles = function() {
        var _this$_validationMess;
        const value = this.option("value");
        if (!this._$filesContainer) {
            this._$filesContainer = (0, _renderer.default)("<div>").addClass("dx-fileuploader-files-container").appendTo(this._$content)
        } else if (!this._shouldFileListBeExtended() || 0 === value.length) {
            this._$filesContainer.empty()
        }
        const showFileList = this.option("showFileList");
        if (showFileList) {
            (0, _iterator.each)(this._files, (_, file) => {
                if (!file.$file) {
                    this._renderFile(file)
                }
            })
        }
        this.$element().toggleClass("dx-fileuploader-show-file-list", showFileList);
        this._toggleFileUploaderEmptyClassName();
        this._updateFileNameMaxWidth();
        null === (_this$_validationMess = this._validationMessage) || void 0 === _this$_validationMess ? void 0 : _this$_validationMess.repaint()
    };
    _proto._renderFile = function(file) {
        const value = file.value;
        const $fileContainer = (0, _renderer.default)("<div>").addClass("dx-fileuploader-file-container").appendTo(this._$filesContainer);
        this._renderFileButtons(file, $fileContainer);
        file.$file = (0, _renderer.default)("<div>").addClass("dx-fileuploader-file").appendTo($fileContainer);
        const $fileInfo = (0, _renderer.default)("<div>").addClass("dx-fileuploader-file-info").appendTo(file.$file);
        file.$statusMessage = (0, _renderer.default)("<div>").addClass("dx-fileuploader-file-status-message").appendTo(file.$file);
        (0, _renderer.default)("<div>").addClass("dx-fileuploader-file-name").text(value.name).appendTo($fileInfo);
        if ((0, _type.isDefined)(value.size)) {
            (0, _renderer.default)("<div>").addClass("dx-fileuploader-file-size").text(this._getFileSize(value.size)).appendTo($fileInfo)
        }
        if (file.isValid()) {
            file.$statusMessage.text(this.option("readyToUploadMessage"))
        } else {
            if (!file.isValidFileExtension) {
                file.$statusMessage.append(this._createValidationElement("invalidFileExtensionMessage"))
            }
            if (!file.isValidMaxSize) {
                file.$statusMessage.append(this._createValidationElement("invalidMaxFileSizeMessage"))
            }
            if (!file.isValidMinSize) {
                file.$statusMessage.append(this._createValidationElement("invalidMinFileSizeMessage"))
            }
            $fileContainer.addClass("dx-fileuploader-invalid")
        }
    };
    _proto._createValidationElement = function(key) {
        return (0, _renderer.default)("<span>").text(this.option(key))
    };
    _proto._updateFileNameMaxWidth = function() {
        const cancelButtonsCount = this.option("allowCanceling") && "useForm" !== this.option("uploadMode") ? 1 : 0;
        const uploadButtonsCount = "useButtons" === this.option("uploadMode") ? 1 : 0;
        const filesContainerWidth = (0, _size.getWidth)(this._$filesContainer.find(".dx-fileuploader-file-container").first()) || (0, _size.getWidth)(this._$filesContainer);
        const $buttonContainer = this._$filesContainer.find(".dx-fileuploader-button-container").eq(0);
        const buttonsWidth = (0, _size.getWidth)($buttonContainer) * (cancelButtonsCount + uploadButtonsCount);
        const $fileSize = this._$filesContainer.find(".dx-fileuploader-file-size").eq(0);
        const prevFileSize = $fileSize.text();
        $fileSize.text("1000 Mb");
        const fileSizeWidth = (0, _size.getWidth)($fileSize);
        $fileSize.text(prevFileSize);
        this._$filesContainer.find(".dx-fileuploader-file-name").css("maxWidth", filesContainerWidth - buttonsWidth - fileSizeWidth)
    };
    _proto._renderFileButtons = function(file, $container) {
        const $cancelButton = this._getCancelButton(file);
        $cancelButton && $container.append($cancelButton);
        const $uploadButton = this._getUploadButton(file);
        $uploadButton && $container.append($uploadButton)
    };
    _proto._getCancelButton = function(file) {
        if ("useForm" === this.option("uploadMode")) {
            return null
        }
        const {
            allowCanceling: allowCanceling,
            readOnly: readOnly,
            hoverStateEnabled: hoverStateEnabled,
            _buttonStylingMode: _buttonStylingMode
        } = this.option();
        file.cancelButton = this._createComponent((0, _renderer.default)("<div>").addClass("dx-fileuploader-button dx-fileuploader-cancel-button"), _button.default, {
            onClick: () => this._removeFile(file),
            icon: "close",
            visible: allowCanceling,
            disabled: readOnly,
            integrationOptions: {},
            hoverStateEnabled: hoverStateEnabled,
            stylingMode: _buttonStylingMode
        });
        return (0, _renderer.default)("<div>").addClass("dx-fileuploader-button-container").append(file.cancelButton.$element())
    };
    _proto._getUploadButton = function(file) {
        if (!file.isValid() || "useButtons" !== this.option("uploadMode")) {
            return null
        }
        const {
            hoverStateEnabled: hoverStateEnabled,
            _buttonStylingMode: _buttonStylingMode
        } = this.option();
        file.uploadButton = this._createComponent((0, _renderer.default)("<div>").addClass("dx-fileuploader-button dx-fileuploader-upload-button"), _button.default, {
            onClick: () => this._uploadFile(file),
            icon: "upload",
            hoverStateEnabled: hoverStateEnabled,
            stylingMode: _buttonStylingMode
        });
        file.onLoadStart.add(() => file.uploadButton.option({
            visible: false,
            disabled: true
        }));
        file.onAbort.add(() => file.uploadButton.option({
            visible: true,
            disabled: false
        }));
        return (0, _renderer.default)("<div>").addClass("dx-fileuploader-button-container").append(file.uploadButton.$element())
    };
    _proto._removeFile = function(file) {
        var _file$$file;
        null === (_file$$file = file.$file) || void 0 === _file$$file ? void 0 : _file$$file.parent().remove();
        this._files.splice(this._files.indexOf(file), 1);
        const value = this.option("value").slice();
        value.splice(value.indexOf(file.value), 1);
        this._preventRecreatingFiles = true;
        this.option("value", value);
        this._preventRecreatingFiles = false;
        this._toggleFileUploaderEmptyClassName();
        this._resetInputValue(true)
    };
    _proto.removeFile = function(fileData) {
        if ("useForm" === this.option("uploadMode") || !(0, _type.isDefined)(fileData)) {
            return
        }
        const file = this._getFile(fileData);
        if (file) {
            if (file.uploadStarted) {
                this._preventFilesUploading([file])
            }
            this._removeFile(file)
        }
    };
    _proto._toggleFileUploaderEmptyClassName = function() {
        this.$element().toggleClass("dx-fileuploader-empty", !this._files.length || this._hasInvalidFile(this._files))
    };
    _proto._hasInvalidFile = function(files) {
        for (let i = 0; i < files.length; i++) {
            if (!files[i].isValid()) {
                return true
            }
        }
        return false
    };
    _proto._getFileSize = function(size) {
        let i = 0;
        const labels = [_message.default.format("dxFileUploader-bytes"), _message.default.format("dxFileUploader-kb"), _message.default.format("dxFileUploader-Mb"), _message.default.format("dxFileUploader-Gb")];
        const count = labels.length - 1;
        while (i < count && size >= 1024) {
            size /= 1024;
            i++
        }
        return Math.round(size) + " " + labels[i]
    };
    _proto._renderSelectButton = function() {
        const $button = (0, _renderer.default)("<div>").addClass("dx-fileuploader-button").appendTo(this._$inputWrapper);
        this._selectButton = this._createComponent($button, _button.default, {
            text: this.option("selectButtonText"),
            focusStateEnabled: false,
            integrationOptions: {},
            disabled: this.option("readOnly"),
            hoverStateEnabled: this.option("hoverStateEnabled")
        });
        this._selectFileDialogHandler = this._selectButtonClickHandler.bind(this);
        if ("desktop" === _devices.default.real().deviceType) {
            this._selectButton.option("onClick", this._selectFileDialogHandler)
        } else {
            this._attachSelectFileDialogHandler(this._selectButton.$element())
        }
        this._attachSelectFileDialogHandler(this.option("dialogTrigger"))
    };
    _proto._selectButtonClickHandler = function() {
        if (this.option("useNativeInputClick")) {
            return
        }
        if (this._isInteractionDisabled()) {
            return false
        }
        this._isCustomClickEvent = true;
        _events_engine.default.trigger(this._$fileInput, "click");
        this._isCustomClickEvent = false
    };
    _proto._attachSelectFileDialogHandler = function(target) {
        if (!(0, _type.isDefined)(target)) {
            return
        }
        this._detachSelectFileDialogHandler(target);
        _events_engine.default.on((0, _renderer.default)(target), "click", this._selectFileDialogHandler)
    };
    _proto._detachSelectFileDialogHandler = function(target) {
        if (!(0, _type.isDefined)(target)) {
            return
        }
        _events_engine.default.off((0, _renderer.default)(target), "click", this._selectFileDialogHandler)
    };
    _proto._renderUploadButton = function() {
        if ("useButtons" !== this.option("uploadMode")) {
            return
        }
        const $uploadButton = (0, _renderer.default)("<div>").addClass("dx-fileuploader-button").addClass("dx-fileuploader-upload-button").appendTo(this._$content);
        this._uploadButton = this._createComponent($uploadButton, _button.default, {
            text: this.option("uploadButtonText"),
            onClick: this._uploadButtonClickHandler.bind(this),
            type: this.option("_uploadButtonType"),
            integrationOptions: {},
            hoverStateEnabled: this.option("hoverStateEnabled")
        })
    };
    _proto._uploadButtonClickHandler = function() {
        this._uploadFiles()
    };
    _proto._shouldDragOverBeRendered = function() {
        return !this.option("readOnly") && ("useForm" !== this.option("uploadMode") || this.option("nativeDropSupported"))
    };
    _proto._isInteractionDisabled = function() {
        return this.option("readOnly") || this.option("disabled")
    };
    _proto._renderInputContainer = function() {
        this._$inputContainer = (0, _renderer.default)("<div>").addClass("dx-fileuploader-input-container").appendTo(this._$inputWrapper);
        this._$fileInput.addClass("dx-fileuploader-input");
        this._renderInput();
        const labelId = "dx-fileuploader-input-label-".concat(new _guid.default);
        this._$inputLabel.attr("id", labelId).addClass("dx-fileuploader-input-label").appendTo(this._$inputContainer);
        this.setAria("labelledby", labelId, this._$fileInput)
    };
    _proto._renderInput = function() {
        if (this.option("useNativeInputClick")) {
            this._selectButton.option("template", this._selectButtonInputTemplate.bind(this))
        } else {
            this._$fileInput.appendTo(this._$inputContainer);
            this._selectButton.option("template", "content")
        }
        this._applyInputAttributes(this.option("inputAttr"))
    };
    _proto._selectButtonInputTemplate = function(data, content) {
        const $content = (0, _renderer.default)(content);
        const $text = (0, _renderer.default)("<span>").addClass("dx-button-text").text(data.text);
        $content.append($text).append(this._$fileInput);
        return $content
    };
    _proto._renderInputWrapper = function() {
        this._$inputWrapper = (0, _renderer.default)("<div>").addClass("dx-fileuploader-input-wrapper").appendTo(this._$content)
    };
    _proto._detachDragEventHandlers = function(target) {
        if (!(0, _type.isDefined)(target)) {
            return
        }
        _events_engine.default.off((0, _renderer.default)(target), (0, _index.addNamespace)("", this.NAME))
    };
    _proto._attachDragEventHandlers = function(target) {
        const isCustomTarget = target !== this._$inputWrapper;
        if (!(0, _type.isDefined)(target) || !this._shouldDragOverBeRendered()) {
            return
        }
        this._detachDragEventHandlers(target);
        target = (0, _renderer.default)(target);
        _events_engine.default.on(target, (0, _index.addNamespace)("dragenter", this.NAME), this._dragEnterHandler.bind(this, isCustomTarget));
        _events_engine.default.on(target, (0, _index.addNamespace)("dragover", this.NAME), this._dragOverHandler.bind(this, isCustomTarget));
        _events_engine.default.on(target, (0, _index.addNamespace)("dragleave", this.NAME), this._dragLeaveHandler.bind(this, isCustomTarget));
        _events_engine.default.on(target, (0, _index.addNamespace)("drop", this.NAME), this._dropHandler.bind(this, isCustomTarget))
    };
    _proto._applyInputAttributes = function(customAttributes) {
        this._$fileInput.attr(customAttributes)
    };
    _proto._useInputForDrop = function() {
        return this.option("nativeDropSupported") && "useForm" === this.option("uploadMode")
    };
    _proto._getDropZoneElement = function(isCustomTarget, e) {
        let targetList = isCustomTarget ? Array.from((0, _renderer.default)(this.option("dropZone"))) : [this._$inputWrapper];
        targetList = targetList.map(element => (0, _renderer.default)(element).get(0));
        return targetList[targetList.indexOf(e.currentTarget)]
    };
    _proto._dragEnterHandler = function(isCustomTarget, e) {
        if (this.option("disabled")) {
            return false
        }
        if (!this._useInputForDrop()) {
            e.preventDefault()
        }
        const dropZoneElement = this._getDropZoneElement(isCustomTarget, e);
        if ((0, _type.isDefined)(dropZoneElement) && this._shouldRaiseDragOver(e, dropZoneElement)) {
            this._activeDropZone = dropZoneElement;
            this._tryToggleDropZoneActive(true, isCustomTarget, e)
        }
    };
    _proto._shouldRaiseDragOver = function(e, dropZoneElement) {
        return null === this._activeDropZone && this.isMouseOverElement(e, dropZoneElement, false) && e.originalEvent.dataTransfer.types.find(item => "Files" === item)
    };
    _proto._dragOverHandler = function(isCustomTarget, e) {
        if (!this._useInputForDrop()) {
            e.preventDefault()
        }
        e.originalEvent.dataTransfer.dropEffect = "copy";
        if (!isCustomTarget) {
            const dropZoneElement = this._getDropZoneElement(false, e);
            if (this._shouldRaiseDragOver(e, dropZoneElement)) {
                this._dragEnterHandler(false, e)
            }
            if (this._shouldRaiseDragLeave(e, false)) {
                this._dragLeaveHandler(false, e)
            }
        }
    };
    _proto._dragLeaveHandler = function(isCustomTarget, e) {
        if (!this._useInputForDrop()) {
            e.preventDefault()
        }
        if (this._shouldRaiseDragLeave(e, isCustomTarget)) {
            this._tryToggleDropZoneActive(false, isCustomTarget, e);
            this._activeDropZone = null
        }
    };
    _proto._shouldRaiseDragLeave = function(e, isCustomTarget) {
        return null !== this._activeDropZone && !this.isMouseOverElement(e, this._activeDropZone, !isCustomTarget, -1)
    };
    _proto._tryToggleDropZoneActive = function(active, isCustom, event) {
        const classAction = active ? "addClass" : "removeClass";
        const mouseAction = active ? "_dropZoneEnterAction" : "_dropZoneLeaveAction";
        this[mouseAction]({
            event: event,
            dropZoneElement: this._activeDropZone
        });
        if (!isCustom) {
            this.$element()[classAction]("dx-fileuploader-dragover")
        }
    };
    _proto._dropHandler = function(isCustomTarget, e) {
        this._activeDropZone = null;
        if (!isCustomTarget) {
            this.$element().removeClass("dx-fileuploader-dragover")
        }
        if (this._useInputForDrop() || isCustomTarget && this._isInteractionDisabled()) {
            return
        }
        e.preventDefault();
        const fileList = e.originalEvent.dataTransfer.files;
        const files = this._getFiles(fileList);
        if (!this.option("multiple") && files.length > 1 || 0 === files.length) {
            return
        }
        this._changeValue(files);
        if ("instantly" === this.option("uploadMode")) {
            this._uploadFiles()
        }
    };
    _proto._areAllFilesLoaded = function() {
        return this._files.every(file => !file.isValid() || file._isError || file._isLoaded || file.isAborted)
    };
    _proto._handleAllFilesUploaded = function() {
        this._recalculateProgress();
        if (this._areAllFilesLoaded()) {
            this._filesUploadedAction()
        }
    };
    _proto._getAllowedFileTypes = function(acceptSting) {
        if (!acceptSting.length) {
            return []
        }
        return acceptSting.split(",").map(item => item.trim())
    };
    _proto._isFileTypeAllowed = function(file, allowedTypes) {
        for (let i = 0, n = allowedTypes.length; i < n; i++) {
            let allowedType = allowedTypes[i];
            if ("." === allowedType[0]) {
                allowedType = allowedType.replace(".", "\\.");
                if (file.name.match(new RegExp(allowedType + "$", "i"))) {
                    return true
                }
            } else {
                allowedType = allowedType.replace(new RegExp("\\*", "g"), "");
                if (file.type.match(new RegExp(allowedType, "i"))) {
                    return true
                }
            }
        }
        return false
    };
    _proto._renderWrapper = function() {
        const $wrapper = (0, _renderer.default)("<div>").addClass("dx-fileuploader-wrapper").appendTo(this.$element());
        const $container = (0, _renderer.default)("<div>").addClass("dx-fileuploader-container").appendTo($wrapper);
        this._$content = (0, _renderer.default)("<div>").addClass("dx-fileuploader-content").appendTo($container)
    };
    _proto._clean = function() {
        this._$fileInput.detach();
        delete this._$filesContainer;
        this._detachSelectFileDialogHandler(this.option("dialogTrigger"));
        this._detachDragEventHandlers(this.option("dropZone"));
        if (this._files) {
            this._files.forEach(file => {
                file.$file = null;
                file.$statusMessage = null
            })
        }
        _Editor.prototype._clean.call(this)
    };
    _proto.abortUpload = function(fileData) {
        if ("useForm" === this.option("uploadMode")) {
            return
        }
        if ((0, _type.isDefined)(fileData)) {
            const file = this._getFile(fileData);
            if (file) {
                this._preventFilesUploading([file])
            }
        } else {
            this._preventFilesUploading(this._files)
        }
    };
    _proto.upload = function(fileData) {
        if ("useForm" === this.option("uploadMode")) {
            return
        }
        if ((0, _type.isDefined)(fileData)) {
            const file = this._getFile(fileData);
            if (file && isFormDataSupported()) {
                this._uploadFile(file)
            }
        } else {
            this._uploadFiles()
        }
    };
    _proto._uploadFiles = function() {
        if (isFormDataSupported()) {
            (0, _iterator.each)(this._files, (_, file) => this._uploadFile(file))
        }
    };
    _proto._uploadFile = function(file) {
        this._uploadStrategy.upload(file)
    };
    _proto._updateProgressBar = function(file, loadedFileData) {
        file.progressBar && file.progressBar.option({
            value: loadedFileData.loaded,
            showStatus: true
        });
        this._progressAction({
            file: file.value,
            segmentSize: loadedFileData.currentSegmentSize,
            bytesLoaded: loadedFileData.loaded,
            bytesTotal: loadedFileData.total,
            event: loadedFileData.event,
            request: file.request
        })
    };
    _proto._updateTotalProgress = function(totalFilesSize, totalLoadedFilesSize) {
        let progress = 0;
        if ((0, _type.isDefined)(totalFilesSize)) {
            if (this._files.length > 0 && this._areAllFilesLoaded() && 0 === totalFilesSize && 0 === totalLoadedFilesSize) {
                progress = this._getProgressValue(1)
            } else if (totalFilesSize) {
                progress = this._getProgressValue(totalLoadedFilesSize / totalFilesSize)
            }
        }
        this.option("progress", progress);
        this._setLoadedSize(totalLoadedFilesSize)
    };
    _proto._getProgressValue = function(ratio) {
        return Math.floor(100 * ratio)
    };
    _proto._initStatusMessage = function(file) {
        file.$statusMessage.css("display", "none")
    };
    _proto._ensureCancelButtonInitialized = function(file) {
        if (file.isInitialized) {
            return
        }
        file.cancelButton.option("onClick", () => {
            this._preventFilesUploading([file]);
            this._removeFile(file)
        });
        const hideCancelButton = () => {
            setTimeout(() => {
                file.cancelButton.option({
                    visible: false
                })
            }, 400)
        };
        file.onLoad.add(hideCancelButton);
        file.onError.add(hideCancelButton)
    };
    _proto._createProgressBar = function(fileSize) {
        return this._createComponent((0, _renderer.default)("<div>"), _progress_bar.default, {
            value: void 0,
            min: 0,
            max: fileSize,
            statusFormat: ratio => this._getProgressValue(ratio) + "%",
            showStatus: false,
            statusPosition: "right"
        })
    };
    _proto._getTotalFilesSize = function() {
        if (!this._totalFilesSize) {
            this._totalFilesSize = 0;
            (0, _iterator.each)(this._files, (_, file) => {
                this._totalFilesSize += file.value.size
            })
        }
        return this._totalFilesSize
    };
    _proto._getTotalLoadedFilesSize = function() {
        if (!this._totalLoadedFilesSize) {
            this._totalLoadedFilesSize = 0;
            (0, _iterator.each)(this._files, (_, file) => {
                this._totalLoadedFilesSize += file.loadedSize
            })
        }
        return this._totalLoadedFilesSize
    };
    _proto._setLoadedSize = function(value) {
        this._totalLoadedFilesSize = value
    };
    _proto._recalculateProgress = function() {
        this._totalFilesSize = 0;
        this._totalLoadedFilesSize = 0;
        this._updateTotalProgress(this._getTotalFilesSize(), this._getTotalLoadedFilesSize())
    };
    _proto.isMouseOverElement = function(mouseEvent, element, correctPseudoElements) {
        let dragEventDelta = arguments.length > 3 && void 0 !== arguments[3] ? arguments[3] : 1;
        if (!element) {
            return false
        }
        const beforeHeight = correctPseudoElements ? parseFloat(window.getComputedStyle(element, ":before").height) : 0;
        const afterHeight = correctPseudoElements ? parseFloat(window.getComputedStyle(element, ":after").height) : 0;
        const x = (0, _size.getOffset)(element).left;
        const y = (0, _size.getOffset)(element).top + beforeHeight;
        const w = element.offsetWidth;
        const h = element.offsetHeight - beforeHeight - afterHeight;
        const eventX = this._getEventX(mouseEvent);
        const eventY = this._getEventY(mouseEvent);
        return eventX + dragEventDelta >= x && eventX - dragEventDelta < x + w && eventY + dragEventDelta >= y && eventY - dragEventDelta < y + h
    };
    _proto._getEventX = function(e) {
        return (0, _index.isTouchEvent)(e) ? this._getTouchEventX(e) : e.clientX + this._getDocumentScrollLeft()
    };
    _proto._getEventY = function(e) {
        return (0, _index.isTouchEvent)(e) ? this._getTouchEventY(e) : e.clientY + this._getDocumentScrollTop()
    };
    _proto._getTouchEventX = function(e) {
        let touchPoint = null;
        if (e.changedTouches.length > 0) {
            touchPoint = e.changedTouches
        } else if (e.targetTouches.length > 0) {
            touchPoint = e.targetTouches
        }
        return touchPoint ? touchPoint[0].pageX : 0
    };
    _proto._getTouchEventY = function(e) {
        let touchPoint = null;
        if (e.changedTouches.length > 0) {
            touchPoint = e.changedTouches
        } else if (e.targetTouches.length > 0) {
            touchPoint = e.targetTouches
        }
        return touchPoint ? touchPoint[0].pageY : 0
    };
    _proto._getDocumentScrollTop = function() {
        const document = _dom_adapter.default.getDocument();
        return document.documentElement.scrollTop || document.body.scrollTop
    };
    _proto._getDocumentScrollLeft = function() {
        const document = _dom_adapter.default.getDocument();
        return document.documentElement.scrollLeft || document.body.scrollLeft
    };
    _proto._updateReadOnlyState = function() {
        const readOnly = this.option("readOnly");
        this._selectButton.option("disabled", readOnly);
        this._files.forEach(file => {
            var _file$cancelButton;
            return null === (_file$cancelButton = file.cancelButton) || void 0 === _file$cancelButton ? void 0 : _file$cancelButton.option("disabled", readOnly)
        });
        this._updateInputLabelText();
        this._attachDragEventHandlers(this._$inputWrapper)
    };
    _proto._updateHoverState = function() {
        var _this$_selectButton, _this$_uploadButton;
        const value = this.option("hoverStateEnabled");
        null === (_this$_selectButton = this._selectButton) || void 0 === _this$_selectButton ? void 0 : _this$_selectButton.option("hoverStateEnabled", value);
        null === (_this$_uploadButton = this._uploadButton) || void 0 === _this$_uploadButton ? void 0 : _this$_uploadButton.option("hoverStateEnabled", value);
        this._files.forEach(file => {
            var _file$uploadButton, _file$cancelButton2;
            null === (_file$uploadButton = file.uploadButton) || void 0 === _file$uploadButton ? void 0 : _file$uploadButton.option("hoverStateEnabled", value);
            null === (_file$cancelButton2 = file.cancelButton) || void 0 === _file$cancelButton2 ? void 0 : _file$cancelButton2.option("hoverStateEnabled", value)
        })
    };
    _proto._optionChanged = function(args) {
        const {
            name: name,
            value: value,
            previousValue: previousValue
        } = args;
        switch (name) {
            case "height":
            case "width":
                this._updateFileNameMaxWidth();
                _Editor.prototype._optionChanged.call(this, args);
                break;
            case "value":
                !value.length && this._$fileInput.val("");
                if (!this._preventRecreatingFiles) {
                    this._createFiles();
                    this._renderFiles()
                }
                this._recalculateProgress();
                _Editor.prototype._optionChanged.call(this, args);
                break;
            case "name":
                this._initFileInput();
                _Editor.prototype._optionChanged.call(this, args);
                break;
            case "accept":
                this._initFileInput();
                break;
            case "multiple":
                this._initFileInput();
                if (!args.value) {
                    this.clear()
                }
                break;
            case "readOnly":
                this._updateReadOnlyState();
                _Editor.prototype._optionChanged.call(this, args);
                break;
            case "disabled":
                this._updateInputLabelText();
                _Editor.prototype._optionChanged.call(this, args);
                break;
            case "selectButtonText":
                this._selectButton.option("text", value);
                break;
            case "uploadButtonText":
                this._uploadButton && this._uploadButton.option("text", value);
                break;
            case "_uploadButtonType":
                this._uploadButton && this._uploadButton.option("type", value);
                break;
            case "_buttonStylingMode":
                this._files.forEach(file => {
                    var _file$uploadButton2, _file$cancelButton3;
                    null === (_file$uploadButton2 = file.uploadButton) || void 0 === _file$uploadButton2 ? void 0 : _file$uploadButton2.option("stylingMode", value);
                    null === (_file$cancelButton3 = file.cancelButton) || void 0 === _file$cancelButton3 ? void 0 : _file$cancelButton3.option("stylingMode", value)
                });
                break;
            case "dialogTrigger":
                this._detachSelectFileDialogHandler(previousValue);
                this._attachSelectFileDialogHandler(value);
                break;
            case "dropZone":
                this._detachDragEventHandlers(previousValue);
                this._attachDragEventHandlers(value);
                break;
            case "maxFileSize":
            case "minFileSize":
            case "allowedFileExtensions":
            case "invalidFileExtensionMessage":
            case "invalidMaxFileSizeMessage":
            case "invalidMinFileSizeMessage":
            case "readyToUploadMessage":
            case "uploadedMessage":
            case "uploadFailedMessage":
            case "uploadAbortedMessage":
                this._invalidate();
                break;
            case "labelText":
                this._updateInputLabelText();
                break;
            case "showFileList":
                if (!this._preventRecreatingFiles) {
                    this._renderFiles()
                }
                break;
            case "uploadFile":
            case "uploadChunk":
            case "chunkSize":
                this._setUploadStrategy();
                break;
            case "abortUpload":
            case "uploadUrl":
            case "progress":
            case "uploadMethod":
            case "uploadHeaders":
            case "uploadCustomData":
            case "extendSelection":
                break;
            case "hoverStateEnabled":
                this._updateHoverState();
                _Editor.prototype._optionChanged.call(this, args);
                break;
            case "allowCanceling":
            case "uploadMode":
                this.clear();
                this._invalidate();
                break;
            case "onBeforeSend":
                this._createBeforeSendAction();
                break;
            case "onUploadStarted":
                this._createUploadStartedAction();
                break;
            case "onUploaded":
                this._createUploadedAction();
                break;
            case "onFilesUploaded":
                this._createFilesUploadedAction();
                break;
            case "onProgress":
                this._createProgressAction();
                break;
            case "onUploadError":
                this._createUploadErrorAction();
                break;
            case "onUploadAborted":
                this._createUploadAbortedAction();
                break;
            case "onDropZoneEnter":
                this._createDropZoneEnterAction();
                break;
            case "onDropZoneLeave":
                this._createDropZoneLeaveAction();
                break;
            case "useNativeInputClick":
                this._renderInput();
                break;
            case "useDragOver":
                this._attachDragEventHandlers(this._$inputWrapper);
                break;
            case "nativeDropSupported":
                this._invalidate();
                break;
            case "inputAttr":
                this._applyInputAttributes(this.option(name));
                break;
            case "hint":
                this._initFileInput();
                _Editor.prototype._optionChanged.call(this, args);
                break;
            default:
                _Editor.prototype._optionChanged.call(this, args)
        }
    };
    _proto._resetInputValue = function(force) {
        if ("useForm" === this.option("uploadMode") && !force) {
            return
        }
        this._doPreventInputChange = true;
        this._$fileInput.val("");
        this._doPreventInputChange = false
    };
    _proto.clear = function() {
        this.option("value", [])
    };
    return FileUploader
}(_editor.default);
let FileBlobReader = function() {
    function FileBlobReader(file, chunkSize) {
        this.file = file;
        this.chunkSize = chunkSize;
        this.index = 0
    }
    var _proto2 = FileBlobReader.prototype;
    _proto2.read = function() {
        if (!this.file) {
            return null
        }
        const result = this.createBlobResult(this.file, this.index, this.chunkSize);
        if (result.isCompleted) {
            this.file = null
        }
        this.index++;
        return result
    };
    _proto2.createBlobResult = function(file, index, chunkSize) {
        const currentPosition = index * chunkSize;
        return {
            blob: this.sliceFile(file, currentPosition, chunkSize),
            index: index,
            isCompleted: currentPosition + chunkSize >= file.size
        }
    };
    _proto2.sliceFile = function(file, startPos, length) {
        if (file.slice) {
            return file.slice(startPos, startPos + length)
        }
        if (file.webkitSlice) {
            return file.webkitSlice(startPos, startPos + length)
        }
        return null
    };
    return FileBlobReader
}();
let FileUploadStrategyBase = function() {
    function FileUploadStrategyBase(fileUploader) {
        this.fileUploader = fileUploader
    }
    var _proto3 = FileUploadStrategyBase.prototype;
    _proto3.upload = function(file) {
        if (file.isInitialized && file.isAborted) {
            this.fileUploader._resetFileState(file)
        }
        if (file.isValid() && !file.uploadStarted) {
            this._prepareFileBeforeUpload(file);
            this._uploadCore(file)
        }
    };
    _proto3.abortUpload = function(file) {
        if (file._isError || file._isLoaded || file.isAborted || !file.uploadStarted) {
            return
        }
        file.isAborted = true;
        file.request && file.request.abort();
        if (this._isCustomCallback("abortUpload")) {
            const abortUpload = this.fileUploader.option("abortUpload");
            const arg = this._createUploadArgument(file);
            let deferred = null;
            try {
                const result = abortUpload(file.value, arg);
                deferred = (0, _deferred.fromPromise)(result)
            } catch (error) {
                deferred = (new _deferred.Deferred).reject(error).promise()
            }
            deferred.done(() => file.onAbort.fire()).fail(error => this._handleFileError(file, error))
        }
    };
    _proto3._beforeSend = function(xhr, file) {
        const arg = this._createUploadArgument(file);
        this.fileUploader._beforeSendAction({
            request: xhr,
            file: file.value,
            uploadInfo: arg
        });
        file.request = xhr
    };
    _proto3._createUploadArgument = function(file) {};
    _proto3._uploadCore = function(file) {};
    _proto3._isCustomCallback = function(name) {
        const callback = this.fileUploader.option(name);
        return callback && (0, _type.isFunction)(callback)
    };
    _proto3._handleProgress = function(file, e) {
        if (file._isError) {
            return
        }
        file._isProgressStarted = true;
        this._handleProgressCore(file, e)
    };
    _proto3._handleProgressCore = function(file, e) {};
    _proto3._handleFileError = function(file, error) {
        file._isError = true;
        file.onError.fire(error)
    };
    _proto3._prepareFileBeforeUpload = function(file) {
        if (file.$file) {
            var _file$progressBar;
            null === (_file$progressBar = file.progressBar) || void 0 === _file$progressBar ? void 0 : _file$progressBar.dispose();
            this.fileUploader._createFileProgressBar(file)
        }
        if (file.isInitialized) {
            return
        }
        file.onLoadStart.add(this._onUploadStarted.bind(this, file));
        file.onLoad.add(this._onLoadedHandler.bind(this, file));
        file.onError.add(this._onErrorHandler.bind(this, file));
        file.onAbort.add(this._onAbortHandler.bind(this, file));
        file.onProgress.add(this._onProgressHandler.bind(this, file));
        file.isInitialized = true
    };
    _proto3._shouldHandleError = function(file, e) {
        return (this._isStatusError(e.status) || !file._isProgressStarted) && !file.isAborted
    };
    _proto3._isStatusError = function(status) {
        return 400 <= status && status < 500 || 500 <= status && status < 600
    };
    _proto3._onUploadStarted = function(file, e) {
        file.uploadStarted = true;
        this.fileUploader._uploadStartedAction({
            file: file.value,
            event: e,
            request: file.request
        })
    };
    _proto3._onAbortHandler = function(file, e) {
        const args = {
            file: file.value,
            event: e,
            request: file.request,
            message: this.fileUploader._getUploadAbortedStatusMessage()
        };
        this.fileUploader._uploadAbortedAction(args);
        this.fileUploader._setStatusMessage(file, args.message);
        this.fileUploader._handleAllFilesUploaded()
    };
    _proto3._onErrorHandler = function(file, error) {
        const args = {
            file: file.value,
            event: void 0,
            request: file.request,
            error: error,
            message: this.fileUploader.option("uploadFailedMessage")
        };
        this.fileUploader._uploadErrorAction(args);
        this.fileUploader._setStatusMessage(file, args.message);
        this.fileUploader._handleAllFilesUploaded()
    };
    _proto3._onLoadedHandler = function(file, e) {
        const args = {
            file: file.value,
            event: e,
            request: file.request,
            message: this.fileUploader.option("uploadedMessage")
        };
        file._isLoaded = true;
        this.fileUploader._uploadedAction(args);
        this.fileUploader._setStatusMessage(file, args.message);
        this.fileUploader._handleAllFilesUploaded()
    };
    _proto3._onProgressHandler = function(file, e) {
        if (file) {
            const totalFilesSize = this.fileUploader._getTotalFilesSize();
            const totalLoadedFilesSize = this.fileUploader._getTotalLoadedFilesSize();
            const loadedSize = Math.min(e.loaded, file.value.size);
            const segmentSize = loadedSize - file.loadedSize;
            file.loadedSize = loadedSize;
            this.fileUploader._updateTotalProgress(totalFilesSize, totalLoadedFilesSize + segmentSize);
            this.fileUploader._updateProgressBar(file, this._getLoadedData(loadedSize, e.total, segmentSize, e))
        }
    };
    _proto3._getLoadedData = function(loaded, total, currentSegmentSize, event) {
        return {
            loaded: loaded,
            total: total,
            currentSegmentSize: currentSegmentSize
        }
    };
    _proto3._extendFormData = function(formData) {
        const formDataEntries = this.fileUploader.option("uploadCustomData");
        for (const entryName in formDataEntries) {
            if (Object.prototype.hasOwnProperty.call(formDataEntries, entryName) && (0, _type.isDefined)(formDataEntries[entryName])) {
                formData.append(entryName, formDataEntries[entryName])
            }
        }
    };
    return FileUploadStrategyBase
}();
let ChunksFileUploadStrategyBase = function(_FileUploadStrategyBa) {
    _inheritsLoose(ChunksFileUploadStrategyBase, _FileUploadStrategyBa);

    function ChunksFileUploadStrategyBase(fileUploader) {
        var _this;
        _this = _FileUploadStrategyBa.call(this, fileUploader) || this;
        _this.chunkSize = _this.fileUploader.option("chunkSize");
        return _this
    }
    var _proto4 = ChunksFileUploadStrategyBase.prototype;
    _proto4._uploadCore = function(file) {
        const realFile = file.value;
        const chunksData = {
            name: realFile.name,
            loadedBytes: 0,
            type: realFile.type,
            blobReader: new FileBlobReader(realFile, this.chunkSize),
            guid: new _guid.default,
            fileSize: realFile.size,
            count: this._getFileChunksCount(realFile),
            customData: {}
        };
        file.chunksData = chunksData;
        this._sendChunk(file, chunksData)
    };
    _proto4._getFileChunksCount = function(jsFile) {
        return 0 === jsFile.size ? 1 : Math.ceil(jsFile.size / this.chunkSize)
    };
    _proto4._sendChunk = function(file, chunksData) {
        const chunk = chunksData.blobReader.read();
        chunksData.currentChunk = chunk;
        if (chunk) {
            this._sendChunkCore(file, chunksData, chunk).done(() => {
                if (file.isAborted) {
                    return
                }
                chunksData.loadedBytes += chunk.blob.size;
                file.onProgress.fire({
                    loaded: chunksData.loadedBytes,
                    total: file.value.size
                });
                if (chunk.isCompleted) {
                    file.onLoad.fire()
                }
                setTimeout(() => this._sendChunk(file, chunksData))
            }).fail(error => {
                if (this._shouldHandleError(file, error)) {
                    this._handleFileError(file, error)
                }
            })
        }
    };
    _proto4._sendChunkCore = function(file, chunksData, chunk) {};
    _proto4._tryRaiseStartLoad = function(file) {
        if (!file.isStartLoad) {
            file.isStartLoad = true;
            file.onLoadStart.fire()
        }
    };
    _proto4._getEvent = function(e) {
        return null
    };
    _proto4._createUploadArgument = function(file) {
        return this._createChunksInfo(file.chunksData)
    };
    _proto4._createChunksInfo = function(chunksData) {
        return {
            bytesUploaded: chunksData.loadedBytes,
            chunkCount: chunksData.count,
            customData: chunksData.customData,
            chunkBlob: chunksData.currentChunk.blob,
            chunkIndex: chunksData.currentChunk.index
        }
    };
    return ChunksFileUploadStrategyBase
}(FileUploadStrategyBase);
let DefaultChunksFileUploadStrategy = function(_ChunksFileUploadStra) {
    _inheritsLoose(DefaultChunksFileUploadStrategy, _ChunksFileUploadStra);

    function DefaultChunksFileUploadStrategy() {
        return _ChunksFileUploadStra.apply(this, arguments) || this
    }
    var _proto5 = DefaultChunksFileUploadStrategy.prototype;
    _proto5._sendChunkCore = function(file, chunksData, chunk) {
        return _ajax.default.sendRequest({
            url: this.fileUploader.option("uploadUrl"),
            method: this.fileUploader.option("uploadMethod"),
            headers: this.fileUploader.option("uploadHeaders"),
            beforeSend: xhr => this._beforeSend(xhr, file),
            upload: {
                onprogress: e => this._handleProgress(file, e),
                onloadstart: () => this._tryRaiseStartLoad(file),
                onabort: () => file.onAbort.fire()
            },
            data: this._createFormData({
                fileName: chunksData.name,
                blobName: this.fileUploader.option("name"),
                blob: chunk.blob,
                index: chunk.index,
                count: chunksData.count,
                type: chunksData.type,
                guid: chunksData.guid,
                size: chunksData.fileSize
            })
        })
    };
    _proto5._createFormData = function(options) {
        const formData = new window.FormData;
        formData.append(options.blobName, options.blob);
        formData.append("chunkMetadata", JSON.stringify({
            FileName: options.fileName,
            Index: options.index,
            TotalCount: options.count,
            FileSize: options.size,
            FileType: options.type,
            FileGuid: options.guid
        }));
        this._extendFormData(formData);
        return formData
    };
    return DefaultChunksFileUploadStrategy
}(ChunksFileUploadStrategyBase);
let CustomChunksFileUploadStrategy = function(_ChunksFileUploadStra2) {
    _inheritsLoose(CustomChunksFileUploadStrategy, _ChunksFileUploadStra2);

    function CustomChunksFileUploadStrategy() {
        return _ChunksFileUploadStra2.apply(this, arguments) || this
    }
    var _proto6 = CustomChunksFileUploadStrategy.prototype;
    _proto6._sendChunkCore = function(file, chunksData) {
        this._tryRaiseStartLoad(file);
        const chunksInfo = this._createChunksInfo(chunksData);
        const uploadChunk = this.fileUploader.option("uploadChunk");
        try {
            const result = uploadChunk(file.value, chunksInfo);
            return (0, _deferred.fromPromise)(result)
        } catch (error) {
            return (new _deferred.Deferred).reject(error).promise()
        }
    };
    _proto6._shouldHandleError = function(file, error) {
        return true
    };
    return CustomChunksFileUploadStrategy
}(ChunksFileUploadStrategyBase);
let WholeFileUploadStrategyBase = function(_FileUploadStrategyBa2) {
    _inheritsLoose(WholeFileUploadStrategyBase, _FileUploadStrategyBa2);

    function WholeFileUploadStrategyBase() {
        return _FileUploadStrategyBa2.apply(this, arguments) || this
    }
    var _proto7 = WholeFileUploadStrategyBase.prototype;
    _proto7._uploadCore = function(file) {
        file.loadedSize = 0;
        this._uploadFile(file).done(() => {
            if (!file.isAborted) {
                file.onLoad.fire()
            }
        }).fail(error => {
            if (this._shouldHandleError(file, error)) {
                this._handleFileError(file, error)
            }
        })
    };
    _proto7._uploadFile = function(file) {};
    _proto7._handleProgressCore = function(file, e) {
        file.onProgress.fire(e)
    };
    _proto7._getLoadedData = function(loaded, total, segmentSize, event) {
        const result = _FileUploadStrategyBa2.prototype._getLoadedData.call(this, loaded, total, segmentSize, event);
        result.event = event;
        return result
    };
    return WholeFileUploadStrategyBase
}(FileUploadStrategyBase);
let DefaultWholeFileUploadStrategy = function(_WholeFileUploadStrat) {
    _inheritsLoose(DefaultWholeFileUploadStrategy, _WholeFileUploadStrat);

    function DefaultWholeFileUploadStrategy() {
        return _WholeFileUploadStrat.apply(this, arguments) || this
    }
    var _proto8 = DefaultWholeFileUploadStrategy.prototype;
    _proto8._uploadFile = function(file) {
        return _ajax.default.sendRequest({
            url: this.fileUploader.option("uploadUrl"),
            method: this.fileUploader.option("uploadMethod"),
            headers: this.fileUploader.option("uploadHeaders"),
            beforeSend: xhr => this._beforeSend(xhr, file),
            upload: {
                onprogress: e => this._handleProgress(file, e),
                onloadstart: () => file.onLoadStart.fire(),
                onabort: () => file.onAbort.fire()
            },
            data: this._createFormData(this.fileUploader.option("name"), file.value)
        })
    };
    _proto8._createFormData = function(fieldName, fieldValue) {
        const formData = new window.FormData;
        formData.append(fieldName, fieldValue, fieldValue.name);
        this._extendFormData(formData);
        return formData
    };
    return DefaultWholeFileUploadStrategy
}(WholeFileUploadStrategyBase);
let CustomWholeFileUploadStrategy = function(_WholeFileUploadStrat2) {
    _inheritsLoose(CustomWholeFileUploadStrategy, _WholeFileUploadStrat2);

    function CustomWholeFileUploadStrategy() {
        return _WholeFileUploadStrat2.apply(this, arguments) || this
    }
    var _proto9 = CustomWholeFileUploadStrategy.prototype;
    _proto9._uploadFile = function(file) {
        file.onLoadStart.fire();
        const progressCallback = loadedBytes => {
            const arg = {
                loaded: loadedBytes,
                total: file.value.size
            };
            this._handleProgress(file, arg)
        };
        const uploadFile = this.fileUploader.option("uploadFile");
        try {
            const result = uploadFile(file.value, progressCallback);
            return (0, _deferred.fromPromise)(result)
        } catch (error) {
            return (new _deferred.Deferred).reject(error).promise()
        }
    };
    _proto9._shouldHandleError = function(file, e) {
        return true
    };
    return CustomWholeFileUploadStrategy
}(WholeFileUploadStrategyBase);
(0, _component_registrator.default)("dxFileUploader", FileUploader);
var _default = FileUploader;
exports.default = _default;
module.exports = exports.default;
module.exports.default = exports.default;
