dbp-qualified-signature-pdf-upload.js

import {createI18nInstance} from './i18n.js';
import {humanFileSize} from '@dbp-toolkit/common/i18next.js';
import {css, html} from 'lit-element';
import {ScopedElementsMixin} from '@open-wc/scoped-elements';
import DBPSignatureLitElement from "./dbp-signature-lit-element";
import {PdfPreview} from "./dbp-pdf-preview";
import * as commonUtils from '@dbp-toolkit/common/utils';
import * as utils from './utils';
import {Button, Icon, MiniSpinner} from '@dbp-toolkit/common';
import * as commonStyles from '@dbp-toolkit/common/styles';
import {classMap} from 'lit-html/directives/class-map.js';
import {FileSource} from '@dbp-toolkit/file-handling';
import JSONLD from "@dbp-toolkit/common/jsonld";
import {TextSwitch} from './textswitch.js';
import nextcloudWebAppPasswordURL from 'consts:nextcloudWebAppPasswordURL';
import nextcloudWebDavURL from 'consts:nextcloudWebDavURL';
import nextcloudName from 'consts:nextcloudName';
import {FileSink} from "@dbp-toolkit/file-handling";
import {name as pkgName} from './../package.json';
import {getPDFSignatureCount} from './utils.js';
import {send as notify} from '@dbp-toolkit/common/notification';

const i18n = createI18nInstance();

class QualifiedSignaturePdfUpload extends ScopedElementsMixin(DBPSignatureLitElement) {
    constructor() {
        super();
        this.lang = i18n.language;
        this.entryPointUrl = commonUtils.getAPiUrl();
        this.externalAuthInProgress = false;
        this.signedFiles = [];
        this.signedFilesCount = 0;
        this.signedFilesToDownload = 0;
        this.errorFiles = [];
        this.errorFilesCount = 0;
        this.uploadStatusFileName = "";
        this.uploadStatusText = "";
        this.currentFile = {};
        this.currentFileName = "";
        this.currentFilePlacementMode = "";
        this.currentFileSignaturePlacement = {};
        this.signingProcessEnabled = false;
        this.signingProcessActive = false;
        this.signaturePlacementInProgress = false;
        this.withSigBlock = false;
        this.queuedFilesSignaturePlacements = [];
        this.queuedFilesPlacementModes = [];
        this.queuedFilesNeedsPlacement = new Map();
        this.currentPreviewQueueKey = '';

        this._onReceiveIframeMessage = this.onReceiveIframeMessage.bind(this);
        this._onReceiveBeforeUnload = this.onReceiveBeforeUnload.bind(this);
    }

    static get scopedElements() {
        return {
          'dbp-icon': Icon,
          'dbp-file-source': FileSource,
          'dbp-file-sink': FileSink,
          'dbp-pdf-preview': PdfPreview,
          'dbp-mini-spinner': MiniSpinner,
          'dbp-button': Button,
          'dbp-textswitch': TextSwitch,
        };
    }

    static get properties() {
        return {
            lang: { type: String },
            entryPointUrl: { type: String, attribute: 'entry-point-url' },