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 {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';
import metadata from './dbp-qualified-signature-pdf-upload.metadata.json';
import {Activity} from './activity.js';
import {PdfAnnotationView} from "./dbp-pdf-annotation-view";

const i18n = createI18nInstance();

class QualifiedSignaturePdfUpload extends ScopedElementsMixin(DBPSignatureLitElement) {
    constructor() {
        super();
        this.lang = i18n.language;
        this.entryPointUrl = '';
        this.nextcloudWebAppPasswordURL = "";
        this.nextcloudWebDavURL = "";
        this.nextcloudName = "";
        this.nextcloudFileURL = "";
        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.allowAnnotating = false;
        this.queuedFilesAnnotations = [];
        this.queuedFilesAnnotationsCount = 0;
        this.queuedFilesEnabledAnnotations = [];
        this.isAnnotationViewVisible = false;
        this.addAnnotationInProgress = false;

        this.activity = new Activity(metadata);

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

    static get scopedElements() {
        return {
          'dbp-icon': Icon,
          'dbp-file-source': FileSource,