628 lines
20 KiB
JavaScript
628 lines
20 KiB
JavaScript
// Converse.js (A browser based XMPP chat client)
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// https://conversejs.org
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//
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// This is a form utilities module.
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//
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// Copyright (c) 2013-2019, Jan-Carel Brand <jc@opkode.com>
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// Licensed under the Mozilla Public License (MPLv2)
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import URI from "urijs";
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import _ from "../headless/lodash.noconflict";
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import sizzle from "sizzle";
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import tpl_audio from "../templates/audio.html";
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import tpl_field from "@converse/headless/templates/field.html";
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import tpl_file from "../templates/file.html";
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import tpl_form_captcha from "../templates/form_captcha.html";
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import tpl_form_checkbox from "../templates/form_checkbox.html";
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import tpl_form_input from "../templates/form_input.html";
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import tpl_form_select from "../templates/form_select.html";
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import tpl_form_textarea from "../templates/form_textarea.html";
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import tpl_form_url from "../templates/form_url.html";
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import tpl_form_username from "../templates/form_username.html";
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import tpl_image from "../templates/image.html";
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import tpl_select_option from "../templates/select_option.html";
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import tpl_video from "../templates/video.html";
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import u from "../headless/utils/core";
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const URL_REGEX = /\b(https?:\/\/|www\.|https?:\/\/www\.)[^\s<>]{2,200}\b\/?/g;
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const logger = _.assign({
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'debug': _.get(console, 'log') ? console.log.bind(console) : _.noop,
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'error': _.get(console, 'log') ? console.log.bind(console) : _.noop,
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'info': _.get(console, 'log') ? console.log.bind(console) : _.noop,
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'warn': _.get(console, 'log') ? console.log.bind(console) : _.noop
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}, console);
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const XFORM_TYPE_MAP = {
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'text-private': 'password',
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'text-single': 'text',
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'fixed': 'label',
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'boolean': 'checkbox',
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'hidden': 'hidden',
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'jid-multi': 'textarea',
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'list-single': 'dropdown',
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'list-multi': 'dropdown'
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};
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function slideOutWrapup (el) {
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/* Wrapup function for slideOut. */
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el.removeAttribute('data-slider-marker');
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el.classList.remove('collapsed');
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el.style.overflow = "";
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el.style.height = "";
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}
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const isImage = function (url) {
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return new Promise((resolve, reject) => {
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var img = new Image();
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var timer = window.setTimeout(function () {
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reject(new Error("Could not determine whether it's an image"));
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img = null;
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}, 3000);
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img.onerror = img.onabort = function () {
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clearTimeout(timer);
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reject(new Error("Could not determine whether it's an image"));
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};
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img.onload = function () {
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clearTimeout(timer);
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resolve(img);
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};
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img.src = url;
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});
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};
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u.isAudioURL = function (url) {
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if (!(url instanceof URI)) {
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url = new URI(url);
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}
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const filename = url.filename().toLowerCase();
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if (url.protocol().toLowerCase() !== "https") {
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return false;
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}
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return filename.endsWith('.ogg') || filename.endsWith('.mp3') || filename.endsWith('.m4a');
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}
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u.isImageURL = function (url) {
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if (!(url instanceof URI)) {
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url = new URI(url);
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}
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const filename = url.filename().toLowerCase();
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if (url.protocol().toLowerCase() !== "https") {
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return false;
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}
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return filename.endsWith('.jpg') || filename.endsWith('.jpeg') ||
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filename.endsWith('.png') || filename.endsWith('.gif') ||
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filename.endsWith('.bmp') || filename.endsWith('.tiff') ||
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filename.endsWith('.svg');
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};
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u.isVideoURL = function (url) {
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if (!(url instanceof URI)) {
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url = new URI(url);
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}
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const filename = url.filename().toLowerCase();
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if (url.protocol().toLowerCase() !== "https") {
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return false;
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}
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return filename.endsWith('.mp4') || filename.endsWith('.webm');
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}
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u.renderAudioURL = function (_converse, url) {
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const uri = new URI(url);
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if (u.isAudioURL(uri)) {
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const { __ } = _converse;
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return tpl_audio({
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'url': url,
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'label_download': __('Download audio file "%1$s"', decodeURI(uri.filename()))
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})
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}
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return url;
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};
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u.renderFileURL = function (_converse, url) {
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const uri = new URI(url);
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if (u.isImageURL(uri) || u.isVideoURL(uri) || u.isAudioURL(uri)) {
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return url;
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}
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const { __ } = _converse,
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filename = uri.filename();
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return tpl_file({
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'url': url,
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'label_download': __('Download file "%1$s"', decodeURI(filename))
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})
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};
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u.renderImageURL = function (_converse, url) {
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if (!_converse.show_images_inline) {
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return u.addHyperlinks(url);
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}
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const uri = new URI(url);
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if (u.isImageURL(uri)) {
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const { __ } = _converse;
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return tpl_image({
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'url': url,
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'label_download': __('Download image "%1$s"', decodeURI(uri.filename()))
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})
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}
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return url;
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};
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u.renderImageURLs = function (_converse, el) {
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/* Returns a Promise which resolves once all images have been loaded.
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*/
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if (!_converse.show_images_inline) {
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return Promise.resolve();
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}
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const { __ } = _converse;
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const list = el.textContent.match(URL_REGEX) || [];
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return Promise.all(
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_.map(list, url =>
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new Promise((resolve, reject) => {
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if (u.isImageURL(url)) {
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return isImage(url).then(img => {
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const i = new Image();
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i.src = img.src;
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i.addEventListener('load', resolve);
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// We also resolve for non-images, otherwise the
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// Promise.all resolves prematurely.
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i.addEventListener('error', resolve);
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const { __ } = _converse;
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_.each(sizzle(`a[href="${url}"]`, el), (a) => {
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a.outerHTML= tpl_image({
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'url': url,
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'label_download': __('Download')
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})
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});
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}).catch(resolve)
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} else {
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return resolve();
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}
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})
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)
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)
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};
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u.renderMovieURL = function (_converse, url) {
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const uri = new URI(url);
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if (u.isVideoURL(uri)) {
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const { __ } = _converse;
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return tpl_video({
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'url': url,
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'label_download': __('Download video file "%1$s"', decodeURI(uri.filename()))
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})
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}
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return url;
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};
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u.renderNewLines = function (text) {
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return text.replace(/\n\n+/g, '<br/><br/>').replace(/\n/g, '<br/>');
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};
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u.calculateElementHeight = function (el) {
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/* Return the height of the passed in DOM element,
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* based on the heights of its children.
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*/
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return _.reduce(
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el.children,
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(result, child) => result + child.offsetHeight, 0
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);
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}
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u.getNextElement = function (el, selector='*') {
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let next_el = el.nextElementSibling;
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while (!_.isNull(next_el) && !sizzle.matchesSelector(next_el, selector)) {
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next_el = next_el.nextElementSibling;
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}
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return next_el;
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}
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u.getPreviousElement = function (el, selector='*') {
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let prev_el = el.previousSibling;
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while (!_.isNull(prev_el) && !sizzle.matchesSelector(prev_el, selector)) {
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prev_el = prev_el.previousSibling
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}
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return prev_el;
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}
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u.getFirstChildElement = function (el, selector='*') {
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let first_el = el.firstElementChild;
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while (!_.isNull(first_el) && !sizzle.matchesSelector(first_el, selector)) {
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first_el = first_el.nextSibling
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}
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return first_el;
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}
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u.getLastChildElement = function (el, selector='*') {
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let last_el = el.lastElementChild;
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while (!_.isNull(last_el) && !sizzle.matchesSelector(last_el, selector)) {
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last_el = last_el.previousSibling
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}
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return last_el;
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}
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u.hasClass = function (className, el) {
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return _.includes(el.classList, className);
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};
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u.addClass = function (className, el) {
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if (el instanceof Element) {
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el.classList.add(className);
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}
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}
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u.removeClass = function (className, el) {
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if (el instanceof Element) {
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el.classList.remove(className);
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}
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return el;
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}
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u.removeElement = function (el) {
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if (!_.isNil(el) && !_.isNil(el.parentNode)) {
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el.parentNode.removeChild(el);
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}
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}
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u.showElement = _.flow(
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_.partial(u.removeClass, 'collapsed'),
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_.partial(u.removeClass, 'hidden')
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)
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u.hideElement = function (el) {
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if (!_.isNil(el)) {
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el.classList.add('hidden');
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}
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return el;
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}
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u.ancestor = function (el, selector) {
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let parent = el;
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while (!_.isNil(parent) && !sizzle.matchesSelector(parent, selector)) {
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parent = parent.parentElement;
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}
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return parent;
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}
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u.nextUntil = function (el, selector, include_self=false) {
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/* Return the element's siblings until one matches the selector. */
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const matches = [];
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let sibling_el = el.nextElementSibling;
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while (!_.isNil(sibling_el) && !sibling_el.matches(selector)) {
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matches.push(sibling_el);
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sibling_el = sibling_el.nextElementSibling;
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}
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return matches;
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}
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u.unescapeHTML = function (string) {
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/* Helper method that replace HTML-escaped symbols with equivalent characters
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* (e.g. transform occurrences of '&' to '&')
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*
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* Parameters:
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* (String) string: a String containing the HTML-escaped symbols.
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*/
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var div = document.createElement('div');
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div.innerHTML = string;
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return div.innerText;
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};
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u.escapeHTML = function (string) {
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return string
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.replace(/&/g, "&")
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.replace(/</g, "<")
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.replace(/>/g, ">")
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.replace(/"/g, """);
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};
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u.addMentionsMarkup = function (text, references, chatbox) {
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if (chatbox.get('message_type') !== 'groupchat') {
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return text;
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}
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const nick = chatbox.get('nick');
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references
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.sort((a, b) => b.begin - a.begin)
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.forEach(ref => {
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const mention = text.slice(ref.begin, ref.end)
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chatbox;
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if (mention === nick) {
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text = text.slice(0, ref.begin) + `<span class="mention mention--self badge badge-info">${mention}</span>` + text.slice(ref.end);
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} else {
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text = text.slice(0, ref.begin) + `<span class="mention">${mention}</span>` + text.slice(ref.end);
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}
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});
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return text;
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};
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u.addHyperlinks = function (text) {
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return URI.withinString(text, url => {
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const uri = new URI(url);
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url = uri.normalize()._string;
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const pretty_url = uri._parts.urn ? url : uri.readable();
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if (!uri._parts.protocol && !url.startsWith('http://') && !url.startsWith('https://')) {
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url = 'http://' + url;
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}
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if (uri._parts.protocol === 'xmpp' && uri._parts.query === 'join') {
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return `<a target="_blank" rel="noopener" class="open-chatroom" href="${url}">${u.escapeHTML(pretty_url)}</a>`;
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}
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return `<a target="_blank" rel="noopener" href="${url}">${u.escapeHTML(pretty_url)}</a>`;
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}, {
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'start': /\b(?:([a-z][a-z0-9.+-]*:\/\/)|xmpp:|mailto:|www\.)/gi
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});
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};
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u.slideInAllElements = function (elements, duration=300) {
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return Promise.all(
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_.map(
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elements,
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_.partial(u.slideIn, _, duration)
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));
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};
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u.slideToggleElement = function (el, duration) {
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if (_.includes(el.classList, 'collapsed') ||
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_.includes(el.classList, 'hidden')) {
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return u.slideOut(el, duration);
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} else {
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return u.slideIn(el, duration);
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}
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};
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u.slideOut = function (el, duration=200) {
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/* Shows/expands an element by sliding it out of itself
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*
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* Parameters:
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* (HTMLElement) el - The HTML string
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* (Number) duration - The duration amount in milliseconds
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*/
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return new Promise((resolve, reject) => {
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if (_.isNil(el)) {
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const err = "Undefined or null element passed into slideOut"
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logger.warn(err);
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reject(new Error(err));
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return;
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}
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const marker = el.getAttribute('data-slider-marker');
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if (marker) {
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el.removeAttribute('data-slider-marker');
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window.cancelAnimationFrame(marker);
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}
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const end_height = u.calculateElementHeight(el);
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if (window.converse_disable_effects) { // Effects are disabled (for tests)
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el.style.height = end_height + 'px';
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slideOutWrapup(el);
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resolve();
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return;
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}
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if (!u.hasClass('collapsed', el) && !u.hasClass('hidden', el)) {
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resolve();
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return;
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}
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const steps = duration/17; // We assume 17ms per animation which is ~60FPS
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let height = 0;
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function draw () {
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height += end_height/steps;
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if (height < end_height) {
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el.style.height = height + 'px';
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el.setAttribute(
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'data-slider-marker',
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window.requestAnimationFrame(draw)
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);
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} else {
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// We recalculate the height to work around an apparent
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// browser bug where browsers don't know the correct
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// offsetHeight beforehand.
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el.removeAttribute('data-slider-marker');
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el.style.height = u.calculateElementHeight(el) + 'px';
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el.style.overflow = "";
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el.style.height = "";
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resolve();
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}
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}
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el.style.height = '0';
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el.style.overflow = 'hidden';
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el.classList.remove('hidden');
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el.classList.remove('collapsed');
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el.setAttribute(
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'data-slider-marker',
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window.requestAnimationFrame(draw)
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);
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});
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};
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u.slideIn = function (el, duration=200) {
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/* Hides/collapses an element by sliding it into itself. */
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return new Promise((resolve, reject) => {
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if (_.isNil(el)) {
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const err = "Undefined or null element passed into slideIn";
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logger.warn(err);
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return reject(new Error(err));
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} else if (_.includes(el.classList, 'collapsed')) {
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return resolve(el);
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} else if (window.converse_disable_effects) { // Effects are disabled (for tests)
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el.classList.add('collapsed');
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el.style.height = "";
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return resolve(el);
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}
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const marker = el.getAttribute('data-slider-marker');
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if (marker) {
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el.removeAttribute('data-slider-marker');
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window.cancelAnimationFrame(marker);
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}
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const original_height = el.offsetHeight,
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steps = duration/17; // We assume 17ms per animation which is ~60FPS
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let height = original_height;
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el.style.overflow = 'hidden';
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function draw () {
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height -= original_height/steps;
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if (height > 0) {
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el.style.height = height + 'px';
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el.setAttribute(
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'data-slider-marker',
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window.requestAnimationFrame(draw)
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);
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} else {
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el.removeAttribute('data-slider-marker');
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el.classList.add('collapsed');
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el.style.height = "";
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resolve(el);
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}
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}
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el.setAttribute(
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'data-slider-marker',
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window.requestAnimationFrame(draw)
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);
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});
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};
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function afterAnimationEnds (el, callback) {
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el.classList.remove('visible');
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if (_.isFunction(callback)) {
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callback();
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}
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}
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u.isVisible = function (el) {
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if (u.hasClass('hidden', el)) {
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return false;
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}
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// XXX: Taken from jQuery's "visible" implementation
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return el.offsetWidth > 0 || el.offsetHeight > 0 || el.getClientRects().length > 0;
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};
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u.fadeIn = function (el, callback) {
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if (_.isNil(el)) {
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logger.warn("Undefined or null element passed into fadeIn");
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}
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if (window.converse_disable_effects) {
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el.classList.remove('hidden');
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return afterAnimationEnds(el, callback);
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}
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if (_.includes(el.classList, 'hidden')) {
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el.classList.add('visible');
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el.classList.remove('hidden');
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el.addEventListener("webkitAnimationEnd", _.partial(afterAnimationEnds, el, callback));
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el.addEventListener("animationend", _.partial(afterAnimationEnds, el, callback));
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el.addEventListener("oanimationend", _.partial(afterAnimationEnds, el, callback));
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} else {
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afterAnimationEnds(el, callback);
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}
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};
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u.xForm2webForm = function (field, stanza, domain) {
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/* Takes a field in XMPP XForm (XEP-004: Data Forms) format
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* and turns it into an HTML field.
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*
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* Returns either text or a DOM element (which is not ideal, but fine
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* for now).
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*
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* Parameters:
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* (XMLElement) field - the field to convert
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*/
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if (field.getAttribute('type')) {
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if (field.getAttribute('type') === 'list-single' ||
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field.getAttribute('type') === 'list-multi') {
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const values = _.map(
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u.queryChildren(field, 'value'),
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_.partial(_.get, _, 'textContent')
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);
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const options = _.map(
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u.queryChildren(field, 'option'),
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function (option) {
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const value = _.get(option.querySelector('value'), 'textContent');
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return tpl_select_option({
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'value': value,
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'label': option.getAttribute('label'),
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'selected': _.includes(values, value),
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'required': !_.isNil(field.querySelector('required'))
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})
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}
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);
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return tpl_form_select({
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'id': u.getUniqueId(),
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'name': field.getAttribute('var'),
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'label': field.getAttribute('label'),
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'options': options.join(''),
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'multiple': (field.getAttribute('type') === 'list-multi'),
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'required': !_.isNil(field.querySelector('required'))
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});
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} else if (field.getAttribute('type') === 'fixed') {
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const text = _.get(field.querySelector('value'), 'textContent');
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return '<p class="form-help">'+text+'</p>';
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} else if (field.getAttribute('type') === 'jid-multi') {
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return tpl_form_textarea({
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'name': field.getAttribute('var'),
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'label': field.getAttribute('label') || '',
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'value': _.get(field.querySelector('value'), 'textContent'),
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'required': !_.isNil(field.querySelector('required'))
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});
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} else if (field.getAttribute('type') === 'boolean') {
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return tpl_form_checkbox({
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'id': u.getUniqueId(),
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'name': field.getAttribute('var'),
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'label': field.getAttribute('label') || '',
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'checked': _.get(field.querySelector('value'), 'textContent') === "1" && 'checked="1"' || '',
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'required': !_.isNil(field.querySelector('required'))
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});
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} else if (field.getAttribute('var') === 'url') {
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return tpl_form_url({
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'label': field.getAttribute('label') || '',
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'value': _.get(field.querySelector('value'), 'textContent')
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});
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} else if (field.getAttribute('var') === 'username') {
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return tpl_form_username({
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'domain': ' @'+domain,
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'name': field.getAttribute('var'),
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'type': XFORM_TYPE_MAP[field.getAttribute('type')],
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'label': field.getAttribute('label') || '',
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'value': _.get(field.querySelector('value'), 'textContent'),
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'required': !_.isNil(field.querySelector('required'))
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});
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} else {
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return tpl_form_input({
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'id': u.getUniqueId(),
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'label': field.getAttribute('label') || '',
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'name': field.getAttribute('var'),
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'placeholder': null,
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'required': !_.isNil(field.querySelector('required')),
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'type': XFORM_TYPE_MAP[field.getAttribute('type')],
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'value': _.get(field.querySelector('value'), 'textContent')
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});
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}
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} else {
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if (field.getAttribute('var') === 'ocr') { // Captcha
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const uri = field.querySelector('uri');
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const el = sizzle('data[cid="'+uri.textContent.replace(/^cid:/, '')+'"]', stanza)[0];
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return tpl_form_captcha({
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'label': field.getAttribute('label'),
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'name': field.getAttribute('var'),
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'data': _.get(el, 'textContent'),
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'type': uri.getAttribute('type'),
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'required': !_.isNil(field.querySelector('required'))
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});
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}
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}
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}
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export default u;
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