670 lines
23 KiB
JavaScript
670 lines
23 KiB
JavaScript
// Converse.js (A browser based XMPP chat client)
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// http://conversejs.org
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//
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// This is the utilities module.
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//
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// Copyright (c) 2012-2017, Jan-Carel Brand <jc@opkode.com>
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// Licensed under the Mozilla Public License (MPLv2)
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//
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/*global define, escape, window */
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(function (root, factory) {
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define([
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"sizzle",
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"es6-promise",
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"lodash.noconflict",
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"strophe",
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], factory);
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}(this, function (
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sizzle,
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Promise,
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_,
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Strophe
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) {
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"use strict";
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const b64_sha1 = Strophe.SHA1.b64_sha1;
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Strophe = Strophe.Strophe;
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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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var unescapeHTML = function (htmlEscapedText) {
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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) htmlEscapedText: 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 = htmlEscapedText;
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return div.innerText;
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};
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var 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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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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var u = {};
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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.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.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.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.addHyperlinks = function (text) {
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const list = text.match(URL_REGEX) || [];
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var links = [];
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_.each(list, (match) => {
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const prot = match.indexOf('http://') === 0 || match.indexOf('https://') === 0 ? '' : 'http://';
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const url = prot + encodeURI(decodeURI(match)).replace(/[!'()]/g, escape).replace(/\*/g, "%2A");
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const a = '<a target="_blank" rel="noopener" href="' + url + '">'+ _.escape(match) + '</a>';
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// We first insert a hash of the code that will be inserted, and
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// then later replace that with the code itself. That way we avoid
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// issues when some matches are substrings of others.
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links.push(a);
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text = text.replace(match, b64_sha1(a));
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});
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while (links.length) {
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const a = links.pop();
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text = text.replace(b64_sha1(a), a);
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}
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return text;
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};
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u.renderImageURLs = function (obj) {
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/* Returns a Promise which resolves once all images have been loaded.
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*/
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const list = obj.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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isImage(url).then(function (img) {
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// XXX: need to create a new image, otherwise the event
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// listener doesn't fire
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const i = new Image();
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i.className = 'chat-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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var anchors = sizzle(`a[href="${url}"]`, obj);
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_.each(anchors, (a) => {
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a.replaceChild(i, a.firstChild);
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});
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}).catch(resolve)
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)
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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.hasClass = function (className, el) {
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return _.includes(el.classList, className);
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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.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.isValidJID = function (jid) {
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return _.compact(jid.split('@')).length === 2 && !jid.startsWith('@') && !jid.endsWith('@');
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};
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u.isValidMUCJID = function (jid) {
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return !jid.startsWith('@') && !jid.endsWith('@');
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};
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u.isSameBareJID = function (jid1, jid2) {
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return Strophe.getBareJidFromJid(jid1).toLowerCase() ===
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Strophe.getBareJidFromJid(jid2).toLowerCase();
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};
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u.getMostRecentMessage = function (model) {
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const messages = model.messages.filter('message');
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return messages[messages.length-1];
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}
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u.isNewMessage = function (message) {
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/* Given a stanza, determine whether it's a new
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* message, i.e. not a MAM archived one.
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*/
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if (message instanceof Element) {
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return !sizzle('result[xmlns="'+Strophe.NS.MAM+'"]', message).length &&
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!sizzle('delay[xmlns="'+Strophe.NS.DELAY+'"]', message).length;
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} else {
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return !message.get('delayed');
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}
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};
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u.isOTRMessage = function (message) {
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var body = message.querySelector('body'),
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text = (!_.isNull(body) ? body.textContent: undefined);
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return text && !!text.match(/^\?OTR/);
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};
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u.isHeadlineMessage = function (_converse, message) {
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var from_jid = message.getAttribute('from');
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if (message.getAttribute('type') === 'headline') {
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return true;
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}
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const chatbox = _converse.chatboxes.get(Strophe.getBareJidFromJid(from_jid));
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if (chatbox && chatbox.get('type') === 'chatroom') {
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return false;
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}
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if (message.getAttribute('type') !== 'error' &&
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!_.isNil(from_jid) &&
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!_.includes(from_jid, '@')) {
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// Some servers (I'm looking at you Prosody) don't set the message
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// type to "headline" when sending server messages. For now we
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// check if an @ signal is included, and if not, we assume it's
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// a headline message.
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return true;
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}
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return false;
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};
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u.merge = function merge (first, second) {
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/* Merge the second object into the first one.
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*/
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for (var k in second) {
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if (_.isObject(first[k])) {
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merge(first[k], second[k]);
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} else {
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first[k] = second[k];
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}
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}
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};
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u.applyUserSettings = function applyUserSettings (context, settings, user_settings) {
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/* Configuration settings might be nested objects. We only want to
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* add settings which are whitelisted.
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*/
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for (var k in settings) {
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if (_.isUndefined(user_settings[k])) {
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continue;
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}
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if (_.isObject(settings[k]) && !_.isArray(settings[k])) {
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applyUserSettings(context[k], settings[k], user_settings[k]);
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} else {
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context[k] = user_settings[k];
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}
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}
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};
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u.stringToNode = function (s) {
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/* Converts an HTML string into a DOM Node.
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* Expects that the HTML string has only one top-level element,
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* i.e. not multiple ones.
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*
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* Parameters:
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* (String) s - The HTML string
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*/
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var div = document.createElement('div');
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div.innerHTML = s;
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return div.firstChild;
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};
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u.getOuterWidth = function (el, include_margin=false) {
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var width = el.offsetWidth;
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if (!include_margin) {
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return width;
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}
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var style = window.getComputedStyle(el);
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width += parseInt(style.marginLeft, 10) + parseInt(style.marginRight, 10);
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return width;
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};
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u.stringToElement = function (s) {
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/* Converts an HTML string into a DOM element.
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* Expects that the HTML string has only one top-level element,
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* i.e. not multiple ones.
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*
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* Parameters:
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* (String) s - The HTML string
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*/
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var div = document.createElement('div');
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div.innerHTML = s;
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return div.firstElementChild;
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};
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u.matchesSelector = function (el, selector) {
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/* Checks whether the DOM element matches the given selector.
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*
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* Parameters:
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* (DOMElement) el - The DOM element
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* (String) selector - The selector
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*/
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return (
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el.matches ||
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el.matchesSelector ||
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el.msMatchesSelector ||
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el.mozMatchesSelector ||
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el.webkitMatchesSelector ||
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el.oMatchesSelector
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).call(el, selector);
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};
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u.queryChildren = function (el, selector) {
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/* Returns a list of children of the DOM element that match the
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* selector.
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*
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* Parameters:
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* (DOMElement) el - the DOM element
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* (String) selector - the selector they should be matched
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* against.
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*/
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return _.filter(el.children, _.partial(u.matchesSelector, _, selector));
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};
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u.contains = function (attr, query) {
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return function (item) {
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if (typeof attr === 'object') {
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var value = false;
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_.forEach(attr, function (a) {
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value = value || _.includes(item.get(a).toLowerCase(), query.toLowerCase());
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});
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return value;
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} else if (typeof attr === 'string') {
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return _.includes(item.get(attr).toLowerCase(), query.toLowerCase());
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} else {
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throw new TypeError('contains: wrong attribute type. Must be string or array.');
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}
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};
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};
|
|
|
|
u.isOfType = function (type, item) {
|
|
return item.get('type') == type;
|
|
};
|
|
|
|
u.isInstance = function (type, item) {
|
|
return item instanceof type;
|
|
};
|
|
|
|
u.getAttribute = function (key, item) {
|
|
return item.get(key);
|
|
};
|
|
|
|
u.contains.not = function (attr, query) {
|
|
return function (item) {
|
|
return !(u.contains(attr, query)(item));
|
|
};
|
|
};
|
|
|
|
u.createFragmentFromText = function (markup) {
|
|
/* Returns a DocumentFragment containing DOM nodes based on the
|
|
* passed-in markup text.
|
|
*/
|
|
// http://stackoverflow.com/questions/9334645/create-node-from-markup-string
|
|
var frag = document.createDocumentFragment(),
|
|
tmp = document.createElement('body'), child;
|
|
tmp.innerHTML = markup;
|
|
// Append elements in a loop to a DocumentFragment, so that the
|
|
// browser does not re-render the document for each node.
|
|
while (child = tmp.firstChild) { // eslint-disable-line no-cond-assign
|
|
frag.appendChild(child);
|
|
}
|
|
return frag
|
|
};
|
|
|
|
u.addEmoji = function (_converse, emojione, text) {
|
|
if (_converse.use_emojione) {
|
|
return emojione.toImage(text);
|
|
} else {
|
|
return emojione.shortnameToUnicode(text);
|
|
}
|
|
}
|
|
|
|
u.getEmojisByCategory = function (_converse, emojione) {
|
|
/* Return a dict of emojis with the categories as keys and
|
|
* lists of emojis in that category as values.
|
|
*/
|
|
if (_.isUndefined(_converse.emojis_by_category)) {
|
|
const emojis = _.values(_.mapValues(emojione.emojioneList, function (value, key, o) {
|
|
value._shortname = key;
|
|
return value
|
|
}));
|
|
const tones = [':tone1:', ':tone2:', ':tone3:', ':tone4:', ':tone5:'];
|
|
const excluded = [':kiss_ww:', ':kiss_mm:', ':kiss_woman_man:'];
|
|
const excluded_substrings = [
|
|
':woman', ':man', ':women_', ':men_', '_man_', '_woman_', '_woman:', '_man:'
|
|
];
|
|
const excluded_categories = ['modifier', 'regional'];
|
|
const categories = _.difference(
|
|
_.uniq(_.map(emojis, _.partial(_.get, _, 'category'))),
|
|
excluded_categories
|
|
);
|
|
const emojis_by_category = {};
|
|
_.forEach(categories, (cat) => {
|
|
let list = _.sortBy(_.filter(emojis, ['category', cat]), ['uc_base']);
|
|
list = _.filter(
|
|
list,
|
|
(item) => !_.includes(_.concat(tones, excluded), item._shortname) &&
|
|
!_.some(excluded_substrings, _.partial(_.includes, item._shortname))
|
|
);
|
|
if (cat === 'people') {
|
|
const idx = _.findIndex(list, ['uc_base', '1f600']);
|
|
list = _.union(_.slice(list, idx), _.slice(list, 0, idx+1));
|
|
} else if (cat === 'activity') {
|
|
list = _.union(_.slice(list, 27-1), _.slice(list, 0, 27));
|
|
} else if (cat === 'objects') {
|
|
list = _.union(_.slice(list, 24-1), _.slice(list, 0, 24));
|
|
} else if (cat === 'travel') {
|
|
list = _.union(_.slice(list, 17-1), _.slice(list, 0, 17));
|
|
} else if (cat === 'symbols') {
|
|
list = _.union(_.slice(list, 60-1), _.slice(list, 0, 60));
|
|
}
|
|
emojis_by_category[cat] = list;
|
|
});
|
|
_converse.emojis_by_category = emojis_by_category;
|
|
}
|
|
return _converse.emojis_by_category;
|
|
};
|
|
|
|
u.getTonedEmojis = function (_converse) {
|
|
_converse.toned_emojis = _.uniq(
|
|
_.map(
|
|
_.filter(
|
|
u.getEmojisByCategory(_converse).people,
|
|
(person) => _.includes(person._shortname, '_tone')
|
|
),
|
|
(person) => person._shortname.replace(/_tone[1-5]/, '')
|
|
));
|
|
return _converse.toned_emojis;
|
|
};
|
|
|
|
u.isPersistableModel = function (model) {
|
|
return model.collection && model.collection.browserStorage;
|
|
};
|
|
|
|
u.getResolveablePromise = function () {
|
|
/* Returns a promise object on which `resolve` or `reject` can be
|
|
* called.
|
|
*/
|
|
const wrapper = {};
|
|
const promise = new Promise((resolve, reject) => {
|
|
wrapper.resolve = resolve;
|
|
wrapper.reject = reject;
|
|
})
|
|
_.assign(promise, wrapper);
|
|
return promise;
|
|
};
|
|
|
|
u.safeSave = function (model, attributes) {
|
|
if (u.isPersistableModel(model)) {
|
|
model.save(attributes);
|
|
} else {
|
|
model.set(attributes);
|
|
}
|
|
}
|
|
|
|
u.isVisible = function (el) {
|
|
// XXX: Taken from jQuery's "visible" implementation
|
|
return el.offsetWidth > 0 || el.offsetHeight > 0 || el.getClientRects().length > 0;
|
|
};
|
|
|
|
u.triggerEvent = function (el, name, type="Event", bubbles=true, cancelable=true) {
|
|
const evt = document.createEvent(type);
|
|
evt.initEvent(name, bubbles, cancelable);
|
|
el.dispatchEvent(evt);
|
|
};
|
|
|
|
return u;
|
|
}));
|