105 lines
3.5 KiB
JavaScript
105 lines
3.5 KiB
JavaScript
import { CustomElement } from './element.js';
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import { _converse, converse, api } from "@converse/headless/core";
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import { html } from "lit-element";
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import { tpl_all_emojis, tpl_search_results } from "../templates/emoji_picker.js";
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const { sizzle } = converse.env;
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export default class EmojiPickerContent extends CustomElement {
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static get properties () {
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return {
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'chatview': { type: Object },
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'search_results': { type: Array },
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'current_skintone': { type: String },
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'model': { type: Object },
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'query': { type: String },
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}
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}
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render () {
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const props = {
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'current_skintone': this.current_skintone,
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'insertEmoji': ev => this.insertEmoji(ev),
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'query': this.query,
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'search_results': this.search_results,
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'shouldBeHidden': shortname => this.shouldBeHidden(shortname),
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}
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return html`
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<div class="emoji-picker__lists">
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${tpl_search_results(props)}
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${tpl_all_emojis(props)}
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</div>
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`;
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}
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firstUpdated () {
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this.initIntersectionObserver();
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}
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initIntersectionObserver () {
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if (!window.IntersectionObserver) {
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return;
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}
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if (this.observer) {
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this.observer.disconnect();
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} else {
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const options = {
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root: this.querySelector('.emoji-picker__lists'),
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threshold: [0.1]
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}
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const handler = ev => this.setCategoryOnVisibilityChange(ev);
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this.observer = new IntersectionObserver(handler, options);
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}
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sizzle('.emoji-picker', this).forEach(a => this.observer.observe(a));
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}
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setCategoryOnVisibilityChange (ev) {
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const selected = this.parentElement.navigator.selected;
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const intersection_with_selected = ev.filter(i => i.target.contains(selected)).pop();
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let current;
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// Choose the intersection that contains the currently selected
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// element, or otherwise the one with the largest ratio.
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if (intersection_with_selected) {
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current = intersection_with_selected;
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} else {
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current = ev.reduce((p, c) => c.intersectionRatio >= (p?.intersectionRatio || 0) ? c : p, null);
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}
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if (current && current.isIntersecting) {
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const category = current.target.getAttribute('data-category');
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if (category !== this.model.get('current_category')) {
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this.parentElement.preserve_scroll = true;
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this.model.save({'current_category': category});
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}
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}
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}
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insertEmoji (ev) {
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ev.preventDefault();
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ev.stopPropagation();
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const target = ev.target.nodeName === 'IMG' ? ev.target.parentElement : ev.target;
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this.parentElement.insertIntoTextArea(target.getAttribute('data-emoji'));
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}
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shouldBeHidden (shortname) {
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// Helper method for the template which decides whether an
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// emoji should be hidden, based on which skin tone is
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// currently being applied.
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if (shortname.includes('_tone')) {
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if (!this.current_skintone || !shortname.includes(this.current_skintone)) {
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return true;
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}
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} else {
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if (this.current_skintone && converse.emojis.toned.includes(shortname)) {
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return true;
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}
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}
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if (this.query && !_converse.FILTER_CONTAINS(shortname, this.query)) {
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return true;
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}
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return false;
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}
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}
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api.elements.define('converse-emoji-picker-content', EmojiPickerContent);
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