70 lines
2.4 KiB
JavaScript
70 lines
2.4 KiB
JavaScript
/**
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* @module converse-rsm
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* @copyright The Converse.js contributors
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* @license Mozilla Public License (MPLv2)
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* @description XEP-0059 Result Set Management
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* Some code taken from the Strophe RSM plugin, licensed under the MIT License
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* Copyright 2006-2017 Strophe (https://github.com/strophe/strophejs)
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*/
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import { converse } from "./converse-core";
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const { Strophe, $build } = converse.env;
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Strophe.addNamespace('RSM', 'http://jabber.org/protocol/rsm');
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converse.plugins.add('converse-rsm', {
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initialize () {
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const { _converse } = this;
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const RSM_ATTRIBUTES = ['max', 'first', 'last', 'after', 'before', 'index', 'count'];
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_converse.RSM_ATTRIBUTES = RSM_ATTRIBUTES;
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class RSM {
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constructor (options) {
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if (typeof options.xml != 'undefined') {
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this.fromXMLElement(options.xml);
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} else {
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for (let ii = 0; ii < RSM_ATTRIBUTES.length; ii++) {
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const attrib = RSM_ATTRIBUTES[ii];
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this[attrib] = options[attrib];
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}
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}
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}
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toXML () {
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let xml = $build('set', {xmlns: Strophe.NS.RSM});
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for (let ii = 0; ii < RSM_ATTRIBUTES.length; ii++) {
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const attrib = RSM_ATTRIBUTES[ii];
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if (typeof this[attrib] != 'undefined') {
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xml = xml.c(attrib).t(this[attrib].toString()).up();
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}
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}
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return xml.tree();
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}
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next (max, before) {
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return new RSM({max: max, after: this.last, before});
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}
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previous (max, after) {
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return new RSM({max: max, before: this.first, after});
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}
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fromXMLElement (xmlElement) {
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for (var ii = 0; ii < RSM_ATTRIBUTES.length; ii++) {
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const attrib = RSM_ATTRIBUTES[ii];
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const elem = xmlElement.getElementsByTagName(attrib)[0];
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if (typeof elem != 'undefined' && elem !== null) {
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this[attrib] = Strophe.getText(elem);
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if (attrib == 'first') {
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this.index = elem.getAttribute('index');
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}
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}
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}
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}
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}
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_converse.RSM = RSM;
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}
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});
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