96 lines
3.7 KiB
JavaScript
96 lines
3.7 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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// 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 */
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/* This is a Converse.js plugin which add support for application-level pings
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* as specified in XEP-0199 XMPP Ping.
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*/
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(function (root, factory) {
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define(["converse-core", "strophe.ping"], factory);
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}(this, function (converse) {
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"use strict";
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// Strophe methods for building stanzas
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var Strophe = converse.env.Strophe,
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_ = converse.env._;
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converse.plugins.add('converse-ping', {
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initialize: function () {
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/* The initialize function gets called as soon as the plugin is
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* loaded by converse.js's plugin machinery.
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*/
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var _converse = this._converse;
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this.updateSettings({
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ping_interval: 180 //in seconds
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});
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_converse.ping = function (jid, success, error, timeout) {
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// XXX: We could first check here if the server advertised that
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// it supports PING.
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// However, some servers don't advertise while still keeping the
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// connection option due to pings.
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//
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// var feature = _converse.features.findWhere({'var': Strophe.NS.PING});
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_converse.lastStanzaDate = new Date();
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if (_.isNil(jid)) {
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jid = Strophe.getDomainFromJid(_converse.bare_jid);
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}
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if (_.isUndefined(timeout) ) { timeout = null; }
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if (_.isUndefined(success) ) { success = null; }
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if (_.isUndefined(error) ) { error = null; }
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if (_converse.connection) {
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_converse.connection.ping.ping(jid, success, error, timeout);
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return true;
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}
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return false;
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};
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_converse.pong = function (ping) {
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_converse.lastStanzaDate = new Date();
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_converse.connection.ping.pong(ping);
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return true;
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};
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_converse.registerPongHandler = function () {
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_converse.connection.disco.addFeature(Strophe.NS.PING);
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_converse.connection.ping.addPingHandler(_converse.pong);
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};
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_converse.registerPingHandler = function () {
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_converse.registerPongHandler();
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if (_converse.ping_interval > 0) {
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_converse.connection.addHandler(function () {
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/* Handler on each stanza, saves the received date
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* in order to ping only when needed.
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*/
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_converse.lastStanzaDate = new Date();
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return true;
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});
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_converse.connection.addTimedHandler(1000, function () {
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var now = new Date();
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if (!_converse.lastStanzaDate) {
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_converse.lastStanzaDate = now;
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}
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if ((now - _converse.lastStanzaDate)/1000 > _converse.ping_interval) {
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return _converse.ping();
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}
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return true;
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});
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}
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};
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var onConnected = function () {
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// Wrapper so that we can spy on registerPingHandler in tests
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_converse.registerPingHandler();
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};
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_converse.on('connected', onConnected);
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_converse.on('reconnected', onConnected);
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}
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});
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}));
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