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converse.js/src/headless/plugins/disco/index.js

62 lines
2.2 KiB
JavaScript

/**
* @copyright The Converse.js contributors
* @license Mozilla Public License (MPLv2)
* @description Converse plugin which add support for XEP-0030: Service Discovery
*/
import DiscoEntities from './entities.js';
import DiscoEntity from './entity.js';
import { _converse, api, converse } from '@converse/headless/core.js';
import {
clearSession,
initStreamFeatures,
initializeDisco,
notifyStreamFeaturesAdded,
populateStreamFeatures
} from './utils.js';
import disco_api from './api.js';
const { Strophe } = converse.env;
converse.plugins.add('converse-disco', {
initialize () {
Object.assign(api, disco_api);
api.promises.add('discoInitialized');
api.promises.add('streamFeaturesAdded');
_converse.DiscoEntity = DiscoEntity;
_converse.DiscoEntities = DiscoEntities;
_converse.disco = {
_identities: [],
_features: []
};
api.listen.on('userSessionInitialized', async () => {
initStreamFeatures();
if (_converse.connfeedback.get('connection_status') === Strophe.Status.ATTACHED) {
// When re-attaching to a BOSH session, we fetch the stream features from the cache.
await new Promise((success, error) => _converse.stream_features.fetch({ success, error }));
notifyStreamFeaturesAdded();
}
});
api.listen.on('beforeResourceBinding', populateStreamFeatures);
api.listen.on('reconnected', initializeDisco);
api.listen.on('connected', initializeDisco);
api.listen.on('beforeTearDown', async () => {
api.promises.add('streamFeaturesAdded');
if (_converse.stream_features) {
await _converse.stream_features.clearStore();
delete _converse.stream_features;
}
});
// All disco entities stored in sessionStorage and are refetched
// upon login or reconnection and then stored with new ids, so to
// avoid sessionStorage filling up, we remove them.
api.listen.on('will-reconnect', clearSession);
api.listen.on('clearSession', clearSession);
}
});