86 lines
2.2 KiB
JavaScript
86 lines
2.2 KiB
JavaScript
// @flow
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import { setAudioOnly } from '../conference';
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import { getLocalParticipant, participantUpdated } from '../participants';
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import { MiddlewareRegistry } from '../redux';
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import { SETTINGS_UPDATED } from './actionTypes';
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/**
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* The middleware of the feature base/settings. Distributes changes to the state
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* of base/settings to the states of other features computed from the state of
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* base/settings.
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*
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* @param {Store} store - The redux store.
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* @returns {Function}
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*/
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MiddlewareRegistry.register(store => next => action => {
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const result = next(action);
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switch (action.type) {
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case SETTINGS_UPDATED:
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_maybeSetAudioOnly(store, action);
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_updateLocalParticipant(store, action);
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}
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return result;
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});
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/**
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* Maps the settings field names to participant names where they don't match.
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* Currently there is only one such field, but may be extended in the future.
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*
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* @private
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* @param {string} settingsField - The name of the settings field to map.
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* @returns {string}
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*/
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function _mapSettingsFieldToParticipant(settingsField) {
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switch (settingsField) {
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case 'displayName':
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return 'name';
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}
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return settingsField;
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}
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/**
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* Updates {@code startAudioOnly} flag if it's updated in the settings.
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*
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* @param {Store} store - The redux store.
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* @param {Object} action - The redux action.
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* @private
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* @returns {void}
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*/
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function _maybeSetAudioOnly(
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{ dispatch },
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{ settings: { startAudioOnly } }) {
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if (typeof startAudioOnly === 'boolean') {
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dispatch(setAudioOnly(startAudioOnly, true));
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}
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}
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/**
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* Updates the local participant according to settings changes.
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*
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* @param {Store} store - The redux store.
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* @param {Object} action - The dispatched action.
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* @private
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* @returns {void}
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*/
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function _updateLocalParticipant({ dispatch, getState }, action) {
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const { settings } = action;
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const localParticipant = getLocalParticipant(getState());
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const newLocalParticipant = {
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...localParticipant
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};
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for (const key in settings) {
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if (settings.hasOwnProperty(key)) {
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newLocalParticipant[_mapSettingsFieldToParticipant(key)]
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= settings[key];
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}
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}
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dispatch(participantUpdated(newLocalParticipant));
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}
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