theluyuan
38ba663466
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Close stale issues and PRs / stale (push) Has been cancelled
86 lines
2.6 KiB
TypeScript
86 lines
2.6 KiB
TypeScript
import { IStore } from '../../app/types';
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import { PREJOIN_INITIALIZED } from '../../prejoin/actionTypes';
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import { getJwtName } from '../jwt/functions';
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import { MEDIA_TYPE } from '../media/constants';
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import MiddlewareRegistry from '../redux/MiddlewareRegistry';
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import { TRACK_ADDED } from '../tracks/actionTypes';
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import { ITrack } from '../tracks/types';
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import { updateSettings } from './actions';
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import logger from './logger';
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import './middleware.any';
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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 PREJOIN_INITIALIZED:
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_maybeUpdateDisplayName(store);
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break;
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case TRACK_ADDED:
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_maybeUpdateDeviceId(store, action.track);
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break;
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}
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return result;
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});
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/**
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* Updates the display name to the one in JWT if there is one.
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*
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* @param {Store} store - The redux store.
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* @private
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* @returns {void}
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*/
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function _maybeUpdateDisplayName({ dispatch, getState }: IStore) {
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const state = getState();
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const hasJwt = Boolean(state['features/base/jwt'].jwt);
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if (hasJwt) {
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const displayName = getJwtName(state);
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if (displayName) {
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dispatch(updateSettings({
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displayName
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}));
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}
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}
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}
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/**
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* Maybe update the camera or mic device id when local track is added or updated.
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*
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* @param {Store} store - The redux store.
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* @param {ITrack} track - The potential local track.
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* @private
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* @returns {void}
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*/
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function _maybeUpdateDeviceId({ dispatch, getState }: IStore, track: ITrack) {
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if (track.local) {
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const { cameraDeviceId, micDeviceId } = getState()['features/base/settings'];
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const deviceId = track.jitsiTrack.getDeviceId();
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if (track.mediaType === MEDIA_TYPE.VIDEO && track.videoType === 'camera' && cameraDeviceId !== deviceId) {
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dispatch(updateSettings({
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cameraDeviceId: track.jitsiTrack.getDeviceId()
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}));
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logger.info(`switched local video device to: ${deviceId}`);
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} else if (track.mediaType === MEDIA_TYPE.AUDIO && micDeviceId !== deviceId) {
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dispatch(updateSettings({
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micDeviceId: track.jitsiTrack.getDeviceId()
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}));
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logger.info(`switched local audio input device to: ${deviceId}`);
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}
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}
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}
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