jiti-meet/react/features/base/participants/functions.js

493 lines
15 KiB
JavaScript

// @flow
import { getGravatarURL } from '@jitsi/js-utils/avatar';
import type { Store } from 'redux';
import { GRAVATAR_BASE_URL, isCORSAvatarURL } from '../avatar';
import { JitsiParticipantConnectionStatus } from '../lib-jitsi-meet';
import { MEDIA_TYPE, shouldRenderVideoTrack } from '../media';
import { toState } from '../redux';
import { getTrackByMediaTypeAndParticipant } from '../tracks';
import { createDeferred } from '../util';
import {
JIGASI_PARTICIPANT_ICON,
MAX_DISPLAY_NAME_LENGTH,
PARTICIPANT_ROLE
} from './constants';
import { preloadImage } from './preloadImage';
/**
* Temp structures for avatar urls to be checked/preloaded.
*/
const AVATAR_QUEUE = [];
const AVATAR_CHECKED_URLS = new Map();
/* eslint-disable arrow-body-style, no-unused-vars */
const AVATAR_CHECKER_FUNCTIONS = [
(participant, _) => {
return participant && participant.isJigasi ? JIGASI_PARTICIPANT_ICON : null;
},
(participant, _) => {
return participant && participant.avatarURL ? participant.avatarURL : null;
},
(participant, store) => {
if (participant && participant.email) {
// TODO: remove once libravatar has deployed their new scaled up infra. -saghul
const gravatarBaseURL
= store.getState()['features/base/config'].gravatarBaseURL ?? GRAVATAR_BASE_URL;
return getGravatarURL(participant.email, gravatarBaseURL);
}
return null;
}
];
/* eslint-enable arrow-body-style, no-unused-vars */
/**
* Resolves the first loadable avatar URL for a participant.
*
* @param {Object} participant - The participant to resolve avatars for.
* @param {Store} store - Redux store.
* @returns {Promise}
*/
export function getFirstLoadableAvatarUrl(participant: Object, store: Store<any, any>) {
const deferred = createDeferred();
const fullPromise = deferred.promise
.then(() => _getFirstLoadableAvatarUrl(participant, store))
.then(result => {
if (AVATAR_QUEUE.length) {
const next = AVATAR_QUEUE.shift();
next.resolve();
}
return result;
});
if (AVATAR_QUEUE.length) {
AVATAR_QUEUE.push(deferred);
} else {
deferred.resolve();
}
return fullPromise;
}
/**
* Returns local participant from Redux state.
*
* @param {(Function|Object)} stateful - The (whole) redux state, or redux's
* {@code getState} function to be used to retrieve the state
* features/base/participants.
* @returns {(Participant|undefined)}
*/
export function getLocalParticipant(stateful: Object | Function) {
const state = toState(stateful)['features/base/participants'];
return state.local;
}
/**
* Normalizes a display name so then no invalid values (padding, length...etc)
* can be set.
*
* @param {string} name - The display name to set.
* @returns {string}
*/
export function getNormalizedDisplayName(name: string) {
if (!name || !name.trim()) {
return undefined;
}
return name.trim().substring(0, MAX_DISPLAY_NAME_LENGTH);
}
/**
* Returns participant by ID from Redux state.
*
* @param {(Function|Object)} stateful - The (whole) redux state, or redux's
* {@code getState} function to be used to retrieve the state
* features/base/participants.
* @param {string} id - The ID of the participant to retrieve.
* @private
* @returns {(Participant|undefined)}
*/
export function getParticipantById(
stateful: Object | Function, id: string): ?Object {
const state = toState(stateful)['features/base/participants'];
const { local, remote } = state;
return remote.get(id) || (local?.id === id ? local : undefined);
}
/**
* Returns the participant with the ID matching the passed ID or the local participant if the ID is
* undefined.
*
* @param {(Function|Object)} stateful - The (whole) redux state, or redux's
* {@code getState} function to be used to retrieve the state
* features/base/participants.
* @param {string|undefined} [participantID] - An optional partipantID argument.
* @returns {Participant|undefined}
*/
export function getParticipantByIdOrUndefined(stateful: Object | Function, participantID: ?string) {
return participantID ? getParticipantById(stateful, participantID) : getLocalParticipant(stateful);
}
/**
* Returns a count of the known participants in the passed in redux state,
* excluding any fake participants.
*
* @param {(Function|Object)} stateful - The (whole) redux state, or redux's
* {@code getState} function to be used to retrieve the state
* features/base/participants.
* @returns {number}
*/
export function getParticipantCount(stateful: Object | Function) {
const state = toState(stateful)['features/base/participants'];
const { local, remote, fakeParticipants } = state;
return remote.size - fakeParticipants.size + (local ? 1 : 0);
}
/**
* Returns the Map with fake participants.
*
* @param {(Function|Object)} stateful - The (whole) redux state, or redux's
* {@code getState} function to be used to retrieve the state
* features/base/participants.
* @returns {Map<string, Participant>} - The Map with fake participants.
*/
export function getFakeParticipants(stateful: Object | Function) {
return toState(stateful)['features/base/participants'].fakeParticipants;
}
/**
* Returns a count of the known remote participants in the passed in redux state.
*
* @param {(Function|Object)} stateful - The (whole) redux state, or redux's
* {@code getState} function to be used to retrieve the state
* features/base/participants.
* @returns {number}
*/
export function getRemoteParticipantCount(stateful: Object | Function) {
const state = toState(stateful)['features/base/participants'];
return state.remote.size;
}
/**
* Returns a count of the known participants in the passed in redux state,
* including fake participants.
*
* @param {(Function|Object)} stateful - The (whole) redux state, or redux's
* {@code getState} function to be used to retrieve the state
* features/base/participants.
* @returns {number}
*/
export function getParticipantCountWithFake(stateful: Object | Function) {
const state = toState(stateful)['features/base/participants'];
const { local, remote } = state;
return remote.size + (local ? 1 : 0);
}
/**
* Returns participant's display name.
*
* @param {(Function|Object)} stateful - The (whole) redux state, or redux's
* {@code getState} function to be used to retrieve the state.
* @param {string} id - The ID of the participant's display name to retrieve.
* @returns {string}
*/
export function getParticipantDisplayName(
stateful: Object | Function,
id: string) {
const participant = getParticipantById(stateful, id);
const {
defaultLocalDisplayName,
defaultRemoteDisplayName
} = toState(stateful)['features/base/config'];
if (participant) {
if (participant.name) {
return participant.name;
}
if (participant.local) {
return defaultLocalDisplayName;
}
}
return defaultRemoteDisplayName;
}
/**
* Returns the presence status of a participant associated with the passed id.
*
* @param {(Function|Object)} stateful - The (whole) redux state, or redux's
* {@code getState} function to be used to retrieve the state.
* @param {string} id - The id of the participant.
* @returns {string} - The presence status.
*/
export function getParticipantPresenceStatus(
stateful: Object | Function, id: string) {
if (!id) {
return undefined;
}
const participantById = getParticipantById(stateful, id);
if (!participantById) {
return undefined;
}
return participantById.presence;
}
/**
* Returns true if there is at least 1 participant with screen sharing feature and false otherwise.
*
* @param {(Function|Object)} stateful - The (whole) redux state, or redux's
* {@code getState} function to be used to retrieve the state.
* @returns {boolean}
*/
export function haveParticipantWithScreenSharingFeature(stateful: Object | Function) {
return toState(stateful)['features/base/participants'].haveParticipantWithScreenSharingFeature;
}
/**
* Selectors for getting all remote participants.
*
* @param {(Function|Object)} stateful - The (whole) redux state, or redux's
* {@code getState} function to be used to retrieve the state
* features/base/participants.
* @returns {Map<string, Object>}
*/
export function getRemoteParticipants(stateful: Object | Function) {
return toState(stateful)['features/base/participants'].remote;
}
/**
* Selectors for the getting the remote participants in the order that they are displayed in the filmstrip.
*
@param {(Function|Object)} stateful - The (whole) redux state, or redux's {@code getState} function to be used to
* retrieve the state features/filmstrip.
* @returns {Array<string>}
*/
export function getRemoteParticipantsSorted(stateful: Object | Function) {
return toState(stateful)['features/filmstrip'].remoteParticipants;
}
/**
* Returns the participant which has its pinned state set to truthy.
*
* @param {(Function|Object)} stateful - The (whole) redux state, or redux's
* {@code getState} function to be used to retrieve the state
* features/base/participants.
* @returns {(Participant|undefined)}
*/
export function getPinnedParticipant(stateful: Object | Function) {
const state = toState(stateful)['features/base/participants'];
const { pinnedParticipant } = state;
if (!pinnedParticipant) {
return undefined;
}
return getParticipantById(stateful, pinnedParticipant);
}
/**
* Returns true if the participant is a moderator.
*
* @param {string} participant - Participant object.
* @returns {boolean}
*/
export function isParticipantModerator(participant: Object) {
return participant?.role === PARTICIPANT_ROLE.MODERATOR;
}
/**
* Returns the dominant speaker participant.
*
* @param {(Function|Object)} stateful - The (whole) redux state or redux's
* {@code getState} function to be used to retrieve the state features/base/participants.
* @returns {Participant} - The participant from the redux store.
*/
export function getDominantSpeakerParticipant(stateful: Object | Function) {
const state = toState(stateful)['features/base/participants'];
const { dominantSpeaker } = state;
if (!dominantSpeaker) {
return undefined;
}
return getParticipantById(stateful, dominantSpeaker);
}
/**
* Returns true if all of the meeting participants are moderators.
*
* @param {Object|Function} stateful -Object or function that can be resolved
* to the Redux state.
* @returns {boolean}
*/
export function isEveryoneModerator(stateful: Object | Function) {
const state = toState(stateful)['features/base/participants'];
return state.everyoneIsModerator === true;
}
/**
* Checks a value and returns true if it's a preloaded icon object.
*
* @param {?string | ?Object} icon - The icon to check.
* @returns {boolean}
*/
export function isIconUrl(icon: ?string | ?Object) {
return Boolean(icon) && (typeof icon === 'object' || typeof icon === 'function');
}
/**
* Returns true if the current local participant is a moderator in the
* conference.
*
* @param {Object|Function} stateful - Object or function that can be resolved
* to the Redux state.
* @returns {boolean}
*/
export function isLocalParticipantModerator(stateful: Object | Function) {
const state = toState(stateful)['features/base/participants'];
const { local } = state;
if (!local) {
return false;
}
return isParticipantModerator(local);
}
/**
* Returns true if the video of the participant should be rendered.
* NOTE: This is currently only used on mobile.
*
* @param {Object|Function} stateful - Object or function that can be resolved
* to the Redux state.
* @param {string} id - The ID of the participant.
* @returns {boolean}
*/
export function shouldRenderParticipantVideo(stateful: Object | Function, id: string) {
const state = toState(stateful);
const participant = getParticipantById(state, id);
if (!participant) {
return false;
}
/* First check if we have an unmuted video track. */
const videoTrack
= getTrackByMediaTypeAndParticipant(state['features/base/tracks'], MEDIA_TYPE.VIDEO, id);
if (!shouldRenderVideoTrack(videoTrack, /* waitForVideoStarted */ false)) {
return false;
}
/* Then check if the participant connection is active. */
const connectionStatus = participant.connectionStatus || JitsiParticipantConnectionStatus.ACTIVE;
if (connectionStatus !== JitsiParticipantConnectionStatus.ACTIVE) {
return false;
}
/* Then check if audio-only mode is not active. */
const audioOnly = state['features/base/audio-only'].enabled;
if (!audioOnly) {
return true;
}
/* Last, check if the participant is sharing their screen and they are on stage. */
const remoteScreenShares = state['features/video-layout'].remoteScreenShares || [];
const largeVideoParticipantId = state['features/large-video'].participantId;
const participantIsInLargeVideoWithScreen
= participant.id === largeVideoParticipantId && remoteScreenShares.includes(participant.id);
return participantIsInLargeVideoWithScreen;
}
/**
* Resolves the first loadable avatar URL for a participant.
*
* @param {Object} participant - The participant to resolve avatars for.
* @param {Store} store - Redux store.
* @returns {?string}
*/
async function _getFirstLoadableAvatarUrl(participant, store) {
for (let i = 0; i < AVATAR_CHECKER_FUNCTIONS.length; i++) {
const url = AVATAR_CHECKER_FUNCTIONS[i](participant, store);
if (url !== null) {
if (AVATAR_CHECKED_URLS.has(url)) {
const { isLoadable, isUsingCORS } = AVATAR_CHECKED_URLS.get(url) || {};
if (isLoadable) {
return {
isUsingCORS,
src: url
};
}
} else {
try {
const { corsAvatarURLs } = store.getState()['features/base/config'];
const { isUsingCORS, src } = await preloadImage(url, isCORSAvatarURL(url, corsAvatarURLs));
AVATAR_CHECKED_URLS.set(src, {
isLoadable: true,
isUsingCORS
});
return {
isUsingCORS,
src
};
} catch (e) {
AVATAR_CHECKED_URLS.set(url, {
isLoadable: false,
isUsingCORS: false
});
}
}
}
}
return undefined;
}
/**
* Get the participants queue with raised hands.
*
* @param {(Function|Object)} stateful - The (whole) redux state, or redux's
* {@code getState} function to be used to retrieve the state
* features/base/participants.
* @returns {Array<Object>}
*/
export function getRaiseHandsQueue(stateful: Object | Function): Array<Object> {
const { raisedHandsQueue } = toState(stateful)['features/base/participants'];
return raisedHandsQueue;
}
/**
* Returns whether the given participant has his hand raised or not.
*
* @param {Object} participant - The participant.
* @returns {boolean} - Whether participant has raise hand or not.
*/
export function hasRaisedHand(participant: Object): boolean {
return Boolean(participant && participant.raisedHandTimestamp);
}