jiti-meet/modules/UI/videolayout/VideoLayout.js

663 lines
18 KiB
JavaScript

/* global APP */
import Logger from 'jitsi-meet-logger';
import { MEDIA_TYPE, VIDEO_TYPE } from '../../../react/features/base/media';
import {
getLocalParticipant as getLocalParticipantFromStore,
getPinnedParticipant,
getParticipantById,
pinParticipant
} from '../../../react/features/base/participants';
import { getTrackByMediaTypeAndParticipant } from '../../../react/features/base/tracks';
import UIEvents from '../../../service/UI/UIEvents';
import { SHARED_VIDEO_CONTAINER_TYPE } from '../shared_video/SharedVideo';
import SharedVideoThumb from '../shared_video/SharedVideoThumb';
import LargeVideoManager from './LargeVideoManager';
import LocalVideo from './LocalVideo';
import RemoteVideo from './RemoteVideo';
import { VIDEO_CONTAINER_TYPE } from './VideoContainer';
const logger = Logger.getLogger(__filename);
const remoteVideos = {};
let localVideoThumbnail = null;
let eventEmitter = null;
let largeVideo;
/**
* flipX state of the localVideo
*/
let localFlipX = null;
/**
* Handler for local flip X changed event.
* @param {Object} val
*/
function onLocalFlipXChanged(val) {
localFlipX = val;
if (largeVideo) {
largeVideo.onLocalFlipXChange(val);
}
}
/**
* Returns an array of all thumbnails in the filmstrip.
*
* @private
* @returns {Array}
*/
function getAllThumbnails() {
return [
...localVideoThumbnail ? [ localVideoThumbnail ] : [],
...Object.values(remoteVideos)
];
}
/**
* Private helper to get the redux representation of the local participant.
*
* @private
* @returns {Object}
*/
function getLocalParticipant() {
return getLocalParticipantFromStore(APP.store.getState());
}
const VideoLayout = {
init(emitter) {
eventEmitter = emitter;
localVideoThumbnail = new LocalVideo(
emitter,
this._updateLargeVideoIfDisplayed.bind(this));
this.registerListeners();
},
/**
* Registering listeners for UI events in Video layout component.
*
* @returns {void}
*/
registerListeners() {
eventEmitter.addListener(UIEvents.LOCAL_FLIPX_CHANGED,
onLocalFlipXChanged);
},
/**
* Cleans up state of this singleton {@code VideoLayout}.
*
* @returns {void}
*/
reset() {
this._resetLargeVideo();
this._resetFilmstrip();
},
initLargeVideo() {
this._resetLargeVideo();
largeVideo = new LargeVideoManager(eventEmitter);
if (localFlipX) {
largeVideo.onLocalFlipXChange(localFlipX);
}
largeVideo.updateContainerSize();
},
/**
* Sets the audio level of the video elements associated to the given id.
*
* @param id the video identifier in the form it comes from the library
* @param lvl the new audio level to update to
*/
setAudioLevel(id, lvl) {
if (largeVideo && id === largeVideo.id) {
largeVideo.updateLargeVideoAudioLevel(lvl);
}
},
changeLocalVideo(stream) {
const localId = getLocalParticipant().id;
this.onVideoTypeChanged(localId, stream.videoType);
localVideoThumbnail.changeVideo(stream);
this._updateLargeVideoIfDisplayed(localId);
},
/**
* Shows/hides local video.
* @param {boolean} true to make the local video visible, false - otherwise
*/
setLocalVideoVisible(visible) {
localVideoThumbnail.setVisible(visible);
},
onRemoteStreamAdded(stream) {
const id = stream.getParticipantId();
const remoteVideo = remoteVideos[id];
logger.debug(`Received a new ${stream.getType()} stream for ${id}`);
if (!remoteVideo) {
logger.debug('No remote video element to add stream');
return;
}
remoteVideo.addRemoteStreamElement(stream);
this.onVideoMute(id);
remoteVideo.updateView();
},
onRemoteStreamRemoved(stream) {
const id = stream.getParticipantId();
const remoteVideo = remoteVideos[id];
// Remote stream may be removed after participant left the conference.
if (remoteVideo) {
remoteVideo.removeRemoteStreamElement(stream);
remoteVideo.updateView();
}
this.updateVideoMutedForNoTracks(id);
},
/**
* FIXME get rid of this method once muted indicator are reactified (by
* making sure that user with no tracks is displayed as muted )
*
* If participant has no tracks will make the UI display muted status.
* @param {string} participantId
*/
updateVideoMutedForNoTracks(participantId) {
const participant = APP.conference.getParticipantById(participantId);
if (participant && !participant.getTracksByMediaType('video').length) {
APP.UI.setVideoMuted(participantId);
}
},
/**
* Return the type of the remote video.
* @param id the id for the remote video
* @returns {String} the video type video or screen.
*/
getRemoteVideoType(id) {
const state = APP.store.getState();
const participant = getParticipantById(state, id);
if (participant?.isFakeParticipant) {
return SHARED_VIDEO_CONTAINER_TYPE;
}
const videoTrack = getTrackByMediaTypeAndParticipant(state['features/base/tracks'], MEDIA_TYPE.VIDEO, id);
return videoTrack?.videoType;
},
isPinned(id) {
return id === this.getPinnedId();
},
getPinnedId() {
const { id } = getPinnedParticipant(APP.store.getState()) || {};
return id || null;
},
/**
* Triggers a thumbnail to pin or unpin itself.
*
* @param {number} videoNumber - The index of the video to toggle pin on.
* @private
*/
togglePin(videoNumber) {
const videos = getAllThumbnails();
const videoView = videos[videoNumber];
videoView && videoView.togglePin();
},
/**
* Callback invoked to update display when the pin participant has changed.
*
* @paramn {string|null} pinnedParticipantID - The participant ID of the
* participant that is pinned or null if no one is pinned.
* @returns {void}
*/
onPinChange(pinnedParticipantID) {
getAllThumbnails().forEach(thumbnail =>
thumbnail.focus(pinnedParticipantID === thumbnail.getId()));
},
/**
* Creates a participant container for the given id.
*
* @param {Object} participant - The redux representation of a remote
* participant.
* @returns {void}
*/
addRemoteParticipantContainer(participant) {
if (!participant || participant.local) {
return;
} else if (participant.isFakeParticipant) {
const sharedVideoThumb = new SharedVideoThumb(participant);
this.addRemoteVideoContainer(participant.id, sharedVideoThumb);
return;
}
const id = participant.id;
const jitsiParticipant = APP.conference.getParticipantById(id);
const remoteVideo = new RemoteVideo(jitsiParticipant);
this.addRemoteVideoContainer(id, remoteVideo);
this.updateVideoMutedForNoTracks(id);
},
/**
* Adds remote video container for the given id and <tt>SmallVideo</tt>.
*
* @param {string} the id of the video to add
* @param {SmallVideo} smallVideo the small video instance to add as a
* remote video
*/
addRemoteVideoContainer(id, remoteVideo) {
remoteVideos[id] = remoteVideo;
// Initialize the view
remoteVideo.updateView();
},
/**
* On video muted event.
*/
onVideoMute(id) {
if (APP.conference.isLocalId(id)) {
localVideoThumbnail && localVideoThumbnail.updateView();
} else {
const remoteVideo = remoteVideos[id];
if (remoteVideo) {
remoteVideo.updateView();
}
}
// large video will show avatar instead of muted stream
this._updateLargeVideoIfDisplayed(id, true);
},
/**
* On dominant speaker changed event.
*
* @param {string} id - The participant ID of the new dominant speaker.
* @returns {void}
*/
onDominantSpeakerChanged(id) {
getAllThumbnails().forEach(thumbnail =>
thumbnail.showDominantSpeakerIndicator(id === thumbnail.getId()));
},
/**
* Shows/hides warning about a user's connectivity issues.
*
* @param {string} id - The ID of the remote participant(MUC nickname).
* @returns {void}
*/
onParticipantConnectionStatusChanged(id) {
if (APP.conference.isLocalId(id)) {
return;
}
// We have to trigger full large video update to transition from
// avatar to video on connectivity restored.
this._updateLargeVideoIfDisplayed(id, true);
const remoteVideo = remoteVideos[id];
if (remoteVideo) {
remoteVideo.updateView();
}
},
/**
* On last N change event.
*
* @param endpointsLeavingLastN the list currently leaving last N
* endpoints
* @param endpointsEnteringLastN the list currently entering last N
* endpoints
*/
onLastNEndpointsChanged(endpointsLeavingLastN, endpointsEnteringLastN) {
if (endpointsLeavingLastN) {
endpointsLeavingLastN.forEach(this._updateRemoteVideo, this);
}
if (endpointsEnteringLastN) {
endpointsEnteringLastN.forEach(this._updateRemoteVideo, this);
}
},
/**
* Updates remote video by id if it exists.
* @param {string} id of the remote video
* @private
*/
_updateRemoteVideo(id) {
const remoteVideo = remoteVideos[id];
if (remoteVideo) {
remoteVideo.updateView();
this._updateLargeVideoIfDisplayed(id);
}
},
removeParticipantContainer(id) {
// Unlock large video
if (this.getPinnedId() === id) {
logger.info('Focused video owner has left the conference');
APP.store.dispatch(pinParticipant(null));
}
const remoteVideo = remoteVideos[id];
if (remoteVideo) {
// Remove remote video
logger.info(`Removing remote video: ${id}`);
delete remoteVideos[id];
remoteVideo.remove();
} else {
logger.warn(`No remote video for ${id}`);
}
},
onVideoTypeChanged(id, newVideoType) {
const remoteVideo = remoteVideos[id];
if (!remoteVideo) {
return;
}
logger.info('Peer video type changed: ', id, newVideoType);
remoteVideo.updateView();
},
/**
* Resizes the video area.
*/
resizeVideoArea() {
if (largeVideo) {
largeVideo.updateContainerSize();
largeVideo.resize(false);
}
},
getSmallVideo(id) {
if (APP.conference.isLocalId(id)) {
return localVideoThumbnail;
}
return remoteVideos[id];
},
changeUserAvatar(id, avatarUrl) {
if (this.isCurrentlyOnLarge(id)) {
largeVideo.updateAvatar(avatarUrl);
}
},
isLargeVideoVisible() {
return this.isLargeContainerTypeVisible(VIDEO_CONTAINER_TYPE);
},
/**
* @return {LargeContainer} the currently displayed container on large
* video.
*/
getCurrentlyOnLargeContainer() {
return largeVideo.getCurrentContainer();
},
isCurrentlyOnLarge(id) {
return largeVideo && largeVideo.id === id;
},
/**
* Triggers an update of remote video and large video displays so they may
* pick up any state changes that have occurred elsewhere.
*
* @returns {void}
*/
updateAllVideos() {
const displayedUserId = this.getLargeVideoID();
if (displayedUserId) {
this.updateLargeVideo(displayedUserId, true);
}
Object.keys(remoteVideos).forEach(video => {
remoteVideos[video].updateView();
});
},
updateLargeVideo(id, forceUpdate) {
if (!largeVideo) {
return;
}
const currentContainer = largeVideo.getCurrentContainer();
const currentContainerType = largeVideo.getCurrentContainerType();
const isOnLarge = this.isCurrentlyOnLarge(id);
const state = APP.store.getState();
const videoTrack = getTrackByMediaTypeAndParticipant(state['features/base/tracks'], MEDIA_TYPE.VIDEO, id);
const videoStream = videoTrack?.jitsiTrack;
if (isOnLarge && !forceUpdate
&& LargeVideoManager.isVideoContainer(currentContainerType)
&& videoStream) {
const currentStreamId = currentContainer.getStreamID();
const newStreamId = videoStream?.getId() || null;
// FIXME it might be possible to get rid of 'forceUpdate' argument
if (currentStreamId !== newStreamId) {
logger.debug('Enforcing large video update for stream change');
forceUpdate = true; // eslint-disable-line no-param-reassign
}
}
if (!isOnLarge || forceUpdate) {
const videoType = this.getRemoteVideoType(id);
largeVideo.updateLargeVideo(
id,
videoStream,
videoType || VIDEO_TYPE.CAMERA
).catch(() => {
// do nothing
});
}
},
addLargeVideoContainer(type, container) {
largeVideo && largeVideo.addContainer(type, container);
},
removeLargeVideoContainer(type) {
largeVideo && largeVideo.removeContainer(type);
},
/**
* @returns Promise
*/
showLargeVideoContainer(type, show) {
if (!largeVideo) {
return Promise.reject();
}
const isVisible = this.isLargeContainerTypeVisible(type);
if (isVisible === show) {
return Promise.resolve();
}
const currentId = largeVideo.id;
let oldSmallVideo;
if (currentId) {
oldSmallVideo = this.getSmallVideo(currentId);
}
let containerTypeToShow = type;
// if we are hiding a container and there is focusedVideo
// (pinned remote video) use its video type,
// if not then use default type - large video
if (!show) {
const pinnedId = this.getPinnedId();
if (pinnedId) {
containerTypeToShow = this.getRemoteVideoType(pinnedId);
} else {
containerTypeToShow = VIDEO_CONTAINER_TYPE;
}
}
return largeVideo.showContainer(containerTypeToShow)
.then(() => {
if (oldSmallVideo) {
oldSmallVideo && oldSmallVideo.updateView();
}
});
},
isLargeContainerTypeVisible(type) {
return largeVideo && largeVideo.state === type;
},
/**
* Returns the id of the current video shown on large.
* Currently used by tests (torture).
*/
getLargeVideoID() {
return largeVideo && largeVideo.id;
},
/**
* Returns the the current video shown on large.
* Currently used by tests (torture).
*/
getLargeVideo() {
return largeVideo;
},
/**
* Sets the flipX state of the local video.
* @param {boolean} true for flipped otherwise false;
*/
setLocalFlipX(val) {
this.localFlipX = val;
},
/**
* Returns the wrapper jquery selector for the largeVideo
* @returns {JQuerySelector} the wrapper jquery selector for the largeVideo
*/
getLargeVideoWrapper() {
return this.getCurrentlyOnLargeContainer().$wrapper;
},
/**
* Returns the number of remove video ids.
*
* @returns {number} The number of remote videos.
*/
getRemoteVideosCount() {
return Object.keys(remoteVideos).length;
},
/**
* Helper method to invoke when the video layout has changed and elements
* have to be re-arranged and resized.
*
* @returns {void}
*/
refreshLayout() {
localVideoThumbnail && localVideoThumbnail.updateDOMLocation();
VideoLayout.resizeVideoArea();
// Rerender the thumbnails since they are dependent on the layout because of the tooltip positioning.
localVideoThumbnail && localVideoThumbnail.rerender();
Object.values(remoteVideos).forEach(remoteVideoThumbnail => remoteVideoThumbnail.rerender());
},
/**
* Cleans up any existing largeVideo instance.
*
* @private
* @returns {void}
*/
_resetLargeVideo() {
if (largeVideo) {
largeVideo.destroy();
}
largeVideo = null;
},
/**
* Cleans up filmstrip state. While a separate {@code Filmstrip} exists, its
* implementation is mainly for querying and manipulating the DOM while
* state mostly remains in {@code VideoLayout}.
*
* @private
* @returns {void}
*/
_resetFilmstrip() {
Object.keys(remoteVideos).forEach(remoteVideoId => {
this.removeParticipantContainer(remoteVideoId);
delete remoteVideos[remoteVideoId];
});
if (localVideoThumbnail) {
localVideoThumbnail.remove();
localVideoThumbnail = null;
}
},
/**
* Triggers an update of large video if the passed in participant is
* currently displayed on large video.
*
* @param {string} participantId - The participant ID that should trigger an
* update of large video if displayed.
* @param {boolean} force - Whether or not the large video update should
* happen no matter what.
* @returns {void}
*/
_updateLargeVideoIfDisplayed(participantId, force = false) {
if (this.isCurrentlyOnLarge(participantId)) {
this.updateLargeVideo(participantId, force);
}
},
/**
* Handles window resizes.
*/
onResize() {
VideoLayout.resizeVideoArea();
}
};
export default VideoLayout;