774 lines
24 KiB
JavaScript
774 lines
24 KiB
JavaScript
/* global $, APP, interfaceConfig */
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const logger = require("jitsi-meet-logger").getLogger(__filename);
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import ConnectionIndicator from './ConnectionIndicator';
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import SmallVideo from "./SmallVideo";
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import UIUtils from "../util/UIUtil";
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import UIEvents from '../../../service/UI/UIEvents';
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import JitsiPopover from "../util/JitsiPopover";
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const MUTED_DIALOG_BUTTON_VALUES = {
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cancel: 0,
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muted: 1
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};
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/**
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* Creates new instance of the <tt>RemoteVideo</tt>.
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* @param user {JitsiParticipant} the user for whom remote video instance will
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* be created.
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* @param {VideoLayout} VideoLayout the video layout instance.
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* @param {EventEmitter} emitter the event emitter which will be used by
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* the new instance to emit events.
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* @constructor
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*/
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function RemoteVideo(user, VideoLayout, emitter) {
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this.user = user;
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this.id = user.getId();
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this.emitter = emitter;
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this.videoSpanId = `participant_${this.id}`;
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SmallVideo.call(this, VideoLayout);
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this.hasRemoteVideoMenu = false;
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this._supportsRemoteControl = false;
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this.addRemoteVideoContainer();
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this.connectionIndicator = new ConnectionIndicator(this, this.id);
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this.setDisplayName();
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this.bindHoverHandler();
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this.flipX = false;
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this.isLocal = false;
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this.popupMenuIsHovered = false;
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/**
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* The flag is set to <tt>true</tt> after the 'onplay' event has been
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* triggered on the current video element. It goes back to <tt>false</tt>
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* when the stream is removed. It is used to determine whether the video
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* playback has ever started.
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* @type {boolean}
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*/
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this.wasVideoPlayed = false;
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/**
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* The flag is set to <tt>true</tt> if remote participant's video gets muted
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* during his media connection disruption. This is to prevent black video
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* being render on the thumbnail, because even though once the video has
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* been played the image usually remains on the video element it seems that
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* after longer period of the video element being hidden this image can be
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* lost.
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* @type {boolean}
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*/
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this.mutedWhileDisconnected = false;
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}
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RemoteVideo.prototype = Object.create(SmallVideo.prototype);
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RemoteVideo.prototype.constructor = RemoteVideo;
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RemoteVideo.prototype.addRemoteVideoContainer = function() {
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this.container = RemoteVideo.createContainer(this.videoSpanId);
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this.initBrowserSpecificProperties();
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if (APP.conference.isModerator || this._supportsRemoteControl) {
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this.addRemoteVideoMenu();
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}
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this.VideoLayout.resizeThumbnails(false, true);
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this.addAudioLevelIndicator();
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return this.container;
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};
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/**
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* Initializes the remote participant popup menu, by specifying previously
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* constructed popupMenuElement, containing all the menu items.
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*
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* @param popupMenuElement a pre-constructed element, containing the menu items
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* to display in the popup
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*/
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RemoteVideo.prototype._initPopupMenu = function (popupMenuElement) {
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let options = {
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content: popupMenuElement.outerHTML,
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skin: "black",
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hasArrow: false,
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onBeforePosition: el => APP.translation.translateElement(el)
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};
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let element = $("#" + this.videoSpanId + " .remotevideomenu");
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this.popover = new JitsiPopover(element, options);
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this.popover.addOnHoverPopover(isHovered => {
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this.popupMenuIsHovered = isHovered;
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this.updateView();
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});
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// override popover show method to make sure we will update the content
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// before showing the popover
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let origShowFunc = this.popover.show;
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this.popover.show = function () {
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// update content by forcing it, to finish even if popover
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// is not visible
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this.updateRemoteVideoMenu(this.isAudioMuted, true);
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// call the original show, passing its actual this
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origShowFunc.call(this.popover);
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}.bind(this);
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};
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/**
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* Checks whether current video is considered hovered. Currently it is hovered
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* if the mouse is over the video, or if the connection indicator or the popup
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* menu is shown(hovered).
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* @private
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* NOTE: extends SmallVideo's method
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*/
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RemoteVideo.prototype._isHovered = function () {
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let isHovered = SmallVideo.prototype._isHovered.call(this)
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|| this.popupMenuIsHovered;
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return isHovered;
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};
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/**
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* Generates the popup menu content.
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*
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* @returns {Element|*} the constructed element, containing popup menu items
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* @private
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*/
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RemoteVideo.prototype._generatePopupContent = function () {
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let popupmenuElement = document.createElement('ul');
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popupmenuElement.className = 'popupmenu';
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popupmenuElement.id = `remote_popupmenu_${this.id}`;
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let menuItems = [];
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if(APP.conference.isModerator) {
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let muteTranslationKey;
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let muteClassName;
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if (this.isAudioMuted) {
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muteTranslationKey = 'videothumbnail.muted';
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muteClassName = 'mutelink disabled';
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} else {
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muteTranslationKey = 'videothumbnail.domute';
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muteClassName = 'mutelink';
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}
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let muteHandler = this._muteHandler.bind(this);
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let kickHandler = this._kickHandler.bind(this);
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menuItems = [
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{
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id: 'mutelink_' + this.id,
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handler: muteHandler,
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icon: 'icon-mic-disabled',
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className: muteClassName,
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data: {
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i18n: muteTranslationKey
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}
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}, {
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id: 'ejectlink_' + this.id,
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handler: kickHandler,
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icon: 'icon-kick',
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data: {
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i18n: 'videothumbnail.kick'
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}
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}
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];
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}
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if(this._supportsRemoteControl) {
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let icon, handler, className;
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if(APP.remoteControl.controller.getRequestedParticipant()
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=== this.id) {
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handler = () => {};
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className = "requestRemoteControlLink disabled";
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icon = "remote-control-spinner fa fa-spinner fa-spin";
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} else if(!APP.remoteControl.controller.isStarted()) {
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handler = this._requestRemoteControlPermissions.bind(this);
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icon = "fa fa-play";
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className = "requestRemoteControlLink";
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} else {
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handler = this._stopRemoteControl.bind(this);
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icon = "fa fa-stop";
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className = "requestRemoteControlLink";
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}
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menuItems.push({
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id: 'remoteControl_' + this.id,
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handler,
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icon,
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className,
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data: {
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i18n: 'videothumbnail.remoteControl'
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}
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});
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}
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menuItems.forEach(el => {
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let menuItem = this._generatePopupMenuItem(el);
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popupmenuElement.appendChild(menuItem);
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});
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APP.translation.translateElement($(popupmenuElement));
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return popupmenuElement;
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};
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/**
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* Sets the remote control supported value and initializes or updates the menu
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* depending on the remote control is supported or not.
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* @param {boolean} isSupported
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*/
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RemoteVideo.prototype.setRemoteControlSupport = function(isSupported = false) {
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if(this._supportsRemoteControl === isSupported) {
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return;
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}
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this._supportsRemoteControl = isSupported;
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if(!isSupported) {
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return;
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}
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if(!this.hasRemoteVideoMenu) {
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//create menu
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this.addRemoteVideoMenu();
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} else {
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//update the content
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this.updateRemoteVideoMenu(this.isAudioMuted, true);
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}
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};
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/**
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* Requests permissions for remote control session.
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*/
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RemoteVideo.prototype._requestRemoteControlPermissions = function () {
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APP.remoteControl.controller.requestPermissions(
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this.id, this.VideoLayout.getLargeVideoWrapper()).then(result => {
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if(result === null) {
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return;
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}
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this.updateRemoteVideoMenu(this.isAudioMuted, true);
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APP.UI.messageHandler.openMessageDialog(
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"dialog.remoteControlTitle",
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(result === false) ? "dialog.remoteControlDeniedMessage"
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: "dialog.remoteControlAllowedMessage",
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{user: this.user.getDisplayName()
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|| interfaceConfig.DEFAULT_REMOTE_DISPLAY_NAME}
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);
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if(result === true) {//the remote control permissions has been granted
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// pin the controlled participant
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let pinnedId = this.VideoLayout.getPinnedId();
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if(pinnedId !== this.id) {
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this.VideoLayout.handleVideoThumbClicked(this.id);
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}
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}
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}, error => {
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logger.error(error);
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this.updateRemoteVideoMenu(this.isAudioMuted, true);
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APP.UI.messageHandler.openMessageDialog(
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"dialog.remoteControlTitle",
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"dialog.remoteControlErrorMessage",
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{user: this.user.getDisplayName()
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|| interfaceConfig.DEFAULT_REMOTE_DISPLAY_NAME}
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);
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});
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this.updateRemoteVideoMenu(this.isAudioMuted, true);
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};
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/**
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* Stops remote control session.
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*/
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RemoteVideo.prototype._stopRemoteControl = function () {
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// send message about stopping
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APP.remoteControl.controller.stop();
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this.updateRemoteVideoMenu(this.isAudioMuted, true);
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};
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RemoteVideo.prototype._muteHandler = function () {
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if (this.isAudioMuted)
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return;
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RemoteVideo.showMuteParticipantDialog().then(reason => {
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if(reason === MUTED_DIALOG_BUTTON_VALUES.muted) {
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this.emitter.emit(UIEvents.REMOTE_AUDIO_MUTED, this.id);
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}
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}).catch(e => {
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//currently shouldn't be called
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logger.error(e);
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});
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this.popover.forceHide();
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};
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RemoteVideo.prototype._kickHandler = function () {
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this.emitter.emit(UIEvents.USER_KICKED, this.id);
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this.popover.forceHide();
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};
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RemoteVideo.prototype._generatePopupMenuItem = function (opts = {}) {
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let {
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id,
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handler,
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icon,
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data,
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className
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} = opts;
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handler = handler || $.noop;
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let menuItem = document.createElement('li');
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menuItem.className = 'popupmenu__item';
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let linkItem = document.createElement('a');
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linkItem.className = 'popupmenu__link';
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if (className) {
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linkItem.className += ` ${className}`;
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}
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if (icon) {
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let indicator = document.createElement('span');
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indicator.className = 'popupmenu__icon';
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indicator.innerHTML = `<i class="${icon}"></i>`;
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linkItem.appendChild(indicator);
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}
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let textContent = document.createElement('span');
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textContent.className = 'popupmenu__text';
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if (data) {
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let dataKeys = Object.keys(data);
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dataKeys.forEach(key => {
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textContent.dataset[key] = data[key];
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});
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}
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linkItem.appendChild(textContent);
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linkItem.id = id;
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linkItem.onclick = handler;
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menuItem.appendChild(linkItem);
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return menuItem;
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};
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/**
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* Updates the remote video menu.
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*
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* @param isMuted the new muted state to update to
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* @param force to work even if popover is not visible
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*/
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RemoteVideo.prototype.updateRemoteVideoMenu = function (isMuted, force) {
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this.isAudioMuted = isMuted;
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// generate content, translate it and add it to document only if
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// popover is visible or we force to do so.
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if(this.popover.popoverShown || force) {
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this.popover.updateContent(this._generatePopupContent());
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}
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};
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/**
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* @inheritDoc
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*/
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RemoteVideo.prototype.setMutedView = function(isMuted) {
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SmallVideo.prototype.setMutedView.call(this, isMuted);
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// Update 'mutedWhileDisconnected' flag
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this._figureOutMutedWhileDisconnected(this.isConnectionActive() === false);
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};
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/**
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* Figures out the value of {@link #mutedWhileDisconnected} flag by taking into
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* account remote participant's network connectivity and video muted status.
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*
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* @param {boolean} isDisconnected <tt>true</tt> if the remote participant is
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* currently having connectivity issues or <tt>false</tt> otherwise.
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*
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* @private
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*/
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RemoteVideo.prototype._figureOutMutedWhileDisconnected
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= function(isDisconnected) {
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if (isDisconnected && this.isVideoMuted) {
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this.mutedWhileDisconnected = true;
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} else if (!isDisconnected && !this.isVideoMuted) {
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this.mutedWhileDisconnected = false;
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}
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};
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/**
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* Adds the remote video menu element for the given <tt>id</tt> in the
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* given <tt>parentElement</tt>.
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*
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* @param id the id indicating the video for which we're adding a menu.
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* @param parentElement the parent element where this menu will be added
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*/
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RemoteVideo.prototype.addRemoteVideoMenu = function () {
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if (interfaceConfig.filmStripOnly) {
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return;
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}
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var spanElement = document.createElement('span');
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spanElement.className = 'remotevideomenu';
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this.container.appendChild(spanElement);
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var menuElement = document.createElement('i');
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menuElement.className = 'icon-menu-up';
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menuElement.title = 'Remote user controls';
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spanElement.appendChild(menuElement);
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this._initPopupMenu(this._generatePopupContent());
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this.hasRemoteVideoMenu = true;
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};
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/**
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* Removes the remote stream element corresponding to the given stream and
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* parent container.
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*
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* @param stream the MediaStream
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* @param isVideo <tt>true</tt> if given <tt>stream</tt> is a video one.
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*/
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RemoteVideo.prototype.removeRemoteStreamElement = function (stream) {
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if (!this.container)
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return false;
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var isVideo = stream.isVideoTrack();
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var elementID = SmallVideo.getStreamElementID(stream);
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var select = $('#' + elementID);
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select.remove();
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if (isVideo) {
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this.wasVideoPlayed = false;
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}
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logger.info((isVideo ? "Video" : "Audio") +
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" removed " + this.id, select);
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// when removing only the video element and we are on stage
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// update the stage
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if (isVideo && this.isCurrentlyOnLargeVideo())
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this.VideoLayout.updateLargeVideo(this.id);
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else
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// Missing video stream will affect display mode
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this.updateView();
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};
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/**
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* Checks whether the remote user associated with this <tt>RemoteVideo</tt>
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* has connectivity issues.
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*
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* @return {boolean} <tt>true</tt> if the user's connection is fine or
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* <tt>false</tt> otherwise.
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*/
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RemoteVideo.prototype.isConnectionActive = function() {
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return this.user.isConnectionActive();
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};
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/**
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* The remote video is considered "playable" once the stream has started
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* according to the {@link #hasVideoStarted} result.
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*
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* @inheritdoc
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* @override
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*/
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RemoteVideo.prototype.isVideoPlayable = function () {
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return SmallVideo.prototype.isVideoPlayable.call(this)
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&& this.hasVideoStarted() && !this.mutedWhileDisconnected;
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};
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/**
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* @inheritDoc
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*/
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RemoteVideo.prototype.updateView = function () {
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this.updateConnectionStatusIndicator(
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null /* will obtain the status from 'conference' */);
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// This must be called after 'updateConnectionStatusIndicator' because it
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// affects the display mode by modifying 'mutedWhileDisconnected' flag
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SmallVideo.prototype.updateView.call(this);
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};
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/**
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* Updates the UI to reflect user's connectivity status.
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* @param isActive {boolean|null} 'true' if user's connection is active or
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* 'false' when the use is having some connectivity issues and a warning
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* should be displayed. When 'null' is passed then the current value will be
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* obtained from the conference instance.
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*/
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RemoteVideo.prototype.updateConnectionStatusIndicator = function (isActive) {
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// Check for initial value if 'isActive' is not defined
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if (typeof isActive !== "boolean") {
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isActive = this.isConnectionActive();
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if (isActive === null) {
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// Cancel processing at this point - no update
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return;
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}
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}
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logger.debug(this.id + " thumbnail is connection active ? " + isActive);
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// Update 'mutedWhileDisconnected' flag
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this._figureOutMutedWhileDisconnected(!isActive);
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if(this.connectionIndicator)
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this.connectionIndicator.updateConnectionStatusIndicator(isActive);
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// Toggle thumbnail video problem filter
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this.selectVideoElement().toggleClass(
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"videoThumbnailProblemFilter", !isActive);
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this.$avatar().toggleClass(
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"videoThumbnailProblemFilter", !isActive);
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};
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/**
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* Removes RemoteVideo from the page.
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*/
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RemoteVideo.prototype.remove = function () {
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logger.log("Remove thumbnail", this.id);
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this.removeConnectionIndicator();
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// Make sure that the large video is updated if are removing its
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// corresponding small video.
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this.VideoLayout.updateAfterThumbRemoved(this.id);
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// Remove whole container
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if (this.container.parentNode) {
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this.container.parentNode.removeChild(this.container);
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}
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};
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RemoteVideo.prototype.waitForPlayback = function (streamElement, stream) {
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var webRtcStream = stream.getOriginalStream();
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var isVideo = stream.isVideoTrack();
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if (!isVideo || webRtcStream.id === 'mixedmslabel') {
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return;
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}
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var self = this;
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// Triggers when video playback starts
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var onPlayingHandler = function () {
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self.wasVideoPlayed = true;
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self.VideoLayout.remoteVideoActive(streamElement, self.id);
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streamElement.onplaying = null;
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// Refresh to show the video
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self.updateView();
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};
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streamElement.onplaying = onPlayingHandler;
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|
};
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|
|
|
/**
|
|
* Checks whether the video stream has started for this RemoteVideo instance.
|
|
*
|
|
* @returns {boolean} true if this RemoteVideo has a video stream for which
|
|
* the playback has been started.
|
|
*/
|
|
RemoteVideo.prototype.hasVideoStarted = function () {
|
|
return this.wasVideoPlayed;
|
|
};
|
|
|
|
RemoteVideo.prototype.addRemoteStreamElement = function (stream) {
|
|
if (!this.container) {
|
|
return;
|
|
}
|
|
|
|
let isVideo = stream.isVideoTrack();
|
|
isVideo ? this.videoStream = stream : this.audioStream = stream;
|
|
|
|
if (isVideo)
|
|
this.setVideoType(stream.videoType);
|
|
|
|
// Add click handler.
|
|
let onClickHandler = (event) => {
|
|
let source = event.target || event.srcElement;
|
|
|
|
// ignore click if it was done in popup menu
|
|
if ($(source).parents('.popupmenu').length === 0) {
|
|
this.VideoLayout.handleVideoThumbClicked(this.id);
|
|
}
|
|
|
|
// On IE we need to populate this handler on video <object>
|
|
// and it does not give event instance as an argument,
|
|
// so we check here for methods.
|
|
if (event.stopPropagation && event.preventDefault) {
|
|
event.stopPropagation();
|
|
event.preventDefault();
|
|
}
|
|
return false;
|
|
};
|
|
this.container.onclick = onClickHandler;
|
|
|
|
if(!stream.getOriginalStream())
|
|
return;
|
|
|
|
let streamElement = SmallVideo.createStreamElement(stream);
|
|
|
|
// Put new stream element always in front
|
|
UIUtils.prependChild(this.container, streamElement);
|
|
|
|
// If we hide element when Temasys plugin is used then
|
|
// we'll never receive 'onplay' event and other logic won't work as expected
|
|
// NOTE: hiding will not have effect when Temasys plugin is in use, as
|
|
// calling attach will show it back
|
|
$(streamElement).hide();
|
|
|
|
// If the container is currently visible
|
|
// we attach the stream to the element.
|
|
if (!isVideo || (this.container.offsetParent !== null && isVideo)) {
|
|
this.waitForPlayback(streamElement, stream);
|
|
|
|
streamElement = stream.attach(streamElement);
|
|
}
|
|
|
|
$(streamElement).click(onClickHandler);
|
|
};
|
|
|
|
/**
|
|
* Show/hide peer container for the given id.
|
|
*/
|
|
RemoteVideo.prototype.showPeerContainer = function (state) {
|
|
if (!this.container)
|
|
return;
|
|
|
|
var isHide = state === 'hide';
|
|
var resizeThumbnails = false;
|
|
|
|
if (!isHide) {
|
|
if (!$(this.container).is(':visible')) {
|
|
resizeThumbnails = true;
|
|
$(this.container).show();
|
|
}
|
|
// Call updateView, so that we'll figure out if avatar
|
|
// should be displayed based on video muted status and whether or not
|
|
// it's in the lastN set
|
|
this.updateView();
|
|
}
|
|
else if ($(this.container).is(':visible') && isHide)
|
|
{
|
|
resizeThumbnails = true;
|
|
$(this.container).hide();
|
|
if(this.connectionIndicator)
|
|
this.connectionIndicator.hide();
|
|
}
|
|
|
|
if (resizeThumbnails) {
|
|
this.VideoLayout.resizeThumbnails();
|
|
}
|
|
|
|
// We want to be able to pin a participant from the contact list, even
|
|
// if he's not in the lastN set!
|
|
// ContactList.setClickable(id, !isHide);
|
|
|
|
};
|
|
|
|
RemoteVideo.prototype.updateResolution = function (resolution) {
|
|
if (this.connectionIndicator) {
|
|
this.connectionIndicator.updateResolution(resolution);
|
|
}
|
|
};
|
|
|
|
RemoteVideo.prototype.removeConnectionIndicator = function () {
|
|
if (this.connectionIndicator)
|
|
this.connectionIndicator.remove();
|
|
};
|
|
|
|
RemoteVideo.prototype.hideConnectionIndicator = function () {
|
|
if (this.connectionIndicator)
|
|
this.connectionIndicator.hide();
|
|
};
|
|
|
|
/**
|
|
* Sets the display name for the given video span id.
|
|
*
|
|
* @param displayName the display name to set
|
|
*/
|
|
RemoteVideo.prototype.setDisplayName = function(displayName) {
|
|
if (!this.container) {
|
|
logger.warn( "Unable to set displayName - " + this.videoSpanId +
|
|
" does not exist");
|
|
return;
|
|
}
|
|
|
|
var nameSpan = $('#' + this.videoSpanId + ' .displayname');
|
|
|
|
// If we already have a display name for this video.
|
|
if (nameSpan.length > 0) {
|
|
if (displayName && displayName.length > 0) {
|
|
var displaynameSpan = $('#' + this.videoSpanId + '_name');
|
|
if (displaynameSpan.text() !== displayName)
|
|
displaynameSpan.text(displayName);
|
|
}
|
|
else
|
|
$('#' + this.videoSpanId + '_name').text(
|
|
interfaceConfig.DEFAULT_REMOTE_DISPLAY_NAME);
|
|
} else {
|
|
nameSpan = document.createElement('span');
|
|
nameSpan.className = 'displayname';
|
|
$('#' + this.videoSpanId)[0]
|
|
.appendChild(nameSpan);
|
|
|
|
if (displayName && displayName.length > 0) {
|
|
$(nameSpan).text(displayName);
|
|
} else {
|
|
nameSpan.innerHTML = interfaceConfig.DEFAULT_REMOTE_DISPLAY_NAME;
|
|
}
|
|
nameSpan.id = this.videoSpanId + '_name';
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Removes remote video menu element from video element identified by
|
|
* given <tt>videoElementId</tt>.
|
|
*
|
|
* @param videoElementId the id of local or remote video element.
|
|
*/
|
|
RemoteVideo.prototype.removeRemoteVideoMenu = function() {
|
|
var menuSpan = $('#' + this.videoSpanId + '> .remotevideomenu');
|
|
if (menuSpan.length) {
|
|
this.popover.forceHide();
|
|
menuSpan.remove();
|
|
this.hasRemoteVideoMenu = false;
|
|
}
|
|
};
|
|
|
|
RemoteVideo.createContainer = function (spanId) {
|
|
let container = document.createElement('span');
|
|
container.id = spanId;
|
|
container.className = 'videocontainer';
|
|
|
|
let wrapper = document.createElement('div');
|
|
wrapper.className = 'videocontainer__background';
|
|
container.appendChild(wrapper);
|
|
|
|
let indicatorBar = document.createElement('div');
|
|
indicatorBar.className = "videocontainer__toptoolbar";
|
|
container.appendChild(indicatorBar);
|
|
|
|
let toolbar = document.createElement('div');
|
|
toolbar.className = "videocontainer__toolbar";
|
|
container.appendChild(toolbar);
|
|
|
|
let overlay = document.createElement('div');
|
|
overlay.className = "videocontainer__hoverOverlay";
|
|
container.appendChild(overlay);
|
|
|
|
var remotes = document.getElementById('remoteVideos');
|
|
return remotes.appendChild(container);
|
|
};
|
|
|
|
/**
|
|
* Shows 2 button dialog for confirmation from the user for muting remote
|
|
* participant.
|
|
*/
|
|
RemoteVideo.showMuteParticipantDialog = function () {
|
|
return new Promise(resolve => {
|
|
APP.UI.messageHandler.openTwoButtonDialog({
|
|
titleKey : "dialog.muteParticipantTitle",
|
|
msgString: "<div data-i18n='dialog.muteParticipantBody'></div>",
|
|
leftButtonKey: "dialog.muteParticipantButton",
|
|
dontShowAgain: {
|
|
id: "dontShowMuteParticipantDialog",
|
|
textKey: "dialog.doNotShowMessageAgain",
|
|
checked: true,
|
|
buttonValues: [true]
|
|
},
|
|
submitFunction: () => resolve(MUTED_DIALOG_BUTTON_VALUES.muted),
|
|
closeFunction: () => resolve(MUTED_DIALOG_BUTTON_VALUES.cancel)
|
|
});
|
|
});
|
|
};
|
|
|
|
export default RemoteVideo;
|