553 lines
17 KiB
JavaScript
553 lines
17 KiB
JavaScript
/* global $, APP, JitsiMeetJS */
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/* jshint -W101 */
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import Avatar from "../avatar/Avatar";
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import UIUtil from "../util/UIUtil";
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import UIEvents from "../../../service/UI/UIEvents";
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const RTCUIHelper = JitsiMeetJS.util.RTCUIHelper;
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function SmallVideo(VideoLayout) {
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this.isMuted = false;
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this.hasAvatar = false;
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this.isVideoMuted = false;
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this.videoStream = null;
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this.audioStream = null;
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this.VideoLayout = VideoLayout;
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}
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function setVisibility(selector, show) {
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if (selector && selector.length > 0) {
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selector.css("visibility", show ? "visible" : "hidden");
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}
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}
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/**
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* Returns the identifier of this small video.
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*
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* @returns the identifier of this small video
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*/
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SmallVideo.prototype.getId = function () {
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return this.id;
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};
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/* Indicates if this small video is currently visible.
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*
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* @return <tt>true</tt> if this small video isn't currently visible and
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* <tt>false</tt> - otherwise.
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*/
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SmallVideo.prototype.isVisible = function () {
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return $('#' + this.videoSpanId).is(':visible');
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};
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SmallVideo.prototype.showDisplayName = function(isShow) {
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var nameSpan = $('#' + this.videoSpanId + '>span.displayname').get(0);
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if (isShow) {
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if (nameSpan && nameSpan.innerHTML && nameSpan.innerHTML.length)
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nameSpan.setAttribute("style", "display:inline-block;");
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}
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else {
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if (nameSpan)
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nameSpan.setAttribute("style", "display:none;");
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}
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};
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/**
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* Enables / disables the device availability icons for this small video.
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* @param {enable} set to {true} to enable and {false} to disable
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*/
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SmallVideo.prototype.enableDeviceAvailabilityIcons = function (enable) {
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if (typeof enable === "undefined")
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return;
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this.deviceAvailabilityIconsEnabled = enable;
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};
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/**
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* Sets the device "non" availability icons.
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* @param devices the devices, which will be checked for availability
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*/
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SmallVideo.prototype.setDeviceAvailabilityIcons = function (devices) {
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if (!this.deviceAvailabilityIconsEnabled)
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return;
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if(!this.container)
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return;
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var noMic = $("#" + this.videoSpanId + " > .noMic");
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var noVideo = $("#" + this.videoSpanId + " > .noVideo");
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noMic.remove();
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noVideo.remove();
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if (!devices.audio) {
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this.container.appendChild(
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document.createElement("div")).setAttribute("class", "noMic");
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}
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if (!devices.video) {
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this.container.appendChild(
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document.createElement("div")).setAttribute("class", "noVideo");
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}
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if (!devices.audio && !devices.video) {
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noMic.css("background-position", "75%");
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noVideo.css("background-position", "25%");
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noVideo.css("background-color", "transparent");
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}
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};
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/**
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* Sets the type of the video displayed by this instance.
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* @param videoType 'camera' or 'desktop'
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*/
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SmallVideo.prototype.setVideoType = function (videoType) {
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this.videoType = videoType;
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};
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/**
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* Returns the type of the video displayed by this instance.
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* @returns {String} 'camera', 'screen' or undefined.
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*/
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SmallVideo.prototype.getVideoType = function () {
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return this.videoType;
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};
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/**
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* Shows the presence status message for the given video.
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*/
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SmallVideo.prototype.setPresenceStatus = function (statusMsg) {
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if (!this.container) {
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// No container
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return;
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}
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var statusSpan = $('#' + this.videoSpanId + '>span.status');
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if (!statusSpan.length) {
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//Add status span
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statusSpan = document.createElement('span');
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statusSpan.className = 'status';
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statusSpan.id = this.videoSpanId + '_status';
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$('#' + this.videoSpanId)[0].appendChild(statusSpan);
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statusSpan = $('#' + this.videoSpanId + '>span.status');
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}
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// Display status
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if (statusMsg && statusMsg.length) {
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$('#' + this.videoSpanId + '_status').text(statusMsg);
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statusSpan.get(0).setAttribute("style", "display:inline-block;");
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}
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else {
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// Hide
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statusSpan.get(0).setAttribute("style", "display:none;");
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}
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};
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/**
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* Creates an audio or video element for a particular MediaStream.
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*/
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SmallVideo.createStreamElement = function (stream) {
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let isVideo = stream.isVideoTrack();
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let element = isVideo
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? document.createElement('video')
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: document.createElement('audio');
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if (isVideo) {
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element.setAttribute("muted", "true");
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}
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RTCUIHelper.setAutoPlay(element, true);
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element.id = SmallVideo.getStreamElementID(stream);
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return element;
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};
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/**
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* Returns the element id for a particular MediaStream.
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*/
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SmallVideo.getStreamElementID = function (stream) {
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let isVideo = stream.isVideoTrack();
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return (isVideo ? 'remoteVideo_' : 'remoteAudio_') + stream.getId();
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};
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/**
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* Configures hoverIn/hoverOut handlers.
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*/
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SmallVideo.prototype.bindHoverHandler = function () {
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// Add hover handler
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var self = this;
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$(this.container).hover(
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function () {
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self.showDisplayName(true);
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},
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function () {
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// If the video has been "pinned" by the user we want to
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// keep the display name on place.
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if (!self.VideoLayout.isLargeVideoVisible() ||
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!self.VideoLayout.isCurrentlyOnLarge(self.id))
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self.showDisplayName(false);
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}
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);
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};
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/**
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* Updates the data for the indicator
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* @param id the id of the indicator
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* @param percent the percent for connection quality
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* @param object the data
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*/
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SmallVideo.prototype.updateStatsIndicator = function (percent, object) {
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if(this.connectionIndicator)
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this.connectionIndicator.updateConnectionQuality(percent, object);
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};
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SmallVideo.prototype.hideIndicator = function () {
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if(this.connectionIndicator)
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this.connectionIndicator.hideIndicator();
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};
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/**
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* Shows audio muted indicator over small videos.
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* @param {string} isMuted
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*/
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SmallVideo.prototype.showAudioIndicator = function(isMuted) {
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var audioMutedSpan = $('#' + this.videoSpanId + '>span.audioMuted');
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if (!isMuted) {
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if (audioMutedSpan.length > 0) {
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audioMutedSpan.popover('hide');
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audioMutedSpan.remove();
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}
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}
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else {
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if (!audioMutedSpan.length) {
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audioMutedSpan = document.createElement('span');
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audioMutedSpan.className = 'audioMuted';
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UIUtil.setTooltip(audioMutedSpan,
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"videothumbnail.mute",
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"top");
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this.container.appendChild(audioMutedSpan);
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APP.translation.translateElement($('#' + this.videoSpanId + " > span"));
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var mutedIndicator = document.createElement('i');
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mutedIndicator.className = 'icon-mic-disabled';
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audioMutedSpan.appendChild(mutedIndicator);
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}
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this.updateIconPositions();
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}
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this.isMuted = isMuted;
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};
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/**
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* Shows video muted indicator over small videos and disables/enables avatar
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* if video muted.
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*/
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SmallVideo.prototype.setMutedView = function(isMuted) {
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this.isVideoMuted = isMuted;
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this.updateView();
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var videoMutedSpan = $('#' + this.videoSpanId + '>span.videoMuted');
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if (isMuted === false) {
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if (videoMutedSpan.length > 0) {
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videoMutedSpan.remove();
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}
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}
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else {
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if (!videoMutedSpan.length) {
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videoMutedSpan = document.createElement('span');
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videoMutedSpan.className = 'videoMuted';
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this.container.appendChild(videoMutedSpan);
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var mutedIndicator = document.createElement('i');
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mutedIndicator.className = 'icon-camera-disabled';
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UIUtil.setTooltip(mutedIndicator,
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"videothumbnail.videomute",
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"top");
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videoMutedSpan.appendChild(mutedIndicator);
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//translate texts for muted indicator
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APP.translation.translateElement($('#' + this.videoSpanId + " > span > i"));
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}
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this.updateIconPositions();
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}
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};
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SmallVideo.prototype.updateIconPositions = function () {
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var audioMutedSpan = $('#' + this.videoSpanId + '>span.audioMuted');
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var connectionIndicator = $('#' + this.videoSpanId + '>div.connectionindicator');
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var videoMutedSpan = $('#' + this.videoSpanId + '>span.videoMuted');
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if(connectionIndicator.length > 0 &&
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connectionIndicator[0].style.display != "none") {
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audioMutedSpan.css({right: "23px"});
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videoMutedSpan.css({right: ((audioMutedSpan.length > 0? 23 : 0) + 30) + "px"});
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} else {
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audioMutedSpan.css({right: "0px"});
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videoMutedSpan.css({right: (audioMutedSpan.length > 0? 30 : 0) + "px"});
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}
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};
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/**
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* Creates the element indicating the moderator(owner) of the conference.
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*/
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SmallVideo.prototype.createModeratorIndicatorElement = function () {
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// Show moderator indicator
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var indicatorSpan = $('#' + this.videoSpanId + ' .focusindicator');
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if (!indicatorSpan || indicatorSpan.length === 0) {
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indicatorSpan = document.createElement('span');
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indicatorSpan.className = 'focusindicator';
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this.container.appendChild(indicatorSpan);
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indicatorSpan = $('#' + this.videoSpanId + ' .focusindicator');
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}
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if (indicatorSpan.children().length !== 0)
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return;
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var moderatorIndicator = document.createElement('i');
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moderatorIndicator.className = 'icon-star';
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indicatorSpan[0].appendChild(moderatorIndicator);
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UIUtil.setTooltip(indicatorSpan[0],
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"videothumbnail.moderator",
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"top");
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//translates text in focus indicators
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APP.translation.translateElement($('#' + this.videoSpanId + ' .focusindicator'));
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};
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/**
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* Removes the element indicating the moderator(owner) of the conference.
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*/
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SmallVideo.prototype.removeModeratorIndicatorElement = function () {
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$('#' + this.videoSpanId + ' .focusindicator').remove();
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};
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/**
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* This is an especially interesting function. A naive reader might think that
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* it returns this SmallVideo's "video" element. But it is much more exciting.
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* It first finds this video's parent element using jquery, then uses a utility
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* from lib-jitsi-meet to extract the video element from it (with two more
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* jquery calls), and finally uses jquery again to encapsulate the video element
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* in an array. This last step allows (some might prefer "forces") users of
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* this function to access the video element via the 0th element of the returned
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* array (after checking its length of course!).
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*/
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SmallVideo.prototype.selectVideoElement = function () {
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return $(RTCUIHelper.findVideoElement($('#' + this.videoSpanId)[0]));
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};
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/**
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* Enables / disables the css responsible for focusing/pinning a video
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* thumbnail.
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*
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* @param isFocused indicates if the thumbnail should be focused/pinned or not
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*/
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SmallVideo.prototype.focus = function(isFocused) {
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var focusedCssClass = "videoContainerFocused";
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var isFocusClassEnabled = $(this.container).hasClass(focusedCssClass);
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if (!isFocused && isFocusClassEnabled) {
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$(this.container).removeClass(focusedCssClass);
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}
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else if (isFocused && !isFocusClassEnabled) {
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$(this.container).addClass(focusedCssClass);
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}
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};
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SmallVideo.prototype.hasVideo = function () {
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return this.selectVideoElement().length !== 0;
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};
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/**
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* Hides or shows the user's avatar.
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* This update assumes that large video had been updated and we will
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* reflect it on this small video.
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*
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* @param show whether we should show the avatar or not
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* video because there is no dominant speaker and no focused speaker
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*/
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SmallVideo.prototype.updateView = function () {
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if (!this.hasAvatar) {
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if (this.id) {
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// Init avatar
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this.avatarChanged(Avatar.getAvatarUrl(this.id));
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} else {
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console.error("Unable to init avatar - no id", this);
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return;
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}
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}
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let video = this.selectVideoElement();
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let avatar = $('#' + this.videoSpanId + ' .userAvatar');
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var isCurrentlyOnLarge = this.VideoLayout.isCurrentlyOnLarge(this.id);
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var showVideo = !this.isVideoMuted && !isCurrentlyOnLarge;
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var showAvatar;
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if ((!this.isLocal
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&& !this.VideoLayout.isInLastN(this.id))
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|| this.isVideoMuted) {
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showAvatar = true;
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} else {
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// We want to show the avatar when the video is muted or not exists
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// that is when 'true' or 'null' is returned
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showAvatar = !this.videoStream || this.videoStream.isMuted();
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}
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showAvatar = showAvatar && !isCurrentlyOnLarge;
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if (video && video.length > 0) {
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setVisibility(video, showVideo);
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}
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setVisibility(avatar, showAvatar);
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this.showDisplayName(!showVideo && !showAvatar);
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};
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SmallVideo.prototype.avatarChanged = function (avatarUrl) {
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var thumbnail = $('#' + this.videoSpanId);
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var avatar = $('#' + this.videoSpanId + ' .userAvatar');
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this.hasAvatar = true;
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// set the avatar in the thumbnail
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if (avatar && avatar.length > 0) {
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avatar[0].src = avatarUrl;
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} else {
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if (thumbnail && thumbnail.length > 0) {
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avatar = document.createElement('img');
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avatar.className = 'userAvatar';
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avatar.src = avatarUrl;
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thumbnail.append(avatar);
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}
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}
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};
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/**
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* Shows or hides the dominant speaker indicator.
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* @param show whether to show or hide.
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*/
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SmallVideo.prototype.showDominantSpeakerIndicator = function (show) {
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if (!this.container) {
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console.warn( "Unable to set dominant speaker indicator - "
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+ this.videoSpanId + " does not exist");
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return;
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}
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var indicatorSpanId = "dominantspeakerindicator";
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var indicatorSpan = this.getIndicatorSpan(indicatorSpanId);
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indicatorSpan.innerHTML
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= "<i id='indicatoricon' class='fa fa-bullhorn'></i>";
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// adds a tooltip
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UIUtil.setTooltip(indicatorSpan, "speaker", "left");
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APP.translation.translateElement($(indicatorSpan));
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$(indicatorSpan).css("visibility", show ? "visible" : "hidden");
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};
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/**
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* Shows or hides the raised hand indicator.
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* @param show whether to show or hide.
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*/
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SmallVideo.prototype.showRaisedHandIndicator = function (show) {
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if (!this.container) {
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console.warn( "Unable to raised hand indication - "
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+ this.videoSpanId + " does not exist");
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return;
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}
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var indicatorSpanId = "raisehandindicator";
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var indicatorSpan = this.getIndicatorSpan(indicatorSpanId);
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indicatorSpan.style.background = "#D6D61E";
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indicatorSpan.innerHTML
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= "<i id='indicatoricon' class='fa fa-hand-paper-o'></i>";
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// adds a tooltip
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UIUtil.setTooltip(indicatorSpan, "raisedHand", "left");
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APP.translation.translateElement($(indicatorSpan));
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$(indicatorSpan).css("visibility", show ? "visible" : "hidden");
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};
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/**
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* Gets (creating if necessary) the "indicator" span for this SmallVideo
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identified by an ID.
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*/
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SmallVideo.prototype.getIndicatorSpan = function(id) {
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var indicatorSpan;
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var spans = $(`#${this.videoSpanId}>[id=${id}`);
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if (spans.length <= 0) {
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indicatorSpan = document.createElement('span');
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indicatorSpan.id = id;
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indicatorSpan.className = "indicator";
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$('#' + this.videoSpanId)[0].appendChild(indicatorSpan);
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} else {
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indicatorSpan = spans[0];
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}
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return indicatorSpan;
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};
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/**
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* Adds a listener for onresize events for this video, which will monitor for
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* resolution changes, will calculate the delay since the moment the listened
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* is added, and will fire a RESOLUTION_CHANGED event.
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*/
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SmallVideo.prototype.waitForResolutionChange = function() {
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let self = this;
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let beforeChange = window.performance.now();
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let videos = this.selectVideoElement();
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if (!videos || !videos.length || videos.length <= 0)
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return;
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let video = videos[0];
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let oldWidth = video.videoWidth;
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let oldHeight = video.videoHeight;
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video.onresize = (event) => {
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if (video.videoWidth != oldWidth || video.videoHeight != oldHeight) {
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// Only run once.
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video.onresize = null;
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let delay = window.performance.now() - beforeChange;
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let emitter = self.VideoLayout.getEventEmitter();
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if (emitter) {
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emitter.emit(
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UIEvents.RESOLUTION_CHANGED,
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self.getId(),
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oldWidth + "x" + oldHeight,
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video.videoWidth + "x" + video.videoHeight,
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delay);
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}
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}
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};
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};
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/**
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* Initalizes any browser specific properties. Currently sets the overflow
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* property for Qt browsers on Windows to hidden, thus fixing the following
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* problem:
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* Some browsers don't have full support of the object-fit property for the
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* video element and when we set video object-fit to "cover" the video
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* actually overflows the boundaries of its container, so it's important
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* to indicate that the "overflow" should be hidden.
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*
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* Setting this property for all browsers will result in broken audio levels,
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* which makes this a temporary solution, before reworking audio levels.
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*/
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SmallVideo.prototype.initBrowserSpecificProperties = function() {
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var userAgent = window.navigator.userAgent;
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if (userAgent.indexOf("QtWebEngine") > -1
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&& (userAgent.indexOf("Windows") > -1
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|| userAgent.indexOf("Linux") > -1)) {
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$('#' + this.videoSpanId).css("overflow", "hidden");
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}
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};
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export default SmallVideo;
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