647 lines
19 KiB
JavaScript
647 lines
19 KiB
JavaScript
/* global $, APP, interfaceConfig */
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/* jshint -W101 */
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import UIUtil from "../util/UIUtil";
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import UIEvents from "../../../service/UI/UIEvents";
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import LargeContainer from './LargeContainer';
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import FilmStrip from './FilmStrip';
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import Avatar from "../avatar/Avatar";
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import {createDeferred} from '../../util/helpers';
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const FADE_DURATION_MS = 300;
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export const VIDEO_CONTAINER_TYPE = "camera";
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/**
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* Get stream id.
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* @param {JitsiTrack?} stream
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*/
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function getStreamOwnerId(stream) {
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if (!stream) {
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return;
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}
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if (stream.isLocal()) { // local stream doesn't have method "getParticipantId"
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return APP.conference.localId;
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} else {
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return stream.getParticipantId();
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}
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}
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/**
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* Returns an array of the video dimensions, so that it keeps it's aspect
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* ratio and fits available area with it's larger dimension. This method
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* ensures that whole video will be visible and can leave empty areas.
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*
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* @return an array with 2 elements, the video width and the video height
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*/
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function getDesktopVideoSize(videoWidth,
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videoHeight,
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videoSpaceWidth,
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videoSpaceHeight) {
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let aspectRatio = videoWidth / videoHeight;
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let availableWidth = Math.max(videoWidth, videoSpaceWidth);
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let availableHeight = Math.max(videoHeight, videoSpaceHeight);
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videoSpaceHeight -= FilmStrip.getFilmStripHeight();
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if (availableWidth / aspectRatio >= videoSpaceHeight) {
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availableHeight = videoSpaceHeight;
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availableWidth = availableHeight * aspectRatio;
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}
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if (availableHeight * aspectRatio >= videoSpaceWidth) {
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availableWidth = videoSpaceWidth;
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availableHeight = availableWidth / aspectRatio;
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}
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return [ availableWidth, availableHeight ];
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}
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/**
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* Returns an array of the video dimensions. It respects the
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* VIDEO_LAYOUT_FIT config, to fit the video to the screen, by hiding some parts
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* of it, or to fit it to the height or width.
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*
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* @param videoWidth the original video width
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* @param videoHeight the original video height
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* @param videoSpaceWidth the width of the video space
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* @param videoSpaceHeight the height of the video space
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* @return an array with 2 elements, the video width and the video height
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*/
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function getCameraVideoSize(videoWidth,
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videoHeight,
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videoSpaceWidth,
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videoSpaceHeight) {
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let aspectRatio = videoWidth / videoHeight;
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let availableWidth = videoWidth;
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let availableHeight = videoHeight;
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if (interfaceConfig.VIDEO_LAYOUT_FIT == 'height') {
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availableHeight = videoSpaceHeight;
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availableWidth = availableHeight*aspectRatio;
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}
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else if (interfaceConfig.VIDEO_LAYOUT_FIT == 'width') {
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availableWidth = videoSpaceWidth;
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availableHeight = availableWidth/aspectRatio;
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}
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else if (interfaceConfig.VIDEO_LAYOUT_FIT == 'both') {
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availableWidth = Math.max(videoWidth, videoSpaceWidth);
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availableHeight = Math.max(videoHeight, videoSpaceHeight);
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if (availableWidth / aspectRatio < videoSpaceHeight) {
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availableHeight = videoSpaceHeight;
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availableWidth = availableHeight * aspectRatio;
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}
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if (availableHeight * aspectRatio < videoSpaceWidth) {
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availableWidth = videoSpaceWidth;
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availableHeight = availableWidth / aspectRatio;
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}
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}
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return [ availableWidth, availableHeight ];
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}
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/**
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* Returns an array of the video horizontal and vertical indents,
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* so that if fits its parent.
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*
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* @return an array with 2 elements, the horizontal indent and the vertical
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* indent
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*/
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function getCameraVideoPosition(videoWidth,
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videoHeight,
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videoSpaceWidth,
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videoSpaceHeight) {
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// Parent height isn't completely calculated when we position the video in
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// full screen mode and this is why we use the screen height in this case.
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// Need to think it further at some point and implement it properly.
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if (UIUtil.isFullScreen()) {
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videoSpaceHeight = window.innerHeight;
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}
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let horizontalIndent = (videoSpaceWidth - videoWidth) / 2;
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let verticalIndent = (videoSpaceHeight - videoHeight) / 2;
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return { horizontalIndent, verticalIndent };
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}
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/**
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* Returns an array of the video horizontal and vertical indents.
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* Centers horizontally and top aligns vertically.
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*
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* @return an array with 2 elements, the horizontal indent and the vertical
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* indent
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*/
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function getDesktopVideoPosition(videoWidth,
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videoHeight,
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videoSpaceWidth,
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videoSpaceHeight) {
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let horizontalIndent = (videoSpaceWidth - videoWidth) / 2;
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let verticalIndent = 0;// Top aligned
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return { horizontalIndent, verticalIndent };
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}
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/**
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* Container for user video.
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*/
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class VideoContainer extends LargeContainer {
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// FIXME: With Temasys we have to re-select everytime
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get $video () {
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return $('#largeVideo');
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}
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get id () {
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return getStreamOwnerId(this.stream);
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}
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constructor (onPlay) {
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super();
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this.stream = null;
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this.videoType = null;
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this.isVisible = false;
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this.$avatar = $('#dominantSpeaker');
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this.$wrapper = $('#largeVideoWrapper');
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this.avatarHeight = $("#dominantSpeakerAvatar").height();
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// This does not work with Temasys plugin - has to be a property to be
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// copied between new <object> elements
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//this.$video.on('play', onPlay);
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this.$video[0].onplay = onPlay;
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}
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/**
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* Get size of video element.
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* @returns {{width, height}}
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*/
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getStreamSize () {
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let video = this.$video[0];
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return {
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width: video.videoWidth,
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height: video.videoHeight
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};
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}
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/**
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* Calculate optimal video size for specified container size.
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* @param {number} containerWidth container width
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* @param {number} containerHeight container height
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* @returns {{availableWidth, availableHeight}}
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*/
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getVideoSize (containerWidth, containerHeight) {
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let { width, height } = this.getStreamSize();
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if (this.stream && this.isScreenSharing()) {
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return getDesktopVideoSize( width,
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height,
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containerWidth,
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containerHeight);
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} else {
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return getCameraVideoSize( width,
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height,
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containerWidth,
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containerHeight);
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}
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}
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/**
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* Calculate optimal video position (offset for top left corner)
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* for specified video size and container size.
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* @param {number} width video width
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* @param {number} height video height
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* @param {number} containerWidth container width
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* @param {number} containerHeight container height
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* @returns {{horizontalIndent, verticalIndent}}
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*/
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getVideoPosition (width, height, containerWidth, containerHeight) {
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if (this.stream && this.isScreenSharing()) {
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return getDesktopVideoPosition( width,
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height,
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containerWidth,
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containerHeight);
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} else {
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return getCameraVideoPosition( width,
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height,
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containerWidth,
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containerHeight);
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}
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}
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resize (containerWidth, containerHeight, animate = false) {
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let [width, height]
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= this.getVideoSize(containerWidth, containerHeight);
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let { horizontalIndent, verticalIndent }
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= this.getVideoPosition(width, height,
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containerWidth, containerHeight);
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// update avatar position
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let top = containerHeight / 2 - this.avatarHeight / 4 * 3;
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this.$avatar.css('top', top);
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this.$wrapper.animate({
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width: width,
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height: height,
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top: verticalIndent,
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bottom: verticalIndent,
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left: horizontalIndent,
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right: horizontalIndent
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}, {
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queue: false,
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duration: animate ? 500 : 0
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});
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}
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/**
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* Update video stream.
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* @param {JitsiTrack?} stream new stream
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* @param {string} videoType video type
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*/
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setStream (stream, videoType) {
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// detach old stream
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if (this.stream) {
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this.stream.detach(this.$video[0]);
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}
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this.stream = stream;
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this.videoType = videoType;
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if (!stream) {
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return;
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}
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stream.attach(this.$video[0]);
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let flipX = stream.isLocal() && !this.isScreenSharing();
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this.$video.css({
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transform: flipX ? 'scaleX(-1)' : 'none'
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});
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}
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/**
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* Check if current video stream is screen sharing.
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* @returns {boolean}
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*/
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isScreenSharing () {
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return this.videoType === 'desktop';
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}
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/**
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* Show or hide user avatar.
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* @param {boolean} show
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*/
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showAvatar (show) {
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this.$avatar.css("visibility", show ? "visible" : "hidden");
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}
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// We are doing fadeOut/fadeIn animations on parent div which wraps
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// largeVideo, because when Temasys plugin is in use it replaces
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// <video> elements with plugin <object> tag. In Safari jQuery is
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// unable to store values on this plugin object which breaks all
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// animation effects performed on it directly.
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show () {
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// its already visible
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if (this.isVisible) {
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return Promise.resolve();
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}
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let $wrapper = this.$wrapper;
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return new Promise((resolve) => {
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this.$wrapper.css('visibility', 'visible').fadeTo(
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FADE_DURATION_MS,
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1,
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() => {
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this.isVisible = true;
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resolve();
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}
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);
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});
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}
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hide () {
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// as the container is hidden/replaced by another container
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// hide its avatar
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this.showAvatar(false);
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// its already hidden
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if (!this.isVisible) {
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return Promise.resolve();
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}
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return new Promise((resolve) => {
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this.$wrapper.fadeTo(FADE_DURATION_MS, 0, () => {
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this.$wrapper.css('visibility', 'hidden');
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this.isVisible = false;
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resolve();
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});
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});
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}
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/**
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* @return {boolean} switch on dominant speaker event if on stage.
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*/
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stayOnStage () {
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return false;
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}
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}
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/**
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* Manager for all Large containers.
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*/
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export default class LargeVideoManager {
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constructor () {
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this.containers = {};
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this.state = VIDEO_CONTAINER_TYPE;
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this.videoContainer = new VideoContainer(
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() => this.resizeContainer(VIDEO_CONTAINER_TYPE));
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this.addContainer(VIDEO_CONTAINER_TYPE, this.videoContainer);
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// use the same video container to handle and desktop tracks
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this.addContainer("desktop", this.videoContainer);
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this.width = 0;
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this.height = 0;
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this.$container = $('#largeVideoContainer');
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this.$container.css({
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display: 'inline-block'
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});
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if (interfaceConfig.SHOW_JITSI_WATERMARK) {
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let leftWatermarkDiv
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= this.$container.find("div.watermark.leftwatermark");
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leftWatermarkDiv.css({display: 'block'});
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leftWatermarkDiv.parent().attr(
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'href', interfaceConfig.JITSI_WATERMARK_LINK);
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}
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if (interfaceConfig.SHOW_BRAND_WATERMARK) {
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let rightWatermarkDiv
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= this.$container.find("div.watermark.rightwatermark");
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rightWatermarkDiv.css({
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display: 'block',
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backgroundImage: 'url(images/rightwatermark.png)'
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});
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rightWatermarkDiv.parent().attr(
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'href', interfaceConfig.BRAND_WATERMARK_LINK);
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}
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if (interfaceConfig.SHOW_POWERED_BY) {
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this.$container.children("a.poweredby").css({display: 'block'});
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}
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this.$container.hover(
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e => this.onHoverIn(e),
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e => this.onHoverOut(e)
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);
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}
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onHoverIn (e) {
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if (!this.state) {
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return;
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}
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let container = this.getContainer(this.state);
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container.onHoverIn(e);
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}
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onHoverOut (e) {
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if (!this.state) {
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return;
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}
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let container = this.getContainer(this.state);
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container.onHoverOut(e);
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}
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get id () {
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let container = this.getContainer(this.state);
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return container.id;
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}
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scheduleLargeVideoUpdate () {
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if (this.updateInProcess || !this.newStreamData) {
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return;
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}
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this.updateInProcess = true;
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let container = this.getContainer(this.state);
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container.hide().then(() => {
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let {id, stream, videoType, resolve} = this.newStreamData;
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this.newStreamData = null;
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console.info("hover in %s", id);
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this.state = videoType;
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let container = this.getContainer(this.state);
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container.setStream(stream, videoType);
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// change the avatar url on large
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this.updateAvatar(Avatar.getAvatarUrl(id));
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// If we the continer is VIDEO_CONTAINER_TYPE, we need to check
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// its stream whether exist and is muted to set isVideoMuted
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// in rest of the cases it is false
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let isVideoMuted = false;
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if (videoType == VIDEO_CONTAINER_TYPE)
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isVideoMuted = stream ? stream.isMuted() : true;
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// show the avatar on large if needed
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container.showAvatar(isVideoMuted);
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let promise;
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// do not show stream if video is muted
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// but we still should show watermark
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if (isVideoMuted) {
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this.showWatermark(true);
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promise = Promise.resolve();
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} else {
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promise = container.show();
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}
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// resolve updateLargeVideo promise after everything is done
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promise.then(resolve);
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return promise;
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}).then(() => {
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// after everything is done check again if there are any pending
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// new streams.
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this.updateInProcess = false;
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this.scheduleLargeVideoUpdate();
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});
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}
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/**
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* Update large video.
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* Switches to large video even if previously other container was visible.
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* @param userID the userID of the participant associated with the stream
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* @param {JitsiTrack?} stream new stream
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* @param {string?} videoType new video type
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* @returns {Promise}
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*/
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updateLargeVideo (userID, stream, videoType) {
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if (this.newStreamData) {
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this.newStreamData.reject();
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}
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this.newStreamData = createDeferred();
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this.newStreamData.id = userID;
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this.newStreamData.stream = stream;
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this.newStreamData.videoType = videoType;
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this.scheduleLargeVideoUpdate();
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return this.newStreamData.promise;
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}
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/**
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* Update container size optionally taking side bar size into account.
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* @param {boolean} isSideBarVisible if side bar is visible.
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*/
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updateContainerSize (isSideBarVisible) {
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this.width = UIUtil.getAvailableVideoWidth(isSideBarVisible);
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this.height = window.innerHeight;
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}
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/**
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* Resize Large container of specified type.
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* @param {string} type type of container which should be resized.
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* @param {boolean} [animate=false] if resize process should be animated.
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*/
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resizeContainer (type, animate = false) {
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let container = this.getContainer(type);
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container.resize(this.width, this.height, animate);
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}
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/**
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* Resize all Large containers.
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* @param {boolean} animate if resize process should be animated.
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*/
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resize (animate) {
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// resize all containers
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Object.keys(this.containers)
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.forEach(type => this.resizeContainer(type, animate));
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this.$container.animate({
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width: this.width,
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height: this.height
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}, {
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queue: false,
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duration: animate ? 500 : 0
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});
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}
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/**
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* Enables/disables the filter indicating a video problem to the user.
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*
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* @param enable <tt>true</tt> to enable, <tt>false</tt> to disable
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*/
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enableVideoProblemFilter (enable) {
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let container = this.getContainer(this.state);
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container.$video.toggleClass("videoProblemFilter", enable);
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}
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/**
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* Updates the src of the dominant speaker avatar
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*/
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updateAvatar (avatarUrl) {
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$("#dominantSpeakerAvatar").attr('src', avatarUrl);
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}
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/**
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* Show or hide watermark.
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* @param {boolean} show
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*/
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showWatermark (show) {
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$('.watermark').css('visibility', show ? 'visible' : 'hidden');
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}
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/**
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* Add container of specified type.
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* @param {string} type container type
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* @param {LargeContainer} container container to add.
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*/
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addContainer (type, container) {
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if (this.containers[type]) {
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throw new Error(`container of type ${type} already exist`);
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}
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this.containers[type] = container;
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this.resizeContainer(type);
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}
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/**
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* Get Large container of specified type.
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* @param {string} type container type.
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* @returns {LargeContainer}
|
|
*/
|
|
getContainer (type) {
|
|
let container = this.containers[type];
|
|
|
|
if (!container) {
|
|
throw new Error(`container of type ${type} doesn't exist`);
|
|
}
|
|
|
|
return container;
|
|
}
|
|
|
|
/**
|
|
* Remove Large container of specified type.
|
|
* @param {string} type container type.
|
|
*/
|
|
removeContainer (type) {
|
|
if (!this.containers[type]) {
|
|
throw new Error(`container of type ${type} doesn't exist`);
|
|
}
|
|
|
|
delete this.containers[type];
|
|
}
|
|
|
|
/**
|
|
* Show Large container of specified type.
|
|
* Does nothing if such container is already visible.
|
|
* @param {string} type container type.
|
|
* @returns {Promise}
|
|
*/
|
|
showContainer (type) {
|
|
if (this.state === type) {
|
|
return Promise.resolve();
|
|
}
|
|
|
|
let oldContainer = this.containers[this.state];
|
|
if (this.state === VIDEO_CONTAINER_TYPE) {
|
|
this.showWatermark(false);
|
|
}
|
|
oldContainer.hide();
|
|
|
|
this.state = type;
|
|
let container = this.getContainer(type);
|
|
|
|
return container.show().then(() => {
|
|
if (type === VIDEO_CONTAINER_TYPE) {
|
|
this.showWatermark(true);
|
|
}
|
|
});
|
|
}
|
|
}
|