724 lines
22 KiB
JavaScript
724 lines
22 KiB
JavaScript
// @flow
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import React, { useEffect, useRef, useState } from 'react';
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// import { SIMPLE_SITE } from 'config';
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import Button from 'component/button';
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import * as ICONS from 'constants/icons';
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import * as KEYCODES from 'constants/keycodes';
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import classnames from 'classnames';
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import videojs from 'video.js';
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import 'video.js/dist/alt/video-js-cdn.min.css';
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import eventTracking from 'videojs-event-tracking';
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import * as OVERLAY from './overlays';
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import './plugins/videojs-mobile-ui/plugin';
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import hlsQualitySelector from './plugins/videojs-hls-quality-selector/plugin';
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import recsys from './plugins/videojs-recsys/plugin';
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import qualityLevels from 'videojs-contrib-quality-levels';
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import isUserTyping from 'util/detect-typing';
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// @if TARGET='web'
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// Disabled for now.
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// import './plugins/videojs-aniview/plugin';
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// @endif
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const isDev = process.env.NODE_ENV !== 'production';
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export type Player = {
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on: (string, (any) => void) => void,
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one: (string, (any) => void) => void,
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isFullscreen: () => boolean,
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exitFullscreen: () => boolean,
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requestFullscreen: () => boolean,
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play: () => Promise<any>,
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volume: (?number) => number,
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muted: (?boolean) => boolean,
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dispose: () => void,
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currentTime: (?number) => number,
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ended: () => boolean,
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error: () => any,
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loadingSpinner: any,
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getChild: (string) => any,
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playbackRate: (?number) => number,
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readyState: () => number,
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userActive: (?boolean) => boolean,
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overlay: (any) => void,
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mobileUi: (any) => void,
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controlBar: {
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addChild: (string, any) => void,
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},
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autoplay: (any) => boolean,
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};
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type Props = {
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source: string,
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sourceType: string,
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poster: ?string,
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onPlayerReady: (Player, any) => void,
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isAudio: boolean,
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startMuted: boolean,
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autoplay: boolean,
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autoplaySetting: boolean,
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embedded: boolean,
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toggleVideoTheaterMode: () => void,
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adUrl: ?string,
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claimId: ?string,
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userId: ?number,
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// allowPreRoll: ?boolean,
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shareTelemetry: boolean,
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replay: boolean,
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videoTheaterMode: boolean,
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playNext: () => void,
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playPrevious: () => void,
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};
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// type VideoJSOptions = {
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// controls: boolean,
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// preload: string,
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// playbackRates: Array<number>,
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// responsive: boolean,
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// poster?: string,
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// muted?: boolean,
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// };
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const videoPlaybackRates = [0.25, 0.5, 0.75, 1, 1.1, 1.25, 1.5, 1.75, 2];
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const IS_IOS =
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(/iPad|iPhone|iPod/.test(navigator.platform) ||
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(navigator.platform === 'MacIntel' && navigator.maxTouchPoints > 1)) &&
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!window.MSStream;
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const VIDEO_JS_OPTIONS = {
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preload: 'auto',
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playbackRates: videoPlaybackRates,
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responsive: true,
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controls: true,
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html5: {
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vhs: {
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overrideNative: !videojs.browser.IS_ANY_SAFARI,
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},
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},
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};
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const SEEK_STEP_5 = 5;
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const SEEK_STEP = 10; // time to seek in seconds
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if (!Object.keys(videojs.getPlugins()).includes('eventTracking')) {
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videojs.registerPlugin('eventTracking', eventTracking);
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}
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if (!Object.keys(videojs.getPlugins()).includes('hlsQualitySelector')) {
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videojs.registerPlugin('hlsQualitySelector', hlsQualitySelector);
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}
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if (!Object.keys(videojs.getPlugins()).includes('qualityLevels')) {
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videojs.registerPlugin('qualityLevels', qualityLevels);
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}
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if (!Object.keys(videojs.getPlugins()).includes('recsys')) {
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videojs.registerPlugin('recsys', recsys);
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}
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// ****************************************************************************
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// LbryVolumeBarClass
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// ****************************************************************************
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const VIDEOJS_CONTROL_BAR_CLASS = 'ControlBar';
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const VIDEOJS_VOLUME_PANEL_CLASS = 'VolumePanel';
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const VIDEOJS_VOLUME_CONTROL_CLASS = 'VolumeControl';
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const VIDEOJS_VOLUME_BAR_CLASS = 'VolumeBar';
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class LbryVolumeBarClass extends videojs.getComponent(VIDEOJS_VOLUME_BAR_CLASS) {
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constructor(player, options = {}) {
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super(player, options);
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}
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static replaceExisting(player) {
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try {
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const volumeControl = player
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.getChild(VIDEOJS_CONTROL_BAR_CLASS)
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.getChild(VIDEOJS_VOLUME_PANEL_CLASS)
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.getChild(VIDEOJS_VOLUME_CONTROL_CLASS);
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const volumeBar = volumeControl.getChild(VIDEOJS_VOLUME_BAR_CLASS);
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volumeControl.removeChild(volumeBar);
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volumeControl.addChild(new LbryVolumeBarClass(player));
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} catch (error) {
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// In case it slips in 'Production', the original volume bar will be used and the site should still be working
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// (just not exactly the way we want).
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if (isDev) throw Error('\n\nvideojs.jsx: Volume Panel hierarchy changed?\n\n' + error);
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}
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}
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handleMouseDown(event) {
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super.handleMouseDown(event);
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event.stopPropagation();
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}
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handleMouseMove(event) {
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super.handleMouseMove(event);
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event.stopPropagation();
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}
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}
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// ****************************************************************************
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// VideoJs
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// ****************************************************************************
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/*
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properties for this component should be kept to ONLY those that if changed should REQUIRE an entirely new videojs element
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*/
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export default React.memo<Props>(function VideoJs(props: Props) {
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const {
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autoplay,
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autoplaySetting,
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embedded,
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startMuted,
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source,
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sourceType,
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poster,
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isAudio,
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onPlayerReady,
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toggleVideoTheaterMode,
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adUrl,
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claimId,
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userId,
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// allowPreRoll,
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shareTelemetry,
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replay,
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videoTheaterMode,
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playNext,
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playPrevious,
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} = props;
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const [reload, setReload] = useState('initial');
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const playerRef = useRef();
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const containerRef = useRef();
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const videoJsOptions = {
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...VIDEO_JS_OPTIONS,
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autoplay: autoplay,
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muted: startMuted,
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sources: [
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{
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src: source,
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type: sourceType,
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},
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],
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poster: poster, // thumb looks bad in app, and if autoplay, flashing poster is annoying
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plugins: {
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eventTracking: true,
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overlay: OVERLAY.OVERLAY_DATA,
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},
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// fixes problem of errant CC button showing up on iOS
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// the true fix here is to fix the m3u8 file, see: https://github.com/lbryio/lbry-desktop/pull/6315
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controlBar: {
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subsCapsButton: false,
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},
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};
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const tapToUnmuteRef = useRef();
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const tapToRetryRef = useRef();
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const TAP = {
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NONE: 'NONE',
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UNMUTE: 'UNMUTE',
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RETRY: 'RETRY',
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};
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function showTapButton(tapButton) {
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const setButtonVisibility = (theRef, newState) => {
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// Use the DOM to control the state of the button to prevent re-renders.
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if (theRef.current) {
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const curState = theRef.current.style.visibility === 'visible';
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if (newState !== curState) {
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theRef.current.style.visibility = newState ? 'visible' : 'hidden';
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}
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}
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};
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switch (tapButton) {
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case TAP.NONE:
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setButtonVisibility(tapToUnmuteRef, false);
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setButtonVisibility(tapToRetryRef, false);
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break;
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case TAP.UNMUTE:
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setButtonVisibility(tapToUnmuteRef, true);
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setButtonVisibility(tapToRetryRef, false);
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break;
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case TAP.RETRY:
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setButtonVisibility(tapToUnmuteRef, false);
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setButtonVisibility(tapToRetryRef, true);
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break;
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default:
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if (isDev) throw new Error('showTapButton: unexpected ref');
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break;
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}
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}
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function unmuteAndHideHint() {
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const player = playerRef.current;
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if (player) {
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player.muted(false);
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if (player.volume() === 0) {
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player.volume(1.0);
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}
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}
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showTapButton(TAP.NONE);
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}
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function retryVideoAfterFailure() {
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const player = playerRef.current;
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if (player) {
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setReload(Date.now());
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showTapButton(TAP.NONE);
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}
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}
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function resolveCtrlText(e) {
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// Override the player's control text. We override to:
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// 1. Add keyboard shortcut to the tool-tip.
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// 2. Override videojs' i18n and use our own (don't want to have 2 systems).
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//
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// Notes:
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// - For dynamic controls (e.g. play/pause), those unfortunately need to be
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// updated again at their event-listener level (that's just the way videojs
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// updates the text), hence the need to listen to 'play', 'pause' and 'volumechange'
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// on top of just 'loadstart'.
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// - videojs changes the MuteToggle text at 'loadstart', so this was chosen
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// as the listener to update static texts.
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const setLabel = (controlBar, childName, label) => {
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const c = controlBar.getChild(childName);
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if (c) {
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c.controlText(label);
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}
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};
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const player = playerRef.current;
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if (player) {
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const ctrlBar = player.getChild('controlBar');
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switch (e.type) {
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case 'play':
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setLabel(ctrlBar, 'PlayToggle', __('Pause (space)'));
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break;
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case 'pause':
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setLabel(ctrlBar, 'PlayToggle', __('Play (space)'));
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break;
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case 'volumechange':
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ctrlBar
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.getChild('VolumePanel')
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.getChild('MuteToggle')
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.controlText(player.muted() || player.volume() === 0 ? __('Unmute (m)') : __('Mute (m)'));
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break;
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case 'fullscreenchange':
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setLabel(
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ctrlBar,
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'FullscreenToggle',
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player.isFullscreen() ? __('Exit Fullscreen (f)') : __('Fullscreen (f)')
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);
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break;
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case 'loadstart':
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// --- Do everything ---
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setLabel(ctrlBar, 'PlaybackRateMenuButton', __('Playback Rate (<, >)'));
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setLabel(ctrlBar, 'QualityButton', __('Quality'));
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setLabel(ctrlBar, 'PlayNextButton', __('Play Next (SHIFT+N)'));
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setLabel(ctrlBar, 'PlayPreviousButton', __('Play Previous (SHIFT+P)'));
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setLabel(ctrlBar, 'TheaterModeButton', videoTheaterMode ? __('Default Mode (t)') : __('Theater Mode (t)'));
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setLabel(ctrlBar, 'AutoplayNextButton', autoplaySetting ? __('Autoplay Next On') : __('Autoplay Next Off'));
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resolveCtrlText({ type: 'play' });
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resolveCtrlText({ type: 'pause' });
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resolveCtrlText({ type: 'volumechange' });
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resolveCtrlText({ type: 'fullscreenchange' });
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break;
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default:
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if (isDev) throw Error('Unexpected: ' + e.type);
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break;
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}
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}
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}
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function onInitialPlay() {
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const player = playerRef.current;
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if (player && (player.muted() || player.volume() === 0)) {
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// The css starts as "hidden". We make it visible here without
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// re-rendering the whole thing.
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showTapButton(TAP.UNMUTE);
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} else {
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showTapButton(TAP.NONE);
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}
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}
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function onVolumeChange() {
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const player = playerRef.current;
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if (player && !player.muted()) {
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showTapButton(TAP.NONE);
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}
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}
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function onError() {
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const player = playerRef.current;
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showTapButton(TAP.RETRY);
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// reattach initial play listener in case we recover from error successfully
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// $FlowFixMe
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player.one('play', onInitialPlay);
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if (player && player.loadingSpinner) {
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player.loadingSpinner.hide();
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}
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}
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const onEnded = React.useCallback(() => {
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if (!adUrl) {
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showTapButton(TAP.NONE);
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}
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}, [adUrl]);
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function handleKeyDown(e: KeyboardEvent) {
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const player = playerRef.current;
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const videoNode = containerRef.current && containerRef.current.querySelector('video, audio');
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if (!videoNode || !player || isUserTyping()) return;
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handleSingleKeyActions(e);
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handleShiftKeyActions(e);
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}
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function handleShiftKeyActions(e: KeyboardEvent) {
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if (e.altKey || e.ctrlKey || e.metaKey || !e.shiftKey) return;
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if (e.keyCode === KEYCODES.PERIOD) changePlaybackSpeed(true);
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if (e.keyCode === KEYCODES.COMMA) changePlaybackSpeed(false);
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if (e.keyCode === KEYCODES.N) playNext();
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if (e.keyCode === KEYCODES.P) playPrevious();
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}
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function handleSingleKeyActions(e: KeyboardEvent) {
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if (e.altKey || e.ctrlKey || e.metaKey || e.shiftKey) return;
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if (e.keyCode === KEYCODES.SPACEBAR || e.keyCode === KEYCODES.K) togglePlay();
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if (e.keyCode === KEYCODES.F) toggleFullscreen();
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if (e.keyCode === KEYCODES.M) toggleMute();
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if (e.keyCode === KEYCODES.UP) volumeUp();
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if (e.keyCode === KEYCODES.DOWN) volumeDown();
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if (e.keyCode === KEYCODES.T) toggleTheaterMode();
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if (e.keyCode === KEYCODES.L) seekVideo(SEEK_STEP);
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if (e.keyCode === KEYCODES.J) seekVideo(-SEEK_STEP);
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if (e.keyCode === KEYCODES.RIGHT) seekVideo(SEEK_STEP_5);
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if (e.keyCode === KEYCODES.LEFT) seekVideo(-SEEK_STEP_5);
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}
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function seekVideo(stepSize: number) {
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const player = playerRef.current;
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const videoNode = containerRef.current && containerRef.current.querySelector('video, audio');
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if (!videoNode || !player) return;
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const duration = videoNode.duration;
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const currentTime = videoNode.currentTime;
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const newDuration = currentTime + stepSize;
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if (newDuration < 0) {
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videoNode.currentTime = 0;
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} else if (newDuration > duration) {
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videoNode.currentTime = duration;
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} else {
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videoNode.currentTime = newDuration;
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}
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OVERLAY.showSeekedOverlay(player, Math.abs(stepSize), stepSize > 0);
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player.userActive(true);
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}
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function changePlaybackSpeed(shouldSpeedUp: boolean) {
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const player = playerRef.current;
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if (!player) return;
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const isSpeedUp = shouldSpeedUp;
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const rate = player.playbackRate();
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let rateIndex = videoPlaybackRates.findIndex((x) => x === rate);
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if (rateIndex >= 0) {
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rateIndex = isSpeedUp ? Math.min(rateIndex + 1, videoPlaybackRates.length - 1) : Math.max(rateIndex - 1, 0);
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const nextRate = videoPlaybackRates[rateIndex];
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OVERLAY.showPlaybackRateOverlay(player, nextRate, isSpeedUp);
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player.userActive(true);
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player.playbackRate(nextRate);
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}
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}
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function toggleFullscreen() {
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const player = playerRef.current;
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if (!player) return;
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if (!player.isFullscreen()) {
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player.requestFullscreen();
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} else {
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player.exitFullscreen();
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}
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}
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function toggleTheaterMode() {
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const player = playerRef.current;
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if (!player) return;
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toggleVideoTheaterMode();
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if (player.isFullscreen()) {
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player.exitFullscreen();
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}
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}
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function toggleMute() {
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const videoNode = containerRef.current && containerRef.current.querySelector('video, audio');
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if (!videoNode) return;
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videoNode.muted = !videoNode.muted;
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}
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function togglePlay() {
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const videoNode = containerRef.current && containerRef.current.querySelector('video, audio');
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if (!videoNode) return;
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videoNode.paused ? videoNode.play() : videoNode.pause();
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}
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function volumeUp() {
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const player = playerRef.current;
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if (!player) return;
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player.volume(player.volume() + 0.05);
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OVERLAY.showVolumeverlay(player, Math.round(player.volume() * 100));
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player.userActive(true);
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}
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function volumeDown() {
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const player = playerRef.current;
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if (!player) return;
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player.volume(player.volume() - 0.05);
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OVERLAY.showVolumeverlay(player, Math.round(player.volume() * 100));
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player.userActive(true);
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}
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// Create the video DOM element and wrapper
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function createVideoPlayerDOM(container) {
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if (!container) return;
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// This seems like a poor way to generate the DOM for video.js
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const wrapper = document.createElement('div');
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wrapper.setAttribute('data-vjs-player', 'true');
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const el = document.createElement(isAudio ? 'audio' : 'video');
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el.className = 'video-js vjs-big-play-centered ';
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wrapper.appendChild(el);
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container.appendChild(wrapper);
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return el;
|
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}
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|
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function detectFileType() {
|
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return new Promise(async (res, rej) => {
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try {
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const response = await fetch(source, { method: 'HEAD', cache: 'no-store' });
|
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|
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// Temp variables to hold results
|
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let finalType = sourceType;
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let finalSource = source;
|
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|
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// override type if we receive an .m3u8 (transcoded mp4)
|
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// do we need to check if explicitly redirected
|
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// or is checking extension only a safer method
|
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if (response && response.redirected && response.url && response.url.endsWith('m3u8')) {
|
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finalType = 'application/x-mpegURL';
|
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finalSource = response.url;
|
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}
|
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|
|
// Modify video source in options
|
|
videoJsOptions.sources = [
|
|
{
|
|
src: finalSource,
|
|
type: finalType,
|
|
},
|
|
];
|
|
|
|
return res(videoJsOptions);
|
|
} catch (error) {
|
|
return rej(error);
|
|
}
|
|
});
|
|
}
|
|
|
|
// Initialize video.js
|
|
function initializeVideoPlayer(el) {
|
|
if (!el) return;
|
|
|
|
const vjs = videojs(el, videoJsOptions, () => {
|
|
const player = playerRef.current;
|
|
|
|
// this seems like a weird thing to have to check for here
|
|
if (!player) return;
|
|
|
|
// Add various event listeners to player
|
|
player.one('play', onInitialPlay);
|
|
player.on('play', resolveCtrlText);
|
|
player.on('pause', resolveCtrlText);
|
|
player.on('loadstart', resolveCtrlText);
|
|
player.on('fullscreenchange', resolveCtrlText);
|
|
player.on('volumechange', resolveCtrlText);
|
|
player.on('volumechange', onVolumeChange);
|
|
player.on('error', onError);
|
|
player.on('ended', onEnded);
|
|
|
|
// Replace volume bar with custom LBRY volume bar
|
|
LbryVolumeBarClass.replaceExisting(player);
|
|
|
|
// Add reloadSourceOnError plugin
|
|
player.reloadSourceOnError({ errorInterval: 10 });
|
|
|
|
// initialize mobile UI
|
|
player.mobileUi(); // Inits mobile version. No-op if Desktop.
|
|
|
|
// Add quality selector to player
|
|
player.hlsQualitySelector({
|
|
displayCurrentQuality: true,
|
|
});
|
|
|
|
// Add recsys plugin
|
|
if (shareTelemetry) {
|
|
player.recsys({
|
|
videoId: claimId,
|
|
userId: userId,
|
|
embedded: embedded,
|
|
});
|
|
}
|
|
|
|
// set playsinline for mobile
|
|
// TODO: make this better
|
|
player.children_[0].setAttribute('playsinline', '');
|
|
|
|
// I think this is a callback function
|
|
const videoNode = containerRef.current && containerRef.current.querySelector('video, audio');
|
|
onPlayerReady(player, videoNode);
|
|
});
|
|
|
|
// pre-roll ads
|
|
// This must be initialized earlier than everything else
|
|
// otherwise a race condition occurs if we place this in the onReady call back
|
|
// allow if isDev because otherwise you'll never see ads when basing to master
|
|
// @if TARGET='web'
|
|
// DISABLED FOR NOW
|
|
// if ((allowPreRoll && SIMPLE_SITE) || isDev) {
|
|
// vjs.aniview();
|
|
// }
|
|
// @endif
|
|
|
|
// fixes #3498 (https://github.com/lbryio/lbry-desktop/issues/3498)
|
|
// summary: on firefox the focus would stick to the fullscreen button which caused buggy behavior with spacebar
|
|
vjs.on('fullscreenchange', () => document.activeElement && document.activeElement.blur());
|
|
|
|
return vjs;
|
|
}
|
|
|
|
useEffect(() => {
|
|
const player = playerRef.current;
|
|
if (replay && player) {
|
|
player.play();
|
|
}
|
|
}, [replay]);
|
|
|
|
useEffect(() => {
|
|
const player = playerRef.current;
|
|
if (player) {
|
|
const controlBar = player.getChild('controlBar');
|
|
controlBar
|
|
.getChild('TheaterModeButton')
|
|
.controlText(videoTheaterMode ? __('Default Mode (t)') : __('Theater Mode (t)'));
|
|
}
|
|
}, [videoTheaterMode]);
|
|
|
|
useEffect(() => {
|
|
const player = playerRef.current;
|
|
if (player) {
|
|
const touchOverlay = player.getChild('TouchOverlay');
|
|
const controlBar = player.getChild('controlBar') || touchOverlay.getChild('controlBar');
|
|
const autoplayButton = controlBar.getChild('AutoplayNextButton');
|
|
|
|
if (autoplayButton) {
|
|
const title = autoplaySetting ? __('Autoplay Next On') : __('Autoplay Next Off');
|
|
|
|
autoplayButton.controlText(title);
|
|
autoplayButton.setAttribute('aria-label', title);
|
|
autoplayButton.setAttribute('aria-checked', autoplaySetting);
|
|
}
|
|
}
|
|
}, [autoplaySetting]);
|
|
|
|
// This lifecycle hook is only called once (on mount), or when `isAudio` or `source` changes.
|
|
useEffect(() => {
|
|
const vjsElement = createVideoPlayerDOM(containerRef.current);
|
|
|
|
// Detect source file type via pre-fetch (async)
|
|
detectFileType().then(() => {
|
|
// Initialize Video.js
|
|
const vjsPlayer = initializeVideoPlayer(vjsElement);
|
|
|
|
// Add reference to player to global scope
|
|
window.player = vjsPlayer;
|
|
|
|
// Set reference in component state
|
|
playerRef.current = vjsPlayer;
|
|
|
|
// Add event listener for keyboard shortcuts
|
|
window.addEventListener('keydown', handleKeyDown);
|
|
});
|
|
|
|
// Cleanup
|
|
return () => {
|
|
window.removeEventListener('keydown', handleKeyDown);
|
|
|
|
const player = playerRef.current;
|
|
if (player) {
|
|
player.dispose();
|
|
window.player = undefined;
|
|
}
|
|
};
|
|
}, [isAudio, source]);
|
|
|
|
// Update video player and reload when source URL changes
|
|
useEffect(() => {
|
|
// For some reason the video player is responsible for detecting content type this way
|
|
fetch(source, { method: 'HEAD', cache: 'no-store' }).then((response) => {
|
|
let finalType = sourceType;
|
|
let finalSource = source;
|
|
|
|
// override type if we receive an .m3u8 (transcoded mp4)
|
|
// do we need to check if explicitly redirected
|
|
// or is checking extension only a safer method
|
|
if (response && response.redirected && response.url && response.url.endsWith('m3u8')) {
|
|
finalType = 'application/x-mpegURL';
|
|
finalSource = response.url;
|
|
}
|
|
|
|
// Modify video source in options
|
|
videoJsOptions.sources = [
|
|
{
|
|
src: finalSource,
|
|
type: finalType,
|
|
},
|
|
];
|
|
|
|
// Update player source
|
|
const player = playerRef.current;
|
|
if (!player) return;
|
|
|
|
// PR #5570: Temp workaround to avoid double Play button until the next re-architecture.
|
|
if (!player.paused()) {
|
|
player.bigPlayButton.hide();
|
|
}
|
|
});
|
|
}, [source, reload]);
|
|
|
|
return (
|
|
// $FlowFixMe
|
|
<div className={classnames('video-js-parent', { 'video-js-parent--ios': IS_IOS })} ref={containerRef}>
|
|
<Button
|
|
label={__('Tap to unmute')}
|
|
button="link"
|
|
icon={ICONS.VOLUME_MUTED}
|
|
className="video-js--tap-to-unmute"
|
|
onClick={unmuteAndHideHint}
|
|
ref={tapToUnmuteRef}
|
|
/>
|
|
<Button
|
|
label={__('Retry')}
|
|
button="link"
|
|
icon={ICONS.REFRESH}
|
|
className="video-js--tap-to-unmute"
|
|
onClick={retryVideoAfterFailure}
|
|
ref={tapToRetryRef}
|
|
/>
|
|
</div>
|
|
);
|
|
});
|