bring in player refactor with seek ahead/back

static/app-strings.json

@@ -2275,5 +2275,6 @@
   "Use https": "Use https",
   "Custom Servers": "Custom Servers",
   "Add A Server": "Add A Server",
+  "Autoplay Next is off.": "Autoplay Next is off.",
   "--end--": "--end--"
 }

ui/analytics.js

@@ -24,6 +24,8 @@ if (isProduction) {
 }
 
 type Analytics = {
+  appStartTime: number, // needed?
+  eventStartTime: any, // needed?
   error: (string) => Promise<any>,
   sentryError: ({} | string, {}) => Promise<any>,
   pageView: (string, ?string) => void,
@@ -49,9 +51,6 @@ type Analytics = {
       readyState: number,
     }
   ) => Promise<any>,
-  adsFetchedEvent: () => void,
-  adsReceivedEvent: (any) => void,
-  adsErrorEvent: (any) => void,
   emailProvidedEvent: () => void,
   emailVerifiedEvent: () => void,
   rewardEligibleEvent: () => void,
@@ -168,13 +167,13 @@ async function sendWatchmanData(body) {
     });
 
     return response;
-  } catch (err) {
-    console.log('ERROR FROM WATCHMAN BACKEND');
-    console.log(err);
-  }
+  } catch (err) {}
 }
 
 const analytics: Analytics = {
+  appStartTime: 0, // ?
+  eventStartTime: {}, // ?
+
   // receive buffer events from tracking plugin and save buffer amounts and times for backend call
   videoBufferEvent: async (claim, data) => {
     amountOfBufferEvents = amountOfBufferEvents + 1;
@@ -213,7 +212,7 @@ const analytics: Analytics = {
       startWatchmanIntervalIfNotRunning();
     }
   },
-  videoStartEvent: (claimId, duration, poweredBy, passedUserId, canonicalUrl, passedPlayer, videoBitrate) => {
+  videoStartEvent: (claimId, timeToStartVideo, poweredBy, passedUserId, canonicalUrl, passedPlayer, videoBitrate) => {
     // populate values for watchman when video starts
     userId = passedUserId;
     claimUrl = canonicalUrl;
@@ -224,7 +223,7 @@ const analytics: Analytics = {
     bitrateAsBitsPerSecond = videoBitrate;
 
     // sendPromMetric('time_to_start', duration);
-    sendMatomoEvent('Media', 'TimeToStart', claimId, duration);
+    sendMatomoEvent('Media', 'TimeToStart', claimId, timeToStartVideo);
   },
   error: (message) => {
     return new Promise((resolve) => {

ui/component/viewers/videoViewer/internal/lbry-volume-bar.js

@@ -0,0 +1,46 @@
+// ****************************************************************************
+// LbryVolumeBarClass
+// ****************************************************************************
+
+import videojs from 'video.js';
+
+const isDev = process.env.NODE_ENV !== 'production';
+
+const VIDEOJS_CONTROL_BAR_CLASS = 'ControlBar';
+const VIDEOJS_VOLUME_PANEL_CLASS = 'VolumePanel';
+const VIDEOJS_VOLUME_CONTROL_CLASS = 'VolumeControl';
+const VIDEOJS_VOLUME_BAR_CLASS = 'VolumeBar';
+
+class LbryVolumeBarClass extends videojs.getComponent(VIDEOJS_VOLUME_BAR_CLASS) {
+  constructor(player, options = {}) {
+    super(player, options);
+  }
+
+  static replaceExisting(player) {
+    try {
+      const volumeControl = player
+        .getChild(VIDEOJS_CONTROL_BAR_CLASS)
+        .getChild(VIDEOJS_VOLUME_PANEL_CLASS)
+        .getChild(VIDEOJS_VOLUME_CONTROL_CLASS);
+      const volumeBar = volumeControl.getChild(VIDEOJS_VOLUME_BAR_CLASS);
+      volumeControl.removeChild(volumeBar);
+      volumeControl.addChild(new LbryVolumeBarClass(player));
+    } catch (error) {
+      // In case it slips in 'Production', the original volume bar will be used and the site should still be working
+      // (just not exactly the way we want).
+      if (isDev) throw Error('\n\nvideojs.jsx: Volume Panel hierarchy changed?\n\n' + error);
+    }
+  }
+
+  handleMouseDown(event) {
+    super.handleMouseDown(event);
+    event.stopPropagation();
+  }
+
+  handleMouseMove(event) {
+    super.handleMouseMove(event);
+    event.stopPropagation();
+  }
+}
+
+export default LbryVolumeBarClass;

ui/component/viewers/videoViewer/internal/videojs-events.jsx

@@ -0,0 +1,236 @@
+// @flow
+import { useEffect } from 'react';
+
+const isDev = process.env.NODE_ENV !== 'production';
+
+const TAP = {
+  NONE: 'NONE',
+  UNMUTE: 'UNMUTE',
+  RETRY: 'RETRY',
+};
+
+const setLabel = (controlBar, childName, label) => {
+  const c = controlBar.getChild(childName);
+  if (c) {
+    c.controlText(label);
+  }
+};
+
+// $FlowFixMe
+const VideoJsEvents = ({
+  tapToUnmuteRef,
+  tapToRetryRef,
+  setReload,
+  videoTheaterMode,
+  playerRef,
+  autoplaySetting,
+  replay,
+}: {
+  tapToUnmuteRef: any, // DOM element
+  tapToRetryRef: any, // DOM element
+  setReload: any, // react hook
+  videoTheaterMode: any, // dispatch function
+  playerRef: any, // DOM element
+  autoplaySetting: boolean,
+  replay: boolean,
+}) => {
+  // Override the player's control text. We override to:
+  // 1. Add keyboard shortcut to the tool-tip.
+  // 2. Override videojs' i18n and use our own (don't want to have 2 systems).
+  //
+  // Notes:
+  // - For dynamic controls (e.g. play/pause), those unfortunately need to be
+  // updated again at their event-listener level (that's just the way videojs
+  // updates the text), hence the need to listen to 'play', 'pause' and 'volumechange'
+  // on top of just 'loadstart'.
+  // - videojs changes the MuteToggle text at 'loadstart', so this was chosen
+  // as the listener to update static texts.
+
+  function resolveCtrlText(e) {
+    const player = playerRef.current;
+    if (player) {
+      const ctrlBar = player.getChild('controlBar');
+      switch (e.type) {
+        case 'play':
+          setLabel(ctrlBar, 'PlayToggle', __('Pause (space)'));
+          break;
+        case 'pause':
+          setLabel(ctrlBar, 'PlayToggle', __('Play (space)'));
+          break;
+        case 'volumechange':
+          ctrlBar
+            .getChild('VolumePanel')
+            .getChild('MuteToggle')
+            .controlText(player.muted() || player.volume() === 0 ? __('Unmute (m)') : __('Mute (m)'));
+          break;
+        case 'fullscreenchange':
+          setLabel(
+            ctrlBar,
+            'FullscreenToggle',
+            player.isFullscreen() ? __('Exit Fullscreen (f)') : __('Fullscreen (f)')
+          );
+          break;
+        case 'loadstart':
+          // --- Do everything ---
+          setLabel(ctrlBar, 'PlaybackRateMenuButton', __('Playback Rate (<, >)'));
+          setLabel(ctrlBar, 'QualityButton', __('Quality'));
+          setLabel(ctrlBar, 'PlayNextButton', __('Play Next (SHIFT+N)'));
+          setLabel(ctrlBar, 'PlayPreviousButton', __('Play Previous (SHIFT+P)'));
+          setLabel(ctrlBar, 'TheaterModeButton', videoTheaterMode ? __('Default Mode (t)') : __('Theater Mode (t)'));
+          setLabel(ctrlBar, 'AutoplayNextButton', autoplaySetting ? __('Autoplay Next On') : __('Autoplay Next Off'));
+
+          resolveCtrlText({ type: 'play' });
+          resolveCtrlText({ type: 'pause' });
+          resolveCtrlText({ type: 'volumechange' });
+          resolveCtrlText({ type: 'fullscreenchange' });
+          break;
+        default:
+          if (isDev) throw Error('Unexpected: ' + e.type);
+          break;
+      }
+    }
+  }
+
+  function onInitialPlay() {
+    const player = playerRef.current;
+    if (player && (player.muted() || player.volume() === 0)) {
+      // The css starts as "hidden". We make it visible here without
+      // re-rendering the whole thing.
+      showTapButton(TAP.UNMUTE);
+    } else {
+      showTapButton(TAP.NONE);
+    }
+  }
+
+  function onVolumeChange() {
+    const player = playerRef.current;
+    if (player && !player.muted()) {
+      showTapButton(TAP.NONE);
+    }
+  }
+
+  function onError() {
+    const player = playerRef.current;
+    showTapButton(TAP.RETRY);
+
+    // reattach initial play listener in case we recover from error successfully
+    // $FlowFixMe
+    player.one('play', onInitialPlay);
+
+    if (player && player.loadingSpinner) {
+      player.loadingSpinner.hide();
+    }
+  }
+
+  // const onEnded = React.useCallback(() => {
+  //   if (!adUrl) {
+  //     showTapButton(TAP.NONE);
+  //   }
+  // }, [adUrl]);
+
+  useEffect(() => {
+    const player = playerRef.current;
+    if (player) {
+      const controlBar = player.getChild('controlBar');
+      controlBar
+        .getChild('TheaterModeButton')
+        .controlText(videoTheaterMode ? __('Default Mode (t)') : __('Theater Mode (t)'));
+    }
+  }, [videoTheaterMode]);
+
+  // when user clicks 'Unmute' button, turn audio on and hide unmute button
+  function unmuteAndHideHint() {
+    const player = playerRef.current;
+    if (player) {
+      player.muted(false);
+      if (player.volume() === 0) {
+        player.volume(1.0);
+      }
+    }
+    showTapButton(TAP.NONE);
+  }
+
+  function retryVideoAfterFailure() {
+    const player = playerRef.current;
+    if (player) {
+      setReload(Date.now());
+      showTapButton(TAP.NONE);
+    }
+  }
+
+  function showTapButton(tapButton) {
+    const setButtonVisibility = (theRef, newState) => {
+      // Use the DOM to control the state of the button to prevent re-renders.
+      if (theRef.current) {
+        const curState = theRef.current.style.visibility === 'visible';
+        if (newState !== curState) {
+          theRef.current.style.visibility = newState ? 'visible' : 'hidden';
+        }
+      }
+    };
+
+    switch (tapButton) {
+      case TAP.NONE:
+        setButtonVisibility(tapToUnmuteRef, false);
+        setButtonVisibility(tapToRetryRef, false);
+        break;
+      case TAP.UNMUTE:
+        setButtonVisibility(tapToUnmuteRef, true);
+        setButtonVisibility(tapToRetryRef, false);
+        break;
+      case TAP.RETRY:
+        setButtonVisibility(tapToUnmuteRef, false);
+        setButtonVisibility(tapToRetryRef, true);
+        break;
+      default:
+        if (isDev) throw new Error('showTapButton: unexpected ref');
+        break;
+    }
+  }
+
+  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]);
+
+  useEffect(() => {
+    const player = playerRef.current;
+    if (replay && player) {
+      player.play();
+    }
+  }, [replay]);
+
+  function initializeEvents() {
+    const player = playerRef.current;
+    // 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);
+  }
+
+  return {
+    retryVideoAfterFailure,
+    unmuteAndHideHint,
+    initializeEvents,
+  };
+};
+
+export default VideoJsEvents;

ui/component/viewers/videoViewer/internal/videojs-functions.jsx

@@ -0,0 +1,69 @@
+// @flow
+const VideoJsFunctions = ({
+  source,
+  sourceType,
+  videoJsOptions,
+  isAudio,
+}: {
+  source: string,
+  sourceType: string,
+  videoJsOptions: Object,
+  isAudio: boolean,
+}) => {
+  function detectFileType() {
+    // $FlowFixMe
+    return new Promise(async (res, rej) => {
+      try {
+        const response = await fetch(source, { method: 'HEAD', cache: 'no-store' });
+
+        // Temp variables to hold results
+        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,
+          },
+        ];
+
+        return res(videoJsOptions);
+      } catch (error) {
+        return rej(error);
+      }
+    });
+  }
+
+  // TODO: can remove this function as well
+  // Create the video DOM element and wrapper
+  function createVideoPlayerDOM(container: any) {
+    if (!container) return;
+
+    // This seems like a poor way to generate the DOM for video.js
+    const wrapper = document.createElement('div');
+    wrapper.setAttribute('data-vjs-player', 'true');
+    const el = document.createElement(isAudio ? 'audio' : 'video');
+    el.className = 'video-js vjs-big-play-centered ';
+    wrapper.appendChild(el);
+
+    container.appendChild(wrapper);
+
+    return el;
+  }
+
+  return {
+    detectFileType,
+    createVideoPlayerDOM,
+  };
+};
+
+export default VideoJsFunctions;

ui/component/viewers/videoViewer/internal/videojs-keyboard-shortcuts.jsx

@@ -0,0 +1,157 @@
+// @flow
+import * as OVERLAY from './overlays';
+import * as KEYCODES from 'constants/keycodes';
+import isUserTyping from 'util/detect-typing';
+
+const SEEK_STEP_5 = 5;
+const SEEK_STEP = 10; // time to seek in seconds
+
+const videoPlaybackRates = [0.25, 0.5, 0.75, 1, 1.1, 1.25, 1.5, 1.75, 2];
+
+// check if active (clicked) element is part of video div, used for keyboard shortcuts (volume etc)
+function activeElementIsPartOfVideoElement() {
+  const videoElementParent = document.getElementsByClassName('video-js-parent')[0];
+  const activeElement = document.activeElement;
+  return videoElementParent.contains(activeElement);
+}
+
+function volumeUp(event, playerRef) {
+  // dont run if video element is not active element (otherwise runs when scrolling using keypad)
+  const videoElementIsActive = activeElementIsPartOfVideoElement();
+  const player = playerRef.current;
+  if (!player || !videoElementIsActive) return;
+  event.preventDefault();
+  player.volume(player.volume() + 0.05);
+  OVERLAY.showVolumeverlay(player, Math.round(player.volume() * 100));
+  player.userActive(true);
+}
+
+function volumeDown(event, playerRef) {
+  // dont run if video element is not active element (otherwise runs when scrolling using keypad)
+  const videoElementIsActive = activeElementIsPartOfVideoElement();
+  const player = playerRef.current;
+  if (!player || !videoElementIsActive) return;
+  event.preventDefault();
+  player.volume(player.volume() - 0.05);
+  OVERLAY.showVolumeverlay(player, Math.round(player.volume() * 100));
+  player.userActive(true);
+}
+
+function seekVideo(stepSize: number, playerRef, containerRef) {
+  const player = playerRef.current;
+  const videoNode = containerRef.current && containerRef.current.querySelector('video, audio');
+  if (!videoNode || !player) return;
+  const duration = videoNode.duration;
+  const currentTime = videoNode.currentTime;
+  const newDuration = currentTime + stepSize;
+  if (newDuration < 0) {
+    videoNode.currentTime = 0;
+  } else if (newDuration > duration) {
+    videoNode.currentTime = duration;
+  } else {
+    videoNode.currentTime = newDuration;
+  }
+  OVERLAY.showSeekedOverlay(player, Math.abs(stepSize), stepSize > 0);
+  player.userActive(true);
+}
+
+function toggleFullscreen(playerRef) {
+  const player = playerRef.current;
+  if (!player) return;
+  if (!player.isFullscreen()) {
+    player.requestFullscreen();
+  } else {
+    player.exitFullscreen();
+  }
+}
+
+function toggleMute(containerRef) {
+  const videoNode = containerRef.current && containerRef.current.querySelector('video, audio');
+  if (!videoNode) return;
+  videoNode.muted = !videoNode.muted;
+}
+
+function togglePlay(containerRef) {
+  const videoNode = containerRef.current && containerRef.current.querySelector('video, audio');
+  if (!videoNode) return;
+  videoNode.paused ? videoNode.play() : videoNode.pause();
+}
+
+function changePlaybackSpeed(shouldSpeedUp: boolean, playerRef) {
+  const player = playerRef.current;
+  if (!player) return;
+  const isSpeedUp = shouldSpeedUp;
+  const rate = player.playbackRate();
+  let rateIndex = videoPlaybackRates.findIndex((x) => x === rate);
+  if (rateIndex >= 0) {
+    rateIndex = isSpeedUp ? Math.min(rateIndex + 1, videoPlaybackRates.length - 1) : Math.max(rateIndex - 1, 0);
+    const nextRate = videoPlaybackRates[rateIndex];
+
+    OVERLAY.showPlaybackRateOverlay(player, nextRate, isSpeedUp);
+    player.userActive(true);
+    player.playbackRate(nextRate);
+  }
+}
+
+const VideoJsKeyboardShorcuts = ({
+  playNext,
+  playPrevious,
+  toggleVideoTheaterMode,
+}: {
+  playNext: any, // function
+  playPrevious: any, // function
+  toggleVideoTheaterMode: any, // function
+}) => {
+  function toggleTheaterMode(playerRef) {
+    const player = playerRef.current;
+    if (!player) return;
+    // TODO: have to fix this
+    toggleVideoTheaterMode();
+    if (player.isFullscreen()) {
+      player.exitFullscreen();
+    }
+  }
+
+  function handleKeyDown(e: KeyboardEvent, playerRef, containerRef) {
+    const player = playerRef.current;
+    const videoNode = containerRef.current && containerRef.current.querySelector('video, audio');
+    if (!videoNode || !player || isUserTyping()) return;
+    handleSingleKeyActions(e, playerRef, containerRef);
+    handleShiftKeyActions(e, playerRef);
+  }
+
+  function handleShiftKeyActions(e: KeyboardEvent, playerRef) {
+    if (e.altKey || e.ctrlKey || e.metaKey || !e.shiftKey) return;
+    if (e.keyCode === KEYCODES.PERIOD) changePlaybackSpeed(true, playerRef);
+    if (e.keyCode === KEYCODES.COMMA) changePlaybackSpeed(false, playerRef);
+    if (e.keyCode === KEYCODES.N) playNext();
+    if (e.keyCode === KEYCODES.P) playPrevious();
+  }
+
+  // eslint-disable-next-line flowtype/no-types-missing-file-annotation
+  function handleSingleKeyActions(e: KeyboardEvent, playerRef, containerRef) {
+    if (e.altKey || e.ctrlKey || e.metaKey || e.shiftKey) return;
+    if (e.keyCode === KEYCODES.SPACEBAR || e.keyCode === KEYCODES.K) togglePlay(containerRef);
+    if (e.keyCode === KEYCODES.F) toggleFullscreen(playerRef);
+    if (e.keyCode === KEYCODES.M) toggleMute(containerRef);
+    if (e.keyCode === KEYCODES.UP) volumeUp(e, playerRef);
+    if (e.keyCode === KEYCODES.DOWN) volumeDown(e, playerRef);
+    if (e.keyCode === KEYCODES.T) toggleTheaterMode(playerRef);
+    if (e.keyCode === KEYCODES.L) seekVideo(SEEK_STEP, playerRef, containerRef);
+    if (e.keyCode === KEYCODES.J) seekVideo(-SEEK_STEP, playerRef, containerRef);
+    if (e.keyCode === KEYCODES.RIGHT) seekVideo(SEEK_STEP_5, playerRef, containerRef);
+    if (e.keyCode === KEYCODES.LEFT) seekVideo(-SEEK_STEP_5, playerRef, containerRef);
+  }
+
+  var curried_function = function (playerRef: any, containerRef: any) {
+    return function curried_func(e: any) {
+      handleKeyDown(e, playerRef, containerRef);
+    };
+  };
+
+  return {
+    curried_function,
+  };
+};
+
+export default VideoJsKeyboardShorcuts;

ui/component/viewers/videoViewer/internal/videojs.jsx

@@ -2,7 +2,6 @@
 import React, { useEffect, useRef, useState } from 'react';
 import Button from 'component/button';
 import * as ICONS from 'constants/icons';
-import * as KEYCODES from 'constants/keycodes';
 import classnames from 'classnames';
 import videojs from 'video.js';
 import 'video.js/dist/alt/video-js-cdn.min.css';
@@ -12,9 +11,10 @@ import './plugins/videojs-mobile-ui/plugin';
 import hlsQualitySelector from './plugins/videojs-hls-quality-selector/plugin';
 import recsys from './plugins/videojs-recsys/plugin';
 import qualityLevels from 'videojs-contrib-quality-levels';
-import isUserTyping from 'util/detect-typing';
-
-const isDev = process.env.NODE_ENV !== 'production';
+import LbryVolumeBarClass from './lbry-volume-bar';
+import keyboardShorcuts from './videojs-keyboard-shortcuts';
+import events from './videojs-events';
+import functions from './videojs-functions';
 
 export type Player = {
   on: (string, (any) => void) => void,
@@ -61,15 +61,6 @@ type Props = {
   playPrevious: () => void,
 };
 
-// type VideoJSOptions = {
-//   controls: boolean,
-//   preload: string,
-//   playbackRates: Array<number>,
-//   responsive: boolean,
-//   poster?: string,
-//   muted?: boolean,
-// };
-
 const videoPlaybackRates = [0.25, 0.5, 0.75, 1, 1.1, 1.25, 1.5, 1.75, 2];
 
 const IS_IOS =
@@ -89,9 +80,6 @@ const VIDEO_JS_OPTIONS = {
   },
 };
 
-const SEEK_STEP_5 = 5;
-const SEEK_STEP = 10; // time to seek in seconds
-
 if (!Object.keys(videojs.getPlugins()).includes('eventTracking')) {
   videojs.registerPlugin('eventTracking', eventTracking);
 }
@@ -108,47 +96,6 @@ if (!Object.keys(videojs.getPlugins()).includes('recsys')) {
   videojs.registerPlugin('recsys', recsys);
 }
 
-// ****************************************************************************
-// LbryVolumeBarClass
-// ****************************************************************************
-
-const VIDEOJS_CONTROL_BAR_CLASS = 'ControlBar';
-const VIDEOJS_VOLUME_PANEL_CLASS = 'VolumePanel';
-const VIDEOJS_VOLUME_CONTROL_CLASS = 'VolumeControl';
-const VIDEOJS_VOLUME_BAR_CLASS = 'VolumeBar';
-
-class LbryVolumeBarClass extends videojs.getComponent(VIDEOJS_VOLUME_BAR_CLASS) {
-  constructor(player, options = {}) {
-    super(player, options);
-  }
-
-  static replaceExisting(player) {
-    try {
-      const volumeControl = player
-        .getChild(VIDEOJS_CONTROL_BAR_CLASS)
-        .getChild(VIDEOJS_VOLUME_PANEL_CLASS)
-        .getChild(VIDEOJS_VOLUME_CONTROL_CLASS);
-      const volumeBar = volumeControl.getChild(VIDEOJS_VOLUME_BAR_CLASS);
-      volumeControl.removeChild(volumeBar);
-      volumeControl.addChild(new LbryVolumeBarClass(player));
-    } catch (error) {
-      // In case it slips in 'Production', the original volume bar will be used and the site should still be working
-      // (just not exactly the way we want).
-      if (isDev) throw Error('\n\nvideojs.jsx: Volume Panel hierarchy changed?\n\n' + error);
-    }
-  }
-
-  handleMouseDown(event) {
-    super.handleMouseDown(event);
-    event.stopPropagation();
-  }
-
-  handleMouseMove(event) {
-    super.handleMouseMove(event);
-    event.stopPropagation();
-  }
-}
-
 // ****************************************************************************
 // VideoJs
 // ****************************************************************************
@@ -175,9 +122,18 @@ export default React.memo<Props>(function VideoJs(props: Props) {
     playPrevious,
   } = props;
 
-  const [reload, setReload] = useState('initial');
+  // will later store the videojs player
   const playerRef = useRef();
   const containerRef = useRef();
+
+  const tapToUnmuteRef = useRef();
+  const tapToRetryRef = useRef();
+
+  // initiate keyboard shortcuts
+  const { curried_function } = keyboardShorcuts({ toggleVideoTheaterMode, playNext, playPrevious });
+
+  const [reload, setReload] = useState('initial');
+
   const videoJsOptions = {
     ...VIDEO_JS_OPTIONS,
     autoplay: autoplay,
@@ -199,322 +155,17 @@ export default React.memo<Props>(function VideoJs(props: Props) {
     },
   };
 
-  const tapToUnmuteRef = useRef();
-  const tapToRetryRef = useRef();
+  const { detectFileType, createVideoPlayerDOM } = functions({ source, sourceType, videoJsOptions, isAudio });
 
-  const TAP = {
-    NONE: 'NONE',
-    UNMUTE: 'UNMUTE',
-    RETRY: 'RETRY',
-  };
-
-  function showTapButton(tapButton) {
-    const setButtonVisibility = (theRef, newState) => {
-      // Use the DOM to control the state of the button to prevent re-renders.
-      if (theRef.current) {
-        const curState = theRef.current.style.visibility === 'visible';
-        if (newState !== curState) {
-          theRef.current.style.visibility = newState ? 'visible' : 'hidden';
-        }
-      }
-    };
-
-    switch (tapButton) {
-      case TAP.NONE:
-        setButtonVisibility(tapToUnmuteRef, false);
-        setButtonVisibility(tapToRetryRef, false);
-        break;
-      case TAP.UNMUTE:
-        setButtonVisibility(tapToUnmuteRef, true);
-        setButtonVisibility(tapToRetryRef, false);
-        break;
-      case TAP.RETRY:
-        setButtonVisibility(tapToUnmuteRef, false);
-        setButtonVisibility(tapToRetryRef, true);
-        break;
-      default:
-        if (isDev) throw new Error('showTapButton: unexpected ref');
-        break;
-    }
-  }
-
-  function unmuteAndHideHint() {
-    const player = playerRef.current;
-    if (player) {
-      player.muted(false);
-      if (player.volume() === 0) {
-        player.volume(1.0);
-      }
-    }
-    showTapButton(TAP.NONE);
-  }
-
-  function retryVideoAfterFailure() {
-    const player = playerRef.current;
-    if (player) {
-      setReload(Date.now());
-      showTapButton(TAP.NONE);
-    }
-  }
-
-  function resolveCtrlText(e) {
-    // Override the player's control text. We override to:
-    // 1. Add keyboard shortcut to the tool-tip.
-    // 2. Override videojs' i18n and use our own (don't want to have 2 systems).
-    //
-    // Notes:
-    // - For dynamic controls (e.g. play/pause), those unfortunately need to be
-    // updated again at their event-listener level (that's just the way videojs
-    // updates the text), hence the need to listen to 'play', 'pause' and 'volumechange'
-    // on top of just 'loadstart'.
-    // - videojs changes the MuteToggle text at 'loadstart', so this was chosen
-    // as the listener to update static texts.
-
-    const setLabel = (controlBar, childName, label) => {
-      const c = controlBar.getChild(childName);
-      if (c) {
-        c.controlText(label);
-      }
-    };
-
-    const player = playerRef.current;
-    if (player) {
-      const ctrlBar = player.getChild('controlBar');
-      switch (e.type) {
-        case 'play':
-          setLabel(ctrlBar, 'PlayToggle', __('Pause (space)'));
-          break;
-        case 'pause':
-          setLabel(ctrlBar, 'PlayToggle', __('Play (space)'));
-          break;
-        case 'volumechange':
-          ctrlBar
-            .getChild('VolumePanel')
-            .getChild('MuteToggle')
-            .controlText(player.muted() || player.volume() === 0 ? __('Unmute (m)') : __('Mute (m)'));
-          break;
-        case 'fullscreenchange':
-          setLabel(
-            ctrlBar,
-            'FullscreenToggle',
-            player.isFullscreen() ? __('Exit Fullscreen (f)') : __('Fullscreen (f)')
-          );
-          break;
-        case 'loadstart':
-          // --- Do everything ---
-          setLabel(ctrlBar, 'PlaybackRateMenuButton', __('Playback Rate (<, >)'));
-          setLabel(ctrlBar, 'QualityButton', __('Quality'));
-          setLabel(ctrlBar, 'PlayNextButton', __('Play Next (SHIFT+N)'));
-          setLabel(ctrlBar, 'PlayPreviousButton', __('Play Previous (SHIFT+P)'));
-          setLabel(ctrlBar, 'TheaterModeButton', videoTheaterMode ? __('Default Mode (t)') : __('Theater Mode (t)'));
-          setLabel(ctrlBar, 'AutoplayNextButton', autoplaySetting ? __('Autoplay Next On') : __('Autoplay Next Off'));
-
-          resolveCtrlText({ type: 'play' });
-          resolveCtrlText({ type: 'pause' });
-          resolveCtrlText({ type: 'volumechange' });
-          resolveCtrlText({ type: 'fullscreenchange' });
-          break;
-        default:
-          if (isDev) throw Error('Unexpected: ' + e.type);
-          break;
-      }
-    }
-  }
-
-  function onInitialPlay() {
-    const player = playerRef.current;
-    if (player && (player.muted() || player.volume() === 0)) {
-      // The css starts as "hidden". We make it visible here without
-      // re-rendering the whole thing.
-      showTapButton(TAP.UNMUTE);
-    } else {
-      showTapButton(TAP.NONE);
-    }
-  }
-
-  function onVolumeChange() {
-    const player = playerRef.current;
-    if (player && !player.muted()) {
-      showTapButton(TAP.NONE);
-    }
-  }
-
-  function onError() {
-    const player = playerRef.current;
-    showTapButton(TAP.RETRY);
-
-    // reattach initial play listener in case we recover from error successfully
-    // $FlowFixMe
-    player.one('play', onInitialPlay);
-
-    if (player && player.loadingSpinner) {
-      player.loadingSpinner.hide();
-    }
-  }
-
-  const onEnded = React.useCallback(() => {
-    // not sure if this is necessary - used to be dependent on !adUrl
-    showTapButton(TAP.NONE);
-  }, []);
-
-  function handleKeyDown(e: KeyboardEvent) {
-    const player = playerRef.current;
-    const videoNode = containerRef.current && containerRef.current.querySelector('video, audio');
-    if (!videoNode || !player || isUserTyping()) return;
-    handleSingleKeyActions(e);
-    handleShiftKeyActions(e);
-  }
-
-  function handleShiftKeyActions(e: KeyboardEvent) {
-    if (e.altKey || e.ctrlKey || e.metaKey || !e.shiftKey) return;
-    if (e.keyCode === KEYCODES.PERIOD) changePlaybackSpeed(true);
-    if (e.keyCode === KEYCODES.COMMA) changePlaybackSpeed(false);
-    if (e.keyCode === KEYCODES.N) playNext();
-    if (e.keyCode === KEYCODES.P) playPrevious();
-  }
-
-  function handleSingleKeyActions(e: KeyboardEvent) {
-    if (e.altKey || e.ctrlKey || e.metaKey || e.shiftKey) return;
-    if (e.keyCode === KEYCODES.SPACEBAR || e.keyCode === KEYCODES.K) togglePlay();
-    if (e.keyCode === KEYCODES.F) toggleFullscreen();
-    if (e.keyCode === KEYCODES.M) toggleMute();
-    if (e.keyCode === KEYCODES.UP) volumeUp();
-    if (e.keyCode === KEYCODES.DOWN) volumeDown();
-    if (e.keyCode === KEYCODES.T) toggleTheaterMode();
-    if (e.keyCode === KEYCODES.L) seekVideo(SEEK_STEP);
-    if (e.keyCode === KEYCODES.J) seekVideo(-SEEK_STEP);
-    if (e.keyCode === KEYCODES.RIGHT) seekVideo(SEEK_STEP_5);
-    if (e.keyCode === KEYCODES.LEFT) seekVideo(-SEEK_STEP_5);
-  }
-
-  function seekVideo(stepSize: number) {
-    const player = playerRef.current;
-    const videoNode = containerRef.current && containerRef.current.querySelector('video, audio');
-    if (!videoNode || !player) return;
-    const duration = videoNode.duration;
-    const currentTime = videoNode.currentTime;
-    const newDuration = currentTime + stepSize;
-    if (newDuration < 0) {
-      videoNode.currentTime = 0;
-    } else if (newDuration > duration) {
-      videoNode.currentTime = duration;
-    } else {
-      videoNode.currentTime = newDuration;
-    }
-    OVERLAY.showSeekedOverlay(player, Math.abs(stepSize), stepSize > 0);
-    player.userActive(true);
-  }
-
-  function changePlaybackSpeed(shouldSpeedUp: boolean) {
-    const player = playerRef.current;
-    if (!player) return;
-    const isSpeedUp = shouldSpeedUp;
-    const rate = player.playbackRate();
-    let rateIndex = videoPlaybackRates.findIndex((x) => x === rate);
-    if (rateIndex >= 0) {
-      rateIndex = isSpeedUp ? Math.min(rateIndex + 1, videoPlaybackRates.length - 1) : Math.max(rateIndex - 1, 0);
-      const nextRate = videoPlaybackRates[rateIndex];
-
-      OVERLAY.showPlaybackRateOverlay(player, nextRate, isSpeedUp);
-      player.userActive(true);
-      player.playbackRate(nextRate);
-    }
-  }
-
-  function toggleFullscreen() {
-    const player = playerRef.current;
-    if (!player) return;
-    if (!player.isFullscreen()) {
-      player.requestFullscreen();
-    } else {
-      player.exitFullscreen();
-    }
-  }
-
-  function toggleTheaterMode() {
-    const player = playerRef.current;
-    if (!player) return;
-    toggleVideoTheaterMode();
-    if (player.isFullscreen()) {
-      player.exitFullscreen();
-    }
-  }
-
-  function toggleMute() {
-    const videoNode = containerRef.current && containerRef.current.querySelector('video, audio');
-    if (!videoNode) return;
-    videoNode.muted = !videoNode.muted;
-  }
-
-  function togglePlay() {
-    const videoNode = containerRef.current && containerRef.current.querySelector('video, audio');
-    if (!videoNode) return;
-    videoNode.paused ? videoNode.play() : videoNode.pause();
-  }
-
-  function volumeUp() {
-    const player = playerRef.current;
-    if (!player) return;
-    player.volume(player.volume() + 0.05);
-    OVERLAY.showVolumeverlay(player, Math.round(player.volume() * 100));
-    player.userActive(true);
-  }
-
-  function volumeDown() {
-    const player = playerRef.current;
-    if (!player) return;
-    player.volume(player.volume() - 0.05);
-    OVERLAY.showVolumeverlay(player, Math.round(player.volume() * 100));
-    player.userActive(true);
-  }
-
-  // Create the video DOM element and wrapper
-  function createVideoPlayerDOM(container) {
-    if (!container) return;
-
-    // This seems like a poor way to generate the DOM for video.js
-    const wrapper = document.createElement('div');
-    wrapper.setAttribute('data-vjs-player', 'true');
-    const el = document.createElement(isAudio ? 'audio' : 'video');
-    el.className = 'video-js vjs-big-play-centered ';
-    wrapper.appendChild(el);
-
-    container.appendChild(wrapper);
-
-    return el;
-  }
-
-  function detectFileType() {
-    return new Promise(async (res, rej) => {
-      try {
-        const response = await fetch(source, { method: 'HEAD', cache: 'no-store' });
-
-        // Temp variables to hold results
-        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,
-          },
-        ];
-
-        return res(videoJsOptions);
-      } catch (error) {
-        return rej(error);
-      }
-    });
-  }
+  const { unmuteAndHideHint, retryVideoAfterFailure, initializeEvents } = events({
+    tapToUnmuteRef,
+    tapToRetryRef,
+    setReload,
+    videoTheaterMode,
+    playerRef,
+    autoplaySetting,
+    replay,
+  });
 
   // Initialize video.js
   function initializeVideoPlayer(el) {
@@ -526,16 +177,7 @@ export default React.memo<Props>(function VideoJs(props: Props) {
       // 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);
+      initializeEvents();
 
       // Replace volume bar with custom LBRY volume bar
       LbryVolumeBarClass.replaceExisting(player);
@@ -560,7 +202,6 @@ export default React.memo<Props>(function VideoJs(props: Props) {
       }
 
       // set playsinline for mobile
-      // TODO: make this better
       player.children_[0].setAttribute('playsinline', '');
 
       // I think this is a callback function
@@ -568,45 +209,14 @@ export default React.memo<Props>(function VideoJs(props: Props) {
       onPlayerReady(player, videoNode);
     });
 
+    // 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]);
-
+  /** instantiate videoJS and dispose of it when done with code **/
   // This lifecycle hook is only called once (on mount), or when `isAudio` or `source` changes.
   useEffect(() => {
     const vjsElement = createVideoPlayerDOM(containerRef.current);
@@ -622,13 +232,12 @@ export default React.memo<Props>(function VideoJs(props: Props) {
       // Set reference in component state
       playerRef.current = vjsPlayer;
 
-      // Add event listener for keyboard shortcuts
-      window.addEventListener('keydown', handleKeyDown);
+      window.addEventListener('keydown', curried_function(playerRef, containerRef));
     });
 
     // Cleanup
     return () => {
-      window.removeEventListener('keydown', handleKeyDown);
+      window.removeEventListener('keydown', curried_function);
 
       const player = playerRef.current;
       if (player) {