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watch-party
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use plyr for video controls

easrng 2023-02-01 20:18:46 -05:00
parent e43184ab49
commit 1bd7071cec
16 changed files with 1416 additions and 1437 deletions
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1
frontend/index.html
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@ -3,6 +3,7 @@
<head> <head>
<meta charset="utf-8" /> <meta charset="utf-8" />
<title>watch party :D</title> <title>watch party :D</title>
<link rel="stylesheet" href="/lib/plyr-3.7.3.css" />
<link rel="stylesheet" href="/styles.css?v=bfdcf2" /> <link rel="stylesheet" href="/styles.css?v=bfdcf2" />
</head> </head>

10
frontend/lib/chat.mjs
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@ -2,6 +2,7 @@ import {
setDebounce, setDebounce,
setVideoTime, setVideoTime,
setPlaying, setPlaying,
sync,
} from "./watch-session.mjs?v=bfdcf2"; } from "./watch-session.mjs?v=bfdcf2";
import { emojify, findEmojis } from "./emojis.mjs?v=bfdcf2"; import { emojify, findEmojis } from "./emojis.mjs?v=bfdcf2";
import { linkify } from "./links.mjs?v=bfdcf2"; import { linkify } from "./links.mjs?v=bfdcf2";
@ -164,14 +165,7 @@ const setupChatboxEvents = (socket) => {
handled = true; handled = true;
break; break;
case "/sync": case "/sync":
const sessionId = window.location.hash.slice(1); await sync();
const { current_time_ms, is_playing } = await fetch(
`/sess/${sessionId}`
).then((r) => r.json());
setDebounce();
setPlaying(is_playing);
setVideoTime(current_time_ms);
const syncMessageContent = document.createElement("span"); const syncMessageContent = document.createElement("span");
syncMessageContent.appendChild( syncMessageContent.appendChild(

6
frontend/lib/join-session.mjs
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@ -54,11 +54,13 @@ const displayPostCreateMessage = () => {
if (params.get("created") == "true") { if (params.get("created") == "true") {
document.querySelector("#post-create-message").style["display"] = "block"; document.querySelector("#post-create-message").style["display"] = "block";
window.history.replaceState({}, document.title, `/${window.location.hash}`); window.history.replaceState({}, document.title, `/${window.location.hash}`);
return true;
} }
return false;
}; };
export const setupJoinSessionForm = () => { export const setupJoinSessionForm = () => {
displayPostCreateMessage(); const created = displayPostCreateMessage();
const form = document.querySelector("#join-session-form"); const form = document.querySelector("#join-session-form");
const nickname = form.querySelector("#join-session-nickname"); const nickname = form.querySelector("#join-session-nickname");
@ -84,7 +86,7 @@ export const setupJoinSessionForm = () => {
state().nickname = nickname.value; state().nickname = nickname.value;
state().sessionId = sessionId.value; state().sessionId = sessionId.value;
state().colour = colour.value.replace(/^#/, ""); state().colour = colour.value.replace(/^#/, "");
await joinSession(); await joinSession(created);
} catch (e) { } catch (e) {
alert(e.message); alert(e.message);
button.disabled = false; button.disabled = false;

1
frontend/lib/pling.mjs
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@ -77,4 +77,3 @@ export const pling = () => {
thirdBeep.start(ctx.currentTime + thirdBeepOffset); thirdBeep.start(ctx.currentTime + thirdBeepOffset);
thirdBeep.stop(ctx.currentTime + (thirdBeepOffset + duration)); thirdBeep.stop(ctx.currentTime + (thirdBeepOffset + duration));
}; };

1
frontend/lib/plyr-3.7.3.css Normal file
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1
frontend/lib/plyr-3.7.3.min.esm.js Normal file
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143
frontend/lib/video.mjs
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@ -1,110 +1,56 @@
const loadVolume = () => { import Plyr from "./plyr-3.7.3.min.esm.js";
try {
const savedVolume = localStorage.getItem("watch-party-volume");
if (savedVolume != null && savedVolume != "") {
return +savedVolume;
}
} catch (_err) {
// Sometimes localStorage is blocked from use
}
// default
return 0.5;
};
/**
* @param {number} volume
*/
const saveVolume = (volume) => {
try {
localStorage.setItem("watch-party-volume", volume);
} catch (_err) {
// see loadVolume
}
};
const loadCaptionTrack = () => {
try {
const savedTrack = localStorage.getItem("watch-party-captions");
if (savedTrack != null && savedTrack != "") {
return +savedTrack;
}
} catch (_err) {
// Sometimes localStorage is blocked from use
}
// default
return -1;
};
/**
* @param {number} track
*/
const saveCaptionsTrack = (track) => {
try {
localStorage.setItem("watch-party-captions", track);
} catch (_err) {
// see loadCaptionsTrack
}
};
/** /**
* @param {string} videoUrl * @param {string} videoUrl
* @param {{name: string, url: string}[]} subtitles * @param {{name: string, url: string}[]} subtitles
*/ */
const createVideoElement = (videoUrl, subtitles) => { const createVideoElement = (videoUrl, subtitles, created) => {
const oldVideo = document.getElementById("video"); const oldVideo = document.getElementById(".plyr");
if (oldVideo) { if (oldVideo) {
oldVideo.remove(); oldVideo.remove();
} }
const video = document.createElement("video"); const video = document.createElement("video");
video.id = "video"; video.id = "video";
video.controls = true;
video.autoplay = false;
video.volume = loadVolume();
video.crossOrigin = "anonymous"; video.crossOrigin = "anonymous";
video.addEventListener("volumechange", async () => {
saveVolume(video.volume);
});
const source = document.createElement("source"); const source = document.createElement("source");
source.src = videoUrl; source.src = videoUrl;
video.appendChild(source); video.appendChild(source);
const storedTrack = loadCaptionTrack();
let id = 0;
for (const { name, url } of subtitles) { for (const { name, url } of subtitles) {
const track = document.createElement("track"); const track = document.createElement("track");
track.label = name; track.label = name;
track.srclang = "xx-" + name.toLowerCase();
track.src = url; track.src = url;
track.kind = "captions"; track.kind = "captions";
if (id == storedTrack || storedTrack == -1) {
track.default = true;
}
video.appendChild(track); video.appendChild(track);
id++;
} }
video.textTracks.addEventListener("change", async () => { const videoContainer = document.querySelector("#video-container");
let id = 0; videoContainer.style.display = "block";
for (const track of video.textTracks) { videoContainer.appendChild(video);
if (track.mode != "disabled") {
saveCaptionsTrack(id); const player = new Plyr(video, {
return; clickToPlay: false,
} settings: ["captions", "quality"],
id++; autopause: false,
}
saveCaptionsTrack(-1);
}); });
player.elements.controls.insertAdjacentHTML(
// watch for attribute changes on the video object to detect hiding/showing of controls "afterbegin",
// as far as i can tell this is the least hacky solutions to get control visibility change events `<button type="button" aria-pressed="false" class="plyr__controls__item plyr__control lock-controls"><svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M18 8h-1V6c0-2.76-2.24-5-5-5S7 3.24 7 6v2H6c-1.1 0-2 .9-2 2v10c0 1.1.9 2 2 2h12c1.1 0 2-.9 2-2V10c0-1.1-.9-2-2-2zm-6 9c-1.1 0-2-.9-2-2s.9-2 2-2 2 .9 2 2-.9 2-2 2zM9 8V6c0-1.66 1.34-3 3-3s3 1.34 3 3v2H9z"></path></svg><span class="label--pressed plyr__sr-only">Unlock controls</span><span class="label--not-pressed plyr__sr-only">Lock controls</span></button>`
const observer = new MutationObserver(async (mutations) => { );
for (const mutation of mutations) { const lockButton = player.elements.controls.children[0];
if (mutation.attributeName == "controls") { let controlsEnabled = created;
if (video.controls) { const setControlsEnabled = (enabled) => {
controlsEnabled = enabled;
lockButton.setAttribute("aria-pressed", enabled);
lockButton.classList.toggle("plyr__control--pressed", enabled);
player.elements.buttons.play[0].disabled =
player.elements.buttons.play[1].disabled =
player.elements.inputs.seek.disabled =
!enabled;
if (!enabled) {
// enable media button support // enable media button support
navigator.mediaSession.setActionHandler("play", null); navigator.mediaSession.setActionHandler("play", null);
navigator.mediaSession.setActionHandler("pause", null); navigator.mediaSession.setActionHandler("pause", null);
@ -125,13 +71,14 @@ const createVideoElement = (videoUrl, subtitles) => {
navigator.mediaSession.setActionHandler("previoustrack", () => {}); navigator.mediaSession.setActionHandler("previoustrack", () => {});
navigator.mediaSession.setActionHandler("nexttrack", () => {}); navigator.mediaSession.setActionHandler("nexttrack", () => {});
} }
return; };
} setControlsEnabled(controlsEnabled);
} lockButton.addEventListener("click", () =>
}); setControlsEnabled(!controlsEnabled)
observer.observe(video, { attributes: true }); );
window.__plyr = player;
return video; return player;
}; };
/** /**
@ -140,24 +87,26 @@ const createVideoElement = (videoUrl, subtitles) => {
* @param {number} currentTime * @param {number} currentTime
* @param {boolean} playing * @param {boolean} playing
*/ */
export const setupVideo = async (videoUrl, subtitles, currentTime, playing) => { export const setupVideo = async (
videoUrl,
subtitles,
currentTime,
playing,
created
) => {
document.querySelector("#pre-join-controls").style["display"] = "none"; document.querySelector("#pre-join-controls").style["display"] = "none";
const video = createVideoElement(videoUrl, subtitles); const player = createVideoElement(videoUrl, subtitles, created);
const videoContainer = document.querySelector("#video-container"); player.currentTime = currentTime / 1000.0;
videoContainer.style.display = "block";
videoContainer.appendChild(video);
video.currentTime = currentTime / 1000.0;
try { try {
if (playing) { if (playing) {
await video.play(); player.play();
} else { } else {
video.pause(); player.pause();
} }
} catch (err) { } catch (err) {
// Auto-play is probably disabled, we should uhhhhhhh do something about it // Auto-play is probably disabled, we should uhhhhhhh do something about it
} }
return video; return player;
}; };

92
frontend/lib/watch-session.mjs
View File

@ -7,7 +7,7 @@ import {
} from "./chat.mjs?v=bfdcf2"; } from "./chat.mjs?v=bfdcf2";
import ReconnectingWebSocket from "./reconnecting-web-socket.mjs"; import ReconnectingWebSocket from "./reconnecting-web-socket.mjs";
import { state } from "./state.mjs"; import { state } from "./state.mjs";
let player;
/** /**
* @param {string} sessionId * @param {string} sessionId
* @param {string} nickname * @param {string} nickname
@ -42,26 +42,18 @@ export const setDebounce = () => {
}, 500); }, 500);
}; };
export const setVideoTime = (time, video = null) => { export const setVideoTime = (time) => {
if (video == null) {
video = document.querySelector("video");
}
const timeSecs = time / 1000.0; const timeSecs = time / 1000.0;
if (Math.abs(video.currentTime - timeSecs) > 0.5) { if (Math.abs(player.currentTime - timeSecs) > 0.5) {
video.currentTime = timeSecs; player.currentTime = timeSecs;
} }
}; };
export const setPlaying = async (playing, video = null) => { export const setPlaying = async (playing) => {
if (video == null) {
video = document.querySelector("video");
}
if (playing) { if (playing) {
await video.play(); await player.play();
} else { } else {
video.pause(); player.pause();
} }
}; };
@ -69,7 +61,7 @@ export const setPlaying = async (playing, video = null) => {
* @param {HTMLVideoElement} video * @param {HTMLVideoElement} video
* @param {ReconnectingWebSocket} socket * @param {ReconnectingWebSocket} socket
*/ */
const setupIncomingEvents = (video, socket) => { const setupIncomingEvents = (player, socket) => {
socket.addEventListener("message", async (messageEvent) => { socket.addEventListener("message", async (messageEvent) => {
try { try {
const event = JSON.parse(messageEvent.data); const event = JSON.parse(messageEvent.data);
@ -79,16 +71,16 @@ const setupIncomingEvents = (video, socket) => {
setDebounce(); setDebounce();
if (event.data.playing) { if (event.data.playing) {
await video.play(); await player.play();
} else { } else {
video.pause(); player.pause();
} }
setVideoTime(event.data.time, video); setVideoTime(event.data.time);
break; break;
case "SetTime": case "SetTime":
setDebounce(); setDebounce();
setVideoTime(event.data, video); setVideoTime(event.data);
break; break;
case "UpdateViewerList": case "UpdateViewerList":
updateViewerList(event.data); updateViewerList(event.data);
@ -102,19 +94,19 @@ const setupIncomingEvents = (video, socket) => {
}; };
/** /**
* @param {HTMLVideoElement} video * @param {Plyr} player
* @param {ReconnectingWebSocket} socket * @param {ReconnectingWebSocket} socket
*/ */
const setupOutgoingEvents = (video, socket) => { const setupOutgoingEvents = (player, socket) => {
const currentVideoTime = () => (video.currentTime * 1000) | 0; const currentVideoTime = () => (player.currentTime * 1000) | 0;
video.addEventListener("pause", async (event) => { player.on("pause", async () => {
if (outgoingDebounce || !video.controls) { if (outgoingDebounce || player.elements.inputs.seek.disabled) {
return; return;
} }
// don't send a pause event for the video ending // don't send a pause event for the video ending
if (video.currentTime == video.duration) { if (player.currentTime == player.duration) {
return; return;
} }
@ -129,8 +121,8 @@ const setupOutgoingEvents = (video, socket) => {
); );
}); });
video.addEventListener("play", (event) => { player.on("play", () => {
if (outgoingDebounce || !video.controls) { if (outgoingDebounce || player.elements.inputs.seek.disabled) {
return; return;
} }
@ -146,14 +138,14 @@ const setupOutgoingEvents = (video, socket) => {
}); });
let firstSeekComplete = false; let firstSeekComplete = false;
video.addEventListener("seeked", async (event) => { player.on("seeked", async (event) => {
if (!firstSeekComplete) { if (!firstSeekComplete) {
// The first seeked event is performed by the browser when the video is loading // The first seeked event is performed by the browser when the video is loading
firstSeekComplete = true; firstSeekComplete = true;
return; return;
} }
if (outgoingDebounce || !video.controls) { if (outgoingDebounce || player.elements.inputs.seek.disabled) {
return; return;
} }
@ -168,7 +160,7 @@ const setupOutgoingEvents = (video, socket) => {
}); });
}; };
export const joinSession = async () => { export const joinSession = async (created) => {
if (state().activeSession) { if (state().activeSession) {
if (state().activeSession === state().sessionId) { if (state().activeSession === state().sessionId) {
// we are already in this session, dont rejoin // we are already in this session, dont rejoin
@ -221,30 +213,20 @@ export const joinSession = async () => {
const socket = createWebSocket(); const socket = createWebSocket();
state().socket = socket; state().socket = socket;
socket.addEventListener("open", async () => { socket.addEventListener("open", async () => {
const video = await setupVideo( player = await setupVideo(
video_url, video_url,
subtitle_tracks, subtitle_tracks,
current_time_ms, current_time_ms,
is_playing is_playing,
created
); );
// TODO: Allow the user to set this somewhere player.on("canplay", () => {
let defaultAllowControls = false; sync();
try { });
defaultAllowControls = localStorage.getItem(
"watch-party-default-allow-controls"
);
} catch (_err) {}
// By default, we should disable video controls if the video is already playing. setupOutgoingEvents(player, socket);
// This solves an issue where Safari users join and seek to 00:00:00 because of setupIncomingEvents(player, socket);
// outgoing events.
if (current_time_ms != 0 || !defaultAllowControls) {
video.controls = false;
}
setupOutgoingEvents(video, socket);
setupIncomingEvents(video, socket);
setupChat(socket); setupChat(socket);
}); });
socket.addEventListener("reconnecting", (e) => { socket.addEventListener("reconnecting", (e) => {
@ -274,3 +256,15 @@ export const createSession = async (videoUrl, subtitleTracks) => {
window.location = `/?created=true#${id}`; window.location = `/?created=true#${id}`;
}; };
export const sync = async () => {
setDebounce();
await setPlaying(false);
const { current_time_ms, is_playing } = await fetch(
`/sess/${state().sessionId}`
).then((r) => r.json());
setDebounce();
setVideoTime(current_time_ms);
if (is_playing) await setPlaying(is_playing);
};

48
frontend/styles.css
View File

@ -25,6 +25,14 @@
), ),
linear-gradient(var(--bg), var(--bg)); linear-gradient(var(--bg), var(--bg));
--accent-transparent: rgba(var(--accent-rgb), 0.25); --accent-transparent: rgba(var(--accent-rgb), 0.25);
--plyr-color-main: var(--accent);
--plyr-control-radius: 6px;
--plyr-menu-radius: 6px;
--plyr-menu-background: var(--autocomplete-bg);
--plyr-menu-color: var(--fg);
--plyr-menu-arrow-color: var(--fg);
--plyr-menu-back-border-color: var(--fg-transparent);
--plyr-menu-back-border-shadow-color: transparent;
} }
html { html {
@ -49,11 +57,41 @@ body {
flex-direction: column; flex-direction: column;
} }
video { .lock-controls.plyr__control--pressed svg {
display: block; opacity: 0.5;
}
.plyr {
width: 100%; width: 100%;
height: 100%; height: 100%;
object-fit: contain; }
.plyr__menu__container {
--plyr-video-control-background-hover: var(--fg-transparent);
--plyr-video-control-color-hover: var(--fg);
--plyr-control-radius: 4px;
--plyr-control-spacing: calc(0.25rem / 0.7);
--plyr-font-size-menu: 0.75rem;
--plyr-menu-arrow-size: 0;
margin-bottom: 0.48rem;
max-height: 27vmin;
clip-path: inset(0 0 0 0 round 4px);
scrollbar-width: thin;
}
.plyr__menu__container .plyr__control[role="menuitemradio"]::after {
left: 10px;
}
.plyr__menu__container
.plyr__control[role="menuitemradio"][aria-checked="true"].plyr__tab-focus::before,
.plyr__menu__container
.plyr__control[role="menuitemradio"][aria-checked="true"]:hover::before {
background: var(--accent);
}
[data-plyr="language"] .plyr__menu__value {
display: none;
} }
#video-container { #video-container {
@ -131,7 +169,7 @@ input[type="text"] {
overflow-y: scroll; overflow-y: scroll;
} }
button { button:not(.plyr button) {
background-color: var(--accent); background-color: var(--accent);
border: var(--accent); border: var(--accent);
border-radius: 6px; border-radius: 6px;
@ -303,7 +341,7 @@ button.small-button {
display: none; display: none;
} }
.emoji-option { .emoji-option:not(:root) {
background: transparent; background: transparent;
font-size: 0.75rem; font-size: 0.75rem;
text-align: left; text-align: left;