不錯過資訊的同時跳過廢話
// ==UserScript==
// @name YouTube Playback Speed Up
// @name:zh-TW YouTube 播放加速
// @name:zh-HK YouTube 播放加速
// @name:zh-CN YouTube 播放加速
// @namespace https://github.com/NightFeather0615
// @version 2.6.2
// @description Speeding up shit talking without leaving out any information
// @description:zh-TW 不錯過資訊的同時跳過廢話
// @description:zh-HK 不錯過資訊的同時跳過廢話
// @description:zh-CN 不错过资讯的同时跳过废话
// @author NightFeather
// @match *://www.youtube.com/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// @grant none
// @license MPL-2.0
// ==/UserScript==
/* jshint esversion: 8 */
/* jshint -W083 */
/* jshint multistr: true */
/* eslint no-multi-str: 0 */
const waitElement = async (selector) => {
'use strict';
while (document.querySelector(selector) === null) {
await new Promise((resolve, reject) => requestAnimationFrame(resolve));
}
return document.querySelector(selector);
};
const asyncSleep = async (ms) => {
'use strict';
return new Promise(resolve => setTimeout(resolve, ms));
};
const insertStyleSheet = () => {
let styleSheet = document.createElement("style");
styleSheet.textContent = ' \
.player-playback-speed-hint { \
-webkit-box-pack: center; \
-ms-flex-pack: center; \
background-color: rgba(28, 28, 28, 0.9); \
border-radius: 6px; \
color: #f1f1f1; \
display: -webkit-box; \
display: -ms-flexbox; \
display: flex; \
height: 36px; \
justify-content: center; \
left: 50%; \
line-height: 36px; \
margin-left: -65px; \
position: absolute; \
top: 18px; \
width: 170px; \
z-index: 77; \
font-size: 13px; \
font-family: "Roboto", "Arial", sans-serif; \
} \
\
.player-playback-speed-hint-icon { \
display: inline-block; \
margin-right: 8px; \
width: 22px \
} \
'; // Style sheet from bilibili
document.head.appendChild(styleSheet);
}
const insertPlaybackSpeedHint = async () => {
let moviePlayer = await waitElement("#movie_player");
let hint = document.createElement("div");
hint.className = "player-playback-speed-hint";
hint.style.display = "none";
hint.innerHTML = ' \
<span class="player-playback-speed-hint-icon"> \
<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-player-track-next-filled" stroke-linecap="round" stroke-linejoin="round" viewBox="0 0 24 24" stroke-width="2" stroke="white" fill="white" height="36" width="22"> \
<path stroke="none" d="M0 0h24v24H0z" fill="none"></path> \
<path d="M2 5v14c0 .86 1.012 1.318 1.659 .753l8 -7a1 1 0 0 0 0 -1.506l-8 -7c-.647 -.565 -1.659 -.106 -1.659 .753z" stroke-width="0" fill="currentColor"></path> \
<path d="M13 5v14c0 .86 1.012 1.318 1.659 .753l8 -7a1 1 0 0 0 0 -1.506l-8 -7c-.647 -.565 -1.659 -.106 -1.659 .753z" stroke-width="0" fill="currentColor"></path> \
</svg> \
</span> \
<span class="player-playback-speed-hint-text"> \
</span> \
'; // Icon from Tabler Icons
moviePlayer.appendChild(hint);
}
(async function() {
'use strict';
let isPlayerSetup = false;
const speedUpKey = 192;
const increaseSpeedKey = 33;
const decreaseSpeedKey = 34;
const resetSpeedKey = 46;
const fixSpeedKey = 9;
let isSpeedUp = false;
let isSpeedFixed = false;
let speedUpRate = 3;
const trySetupPlayer = async () => {
let isUrlVaild = window.location.pathname.startsWith("/watch") || window.location.pathname.startsWith("/live");
if (!isUrlVaild || isPlayerSetup) return;
isPlayerSetup = true;
let videoPlayer = await waitElement("video");
console.log(`[YT Playback Speed Up] Video player initialized`);
let speedBeforeModify = videoPlayer.playbackRate;
console.log(`[YT Playback Speed Up] Default playback speed is ${speedBeforeModify}`);
insertStyleSheet();
await insertPlaybackSpeedHint();
let playbackSpeedHint = await waitElement(".player-playback-speed-hint");
let playbackSpeedHintText = await waitElement(".player-playback-speed-hint-text");
console.log(`[YT Playback Speed Up] Player hint initialized`);
const updateStatus = () => {
if (isSpeedUp) {
videoPlayer.playbackRate = speedUpRate;
playbackSpeedHint.style.display = "";
playbackSpeedHintText.textContent = `Playback Speed x${speedUpRate.toFixed(1)}`;
console.log(`[YT Playback Speed Up] Speeding up playback`);
} else {
videoPlayer.playbackRate = speedBeforeModify;
playbackSpeedHint.style.display = "none";
console.log(`[YT Playback Speed Up] Set speed up rate to ${speedBeforeModify}`);
}
};
document.addEventListener("keydown", async (event) => {
switch(event.keyCode) {
case speedUpKey: {
event.preventDefault();
if (event.repeat || isSpeedFixed) return;
isSpeedUp = true;
if (isSpeedUp) {
speedBeforeModify = videoPlayer.playbackRate;
updateStatus();
}
break;
}
case increaseSpeedKey: {
event.preventDefault();
speedUpRate += 0.5;
console.log(`[YT Playback Speed Up] Set speed up rate to ${speedUpRate}`);
updateStatus();
break;
}
case decreaseSpeedKey: {
event.preventDefault();
if (speedUpRate <= 0) return;
speedUpRate -= 0.5;
console.log(`[YT Playback Speed Up] Set speed up rate to ${speedUpRate}`);
updateStatus();
break;
}
case resetSpeedKey: {
event.preventDefault();
speedUpRate = 3;
console.log(`[YT Playback Speed Up] Set speed up rate to ${speedUpRate}`);
updateStatus();
break;
}
case fixSpeedKey: {
event.preventDefault();
if (!isSpeedUp && !isSpeedFixed) return;
if (isSpeedUp && !isSpeedFixed) {
isSpeedFixed = true;
} else {
isSpeedUp = false;
isSpeedFixed = false;
}
updateStatus();
break;
}
default: return;
}
});
document.addEventListener("keyup", (event) => {
if (event.keyCode === speedUpKey && !isSpeedFixed) {
event.preventDefault();
isSpeedUp = false;
updateStatus();
}
});
};
await trySetupPlayer();
document.addEventListener("selectionchange", trySetupPlayer);
})();