Make Youtube Video and Images Opacity Lower.
当前为
// ==UserScript==
// @name Youtube: Hide Video
// @version 1.0.1
// @description Make Youtube Video and Images Opacity Lower.
// @author Hayao-Gai
// @namespace https://github.com/HayaoGai
// @icon https://upload.wikimedia.org/wikipedia/commons/4/4c/YouTube_icon.png
// @include http*://www.youtube.com/*
// @grant GM_getValue
// @grant GM_setValue
// ==/UserScript==
/* jshint esversion: 6 */
(function() {
'use strict';
// Icons made by https://www.flaticon.com/authors/pixel-perfect
const off1 = `<svg width="35" height="35" viewBox="0 -107 512 512"><path d="m362.667969 298.667969h-213.335938c-82.34375 0-149.332031-67.007813-149.332031-149.335938 0-82.324219 66.988281-149.332031 149.332031-149.332031h213.335938c82.34375 0 149.332031 67.007812 149.332031 149.332031 0 82.328125-66.988281 149.335938-149.332031 149.335938zm-213.335938-266.667969c-64.703125 0-117.332031 52.652344-117.332031 117.332031 0 64.683594 52.628906 117.335938 117.332031 117.335938h213.335938c64.703125 0 117.332031-52.652344 117.332031-117.335938 0-64.679687-52.628906-117.332031-117.332031-117.332031zm0 0"/><path d="m149.332031 234.667969c-47.058593 0-85.332031-38.273438-85.332031-85.335938 0-47.058593 38.273438-85.332031 85.332031-85.332031 47.0625 0 85.335938 38.273438 85.335938 85.332031 0 47.0625-38.273438 85.335938-85.335938 85.335938zm0-138.667969c-29.394531 0-53.332031 23.914062-53.332031 53.332031 0 29.421875 23.9375 53.335938 53.332031 53.335938 29.398438 0 53.335938-23.914063 53.335938-53.335938 0-29.417969-23.9375-53.332031-53.335938-53.332031zm0 0"/></svg>`;
const off2 = `<svg width="35" height="35" viewBox="0 -107 512 512"><path d="m362.667969 0h-213.335938c-82.324219 0-149.332031 66.988281-149.332031 149.332031 0 82.347657 67.007812 149.335938 149.332031 149.335938h213.335938c82.324219 0 149.332031-66.988281 149.332031-149.335938 0-82.34375-67.007812-149.332031-149.332031-149.332031zm-213.335938 234.667969c-47.058593 0-85.332031-38.273438-85.332031-85.335938 0-47.058593 38.273438-85.332031 85.332031-85.332031 47.0625 0 85.335938 38.273438 85.335938 85.332031 0 47.0625-38.273438 85.335938-85.335938 85.335938zm0 0"/></svg>`;
const on1 = `<svg width="35" height="35" viewBox="0 -107 512 512"><path d="m0 149.332031c0 82.347657 67.007812 149.335938 149.332031 149.335938h213.335938c82.324219 0 149.332031-66.988281 149.332031-149.335938 0-82.34375-67.007812-149.332031-149.332031-149.332031h-213.335938c-82.324219 0-149.332031 66.988281-149.332031 149.332031zm277.332031 0c0-47.058593 38.273438-85.332031 85.335938-85.332031 47.058593 0 85.332031 38.273438 85.332031 85.332031 0 47.0625-38.273438 85.335938-85.332031 85.335938-47.0625 0-85.335938-38.273438-85.335938-85.335938zm0 0"/></svg>`;
const on2 = `<svg width="35" height="35" viewBox="0 -107 512 512"><path d="m362.667969 298.667969h-213.335938c-82.34375 0-149.332031-67.007813-149.332031-149.335938 0-82.324219 66.988281-149.332031 149.332031-149.332031h213.335938c82.34375 0 149.332031 67.007812 149.332031 149.332031 0 82.328125-66.988281 149.335938-149.332031 149.335938zm-213.335938-266.667969c-64.703125 0-117.332031 52.652344-117.332031 117.332031 0 64.683594 52.628906 117.335938 117.332031 117.335938h213.335938c64.703125 0 117.332031-52.652344 117.332031-117.335938 0-64.679687-52.628906-117.332031-117.332031-117.332031zm0 0"/><path d="m362.667969 234.667969c-47.0625 0-85.335938-38.273438-85.335938-85.335938 0-47.058593 38.273438-85.332031 85.335938-85.332031 47.058593 0 85.332031 38.273438 85.332031 85.332031 0 47.0625-38.273438 85.335938-85.332031 85.335938zm0-138.667969c-29.398438 0-53.335938 23.914062-53.335938 53.332031 0 29.421875 23.9375 53.335938 53.335938 53.335938 29.394531 0 53.332031-23.914063 53.332031-53.335938 0-29.417969-23.9375-53.332031-53.332031-53.332031zm0 0"/></svg>`;
css();
detectUrl();
window.addEventListener("load", init);
function init() {
addButton();
hideTarget("img", 0);
hideTarget("video", 0);
keyListener();
observeReady(0);
}
function addButton() {
// get
const logo = isCurrent() ? document.querySelector("ytd-topbar-logo-renderer#logo:not(added)") : document.querySelector(".yt-masthead-logo-container:not(added)");
if (!logo) return;
logo.classList.add("added");
// set
const button = document.createElement("span");
button.classList.add("switch");
// dark theme
const attDark = document.createAttribute("dark");
attDark.value = isDark();
button.setAttributeNode(attDark);
// svg
button.innerHTML = switchSVG();
// append
logo.parentNode.insertBefore(button, logo.nextSibling);
// listener
button.addEventListener("click", () => {
setToggle(!getToggle());
button.innerHTML = switchSVG();
});
}
function hideTarget(target, retry) {
// get
if (document.querySelectorAll(target).length === 0) {
if (retry < 10) {
retry++;
setTimeout(() => hideTarget(target, retry), 500);
return;
} else {
return;
}
}
// set
if (getToggle()) {
document.querySelectorAll(target).forEach(t => t.classList.add("hide"));
} else {
document.querySelectorAll(target).forEach(t => t.classList.remove("hide"));
}
}
function manualDark() {
const button = document.querySelector("span.switch");
button.setAttribute("dark", window.location.href.includes("watch?v=") ? true : isDark());
button.innerHTML = switchSVG();
}
function keyListener() {
document.addEventListener("keydown", e => {
if (e.keyCode === 72) {
const button = document.querySelector(".switch");
if (!button) return;
setToggle(!getToggle());
button.innerHTML = switchSVG();
}
});
}
function setToggle(value) {
GM_setValue("switch", value);
hideTarget("img", 0);
hideTarget("video", 0);
}
function getToggle() {
return GM_getValue("switch", false);
}
function switchSVG() {
//const on = (!isDark() && !window.location.href.includes("watch?v=")) ? on1 : on2;
//const off = (!isDark() && !window.location.href.includes("watch?v=")) ? off1 : off2;
return getToggle() ? on2 : off2;
}
function isCurrent() {
if (!!document.querySelector(".yt-masthead-logo-container:not(added)")) {
return false;
} else {
return true;
}
}
function isDark() {
if (!isCurrent()) {
//return false;
return true;
} else {
return document.querySelector("html").getAttribute("dark");
}
}
function observeReady(retry) {
const target1 = document.querySelector("html");
const target2 = isCurrent ? document.querySelector("ytd-item-section-renderer#sections") : document.head;
const target3 = document.querySelector("ytd-section-list-renderer");
if (!target1 || (window.location.href.includes("watch?v=") && !target2)) {
if (retry < 10) {
retry++;
setTimeout(() => observeReady(retry), 500);
} else {
console.log("Error: Can't get the specific node.");
}
} else {
observeSystem(target1, target2);
}
}
function observeSystem(target1, target2) {
const Mutation = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver;
const observer1 = new Mutation(manualDark);
const observer2 = new Mutation(() => hideTarget("img", 0));
const config = { attributes: true, childList: true, characterData: true };
if (target1) observer1.observe(target1, config);
if (target2) observer2.observe(target2, config);
}
function detectUrl() {
window.addEventListener('locationchange', init);
// situation 1
history.pushState = ( f => function pushState(){
var ret = f.apply(this, arguments);
window.dispatchEvent(new Event('pushState'));
window.dispatchEvent(new Event('locationchange'));
return ret;
})(history.pushState);
// situation 2
history.replaceState = ( f => function replaceState(){
var ret = f.apply(this, arguments);
window.dispatchEvent(new Event('replaceState'));
window.dispatchEvent(new Event('locationchange'));
return ret;
})(history.replaceState);
// situation 3
window.addEventListener('popstate', () => window.dispatchEvent(new Event('locationchange')));
}
function css() {
const style = document.createElement("style");
style.type = "text/css";
style.innerHTML =
`.switch {
position: absolute;
left: 190px;
top: 8px;
}
.switch[dark="true"] {
position: absolute;
left: 190px;
top: 8px;
fill: white;
}
.hide {
transition: opacity 0.3s;
opacity: 0.1;
}`;
document.head.appendChild(style);
}
})();
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