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DarkMode.user.js
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// ==UserScript==
// @name 护眼模式
// @version 1.0.1
// @author X.I.U
// @description 最简单的全网通用护眼模式、夜间模式、暗黑模式
// @match *://*/*
// @icon https://i.loli.net/2021/03/07/rdijeYm83pznxWq.png
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// @grant GM_getValue
// @grant GM_setValue
// @noframes
// @license GPL-3.0 License
// @run-at document-start
// @namespace https://github.com/XIU2/UserScript
// ==/UserScript==
(function() {
var menu_ALL = [
['menu_runDuringTheDay', '白天保持开启 (比晚上更亮一点)', '白天保持开启', true],
['menu_darkModeType', '点击切换模式', '点击切换模式', 1]
], menu_ID = [];
for (let i=0;i<menu_ALL.length;i++){ // 如果读取到的值为 null 就写入默认值
if (GM_getValue(menu_ALL[i][0]) == null){GM_setValue(menu_ALL[i][0], menu_ALL[i][3])};
}
registerMenuCommand();
addStyle();
// 注册脚本菜单
function registerMenuCommand() {
if (menu_ID.length > menu_ALL.length){ // 如果菜单ID数组多于菜单数组，说明不是首次添加菜单，需要卸载所有脚本菜单
for (let i=0;i<menu_ID.length;i++){
GM_unregisterMenuCommand(menu_ID[i]);
}
}
for (let i=0;i<menu_ALL.length;i++){ // 循环注册脚本菜单
menu_ALL[i][3] = GM_getValue(menu_ALL[i][0]);
if (menu_ALL[i][0] === 'menu_darkModeType') {
if (menu_ALL[i][3] > 3){ // 避免在减少 raw 数组后，用户储存的数据大于数组而报错
menu_ALL[i][3] = 1;
GM_setValue('menu_darkModeType', menu_ALL[i][3]);
}
menu_ID[i] = GM_registerMenuCommand(`🔄 [ ${menu_ALL[i][3]} ] ${menu_ALL[i][1]}`, function(){menu_toggle(`${menu_ALL[i][3]}`,`${menu_ALL[i][0]}`)});
} else {
menu_ID[i] = GM_registerMenuCommand(`🌝 [ ${menu_ALL[i][3]?'√':'×'} ] ${menu_ALL[i][1]}`, function(){menu_switch(`${menu_ALL[i][3]}`,`${menu_ALL[i][0]}`,`${menu_ALL[i][2]}`)});
}
}
menu_ID[menu_ID.length] = GM_registerMenuCommand('💬 反馈 & 建议', function () {window.GM_openInTab('https://github.com/XIU2/UserScript#xiu2userscript', {active: true,insert: true,setParent: true});window.GM_openInTab('https://greasyfork.org/zh-CN/scripts/412212/feedback', {active: true,insert: true,setParent: true});});
}
// 切换暗黑模式
function menu_toggle(menu_status, Name) {
menu_status = parseInt(menu_status)
if (menu_status >= 3){
menu_status = 1;
} else {
menu_status += 1;
}
GM_setValue(`${Name}`, menu_status);
location.reload(); // 刷新网页
};
// 菜单开关
function menu_switch(menu_status, Name, Tips) {
if (menu_status == 'true'){
GM_setValue(`${Name}`, false);
GM_notification({text: `已关闭 [${Tips}] 功能\n（刷新网页后生效）`, timeout: 3500});
}else{
GM_setValue(`${Name}`, true);
GM_notification({text: `已开启 [${Tips}] 功能\n（刷新网页后生效）`, timeout: 3500});
}
registerMenuCommand(); // 重新注册脚本菜单
};
// 返回菜单值
function menu_value(menuName) {
for (let menu of menu_ALL) {
if (menu[0] == menuName) {
return menu[3]
}
}
}
// 添加样式
function addStyle() {
let grayLevel,rgbValueArry,
style_Add = document.createElement('style'),
hours = new Date().getHours(),
style = ``,
style_00 = `body {background-color: #ffffff !important;}`,
style_11 = `html {filter: brightness(80%) !important;}`,
style_11_firefox = `html {filter: brightness(80%) !important; background-image: url();}`,
style_12 = `html {filter: brightness(70%) !important;}`,
style_12_firefox = `html {filter: brightness(70%) !important; background-image: url();}`,
style_21 = `html {filter: brightness(80%) sepia(20%) !important;}`,
style_21_firefox = `html {filter: brightness(80%) sepia(20%) !important; background-image: url();}`,
style_22 = `html {filter: brightness(70%) sepia(30%) !important;}`,
style_22_firefox = `html {filter: brightness(70%) sepia(30%) !important; background-image: url();}`,
style_31 = `html {filter: invert(80%) !important;} img, video {filter: invert(1) !important;}`,
style_31_firefox = `html {filter: invert(80%) !important;} img, video {filter: invert(1) !important; background-image: url();}`;
// 判断网页是否没有设置背景颜色（没有背景颜色会导致滤镜对背景颜色无效）
if (document.body) {
rgbValueArry = window.getComputedStyle(document.body).backgroundColor.replace ('rgb(', '').replace ('rgba(', '').replace (')', '').split (', ');
grayLevel = rgbValueArry [0] + rgbValueArry [1] + rgbValueArry [2];
if (grayLevel === "000") style += style_00
}
// Firefox 浏览器需要特殊对待
if (navigator.userAgent.toLowerCase().indexOf('firefox') > -1) {
style_11 = style_11_firefox
style_12 = style_12_firefox
style_21 = style_21_firefox
style_22 = style_22_firefox
style_31 = style_31_firefox
}
// 白天（7点到19点）
if (hours > 6 && hours < 19) {
if (menu_value('menu_runDuringTheDay')) {
style_12 = style_11
style_22 = style_21
} else {
style_12 = style_22 = ''
}
}
switch(menu_value('menu_darkModeType')) {
case 1:
style += style_12;
break;
case 2:
style += style_22;
break;
case 3:
style += style_31;
break;
}
style_Add.innerHTML = style;
if (document.head) {
document.head.appendChild(style_Add);
} else { // 为了避免脚本运行的时候 head 还没加载导致报错
let timer = setInterval(function(){
if (document.head) {
document.head.appendChild(style_Add);
clearInterval(timer);
}
}, 1);
}
// 为了避免 body 还没加载导致无法检查是否设置背景颜色的备用措施
if (!grayLevel) {
let timer2 = setInterval(function(){
if (document.body) {
let rgbValueArry = window.getComputedStyle(document.body).backgroundColor.replace ('rgb(', '').replace ('rgba(', '').replace (')', '').split (', '),
style_Add1 = document.createElement('style');
if (rgbValueArry [0] + rgbValueArry [1] + rgbValueArry [2] === "000") {
style_Add1.innerHTML = 'body {background-color: #ffffff !important;}';
document.head.appendChild(style_Add1);
}
clearInterval(timer2);
}
}, 1);
}
}
})();