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163 Music MediaMetadata

在网易云音乐 Web 版上启用 MediaSession 支持

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

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You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

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回复【脚本】获取最新教程和防失联地址

// ==UserScript==
// @name         163 Music MediaMetadata
// @version      1.0
// @description  在网易云音乐 Web 版上启用 MediaSession 支持
// @match        *://music.163.com/*
// @include      *://music.163.com/*
// @author       864907600cc
// @icon         https://secure.gravatar.com/avatar/147834caf9ccb0a66b2505c753747867
// @run-at       document-end
// @grant        none
// @namespace    http://ext.ccloli.com
// ==/UserScript==

'use strict';

/* globals CryptoJS, MediaMetadata */

(() => {
	if (!navigator.mediaSession || typeof MediaMetadata === 'undefined') {
		console.log('The browser doesn\'t support MediaSession');
		return;
	}

	/**
	 * document.querySelector
	 *
	 * @param {string} selector - 选择器
	 * @returns {Node|null} 节点
	 */
	const $ = (selector) => document.querySelector(selector);

	/**
	 * 获取缩放后的图片 URL
	 *
	 * @param {string} url - 图片 URL
	 * @param {number} [size] - 图片缩放尺寸
	 * @returns {string} 缩放后的图片 URL
	 */
	const getResizedPicUrl = (url, size) => {
		return `${url}${size ? `?param=${size}y${size}` : ''}`;
	};

	/**
	 * 获取图片完整 URL
	 *
	 * @param {number|string} id - 文件 ID
	 * @returns {string} 图片 URL
	 */
	const getPicUrl = (id) => {
		const key = '3go8&$8*3*3h0k(2)2';
		const idStr = `${id}`;
		const idStrLen = idStr.length;
		const token = idStr.split('').map((e, i) => {
			return String.fromCharCode(e.charCodeAt(0) ^ key.charCodeAt(i % idStrLen));
		}).join('');
		const result = CryptoJS.MD5(token).toString(CryptoJS.enc.Base64)
			.replace(/\/|\+/g, match => ({
				'/': '_',
				'+': '-'
			})[match]);
		return `https://p1.music.126.net/${result}/${idStr}.jpg`;
	};

	/**
	 * 从播放列表中生成对应曲目的 metadata
	 *
	 * @param {number} id - 歌曲 ID
	 * @returns {object} metadata 数据内容
	 */
	const getSongMetadata = (id) => {
		let result;
		try {
			const playlist = JSON.parse(localStorage.getItem('track-queue'));
			const item = playlist.find(e => e.id === +id);
			if (item) {
				const album = item.album || {};
				result = {
					title: item.name,
					artist: (item.artists || []).map(e => e.name).join('/'),
					album: album.name,
					artwork: [{
						src: getResizedPicUrl(album.picUrl || getPicUrl(album.pic_str || album.pic), 160),
						sizes: '160x160',
						type: 'image/jpeg'
					}, {
						src: getResizedPicUrl(album.picUrl || getPicUrl(album.pic_str || album.pic), 320),
						sizes: '320x320',
						type: 'image/jpeg'
					}, {
						src: getResizedPicUrl(album.picUrl || getPicUrl(album.pic_str || album.pic), 480),
						sizes: '480x480',
						type: 'image/jpeg'
					}]
				};
			}
		} catch (err) {
			console.log(err);
		}

		return result;
	};

	/**
	 * 从页面内 DOM 生成 metadata(不含专辑名)
	 *
	 * @returns {object} metadata 数据内容
	 */
	const generateCurrentMetadata = () => {
		const coverUrl = $('.m-playbar .head > img').getAttribute('src').split('?').shift();
		return {
			title: $('.m-playbar .words .name').getAttribute('title'),
			artist: $('.m-playbar .words .by > span').getAttribute('title'),
			artwork: [{
				src: getResizedPicUrl(coverUrl),
				sizes: '160x160',
				type: 'image/jpeg'
			}, {
				src: getResizedPicUrl(coverUrl),
				sizes: '320x320',
				type: 'image/jpeg'
			}, {
				src: getResizedPicUrl(coverUrl),
				sizes: '480x480',
				type: 'image/jpeg'
			}]
		};
	};

	/**
	 * 设置 metadata 到 mediaSession 上
	 *
	 * @param {object} [data] - metadata 数据
	 */
	const setMetadata = (data) => {
		if (data) {
			navigator.mediaSession.metadata = new MediaMetadata(data);
		}
		else {
			navigator.mediaSession.metadata = null;
		}
	};

	/**
	 * 更新当前曲目的 media metadata
	 *
	 */
	const updateCurrent = () => {
		const id = ($('.m-playbar .words .name').getAttribute('href').match(/\?id=(\d+)/) || [])[1];
		if (id) {
			const data = getSongMetadata(id) || generateCurrentMetadata();
			setMetadata(data);
		}
	};

	/**
	 * 处理客户端播放面板操作回调
	 *
	 */
	const setActionHandler = () => {
		navigator.mediaSession.setActionHandler('previoustrack', () => {
			$('.m-playbar .btns .prv').click();
		});
		navigator.mediaSession.setActionHandler('nexttrack', () => {
			$('.m-playbar .btns .nxt').click();
		});
	};

	/**
	 * 初始化函数
	 *
	 */
	const init = () => {
		if ($('.m-playbar')) {
			// 使用 animation 事件监听可能会覆盖其他使用相同方法处理的脚本,改用 MutationObserver
			const observer = new MutationObserver((mutations) => {
				if (mutations && mutations[0]) {
					updateCurrent();
				}
			});

			observer.observe($('.m-playbar .words'), {
				attributes: true, childList: true, subtree: true
			});

			setActionHandler();
			updateCurrent();
		}
	};

	init();
})();