Play with MPV

使用 mpv 播放

通过 mpv 和 youtube-dl 播放网页上的视频和歌曲
当前为 2020-11-19 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name                Play with mpv
// @name:en-US          Play with mpv
// @name:zh-CN          使用 mpv 播放
// @name:zh-TW          使用 mpv 播放
// @description         Play website videos and songs with mpv & youtube-dl
// @description:en-US   Play website videos and songs with mpv & youtube-dl
// @description:zh-CN   通过 mpv 和 youtube-dl 播放网页上的视频和歌曲
// @description:zh-TW   通過 mpv 和 youtube-dl 播放網頁上的視頻和歌曲
// @namespace           play-with-mpv-handler
// @version             2020.11.19
// @author              Akatsuki Rui
// @license             MIT License
// @grant               GM_info
// @run-at              document-idle
// @noframes
// @match               *://www.youtube.com/*
// @match               *://www.bilibili.com/video/*
// ==/UserScript==
 
"use strict";
 
const MATCH_URLS = ["www.youtube.com/watch", "www.bilibili.com/video/"];
 
function appendButton() {
  let head = document.getElementsByTagName("head")[0];
  let body = document.getElementsByTagName("body")[0];
  let style = document.createElement("style");
  let buttonIframe = document.createElement("iframe");
  let button = document.createElement("a");
 
  if (head) {
    style.innerHTML =
      ".play-with-mpv{position:fixed;left:12px;bottom:12px;width:48px;height:48px;border:0;border-radius:50%;background-size:100%;background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat}";
    head.appendChild(style);
  }
 
  if (body) {
    buttonIframe.name = "play-with-mpv";
    buttonIframe.style = "display: none";
    body.appendChild(buttonIframe);
 
    button.className = "play-with-mpv";
    button.style = "display: none";
    button.target = "play-with-mpv";
    button.addEventListener("click", () => {
      let videoElement = document.getElementsByTagName("video")[0];
 
      videoElement.paused ? null : videoElement.pause();
    });
    body.appendChild(button);
 
    changeButton(location.href);
  }
}
 
function changeButton(currentUrl) {
  let isMatch = false;
  let button = document.getElementsByClassName("play-with-mpv")[0];
 
  for (const element of MATCH_URLS) {
    if ((isMatch = currentUrl.includes(element))) break;
  }
 
  if (button) {
    button.style = isMatch ? "display: inline-block" : "display: none";
    button.href = isMatch ? "mpv://" + btoa(currentUrl) : "";
  }
}
 
function detectPJAX() {
  let previousUrl = null;
 
  setInterval(() => {
    let currentUrl = location.href;
 
    if (currentUrl && previousUrl !== currentUrl) {
      changeButton(currentUrl);
      previousUrl = currentUrl;
    }
  }, 500);
}
 
appendButton();
detectPJAX();
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