switch to mobile version on facebook video page

When you open a video in facebook, you're redirected to mobile version so that it can play in HTML5 player

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Greasemonkey 油猴子Violentmonkey 暴力猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Violentmonkey 暴力猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Userscripts ,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

/* This program is free software. It comes without any warranty, to
 * the extent permitted by applicable law. You can redistribute it
 * and/or modify it under the terms of the Do What The Fuck You Want
 * To Public License, Version 2, as published by Sam Hocevar. See
 * http://www.wtfpl.net/ for more details. */

// ==UserScript==
// @name switch to mobile version on facebook video page
// @namespace http://rboci.blogspot.com/
// @description When you open a video in facebook, you're redirected to mobile version so that it can play in HTML5 player
// @match https://www.facebook.com/*
// @run-at document-start
// @version 0.0.9
// @license WTFPL
// @resource LICENSE https://raw.github.com/LouCypher/userscripts/master/licenses/WTFPL/LICENSE.txt
// ==/UserScript==  

// match 4 types of URLs (relative and absolute):
//  https://www.facebook.com/mavikocaelicomtr/videos/836587179720780/
//  https://www.facebook.com/video.php?v=10152484650042694
//  /mavikocaelicomtr/videos/836587179720780/
//  /video.php?v=10152484650042694
var videoURLRe = /(?:www.facebook.com|^)\/(?:video\.php\?v=|[^\/]+\/videos\/).+/;

if (videoURLRe.test(content.document.location.href)) {
  var target = content.document.location.href.replace("www.facebook", "m.facebook");
  window.location.replace(target)
}

// install a hook that will redirect us if a link to video is clicked
// possible alternative approaches (so I do not forget):
//   http://stackoverflow.com/a/6390389/520567 - using timer to check current URL
//   http://stackoverflow.com/a/7381436/520567 - proxy the pushState() method
if (document.addEventListener ){
  document.addEventListener("click", function(event) {
    var targetElement = event.target || event.srcElement;
    // TODO: support deeper search for parent element with a href attribute
    var href = targetElement.getAttribute('href') || targetElement.parentElement.getAttribute('href') ;
    if (href && videoURLRe.test(href)) {
      var target = "";
      if (href.indexOf("/") == 0) {
        target = "https://m.facebook.com" + href
      } else {
        target = href.replace("www.facebook", "m.facebook");
      }
      window.location.assign(target);
    }   
  }, true);
}