☰

Vimeo Embed Download

Adds a download button to the embed Vimeo video player. This is a fork of "Vimeo Download" originally created by schwarztee (https://greasyfork.org/es/scripts/16497-vimeo-download).

当前为 2019-12-30 提交的版本，查看 最新版本。

// ==UserScript==
// @name        Vimeo Embed Download
// @namespace   Violentmonkey Scripts
// @description Adds a download button to the embed Vimeo video player. This is a fork of "Vimeo Download" originally created by schwarztee (https://greasyfork.org/es/scripts/16497-vimeo-download).
// @match       https://player.vimeo.com/video/*
// @author      AleixDev
// @copyright   2015, schwarztee
// @license     MIT
// @version     0.2.5
// @grant       none
// ==/UserScript==

// Not working on GreaseMonkey cause of a bug with iframes (https://github.com/greasemonkey/greasemonkey/issues/2574),
// so I recommend Violentmonkey instead.

(function(){

    'use strict';

    // helper: find DOM element
    function find( selector ) { return document.querySelector( selector ); }

    // wait for player to be ready and set up periodic video check
    function setup()
    {
      // Variable to find in the script
      var strMatch = "var config = ";
      
      // Get the script where is the video metadata saved
      var scriptCode = document.body.children[1].innerHTML;
      
      // Find the metadata script variable
      var strConfig = scriptCode.match(new RegExp(strMatch + ".+", "g"));

      // controller object in DOM and video element available?
      if ( find( '.player video' ) && strConfig !== null)
      {

        // try to get video metadata
        // (this can easily break if Vimeo updates their object tree)
        try
        {
          // Parse the metadata variable
          var strJsonConfig = strConfig[0].replace(strMatch, "").replace(/;$/, "");
          var videoInfo = JSON.parse(strJsonConfig);

          // save title
          var title  = videoInfo.video.title;

          // get streams
          var streams = videoInfo.request.files.progressive;

          // sort streams descending by video resolution
          streams.sort( function compare( streamA, streamB )
          {
              // compare width property
              return streamB.width - streamA.width;
          });

          // get video file info
          // - just take the first one with the highest quality
          // - this will be replaced when I got more time
          var file = streams[0];

          // make download button
          var button = makeButton( file.url, title, file.quality );

          // regularly check that button is in control bar
          // yes, that's dirty, but Vimeo replaces the player UI somewhen after loading
          setInterval( function()
          {

            // find control bar
            var playBar = find( '.player .play-bar' );

            // remove any old button if existing
            var oldButton = find( '.button.dwnld' );
            oldButton && oldButton.remove();

            // add new button
            playBar.appendChild( button );

          }, 500 );
        }
        catch ( error )
        {
            // log the error
            console.error( "[Vimeo Download] Error retrieving video meta data:", error );
        }
      }
      else
      {
          // try again later
          setTimeout( setup, 500 );
      }
      
    }

    // create download button
    function makeButton( url, title, quality )
    {
        // make valid filename from title
        var filename = title.replace( /[<>:"\/\\|?*]/g, '' ) + '.mp4';

        // create new button
        var button = document.createElement( 'a' );
        button.href = url;
        button.target = '_blank';
        button.download = filename;
        button.innerHTML = "⥥";
        button.title = "Download " + quality;
        button.setAttribute( 'class', "button dwnld" );
        button.setAttribute( 'style', 'display: inline-block; font-size: 1.75em; margin: -0.25em 0 0 0.3em; color: #fff' );

        // apply mouseover effect
        button.onmouseenter = function() { button.style.color = 'rgb(68,187,255)'; };
        button.onmouseleave = function() { button.style.color = '#fff'; };

        // return DOM object
        return button;
    }

    // start looking for video player
    setup();

})();