Vimeo Download

Adds a download button to the video player.
当前为 2016-03-04 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name        Vimeo Download
// @namespace   schwarztee
// @description Adds a download button to the video player.
// @include     https://vimeo.com/*
// @copyright   2015, schwarztee
// @license     MIT
// @version     0.2.2
// @grant       none
// ==/UserScript==

'use strict';

(function(){
    
    // 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()
    {
        // controller object in DOM and video element available?
        if ( window && 'vimeo' in window && find( '.video video' ) )
        {
            // try to get video metadata
            // (this can easily break if Vimeo updates their object tree)
            try
            {
                // get video ID
                var videoId = vimeo['clip_page_config']['clip']['id'];
                
                // retrieve active player properties
                var videoInfo = vimeo['clips'][videoId];
                
                // save title
                var title  = videoInfo['video']['title'];
                
                // get video file info
                // - just take the first one, should default to the highest quality
                // - yes, this is sloppy and will be replaced when I got more time
                var file = videoInfo['request']['files']['progressive'][0];
                
                // log gathered information
                console.log( "[Vimeo Download] Making download button for \""+title+"\" ("+file.quality+")" );
                
                // display the button
                makeButton( file.url, title, file.quality );
            }
            catch ( error )
            {
                // log the error
                console.error( "[Vimeo Download] Error retrieving video meta data:", error );
            }
        }
        else
        {
            // try again later
            setTimeout( setup, 500 );
        }
    }
    
    // add download button to video player controls
    function makeButton( url, title, quality )
    {
        // make valid filename from title
        var filename = title.replace( /[<>:"\/\\|?*]/g, '' ) + '.mp4';
        
        // remove old button if existing
        var oldButton = find( '.button.dwnld' );
        oldButton && oldButton.remove();
        
        // 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: 1.7em; margin: -0.4em 0 0 0.4em; color: #fff' );
        
        // apply mouseover effect
        button.onmouseenter = function() { button.style.color = 'rgb(68,187,255)'; };
        button.onmouseleave = function() { button.style.color = '#fff'; };
        
        // find control bar and add button
        find( '.play-bar' ).appendChild( button );
    }
    
    // start looking for video player
    setup();
    
})();