Download/Share Images Faster
当前为
// ==UserScript==
// @name TweetDeck Image Assistant
// @namespace http://ejew.in/
// @version 0.2
// @description Download/Share Images Faster
// @author EntranceJew
// @match https://tweetdeck.twitter.com/*
// @require https://cdn.rawgit.com/eligrey/FileSaver.js/5ed507ef8aa53d8ecfea96d96bc7214cd2476fd2/FileSaver.min.js
// @noframes
// @grant none
// ==/UserScript==
/*
0.2 - removed debug prints, updated mimes, added video download link, instant-spice now grabs videos
0.1 - initial version
*/
(function() {
'use strict';
var wait_for_zoom_delay = 300;
var tool_icon = '<li class="tweet-action-item pull-left margin-r--13 margin-l--1">';
tool_icon += '<a class="js-show-tip tweet-action position-rel" href="#" rel="spice" title="" data-original-title="Spice It Up">';
tool_icon += '<i class="icon icon-home icon-home-toggle txt-center"></i> <span class="is-vishidden"> Spice </span>';
tool_icon += '</a> </li>';
var mime_db = {
jpeg: "image/jpeg",
jpg: "image/jpeg",
gif: "image/gif",
webp: "image/webp",
mp4: "video/mp4",
m3u8: "application/x-mpegURL",
undefined: "text/plain"
};
// http://stackoverflow.com/a/2091331
function getQueryVariable(str, variable) {
var query = str.substring(1);
var vars = query.split('&');
for (var i = 0; i < vars.length; i++) {
var pair = vars[i].split('=');
if (decodeURIComponent(pair[0]) == variable) {
return decodeURIComponent(pair[1]);
}
}
console.log('Query variable %s not found', variable);
}
function detect_mime(url){
return mime_db[ /(?:\.([^.]+))?$/.exec(url)[1] ];
}
function get_img_data( url, on_load ) {
var xhr = new XMLHttpRequest();
xhr.open("GET", url);
xhr.responseType = "blob";
xhr.onload = on_load;
xhr.send();
}
function download_now( url ){
get_img_data( url, function( e ){
var img_name = url.substring( url.lastIndexOf('/')+1 );
var the_blob = new Blob([this.response], {type: detect_mime(url)});
saveAs( the_blob, img_name.replace(/:orig$/, "") );
});
}
function nice_url( url, replacement ){
replacement = replacement || ":orig";
var bg = url;
bg = bg.replace('url(','').replace(')','').replace(/\"/gi, "");
bg = bg.replace(/:thumb$/, "");
bg = bg.replace(/:small$/, "");
bg = bg.replace(/:medium$/, "");
bg = bg.replace(/:large$/, "");
return bg;
}
setInterval(function(){
$('.stream-item:not([data-ejew])').each(function(){
var grand_dad = $( this );
/*
// for appending to the dropdown menu if we wanted that
var tool_bar = grand_dad.find('.js-dropdown-content > ul');
tool_bar.prepend('<li class="is-selectable"><a href="#" data-action="ejew">Spice it up</a></li>');
*/
// find all the images and store their links in data
var images = [];
grand_dad.find('.js-media-image-link, .js-media .media-image').each( function(i, el){
images.push( nice_url( $( el ).css('background-image'), ":orig" ) );
});
grand_dad.data('ejew-imgs', images);
// make an instance of the toolbar button
var new_tool = $( tool_icon );
new_tool.on('click', function(){
if( grand_dad.find('.is-video').length ){
// video spotted
var anchor = grand_dad.find('.js-media-image-link');
anchor.attr('target', '');
anchor.attr('src', '#');
anchor.click();
setTimeout( function(){
$('.js-embeditem').each(function(){
var iframe_src = $( this ).find( 'iframe' ).attr('src');
var vid_url = getQueryVariable( iframe_src, 'video_url' );
download_now( vid_url );
$('.icon-close').click();
});
}, wait_for_zoom_delay);
} else {
var imgs = grand_dad.data('ejew-imgs');
for( var i = 0; i < imgs.length; i++ ){
download_now( imgs[i] );
}
}
});
// attach
grand_dad.find('ul.tweet-actions > li:nth-last-child(2)').before( new_tool );
// prevent loading up this element again
grand_dad.attr('data-ejew', 'in');
});
// make it so that you can copy image source from previews
$('img.media-img:not([data-ejew])').each(function(){
$( this ).attr('src', nice_url( $( this ).attr('src') ) );
$( this ).attr('data-ejew', 'in');
});
// provide a download source link in zoomable previews for videos
$('.js-embeditem:not([data-ejew])').each(function(){
var iframe_src = $( this ).find( 'iframe' ).attr('src');
var vid_url = getQueryVariable( iframe_src, 'video_url' );
var dl_link = $( '<a href="#">Download Source</a>' );
dl_link.on('click', function(){
download_now( vid_url );
});
$(".med-origlink").after( dl_link );
$( this ).attr('data-ejew', 'in');
});
}, 300);
})();