Adds inline image expansion to 4chan archives.
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// ==UserScript==
// @name 4chan Archive Image Expander
// @description Adds inline image expansion to 4chan archives.
// @author Hen Tie
// @homepage http://hen-tie.tumblr.com/
// @namespace https://greasyfork.org/en/users/8336
// @include /https?:\/\/(desuarchive.org|archived.moe)\/.*\/thread\/.*/
// @grant none
// @require https://ajax.googleapis.com/ajax/libs/jquery/2.2.4/jquery.min.js
// @require https://greasyfork.org/scripts/39415-jquery-initialize/code/jQuery%20Initialize.js?version=258071
//// @icon URL
// @version 1.4
// ==/UserScript==
$(function () {
$.initialize('.init', function() {
$(this).parent().removeClass('spinner');
});
$('<style>.spinner:before{content:"";box-sizing:border-box;position:absolute;top:50%;left:50%;width:20px;height:20px;margin-top:-10px;margin-left:-10px;border-radius:50%;border-top:2px solid #CCC;border-right:2px solid transparent;animation:spinner 0.6s linear infinite}@keyframes spinner{to{transform:rotate(360deg)}}</style>').appendTo('head');
//video settings
var vidAttr = 'loop autoplay controls';
var imgCSS = {
'max-width': '100%',
'height': 'auto'
};
var webmCSS = {
'max-width': '100%',
'height': 'auto'
};
//indicate webm thumbnail
$('.post_file_filename[href$=".webm"]').parent().next().find('.post_image').css('border', '3px solid #5f89ac');
//prevent weird wrapping around expanded images
$('.theme_default .post header').css('display', 'inline-block');
$('.thread_image_box a').on('click', function (e) {
var myHref = $(this).attr('href');
var myHeight = $(this).children('img').outerHeight();
var myWidth = $(this).children('img').outerWidth();
$(this).parent().addClass('spinner').css({
'min-height': myHeight,
'min-width': myWidth,
'position': 'relative'
});
//new elements containing full size href as src
var img = $('<img />').attr({
'src': myHref,
'class': 'openItem'
}).css(imgCSS).load(function(){
$(this).addClass('init');
});
var webm = $('<video ' + vidAttr + ' id="vid"><source type="video/webm" src="' + myHref + '"/></video>').attr('class', 'openItem').css(webmCSS);
//check filetype, hide thumbnail, insert full size file
if (myHref.match(/.gif$|.png$|.jpg$/g)) {
e.preventDefault();
$(this).fadeTo('fast', 0, function () {
$(this).hide();
$(this).after(img);
});
} else if (myHref.match(/.webm$/g)) {
e.preventDefault();
$(this).hide();
$(this).after(webm);
var vid = document.getElementById("vid");
vid.onloadeddata = function() {
$(this).addClass('init');
};
} else {
console.log('"4chan Archive Image Expander"\nUnsupported filetype, please report.\nSee @homepage or @namespace for contact info.');
}
});
//on reclick, remove full size, show thumbnail again
$(document).on('click', '.openItem', function () {
$(this).prev().show().fadeTo(0, 1);
$(this).remove();
});
});