Google Image Search Direct Links Old Style

Replace links and click actions of the Google Image Search results with direct links to the picture, and the page link

As of 2018-03-02. See the latest version.

// ==UserScript==
// @name		Google Image Search Direct Links Old Style
// @version		1.0
// @description         Replace links and click actions of the Google Image Search results with direct links to the picture, and the page link
// @namespace	bp
// @author		Benjamin Philipp <benjamin_philipp [at - please don't spam] gmx.de>
// @include		/^https?:\/\/(www\.)*google\.[a-z\.]{2,5}\/search.*tbm=isch.*/
// @require 	http://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js
// @run-at		document-body
// @grant		GM_xmlhttpRequest
// @connect		*
// ==/UserScript==

var maxtries = 10;

var idle = true;
var disableUpdate = false;

function updatePage()
{
	if($("#directLinkStyles").length<=0){
		disableUpdate = true;
		$("head").append("\
		<style id='directLinkStyles'>\
		.linkswait{ \
			box-shadow: 0 0 20px #f00; \
			border: 2px solid #f00; \
			border-radius: 5px; \
		</style>");
		disableUpdate = false;
	}

	$(".rg_di.rg_bx a.rg_l:not(.linksdone):not([href='#'])").each(function(){
		var tp = this;
		var uriLink = $(this).parent().find("div.rg_ilmbg")[0];
		var imin = tp.href.indexOf("imgurl=");
		if(imin<0)
		{
            $(tp).attr("resTries", $(tp).attr("resTries")?$(tp).attr("resTries")*1+1:1);
            if($(tp).attr("resTries")*1>=maxtries){
                console.log("This Link won't come up with a good fragment: " + $(tp).find("img")[0].src);
                return true;
            }
			updater();
			return true;
		}
		var linkconts = tp.href.substr(imin+7);
		var piclink = linkconts.substr(0,linkconts.indexOf("&"));
		var reflink = linkconts.substr(linkconts.indexOf("imgrefurl=")+10);
		reflink = decodeURIComponent(reflink.substr(0, reflink.indexOf("&")));
		piclink = decodeURIComponent(piclink);
		disableUpdate = true;
		tp.href = piclink;
		$(tp).click(function(){
			window.open(this.href);
			return false;
		})
		$(uriLink).click(function(e){
			e.preventDefault();
			e.stopImmediatePropagation();
			window.open(reflink);
			return false;
		})
        $(this).removeClass("linkswait");
		$(this).addClass("linksdone");
		disableUpdate = false;
	});
    var notready = false;
    $(".rg_di.rg_bx a.rg_l[href='#']:not(.linksdone)").each(function(){
        notready = true;
        if(!$(this).hasClass("linkswait")){
            $(this).addClass("linkswait");
        }
    });
	if(notready){
		updater();
	}
}

function updater(t = 1000){
	if(idle)
	{
		idle = false;
		updaterequest = false;
		updatePage();
		idletimer = setTimeout(function(){
			idle = true;
			if(updaterequest)
				updatePage();
		}, t);
	}
	else
	{
		updaterequest = true;
	}
}

var bodyObserver = false;
function observeResults(){
	// console.log("observing");
	resultsObserver = new MutationObserver(updater);
	resultsObserver.observe($("#ires #rg")[0], {subtree: true, childList: true});
	if(bodyObserver !== false)
		bodyObserver.disconnect();
}


if($("#ires #rg").length>0){
	observeResults();
}
else{
	bodyObserver = new MutationObserver(function(mutations){
		if(disableUpdate || !idle){
			return;
		}
		if($("#ires #rg").length>0)
		{
			observeResults();
		}
	});
	bodyObserver.observe($("body")[0], {subtree: true, childList: true});
}

updatePage();