googlesearchnavigation.user.js

googlejk.user.js

// ==UserScript==
// @id             GoogleJK
// @name           GoogleJK
// @namespace      http://jacky.seezone.net/googlejk
// @description    use j,k to jump to different google search result focus
// @include        http*://www.google.com*/search?*
// ==/UserScript==

GM_addStyle("li.g.active{border-left:3px solid #AAA; padding-left: 5px;}");

function findSibling(dir /*previous,next*/, li){
	var target = li[dir+'Sibling'];
	if(target.tagName && target.tagName.toLowerCase() == 'li'){
		return target;
	}
	return null;
}

function jump(dir){
	var li = document.querySelector("li.g.active");
	if(li) li.className = li.className.replace(/ active /, '');
	var target = !li
		? document.querySelector("li.g")
		: findSibling(dir, li) || li;
	target.className = target.className + ' active ';
	var a = target.getElementsByTagName('a')[0];
	if(a) a.focus();
}

function navKey(ev){
	if(ev.altKey || ev.ctrlKey || ev.shiftKey || /input|textarea/.test(ev.target.tagName.toLowerCase())) return;
	var key = String.fromCharCode(ev.keyCode ||ev.which);
	if(key == 'j' || key == 'k'){
		jump(key == 'j'?'next':'previous');
	}
}


document.addEventListener('keypress', navKey, true);