Adds a link to open Steam content in the desktop client.
// ==UserScript==
// @name Open In Steam
// @namespace http://brooksaar.com/
// @version 0.2
// @description Adds a link to open Steam content in the desktop client.
// @author Aaron Brooks
// @match *://steamcommunity.com/*
// @match *://store.steampowered.com/*
// @grant none
// ==/UserScript==
function CreateButton(namedPage, pageId) {
var steamButton = document.createElement("a");
var buttonText = document.createTextNode("Open in Steam!");
steamButton.setAttribute("href", "steam://url/" + namedPage + pageId);
steamButton.setAttribute("class", "menuitem");
steamButton.appendChild(buttonText);
var superNav = document.getElementsByClassName("supernav_container")[0];
superNav.appendChild(steamButton);
}
// Thanks David Morales, https://stackoverflow.com/questions/11582512/how-to-get-url-parameters-with-javascript/11582513#11582513
function getURLParameter(name) {
return decodeURIComponent((new RegExp('[?|&]' + name + '=' + '([^&;]+?)(&|#|;|$)').exec(location.search)||[,""])[1].replace(/\+/g, '%20'))||null;
}
var namedPage = ""; // trailing slash important!
var pageId = "";
var currentUrl = window.location.href;
if(currentUrl.match("store.steampowered.com/app/")) {
var urlParts = currentUrl.split("/");
namedPage = "StoreAppPage/";
pageId = urlParts[4];
CreateButton(namedPage, pageId);
} else if(currentUrl.match("steamcommunity.com/sharedfiles/")) {
pageId = getURLParameter("id");
namedPage = "CommunityFilePage/";
CreateButton(namedPage, pageId);
}