Steam Inventory Preview Background Button

Add preview background button to steam inventory.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Steam Inventory Preview Background Button
// @namespace    http://steamcommunity.com/profiles/76561197995708004/
// @version      1.02
// @description  Add preview background button to steam inventory.
// @author       HAC
// @match        http://steamcommunity.com/profiles/*
// @match        http://steamcommunity.com/id/*
// @grant        none
// @license      GPLv3
// ==/UserScript==

(function() {
    'use strict';

	let path = window.location.pathname.replace(/\/+/g, "/");
    if(/^\/(?:id|profiles)\/.+\/inventory/.test(path)) {
        let observer = new MutationObserver(function(mutations) {
            let activeItemInfo = iActiveSelectView; // Get iActiveSelectView from global
            inventoryAddButtonPreviewBackground(activeItemInfo);
        });
        observer.observe(document.getElementById('iteminfo0_item_name'), { childList: true });
        observer.observe(document.getElementById('iteminfo1_item_name'), { childList: true });
    } else if(/^\/(?:id|profiles)\/.+/.test(path)){
        let previewHash = window.location.hash.match(/#previewBackground\/(\d+\/[a-z0-9]+(?:\.[a-z0-9]+)?)/i);
        if (previewHash) {
            let imageUrl = window.location.protocol + '//steamcdn-a.akamaihd.net/steamcommunity/public/images/items/' + previewHash[1];
            profileChangeBackground(imageUrl);
        }
    }

    function inventoryAddButtonPreviewBackground (activeItemInfo){
        let profileUrlNodesWrapper = document.getElementById('global_actions');
        let profileUrlNodes = profileUrlNodesWrapper.getElementsByClassName('playerAvatar');
        let profileUrl = profileUrlNodes[0].href;
        let itemButtonsHolder = document.getElementById('iteminfo' + activeItemInfo + '_item_actions');
        let itemButtons = itemButtonsHolder.getElementsByTagName('a');
        let imageUrl = itemButtons[0].href;
        let imageUrlMatch = imageUrl.match(/images\/items\/(\d+\/[a-z0-9]+(?:\.[a-z0-9]+)?)/i);
        if(imageUrlMatch !== null) {
            imageUrlMatch = imageUrlMatch[1];
            let previewUrl = profileUrl + '#previewBackground/' + imageUrlMatch;

            let a = document.createElement('a');
            a.setAttribute('href', previewUrl);
            a.setAttribute('target', '_blank');
            a.classList.add('btn_small');
            a.classList.add('btn_darkblue_white_innerfade');
            itemButtonsHolder.appendChild(a);
            let span = document.createElement('span');
            span.textContent = 'Preview Background';
            a.appendChild(span);
            itemButtonsHolder.style.height = '';
        }
    }

    function profileChangeBackground(imageUrl) {
        let img = document.createElement('img');
        img.style.display = 'none';
        img.src = imageUrl;
        document.body.appendChild(img);
        img.onload = function() {
            let bgImgNodes = document.getElementsByClassName('no_header profile_page');
            for(let bgImgNode of bgImgNodes) { bgImgNode.style.backgroundImage = 'url(' + imageUrl + ')'; }
            let bgImgNodes2 = document.getElementsByClassName('profile_background_image_content');
            for(let bgImgNode2 of bgImgNodes2) { bgImgNode2.style.backgroundImage = 'url(' + imageUrl + ')'; }
            img.remove();
        };
        img.onerror = function() {
            console.log("Error: Can't load image. " + imageUrl);
            img.remove();
        };
    }
})();