Hide Images

Hide all Images, videos on all websites, hover to show

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

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

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         Hide Images
// @namespace    http://tampermonkey.net/
// @version      2026-05-19
// @description  Hide all Images, videos on all websites, hover to show
// @author       wcx19911123
// @match        http*://*/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=pronhub.com
// @run-at       document-start
// @grant        none
// @license      MIT
// ==/UserScript==

(function () {
    'use strict';
    const opacitySelector = "img, canvas, video, svg";
    const backGroundImageSelector = "[style*='background-image'], div, span, a, i, section, li, *:before, *:after";
    const backgroundColorSelector = "[style*='background-color'], div, span, a, section, article, aside, header, footer, button, input, textarea, select, table, tr, th, td";
    const targetAlpha = 0.15;
    const showAfter = 500;
    let hoverTimer = null;
    const css = `
        .force-hidden-image {
            opacity: 0 !important;
            /*visibility: hidden !important;*/
            transition: opacity 0.3s !important;
        }
        .force-hidden-bg {
            background-image: none !important;
        }
    `;
    const style = document.createElement('style');
    style.innerHTML = css;
    (document.head || document.documentElement).appendChild(style);

    function handleOpacity(el, toHidden) {
        if (!el || !el.matches || !el.matches(opacitySelector)) return;
        el.classList[toHidden ? 'add' : 'remove']("force-hidden-image");
    }

    function handleBGImage(el, toHidden) {
        if (!el || !el.matches || !el.matches(backGroundImageSelector)) return;
        el.classList[toHidden ? 'add' : 'remove']("force-hidden-bg");
    }

    function handleBGColor(el, toHidden) {
        if (!el || !el.matches || !el.matches(backgroundColorSelector)) return;
        if (toHidden) {
            if (el.dataset.bgModified !== 'true') {
                const currentBg = window.getComputedStyle(el).backgroundColor;
                if (currentBg && currentBg !== 'transparent' && currentBg !== 'rgba(0, 0, 0, 0)') {
                    const matches = currentBg.match(/\d+/g);
                    if (matches && matches.length >= 3) {
                        el.dataset.originalBg = currentBg;
                        const [r, g, b] = [...matches];
                        el.dataset.newBg = `rgba(${r}, ${g}, ${b}, ${targetAlpha})`;
                        el.style.setProperty('background-color', el.dataset.newBg, 'important');
                        el.dataset.bgModified = 'true';
                    }
                }
            } else if (el.dataset.newBg) {
                el.style.setProperty('background-color', el.dataset.newBg, 'important');
            }
        } else if (el.dataset.originalBg) {
            el.style.setProperty('background-color', el.dataset.originalBg, 'important');
        }
    }

    function handleTree(root = document.body, toHidden) {
        if (!root || !root.matches || !root.querySelectorAll) return;
        const handleList = function (selector, handleFunc) {
            let list = [...root.querySelectorAll(selector)];
            if (root.matches(selector)) list.unshift(root);
            list.forEach(el => handleFunc(el, toHidden) || hover2Show(el));
        };
        handleList(opacitySelector, handleOpacity);
        handleList(backGroundImageSelector, handleBGImage);
        handleList(backgroundColorSelector, handleBGColor);
    }

    window.addEventListener('load', () => handleTree(document.body, true));

    const observer = new MutationObserver(mutations => {
        mutations.forEach(mutation => {
            if (mutation.type === 'childList') {
                mutation.addedNodes.forEach(node => handleTree(node, true));
            } else if (mutation.type === 'attributes' && mutation.target.dataset.bgModified !== 'true') {
                handleBGColor(mutation.target, true);
            }
        });
    });
    observer.observe(document.documentElement, {
        childList: true,
        subtree: true,
        attributes: true,
        attributeFilter: ['class', 'style'],
    });

    function hover2Show(el) {
        if (!el || !el.matches || el.dataset.addedHover2Show === 'true') return;
        el.dataset.addedHover2Show = 'true';
        el.addEventListener('mouseenter', e => {
            e.stopPropagation();
            clearTimeout(hoverTimer);
            hoverTimer = setTimeout(() => {
                if (el.matches(opacitySelector)) handleOpacity(el, false);
                if (el.matches(backGroundImageSelector)) handleBGImage(el, false);
                if (el.matches(backgroundColorSelector)) handleBGColor(el, false);
            }, showAfter);
        });
        el.addEventListener('mouseleave', e => {
            e.stopPropagation();
            clearTimeout(hoverTimer);
            if (el.matches(opacitySelector)) handleOpacity(el, true);
            if (el.matches(backGroundImageSelector)) handleBGImage(el, true);
            if (el.matches(backgroundColorSelector)) handleBGColor(el, true);
        });
    }
})();