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Copy & Select Unlocker

Unblock text selection, copy, right-click and remove overlay blockers on all sites

目前為 2025-04-17 提交的版本，檢視 最新版本。

// ==UserScript==
// @name         Copy & Select Unlocker
// @namespace    http://shinobu-scripts.local/
// @version      2.1
// @description  Unblock text selection, copy, right-click and remove overlay blockers on all sites
// @author       Shinobu
// @match        *://*/*
// @run-at       document-end
// @license      GPLv3
// ==/UserScript==

(function() {
  'use strict';

  // Add CSS to allow text selection
  function injectSelectionStyles() {
    const css = '* { user-select: text !important; -webkit-user-select: text !important; -moz-user-select: text !important; -ms-user-select: text !important; } [style*="user-select: none"], [style*="user-select:none"] { user-select: text !important; }';
    const styleEl = document.createElement('style');
    styleEl.textContent = css;
    document.head.appendChild(styleEl);
  }

  // Remove full-page overlays
  function removeOverlays() {
    document.querySelectorAll('div, section').forEach(el => {
      const st = getComputedStyle(el);
      if ((st.position === 'fixed' || st.position === 'absolute') &&
          el.offsetWidth >= window.innerWidth * 0.9 &&
          el.offsetHeight >= window.innerHeight * 0.9) {
        el.remove();
      }
    });
  }

  // Observe and clean overlays
  function observeOverlays() {
    const obs = new MutationObserver(removeOverlays);
    obs.observe(document, { childList: true, subtree: true });
    removeOverlays();
  }

  // Restore native selection events
  function restoreEvents() {
    ['onselectstart', 'onmousedown', 'ondragstart'].forEach(evt => {
      document[evt] = null;
    });
    if (window.getSelection().empty) {
      window.getSelection().empty = () => {};
    }
  }

  // Prevent blocking handlers
  function stopPropagation(e) {
    e.stopImmediatePropagation();
  }

  // Initialise all features
  function init() {
    injectSelectionStyles();
    document.addEventListener('contextmenu', stopPropagation, true);
    document.addEventListener('selectstart', stopPropagation, true);
    document.addEventListener('copy', stopPropagation, true);
    document.addEventListener('keydown', e => {
      if ((e.ctrlKey || e.metaKey) && e.key.toLowerCase() === 'c') {
        e.stopImmediatePropagation();
      }
    }, true);
    restoreEvents();
    observeOverlays();
    console.log('Copy & Select Liberator active');
  }

  if (document.readyState === 'loading') {
    window.addEventListener('load', init);
  } else {
    init();
  }
})();