Disable 'disable right click'

Disables the ugly feature that disables right click

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         Disable 'disable right click'
// @namespace    https://github.com/mosaicer
// @author       mosaicer
// @description  Disables the ugly feature that disables right click
// @version      2.0.3
// @include      *
// @run-at       document-idle
// @grant        GM_addStyle
// @license      MIT
// ==/UserScript==
(() => {
  'use strict';

  const EVENT_NAMES = [
    'oncontextmenu', 'oncopy', 'onpaste', 'onmousedown', 'onselectstart'
  ];

  const updateStyles =
    function overwriteStylesToEnableSelectElements() {
      GM_addStyle(`* {
        -ms-user-select: auto !important;
        -moz-user-select: auto !important;
        -khtml-user-select: auto !important;
        -webkit-user-select: auto !important;
        user-select: auto !important;
      }`);
    };

  const defineJQueryFunctions =
    function defineJQueryManipulatingEventsFunctionsIfJQueryAvailable() {
      try {
        $.fn.getEvents = function (eventName) {
          const events = $._data($(this)[0], 'events') || $(this).data('events');
          if (events && events[eventName]) {
            return events[eventName];
          } else {
            return [];
          }
        };

        $.fn.setEvents = function (eventName, events) {
          events.forEach(e => $(this).setEvent(eventName, e));
        };

        $.fn.setEvent = function (eventName, e) {
          if ($.isFunction($.fn.on)) {
            $(this).on(eventName, e.selector, e.data, e.handler);
          } else {
            $(this).bind(eventName, e.handler);
          }
        };

        $.fn.removeEvents = function (eventName) {
          if ($.isFunction($.fn.off)) {
            $(this).off(eventName);
          } else {
            $(this).unbind(eventName);
          }
        };

        $.fn.enableRightClick = function (eventName) {
          const events = $(this).getEvents(eventName).map(
            e => ({
              selector: e.selector,
              data: e.data,
              handler: makeHandlerReturnTrue(e.handler)
            })
          );

          $(this).removeEvents(eventName);
          $(this).setEvents(eventName, events);
        };
      } catch (e) {
        if (e instanceof ReferenceError && e.message === '$ is not defined') {
          console.info('JQuery is not available.');
        } else {
          console.error(
            `Disable 'disable right click': Unexpected exception: ${e}.`
          );
        }
      }
    };

  const replaceFalseWithTrue =
    function replaceFalseTheFunctionReturnsWithTrue(funcText) {
      const returnValue = funcText.match(
        /return[\s\(]*([^\s;\}\)]+)[\s\)]*;?\s*\}?$/
      );
      if (returnValue && eval(returnValue[1]) === false) {
        return funcText.replace(
          new RegExp(
            `(return[\\s\\(]*)${returnValue[1]}([\\s\\)]*;?\\s*\\}?)$`
          ),
          '$1 true$2'
        );
      } else {
        return funcText;
      }
    };

  const makeHandlerReturnTrue =
    function makeTheHandlerReturnTrueInsteadOfFalseIfExists(handler) {
      if (typeof handler === 'undefined' || handler === null) {
        return null;
      }

      const handlerText = handler.toString();

      let output;
      // ex: function () {return false;}
      if (handlerText.startsWith('function')) {
        output = replaceFalseWithTrue(handlerText)
          .replace(/^function\s*(\(.*?\))/, '$1 =>');
      }
      // ex: () => {return false;}
      else if (/^\(?.+?\)?\s*=>\s*\{/.test(handlerText)) {
        output = replaceFalseWithTrue(handlerText);
      }
      // ex: () => false
      else {
        output = handlerText.replace(/^(\(?.+?\)?\s*=>\s*)false$/, '$1true');
      }

      return eval(output);
    };

  const tryToEnableRightClickWithJQuery =
    function tryToEnableRightClickToTheSpecificElementByUsingJQuery(
      element, eventName
    ) {
      try {
        $(element).enableRightClick(eventName.replace('on', ''));
      } catch (e) {
        if (
          !(e instanceof ReferenceError) || e.message !== '$ is not defined'
        ) {
          console.error(
            `Disable 'disable right click': Unexpected exception: ${e}.`
          );
        }
      }
    };

  // main

  defineJQueryFunctions();

  document.querySelectorAll('*').forEach(node =>
    EVENT_NAMES.forEach(name => {
      const attr = node.getAttribute(name);

      if (attr) {
        // ex: return false;
        node.setAttribute(name, replaceFalseWithTrue(attr));
      }

      tryToEnableRightClickWithJQuery(node, name);
    })
  );

  [window, document].forEach(et =>
    EVENT_NAMES.forEach(name => {
      et[name] = makeHandlerReturnTrue(et[name]);

      tryToEnableRightClickWithJQuery(et, name);
    })
  );

  updateStyles();
})();