replace copy flash on Discuz

Replace the "click here to copy" flash on Discuz

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

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

(I already have a user script manager, let me install it!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name              replace copy flash on Discuz
// @name:zh-CN        替换Discuz的复制flash
// @description       Replace the "click here to copy" flash on Discuz
// @description:zh-CN 替换Discuz论坛的"点此复制到剪贴板"flash
// @namespace         https://github.com/Testla
// @version           0.9.1
// @include           http*://www.tsdm.me/*
// @include           http*://www.lightnovel.cn/*
// @author            Testla
// @license           MIT License
// @compatible        firefox 57 + Greasemonkey4/Tampermonkey tested
// @compatible        chrome + Tampermonkey
// @require           https://greasemonkey.github.io/gm4-polyfill/gm4-polyfill.js
// @grant             GM.info
// @grant             GM.setClipboard
// @grant             GM_info
// @grant             GM_setClipboard
// @grant             unsafeWindow
// ==/UserScript==

(function() {
    'use strict';

    // There are two versions available,
    // the non-privileged version doesn't use privileged API
    // but doesn't support Greasemonkey 4+
    // and may be incompatible with some old browsers
    // (check https://developer.mozilla.org/en-US/docs/Web/API/document/execCommand#Browser_compatibility).
    // To switch to the non-privileged version:
    // 1. remove all @require and @grant in the header
    // 2. add @grant none to the same place
    // 3. comment out the privileged version
    // 4. uncomment the non-privileged version

    // ---------------- BEGIN PRIVILEGED VERSION ----------------
    // If you only run on Greasemonkey 4+, you can remove the @require.
    // If you need not to run on Greasemonkey 4+,
    // you can remove the @require line together with the @grant GM.*s
    // and replace all "GM." with "GM_".
    // Note that the "@grant GM_*"s are required for Tampermonkey in Chrome
    // even if the corresponding "@grant GM.*"s and gm4-polyfill already exists,
    // please let me know if you can figure out why.

    function copyAndHint(text) {
        GM.setClipboard(text);
        // showPrompt comes with Discuz
        unsafeWindow.showPrompt(null, null, 'Copied', 3000);
    }

    function setCopy(text, hint) {
        copyAndHint(text);
    }

    function copycode(code_div) {
        copyAndHint(code_div.textContent);
    }

    var greasemonkey4OrGreater = GM.info.scriptHandler == 'Greasemonkey' &&
                                 parseFloat(GM.info.version) >= 4.0;
    if (greasemonkey4OrGreater) {
        // uses Firefox-specific hack
        // https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Content_scripts
        exportFunction(copyAndHint, window, {defineAs:'copyAndHint'});
        window.eval(
            'window.setCopy = function(text, hint) { copyAndHint(text); };' +
            'window.copycode = function(code_div) { copyAndHint(code_div.textContent); };');
    } else {
        unsafeWindow.setCopy = setCopy;
        unsafeWindow.copycode = copycode;
    }
    // ---------------- END PRIVILEGED VERSION ----------------

    // ---------------- BEGIN NON-PRIVILEGED VERSION ----------------
    // var copyTextarea = document.createElement("textarea");
    // copyTextarea.style.width = "0px";
    // copyTextarea.style.height = "0px";
    // copyTextarea.style.position = "fixed";

    // // https://stackoverflow.com/questions/400212
    // function copyAndHint(text) {
    //     document.body.appendChild(copyTextarea);
    //     copyTextarea.textContent = text;
    //     copyTextarea.select();

    //     try {
    //         var successful = document.execCommand('copy');
    //         var msg = successful ? 'succeeded' : 'failed';
    //         showPrompt(null, null, 'Copy ' + msg, 3000);
    //     } catch (err) {
    //         showPrompt(null, null, 'Oops, unable to copy', 3000);
    //         console.log(err);
    //     }
    //     document.body.removeChild(copyTextarea);
    // }

    // window.setCopy = function(text, hint) {
    //     copyAndHint(text);
    // };

    // window.copycode = function(code_div) {
    //     copyAndHint(code_div.textContent);
    // };
    // ---------------- END NON-PRIVILEGED VERSION ----------------

    console.log('finished replacing Discuz\'s copy flash');
})();