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cutt.ly 精简页面结果

使用[Cutt URL]按钮进行缩址时，页面上只保留目前的缩址 (本脚本须搭配 cutt.ly 缩址按钮一起服用 https://greasyfork.org/scripts/401540-cutt-ly-url-shorten-button)

当前为 2020-04-22 提交的版本，查看 最新版本。

// ==UserScript==
// @name		cutt.ly compact layout
// @name:zh-TW	cutt.ly 精簡頁面結果
// @name:zh-CN	cutt.ly 精简页面结果
// @description			When shortening with [Cutt URL] button, delete every thing in the result page except the shortened URL. (this script must be used with the cutt.ly shorten button. https://greasyfork.org/scripts/401540-cutt-ly-url-shorten-button)
// @description:zh-TW	使用[Cutt URL]按钮進行縮址時，頁面上只保留目前的縮址 (本腳本須搭配 cutt.ly 縮址按鈕一起服用 https://greasyfork.org/scripts/401540-cutt-ly-url-shorten-button)
// @description:zh-CN	使用[Cutt URL]按钮进行缩址时，页面上只保留目前的缩址 (本脚本须搭配 cutt.ly 缩址按钮一起服用 https://greasyfork.org/scripts/401540-cutt-ly-url-shorten-button)
// @namespace	https://greasyfork.org/zh-TW/users/393133-evan-tseng
// @version		0.1
// @author		Evan Tseng
// @run-at		document-end
// @match		*://cutt.ly/*
// @grant		none
// ==/UserScript==

(function() {
	'use strict';
	const urlParams = new URLSearchParams(window.location.search),
		  shortenit = urlParams.get('shortenit'),
		  windowWidth = 250,
		  windowHeight = 77;

	// 精簡頁面
	const compactPage = function(){
		var shortURL = document.querySelector("#results #sortable li:first-child #link").innerText;
		document.body.innerHTML='<div style="padding:2mm; margin:0 auto; text-align:center; background:#555">'+
			'<input id="url" type="test" value="' + shortURL + '" style="width:100%; text-align:center; border-radius:5px"/><br/>'+
			'<button id="copy_btn" style="padding:0 1em; margin: 2mm 0 0">copy URL &amp; close</button></div>';
		shortURL = document.querySelector("#url");
		shortURL.select();
		document.querySelector("#copy_btn").addEventListener("click", function(){
			shortURL.select();
			document.execCommand('copy');
			window.close();
		});
	};

	// 顯示正在縮址的提示
	const displayOverlay = function(){
		window.resizeTo(windowWidth, windowHeight);
		window.moveTo((screen.width-windowWidth)/2, (screen.height-windowHeight)/5);
		document.body.style.backgroundColor = "#555";
		document.body.style.overflow = "hidden";
		var overlay = document.createElement("div");
		document.body.appendChild(overlay);
		overlay.setAttribute("style", "position:fixed; left:0; top:0; width:100vw; height:100vh; color:#ddd; background:#555; text-align:center; line-height:100vh; z-index:5");
		overlay.innerText = "Shortening...";
	};

	// 監視頁面變動來觸發精簡頁面程序
	const mo = function(){
		var target = document.body,
			config = { childList: true },
			i=0,
			observer = new MutationObserver(function(mutations) {
				if(++i > 1) {
					observer.disconnect();
					compactPage();
				}
			});
		observer.observe(target, config);
	};

	if(shortenit.length) {
		displayOverlay();
		mo();
	}
})();