KeepScrollPosition

マイページでマイリストから削除したときにスクロール位置を保持するやつ

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 or Violentmonkey 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        KeepScrollPosition
// @namespace   https://github.com/segabito/
// @description マイページでマイリストから削除したときにスクロール位置を保持するやつ
// @include     http://www.nicovideo.jp/my/mylist*
// @version     1.0.1
// @grant       none
// ==/UserScript==

// ver 1.0.1 console.log 消し忘れ

(function() {
	var monkey = (function() {

		var $ = window.jQuery, $window = $(window);

		var confirm_org = window.confirm;
		var scrollTop = null;
		window.confirm = function(msg) {
			scrollTop = null;
			if (msg !== window.messages.confirm_remove_mylist) {
				return confirm_org(msg);
			}
			var result = confirm_org(msg);
			if (result) {
				scrollTop = $window.scrollTop();
			}
			return result;
		};
		
		var remove_success = $.proxy(window.messages.remove_success, window.messages);
		window.messages.remove_success = function(params) {
			if (scrollTop !== null) {
				setTimeout(function() {
					//console.log('スクロール位置を復元: ', $window.scrollTop() , ' -> ', scrollTop)
					$window.scrollTop(scrollTop);
				}, 1000);
			}
			return remove_success(params);
		};
		
	})();

  var script = document.createElement("script");
  script.setAttribute("type", "text/javascript");
  script.setAttribute("charset", "UTF-8");
  script.appendChild(document.createTextNode("(" + monkey + ")()"));
  document.body.appendChild(script);

})();