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Robin Enhancement Script

Highlight mentions, make link clickable, use channels & automatically remove spam

目前為 2016-04-03 提交的版本,檢視 最新版本

// ==UserScript==
// @name         Robin Enhancement Script
// @namespace    https://www.reddit.com/
// @version      1.8.1
// @description  Highlight mentions, make link clickable, use channels & automatically remove spam
// @author       mr_bag
// @match        https://www.reddit.com/robin*
// @grant        none
// ==/UserScript==
(function() {

	// Grab users username + play nice with RES
	var robin_user = $("#header-bottom-right .user a").first().text();
	var ignored_users = {};

	// for spam counter - very important i know :P
	var blocked_spam_el = null;
	var blocked_spam = 0;

	/**
	 * Check if a message is "spam"
	 */
	var is_spam = function(line){
		return (
			// Hide auto vote messages
			(/^voted to (grow|stay|abandon)/.test(line)) ||
			// random unicode?
			(/[\u0080-\uFFFF]/.test(line)) ||
			// hide any auto voter messages
			(/\[.*autovoter.*\]/.test(line)) ||
			// Common bots
			(/^(\[binbot\]|\[robin-grow\])/.test(line)) ||
			// repeating chars in line (more than 5). e.g. aaaaaaa !!!!!!!!
			(/(.)\1{5,}/.test(line)) ||
			// Some common messages
			(/(voting will end in approximately|\[i spam the most used phrase\]|\[message from creator\])/.test(line)) ||
			// no spaces = spam if its longer than 25 chars (dont filter links)
			(line.indexOf(" ") === -1 && line.length > 25 && line.indexOf("http") === -1) ||
			// repeating same word
			/(\b\S+\b)\s+\b\1\b/i.test(line)
		);
	};

	/**
	 * Check if a message is from an ignored user
	 *
	 */
	var is_ignored = function($usr, $ele){
		// no user name, go looking for when said it
		if($usr.length === 0){
			while($usr.length === 0){
				$ele = $ele.prev();
				$usr = $ele.find(".robin--username");
			}
		}
		// are they ignored?
		return (ignored_users[$usr.text()]);
	};

	/**
	 * Make links clickable
	 *
	 */
	var auto_link = function($msg){
		var text = $msg.html(); // read as html so stuff stays escaped
		// normal links
		text = text.replace(/\b(?:https?|ftp):\/\/[a-z0-9-+&@#\/%?=~_|!:,.;]*[a-z0-9-+&@#\/%=~_|]/gim, '<a target="blank" href="$&">$&</a>');
		// reddit subreddit links
		text = text.replace(/ \/r\/(\w+)/gim, ' <a target="blank" href="https://reddit.com/r/$1">/r/$1</a>');
		// update text
		$msg.html(text);
	};

	/**
	 * Mute a user
	 */
	var _mute_user = function(usr){
		// Add to ignore list
		ignored_users[usr] = true;
		_render_muted_list();
	};

	/**
	 * un-mute a user
	 */
	var _unmute_user = function(usr){
		// Add to ignore list
		delete ignored_users[usr];
		_render_muted_list();
	};

	// Render list of ignored users
	var _render_muted_list = function(){
		var html = "<strong>Ignored users</strong><br>";
		for(var u in ignored_users){
			html += "<div data-usr='"+ u + "'>" + u + " - [unmute]</div>";
		}
		$("#muted_users").html(html);
	};

	// Scroll chat back to bottom
	var _scroll_to_bottom = function(){
		$("#robinChatWindow").scrollTop($("#robinChatMessageList").height());
	};

	var update_spam_count = function(){
		blocked_spam++;
		blocked_spam_el.innerHTML = blocked_spam;
	}

	/**
	 * Parse a link and apply changes
	 */
	var parse_line = function($ele){
		var $msg = $ele.find(".robin-message--message");
		var $usr = $ele.find(".robin--username");

		var line = $msg.text().toLowerCase();

		// If user is ignored or message looks like "Spam". hide it
		if (is_ignored($usr, $ele) || is_spam(line)) {
			$ele.addClass("spam-hidden");
			update_spam_count();
		}

		// Highlight mentions
		if(line.indexOf(robin_user) !== -1){
			$ele.css("font-weight", "bold");
		}

		// Make links clickable
		if(line.indexOf("http") !== -1){
			auto_link($msg);
		}

		// Add mute button to users
		if(!$ele.hasClass("robin--user-class--system") && $usr.text() != robin_user){
			$("<span style='font-size:.8em;cursor:pointer'> [mute] </span>").insertBefore($usr).click(function(){
				_mute_user($usr.text());
			});
		}

		// Add filter support
		if(line.indexOf("%") === 0){ $ele.addClass("filter-percent");}
		if(line.indexOf("$") === 0){ $ele.addClass("filter-dollar");}
		if(line.indexOf("#") === 0){ $ele.addClass("filter-hash"); }
		if(line.indexOf("~") === 0){ $ele.addClass("filter-tilde"); }
		if(line.indexOf("^") === 0){ $ele.addClass("filter-hat"); }
	};

	// Detect changes, are parse the new message
	$("#robinChatWindow").on('DOMNodeInserted', function(e) {
		if ($(e.target).is('div.robin-message')) {
			// Apply changes to line
			parse_line($(e.target));
		}
	});

	// When everything is ready
	$(document).ready(function(){
		// Set default spam filter type
		$("#robinChatWindow").addClass("hide-spam");

		// Add checkbox to toggle "hide" behaviors
		$("#robinDesktopNotifier").append("<label><input type='checkbox' checked='checked'>Hide spam completely (<span id='spamcount'>0</span> removed)</label>").click(function(){
			if($(this).find("input").is(':checked')){
				$("#robinChatWindow").removeClass("mute-spam").addClass("hide-spam");
			}else{
				$("#robinChatWindow").removeClass("hide-spam").addClass("mute-spam");
			}
			// correct scroll after spam filter change
			_scroll_to_bottom();
		});

		blocked_spam_el = $("#spamcount")[0];

		// Add Muted list & hook up unmute logic
		$('<div id="muted_users" class="robin-chat--sidebar-widget robin-chat--notification-widget"><strong>Ignored users</strong></div>').insertAfter($("#robinDesktopNotifier"));
		$('#muted_users').click(function(e){
			var user = $(e.target).data("usr");
			if(user) _unmute_user(user);
		});

		// Hook up toggles for filters
		$('<div id="filter_mode">Filter: <span data-filter="*">Show all</span> | <span data-filter="%">% Only</span> | <span data-filter="$">$ Only</span> | <span data-filter="#"># Only</span> |  <span data-filter="~">~ Only</span> | <span data-filter="^">^ Only</span> | <span data-filter="hide">No channels</span></div>').insertAfter("#robinSendMessage").click(function(e){
			var filter = $(e.target).data("filter");

			if(filter === '*'){
				// Show all
				$("#robinChatWindow").removeClass("filter_on").removeAttr("data-filter").removeClass("filter_all_channels");
			}else if(filter === 'hide'){
				// Hide any channel conversations
				$("#robinChatWindow").removeClass("filter_on").removeAttr("data-filter").addClass("filter_all_channels");
			}else{
				// apply a filter
				$("#robinChatWindow").addClass("filter_on").attr("data-filter", filter);
			}
			// correct scroll after filter change
			_scroll_to_bottom();
		});
		// Auto append % when in filtered mode
		$("#robinSendMessage").submit(function(){
			if($("#robinChatWindow").hasClass("filter_on")){
				if($(".text-counter-input").val().indexOf("/") !== 0){ // /commands should work as normal
					$(".text-counter-input").val($("#robinChatWindow").attr("data-filter") + " " + $(".text-counter-input").val());
				}
			}
		});
	});

	// filter styles
	document.styleSheets[0].insertRule("#robinChatWindow.filter_on div.robin-message { display:none; }", 0);
	document.styleSheets[0].insertRule("#robinChatWindow.filter_on[data-filter='$'] div.robin-message.filter-dollar,#robinChatWindow.filter_on[data-filter='%'] div.robin-message.filter-percent,#robinChatWindow.filter_on[data-filter='#'] div.robin-message.filter-hash,#robinChatWindow.filter_on[data-filter='~'] div.robin-message.filter-tilde,#robinChatWindow.filter_on[data-filter='^'] div.robin-message.filter-hat,#robinChatWindow.filter_on div.robin-message.robin--user-class--system  { display:block; }", 0);
	document.styleSheets[0].insertRule("#robinChatWindow.filter_all_channels div.robin-message.filter-dollar,#robinChatWindow.filter_all_channels div.robin-message.filter-hash, #robinChatWindow.filter_all_channels div.robin-message.filter-percent,#robinChatWindow.filter_all_channels div.robin-message.filter-tilde,#robinChatWindow.filter_all_channels div.robin-message.filter-hat { display:none; }", 0);

	document.styleSheets[0].insertRule("#filter_mode span { cursor: pointer;}", 0);

	// Add initial styles for "spam" messages
	document.styleSheets[0].insertRule("#robinChat #robinChatWindow.hide-spam div.robin-message.spam-hidden { display:none; }", 0);
	document.styleSheets[0].insertRule("#robinChat #robinChatWindow.mute-spam div.robin-message.spam-hidden { opacity:0.3; font-size:1.2em; }", 0);

	// muted user box
	document.styleSheets[0].insertRule("#muted_users { font-size:1.2em; }", 0);
	document.styleSheets[0].insertRule("#muted_users div { padding: 2px 0; }", 0);
	document.styleSheets[0].insertRule("#muted_users strong { font-weight:bold; }", 0);

	// FIX RES nightmode (ish)
	document.styleSheets[0].insertRule(".res-nightmode #robinChatWindow div.robin-message { color: #ccc; }", 0);
})();