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hides all chat except that of the OfficialParagonBot
// ==UserScript==
// @name Twitch OfficialParagonBot filter
// @description hides all chat except that of the OfficialParagonBot
// @author Trylobot
// @namespace twitch
// @include /^https?://www\.twitch\.tv/[a-zA-Z0-9_]+$/
// @version 1.0.1
// @grant none
// ==/UserScript==
window.onload = function() {
/* helper functions */
var uniq = function(str) {
var seen = {};
return str.filter(function(item) {
return seen.hasOwnProperty(item) ? false : (seen[item] = true);
});
};
/* objects */
/* Bucket */
var Bucket = function(size) {
this.maxSize = size;
this.currentSize = 0;
this.array = [];
};
Bucket.prototype.add = function(elem) {
if (this.currentSize < this.maxSize) {
this.array.push(elem);
this.currentSize++;
return;
}
this.array.shift();
this.array.push(elem);
};
Bucket.prototype.contains = function(elem) {
return this.array.indexOf(elem) != -1;
};
/* * Message */
var Message = function(object) {
this.object = object;
this.parse(object);
};
Message.prototype.parse = function(object) {
this.from = $(".from", object).text();
this.content = $(".message", object).text().trim();
this.emoticons = this.parseEmoticons($(".emoticon", object));
this.badges = this.parseBadges($(".badge", object));
};
Message.prototype.parseEmoticons = function(object) {
var parsed = [];
object.each(function() {
parsed.push($(this).attr("alt"));
});
return parsed;
};
Message.prototype.parseBadges = function(object) {
var parsed = [];
object.each(function() {
parsed.push($(this).attr("class").split(" ").slice(3)[0]);
});
return parsed;
};
Message.prototype.show = function() {
$(this.object).addClass("filtered");
return $(this.object).show();
};
Message.prototype.remove = function() {
return $(this.object).remove();
};
/* * MessageHandler */
var MessageHandler = function() {
this.filtered = 0;
this.kept = 0;
this.filteredBox = null;
this.filterBoxActive = false;
this.whiteHandlers = []; // the message is shown if one hadnler returns true
this.blackHandlers = []; // the message is filtered if one handler returns false
};
MessageHandler.prototype.init = function() {
};
MessageHandler.prototype.handleMessage = function(message) {
for (var i = 0, max = this.whiteHandlers.length; i < max; i++) {
if (this.whiteHandlers[i](message) === true) {
return true;
}
}
for (i = 0, max = this.blackHandlers.length; i < max; i++) {
if (this.blackHandlers[i](message) === false) {
return false;
}
}
return true;
};
MessageHandler.prototype.registerHandler = function(type, handler) {
if (!this.hasOwnProperty(type)) {
return false;
}
this[type].push(handler);
return true;
};
function renderFilterBox(f,k) {
return (f ? (''+f+' filtered <br>') : '')+
(k ? ('<b>'+k+' kept</b>') : '');
}
MessageHandler.prototype.createFilterBox = function() {
this.filteredBox = $("<p class='filterbox' title='spam count'></p>");
if ($("body").append(this.filteredBox)) {
this.filteredBox[0].innerHTML = renderFilterBox(this.filtered, this.kept);
this.filterBoxActive = true;
}
};
MessageHandler.prototype.incFilterCount = function() {
if (!this.filterBoxActive)
this.createFilterBox();
this.filtered++;
this.filteredBox[0].innerHTML = renderFilterBox(this.filtered, this.kept);
};
MessageHandler.prototype.incKeptCount = function() {
if (!this.filterBoxActive)
this.createFilterBox();
this.kept++;
this.filteredBox[0].innerHTML = renderFilterBox(this.filtered, this.kept);
};
/* whiteHandlers */
var whitelist = [
function() { return $(".js-username").text(); }
];
var whitelistHandler = function(message) {
for (var i = 0, max = whitelist.length; i < max; i++) {
if (message.from == (typeof whitelist[i] === "function" ? whitelist[i]() : whitelist[i])) {
return true;
}
}
if (message.from === "") { // admin messages leave username blank
return true;
}
return false;
};
/* blackHandlers */
var isOfficialParagonBotHandler = function(message) {
return (message.from == "OfficialParagonBot");
};
/* code */
var hideMessages = function() {
$("head").append("<style>.chat-line { display:none !important; }</style>");
$("head").append("<style>.chat-line.filtered { display:list-item !important; }</style>");
$("head").append("<style>.filterbox { position:absolute; top:0px; right:10px; line-height:1em; z-index:100; mix-blend-mode: difference; color: rgb(0,255,255); font-weight: lighter;} </style>");
};
var messageHandler = new MessageHandler();
var whiteHandlers = [
whitelistHandler
];
var blackHandlers = [
isOfficialParagonBotHandler
];
messageHandler.init();
for (var i = 0, max = whiteHandlers.length; i < max; i++) {
messageHandler.registerHandler("whiteHandlers", whiteHandlers[i]);
}
for (i = 0, max = blackHandlers.length; i < max; i++) {
messageHandler.registerHandler("blackHandlers", blackHandlers[i]);
}
hideMessages();
setInterval(function() {
var messages = $(".chat-line").not(".filtered");
messages.each(function() {
var message = new Message(this);
if (messageHandler.handleMessage(message)) {
message.show();
messageHandler.incKeptCount();
} else {
message.remove();
messageHandler.incFilterCount();
}
});
}, 200);
};