Hard Drop Forum Tweaks

Some tweaks on the Hard Drop Tetris forums.

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           Hard Drop Forum Tweaks
// @description    Some tweaks on the Hard Drop Tetris forums.
// @grant          GM_xmlhttpRequest
// @include        http://harddrop.com/*
// @version 0.0.1.20150301023233
// @namespace https://greasyfork.org/users/2233
// ==/UserScript==

var wnd = window
var doc = wnd.document
var loc = location
var href = loc.href

var $  = function(e, css) { if(!css) { css=e; e=doc }; return e.querySelector(css) }
var $$ = function(e, css) { if(!css) { css=e; e=doc }; return e.querySelectorAll(css) }

if(/^http:\/\/harddrop\.com\//.test(href))
{
    if(typeof users_to_hide == 'undefined')
    {
        var users_to_hide = ['USER_ID_1', 'USER_ID_2'] // add as many annoying users as you want
    }
    var len_hide = users_to_hide.length
    if(/forums/.test(href))
    {
        if(/showtopic/.test(href)) // on a forum thread page
        {
            // hide forum posts from annyoing users
            var tables = doc.getElementsByClassName('ipbtable'), len = tables.length
            for(var i=0; i<len; i++)
            {
                try
                {
                    for(var j=0; j<len_hide; j++)
                    {
                        if(tables[i].getElementsByTagName('TD')[0].getElementsByTagName('SPAN')[0].children[0].innerHTML.indexOf(users_to_hide[j])!=-1)
                        {
                            tables[i].style.cssText='display: none !important'
                        }
                    }
                }
                catch(err) {}
            }

            // hide user images, because some images are not comfortable to see
            var imgs = doc.getElementsByClassName('pic1')
            for(var i=imgs.length-1; i>=0; i--) { imgs[i].style.display = 'none' }

            // hide signatures
            var sigs = doc.getElementsByClassName('signature')
            for(var i=sigs.length-1; i>=0; i--) { sigs[i].style.display = 'none' }
        }
        else // on the forum main page
        {
            // add shoutbox, so that a user can chat with others on the current page
            var sbframe = doc.createElement('IFRAME')
            sbframe.id = 'my_sbframe'
            sbframe.src = 'http://harddrop.com/file/shout/shout.php'
            sbframe.width = 300
            sbframe.height = 570
            sbframe.frameBorder = 0
            doc.getElementById('fo_rtopics').appendChild(sbframe)

            // embed the live stream swf if it is live
            GM_xmlhttpRequest({
                method: 'GET',
                url: 'https://api.twitch.tv/kraken/streams/harddrop',
                synchronous: false,
                onload: function(response) {
                    if(JSON.parse(response.responseText).stream != null) { // is live
                        doc.getElementById('fo_rtopics').innerHTML += '<object flashvars="hostname=www.twitch.tv&channel=harddrop&auto_play=false&start_volume=25" type="application/x-shockwave-flash" wmode="opaque" allowfullscreen="true" allownetworking="true" movie="http://www.twitch.tv/widgets/live_embed_player.swf" allowscriptaccess="always" data="http://www.twitch.tv/widgets/live_embed_player.swf?channel=harddrop" width="640" height="480"</object>'
                    }
                }
            })
        }
    }
    else if(/shout/.test(href)) // in the shoutbox
    {
        if(doc.getElementById('ShoutCloud-Container')==null) { throw 'exit' }
        
        // hide images
        var imgs = doc.querySelectorAll('img')
        for(var i=imgs.length-1; i>=0; i--) { imgs[i].style.display = 'none' }

        // enable the input box
        addEventListener('load', function() {
            try{
            doc.getElementsByName('ShoutCloud-Msg')[0].disabled = false
            doc.getElementsByName('ShoutCloud-Msg')[0].value = ''
            } catch(e) {}
        }, false)

        // don't clear unsent text when unfocuing the input box
        try{
            doc.getElementsByName('ShoutCloud-Msg')[0].onblur = function() { return }
        } catch(e) {}

        // hide annoying users in the shoutbox
        var hide_users = function()
        {
            var chats = doc.getElementsByClassName('shout-msg')
            var len = chats.length
            for(var i=0; i<len; i++)
            {
                for(var j=0; j<len_hide; j++)
                {
                    if(chats[i].children[0].id.indexOf(users_to_hide[j])!=-1)
                    {
                        chats[i].style.display = 'none'
                        break
                    }
                }
            }
        }
        hide_users()
        addEventListener("DOMNodeInserted", function() { // or DOMSubtreeModified
            hide_users()
        }, false)
        
        // hide chats with only emotes
        var hide_chats_with_only_emotes = function()
        {
            var chats = doc.getElementsByClassName('shout-msg')
            var len = chats.length
            for(var i=0; i<len; i++)
            {
                if(chats[i].textContent.replace(/.+?:[0-9][0-9]?/, '').replace(/[\n\s]/g, '') == '') {
                    chats[i].style.display = 'none'
                }
            }
        }
        hide_chats_with_only_emotes()
        addEventListener("DOMNodeInserted", function() { // or DOMSubtreeModified
            hide_chats_with_only_emotes()
        }, false)
    }
}