Hides Avatar Images on Blackboard Collaborate
// ==UserScript==
// @name Blackboard Collaborate Hide Avatar Images
// @namespace http://userstyles.org
// @description Hides Avatar Images on Blackboard Collaborate
// @author 636597
// @include *://*bbcollab.com/collab/ui/session/join/*
// @run-at document-start
// @version 0.7
// ==/UserScript==
function hide_existing_avatars() {
try{
let avatars = document.querySelectorAll( "img.no-avatar" );
for ( let i = 0; i < avatars.length; ++i ){
avatars[ i ].src = "/collab/ui/session/21.0.7-localization.0/assets/images/avatars/no-avatar.svg";
avatars[ i ]["ng-src"] = "/collab/ui/session/21.0.7-localization.0/assets/images/avatars/no-avatar.svg";
}
let small_avatars = document.querySelectorAll( "div.avatar-image" );
for ( let i = 0; i < small_avatars.length; ++i ){
small_avatars[ i ].childNodes[ 1 ].src = "/collab/ui/session/21.0.7-localization.0/assets/images/avatars/no-avatar.svg"
}
}
catch( e ) {}
}
function add_hide_avatar_css() {
var style_sheets = window.document.styleSheets;
var override_avatar_images_rule = `img.no-avatar {
background: url( "/collab/ui/session/21.0.7-localization.0/assets/images/avatars/no-avatar.svg" ) no-repeat;
content: url("/collab/ui/session/21.0.7-localization.0/assets/images/avatars/no-avatar.svg");
!important;
}`;
for ( let i = 0; i < style_sheets.length; ++i ) {
try {
style_sheets[ i ].insertRule( override_avatar_images_rule , style_sheets[ i ].cssRules.length );
console.log( i );
return;
}
catch( e ) {};
}
}
var URL_STATE_IN_2020_INTERVAL = false;
var HIDE_AVATAR_INTERVAL = false;
var CURRENT_URL = false;
function observe_url_state() {
if ( CURRENT_URL !== window.location.href ) {
console.log( "URL State Changed" );
CURRENT_URL = window.location.href;
hide_existing_avatars();
add_hide_avatar_css();
}
}
function init() {
console.log( "Loading Blackboard Collaborate Avatar Image Hider" );
hide_existing_avatars();
add_hide_avatar_css();
URL_STATE_IN_2020_INTERVAL = setInterval( observe_url_state , 500 );
HIDE_AVATAR_INTERVAL = setInterval( hide_existing_avatars , 1000 );
}
( function() {
window.addEventListener ( "load" , init );
})();