DeviantArt gallery - block images from selected artists
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// ==UserScript==
// @name DeviantBlocker
// @namespace brandrock.co.za
// @author Peter Brand
// @description DeviantArt gallery - block images from selected artists
// @license GNU GPLv3
// @include http://www.deviantart.com/
// @include http://www.deviantart.com/?*
// @include http://browse.deviantart.com/*
// @include http://www.deviantart.com/browse/*
// @include https://www.deviantart.com/
// @include https://www.deviantart.com/?*
// @include https://browse.deviantart.com/*
// @include https://www.deviantart.com/browse/*
// @version 1.3
// @grant GM_getValue
// @grant GM_setValue
// @run-at document-end
// ==/UserScript==
// @grant GM_log
(function() {
var blacklist = GM_getValue('DAGbl', '|');
var thumbs = document.getElementsByTagName('IMG');
//scan all IMG elements that have a data-src attribute (seems unique to gallery images)
for(var i = thumbs.length; i--;) {
var img = thumbs[i];
if (img.getAttribute('data-src')){
var div = img.parentNode;
//walk up parents to find the container div that has the user name and id
while (!(div.tagName == 'DIV' && div.getAttribute('userid')>'')) {
div = div.parentNode;
}
//save the name and id, use id to block as name can change
var username = div.getAttribute('username');
var userid = div.getAttribute('userid');
//create a button on the page to toggle the state of the artist
var elem = document.createElement('button');
elem.type = 'button';
elem.userid = userid;
img.userid = userid;
elem.title = 'Click to hide/show images from this artist';
elem.innerHTML = username;
var useridD = '|' + userid + '|'
if (blacklist.indexOf(useridD) > -1){
imgHide(img);
elem.isBlocked = true;
} else {
elem.isBlocked = false;
}
elem.addEventListener('click', function(){
artistToggle(this);
});
catSpan = div.querySelector(".category");
catSpan.parentNode.insertBefore(elem, catSpan);
}
}
function artistToggle(button) {
//show or hide the images for this artist
if (button.isBlocked){
//remove from blacklist string - could have used an array, but string is fast enough
blacklist = blacklist.replace(button.userid + '|', '');
GM_setValue('DAGbl', blacklist);
//scan page for all images for this artist and show them
for(var i = thumbs.length; i--;) {
var img = thumbs[i];
if(img.userid == button.userid){
imgShow(img);
}
}
button.isBlocked = false;
} else {
//add to blacklist
blacklist = blacklist + button.userid + '|';
GM_setValue('DAGbl', blacklist);
//scan page for all images for this artist and hide them
for(var i = thumbs.length; i--;) {
var img = thumbs[i];
if(img.userid == button.userid){
imgHide(img);
}
}
button.isBlocked = true;
}
}
function imgHide(img){
//opacity is used so that the image can still trap mouseover/out
//setting style.visibilty does not detect mouse
img.style.opacity = '0.05';
img.addEventListener('mouseover', function (){
this.style.opacity = '1';
}, false);
img.addEventListener('mouseout', function (){
this.style.opacity = '0.05';
}, false);
}
function imgShow(img){
//show the image and remove the anoymous events
//it is assumed that our events are the first in the list (true for now until DA decides differently)
img.style.opacity = '1';
var fn = getEventListeners(img.mouseover[0].listener);
if (fn) img.removeEventListener('mouseover', fn, false);
fn = getEventListeners(img.mouseout[0].listener);
if (fn) img.removeEventListener('mouseout', fn, false);
}
})();