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uBlock/src/js/scriptlets/cosmetic-off.js
gorhill 6c513629bf refactor content script code + add support for new :has & :xpath filters
Aside extending cosmetic filtering abilities, I expect this will
also take care of some long standing issues (I will have to find them
and mark them as "resolved" by this commit, as time allow).
2016-06-27 19:09:04 -04:00

70 lines
2.2 KiB
JavaScript

/*******************************************************************************
uBlock Origin - a browser extension to block requests.
Copyright (C) 2015-2016 Raymond Hill
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see {http://www.gnu.org/licenses/}.
Home: https://github.com/gorhill/uBlock
*/
'use strict';
/******************************************************************************/
(function() {
if ( typeof vAPI !== 'object' || typeof vAPI.domFilterer !== 'object' ) {
return;
}
var styles = vAPI.domFilterer.styleTags;
// Disable all cosmetic filtering-related styles from the DOM
var i = styles.length, style;
while ( i-- ) {
style = styles[i];
if ( style.sheet !== null ) {
style.sheet.disabled = true;
style[vAPI.sessionId] = true;
}
}
var elems = [];
try {
elems = document.querySelectorAll('[' + vAPI.domFilterer.hiddenId + ']');
} catch (e) {
}
i = elems.length;
while ( i-- ) {
var elem = elems[i];
var shadow = elem.shadowRoot;
if ( shadow === undefined ) {
style = elem.style;
if ( typeof style === 'object' || typeof style.removeProperty === 'function' ) {
style.removeProperty('display');
}
continue;
}
if (
shadow !== null &&
shadow.className === vAPI.domFilterer.shadowId &&
shadow.firstElementChild === null
) {
shadow.appendChild(document.createElement('content'));
}
}
vAPI.domFilterer.toggleOff();
})();