mirror of
https://github.com/gorhill/uBlock.git
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86 lines
2.6 KiB
JavaScript
86 lines
2.6 KiB
JavaScript
/*******************************************************************************
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uBlock - a browser extension to block requests.
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Copyright (C) 2015 Raymond Hill
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see {http://www.gnu.org/licenses/}.
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Home: https://github.com/gorhill/uBlock
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*/
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/* global vAPI, HTMLDocument, XMLDocument */
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/******************************************************************************/
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(function() {
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'use strict';
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/******************************************************************************/
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// https://github.com/gorhill/uBlock/issues/464
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if ( document instanceof HTMLDocument === false ) {
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// https://github.com/chrisaljoudi/uBlock/issues/1528
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// A XMLDocument can be a valid HTML document.
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if (
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document instanceof XMLDocument === false ||
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document.createElement('div') instanceof HTMLDivElement === false
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) {
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return;
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}
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}
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// This can happen
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if ( typeof vAPI !== 'object' ) {
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//console.debug('cosmetic-survey.js > vAPI not found');
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return;
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}
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/******************************************************************************/
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// Insert all cosmetic filtering-related style tags in the DOM
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var injectedSelectors = [];
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var filteredElementCount = 0;
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var reProperties = /\s*\{[^}]+\}\s*/;
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var i;
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var styles = vAPI.styles || [];
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i = styles.length;
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while ( i-- ) {
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injectedSelectors = injectedSelectors.concat(styles[i].textContent.replace(reProperties, '').split(/\s*,\n\s*/));
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}
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if ( injectedSelectors.length !== 0 ) {
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filteredElementCount = document.querySelectorAll(injectedSelectors.join(',')).length;
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}
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/******************************************************************************/
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var localMessager = vAPI.messaging.channel('scriptlets');
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localMessager.send({
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what: 'liveCosmeticFilteringData',
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pageURL: window.location.href,
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filteredElementCount: filteredElementCount
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}, function() {
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localMessager.close();
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});
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/******************************************************************************/
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})();
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/******************************************************************************/
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