mirror of
https://github.com/gorhill/uBlock.git
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78 lines
2.6 KiB
JavaScript
78 lines
2.6 KiB
JavaScript
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/*******************************************************************************
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uBlock Origin - a browser extension to block requests.
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Copyright (C) 2017 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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'use strict';
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// For content pages
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/******************************************************************************/
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(function() {
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if ( typeof vAPI !== 'object' ) { return; }
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vAPI.userCSS = {
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_userCSS: '',
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_disabled: false,
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_send: function(toRemove, toAdd) {
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vAPI.messaging.send('vapi-background', {
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what: 'userCSS',
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toRemove: toRemove,
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toAdd: toAdd
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});
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},
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add: function(cssText) {
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if ( cssText === '' ) { return; }
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var before = this._userCSS,
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after = before;
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if ( after !== '' ) { after += '\n'; }
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after += cssText;
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this._userCSS = after;
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if ( this._disabled ) { return; }
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this._send(before, after);
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},
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remove: function(cssText) {
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if ( cssText === '' || this._userCSS === '' ) { return; }
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var before = this._userCSS,
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after = before;
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after = before.replace(cssText, '').trim();
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this._userCSS = after;
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if ( this._disabled ) { return; }
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this._send(before, after);
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},
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toggle: function(state) {
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if ( state === undefined ) {
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state = this._disabled;
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}
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if ( state !== this._disabled ) { return; }
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this._disabled = !state;
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if ( this._userCSS === '' ) { return; }
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var toAdd, toRemove;
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if ( state ) {
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toAdd = this._userCSS;
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} else {
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toRemove = this._userCSS;
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}
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this._send(toRemove, toAdd);
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}
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};
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vAPI.hideNode = vAPI.unhideNode = function(){};
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})();
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