mirror of
https://github.com/gorhill/uBlock.git
synced 2024-08-31 16:19:39 +02:00
193 lines
5.8 KiB
JavaScript
193 lines
5.8 KiB
JavaScript
/*******************************************************************************
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µBlock - a Chromium browser extension to block requests.
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Copyright (C) 2014 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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/******************************************************************************/
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/******************************************************************************/
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(function() {
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/******************************************************************************/
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/******************************************************************************/
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var stats;
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/******************************************************************************/
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/******************************************************************************/
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// https://github.com/gorhill/httpswitchboard/issues/345
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messaging.start('popup.js');
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/******************************************************************************/
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formatNumber = function(count) {
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if ( typeof count !== 'number' ) {
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return '';
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}
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var s = count.toFixed(0);
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if ( count >= 1000 ) {
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if ( count < 10000 ) {
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s = s.slice(0,1) + '.' + s.slice(1,3) + 'K';
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} else if ( count < 100000 ) {
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s = s.slice(0,2) + '.' + s.slice(2,3) + 'K';
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} else if ( count < 1000000 ) {
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s = s.slice(0,3) + 'K';
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} else if ( count < 10000000 ) {
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s = s.slice(0,1) + '.' + s.slice(1,3) + 'M';
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} else if ( count < 100000000 ) {
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s = s.slice(0,2) + '.' + s.slice(2,3) + 'M';
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} else if ( count < 1000000000 ) {
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s = s.slice(0,3) + 'M';
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} else {
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s = s.slice(0,-9) + 'G';
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}
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}
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return s;
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};
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/******************************************************************************/
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var hasClassName = function(elem, className) {
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var re = new RegExp('(^| )' + className + '( |$)', 'g');
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return re.test(elem.className);
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};
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var toggleClassName = function(elem, className, newState) {
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var re = new RegExp('(^| )' + className + '( |$)', 'g');
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var currentState = re.test(elem.className);
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if ( newState === undefined ) {
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newState = !currentState;
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}
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if ( newState !== currentState ) {
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if ( newState ) {
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elem.className += ' ' + className;
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} else {
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elem.className = elem.className.replace(re, '').trim();
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}
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}
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};
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/******************************************************************************/
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var renderStats = function() {
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if ( !stats || !document.getElementById('switch') ) {
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return;
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}
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var blocked = stats.pageBlockedRequestCount;
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var total = stats.pageAllowedRequestCount + blocked;
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var elem = document.getElementById('page-blocked');
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if ( total === 0 ) {
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elem.innerHTML = '0';
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} else {
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elem.innerHTML = [
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formatNumber(blocked),
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'<span class="dim"> or ',
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(blocked * 100 / total).toFixed(0),
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'%</span>'
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].join('');
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}
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blocked = stats.globalBlockedRequestCount;
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total = stats.globalAllowedRequestCount + blocked;
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elem = document.getElementById('total-blocked');
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if ( total === 0 ) {
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elem.innerHTML = '0';
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} else {
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elem.innerHTML = [
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formatNumber(blocked),
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'<span class="dim"> or ',
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(blocked * 100 / total).toFixed(0),
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'%</span>'
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].join('');
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}
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toggleClassName(
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document.querySelector('#switch .fa'),
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'off',
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stats.pageURL === '' || !stats.netFilteringSwitch
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);
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};
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/******************************************************************************/
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var onStatsReceived = function(details) {
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stats = details;
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renderStats();
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};
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/******************************************************************************/
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var onTabsReceived = function(tabs) {
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if ( tabs.length === 0 ) {
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return;
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}
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var q = {
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what: 'stats',
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tabId: tabs[0].id
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};
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messaging.ask( q, onStatsReceived );
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};
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chrome.tabs.query({ active: true }, onTabsReceived);
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/******************************************************************************/
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var handleNetFilteringSwitch = function() {
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if ( !stats || !stats.pageURL ) {
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return;
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}
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toggleClassName(this, 'off');
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messaging.tell({
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what: 'toggleNetFiltering',
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hostname: stats.pageHostname,
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state: !hasClassName(this, 'off'),
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tabId: stats.tabId
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});
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};
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/******************************************************************************/
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var renderHeader = function() {
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var hdr = document.getElementById('version');
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hdr.innerHTML = hdr.innerHTML + 'v' + chrome.runtime.getManifest().version;
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};
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/******************************************************************************/
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var installEventHandlers = function() {
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document.querySelector('#switch .fa').addEventListener('click', handleNetFilteringSwitch);
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};
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/******************************************************************************/
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// Make menu only when popup html is fully loaded
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window.addEventListener('load', function() {
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renderHeader();
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renderStats();
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installEventHandlers();
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});
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/******************************************************************************/
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})();
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