mirror of https://github.com/gorhill/uBlock.git
330 lines
10 KiB
JavaScript
330 lines
10 KiB
JavaScript
/*******************************************************************************
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uBlock Origin - a browser extension to block requests.
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Copyright (C) 2022-present 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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/* jshint esversion:11 */
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'use strict';
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/******************************************************************************/
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import { browser, sendMessage } from './ext.js';
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import { dom, qs$ } from './dom.js';
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import { i18n$ } from './i18n.js';
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import { simpleStorage } from './storage.js';
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/******************************************************************************/
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const popupPanelData = {};
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const currentTab = {};
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let tabHostname = '';
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/******************************************************************************/
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function normalizedHostname(hn) {
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return hn.replace(/^www\./, '');
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}
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/******************************************************************************/
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const BLOCKING_MODE_MAX = 3;
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function setFilteringMode(level, commit = false) {
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const modeSlider = qs$('.filteringModeSlider');
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modeSlider.dataset.level = level;
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if ( qs$('.filteringModeSlider.moving') === null ) {
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dom.text(
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qs$('#filteringModeText > span:nth-of-type(1)'),
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i18n$(`filteringMode${level}Name`)
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);
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}
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if ( commit !== true ) { return; }
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commitFilteringMode();
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}
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async function commitFilteringMode() {
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if ( tabHostname === '' ) { return; }
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const targetHostname = normalizedHostname(tabHostname);
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const modeSlider = qs$('.filteringModeSlider');
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const afterLevel = parseInt(modeSlider.dataset.level, 10);
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const beforeLevel = parseInt(modeSlider.dataset.levelBefore, 10);
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if ( afterLevel > 1 ) {
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let granted = false;
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try {
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granted = await browser.permissions.request({
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origins: [ `*://*.${targetHostname}/*` ],
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});
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} catch(ex) {
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}
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if ( granted !== true ) {
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setFilteringMode(beforeLevel);
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return;
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}
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}
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dom.text(
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qs$('#filteringModeText > span:nth-of-type(1)'),
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i18n$(`filteringMode${afterLevel}Name`)
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);
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const actualLevel = await sendMessage({
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what: 'setFilteringMode',
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hostname: targetHostname,
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level: afterLevel,
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});
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if ( actualLevel !== afterLevel ) {
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setFilteringMode(actualLevel);
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}
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if ( actualLevel !== beforeLevel && popupPanelData.autoReload ) {
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browser.tabs.reload(currentTab.id);
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}
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}
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{
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let mx0 = 0;
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let mx1 = 0;
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let l0 = 0;
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let lMax = 0;
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let timer;
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const move = ( ) => {
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timer = undefined;
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const l1 = Math.min(Math.max(l0 + mx1 - mx0, 0), lMax);
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let level = Math.floor(l1 * BLOCKING_MODE_MAX / lMax);
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if ( qs$('body[dir="rtl"]') !== null ) {
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level = 3 - level;
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}
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const modeSlider = qs$('.filteringModeSlider');
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if ( `${level}` === modeSlider.dataset.level ) { return; }
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dom.text(
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qs$('#filteringModeText > span:nth-of-type(2)'),
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i18n$(`filteringMode${level}Name`)
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);
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setFilteringMode(level);
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};
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const moveAsync = ev => {
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if ( timer !== undefined ) { return; }
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mx1 = ev.pageX;
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timer = self.requestAnimationFrame(move);
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};
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const stop = ev => {
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if ( ev.button !== 0 ) { return; }
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const modeSlider = qs$('.filteringModeSlider');
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if ( dom.cl.has(modeSlider, 'moving') === false ) { return; }
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dom.cl.remove(modeSlider, 'moving');
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self.removeEventListener('mousemove', moveAsync, { capture: true });
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self.removeEventListener('mouseup', stop, { capture: true });
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dom.text(qs$('#filteringModeText > span:nth-of-type(2)'), '');
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commitFilteringMode();
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ev.stopPropagation();
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ev.preventDefault();
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if ( timer !== undefined ) {
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self.cancelAnimationFrame(timer);
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timer = undefined;
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}
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};
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const startSliding = ev => {
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if ( ev.button !== 0 ) { return; }
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const modeButton = qs$('.filteringModeButton');
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if ( ev.currentTarget !== modeButton ) { return; }
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const modeSlider = qs$('.filteringModeSlider');
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if ( dom.cl.has(modeSlider, 'moving') ) { return; }
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modeSlider.dataset.levelBefore = modeSlider.dataset.level;
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mx0 = ev.pageX;
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const buttonRect = modeButton.getBoundingClientRect();
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l0 = buttonRect.left + buttonRect.width / 2;
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const sliderRect = modeSlider.getBoundingClientRect();
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lMax = sliderRect.width - buttonRect.width ;
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dom.cl.add(modeSlider, 'moving');
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self.addEventListener('mousemove', moveAsync, { capture: true });
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self.addEventListener('mouseup', stop, { capture: true });
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ev.stopPropagation();
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ev.preventDefault();
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};
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dom.on(qs$('.filteringModeButton'), 'mousedown', startSliding);
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}
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dom.on(
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qs$('.filteringModeSlider'),
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'click',
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'.filteringModeSlider span[data-level]',
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ev => {
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const modeSlider = qs$('.filteringModeSlider');
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modeSlider.dataset.levelBefore = modeSlider.dataset.level;
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const span = ev.target;
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const level = parseInt(span.dataset.level, 10);
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setFilteringMode(level, true);
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}
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);
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dom.on(
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qs$('.filteringModeSlider'),
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'mouseenter',
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'.filteringModeSlider span[data-level]',
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ev => {
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const span = ev.target;
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const level = parseInt(span.dataset.level, 10);
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dom.text(
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qs$('#filteringModeText > span:nth-of-type(2)'),
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i18n$(`filteringMode${level}Name`)
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);
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}
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);
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dom.on(
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qs$('.filteringModeSlider'),
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'mouseleave',
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'.filteringModeSlider span[data-level]',
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( ) => {
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dom.text(qs$('#filteringModeText > span:nth-of-type(2)'), '');
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}
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);
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/******************************************************************************/
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// The popup panel is made of sections. Visibility of sections can be
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// toggled on/off.
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const maxNumberOfSections = 2;
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const sectionBitsFromAttribute = function() {
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const value = dom.body.dataset.section;
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if ( value === '' ) { return 0; }
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let bits = 0;
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for ( const c of value.split(' ') ) {
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bits |= 1 << (c.charCodeAt(0) - 97);
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}
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return bits;
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};
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const sectionBitsToAttribute = function(bits) {
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if ( typeof bits !== 'number' ) { return; }
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if ( isNaN(bits) ) { return; }
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const value = [];
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for ( let i = 0; i < maxNumberOfSections; i++ ) {
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const bit = 1 << i;
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if ( (bits & bit) === 0 ) { continue; }
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value.push(String.fromCharCode(97 + i));
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}
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dom.body.dataset.section = value.join(' ');
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};
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async function toggleSections(more) {
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let currentBits = sectionBitsFromAttribute();
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let newBits = currentBits;
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for ( let i = 0; i < maxNumberOfSections; i++ ) {
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const bit = 1 << (more ? i : maxNumberOfSections - i - 1);
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if ( more ) {
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newBits |= bit;
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} else {
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newBits &= ~bit;
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}
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if ( newBits !== currentBits ) { break; }
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}
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if ( newBits === currentBits ) { return; }
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sectionBitsToAttribute(newBits);
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simpleStorage.setItem('popupPanelSections', newBits);
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}
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simpleStorage.getItem('popupPanelSections').then(s => {
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sectionBitsToAttribute(parseInt(s, 10) || 0);
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});
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dom.on(qs$('#moreButton'), 'click', ( ) => {
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toggleSections(true);
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});
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dom.on(qs$('#lessButton'), 'click', ( ) => {
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toggleSections(false);
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});
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/******************************************************************************/
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async function init() {
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const [ tab ] = await browser.tabs.query({ active: true });
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if ( tab instanceof Object === false ) { return true; }
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Object.assign(currentTab, tab);
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let url;
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try {
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url = new URL(currentTab.url);
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tabHostname = url.hostname || '';
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} catch(ex) {
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}
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if ( url !== undefined ) {
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const response = await sendMessage({
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what: 'popupPanelData',
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origin: url.origin,
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hostname: normalizedHostname(tabHostname),
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});
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if ( response instanceof Object ) {
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Object.assign(popupPanelData, response);
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}
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}
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setFilteringMode(popupPanelData.level);
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dom.text(qs$('#hostname'), tabHostname);
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const parent = qs$('#rulesetStats');
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for ( const details of popupPanelData.rulesetDetails || [] ) {
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const div = qs$('#templates .rulesetDetails').cloneNode(true);
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dom.text(qs$('h1', div), details.name);
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const { rules, filters, css } = details;
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let ruleCount = rules.plain + rules.regex;
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if ( popupPanelData.hasOmnipotence ) {
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ruleCount += rules.removeparam + rules.redirect + rules.csp;
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}
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let specificCount = 0;
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if ( css.specific instanceof Object ) {
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specificCount += css.specific.domainBased;
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specificCount += css.specific.entityBased;
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}
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dom.text(
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qs$('p', div),
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i18n$('perRulesetStats')
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.replace('{{ruleCount}}', ruleCount.toLocaleString())
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.replace('{{filterCount}}', filters.accepted.toLocaleString())
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.replace('{{cssSpecificCount}}', specificCount.toLocaleString())
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);
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parent.append(div);
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}
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dom.cl.remove(dom.body, 'loading');
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return true;
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}
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async function tryInit() {
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try {
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await init();
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} catch(ex) {
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setTimeout(tryInit, 100);
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}
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}
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tryInit();
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/******************************************************************************/
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