mirror of
https://github.com/gorhill/uBlock.git
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6d9bef28ff
Avoid using updateContentScripts() as it suffers from an unexpected behavior, causing injected content scripts to lose proper order at injection time. The order in which content scripts are injected is key for uBOL content scripts. Potential out of order injection was causing cosmetic filtering to be broken. Use actual storage API to persist data across service worker wake-ups and browser launches. uBOL was trying to avoid using storage API, at the cost of somewhat hacky code (using DNR API to persist settings). Make use of session storage if available, to speed up initialization of waking up the service worker (which at this point is necessary to properly implement cosmetic filtering).
125 lines
3.9 KiB
JavaScript
125 lines
3.9 KiB
JavaScript
/*******************************************************************************
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uBlock Origin - a browser extension to block requests.
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Copyright (C) 2014-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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'use strict';
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import { dom, qs$ } from './dom.js';
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/******************************************************************************/
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const discardUnsavedData = function(synchronous = false) {
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const paneFrame = qs$('#iframe');
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const paneWindow = paneFrame.contentWindow;
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if (
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typeof paneWindow.hasUnsavedData !== 'function' ||
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paneWindow.hasUnsavedData() === false
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) {
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return true;
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}
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if ( synchronous ) {
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return false;
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}
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return new Promise(resolve => {
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const modal = document.querySelector('#unsavedWarning');
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dom.cl.add(modal, 'on');
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modal.focus();
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const onDone = status => {
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dom.cl.remove(modal, 'on');
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document.removeEventListener('click', onClick, true);
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resolve(status);
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};
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const onClick = ev => {
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const target = ev.target;
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if ( target.matches('[data-i18n="dashboardUnsavedWarningStay"]') ) {
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return onDone(false);
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}
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if ( target.matches('[data-i18n="dashboardUnsavedWarningIgnore"]') ) {
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return onDone(true);
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}
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if ( modal.querySelector('[data-i18n="dashboardUnsavedWarning"]').contains(target) ) {
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return;
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}
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onDone(false);
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};
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document.addEventListener('click', onClick, true);
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});
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};
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const loadDashboardPanel = function(pane, first) {
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const tabButton = document.querySelector(`[data-pane="${pane}"]`);
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if ( tabButton === null || dom.cl.has(tabButton, 'selected') ) {
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return;
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}
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const loadPane = ( ) => {
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self.location.replace(`#${pane}`);
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for ( const node of document.querySelectorAll('.tabButton.selected') ) {
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dom.cl.remove(node, 'selected');
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}
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dom.cl.add(tabButton, 'selected');
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tabButton.scrollIntoView();
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document.querySelector('#iframe').contentWindow.location.replace(pane);
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};
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if ( first ) {
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return loadPane();
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}
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const r = discardUnsavedData();
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if ( r === false ) { return; }
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if ( r === true ) {
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return loadPane();
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}
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r.then(status => {
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if ( status === false ) { return; }
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loadPane();
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});
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};
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const onTabClickHandler = function(ev) {
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loadDashboardPanel(dom.attr(ev.target, 'data-pane'));
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};
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if ( self.location.hash.slice(1) === 'no-dashboard.html' ) {
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dom.cl.add(dom.body, 'noDashboard');
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}
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(async ( ) => {
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let pane = null;
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if ( self.location.hash !== '' ) {
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pane = self.location.hash.slice(1) || null;
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}
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loadDashboardPanel(pane !== null ? pane : 'settings.html', true);
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dom.on('#dashboard-nav', 'click', '.tabButton', onTabClickHandler);
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// https://developer.mozilla.org/en-US/docs/Web/API/Window/beforeunload_event
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window.addEventListener('beforeunload', ( ) => {
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if ( discardUnsavedData(true) ) { return; }
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event.preventDefault();
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event.returnValue = '';
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});
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})();
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/******************************************************************************/
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