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uBlock/platform/mv3/extension/js/dashboard.js

136 lines
4.2 KiB
JavaScript

/*******************************************************************************
uBlock Origin - a browser extension to block requests.
Copyright (C) 2014-present Raymond Hill
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see {http://www.gnu.org/licenses/}.
Home: https://github.com/gorhill/uBlock
*/
'use strict';
/******************************************************************************/
import { simpleStorage } from './storage.js';
import { dom, qs$ } from './dom.js';
/******************************************************************************/
const discardUnsavedData = function(synchronous = false) {
const paneFrame = document.getElementById('iframe');
const paneWindow = paneFrame.contentWindow;
if (
typeof paneWindow.hasUnsavedData !== 'function' ||
paneWindow.hasUnsavedData() === false
) {
return true;
}
if ( synchronous ) {
return false;
}
return new Promise(resolve => {
const modal = document.querySelector('#unsavedWarning');
modal.classList.add('on');
modal.focus();
const onDone = status => {
modal.classList.remove('on');
document.removeEventListener('click', onClick, true);
resolve(status);
};
const onClick = ev => {
const target = ev.target;
if ( target.matches('[data-i18n="dashboardUnsavedWarningStay"]') ) {
return onDone(false);
}
if ( target.matches('[data-i18n="dashboardUnsavedWarningIgnore"]') ) {
return onDone(true);
}
if ( modal.querySelector('[data-i18n="dashboardUnsavedWarning"]').contains(target) ) {
return;
}
onDone(false);
};
document.addEventListener('click', onClick, true);
});
};
const loadDashboardPanel = function(pane, first) {
const tabButton = document.querySelector(`[data-pane="${pane}"]`);
if ( tabButton === null || tabButton.classList.contains('selected') ) {
return;
}
const loadPane = ( ) => {
self.location.replace(`#${pane}`);
for ( const node of document.querySelectorAll('.tabButton.selected') ) {
node.classList.remove('selected');
}
tabButton.classList.add('selected');
tabButton.scrollIntoView();
document.querySelector('#iframe').contentWindow.location.replace(pane);
if ( pane !== 'no-dashboard.html' ) {
simpleStorage.setItem('dashboardLastVisitedPane', pane);
}
};
if ( first ) {
return loadPane();
}
const r = discardUnsavedData();
if ( r === false ) { return; }
if ( r === true ) {
return loadPane();
}
r.then(status => {
if ( status === false ) { return; }
loadPane();
});
};
const onTabClickHandler = function(ev) {
loadDashboardPanel(ev.target.getAttribute('data-pane'));
};
if ( self.location.hash.slice(1) === 'no-dashboard.html' ) {
document.body.classList.add('noDashboard');
}
(async ( ) => {
let pane = null;
if ( self.location.hash !== '' ) {
pane = self.location.hash.slice(1) || null;
}
loadDashboardPanel(pane !== null ? pane : 'settings.html', true);
dom.on(
qs$('#dashboard-nav'),
'click',
'.tabButton',
onTabClickHandler
);
// https://developer.mozilla.org/en-US/docs/Web/API/Window/beforeunload_event
window.addEventListener('beforeunload', ( ) => {
if ( discardUnsavedData(true) ) { return; }
event.preventDefault();
event.returnValue = '';
});
})();
/******************************************************************************/