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/*******************************************************************************
uBlock Origin - a comprehensive, efficient content blocker
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 { dom, qs$ } from './dom.js';
/******************************************************************************/
function discardUnsavedData(synchronous = false) {
const paneFrame = qs$('#iframe');
const paneWindow = paneFrame.contentWindow;
if (
typeof paneWindow.hasUnsavedData !== 'function' ||
paneWindow.hasUnsavedData() === false
) {
return true;
}
if ( synchronous ) {
return false;
}
return new Promise(resolve => {
const modal = qs$('#unsavedWarning');
dom.cl.add(modal, 'on');
modal.focus();
const onDone = status => {
dom.cl.remove(modal, 'on');
dom.off(document, '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 ( qs$(modal, '[data-i18n="dashboardUnsavedWarning"]').contains(target) ) {
return;
}
onDone(false);
};
dom.on(document, 'click', onClick, true);
});
}
function loadDashboardPanel(pane, first) {
const tabButton = qs$(`[data-pane="${pane}"]`);
if ( tabButton === null || dom.cl.has(tabButton, 'selected') ) { return; }
const loadPane = ( ) => {
self.location.replace(`#${pane}`);
dom.cl.remove('.tabButton.selected', 'selected');
dom.cl.add(tabButton, 'selected');
tabButton.scrollIntoView();
const iframe = qs$('#iframe');
iframe.contentWindow.location.replace(pane);
if ( pane !== 'no-dashboard.html' ) {
iframe.addEventListener('load', ( ) => {
qs$('.wikilink').href = iframe.contentWindow.wikilink || '';
}, { once: true });
vAPI.localStorage.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();
});
}
function onTabClickHandler(ev) {
loadDashboardPanel(dom.attr(ev.target, 'data-pane'));
}
if ( self.location.hash.slice(1) === 'no-dashboard.html' ) {
dom.cl.add(dom.body, 'noDashboard');
}
(async ( ) => {
// Wait for uBO's main process to be ready
await new Promise(resolve => {
const check = async ( ) => {
try {
const response = await vAPI.messaging.send('dashboard', {
what: 'readyToFilter'
});
if ( response ) { return resolve(true); }
const iframe = qs$('#iframe');
if ( iframe.src !== '' ) {
iframe.src = '';
}
} catch(ex) {
}
vAPI.defer.once(250).then(( ) => check());
};
check();
});
dom.cl.remove(dom.body, 'notReady');
const results = await Promise.all([
// https://github.com/uBlockOrigin/uBlock-issues/issues/106
vAPI.messaging.send('dashboard', { what: 'dashboardConfig' }),
vAPI.localStorage.getItemAsync('dashboardLastVisitedPane'),
]);
{
const details = results[0] || {};
if ( details.noDashboard ) {
self.location.hash = '#no-dashboard.html';
dom.cl.add(dom.body, 'noDashboard');
} else if ( self.location.hash === '#no-dashboard.html' ) {
self.location.hash = '';
}
}
{
let pane = results[1] || null;
if ( self.location.hash !== '' ) {
pane = self.location.hash.slice(1) || null;
}
loadDashboardPanel(pane !== null ? pane : 'settings.html', true);
dom.on('.tabButton', 'click', onTabClickHandler);
// https://developer.mozilla.org/en-US/docs/Web/API/Window/beforeunload_event
dom.on(self, 'beforeunload', ( ) => {
if ( discardUnsavedData(true) ) { return; }
event.preventDefault();
event.returnValue = '';
});
// https://developer.mozilla.org/en-US/docs/Web/API/Window/beforeunload_event
dom.on(self, 'hashchange', ( ) => {
const pane = self.location.hash.slice(1);
if ( pane === '' ) { return; }
loadDashboardPanel(pane);
});
}
})();
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