uBlock/js/about.js

113 lines
3.6 KiB
JavaScript

/*******************************************************************************
µBlock - a Chromium browser extension to block requests.
Copyright (C) 2014 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
*/
/* global chrome, messaging, uDom */
/******************************************************************************/
uDom.onLoad(function() {
/******************************************************************************/
messaging.start('about.js');
/******************************************************************************/
var exportToFile = function() {
var onUserDataReady = function(userData) {
chrome.downloads.download({
'url': 'data:text/plain,' + encodeURIComponent(JSON.stringify(userData)),
'filename': 'ublock-backup.txt',
'saveAs': true
});
};
messaging.ask({ what: 'getUserData' }, onUserDataReady);
};
/******************************************************************************/
var handleImportFilePicker = function() {
var fileReaderOnLoadHandler = function() {
var userData;
try {
userData = JSON.parse(this.result);
}
catch (e) {
}
if ( userData === undefined ) {
return;
}
var time = new Date(userData.timeStamp);
var msg = chrome.i18n
.getMessage('aboutRestoreDataConfirm')
.replace('{{time}}', time.toLocaleString());
var proceed = window.confirm(msg);
if ( proceed ) {
messaging.tell({ what: 'restoreUserData', userData: userData });
}
};
var file = this.files[0];
if ( file === undefined || file.name === '' ) {
return;
}
if ( file.type.indexOf('text') !== 0 ) {
return;
}
var fr = new FileReader();
fr.onload = fileReaderOnLoadHandler;
fr.readAsText(file);
};
/******************************************************************************/
var startImportFilePicker = function() {
var input = document.getElementById('restoreFilePicker');
// Reset to empty string, this will ensure an change event is properly
// triggered if the user pick a file, even if it is the same as the last
// one picked.
input.value = '';
input.click();
};
/******************************************************************************/
var resetUserData = function() {
var msg = chrome.i18n.getMessage('aboutResetDataConfirm');
var proceed = window.confirm(msg);
if ( proceed ) {
messaging.tell({ what: 'resetUserData' });
}
};
/******************************************************************************/
uDom('#aboutVersion').html(chrome.runtime.getManifest().version);
uDom('#export').on('click', exportToFile);
uDom('#import').on('click', startImportFilePicker);
uDom('#reset').on('click', resetUserData);
uDom('#restoreFilePicker').on('change', handleImportFilePicker);
/******************************************************************************/
});