uBlock/src/js/settings.js

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/*******************************************************************************
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 vAPI, uDom */
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/******************************************************************************/
(function() {
'use strict';
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/******************************************************************************/
var messager = vAPI.messaging.channel('settings.js');
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/******************************************************************************/
var exportToFile = function() {
var onUserDataReady = function(userData) {
if (!userData) {
return;
}
var now = new Date();
var filename = vAPI.i18n('aboutBackupFilename')
.replace('{{datetime}}', now.toLocaleString())
.replace(/ +/g, '_');
vAPI.download({
'url': 'data:text/plain;charset=utf-8,' + encodeURIComponent(JSON.stringify(userData, null, ' ')),
'filename': filename
});
};
messager.send({ what: 'getUserData' }, onUserDataReady);
};
/******************************************************************************/
var handleImportFilePicker = function() {
var fileReaderOnLoadHandler = function() {
var userData;
try {
userData = JSON.parse(this.result);
if ( typeof userData !== 'object' ) {
throw 'Invalid';
}
if ( typeof userData.userSettings !== 'object' ) {
throw 'Invalid';
}
if ( typeof userData.netWhitelist !== 'string' ) {
throw 'Invalid';
}
if ( typeof userData.filterLists !== 'object' ) {
throw 'Invalid';
}
}
catch (e) {
userData = undefined;
}
if ( userData === undefined ) {
window.alert(vAPI.i18n('aboutRestoreDataError'));
return;
}
var time = new Date(userData.timeStamp);
var msg = vAPI.i18n('aboutRestoreDataConfirm')
.replace('{{time}}', time.toLocaleString());
var proceed = window.confirm(msg);
if ( proceed ) {
messager.send({ 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 = vAPI.i18n('aboutResetDataConfirm');
var proceed = window.confirm(msg);
if ( proceed ) {
messager.send({ what: 'resetUserData' });
}
};
/******************************************************************************/
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var changeUserSettings = function(name, value) {
messager.send({
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what: 'userSettings',
name: name,
value: value
});
};
/******************************************************************************/
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// TODO: use data-* to declare simple settings
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var onUserSettingsReceived = function(details) {
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uDom('#collapse-blocked')
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.prop('checked', details.collapseBlocked === true)
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.on('change', function(){
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changeUserSettings('collapseBlocked', this.checked);
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});
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uDom('#icon-badge')
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.prop('checked', details.showIconBadge === true)
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.on('change', function(){
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changeUserSettings('showIconBadge', this.checked);
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});
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uDom('#context-menu-enabled')
.prop('checked', details.contextMenuEnabled === true)
.on('change', function(){
changeUserSettings('contextMenuEnabled', this.checked);
});
uDom('#advanced-user-enabled')
.prop('checked', details.advancedUserEnabled === true)
.on('change', function(){
changeUserSettings('advancedUserEnabled', this.checked);
});
uDom('#experimental-enabled')
.prop('checked', details.experimentalEnabled === true)
.on('change', function(){
changeUserSettings('experimentalEnabled', this.checked);
});
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uDom('#export').on('click', exportToFile);
uDom('#import').on('click', startImportFilePicker);
uDom('#reset').on('click', resetUserData);
uDom('#restoreFilePicker').on('change', handleImportFilePicker);
};
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/******************************************************************************/
uDom.onLoad(function() {
messager.send({ what: 'userSettings' }, onUserSettingsReceived);
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});
/******************************************************************************/
})();