uBlock/js/3p-filters.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 chrome, $ */
/******************************************************************************/
(function() {
/******************************************************************************/
var userListName = chrome.i18n.getMessage('1pPageName');
var cachedUserUbiquitousBlacklistedHosts = '';
var cachedUserUbiquitousWhitelistedHosts = '';
var selectedBlacklistsHash = '';
/******************************************************************************/
messaging.start('lists.js');
var onMessage = function(msg) {
switch ( msg.what ) {
case 'loadUbiquitousBlacklistCompleted':
renderBlacklists();
selectedBlacklistsChanged();
break;
default:
break;
}
};
messaging.listen(onMessage);
/******************************************************************************/
function getµb() {
return chrome.extension.getBackgroundPage().µBlock;
}
/******************************************************************************/
function renderNumber(value) {
// TODO: localization
if ( +value > 1000 ) {
value = value.toString();
var i = value.length - 3;
while ( i > 0 ) {
value = value.slice(0, i) + ',' + value.slice(i);
i -= 3;
}
}
return value;
}
/******************************************************************************/
// TODO: get rid of background page dependencies
function renderBlacklists() {
// empty list first
$('#blacklists .blacklistDetails').remove();
var µb = getµb();
$('#3pListsOfBlockedHostsPrompt2').text(
chrome.i18n.getMessage('3pListsOfBlockedHostsPrompt2')
.replace('{{ubiquitousBlacklistCount}}', renderNumber(µb.abpFilters.getFilterCount()))
);
// Assemble a pretty blacklist name if possible
var prettifyListName = function(blacklistTitle, blacklistHref) {
if ( blacklistHref === µb.userFiltersPath ) {
return userListName;
}
if ( !blacklistTitle ) {
return blacklistHref;
}
if ( blacklistHref.indexOf('assets/thirdparties/') !== 0 ) {
return blacklistTitle;
}
var matches = blacklistHref.match(/^assets\/thirdparties\/([^\/]+)/);
if ( matches === null || matches.length !== 2 ) {
return blacklistTitle;
}
var hostname = matches[1];
var domain = µb.URI.domainFromHostname(hostname);
if ( domain === '' ) {
return blacklistTitle;
}
var html = [
blacklistTitle,
' <i>(<a href="http://',
hostname,
'" target="_blank">',
domain,
'</a>)</i>'
];
return html.join('');
};
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var listStatsTemplate = chrome.i18n.getMessage('3pListsOfBlockedHostsPerListStats');
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var blacklists = µb.remoteBlacklists;
var ul = $('#blacklists');
var keys = Object.keys(blacklists);
var i = keys.length;
var blacklist, blacklistHref;
var liTemplate = $('#blacklistTemplate .blacklistDetails').first();
var li, child, text;
while ( i-- ) {
blacklistHref = keys[i];
blacklist = blacklists[blacklistHref];
li = liTemplate.clone();
child = $('input', li);
child.prop('checked', !blacklist.off);
child = $('a', li);
child.attr('href', encodeURI(blacklistHref));
child.html(prettifyListName(blacklist.title, blacklistHref));
child = $('span', li);
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text = listStatsTemplate
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.replace('{{used}}', !blacklist.off && !isNaN(+blacklist.entryUsedCount) ? renderNumber(blacklist.entryUsedCount) : '0')
.replace('{{total}}', !isNaN(+blacklist.entryCount) ? renderNumber(blacklist.entryCount) : '?')
;
child.text(text);
ul.prepend(li);
}
$('#parseAllABPHideFilters').attr('checked', µb.userSettings.parseAllABPHideFilters === true);
$('#ubiquitousParseAllABPHideFiltersPrompt2').text(
chrome.i18n.getMessage("listsParseAllABPHideFiltersPrompt2")
.replace('{{abpHideFilterCount}}', renderNumber(µb.abpHideFilters.getFilterCount()))
);
selectedBlacklistsHash = getSelectedBlacklistsHash();
}
/******************************************************************************/
// Create a hash so that we know whether the selection of preset blacklists
// has changed.
function getSelectedBlacklistsHash() {
var hash = '';
var inputs = $('#blacklists .blacklistDetails > input');
var i = inputs.length;
var entryHash;
while ( i-- ) {
entryHash = $(inputs[i]).prop('checked').toString();
hash += entryHash;
}
// Factor in whether ABP filters are to be processed
hash += $('#parseAllABPHideFilters').prop('checked').toString();
return hash;
}
/******************************************************************************/
// This is to give a visual hint that the selection of blacklists has changed.
function selectedBlacklistsChanged() {
$('#blacklistsApply').attr(
'disabled',
getSelectedBlacklistsHash() === selectedBlacklistsHash
);
}
/******************************************************************************/
function blacklistsApplyHandler() {
var newHash = getSelectedBlacklistsHash();
if ( newHash === selectedBlacklistsHash ) {
return;
}
// Reload blacklists
var switches = [];
var lis = $('#blacklists .blacklistDetails');
var i = lis.length;
var path;
while ( i-- ) {
path = $(lis[i]).children('a').attr('href');
switches.push({
location: path,
off: $(lis[i]).children('input').prop('checked') === false
});
}
messaging.tell({
what: 'reloadAllFilters',
switches: switches
});
$('#blacklistsApply').attr('disabled', true );
}
/******************************************************************************/
function abpHideFiltersCheckboxChanged() {
messaging.tell({
what: 'userSettings',
name: 'parseAllABPHideFilters',
value: $(this).is(':checked')
});
selectedBlacklistsChanged();
}
/******************************************************************************/
window.addEventListener('load', function() {
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// Handle user interaction
$('#blacklists').on('change', '.blacklistDetails', selectedBlacklistsChanged);
$('#blacklistsApply').on('click', blacklistsApplyHandler);
$('#parseAllABPHideFilters').on('change', abpHideFiltersCheckboxChanged);
renderBlacklists();
});
/******************************************************************************/
})();