mirror of https://github.com/gorhill/uBlock.git
145 lines
4.5 KiB
JavaScript
145 lines
4.5 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 */
|
|
|
|
/******************************************************************************/
|
|
|
|
(function() {
|
|
|
|
/******************************************************************************/
|
|
|
|
var cachedUserFilters = '';
|
|
|
|
/******************************************************************************/
|
|
|
|
messaging.start('1p-filters.js');
|
|
|
|
/******************************************************************************/
|
|
|
|
// This is to give a visual hint that the content of user blacklist has changed.
|
|
|
|
function userFiltersChanged() {
|
|
uDom('#userFiltersApply').prop(
|
|
'disabled',
|
|
uDom('#userFilters').val().trim() === cachedUserFilters
|
|
);
|
|
}
|
|
|
|
/******************************************************************************/
|
|
|
|
function renderUserFilters() {
|
|
var onRead = function(details) {
|
|
if ( details.error ) {
|
|
return;
|
|
}
|
|
cachedUserFilters = details.content.trim();
|
|
uDom('#userFilters').val(details.content);
|
|
};
|
|
messaging.ask({ what: 'readUserFilters' }, onRead);
|
|
}
|
|
|
|
/******************************************************************************/
|
|
|
|
function allFiltersApplyHandler() {
|
|
messaging.tell({ what: 'reloadAllFilters' });
|
|
uDom('#userFiltersApply').prop('disabled', true );
|
|
}
|
|
|
|
/******************************************************************************/
|
|
|
|
function handleImportFilePicker() {
|
|
var fileReaderOnLoadHandler = function() {
|
|
var textarea = uDom('#userFilters');
|
|
textarea.val([textarea.val(), this.result].join('\n').trim());
|
|
userFiltersChanged();
|
|
};
|
|
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('importFilePicker');
|
|
// 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();
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
function exportUserFiltersToFile() {
|
|
chrome.downloads.download({
|
|
'url': 'data:text/plain,' + encodeURIComponent(uDom('#userFilters').val()),
|
|
'filename': 'my-ublock-filters.txt',
|
|
'saveAs': true
|
|
});
|
|
}
|
|
|
|
/******************************************************************************/
|
|
|
|
function userFiltersApplyHandler() {
|
|
var onWritten = function(details) {
|
|
if ( details.error ) {
|
|
return;
|
|
}
|
|
cachedUserFilters = details.content.trim();
|
|
userFiltersChanged();
|
|
allFiltersApplyHandler();
|
|
};
|
|
var request = {
|
|
what: 'writeUserFilters',
|
|
content: uDom('#userFilters').val()
|
|
};
|
|
messaging.ask(request, onWritten);
|
|
}
|
|
|
|
/******************************************************************************/
|
|
|
|
uDom.onLoad(function() {
|
|
// Handle user interaction
|
|
uDom('#importUserFiltersFromFile').on('click', startImportFilePicker);
|
|
uDom('#importFilePicker').on('change', handleImportFilePicker);
|
|
uDom('#exportUserFiltersToFile').on('click', exportUserFiltersToFile);
|
|
uDom('#userFilters').on('input', userFiltersChanged);
|
|
uDom('#userFiltersApply').on('click', userFiltersApplyHandler);
|
|
|
|
renderUserFilters();
|
|
});
|
|
|
|
/******************************************************************************/
|
|
|
|
// https://www.youtube.com/watch?v=UNilsLf6eW4
|
|
|
|
})();
|
|
|