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/*******************************************************************************
uBlock Origin - a comprehensive, efficient content blocker
Copyright (C) 2016-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
*/
/* global CodeMirror, uBlockDashboard */
'use strict';
import { dom, qs$ } from './dom.js';
/******************************************************************************/
let defaultSettings = new Map();
let adminSettings = new Map();
let beforeHash = '';
/******************************************************************************/
CodeMirror.defineMode('raw-settings', function() {
let lastSetting = '';
return {
token: function(stream) {
if ( stream.sol() ) {
stream.eatSpace();
const match = stream.match(/\S+/);
if ( match !== null && defaultSettings.has(match[0]) ) {
lastSetting = match[0];
return adminSettings.has(match[0])
? 'readonly keyword'
: 'keyword';
}
stream.skipToEnd();
return 'line-cm-error';
}
stream.eatSpace();
const match = stream.match(/.*$/);
if ( match !== null ) {
if ( match[0].trim() !== defaultSettings.get(lastSetting) ) {
return 'line-cm-strong';
}
if ( adminSettings.has(lastSetting) ) {
return 'readonly';
}
}
stream.skipToEnd();
return null;
}
};
});
const cmEditor = new CodeMirror(qs$('#advancedSettings'), {
autofocus: true,
lineNumbers: true,
lineWrapping: false,
styleActiveLine: true
});
uBlockDashboard.patchCodeMirrorEditor(cmEditor);
/******************************************************************************/
const hashFromAdvancedSettings = function(raw) {
const aa = typeof raw === 'string'
? arrayFromString(raw)
: arrayFromObject(raw);
aa.sort((a, b) => a[0].localeCompare(b[0]));
return JSON.stringify(aa);
};
/******************************************************************************/
const arrayFromObject = function(o) {
const out = [];
for ( const k in o ) {
if ( o.hasOwnProperty(k) === false ) { continue; }
out.push([ k, `${o[k]}` ]);
}
return out;
};
const arrayFromString = function(s) {
const out = [];
for ( let line of s.split(/[\n\r]+/) ) {
line = line.trim();
if ( line === '' ) { continue; }
const pos = line.indexOf(' ');
let k, v;
if ( pos !== -1 ) {
k = line.slice(0, pos);
v = line.slice(pos + 1);
} else {
k = line;
v = '';
}
out.push([ k.trim(), v.trim() ]);
}
return out;
};
/******************************************************************************/
const advancedSettingsChanged = (( ) => {
const handler = ( ) => {
const changed = hashFromAdvancedSettings(cmEditor.getValue()) !== beforeHash;
qs$('#advancedSettingsApply').disabled = !changed;
CodeMirror.commands.save = changed ? applyChanges : function(){};
};
const timer = vAPI.defer.create(handler);
return function() {
timer.offon(200);
};
})();
cmEditor.on('changes', advancedSettingsChanged);
/******************************************************************************/
const renderAdvancedSettings = async function(first) {
const details = await vAPI.messaging.send('dashboard', {
what: 'readHiddenSettings',
});
defaultSettings = new Map(arrayFromObject(details.default));
adminSettings = new Map(arrayFromObject(details.admin));
beforeHash = hashFromAdvancedSettings(details.current);
const pretty = [];
const roLines = [];
const entries = arrayFromObject(details.current);
let max = 0;
for ( const [ k ] of entries ) {
if ( k.length > max ) { max = k.length; }
}
for ( let i = 0; i < entries.length; i++ ) {
const [ k, v ] = entries[i];
pretty.push(' '.repeat(max - k.length) + `${k} ${v}`);
if ( adminSettings.has(k) ) {
roLines.push(i);
}
}
pretty.push('');
cmEditor.setValue(pretty.join('\n'));
if ( first ) {
cmEditor.clearHistory();
}
for ( const line of roLines ) {
cmEditor.markText(
{ line, ch: 0 },
{ line: line + 1, ch: 0 },
{ readOnly: true }
);
}
advancedSettingsChanged();
cmEditor.focus();
};
/******************************************************************************/
const applyChanges = async function() {
await vAPI.messaging.send('dashboard', {
what: 'writeHiddenSettings',
content: cmEditor.getValue(),
});
renderAdvancedSettings();
};
/******************************************************************************/
dom.on('#advancedSettings', 'input', advancedSettingsChanged);
dom.on('#advancedSettingsApply', 'click', ( ) => {
applyChanges();
});
renderAdvancedSettings(true);
/******************************************************************************/
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