Big Change Update

uBlock0.chromium/js/advanced-settings.js

@@ -0,0 +1,194 @@
+/*******************************************************************************
+
+    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);
+
+/******************************************************************************/