Adding ABP core modules to ABP/Opera

files/css.js

-const css = {
-        get: function(key) {
-                return preferences.array(key + '-content');
-        },
-        personal: function() {
-                return preferences.array('css-perso-content');
-        },
-        refresh: function() {
-                var success = true;
-                for(key in sources.css) {
-                        if(preferences.bool(key)){ //If the list is enabled, update it
-                                if(!this.update(key)) //In case of error with the update
-                                        success = false;
-                        }
-                        else //If the list is disabled, remove it
-                                this.disable(key, false);
-                }
-                //opera.extension.postMessage({request: 'ping', type: 'css'}); //Make all webpages update
-                return success;
-        },
-        time: function(key) {
-                return preferences.int(key + '-time');
-        },
-        update: function(key) {
-                //opera.postError('Update called for ' + key);
-                var value = download(sources.css[key]).replace(/\/\*(.|\n)*?\*\/(\n)?/gm, '').split('\n');
-                //opera.postError(value.join("\n"));
-                if(value instanceof Array) {
-                        preferences.array(key + '-content', value);
-                        preferences.int(key + '-time', getTime());
-                        return true;
-                }
-                else
-                        return false;
-        },
-        status: function(key) {
-                return preferences.bool(key);
-        },
-        disable: function(key, ping) { //Disables a source
-                preferences.remove(key + '-time');
-                preferences.remove(key + '-content');
-                preferences.bool(key, false);
-                if(ping)
-                        opera.extension.postMessage({request: 'ping', type: 'css'});
-                return true;
-        },
-        enable: function(key, ping) { //Enables a source
-                this.update(key);
-                preferences.bool(key, true);
-                if(ping)
-                        opera.extension.postMessage({request: 'ping', type: 'css'});
-        }
-};