Acquired Opera AdBlock code

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'});
+        }
+};