Index: ext/background.js |
=================================================================== |
new file mode 100644 |
--- /dev/null |
+++ b/ext/background.js |
@@ -0,0 +1,65 @@ |
+/* |
+ * This file is part of Adblock Plus <http://adblockplus.org/>, |
+ * Copyright (C) 2006-2014 Eyeo GmbH |
+ * |
+ * Adblock Plus is free software: you can redistribute it and/or modify |
+ * it under the terms of the GNU General Public License version 3 as |
+ * published by the Free Software Foundation. |
+ * |
+ * Adblock Plus 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 Adblock Plus. If not, see <http://www.gnu.org/licenses/>. |
+ */ |
+ |
+(function() |
+{ |
+ var nonEmptyPageMaps = {__proto__: null}; |
+ var pageMapCounter = 0; |
+ |
+ var PageMap = ext.PageMap = function() |
+ { |
+ this._map = {__proto__: null}; |
+ this._id = ++pageMapCounter; |
+ }; |
+ PageMap.prototype = { |
+ _delete: function(id) |
+ { |
+ delete this._map[id]; |
+ |
+ if (Object.keys(this._map).length == 0) |
+ delete nonEmptyPageMaps[this._id]; |
+ }, |
+ get: function(page) |
+ { |
+ return this._map[page._id]; |
+ }, |
+ set: function(page, value) |
+ { |
+ this._map[page._id] = value; |
+ nonEmptyPageMaps[this._id] = this; |
+ }, |
+ has: function(page) |
+ { |
+ return page._id in this._map; |
+ }, |
+ clear: function() |
+ { |
+ for (var id in this._map) |
+ this._delete(id); |
+ }, |
+ delete: function(page) |
+ { |
+ this._delete(page._id); |
+ } |
+ }; |
+ |
+ ext._removeFromAllPageMaps = function(pageId) |
+ { |
+ for (var pageMapId in nonEmptyPageMaps) |
+ nonEmptyPageMaps[pageMapId]._delete(pageId); |
+ }; |
+})(); |