Issue 2021 - Replaced FileSystem API with chrome.storage.local

safari/ext/background.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2015 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
@@ skipping 690 matching lines @@
           {
             settings["pref:" + key] = JSON.parse(settings[key]);
           }
           catch (e)
           {
           }
 
           delete settings[key];
         }
       }
+    },
+
+    // While moving away from the FileSystem API on Chrome the data structure
+    // for files on Safari changed as well, in order to keep thing consistent.
+    migrateFiles: function(callback)
+    {
+      var settings = safari.extension.settings;
+
+      for (var key in settings)
+      {
+        var match = key.match(/^(.*)\/lastModified$/)
+
+        if (match)
+        {
+          var filename = match[1];
+          var content = settings[filename];
+
+          if (typeof content == "string")
+          {
+            settings["file:" + filename] = {
+              content: content.split(/[\r\n]+/),
+              lastModified: settings[key]
+            };
+
+            delete settings[key];
+            delete settings[filename];
+          }
+        }
+      }
+
+      callback();
     }
   };
 
   safari.extension.settings.addEventListener("change", function(event)
   {
     var changes = {};
     var change = changes[event.key] = {};
 
     if (event.oldValue != null)
       change.oldValue = event.oldValue;
@@ skipping 20 matching lines @@
         tab.activate();
         if (callback)
           callback(page);
         return;
       }
     }
 
     ext.pages.open(optionsUrl, callback);
   };
 })();