+            case R.id.action_share_file: {
+                FileActivity act = (FileActivity)getSherlockActivity();
+                act.getFileOperationsHelper().shareFileWithLink(getFile(), act);
+                return true;
+            }
+            case R.id.action_unshare_file: {
+                FileActivity act = (FileActivity)getSherlockActivity();
+                act.getFileOperationsHelper().unshareFileWithLink(getFile(), act);
+                return true;
+            }