client-share-web/0.2.3/scripts/storage.js

52 строки
1.4 KiB
JavaScript

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Raindrop.
*
* The Initial Developer of the Original Code is
* Mozilla Messaging, Inc..
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* */
/*jslint indent: 2 */
/*global define: false, localStorage: false */
"use strict";
define([], function () {
var store = localStorage, type = 'localStorage';
//Capability detect for localStorage. At least one add-on does weird things
//with it.
try {
store.tempVar = 'temp';
//Test reading.
if (store.tempVar === 'temp') {}
//Test deletion.
delete store.tempVar;
} catch (e) {
//Just use a simple in-memory object. Not as nice, but code will still work.
store = {};
type = 'memory';
}
function storage() {
return store;
}
storage.type = type;
return storage;
});