define(function (require) {
	var EventObject = require("./EventObject.js");
	var extension = require("./extensionPort.js");

	var Storage = function () {
		var __ = this;
		var st = window.storage|| {};

		EventObject.apply(this, Array.prototype.slice.call(arguments));

		this.get = function (key) {
			return st[key] || "";
		};
		this.put = function (key, value) {
			if (typeof (value) !== 'string') {
				value = JSON.stringify(value);
			}
			st[key] = value + '';

			var messageDetail = {};
			messageDetail[key] = value;
			extension.sendMessage({ action: "setStorage", detail: messageDetail });
		};
		this.remove = function (key) {
			delete st[key];
		};
		this.obj = function (key) {
			var value = __.get(key);
			if (!value)
				return null;

			return JSON.parse(value);
		}
	};
	Storage.prototype = Object.create(EventObject);
	Storage.constructor = Storage;

	return new Storage();
});