/**

 * @author ryan

 */

function Storage() {

	this.available = true;

	this.serialized = null;

	this.items = null;

	if (!window.widget) {

		this.available = false;

		return;

	}

	var pref = window.widget.preferenceForKey(Storage.PREFERENCE_KEY);

	//storage not yet created

	if (pref == "undefined" || pref == undefined) {

		this.length = 0;

		this.serialized = "({})";

		this.items = {};

		window.widget.setPreferenceForKey(this.serialized, Storage.PREFERENCE_KEY);

	} else {

		this.serialized = pref;'({"store_test": { "key": "store_test", "data": "asdfasdfs" },})';

		this.items = eval(this.serialized);

	}

}

Storage.PREFERENCE_KEY = "phonegap_storage_pref_key";

Storage.prototype.index = function (key) {

};

Storage.prototype.getItem = function (key) {

	try {

		return this.items[key].data;

	} catch (ex) {

		return null;

	}

};

Storage.prototype.setItem = function (key, data) {

	this.items[key] = {

		"key": key,

		"data": data

	};

	this.serialize();

};

Storage.prototype.removeItem = function (key) {

	if (this.items[key]) {

		this.items[key] = undefined;

	}

	this.serialize();

};

Storage.prototype.clear = function () {

	this.serialized = "({})";

	this.items = {};

	this.serialize();

};

Storage.prototype.serialize = function() {

	var json = "";

	for (key in this.items) {

		var item = this.items[key];

		if (typeof item != "undefined") {

			json += "\"" + item.key + "\": { \"key\": \"" + item.key + "\", \"data\": \"" + item.data + "\" }, ";

		}

	}

	this.serialized = "({" + json + "})";

	window.widget.setPreferenceForKey( this.serialized, Storage.PREFERENCE_KEY);

};

if (typeof navigator.storage == "undefined" ) navigator.storage = new Storage();