/**

 * This class provides access to the device SMS functionality.

 * @constructor

 */

function Sms() {

}

/**

 * Sends an SMS message.

 * @param {Integer} number The phone number to send the message to.

 * @param {String} message The contents of the SMS message to send.

 * @param {Function} successCallback The function to call when the SMS message is sent.

 * @param {Function} errorCallback The function to call when there is an error sending the SMS message.

 * @param {PositionOptions} options The options for accessing the GPS location such as timeout and accuracy.

 */

Sms.prototype.send = function(number, message, successCallback, errorCallback, options) {

    try {

		if (!this.serviceObj)

			this.serviceObj = this.getServiceObj();

	    // Setup input params using dot syntax

	    var criteria = new Object();

	    criteria.MessageType = 'SMS';

	    criteria.To = number;

	    criteria.BodyText = message;

      	var result = this.serviceObj.IMessaging.Send(criteria);

    	if (result.ErrorCode != 0 && result.ErrorCode != "0")

		{

			var exception = { name: "SMSError", message: result.ErrorMessage };

			throw exception;

		} else {

			successCallback.call();

		}

    }

  	catch(ex)

  	{

		errorCallback.call({ name: "SmsError", message: ex.name + ": " + ex.message });

  	}

};

//gets the Sms Service Object from WRT

Sms.prototype.getServiceObj = function() {

	var so;

    try {

        so = device.getServiceObject("Service.Messaging", "IMessaging");

    } catch (ex) {

		throw {

			name: "SmsError",

			message: "Failed to load sms service (" + ex.name + ": " + ex.message + ")"

		};

    }		

	return so;

};

if (typeof navigator.sms == "undefined") navigator.sms = new Sms();