alexdodonov / mezon-social-network

function check_login_status(Popup, Handler) {

	return (function() {

		if (Popup.closed) {

			Handler()

		} else {

			setTimeout(check_login_status(Popup, Handler), 100)

		}

	})

}

/**

 * Method calculates screen's center

 */ 

function screen_center_pos(PopUpWidth, PopUpHeight)

{

	var Width = $(window).width()

	var Height = $(window).height()

	return({

		x : (Width/2 - PopUpWidth/2) , 

		y : (Height/2 - PopUpHeight/2)

	})

}

/**

 * Open login pop up

 * 

 * @param URL

 *            Login url

 * @param Title

 *            Popup title

 * @param Handler

 *            OnLogin handler

 */

function open_popup(URL, Title, Handler) {

	return (function() {

		var PopupWidth = Math.min($(window).width(), 800)

		var PopupHeight = Math.min($(window).height(), 600)

		var Pos = screen_center_pos(PopupWidth, PopupHeight)

		var Params = "width=" + PopupWidth + ",height=" + PopupHeight + ",toolbar=0,scrollbars=0,status=0,resizable=0,location=0,menuBar=0,left=" + Pos.x + ",top=" + Pos.y

		var Popup = window.open(URL, Title, Params)

		setTimeout(check_login_status(Popup, Handler), 2000)

		Popup.focus()

	})

}

/**

 * Setup login pop up

 * 

 * @param $Button

 *            Trigger button

 * @param URL

 *            Login url

 * @param Title

 *            Popup title

 * @param Handler

 *            OnLogin handler

 */

function setup_social_media_login_popup($Button, URL, Title, Handler) {

	$Button.click(open_popup(URL, Title, Handler));

}