// timeoutFrame.js
// Uses a <span id="timeoutframe"></span> to show user a timeout warning.
// It allows the user to click a button to refresh.
// $Id: timeoutFrame.js,v 1.8 2008/09/29 21:01:55 bnash Exp $

// --------------------------------------------------------------------------------
// Timeout functions
// --------------------------------------------------------------------------------

//default to 60 min
var sessionTime = 60;
var minuteTime = 1; //minutes to ping the server
var pingTime = (minuteTime * 60000); // in milliseconds

if(typeof JS_SESSION_TIMEOUT != 'undefined'){
	sessionTime = JS_SESSION_TIMEOUT - 5; // session warning to 5 minutes less than server side 
}

var logOutTime = 5;// logout time set to 5 minutes from session timeout warning

var sessionTimeout = null;
var logoffTimeout = null;

/*
 * Bind to a global on success event for ajax calls.
 */
$(document).bind("ajaxSuccess", function() {
    if (sessionTimeout) {
	clearTimeout(sessionTimeout);
    } else {
	setSessionTimeout();
    }
});

// Call by default
setSessionTimeout();
function setSessionTimeout() {
    sessionTimeout = setInterval("showTimeoutWarning()", sessionTime * 60000);
}


/*
 * Called when the timeout has reached its limit.
 */
function showTimeoutWarning() {

    logoffTimeout = setInterval("doLogOff()", logOutTime * 60000);// 4*60*1000
    
    $('#timeOutModal').modal({
	backdrop : 'static',
    });

    $('#continueSessionButton').click(function() {
	pingSession();
    });

}

/*
 *Called when the time has expired on the user to keep their session alive. 
 */
function doLogOff() {

    $('#timeOutModal').modal('hide');
    
    $('#logOutModal').modal({
	backdrop : 'static',
    });
    
    setTimeout('window.location = "/Login/logout";', 5000);
}


$(function(){
    var lastUpdate = 0;
    setInterval(function(){
       if(new Date().getTime() - lastUpdate < pingTime){
           pingSession();
       }
    }, pingTime); 

    $(document).keydown(function(){
         lastUpdate = new Date().getTime();
    });
});

//document.onkeypress = function (e) { //each keypress will keep the session going.
//    e = e || window.event;
 //   pingSession();
//};


/*
 * Pings a controller to keep the session alive.
 */
function pingSession() {

    $.ajax({
	type : 'GET',
	url : 'pingController',
	data : ({
	    "pingParam" : "Session Pinged"
	}),
	success : function(data) {
	    clearTimeout(logoffTimeout);
	    setSessionTimeout();
	},
	failure : function() {
	    alert("ajax call failed");
	}
    });
}