var fps = 10;
var state = 0; //0 = stop, 1 = play, 2 = record

// coordonnées courantes
var posx = 0; 
var posy = 0;
pYoff=0;
pXoff=0;
//simule le fichier
var positions = '';

//timers
var timer;
//var timerReplay;

var coordinates = new Array(); 

function init(){
	
	//document.getElementById('stop').onclick = stop;
	//document.getElementById('play').onclick = chargeCoordonnees;
	//document.getElementById('record').onclick = startRecord;
	
	for(i=0;i<document.links.length;i++){
		document.getElementsByTagName("a")[i].onclick=stop;
	}
	startRecord();

}

if(document.referrer!="http://localhost/mousetracking/mouse_play.html" && document.referrer!='' ){
	 
	 
	window.onload = init;
	window.onblur = stop;
	window.onunload = stop;


	
}
else{

	
	window.onload= createPointer;

}

	



function createPointer(){

	
	
	
	var myImg = document.createElement("img");
	
  	var body = document.getElementsByTagName('body')[0];
	//myImg.setAttribute("id", "pointer");
	myImg.id="pointer";
	myImg.src = "http://www.soffi-institut.com/mm/pointer.png";
	//myImg.style.position=" absolute; left: -20px; top: -20px";
	myImg.style.position="absolute";
	myImg.style.left="-20px";
	myImg.style.top="-20px";
	body.appendChild(myImg);
	



}

function startRecord(){
    setFPS();
    state = 2;
    disableAction();
    timer = window.setInterval('pushCoordinates()', Math.floor(1000/fps));
    //document.getElementById('console').value = '';
      if(navigator.appName == "Microsoft Internet Explorer"){
        
        
        document.onmousemove = grabCoordinates;
        }
        else{
        
        window.onmousemove = grabCoordinates;
        
    }
}

function setFPS(){
    /*if (!isNaN(document.getElementById('fps').value)){
        fps = document.getElementById('fps').value;
    }
    else{
        fps = 10;
    }*/
}

function disableAction(){
    /*document.getElementById('play').onclick = null;
    document.getElementById('record').onclick = null;*/
    document.getElementsByTagName('html')[0].onclick = pushClick;
}


function pushClick(){
    if (state == 2){
        //boo, that's ugly
        coordinates.push(posx+','+posy+',c,'+pYoff+','+pXoff);
        coordinates.push(posx+','+posy+',c,'+pYoff+','+pXoff);
        //appendLog('clic:'+posx+','+posy);
        //appendLog('clic:'+posx+','+posy);
    }
}



function pushCoordinates(){
    coordinates.push(posx+','+posy+',m,'+pYoff+','+pXoff);
    //appendLog('move:'+posx+','+posy);
  
}

function appendLog(string){
	
    //document.getElementById('console').value = string+"\n"+document.getElementById('console').value;
}

function grabCoordinates(e){
    if (!e) var e = window.event;
    if (e.pageX || e.pageY)
    {
        this.pYoff=window.pageYOffset ;
	this.pXoff=window.pageXOffset ;
        this.posx = e.pageX;
        this.posy = e.pageY;
    }
    else if (e.clientX || e.clientY)
    {
        pYoff=document.documentElement.scrollTop;
        pXoff=document.documentElement.scrollLeft;
        posx = e.clientX + document.documentElement.scrollLeft;
        posy = e.clientY + document.documentElement.scrollTop;
    }
}


function stop(){
    if (state == 1){
        stopPlay();
    }
    else if (state == 2){
        stopRecord();
    }
}


function stopRecord(){
    window.clearInterval(timer);
    saveCoordonnees();
    state = 0;
    enableAction();
    //document.getElementById('which').selectedIndex = 0;
}

function enableAction(){
    /*document.getElementById('play').onclick = chargeCoordonnees;
    document.getElementById('record').onclick = startRecord;
    document.getElementsByTagName('html')[0].onclick = null;*/
}

 
 function saveCoordonnees(){
    positions = coordinates.join('|');
    var location = document.URL;
    var params = "coord="+positions+"&location="+location;
    dorequest("http://www.soffi-institut.com/mm/ajax_mouse.php", params);
    
    
    
}



function isSaved(){
    appendLog('Fichier enregistré');
}



function dorequest(url,post)
{
	http_request=GetXmlHttpObject()

	if (http_request==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	} 

	http_request.onreadystatechange = alertContents;
	http_request.open('POST', url, true);
	http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	http_request.send(post);
	
 }






function alertContents() {


	if (http_request.readyState == 4) {

	
	 	if (http_request.status == 200) {
		
			var response = http_request.responseText;
			//document.getElementById("textinsert").innerHTML=response;
			
				
				
			
	 	}
	 	
	 	 else {
			 
			//alert(http_request.status);
			alert(http_request.status +' There was a problem with the request.');
	 	}
	 } 

	
	
}


function GetXmlHttpObject()
{ 
	var objXMLHttp=null
	if (window.XMLHttpRequest)
	{
		objXMLHttp=new XMLHttpRequest()
	}
	else if (window.ActiveXObject)
	{
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp
}