How to measure the time of an event in flash? - actionscript-3

Question

If there is some event on any button such as rollover event by mouse how to measure how much time that rollover event took place?

Answer 1

You could time the difference between MOUSE_OVER and MOUSE_OUT.
var myButton:Button = new Button();
var diff:Number = 0;
var startDate:Date;
myButton.addEventListener(MouseEvent.MOUSE_OVER, function(evt:MouseEvent):void {
startDate = new Date();
});
myButton.addEventListener(MouseEvent.MOUSE_OUT, function(evt:MouseEvent):void {
diff = (new Date()).time - startDate.time;
if (diff >= 5000)
// do something
});
I do not have Flash Builder up but this should be a good start. Check out these docs for more info:
http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/events/MouseEvent.html
http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/Date.html#time

Answer 2

Well, only one rollover is fired unless yuo roll out and then back on.
So here's what I would do:
private var timeoutId:uint=-1;
private function onRollover(e:MouseEvent):void {
timeoutId=setTimeout(play, 5000);
}
private function onRollout(e:MouseEvent):void {
if(timeoutId != -1) clearTimeout(timeoutId);
}
private function play():void {
//code to play music
}
and of course, onRollover and onRollout handle the respective events.

Answer 3

Maybe you should take a look at the Timer class. Here's a simple example of what you can do with it:
var timer:Timer = new Timer(5000,1);
timer.addEventListener(TimerEvent.TIMER, playVideo);
btnInstance.addEventListener(MouseEvent.MOUSE_OVER,
function(evt:MouseEvent):void {
timer.start();
});
btnInstance.addEventListener(MouseEvent.MOUSE_OUT,
function(evt:MouseEvent):void {
timer.stop();
});
function playVideo(evt:TimerEvent):void {
// play video
}
Hope it helps.