Have you looked at Guillermo's Socket.IO?
On Jun 1, 2011, at 1:42 PM, Philip Thompson wrote:
> Hi all.
>
> I am going to be creating a notification center which will manage
> notifications between various objects in my application. I want the
> notifications to be pretty much real time (less than 15 seconds delay). For
> example, if object A (someone on computer A) does something that object B
> (someone else on computer B) is "observing," I want object B to be notified
> about it. I'm not really looking to use sockets on the backend (but would
> consider it). Right now I'm talking about the front-end implementation.
>
> My initial thought for getting notifications would be to add a periodical
> event that checks for updates. Something like so...
>
> var req = new Request.JSON({
> method: 'get',
> url: 'notifications.php?id=123456',
> link: 'chain',
> onComplete: function () {
> // Do whatever
> }
> });
> // Check every 10 seconds
> req.send.periodical(10000);
>
> Is this a good way to manage these notifications? What are the pros and cons
> of this? I noticed that Facebook has recently started doing live updates to
> feeds, but not really sure how they accomplish it.
>
> Thanks in advance!
>
> ~Philip
>
> --
> http://lonestarlightandsound.com/
