Re: Repeating Timer and onUnload()

Hi ep,

yeah, that's what I meant with putting the cancel() call in
onUnload().

Max

On Nov 24, 11:08 am, ep <eplisc...@googlemail.com> wrote:
> subclass a timer to your custom, which "binds" on a widget it works
> with. when the widget is detached your timer can cancel himself -
> kinda selfdestruction :)
>
> On 23 Nov., 17:26, Max Jonas Werner <m...@maxwerner.de> wrote:
>
> > Hi,
>
> > I have built a widget for my GWT application that shows the latest
> > actions users of the application have performed. To refresh this
> > widget automatically I use a Timer and its schedule() method like
> > this:
>
> >     private final Timer t = new Timer() {
> >         @Override
> >         public void run() {
> >             // perform RPC call here to refresh the list of activities
> >             schedule(10000);
> >         }
> >     };
> >     ...
> >     t.schedule(10000);
>
> > I'm using schedule() here since scheduleRepeating() could lead to
> > shorter intervalls which I don't want to. However, I could also have
> > used scheduleRepeating() here, that's not the actual problem.
>
> > My problem/question is rather: When this widget is removed from the
> > DOM I'll have to cancel() the timer, so I override onUnload() and call
> > t.cancel() in there. Is this the method you would recommend or is
> > there some other fancy way of cancelling timers automatically when
> > widgets are unloaded/detached?
>
> > Thanks
> > Max

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