[sugar] Activation / Deactivation

[Dan Williams]

On Tue, 2006-10-10 at 09:57 +0200, Marco Pesenti Gritti wrote:
> Bert Freudenberg wrote:
> > Hi folks,
> >
> > is there a notification of activation / deactivation for an activity? 
> > Or do I have to watch X11 events when matchbox shuffles windows back 
> > and forth?
> >
> 
> Activity is a GtkWindow so you can listen of focus-in/focus-out. See the 
> attached patch for an example. This way you will get 
> activated/deactivated also when switching to the home page or the zoom 
> view temporarily though. And I'm not sure if that's what we actually 
> want. I need to talk with Eben about it.

Doesn't the Shell also broadcast DBus signals when apps change?

> > I noticed etoys is happily animating and playing sounds even if it is 
> > not the top activity, which is most likely not desired.
> >
> > Is there a general policy of background activity? I guess the chat, 
> > for example, would continue to receive messages even when not at top. 
> > An animation should be stopped if nobody sees it. But what about a 
> > longer-running simulation? Or some time-lapse data measuring from the 
> > analogue input?
> 
> We should probably have a policy for this in our (planned) activity 
> guidelines. Can you open a ticket about this and assign it to me please?
> 
> Thanks,
> Marco
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