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List:       kde-devel
Subject:    Re: Patch: Idea for saving power on laptops
From:       jos poortvliet <jos () mijnkamer ! nl>
Date:       2007-05-30 7:02:24
Message-ID: 200705300902.28571.jos () mijnkamer ! nl
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Op Wednesday 30 May 2007, schreef Niels van Mourik:
> Op dinsdag 29 mei 2007, schreef Jos Poortvliet:
> > On 5/29/07, Christoph <chris@inferno.nadir.org> wrote:
> > > On Friday 18 May 2007 20:06:19 Randy Kramer wrote:
> > > > On Friday 18 May 2007 12:10 pm, jos poortvliet wrote:
> > > > > It's a cool idea, but I'd rather see the apps fixed that don't NEED
> > > > > to do anything when minimized to really not DO anything.
> > > >
> > > > +1
> > >
> > > What about an option in Konqueror to stop JavaScript when minimized ?
> > > That would help in 90% of the cases discussed here.
> > > I always have Nagios/cacti open in one browserwindow. And it would be
> > > very nice if they only reloaded the page when they are visible. And one
> > > wouldn't have to send Signals to processes.
> >
> > Yeah, that would be great. And also stop flash, while at it, as it's
> > even worse ;-)
> > This would probably help, yes. The konqi dev's need to work on that,
> > though. Not sure if they have time for it ;-)
>
> While it is (practically seen) quite an idea to freeze/unload javascript
> while being minimized I'm wondering if you were aware of the consequences
> of "deleting" an flash (nspluginviewer) instance.
>
> This would mean that when you are playing your favourite smash'n'bump game
> on a flash applet, you hit the pause button, and minimize the window for
> some im conversation, that when you would unminimize the window again the
> game would be reloaded. Is this really what you want?
>
> Regarding cpu cycles I'm not quite sure if a nspluginviewer instance can be
> frozen (instead of deleting the object), I think one big consequence of
> freezing nspluginviewer means also freezing Konqui.

Afaik, the nspluginviewer is an out-of-process thingy, so it should be 
possible to suspend it independend of konqi. sending it a SIGSTOP when 
minimizing/hiding the tab, and a SIGCONT when unminimizing/showing the tab 
might work.

Not sure, of course, the sigstop/cont might very well break nspluginviewer, 
just like it broke firefox. And probably  (i'm no hacker, you know that) you 
can't freeze the nspluginviewer, even if it is as out-of-process as I 
think...

grtz

-- 
Disclaimer:

Alles wat ik doe denk en zeg is gebaseerd op het wereldbeeld wat ik nu heb. 
Ik ben niet verantwoordelijk voor wijzigingen van de wereld, of het beeld wat 
ik daarvan heb, noch voor de daaruit voortvloeiende gedragingen van mezelf. 
Alles wat ik zeg is aardig bedoeld, tenzij expliciet vermeld.

Please avoid sending me Word or PowerPoint attachments.
See http://www.gnu.org/philosophy/no-word-attachments.html

   A: Because it destroys the flow of the conversation
   Q: Why is top-posting bad?

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