[webkit-dev] Notifying a plugin it is in the background?

Sriram.Yadavalli at nokia.com Sriram.Yadavalli at nokia.com
Wed Jul 9 17:46:15 PDT 2008


Hi,

Plugins get focus events from Webkit's plug-in implementation.  After
getting the focus lost event, the flash player may choose to suspend
playing flash content.  On the Mac port, I think the event is
loseFocusEvent.  This is called via NPP_HandleEvent (part of NPAPI).

Regards
Sriram

>-----Original Message-----
>From: webkit-dev-bounces at lists.webkit.org 
>[mailto:webkit-dev-bounces at lists.webkit.org] On Behalf Of ext 
>Andre-John Mas
>Sent: Wednesday, July 09, 2008 6:39 PM
>To: WebKit Development
>Subject: [webkit-dev] Notifying a plugin it is in the background?
>
>Hi,
>
>Is there any way to signal to a plug-in that its current 
>context is in the background, so that it could eventually 
>reduce CPU priority to the content? The issue I am looking at 
>is that some plug-ins consume a lot of CPU whether or not they 
>are in foreground. In certain cases, usually a Flash player, I 
>find my CPU being maxed out by player which is in another tab. 
>If there was a way to reduce the effect of background plug-in 
>this would be useful.
>
>Andre
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