“dangerwillrobinsondanger” correctly points to Core Foundation. I’m embarrassed to have forgotten — it should be very helpful to you, assuming it mixes with AVFoundation.
> On 7 Sep 2016, at 11:33 AM, じょいすじょん <dangerwillrobinsondan...@gmail.com> > wrote: > > Have you considered Core Foundation? > > https://developer.apple.com/library/ios/documentation/CoreFoundation/Reference/CFNotificationCenterRef/ > It is all C > > Another alternative is to look at the Objective-C runtime library routines. > You can do a lot with the language from C... > >> On 2016 Sep 8, at 1:09, Andreas Falkenhahn <andr...@falkenhahn.com> wrote: >> >> As a C programmer I'm trying to avoid Objective C whenever and wherever >> possible. >> The good thing is that I can do most interaction with Cocoa from normal C >> functions. >> I only had to write very few classes. Most of the Cocoa stuff can be done >> from normal C functions just fine. >> >> Now I'd like to subscribe to the AVPlayerItemDidPlayToEndTimeNotification >> notification. In an Objective C class, this is purportedly done like this: >> >> [[NSNotificationCenter defaultCenter] addObserver:self >> selector:@selector(itemDidFinishPlaying:) >> name:AVPlayerItemDidPlayToEndTimeNotification object:playerItem]; >> >> This will call the "itemDidFinishPlaying" method in class "self" whenever >> an AVPlayerItem has finished playing. >> >> Of course, I can't use this code in a normal C function because there are >> references to "self" and the selector thing doesn't look like it's >> compatible to >> C. So I could just subclass AVPlayerItem and voila, everything's fine. >> >> Still, I'm wondering: Is it also possible to have NSNotificationCenter call >> a C function for me whenever the notification triggers? Can this somehow >> be achieved or am I forced to use full Objective C here? >> >> -- >> Best regards, >> Andreas Falkenhahn mailto:andr...@falkenhahn.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
