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/dangerwillrobinsondanger%40gmail.com > > This email sent to dangerwillrobinsondan...@gmail.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
