On Jun 2, 2012, at 9:04 AM, Charles Srstka <cocoa...@charlessoft.com> wrote:
> > It’s even easier than that, since there’s no need to de-prioritize anything. > You just have everything’s priority set to NSOperationQueuePriorityNormal at > the time of enqueuing, and give NSOperationQueuePriorityHigh or > NSOperationQueuePriorityVeryHigh to the ones that need to be bumped to the > front. The run-of-the-mill operations can stay normal; the only ones you need > to change the priority for are the ones you want to prioritize. > > The OP mentioned that this won’t work because he’s giving all the operations > the highest priority level, but there’s really no reason to do so. Just give > the normal operations normal priority. The OP's point is that the priority of operations changes over time, based on where the user has scrolled: onscreen previews need to be generated before offscreen ones. The solution to changing priorities is… just change the priority. --Kyle Sluder _______________________________________________ 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
