August 2011
Intermediate to advanced
552 pages
23h 48m
English
Content preview from Advanced Mac OS X Programming: The Big Nerd Ranch GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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NSWorkspace
Back in the mists of time, the original NeXT-system UI was called the Workspace. These days it’s a combination of the Finder and the Dock. Cocoa’s NSWorkspace class provides features that were originally available in the NeXT workspace. NSWorkspace, actually, is a combination of Finder features as well as being a higher level API on top of Apple’s Launch Services. Launch Services is a database of applications, file types, icons, and associated data.
Because the system has one Launch Services database and the user has one Finder, you interact with NSWorkspace via a shared instance:
+ (NSWorkspace *) sharedWorkspace;
You can open files and URLs, and launch applications as if you had double-clicked them in the Finder. NSWorkspace
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