In 10.6 or later, if you do need to know when apps are being
activated, you can also uses the NSWorkspace notificationCenter and
observe NSWorkspaceDidActivateApplicationNotification with something
like this:
[[[NSWorkspace sharedWorkspace] notificationCenter] addObserver:self
selector:@selector(appWasActivated:)
name:NSWorkspaceDidActivateApplicationNotification object:nil];
There are lots of other fun notifications in NSWorkspace to see what
is going on outside of your app.
Mark
2011/2/9 Mr. Gecko <grmrge...@gmail.com>:
> I'm looking for the process that was front before my application became
> front. I was thinking in getting the process as this is what I did in my
> menubar applications and I just stole code from them. I can do as Dave DeLong
> said and hide the application using [[NSApplication sharedApplication]
> hide:self]; and it does infact brings the finder to the front. This is an
> option with this application as I don't open any other window than the one
> when you open the application from the finder. But with other applications,
> it's not an option as there may be multiple windows for that one application
> open and when you hide, it will also hide the other windows they had open. I
> would be wondering how I can get the last front application (kinda how the
> dock does) so if I need to write an application in the future that needs
> multiple windows and also needs to be a UIAgent it would do the proper thing.
> I don't need to know this now, if it's not possible than fine, but if anyone
> out there knows how and wants to share, please do.
>
> On Feb 9, 2011, at 10:33 AM, Peter Lübke wrote:
>
>> GetNextProcess() doesn't reflect the order in which processes were made
>> front, as the Process Manager doc says:
>> "Note that the order of the list of processes is internal to the
>> Process Manager"
>> which *seems* to be the order in which processes register with Process
>> Manager; if this is true (I don't know whether you can rely on it), you
>> could at least use GetNextProcess() to track the (backwards) order in which
>> processes registered with process manager.
>>
>> An easy way to look at this is an AppleScript:
>>
>> tell application "System Events"
>> name of every process
>> end tell
>>
>> I don't quite understand the scenario though: are you looking for the
>> process that was front before the user launched your application?
>>
>> Cheers
>> -Peter
>
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Mark Munz
unmarked software
http://www.unmarked.com/
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