Detecting whether app at path is running?
Detecting whether app at path is running?
- Subject: Detecting whether app at path is running?
- From: Matt Gemmell <email@hidden>
- Date: Sat, 25 May 2002 22:32:09 +0100
Hi all,
I have two questions relating to running applications. Hopefully someone
can help out!
1. Is NSFileManager's -isExecutableFileAtPath: method sufficient to
determine whether the file at that path is an *application*? That is, to
determine reliably whether it's a Classic, Carbon or Cocoa app (it
doesn't matter which it is; I just need to know that it *is* an
application). I suspect that it would also return true for executable
files in /usr/bin and so forth, which I wouldn't classify as
applications in the traditional sense. If not, is there a way to make
this determination is some kind of reasonably accurate way?
(By the way, I noticed NSWorkspace's -getInfoForFile:application:type:
method, but the valid types explicitly mention only Cocoa applications.)
2. Given the path to an item, and assuming we've already determined that
that item is indeed an application, how would I go about determining if
that application is currently running?
To give some background, I have a need to implement the kind of
functionality which the little black triangles in the Dock provide; a
visual indicator as to whether a given app is currently running. I'm
aware that I can register to receive notifications when apps are
launched and terminated, but those are only useful once my app is
running - I still need to make a determination at my app's launch time
of which apps are *already* running, so that the initial display is
accurate.
Any thoughts on this would be much appreciated. My needs are very
simple; I literally only need to know if the app at a given path is
running or not - I'm not trying to interfere with other apps in any way.
:)
Best,
-Matt
--
Matt Gemmell
Scotland Software
<
http://www.scotlandsoftware.com/>
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