On Mar 22, 2009, at 12:27 PM, Pierce Freeman wrote:
I am wondering if there is some way to change another applications
icon
programmatically. The problem that I see if that every
application's icon
name is different and I haven't found a way to read that
application's icon
location or will just return a NSImage that is the icon.
Problems:
1 - Not all users are administrators of their computer, and so a user-
space application may not be able to modify the application bundles in
question. You'll need to authenticate/authorize the user to perform
this change if the application is in the /Applications folder, or the
user has no write permissions for the app bundles otherwise.
2 - Some applications may be digitally signed, in which case modifying
the application bundles in question may at least cause disconcerting
warnings for the user launching the modified applications, and at
worst break the application(s).
3 - This may be technically in violation of the EULA of the
applications in question. IANAL, but I certainly would look into this
before trying it, especially with the very loosely-defined DMCA laws.
4 - All the above aside, make sure you have your users' express
permission to perform this action ... it is a pretty big deal and I
would personally not use any application that does this, and you can
count on others feeling the same way, so make sure you ask in very
clear, plain language.
That said, to get the application's icon, you can do what the
Finder does and use the app bundle's Info.plist and ask for the value
for the CFBundleIconFile key. Then ask the application bundle for the
resource with the returned name.
See the documentation for the permissions issue and for how to work
with the icon file format.
--
I.S.
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