Re: Accessing System Preferences?
Re: Accessing System Preferences?
- Subject: Re: Accessing System Preferences?
- From: Creed Erickson <email@hidden>
- Date: Sun, 10 Aug 2003 17:29:19 -0700
On Sunday, August 10, 2003, at 02:50 PM, Nick Morris wrote:
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Hi,
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I am having a real mental block on this one and after 48 hours of
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searching and thinking I still do not have an answer to a really
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simple question!
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The question: How do I retrieve the System Preference setting for
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Mail and Web for a user?
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Basically, it is just so the right Applescript fires in my application
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for the right mail program or web-broswer.
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Thanks for your time and help!
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This is in the archives at
http://cocoa.mamasam.com/COCOADEV/2002/09/2/45230.php
Here's the answer provided by Nicholas Riley:
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Please read about LaunchServices, it explains all this. How to
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extract application info such as the pretty name? You can use
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LSCopyDisplayNameForRef, or CF/NSBundle, depending on what you want.
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Get the preferred Web browser? Use a URL scheme like 'http' with
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LSGetApplicationForURL, not a mapping for 'html' or 'webloc'. Just
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browsing through LaunchServices.h should give you a pretty good idea.
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For example, here's a cleaner way of getting the preferred mail/Web
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protocol handler:
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#import <Foundation/Foundation.h>
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#import <ApplicationServices/ApplicationServices.h>
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int main (int argc, const char * argv[]) {
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NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
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NSURL *appURL = nil;
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OSStatus err;
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err = LSGetApplicationForURL((CFURLRef)[NSURL URLWithString:
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@"mailto:";];
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// or "http:"
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kLSRolesAll, NULL, (CFURLRef
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*)&appURL);
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if (err != noErr) NSLog(@"error %ld", err);
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else NSLog(@"%@", appURL);
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[pool release];
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return 0;
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}
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This successfully identified Navigator and Eudora for me. Internet
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Config provides a much nicer (IMO) API, but it has not been properly
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modernized, is deprecated and Apple provides no way to edit its
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settings in OS X...
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---
Creed Erickson <email@hidden>
"Not a shred of evidence exists in favor of the idea that life is
serious."
- Brendan Gill
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