On Jul 7, 2009, at 8:21 AM, Jerry Krinock wrote:
I need to be able to quit and re-launch other applications, and have
been getting all kinds of weird behavior. Maybe if someone could
explain this one little test case I've isolated, it would be a big
help.
The code below attempts to launch TextEdit, wait 5 seconds, quit
TextEdit, wait 5 seconds, repeat forever. I get a launch, a quit,
and a launch. But when it tries to quit for the second time,
AESendMessage returns a -609 "Connection Invalid" error. I imagine
this is because it is trying to connect to the application instance
that it had quit the first time.
Documention of AESendMessage implies that recent versions of
AppleScript will automatically try and reconnect, and that there is
no more option to set.
How can I get it to forget the old connection and make a new one?
Thanks,
Jerry
I added similar functionality to one of my apps, and had problems
using the bundle id as well. I switched to using the PSN
(typeProcessSerialNumber) and that seems to work. You can use this to
get the PSN:
void PSNForBundleIdentifier( NSString *bundleIdentifier,
ProcessSerialNumber *psn )
{
OSStatus anErr = noErr;
ProcessSerialNumber aNum = { kNoProcess, kNoProcess };
if ( psn == NULL ) return;
while ( (anErr == noErr) ) {
anErr = GetNextProcess( &aNum );
if ( anErr == noErr ) {
CFDictionaryRef procInfo =
ProcessInformationCopyDictionary( &aNum,
kProcessDictionaryIncludeAllInformationMask );
if ( [[(NSDictionary *)procInfo objectForKey:(NSString
*)kCFBundleIdentifierKey] isEqualToString:bundleIdentifier] ) {
*psn = aNum;
CFRelease( procInfo );
break;
}
CFRelease( procInfo );
}
}
}
And then change your QuitAndSleep function to:
void QuitAndSleep(NSString* bundleIdentifier, float seconds) {
NSLog(@"Quitting") ;
NSAppleEventDescriptor *as ;
ProcessSerialNumber aNum = { kNoProcess, kNoProcess } ;
PSNForBundleIdentifier( bundleIdentifier, &aNum );
as = [NSAppleEventDescriptor
descriptorWithDescriptorType:typeProcessSerialNumber
bytes:&aNum
length:sizeof(aNum)];
NSAppleEventDescriptor *ae ;
ae = [NSAppleEventDescriptor
appleEventWithEventClass:kCoreEventClass
eventID:kAEQuitApplication
targetDescriptor:as
returnID:kAutoGenerateReturnID
transactionID:kAnyTransactionID];
AppleEvent *quitApplicationAppleEventPtr = (AEDesc*)[ae aeDesc];
if (quitApplicationAppleEventPtr) {
OSStatus err = AESendMessage(quitApplicationAppleEventPtr,
NULL,
kAENoReply,
kAEDefaultTimeout) ;
NSLog(@"Quit err = %d", err) ;
}
NSLog(@"Sleep after quit") ;
usleep(seconds * 1e6) ;
}
--------------------------------------
Darkshadow
(aka Michael Nickerson)
http://www.nightproductions.net
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