prefwatch.go

package main

/*
#cgo darwin CFLAGS: -DDARWIN -x objective-c
#cgo darwin LDFLAGS: -framework Cocoa
#import <Cocoa/Cocoa.h>

@interface ManageHandler : NSObject<NSUserNotificationCenterDelegate>
@property (retain) NSUserDefaults *userDefaults;
@end

ManageHandler * uncDelegate;

@implementation ManageHandler
-(instancetype) init {
	self = [super init];
	if (self) {
		_userDefaults = [[NSUserDefaults alloc] initWithSuiteName:@"ManagedInstalls"];
		[_userDefaults addObserver:self
			forKeyPath:@"LastCheckDate"
			options:NSKeyValueObservingOptionNew
			context:NULL];

	}
	return self;
}

- (void)dealloc
{
  [_userDefaults removeObserver:self forKeyPath:@"LastCheckDate"];
  [super dealloc];
}



- (void)observeValueForKeyPath:(NSString *)keyPath
                      ofObject:(id)object
                        change:(NSDictionary *)change
                       context:(void *)context {
	  NSLog(@"changed");
	  NSString * str = [_userDefaults stringForKey:@"LastCheckDate"];
	  NSLog(@"%@", str);
}

@end

void Prefs() {
	NSUserDefaults * userDefaults = [[NSUserDefaults alloc] initWithSuiteName:@"ManagedInstalls"];
	  NSString * str = [userDefaults stringForKey:@"LastCheckDate"];
	  NSLog(@"%@", str);

	  uncDelegate = [[ManageHandler alloc] init];
	  [[NSUserNotificationCenter defaultUserNotificationCenter] setDelegate: uncDelegate];

	  [[NSRunLoop mainRunLoop] run];
}

*/
import "C"
import "fmt"

func main() {
	fmt.Println("start loop")
	C.Prefs()
	fmt.Println("done")
}