BaconBar/BaconBarHelper/AppDelegate.m

//
//  AppDelegate.m
//  BaconBarHelper
//
//  Created by Thomas Buck on 28.12.13.
//  Copyright (c) 2013 xythobuz. All rights reserved.
//

#import "AppDelegate.h"

@implementation AppDelegate

-(void)applicationDidFinishLaunching:(NSNotification *)aNotification
{
    // Check if main app is already running; if yes, do nothing and terminate helper app
    BOOL alreadyRunning = NO;
    NSString *appName = [(NSString *)([[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleIdentifier"]) stringByReplacingOccurrencesOfString:@"Helper" withString:@""];
    NSArray *running = [[NSWorkspace sharedWorkspace] runningApplications];
    for (NSRunningApplication *app in running) {
        if ([[app bundleIdentifier] isEqualToString:appName]) {
            alreadyRunning = YES;
        }
    }
    
    if (!alreadyRunning) {
        NSString *path = [[NSBundle mainBundle] bundlePath];
        NSArray *p = [path pathComponents];
        NSMutableArray *pathComponents = [NSMutableArray arrayWithArray:p];
        [pathComponents removeLastObject];
        [pathComponents removeLastObject];
        [pathComponents removeLastObject];
        [pathComponents addObject:@"MacOS"];
        [pathComponents addObject:@"BaconBar"];
        NSString *newPath = [NSString pathWithComponents:pathComponents];
        [[NSWorkspace sharedWorkspace] launchApplication:newPath];
    }
    [NSApp terminate:nil];
}

@end