AppDelegate.swift

//
//  AppDelegate.swift
//  Test3
//
//  Created by Chris Hinze on 28.05.15.
//  Copyright (c) 2015 Chris Hinze. All rights reserved.
//

import Cocoa

@NSApplicationMain
class AppDelegate: NSObject, NSApplicationDelegate {
	func applicationDidFinishLaunching(aNotification: NSNotification) {
		for app in NSWorkspace.sharedWorkspace().runningApplications {
			if (app.active) {
						outputActiveApp(app)
			}
		}
		
		NSWorkspace.sharedWorkspace().notificationCenter.addObserver(self, selector: #selector(AppDelegate.appChange(_:)), name: NSWorkspaceDidActivateApplicationNotification, object: nil)
		
		//NSWorkspace.sharedWorkspace().notificationCenter.addObserver(self, selector: Selector("appDeactivate:"), name: NSWorkspaceDidDeactivateApplicationNotification, object: nil)
		
		NSWorkspace.sharedWorkspace().notificationCenter.addObserver(self, selector: #selector(AppDelegate.receiveSleep(_:)), name: NSWorkspaceWillSleepNotification, object: nil)
		
		NSWorkspace.sharedWorkspace().notificationCenter.addObserver(self, selector: #selector(AppDelegate.receiveWakeup(_:)), name: NSWorkspaceDidWakeNotification, object: nil)
	}

	func applicationWillTerminate(aNotification: NSNotification) {
		//println("end")
	}

	func appChange(notification: NSNotification) {
		let app : NSRunningApplication = notification.userInfo![NSWorkspaceApplicationKey] as! NSRunningApplication
		outputActiveApp(app)
	}
	
	func receiveSleep(notification: NSNotification) {
		// works on forced, test idle
		outputJson([
			"type": "sleep"
		]);
	}
	
	func receiveWakeup(notification: NSNotification) {
		outputJson([
			"type": "wakeup"
		]);
	}
	
	func outputActiveApp(app: NSRunningApplication) {		
		outputJson([
			"type": "activeAppChange",
			"bundleIdentifier": app.bundleIdentifier!,
			"localizedName": app.localizedName!
			]);
	}
	
	func outputJson(data: NSDictionary) {
		let jsonData = try! NSJSONSerialization.dataWithJSONObject(data, options: NSJSONWritingOptions.PrettyPrinted)
		let jsonString = NSString(data: jsonData, encoding: NSUTF8StringEncoding)! as String
		print(jsonString)
		fflush(__stdoutp)
	}
}