♻️ Cleanup

- Bump version number to 2.3
- Disable Metal validation in project configuration
- Added comments to various files to clarify code
- Moved various strings to Localizable.strings
- Removed references to old view controller for command log
- No longer log previously ran commands

phpmon/AppDelegate.swift

@@ -10,16 +10,34 @@ import Cocoa
 import UserNotifications
 
 @NSApplicationMain
-class AppDelegate: NSObject, NSApplicationDelegate {
+class AppDelegate: NSObject, NSApplicationDelegate, NSUserNotificationCenterDelegate {
     
     // MARK: - Variables
     
+    /**
+     The Shell singleton that keeps track of the history of all
+     (invoked by PHP Monitor) shell commands. It is used to
+     invoke all commands in this application.
+     */
     let sharedShell : Shell
+    
+    /**
+     The App singleton contains information about the state of
+     the application and global variables.
+     */
     let state : App
+    
+    /**
+     The MainMenu singleton is responsible for rendering the
+     menu bar item and its menu, as well as its actions.
+     */
     let menu : MainMenu
     
     // MARK: - Initializer
     
+    /**
+     When the application initializes, create all singletons.
+     */
     override init() {
         self.sharedShell = Shell.user
         self.state = App.shared
@@ -29,20 +47,28 @@ class AppDelegate: NSObject, NSApplicationDelegate {
     
     // MARK: - Lifecycle
     
+    /**
+     When the application has finished launching, we'll want to set up
+     the user notification center delegate, and kickoff the menu
+     startup procedure.
+     */
     func applicationDidFinishLaunching(_ aNotification: Notification) {
         NSUserNotificationCenter.default.delegate = self
         self.menu.startup()
     }
     
-    func applicationWillTerminate(_ aNotification: Notification) {
-        self.state.windowController = nil
-    }
-}
-
-extension AppDelegate: NSUserNotificationCenterDelegate {
-    func userNotificationCenter(_ center: NSUserNotificationCenter,
-                                shouldPresent notification: NSUserNotification) -> Bool {
+    // MARK: - NSUserNotificationCenterDelegate
+    
+    /**
+     When a notification is sent, the delegate of the notification center
+     is asked whether the notification should be presented or not. Since
+     the user can now disable notifications per application since macOS
+     Catalina, any and all notifications should be displayed.
+     */
+    func userNotificationCenter(
+        _ center: NSUserNotificationCenter,
+        shouldPresent notification: NSUserNotification
+    ) -> Bool {
         return true
     }
 }
-