fix(ui-services): auto lock service extending tree

packages/ui-services/src/Security/AutolockService.ts

@@ -1,4 +1,4 @@
-import { ApplicationService } from '@standardnotes/snjs'
+import { AbstractService, ApplicationEvent, ApplicationInterface, InternalEventBusInterface } from '@standardnotes/services'
 
 const MILLISECONDS_PER_SECOND = 1000
 const POLL_INTERVAL = 50
@@ -13,14 +13,23 @@ const LockInterval = {
 
 const STORAGE_KEY_AUTOLOCK_INTERVAL = 'AutoLockIntervalKey'
 
-export class AutolockService extends ApplicationService {
+export class AutolockService extends AbstractService {
+  private unsubApp!: () => void
+
   private pollInterval: any
   private lastFocusState?: 'hidden' | 'visible'
   private lockAfterDate?: Date
 
-  override onAppLaunch() {
+  constructor(
+    protected application: ApplicationInterface,
+    protected override internalEventBus: InternalEventBusInterface,
+  ) {
+    super(internalEventBus)
+    this.addAppEventObserverAfterSubclassesFinishConstructing()
+  }
+
+  onAppLaunch() {
     this.beginPolling()
-    return super.onAppLaunch()
   }
 
   override deinit() {
@@ -28,9 +37,33 @@ export class AutolockService extends ApplicationService {
     if (this.pollInterval) {
       clearInterval(this.pollInterval)
     }
+
+    ;(this.application as unknown) = undefined
+
+    this.unsubApp()
+    ;(this.unsubApp as unknown) = undefined
+
     super.deinit()
   }
 
+  addAppEventObserverAfterSubclassesFinishConstructing() {
+    setTimeout(() => {
+      this.addAppEventObserver()
+    }, 0)
+  }
+
+  addAppEventObserver() {
+    if (this.application.isLaunched()) {
+      void this.onAppLaunch()
+    }
+
+    this.unsubApp = this.application.addEventObserver(async (event: ApplicationEvent) => {
+      if (event === ApplicationEvent.Launched) {
+        void this.onAppLaunch()
+      }
+    })
+  }
+
   private lockApplication() {
     if (!this.application.hasPasscode()) {
       throw Error('Attempting to lock application with no passcode')