From 8b990ffe3aab8dd5eed208cf8188c41f989eabc9 Mon Sep 17 00:00:00 2001
From: Vasil Chimev <vasil.chimev@gmail.com>
Date: Tue, 24 Sep 2019 21:06:10 +0300
Subject: [PATCH] asdf

---
 .../application/application.ios.ts            | 20 +++++++++++++++++--
 tns-core-modules/ui/page/page.ios.ts          | 10 +++++++++-
 2 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/tns-core-modules/application/application.ios.ts b/tns-core-modules/application/application.ios.ts
index 37a834096..f374fdae1 100644
--- a/tns-core-modules/application/application.ios.ts
+++ b/tns-core-modules/application/application.ios.ts
@@ -39,8 +39,8 @@ const Responder = (<any>UIResponder).extend({
         // NOOP
     }
 }, {
-        protocols: [UIApplicationDelegate]
-    }
+    protocols: [UIApplicationDelegate]
+}
 );
 
 class NotificationObserver extends NSObject {
@@ -86,6 +86,7 @@ class IOSApplication implements IOSApplicationDefinition {
     private _observers: Array<NotificationObserver>;
     private _orientation: "portrait" | "landscape" | "unknown";
     private _rootView: View;
+    private _userInterfaceStyle: UIUserInterfaceStyle;
 
     constructor() {
         this._observers = new Array<NotificationObserver>();
@@ -97,6 +98,10 @@ class IOSApplication implements IOSApplicationDefinition {
         this.addNotificationObserver(UIApplicationDidChangeStatusBarOrientationNotification, this.didChangeStatusBarOrientation.bind(this));
     }
 
+    private asdf(notification: NSNotification) {
+        console.log("---> Yeah!");
+    }
+
     get orientation(): "portrait" | "landscape" | "unknown" {
         if (!this._orientation) {
             const statusBarOrientation = UIApplication.sharedApplication.statusBarOrientation;
@@ -132,6 +137,14 @@ class IOSApplication implements IOSApplicationDefinition {
         return this._rootView;
     }
 
+    get userInterfaceStyle(): UIUserInterfaceStyle {
+        if (!this._userInterfaceStyle) {
+            this._userInterfaceStyle = this._rootView.viewController.traitCollection.userInterfaceStyle;
+        }
+
+        return this._userInterfaceStyle;
+    }
+
     public addNotificationObserver(notificationName: string, onReceiveCallback: (notification: NSNotification) => void): NotificationObserver {
         const observer = NotificationObserver.initWithCallback(onReceiveCallback);
         NSNotificationCenter.defaultCenter.addObserverSelectorNameObject(observer, "onReceive", notificationName, null);
@@ -389,6 +402,9 @@ export function getNativeApplication(): UIApplication {
 }
 
 function getViewController(view: View): UIViewController {
+
+    //
+
     let viewController: UIViewController = view.viewController || view.ios;
     if (viewController instanceof UIViewController) {
         return viewController;
diff --git a/tns-core-modules/ui/page/page.ios.ts b/tns-core-modules/ui/page/page.ios.ts
index 093cf0970..2ba0e6fc3 100644
--- a/tns-core-modules/ui/page/page.ios.ts
+++ b/tns-core-modules/ui/page/page.ios.ts
@@ -86,6 +86,14 @@ class UIViewControllerImpl extends UIViewController {
         this.extendedLayoutIncludesOpaqueBars = true;
     }
 
+
+    public traitCollectionDidChange(previousTraitCollection: UITraitCollection): void {
+        super.traitCollectionDidChange(previousTraitCollection);
+
+        console.log("---> traitCollectionDidChange");
+    }
+
+
     public viewWillAppear(animated: boolean): void {
         super.viewWillAppear(animated);
         const owner = this._owner.get();
@@ -148,7 +156,7 @@ class UIViewControllerImpl extends UIViewController {
             const isReplace = navigationContext.navigationType === NavigationType.replace;
 
             frame.setCurrent(newEntry, navigationContext.navigationType);
-            
+
             if (isReplace) {
                 let controller = newEntry.resolvedPage.ios;
                 if (controller) {