From 29004d9048ab84d774d6978e685ea7b0e47b625b Mon Sep 17 00:00:00 2001
From: Nathan Walker <walkerrunpdx@gmail.com>
Date: Thu, 19 May 2022 15:11:11 -0700
Subject: [PATCH] feat(ios): Utils.getRootViewController

---
 packages/core/utils/native-helper.d.ts   |  5 +++++
 packages/core/utils/native-helper.ios.ts | 10 ++++++++++
 2 files changed, 15 insertions(+)

diff --git a/packages/core/utils/native-helper.d.ts b/packages/core/utils/native-helper.d.ts
index 8fed91420..e21f9f131 100644
--- a/packages/core/utils/native-helper.d.ts
+++ b/packages/core/utils/native-helper.d.ts
@@ -132,6 +132,11 @@ export namespace iOSNativeHelper {
 		export function nsArrayToJSArray<T>(a: NSArray<T>): T[];
 	}
 
+	/**
+	 * Get the root UIViewController of the app
+	 */
+	export function getRootViewController(): any; /* UIViewController */
+
 	/**
 	 * Data serialize and deserialize helpers
 	 */
diff --git a/packages/core/utils/native-helper.ios.ts b/packages/core/utils/native-helper.ios.ts
index d01d85532..b6d70fc87 100644
--- a/packages/core/utils/native-helper.ios.ts
+++ b/packages/core/utils/native-helper.ios.ts
@@ -136,6 +136,16 @@ export namespace iOSNativeHelper {
 		}
 	}
 
+	export function getRootViewController(): UIViewController {
+		const app = UIApplication.sharedApplication;
+		const win = app.keyWindow || (app.windows && app.windows.count > 0 && app.windows.objectAtIndex(0));
+		let vc = win.rootViewController;
+		while (vc && vc.presentedViewController) {
+			vc = vc.presentedViewController;
+		}
+		return vc;
+	}
+
 	export function isLandscape(): boolean {
 		console.log('utils.ios.isLandscape() is deprecated; use application.orientation instead');