From 0552a3a722469312044fd2e9c40be630d04312ec Mon Sep 17 00:00:00 2001
From: Eduardo Speroni <edusperoni@users.noreply.github.com>
Date: Wed, 2 Nov 2022 16:22:42 -0300
Subject: [PATCH] fix(ios): ensure view layout when using large titles (#10044)

Co-authored-by: Nathan Walker <walkerrunpdx@gmail.com>
---
 packages/core/ui/page/index.ios.ts | 33 +++++++++++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

diff --git a/packages/core/ui/page/index.ios.ts b/packages/core/ui/page/index.ios.ts
index fcc20fb74..f164f8101 100644
--- a/packages/core/ui/page/index.ios.ts
+++ b/packages/core/ui/page/index.ios.ts
@@ -74,6 +74,24 @@ class UIViewControllerImpl extends UIViewController {
 
 	public isBackstackSkipped: boolean;
 	public isBackstackCleared: boolean;
+	private _isRunningLayout = 0;
+	private get isRunningLayout() {
+		return this._isRunningLayout === 0;
+	}
+	private startRunningLayout() {
+		this._isRunningLayout++;
+	}
+	private finishRunningLayout() {
+		this._isRunningLayout--;
+	}
+	private runLayout(cb: () => void) {
+		try {
+			this.startRunningLayout();
+			cb();
+		} finally {
+			this.finishRunningLayout();
+		}
+	}
 
 	public static initWithOwner(owner: WeakRef<Page>): UIViewControllerImpl {
 		const controller = <UIViewControllerImpl>UIViewControllerImpl.new();
@@ -254,7 +272,19 @@ class UIViewControllerImpl extends UIViewController {
 		}
 	}
 
+	public viewSafeAreaInsetsDidChange(): void {
+		super.viewSafeAreaInsetsDidChange();
+		if (this.isRunningLayout) {
+			return;
+		}
+		const owner = this._owner.get();
+		if (owner) {
+			this.runLayout(() => IOSHelper.layoutView(this, owner));
+		}
+	}
+
 	public viewDidLayoutSubviews(): void {
+		this.startRunningLayout();
 		super.viewDidLayoutSubviews();
 		const owner = this._owner.get();
 		if (owner) {
@@ -306,6 +336,7 @@ class UIViewControllerImpl extends UIViewController {
 
 			IOSHelper.layoutView(this, owner);
 		}
+		this.finishRunningLayout();
 	}
 
 	// Mind implementation for other controllerss
@@ -407,7 +438,7 @@ export class Page extends PageBase {
 	updateWithWillAppear(animated: boolean) {
 		// this method is important because it allows plugins to react to modal page close
 		// for example allowing updating status bar background color
-	  if (this.hasActionBar) {
+		if (this.hasActionBar) {
 			this.actionBar.update();
 		}
 		this.updateStatusBar();