From a579aa9c2a78a8e27bf9eea7f689f509006bab93 Mon Sep 17 00:00:00 2001
From: Elie Bariche <33458222+ebariche@users.noreply.github.com>
Date: Sun, 21 May 2023 15:31:44 -0400
Subject: [PATCH] perf: Add ApplicationView bindings

---
 .../ViewManagement/ApplicationView.Interop.wasm.cs | 11 ++++++++++-
 .../UI/ViewManagement/ApplicationView.wasm.cs      | 14 ++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/src/Uno.UWP/UI/ViewManagement/ApplicationView.Interop.wasm.cs b/src/Uno.UWP/UI/ViewManagement/ApplicationView.Interop.wasm.cs
index 17942fd6756e..263192a053ed 100644
--- a/src/Uno.UWP/UI/ViewManagement/ApplicationView.Interop.wasm.cs
+++ b/src/Uno.UWP/UI/ViewManagement/ApplicationView.Interop.wasm.cs
@@ -1,4 +1,5 @@
 #if NET7_0_OR_GREATER
+using System;
 using System.Runtime.InteropServices.JavaScript;
 
 namespace __Windows.UI.ViewManagement
@@ -7,7 +8,15 @@ internal partial class ApplicationView
 	{
 		internal static partial class NativeMethods
 		{
+			[JSImport("globalThis.Uno.UI.WindowManager.current.getWindowTitle")]
+			internal static partial string GetWindowTitle();
+
+			[JSImport("globalThis.Windows.UI.ViewManagement.ApplicationView.setFullScreenMode")]
+			internal static partial bool SetFullScreenMode(bool turnOn);
+
+			[JSImport("globalThis.Uno.UI.WindowManager.current.setWindowTitle")]
+			internal static partial void SetWindowTitle(string title);
 		}
 	}
 }
-#endif
\ No newline at end of file
+#endif
diff --git a/src/Uno.UWP/UI/ViewManagement/ApplicationView.wasm.cs b/src/Uno.UWP/UI/ViewManagement/ApplicationView.wasm.cs
index 4ce1a05c7f2e..8749a898c783 100644
--- a/src/Uno.UWP/UI/ViewManagement/ApplicationView.wasm.cs
+++ b/src/Uno.UWP/UI/ViewManagement/ApplicationView.wasm.cs
@@ -13,20 +13,30 @@ namespace Windows.UI.ViewManagement
 {
 	partial class ApplicationView
 	{
+#if !NET7_0_OR_GREATER
 		private const string ApplicationViewTsType = "Windows.UI.ViewManagement.ApplicationView";
+#endif
 
 		public string Title
 		{
 			get
 			{
+#if NET7_0_OR_GREATER
+				return NativeMethods.GetWindowTitle();
+#else
 				const string command = "Uno.UI.WindowManager.current.getWindowTitle()";
 				return WebAssemblyRuntime.InvokeJS(command);
+#endif
 			}
 			set
 			{
+#if NET7_0_OR_GREATER
+				NativeMethods.SetWindowTitle(value);
+#else
 				var escapedValue = WebAssemblyRuntime.EscapeJs(value);
 				var command = "Uno.UI.WindowManager.current.setWindowTitle(\"" + escapedValue + "\");";
 				WebAssemblyRuntime.InvokeJS(command);
+#endif
 			}
 		}
 
@@ -36,9 +46,13 @@ public string Title
 
 		private bool SetFullScreenMode(bool turnOn)
 		{
+#if NET7_0_OR_GREATER
+			return NativeMethods.SetFullScreenMode(turnOn);
+#else
 			var jsEval = $"{ApplicationViewTsType}.setFullScreenMode({turnOn.ToString(CultureInfo.InvariantCulture).ToLowerInvariant()})";
 			var result = WebAssemblyRuntime.InvokeJS(jsEval);
 			return bool.TryParse(result, out var modeSwitchSuccessful) && modeSwitchSuccessful;
+#endif
 		}
 	}
 }