From a43a417f9c0adf22bcc7bec97d60f8539579bd41 Mon Sep 17 00:00:00 2001
From: Callum Moffat <smartercallum@gmail.com>
Date: Thu, 17 Feb 2022 17:01:31 -0500
Subject: [PATCH] Add missing trackpad enum to android and web
 (flutter/engine#31429)

---
 engine/src/flutter/lib/web_ui/lib/pointer.dart                | 1 +
 .../io/flutter/embedding/android/AndroidTouchProcessor.java   | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/engine/src/flutter/lib/web_ui/lib/pointer.dart b/engine/src/flutter/lib/web_ui/lib/pointer.dart
index a033f35346..f65e8a13e1 100644
--- a/engine/src/flutter/lib/web_ui/lib/pointer.dart
+++ b/engine/src/flutter/lib/web_ui/lib/pointer.dart
@@ -22,6 +22,7 @@ enum PointerDeviceKind {
   mouse,
   stylus,
   invertedStylus,
+  trackpad,
   unknown
 }
 
diff --git a/engine/src/flutter/shell/platform/android/io/flutter/embedding/android/AndroidTouchProcessor.java b/engine/src/flutter/shell/platform/android/io/flutter/embedding/android/AndroidTouchProcessor.java
index 32c6d954d5..2078bdc161 100644
--- a/engine/src/flutter/shell/platform/android/io/flutter/embedding/android/AndroidTouchProcessor.java
+++ b/engine/src/flutter/shell/platform/android/io/flutter/embedding/android/AndroidTouchProcessor.java
@@ -45,6 +45,7 @@ public class AndroidTouchProcessor {
     PointerDeviceKind.MOUSE,
     PointerDeviceKind.STYLUS,
     PointerDeviceKind.INVERTED_STYLUS,
+    PointerDeviceKind.TRACKPAD,
     PointerDeviceKind.UNKNOWN
   })
   private @interface PointerDeviceKind {
@@ -52,7 +53,8 @@ public class AndroidTouchProcessor {
     int MOUSE = 1;
     int STYLUS = 2;
     int INVERTED_STYLUS = 3;
-    int UNKNOWN = 4;
+    int TRACKPAD = 4;
+    int UNKNOWN = 5;
   }
 
   // Must match the PointerSignalKind enum in pointer.dart.