From e7ada365ce12ee511e6fa10a713a8d9295fd95f8 Mon Sep 17 00:00:00 2001
From: ryanlwlin <ryanlwlin@google.com>
Date: Thu, 2 Dec 2021 15:40:50 +0800
Subject: [PATCH] Fix magnification cutout while performing back gesture

The window type of edge panel is nagivation bar panel,
which is not magniiable so wouldn't be included in the
magnification region. To fix it, we exculde this window
while computing magnification region

Bug: 208720902
Test: manual test
Change-Id: I2209cc307f2177c55175b35b71b28d6b4e28a05b
---
 .../navigationbar/gestural/EdgeBackGestureHandler.java       | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/SystemUI/src/com/android/systemui/navigationbar/gestural/EdgeBackGestureHandler.java b/packages/SystemUI/src/com/android/systemui/navigationbar/gestural/EdgeBackGestureHandler.java
index 4d4962e7d4c20..621075cba785f 100644
--- a/packages/SystemUI/src/com/android/systemui/navigationbar/gestural/EdgeBackGestureHandler.java
+++ b/packages/SystemUI/src/com/android/systemui/navigationbar/gestural/EdgeBackGestureHandler.java
@@ -15,6 +15,8 @@
  */
 package com.android.systemui.navigationbar.gestural;
 
+import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_EXCLUDE_FROM_SCREEN_MAGNIFICATION;
+
 import static com.android.systemui.classifier.Classifier.BACK_GESTURE;
 
 import android.app.ActivityManager;
@@ -548,7 +550,8 @@ public class EdgeBackGestureHandler extends CurrentUserTracker
         layoutParams.accessibilityTitle = mContext.getString(R.string.nav_bar_edge_panel);
         layoutParams.windowAnimations = 0;
         layoutParams.privateFlags |=
-                WindowManager.LayoutParams.SYSTEM_FLAG_SHOW_FOR_ALL_USERS;
+                (WindowManager.LayoutParams.SYSTEM_FLAG_SHOW_FOR_ALL_USERS
+                | PRIVATE_FLAG_EXCLUDE_FROM_SCREEN_MAGNIFICATION);
         layoutParams.setTitle(TAG + mContext.getDisplayId());
         layoutParams.setFitInsetsTypes(0 /* types */);
         layoutParams.setTrustedOverlay();