From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Beverly <beverlyt@google.com>
Date: Mon, 8 May 2023 16:33:12 +0000
Subject: [PATCH] On device lockdown, always show the keyguard

Manual test steps:
1. Enable app pinning and disable "Ask for PIN before unpinning" setting
2. Pin an app (ie: Settings)
3. Lockdown from the power menu
Observe: user is brought to the keyguard, primary auth is required
to enter the device. After entering credential, the device is still in
app pinning mode.

Test: atest KeyguardViewMediatorTest
Test: manual steps outlined above
Bug: 218495634
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:b23c2d5fb6630ea0da503b937f62880594b13e94)
Merged-In: I9a7c5e1acadabd4484e58573331f98dba895f2a2
Change-Id: I9a7c5e1acadabd4484e58573331f98dba895f2a2
---
 .../systemui/keyguard/KeyguardViewMediator.java        | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
index bac481c8e478..f0d389c15228 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
@@ -586,6 +586,13 @@ public class KeyguardViewMediator extends SystemUI {
                 notifyHasLockscreenWallpaperChanged(hasLockscreenWallpaper);
             }
         }
+
+        @Override
+        public void onStrongAuthStateChanged(int userId) {
+            if (mLockPatternUtils.isUserInLockdown(KeyguardUpdateMonitor.getCurrentUser())) {
+                doKeyguardLocked(null);
+            }
+        }
     };
 
     ViewMediatorCallback mViewMediatorCallback = new ViewMediatorCallback() {
@@ -1341,7 +1348,8 @@ public class KeyguardViewMediator extends SystemUI {
         }
 
         // if another app is disabling us, don't show
-        if (!mExternallyEnabled) {
+        if (!mExternallyEnabled
+            && !mLockPatternUtils.isUserInLockdown(KeyguardUpdateMonitor.getCurrentUser())) {
             if (DEBUG) Log.d(TAG, "doKeyguard: not showing because externally disabled");
 
             // note: we *should* set mNeedToReshowWhenReenabled=true here, but that makes
