From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Lin Yuan <linyuan@google.com>
Date: Tue, 31 May 2022 19:13:41 -0400
Subject: [PATCH] RESTRICT AUTOMERGE Fix: policy enforcement for location wifi
 scanning

Make DISALLOW_CONFIG_LOCATION effectively disallow wifi scanning and
bluetooth scanning settings for location services.

screenshots: https://screenshot.googleplex.com/49nR5HQ8g5bgNVq

Bug: 228315522
Bug: 228315529
Test: on device
Change-Id: I92b22567011c32f0874bcecb3898ef678bb549a1
(cherry picked from commit 9eff8f7a8d5140a4b674fa09cf333dce07fde76c)
Merged-In: I92b22567011c32f0874bcecb3898ef678bb549a1
---
 res/xml/location_scanning.xml                          |  4 ++--
 .../BluetoothScanningPreferenceController.java         | 10 ++++++++++
 .../location/WifiScanningPreferenceController.java     | 10 ++++++++++
 3 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/res/xml/location_scanning.xml b/res/xml/location_scanning.xml
index 5e7bd244520..f4847681150 100644
--- a/res/xml/location_scanning.xml
+++ b/res/xml/location_scanning.xml
@@ -18,13 +18,13 @@
         android:title="@string/location_scanning_screen_title"
         android:key="scanning_screen">
 
-        <SwitchPreference
+        <com.android.settingslib.RestrictedSwitchPreference
             android:title="@string/location_scanning_wifi_always_scanning_title"
             android:summary="@string/location_scanning_wifi_always_scanning_description"
             android:defaultValue="true"
             android:key="wifi_always_scanning" />
 
-        <SwitchPreference
+        <com.android.settingslib.RestrictedSwitchPreference
             android:title="@string/location_scanning_bluetooth_always_scanning_title"
             android:summary="@string/location_scanning_bluetooth_always_scanning_description"
             android:defaultValue="true"
diff --git a/src/com/android/settings/location/BluetoothScanningPreferenceController.java b/src/com/android/settings/location/BluetoothScanningPreferenceController.java
index c97bc7d8033..c0bc159f83a 100644
--- a/src/com/android/settings/location/BluetoothScanningPreferenceController.java
+++ b/src/com/android/settings/location/BluetoothScanningPreferenceController.java
@@ -14,11 +14,15 @@
 package com.android.settings.location;
 
 import android.content.Context;
+import android.os.UserHandle;
+import android.os.UserManager;
 import android.provider.Settings;
 import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.RestrictedLockUtils;
+import com.android.settingslib.RestrictedSwitchPreference;
 import com.android.settingslib.core.AbstractPreferenceController;
 
 public class BluetoothScanningPreferenceController extends AbstractPreferenceController
@@ -45,6 +49,12 @@ public class BluetoothScanningPreferenceController extends AbstractPreferenceCon
         ((SwitchPreference) preference).setChecked(
                 Settings.Global.getInt(mContext.getContentResolver(),
                         Settings.Global.BLE_SCAN_ALWAYS_AVAILABLE, 0) == 1);
+        final RestrictedLockUtils.EnforcedAdmin admin =
+            RestrictedLockUtils.checkIfRestrictionEnforced(
+                mContext, UserManager.DISALLOW_CONFIG_LOCATION, UserHandle.myUserId());
+        if (admin != null) {
+          ((RestrictedSwitchPreference) preference).setDisabledByAdmin(admin);
+        }
     }
 
     @Override
diff --git a/src/com/android/settings/location/WifiScanningPreferenceController.java b/src/com/android/settings/location/WifiScanningPreferenceController.java
index 8d4cf985d49..02e99225424 100644
--- a/src/com/android/settings/location/WifiScanningPreferenceController.java
+++ b/src/com/android/settings/location/WifiScanningPreferenceController.java
@@ -14,11 +14,15 @@
 package com.android.settings.location;
 
 import android.content.Context;
+import android.os.UserHandle;
+import android.os.UserManager;
 import android.provider.Settings;
 import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.RestrictedLockUtils;
+import com.android.settingslib.RestrictedSwitchPreference;
 import com.android.settingslib.core.AbstractPreferenceController;
 
 public class WifiScanningPreferenceController extends AbstractPreferenceController
@@ -45,6 +49,12 @@ public class WifiScanningPreferenceController extends AbstractPreferenceControll
         ((SwitchPreference) preference).setChecked(
                 Settings.Global.getInt(mContext.getContentResolver(),
                         Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE, 0) == 1);
+        final RestrictedLockUtils.EnforcedAdmin admin =
+            RestrictedLockUtils.checkIfRestrictionEnforced(
+                mContext, UserManager.DISALLOW_CONFIG_LOCATION, UserHandle.myUserId());
+        if (admin != null) {
+          ((RestrictedSwitchPreference) preference).setDisabledByAdmin(admin);
+        }
     }
 
     @Override