[RESTRICT AUTOMERGE] Restrict WifiDialogActivity

- Don't show WifiDialogActivity if user has DISALLOW_ADD_WIFI_CONFIG

Bug: 299931761
Flag: None
Test: manual test with TestDPC
atest -c SettingsRoboTests:WifiDialogActivityTest

(cherry picked from commit 51fa3d7)
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:a0409e582c30d2d6ff347eefd173ae169963df75)
Merged-In: Icbb8f45922ded163208976be9c2816060dcf09f1
Change-Id: Icbb8f45922ded163208976be9c2816060dcf09f1

Author: Weng Su

src/com/android/settings/wifi/WifiDialogActivity.java

@@ -17,6 +17,7 @@
 package com.android.settings.wifi;
 
 import static android.Manifest.permission.ACCESS_FINE_LOCATION;
+import static android.os.UserManager.DISALLOW_ADD_WIFI_CONFIG;
 import static android.os.UserManager.DISALLOW_CONFIG_WIFI;
 
 import android.app.KeyguardManager;
@@ -122,7 +123,7 @@ protected void onCreate(Bundle savedInstanceState) {
         }
 
         super.onCreate(savedInstanceState);
-        if (!isConfigWifiAllowed()) {
+        if (!isConfigWifiAllowed() || !isAddWifiConfigAllowed()) {
             finish();
             return;
         }
@@ -393,6 +394,16 @@ boolean isConfigWifiAllowed() {
         return isConfigWifiAllowed;
     }
 
+    @VisibleForTesting
+    boolean isAddWifiConfigAllowed() {
+        UserManager userManager = getSystemService(UserManager.class);
+        if (userManager != null && userManager.hasUserRestriction(DISALLOW_ADD_WIFI_CONFIG)) {
+            Log.e(TAG, "The user is not allowed to add Wi-Fi configuration.");
+            return false;
+        }
+        return true;
+    }
+
     private boolean hasWifiManager() {
         if (mWifiManager != null) return true;
         mWifiManager = getSystemService(WifiManager.class);

tests/robotests/src/com/android/settings/wifi/WifiDialogActivityTest.java

@@ -18,6 +18,7 @@
 
 import static android.Manifest.permission.ACCESS_COARSE_LOCATION;
 import static android.Manifest.permission.ACCESS_FINE_LOCATION;
+import static android.os.UserManager.DISALLOW_ADD_WIFI_CONFIG;
 import static android.os.UserManager.DISALLOW_CONFIG_WIFI;
 
 import static com.android.settings.wifi.WifiDialogActivity.REQUEST_CODE_WIFI_DPP_ENROLLEE_QR_CODE_SCANNER;
@@ -242,6 +243,20 @@ public void isConfigWifiAllowed_hasUserRestriction_returnFalse() {
         assertThat(mActivity.isConfigWifiAllowed()).isFalse();
     }
 
+    @Test
+    public void isAddWifiConfigAllowed_hasNoUserRestriction_returnTrue() {
+        when(mUserManager.hasUserRestriction(DISALLOW_ADD_WIFI_CONFIG)).thenReturn(false);
+
+        assertThat(mActivity.isAddWifiConfigAllowed()).isTrue();
+    }
+
+    @Test
+    public void isAddWifiConfigAllowed_hasUserRestriction_returnFalse() {
+        when(mUserManager.hasUserRestriction(DISALLOW_ADD_WIFI_CONFIG)).thenReturn(true);
+
+        assertThat(mActivity.isAddWifiConfigAllowed()).isFalse();
+    }
+
     @Test
     public void hasPermissionForResult_noCallingPackage_returnFalse() {
         when(mActivity.getCallingPackage()).thenReturn(null);