Show policy transparency dialog if adding Wi-Fi config is not allowed

- When the user is restricted by UserManager.DISALLOW_ADD_WIFI_CONFIG, clicking on a Wi-Fi network will show the Settings policy transparency dialog.

- The "Not allowed by your organization" summary in Wi-Fi networks will be removed in a separate CL.

Bug: 233871529
Test: manual test
make RunSettingsRoboTests ROBOTEST_FILTER=Wifi

Change-Id: Ia978be8e85a5809de1331f3e0edc11fbc8925c80

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

@@ -19,28 +19,25 @@ package com.android.settings.wifi;
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.drawable.Drawable;
+import android.os.UserManager;
 import android.util.Log;
 import android.widget.ImageButton;
 
 import androidx.annotation.DrawableRes;
-import androidx.preference.Preference;
 import androidx.preference.PreferenceViewHolder;
 
-import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.R;
 import com.android.settings.wifi.dpp.WifiDppUtils;
-import com.android.settingslib.wifi.WifiEnterpriseRestrictionUtils;
+import com.android.settingslib.RestrictedPreference;
 
 /**
  * The Preference for users to add Wi-Fi networks in WifiSettings
  */
-public class AddWifiNetworkPreference extends Preference {
+public class AddWifiNetworkPreference extends RestrictedPreference {
 
     private static final String TAG = "AddWifiNetworkPreference";
 
     private final Drawable mScanIconDrawable;
-    @VisibleForTesting
-    boolean mIsAddWifiConfigAllow;
 
     public AddWifiNetworkPreference(Context context) {
         super(context);
@@ -51,8 +48,7 @@ public class AddWifiNetworkPreference extends Preference {
         setTitle(R.string.wifi_add_network);
 
         mScanIconDrawable = getDrawable(R.drawable.ic_scan_24dp);
-        mIsAddWifiConfigAllow = WifiEnterpriseRestrictionUtils.isAddWifiConfigAllowed(context);
-        updatePreferenceForRestriction();
+        checkRestrictionAndSetDisabled(UserManager.DISALLOW_ADD_WIFI_CONFIG);
     }
 
     @Override
@@ -79,12 +75,4 @@ public class AddWifiNetworkPreference extends Preference {
         }
         return buttonIcon;
     }
-
-    @VisibleForTesting
-    void updatePreferenceForRestriction() {
-        if (!mIsAddWifiConfigAllow) {
-            setEnabled(false);
-            setSummary(R.string.not_allowed_by_ent);
-        }
-    }
 }

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

@@ -21,6 +21,7 @@ import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.StateListDrawable;
+import android.os.UserManager;
 import android.text.TextUtils;
 import android.view.View;
 import android.widget.ImageButton;
@@ -30,10 +31,10 @@ import android.widget.TextView;
 import androidx.annotation.DrawableRes;
 import androidx.annotation.NonNull;
 import androidx.annotation.VisibleForTesting;
-import androidx.preference.Preference;
 import androidx.preference.PreferenceViewHolder;
 
 import com.android.settingslib.R;
+import com.android.settingslib.RestrictedPreference;
 import com.android.settingslib.Utils;
 import com.android.settingslib.wifi.WifiUtils;
 import com.android.wifitrackerlib.BaseWifiTracker;
@@ -42,7 +43,8 @@ import com.android.wifitrackerlib.WifiEntry;
 /**
  * Preference to display a WifiEntry in a wifi picker.
  */
-public class WifiEntryPreference extends Preference implements WifiEntry.WifiEntryCallback,
+public class WifiEntryPreference extends RestrictedPreference implements
+        WifiEntry.WifiEntryCallback,
         View.OnClickListener {
 
     private static final int[] STATE_SECURED = {
@@ -86,6 +88,7 @@ public class WifiEntryPreference extends Preference implements WifiEntry.WifiEnt
         mWifiEntry = wifiEntry;
         mWifiEntry.setListener(this);
         mIconInjector = iconInjector;
+        checkRestrictionAndSetDisabled(UserManager.DISALLOW_ADD_WIFI_CONFIG);
         refresh();
     }
 
@@ -309,5 +312,4 @@ public class WifiEntryPreference extends Preference implements WifiEntry.WifiEnt
         }
         return buttonIcon;
     }
-
 }

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

@@ -17,61 +17,56 @@ package com.android.settings.wifi;
 
 import static com.google.common.truth.Truth.assertThat;
 
-import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.when;
-
 import android.content.Context;
 import android.os.UserManager;
 
 import androidx.test.core.app.ApplicationProvider;
 
-import com.android.settings.R;
+import com.android.settingslib.RestrictedLockUtils;
 
 import org.junit.Before;
+import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
+import org.mockito.Spy;
+import org.mockito.junit.MockitoJUnit;
+import org.mockito.junit.MockitoRule;
 import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
 
 @RunWith(RobolectricTestRunner.class)
+@Config(shadows = ShadowRestrictedPreference.class)
 public class AddWifiNetworkPreferenceTest {
 
-    private Context mContext;
-    private AddWifiNetworkPreference mPreference;
+    @Rule
+    public final MockitoRule mMockitoRule = MockitoJUnit.rule();
+    @Spy
+    Context mContext = ApplicationProvider.getApplicationContext();
 
-    @Mock
-    private UserManager mUserManager;
+    private AddWifiNetworkPreference mPreference;
 
     @Before
     public void setUp() {
-        MockitoAnnotations.initMocks(this);
-
-        mContext = spy(ApplicationProvider.getApplicationContext());
-        when(mContext.getSystemService(UserManager.class)).thenReturn(mUserManager);
         mPreference = new AddWifiNetworkPreference(mContext);
-
     }
 
     @Test
     public void updatePreferenceForRestriction_isAddWifiConfigAllowed_prefIsEnabled() {
-        mPreference.mIsAddWifiConfigAllow = true;
+        // If the user is allowed to add Wi-Fi configuration then the EnforcedAdmin will be null.
+        RestrictedLockUtils.EnforcedAdmin enforcedAdmin = null;
 
-        mPreference.updatePreferenceForRestriction();
+        mPreference.setDisabledByAdmin(enforcedAdmin);
 
         assertThat(mPreference.isEnabled()).isTrue();
-        assertThat(mPreference.getSummary()).isNull();
     }
 
     @Test
     public void updatePreferenceForRestriction_isAddWifiConfigNotAllowed_prefIsDisabled() {
-        mPreference.mIsAddWifiConfigAllow = false;
+        RestrictedLockUtils.EnforcedAdmin enforcedAdmin = new RestrictedLockUtils.EnforcedAdmin(
+                null /* component */, UserManager.DISALLOW_ADD_WIFI_CONFIG, null /* user */);
 
-        mPreference.updatePreferenceForRestriction();
+        mPreference.setDisabledByAdmin(enforcedAdmin);
 
         assertThat(mPreference.isEnabled()).isFalse();
-        assertThat(mPreference.getSummary())
-                .isEqualTo(mContext.getString(R.string.not_allowed_by_ent));
     }
 }

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

@@ -35,8 +35,10 @@ import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
 
 @RunWith(RobolectricTestRunner.class)
+@Config(shadows = ShadowRestrictedPreference.class)
 public class ConnectedWifiEntryPreferenceTest {
 
     @Mock

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

@@ -36,8 +36,10 @@ import org.mockito.Spy;
 import org.mockito.junit.MockitoJUnit;
 import org.mockito.junit.MockitoRule;
 import org.robolectric.RobolectricTestRunner;
+import org.robolectric.annotation.Config;
 
 @RunWith(RobolectricTestRunner.class)
+@Config(shadows = ShadowRestrictedPreference.class)
 public class LongPressWifiEntryPreferenceTest {
 
     @Rule

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

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.wifi;
+
+import com.android.settingslib.RestrictedPreference;
+
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+
+@Implements(RestrictedPreference.class)
+public class ShadowRestrictedPreference {
+
+    @Implementation
+    public void checkRestrictionAndSetDisabled(String userRestriction) {
+        // do nothing
+    }
+}

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

@@ -40,11 +40,13 @@ import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
 
 import java.util.ArrayList;
 import java.util.List;
 
 @RunWith(RobolectricTestRunner.class)
+@Config(shadows = ShadowRestrictedPreference.class)
 public class WifiEntryPreferenceTest {
 
     private Context mContext;

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

@@ -70,6 +70,7 @@ import org.robolectric.annotation.Config;
 import org.robolectric.shadows.ShadowToast;
 
 @RunWith(RobolectricTestRunner.class)
+@Config(shadows = ShadowRestrictedPreference.class)
 public class WifiSettingsTest {
 
     private static final int NUM_NETWORKS = 4;

tests/robotests/src/com/android/settings/wifi/dpp/WifiNetworkListFragmentTest.java

@@ -36,6 +36,7 @@ import androidx.preference.Preference;
 import androidx.preference.PreferenceCategory;
 import androidx.test.InstrumentationRegistry;
 
+import com.android.settings.wifi.ShadowRestrictedPreference;
 import com.android.settings.wifi.WifiEntryPreference;
 import com.android.wifitrackerlib.SavedNetworkTracker;
 import com.android.wifitrackerlib.WifiEntry;
@@ -45,10 +46,12 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RobolectricTestRunner;
+import org.robolectric.annotation.Config;
 
 import java.util.Arrays;
 
 @RunWith(RobolectricTestRunner.class)
+@Config(shadows = ShadowRestrictedPreference.class)
 public class WifiNetworkListFragmentTest {
     private WifiNetworkListFragment mWifiNetworkListFragment;
     private Context mContext;