Disable "Learn more" button for unknown apps disabled by admin on secondary profiles.

Test: packages/apps/Settings/tests/robotests/src/com/android/settings/applications/appinfo/ExternalSourcesDetailsTest.java
Test: packages/apps/Settings/tests/robotests/src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelperTest.java
Fixes:118881180
Change-Id: I8f6dbd9decba331fbe0a3495a2989f570f2afa67

src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelper.java

@@ -55,7 +55,7 @@ import java.util.Objects;
 public class ActionDisabledByAdminDialogHelper {
 
     private static final String TAG = ActionDisabledByAdminDialogHelper.class.getName();
-    private EnforcedAdmin mEnforcedAdmin;
+    @VisibleForTesting EnforcedAdmin mEnforcedAdmin;
     private ViewGroup mDialogView;
     private String mRestriction = null;
     private Activity mActivity;
@@ -80,20 +80,28 @@ public class ActionDisabledByAdminDialogHelper {
             EnforcedAdmin enforcedAdmin) {
         mEnforcedAdmin = enforcedAdmin;
         mRestriction = restriction;
-
         final AlertDialog.Builder builder = new AlertDialog.Builder(mActivity);
         mDialogView = (ViewGroup) LayoutInflater.from(builder.getContext()).inflate(
                 R.layout.admin_support_details_dialog, null);
         initializeDialogViews(mDialogView, mEnforcedAdmin.component, getEnforcementAdminUserId(),
                 mRestriction);
-        return builder
-            .setPositiveButton(R.string.okay, null)
-            .setNeutralButton(R.string.learn_more,
-                    (dialog, which) -> {
-                        showAdminPolicies(mEnforcedAdmin, mActivity);
-                        mActivity.finish();
-                    })
-            .setView(mDialogView);
+        builder.setPositiveButton(R.string.okay, null).setView(mDialogView);
+        maybeSetLearnMoreButton(builder);
+        return builder;
+    }
+
+    @VisibleForTesting
+    void maybeSetLearnMoreButton(AlertDialog.Builder builder) {
+        // The "Learn more" button appears only if the restriction is enforced by an admin in the
+        // same profile group. Otherwise the admin package and its policies are not accessible to
+        // the current user.
+        final UserManager um = UserManager.get(mActivity.getApplicationContext());
+        if (um.isSameProfileGroup(getEnforcementAdminUserId(mEnforcedAdmin), um.getUserHandle())) {
+            builder.setNeutralButton(R.string.learn_more, (dialog, which) -> {
+                showAdminPolicies(mEnforcedAdmin, mActivity);
+                mActivity.finish();
+            });
+        }
     }
 
     public void updateDialog(String restriction, EnforcedAdmin admin) {

tests/robotests/src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelperTest.java

@@ -20,6 +20,11 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
 
 import android.app.Activity;
 import android.app.admin.DevicePolicyManager;
@@ -33,6 +38,8 @@ import android.view.ViewGroup;
 import android.widget.FrameLayout;
 import android.widget.TextView;
 
+import androidx.appcompat.app.AlertDialog;
+
 import com.android.settings.R;
 import com.android.settings.Settings;
 import com.android.settings.applications.specialaccess.deviceadmin.DeviceAdminAdd;
@@ -179,5 +186,28 @@ public class ActionDisabledByAdminDialogHelperTest {
         mHelper.setAdminSupportDetails(mActivity, null, admin);
         assertNull(admin.component);
     }
-}
 
+    @Test
+    public void testMaybeSetLearnMoreButton() {
+        final UserManager userManager = RuntimeEnvironment.application.getSystemService(
+                UserManager.class);
+        final ShadowUserManager userManagerShadow = Shadow.extract(userManager);
+        final ComponentName component = new ComponentName("some.package.name",
+                "some.package.name.SomeClass");
+        mHelper.mEnforcedAdmin = new EnforcedAdmin(component, UserHandle.of(123));
+
+        // Set up for shadow call.
+        userManagerShadow.getSameProfileGroupIds().put(123, 0);
+
+        // Test that the button is shown when user IDs are in the same profile group
+        AlertDialog.Builder builder = mock(AlertDialog.Builder.class);
+        mHelper.maybeSetLearnMoreButton(builder);
+        verify(builder).setNeutralButton(anyInt(), any());
+
+        // Test that the button is not shown when user IDs are not in the same profile group
+        userManagerShadow.getSameProfileGroupIds().clear();
+        builder = mock(AlertDialog.Builder.class);
+        mHelper.maybeSetLearnMoreButton(builder);
+        verify(builder, never()).setNeutralButton(anyInt(), any());
+    }
+}

tests/robotests/src/com/android/settings/testutils/shadow/ShadowUserManager.java

@@ -22,6 +22,8 @@ import android.os.UserHandle;
 import android.os.UserManager;
 import android.os.UserManager.EnforcingUser;
 
+import com.google.android.collect.Maps;
+
 import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Implementation;
 import org.robolectric.annotation.Implements;
@@ -48,6 +50,7 @@ public class ShadowUserManager extends org.robolectric.shadows.ShadowUserManager
     private boolean mIsQuietModeEnabled = false;
     private int[] profileIdsForUser = new int[0];
     private boolean mUserSwitchEnabled;
+    private final Map<Integer, Integer> mSameProfileGroupIds = Maps.newHashMap();
 
     public void addProfile(UserInfo userInfo) {
         mUserProfileInfos.add(userInfo);
@@ -138,6 +141,18 @@ public class ShadowUserManager extends org.robolectric.shadows.ShadowUserManager
         return sIsSupportsMultipleUsers;
     }
 
+    @Implementation
+    protected boolean isSameProfileGroup(@UserIdInt int userId, int otherUserId) {
+        return mSameProfileGroupIds.containsKey(userId)
+                && mSameProfileGroupIds.get(userId) == otherUserId
+                || mSameProfileGroupIds.containsKey(otherUserId)
+                && mSameProfileGroupIds.get(otherUserId) == userId;
+    }
+
+    public Map<Integer, Integer> getSameProfileGroupIds() {
+        return mSameProfileGroupIds;
+    }
+
     public void setSupportsMultipleUsers(boolean supports) {
         sIsSupportsMultipleUsers = supports;
     }