Don't show policy transparency UI for cross-profile setting.

Also removes the switch if cross-profile calendar is disabled by admin.

Test: atest ManagedProfileSettingsTest
Fixes: 123930863
Change-Id: Ieeb9266e8833d7ca730fedb5e947b03ec7d18d3c

src/com/android/settings/accounts/CrossProfileCalendarDisabledPreferenceController.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2019 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.accounts;
+import static com.android.settings.accounts.CrossProfileCalendarPreferenceController.isCrossProfileCalendarDisallowedByAdmin;
+
+import android.content.Context;
+import android.os.UserHandle;
+
+import com.android.settings.core.BasePreferenceController;
+
+public class CrossProfileCalendarDisabledPreferenceController extends BasePreferenceController {
+    private UserHandle mManagedUser;
+
+    public void setManagedUser(UserHandle managedUser) {
+        mManagedUser = managedUser;
+    }
+
+    public CrossProfileCalendarDisabledPreferenceController(Context context,
+            String preferenceKey) {
+        super(context, preferenceKey);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        if (mManagedUser != null
+                && isCrossProfileCalendarDisallowedByAdmin(
+                        mContext, mManagedUser.getIdentifier())) {
+            return AVAILABLE;
+        }
+
+        return DISABLED_FOR_USER;
+    }
+}

src/com/android/settings/accounts/CrossProfileCalendarPreferenceController.java

@@ -15,19 +15,21 @@ package com.android.settings.accounts;
 
 import static android.provider.Settings.Secure.CROSS_PROFILE_CALENDAR_ENABLED;
 
+import android.app.admin.DevicePolicyManager;
 import android.content.Context;
+import android.content.pm.PackageManager;
 import android.os.UserHandle;
 import android.provider.Settings;
-
-import androidx.preference.Preference;
+import android.util.Log;
 
 import com.android.settings.core.TogglePreferenceController;
-import com.android.settingslib.RestrictedLockUtils;
-import com.android.settingslib.RestrictedLockUtilsInternal;
-import com.android.settingslib.RestrictedSwitchPreference;
+
+import java.util.Set;
 
 public class CrossProfileCalendarPreferenceController extends TogglePreferenceController {
 
+    private static final String TAG = "CrossProfileCalendarPreferenceController";
+
     private UserHandle mManagedUser;
 
     public CrossProfileCalendarPreferenceController(Context context, String key) {
@@ -40,19 +42,13 @@ public class CrossProfileCalendarPreferenceController extends TogglePreferenceCo
 
     @Override
     public int getAvailabilityStatus() {
-        return (mManagedUser != null) ? AVAILABLE : DISABLED_FOR_USER;
-    }
-
-    @Override
-    public void updateState(Preference preference) {
-        super.updateState(preference);
-        if (preference instanceof RestrictedSwitchPreference && mManagedUser != null) {
-            final RestrictedSwitchPreference pref = (RestrictedSwitchPreference) preference;
-            final RestrictedLockUtils.EnforcedAdmin enforcedAdmin =
-                    RestrictedLockUtilsInternal.getCrossProfileCalendarEnforcingAdmin(
-                            mContext, mManagedUser.getIdentifier());
-            pref.setDisabledByAdmin(enforcedAdmin);
+        if (mManagedUser != null
+                && !isCrossProfileCalendarDisallowedByAdmin(
+                        mContext, mManagedUser.getIdentifier())) {
+            return AVAILABLE;
         }
+
+        return DISABLED_FOR_USER;
     }
 
     @Override
@@ -74,4 +70,25 @@ public class CrossProfileCalendarPreferenceController extends TogglePreferenceCo
         return Settings.Secure.putIntForUser(mContext.getContentResolver(),
                 CROSS_PROFILE_CALENDAR_ENABLED, value, mManagedUser.getIdentifier());
     }
+
+    static boolean isCrossProfileCalendarDisallowedByAdmin(Context context, int userId) {
+        final Context managedProfileContext = createPackageContextAsUser(context, userId);
+        final DevicePolicyManager dpm = managedProfileContext.getSystemService(
+                DevicePolicyManager.class);
+        if (dpm == null) {
+            return true;
+        }
+        final Set<String> packages = dpm.getCrossProfileCalendarPackages();
+        return packages != null && packages.isEmpty();
+    }
+
+    private static Context createPackageContextAsUser(Context context, int userId) {
+        try {
+            return context.createPackageContextAsUser(
+                    context.getPackageName(), 0 /* flags */, UserHandle.of(userId));
+        } catch (PackageManager.NameNotFoundException e) {
+            Log.e(TAG, "Failed to create user context", e);
+        }
+        return null;
+    }
 }

src/com/android/settings/accounts/ManagedProfileSettings.java

@@ -16,17 +16,23 @@
 
 package com.android.settings.accounts;
 
+import android.app.admin.DevicePolicyManager;
 import android.app.settings.SettingsEnums;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.SearchIndexableResource;
 import android.util.Log;
 
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceManager;
+
 import com.android.settings.R;
 import com.android.settings.Utils;
 import com.android.settings.dashboard.DashboardFragment;
@@ -36,6 +42,7 @@ import com.android.settingslib.search.SearchIndexable;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Set;
 
 /**
  * Setting page for managed profile.
@@ -72,6 +79,7 @@ public class ManagedProfileSettings extends DashboardFragment {
         use(WorkModePreferenceController.class).setManagedUser(mManagedUser);
         use(ContactSearchPreferenceController.class).setManagedUser(mManagedUser);
         use(CrossProfileCalendarPreferenceController.class).setManagedUser(mManagedUser);
+        use(CrossProfileCalendarDisabledPreferenceController.class).setManagedUser(mManagedUser);
     }
 
     @Override