| /* |
| * 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.settingslib.utils; |
| |
| |
| import android.app.admin.DevicePolicyManager; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.provider.Settings; |
| |
| import androidx.annotation.Nullable; |
| |
| import java.util.List; |
| |
| |
| /** |
| * Utility class for find out when to show WorkPolicyInfo |
| */ |
| public class WorkPolicyUtils { |
| |
| private final Context mContext; |
| private final PackageManager mPackageManager; |
| private final UserManager mUserManager; |
| private final DevicePolicyManager mDevicePolicyManager; |
| |
| private static final int USER_NULL = -10000; |
| |
| public WorkPolicyUtils( |
| Context context |
| ) { |
| mContext = context; |
| mPackageManager = context.getPackageManager(); |
| mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE); |
| mDevicePolicyManager = |
| (DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE); |
| } |
| |
| /** |
| * Returns {@code true} if it is possilbe to resolve an Intent to launch the "Your work policy |
| * info" page provided by the active Device Owner or Profile Owner app if it exists, {@code |
| * false} otherwise. |
| */ |
| public boolean hasWorkPolicy() { |
| return getWorkPolicyInfoIntentDO() != null || getWorkPolicyInfoIntentPO() != null; |
| } |
| |
| /** |
| * Launches the Device Owner or Profile Owner's activity that displays the "Your work policy |
| * info" page. Returns {@code true} if the activity has indeed been launched. |
| */ |
| public boolean showWorkPolicyInfo(Context activityContext) { |
| Intent intent = getWorkPolicyInfoIntentDO(); |
| if (intent != null) { |
| activityContext.startActivity(intent); |
| return true; |
| } |
| |
| intent = getWorkPolicyInfoIntentPO(); |
| final int userId = getManagedProfileUserId(); |
| if (intent != null && userId != USER_NULL) { |
| activityContext.startActivityAsUser(intent, UserHandle.of(userId)); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| /** |
| * Returns the work policy info intent if the device owner component exists, |
| * and returns {@code null} otherwise |
| */ |
| @Nullable |
| public Intent getWorkPolicyInfoIntentDO() { |
| final ComponentName ownerComponent = getDeviceOwnerComponent(); |
| if (ownerComponent == null) { |
| return null; |
| } |
| |
| // Only search for the required action in the Device Owner's package |
| final Intent intent = |
| new Intent(Settings.ACTION_SHOW_WORK_POLICY_INFO) |
| .setPackage(ownerComponent.getPackageName()); |
| final List<ResolveInfo> activities = mPackageManager.queryIntentActivities(intent, 0); |
| if (activities.size() != 0) { |
| return intent; |
| } |
| |
| return null; |
| } |
| |
| @Nullable |
| private ComponentName getManagedProfileOwnerComponent(int managedUserId) { |
| if (managedUserId == USER_NULL) { |
| return null; |
| } |
| Context managedProfileContext; |
| try { |
| managedProfileContext = |
| mContext.createPackageContextAsUser( |
| mContext.getPackageName(), 0, UserHandle.of(managedUserId) |
| ); |
| } catch (PackageManager.NameNotFoundException e) { |
| return null; |
| } |
| |
| DevicePolicyManager managedProfileDevicePolicyManager = |
| (DevicePolicyManager) |
| managedProfileContext.getSystemService(Context.DEVICE_POLICY_SERVICE); |
| ComponentName ownerComponent = managedProfileDevicePolicyManager.getProfileOwner(); |
| return ownerComponent; |
| } |
| |
| /** |
| * Returns the work policy info intent if the profile owner component exists, |
| * and returns {@code null} otherwise |
| */ |
| @Nullable |
| public Intent getWorkPolicyInfoIntentPO() { |
| final int managedUserId = getManagedProfileUserId(); |
| ComponentName ownerComponent = getManagedProfileOwnerComponent(managedUserId); |
| if (ownerComponent == null) { |
| return null; |
| } |
| |
| // Only search for the required action in the Profile Owner's package |
| final Intent intent = |
| new Intent(Settings.ACTION_SHOW_WORK_POLICY_INFO) |
| .setPackage(ownerComponent.getPackageName()); |
| final List<ResolveInfo> activities = |
| mPackageManager.queryIntentActivitiesAsUser( |
| intent, 0, UserHandle.of(managedUserId)); |
| if (activities.size() != 0) { |
| return intent; |
| } |
| |
| return null; |
| } |
| |
| @Nullable |
| private ComponentName getDeviceOwnerComponent() { |
| if (!mPackageManager.hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN)) { |
| return null; |
| } |
| return mDevicePolicyManager.getDeviceOwnerComponentOnAnyUser(); |
| } |
| |
| /** |
| * Returns the user id of the managed profile, and returns {@code USER_NULL} otherwise |
| */ |
| public int getManagedProfileUserId() { |
| List<UserHandle> allProfiles = mUserManager.getAllProfiles(); |
| for (UserHandle uh : allProfiles) { |
| int id = uh.getIdentifier(); |
| if (mUserManager.isManagedProfile(id)) { |
| return id; |
| } |
| } |
| return USER_NULL; |
| } |
| |
| } |