| /* |
| * Copyright (C) 2018 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.permissioncontroller.role.ui; |
| |
| import android.app.role.OnRoleHoldersChangedListener; |
| import android.app.role.RoleManager; |
| import android.content.Context; |
| import android.content.pm.ApplicationInfo; |
| import android.os.UserHandle; |
| import android.util.Log; |
| import android.util.Pair; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.WorkerThread; |
| import androidx.lifecycle.LiveData; |
| |
| import com.android.permissioncontroller.AsyncTaskLiveData; |
| import com.android.permissioncontroller.role.utils.PackageUtils; |
| import com.android.role.controller.model.Role; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * {@link LiveData} for a role. |
| */ |
| public class RoleLiveData extends AsyncTaskLiveData<List<Pair<ApplicationInfo, Boolean>>> |
| implements OnRoleHoldersChangedListener { |
| |
| private static final String LOG_TAG = RoleLiveData.class.getSimpleName(); |
| |
| @NonNull |
| private final Role mRole; |
| @NonNull |
| private final UserHandle mUser; |
| @NonNull |
| private final Context mContext; |
| |
| public RoleLiveData(@NonNull Role role, @NonNull UserHandle user, @NonNull Context context) { |
| mRole = role; |
| mUser = user; |
| mContext = context; |
| } |
| |
| @Override |
| protected void onActive() { |
| loadValue(); |
| |
| RoleManager roleManager = mContext.getSystemService(RoleManager.class); |
| roleManager.addOnRoleHoldersChangedListenerAsUser(mContext.getMainExecutor(), this, mUser); |
| } |
| |
| @Override |
| protected void onInactive() { |
| RoleManager roleManager = mContext.getSystemService(RoleManager.class); |
| roleManager.removeOnRoleHoldersChangedListenerAsUser(this, mUser); |
| } |
| |
| @Override |
| public void onRoleHoldersChanged(@NonNull String roleName, @NonNull UserHandle user) { |
| loadValue(); |
| } |
| |
| @Override |
| @WorkerThread |
| protected List<Pair<ApplicationInfo, Boolean>> loadValueInBackground() { |
| RoleManager roleManager = mContext.getSystemService(RoleManager.class); |
| List<String> holderPackageNames = roleManager.getRoleHoldersAsUser(mRole.getName(), mUser); |
| |
| List<String> qualifyingPackageNames = mRole.getQualifyingPackagesAsUser(mUser, mContext); |
| List<Pair<ApplicationInfo, Boolean>> qualifyingApplications = new ArrayList<>(); |
| int qualifyingPackageNamesSize = qualifyingPackageNames.size(); |
| for (int i = 0; i < qualifyingPackageNamesSize; i++) { |
| String qualifyingPackageName = qualifyingPackageNames.get(i); |
| |
| ApplicationInfo qualifyingApplicationInfo = PackageUtils.getApplicationInfoAsUser( |
| qualifyingPackageName, mUser, mContext); |
| if (qualifyingApplicationInfo == null) { |
| Log.w(LOG_TAG, "Cannot get ApplicationInfo for application, skipping: " |
| + qualifyingPackageName); |
| continue; |
| } |
| if (!mRole.isApplicationVisibleAsUser(qualifyingApplicationInfo, mUser, mContext)) { |
| continue; |
| } |
| boolean isHolderApplication = holderPackageNames.contains(qualifyingPackageName); |
| qualifyingApplications.add(new Pair<>(qualifyingApplicationInfo, isHolderApplication)); |
| } |
| |
| return qualifyingApplications; |
| } |
| } |