| /* |
| * 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.ArrayMap; |
| import android.util.Log; |
| |
| 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 com.android.role.controller.model.Roles; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * {@link LiveData} for a list of roles. |
| */ |
| public class RoleListLiveData extends AsyncTaskLiveData<List<RoleItem>> |
| implements OnRoleHoldersChangedListener { |
| |
| private static final String LOG_TAG = RoleListLiveData.class.getSimpleName(); |
| |
| private final boolean mExclusive; |
| @NonNull |
| private final UserHandle mUser; |
| @NonNull |
| private final Context mContext; |
| |
| public RoleListLiveData(boolean exclusive, @NonNull UserHandle user, @NonNull Context context) { |
| mExclusive = exclusive; |
| 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(); |
| } |
| |
| @NonNull |
| @Override |
| @WorkerThread |
| protected List<RoleItem> loadValueInBackground() { |
| ArrayMap<String, Role> roles = Roles.get(mContext); |
| |
| List<RoleItem> roleItems = new ArrayList<>(); |
| RoleManager roleManager = mContext.getSystemService(RoleManager.class); |
| int rolesSize = roles.size(); |
| for (int rolesIndex = 0; rolesIndex < rolesSize; rolesIndex++) { |
| Role role = roles.valueAt(rolesIndex); |
| |
| if (role.isExclusive() != mExclusive) { |
| continue; |
| } |
| |
| if (!role.isAvailableAsUser(mUser, mContext)) { |
| continue; |
| } |
| |
| if (!role.isVisibleAsUser(mUser, mContext)) { |
| continue; |
| } |
| |
| if (mExclusive && role.getQualifyingPackagesAsUser(mUser, mContext).isEmpty()) { |
| continue; |
| } |
| |
| List<ApplicationInfo> holderApplicationInfos = new ArrayList<>(); |
| List<String> holderPackageNames = roleManager.getRoleHoldersAsUser(role.getName(), |
| mUser); |
| int holderPackageNamesSize = holderPackageNames.size(); |
| for (int holderPackageNamesIndex = 0; holderPackageNamesIndex < holderPackageNamesSize; |
| holderPackageNamesIndex++) { |
| String holderPackageName = holderPackageNames.get(holderPackageNamesIndex); |
| |
| ApplicationInfo holderApplicationInfo = PackageUtils.getApplicationInfoAsUser( |
| holderPackageName, mUser, mContext); |
| if (holderApplicationInfo == null) { |
| Log.w(LOG_TAG, "Cannot get ApplicationInfo for application, package name: " |
| + holderPackageName + ", user id: " + mUser.getIdentifier()); |
| continue; |
| } |
| holderApplicationInfos.add(holderApplicationInfo); |
| } |
| |
| roleItems.add(new RoleItem(role, holderApplicationInfos)); |
| } |
| |
| return roleItems; |
| } |
| } |