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/*
* 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.permissioncontroller.role.utils.RoleUiBehaviorUtils;
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 (!RoleUiBehaviorUtils.isVisibleAsUser(role, 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;
}
}
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