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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.packageinstaller.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.packageinstaller.AsyncTaskLiveData;
import com.android.packageinstaller.role.model.Role;
import com.android.packageinstaller.role.utils.PackageUtils;
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;
}
}
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