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/*
* Copyright (C) 2020 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.model;
import android.app.NotificationManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.pm.ServiceInfo;
import android.os.Process;
import android.os.UserHandle;
import android.service.notification.NotificationListenerService;
import android.util.Log;
import androidx.annotation.NonNull;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import com.android.permissioncontroller.role.utils.UserUtils;
/**
* Class for behavior of the "watch" Companion device profile role.
*/
public class CompanionDeviceWatchRoleBehavior implements RoleBehavior {
public static final String LOG_TAG = CompanionDeviceWatchRoleBehavior.class.getSimpleName();
@Override
public void grant(@NonNull Role role, @NonNull String packageName, @NonNull Context context) {
UserHandle user = Process.myUserHandle();
if (!UserUtils.isWorkProfile(user, context)) {
List<ComponentName> notificationListenersForPackage =
getNotificationListenersForPackage(packageName, context);
setNotificationGrantState(context, notificationListenersForPackage, true);
}
}
private void setNotificationGrantState(@NonNull Context context,
List<ComponentName> notificationListenersForPackage, boolean granted) {
NotificationManager notificationManager =
context.getSystemService(NotificationManager.class);
int size = notificationListenersForPackage.size();
for (int i = 0; i < size; i++) {
ComponentName componentName = notificationListenersForPackage.get(i);
notificationManager.setNotificationListenerAccessGranted(
componentName, granted, false);
}
}
private List<ComponentName> getNotificationListenersForPackage(@NonNull String packageName,
@NonNull Context context) {
List<ResolveInfo> allListeners = context.getPackageManager().queryIntentServices(
new Intent(NotificationListenerService.SERVICE_INTERFACE).setPackage(packageName),
PackageManager.MATCH_DIRECT_BOOT_AWARE | PackageManager.MATCH_DIRECT_BOOT_UNAWARE);
ArrayList<ComponentName> pkgListeners = new ArrayList<>();
int size = allListeners.size();
for (int i = 0; i < size; i++) {
ResolveInfo service = allListeners.get(i);
ServiceInfo serviceInfo = service.serviceInfo;
if (Objects.equals(serviceInfo.permission,
android.Manifest.permission.BIND_NOTIFICATION_LISTENER_SERVICE)
&& packageName.equals(serviceInfo.packageName)) {
pkgListeners.add(new ComponentName(serviceInfo.packageName, serviceInfo.name));
}
}
Log.d(LOG_TAG, "getNotificationListenersForPackage(" + packageName + "): " + pkgListeners);
return pkgListeners;
}
@Override
public void revoke(@NonNull Role role, @NonNull String packageName, @NonNull Context context) {
UserHandle user = Process.myUserHandle();
if (!UserUtils.isWorkProfile(user, context)) {
NotificationManager notificationManager =
context.getSystemService(NotificationManager.class);
List<ComponentName> enabledNotificationListeners =
notificationManager.getEnabledNotificationListeners();
setNotificationGrantState(context, enabledNotificationListeners, false);
}
}
}
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