| /* |
| * Copyright (C) 2021 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.server.wifi; |
| |
| import static com.android.server.wifi.WifiService.NOTIFICATION_NETWORK_ALERTS; |
| import static com.android.server.wifi.WifiService.NOTIFICATION_NETWORK_AVAILABLE; |
| import static com.android.server.wifi.WifiService.NOTIFICATION_NETWORK_STATUS; |
| |
| import android.app.Notification; |
| import android.app.NotificationChannel; |
| import android.app.NotificationManager; |
| import android.content.Context; |
| import android.content.pm.PackageManager; |
| import android.os.UserHandle; |
| import android.service.notification.StatusBarNotification; |
| import android.util.Log; |
| |
| import com.android.wifi.resources.R; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Notification manager for Wifi. All notification will be sent to the current user. |
| */ |
| public class WifiNotificationManager { |
| private static final String TAG = "WifiNotificationManager"; |
| private static final String NOTIFICATION_TAG = "com.android.wifi"; |
| |
| private final Context mContext; |
| private NotificationManager mNotificationManager; |
| |
| public WifiNotificationManager(Context context) { |
| mContext = context; |
| } |
| |
| private NotificationManager getNotificationManagerForCurrentUser() { |
| try { |
| return mContext.createPackageContextAsUser(mContext.getPackageName(), 0, |
| UserHandle.CURRENT).getSystemService(NotificationManager.class); |
| } catch (PackageManager.NameNotFoundException e) { |
| Log.e(TAG, "Failed to get NotificationManager for current user: " + e.getMessage()); |
| } |
| return null; |
| } |
| |
| /** |
| * Update to the notification manager fot current user and create notification channels. |
| */ |
| public void createNotificationChannels() { |
| if (mNotificationManager != null) { |
| // Cancel all active notification from Wi-Fi Stack. |
| cleanAllWifiNotification(); |
| } |
| mNotificationManager = getNotificationManagerForCurrentUser(); |
| if (mNotificationManager == null) { |
| return; |
| } |
| List<NotificationChannel> channelsList = new ArrayList<>(); |
| final NotificationChannel networkStatusChannel = new NotificationChannel( |
| NOTIFICATION_NETWORK_STATUS, |
| mContext.getResources().getString( |
| R.string.notification_channel_network_status), |
| NotificationManager.IMPORTANCE_LOW); |
| channelsList.add(networkStatusChannel); |
| |
| final NotificationChannel networkAlertsChannel = new NotificationChannel( |
| NOTIFICATION_NETWORK_ALERTS, |
| mContext.getResources().getString( |
| R.string.notification_channel_network_alerts), |
| NotificationManager.IMPORTANCE_HIGH); |
| networkAlertsChannel.setBlockable(true); |
| channelsList.add(networkAlertsChannel); |
| |
| final NotificationChannel networkAvailable = new NotificationChannel( |
| NOTIFICATION_NETWORK_AVAILABLE, |
| mContext.getResources().getString( |
| R.string.notification_channel_network_available), |
| NotificationManager.IMPORTANCE_LOW); |
| networkAvailable.setBlockable(true); |
| channelsList.add(networkAvailable); |
| |
| mNotificationManager.createNotificationChannels(channelsList); |
| } |
| |
| private void cleanAllWifiNotification() { |
| for (StatusBarNotification notification : getActiveNotifications()) { |
| if (NOTIFICATION_TAG.equals(notification.getTag())) { |
| cancel(notification.getId()); |
| } |
| } |
| } |
| |
| /** |
| * Send notification to the current user. |
| */ |
| public void notify(int id, Notification notification) { |
| if (mNotificationManager == null) { |
| return; |
| } |
| mNotificationManager.notify(NOTIFICATION_TAG, id, notification); |
| } |
| |
| /** |
| * Cancel the notification fot current user. |
| */ |
| public void cancel(int id) { |
| if (mNotificationManager == null) { |
| return; |
| } |
| mNotificationManager.cancel(NOTIFICATION_TAG, id); |
| } |
| |
| /** |
| * Get active notifications for current user. |
| */ |
| public StatusBarNotification[] getActiveNotifications() { |
| if (mNotificationManager == null) { |
| return new StatusBarNotification[0]; |
| } |
| return mNotificationManager.getActiveNotifications(); |
| } |
| } |