| /* |
| * Copyright (C) 2014 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.notification; |
| |
| import static android.app.NotificationManager.IMPORTANCE_DEFAULT; |
| |
| import android.app.Notification; |
| import android.app.NotificationManager; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.telecom.TelecomManager; |
| |
| import com.android.internal.util.NotificationMessagingUtil; |
| |
| import java.util.Comparator; |
| import java.util.Objects; |
| |
| /** |
| * Sorts notifications individually into attention-relevant order. |
| */ |
| public class NotificationComparator |
| implements Comparator<NotificationRecord> { |
| |
| private final Context mContext; |
| private final NotificationMessagingUtil mMessagingUtil; |
| private String mDefaultPhoneApp; |
| |
| public NotificationComparator(Context context) { |
| mContext = context; |
| mContext.registerReceiver(mPhoneAppBroadcastReceiver, |
| new IntentFilter(TelecomManager.ACTION_DEFAULT_DIALER_CHANGED)); |
| mMessagingUtil = new NotificationMessagingUtil(mContext); |
| } |
| |
| @Override |
| public int compare(NotificationRecord left, NotificationRecord right) { |
| final int leftImportance = left.getImportance(); |
| final int rightImportance = right.getImportance(); |
| final boolean isLeftHighImportance = leftImportance >= IMPORTANCE_DEFAULT; |
| final boolean isRightHighImportance = rightImportance >= IMPORTANCE_DEFAULT; |
| |
| if (isLeftHighImportance != isRightHighImportance) { |
| // by importance bucket, high importance higher than low importance |
| return -1 * Boolean.compare(isLeftHighImportance, isRightHighImportance); |
| } |
| |
| // first all colorized notifications |
| boolean leftImportantColorized = isImportantColorized(left); |
| boolean rightImportantColorized = isImportantColorized(right); |
| |
| if (leftImportantColorized != rightImportantColorized) { |
| return -1 * Boolean.compare(leftImportantColorized, rightImportantColorized); |
| } |
| |
| // sufficiently important ongoing notifications of certain categories |
| boolean leftImportantOngoing = isImportantOngoing(left); |
| boolean rightImportantOngoing = isImportantOngoing(right); |
| |
| if (leftImportantOngoing != rightImportantOngoing) { |
| // by ongoing, ongoing higher than non-ongoing |
| return -1 * Boolean.compare(leftImportantOngoing, rightImportantOngoing); |
| } |
| |
| boolean leftMessaging = isImportantMessaging(left); |
| boolean rightMessaging = isImportantMessaging(right); |
| if (leftMessaging != rightMessaging) { |
| return -1 * Boolean.compare(leftMessaging, rightMessaging); |
| } |
| |
| // Next: sufficiently import person to person communication |
| boolean leftPeople = isImportantPeople(left); |
| boolean rightPeople = isImportantPeople(right); |
| final int contactAffinityComparison = |
| Float.compare(left.getContactAffinity(), right.getContactAffinity()); |
| |
| if (leftPeople && rightPeople){ |
| // by contact proximity, close to far. if same proximity, check further fields. |
| if (contactAffinityComparison != 0) { |
| return -1 * contactAffinityComparison; |
| } |
| } else if (leftPeople != rightPeople) { |
| // People, messaging higher than non-messaging |
| return -1 * Boolean.compare(leftPeople, rightPeople); |
| } |
| |
| if (leftImportance != rightImportance) { |
| // by importance, high to low |
| return -1 * Integer.compare(leftImportance, rightImportance); |
| } |
| |
| // by contact proximity, close to far. if same proximity, check further fields. |
| if (contactAffinityComparison != 0) { |
| return -1 * contactAffinityComparison; |
| } |
| |
| // Whether or not the notification can bypass DND. |
| final int leftPackagePriority = left.getPackagePriority(); |
| final int rightPackagePriority = right.getPackagePriority(); |
| if (leftPackagePriority != rightPackagePriority) { |
| // by priority, high to low |
| return -1 * Integer.compare(leftPackagePriority, rightPackagePriority); |
| } |
| |
| final int leftPriority = left.sbn.getNotification().priority; |
| final int rightPriority = right.sbn.getNotification().priority; |
| if (leftPriority != rightPriority) { |
| // by priority, high to low |
| return -1 * Integer.compare(leftPriority, rightPriority); |
| } |
| |
| // then break ties by time, most recent first |
| return -1 * Long.compare(left.getRankingTimeMs(), right.getRankingTimeMs()); |
| } |
| |
| private boolean isImportantColorized(NotificationRecord record) { |
| if (record.getImportance() < NotificationManager.IMPORTANCE_LOW) { |
| return false; |
| } |
| return record.getNotification().isColorized(); |
| } |
| |
| private boolean isImportantOngoing(NotificationRecord record) { |
| if (!isOngoing(record)) { |
| return false; |
| } |
| |
| if (record.getImportance() < NotificationManager.IMPORTANCE_LOW) { |
| return false; |
| } |
| |
| return isCall(record) || isMediaNotification(record); |
| } |
| |
| protected boolean isImportantPeople(NotificationRecord record) { |
| if (record.getImportance() < NotificationManager.IMPORTANCE_LOW) { |
| return false; |
| } |
| if (record.getContactAffinity() > ValidateNotificationPeople.NONE) { |
| return true; |
| } |
| return false; |
| } |
| |
| protected boolean isImportantMessaging(NotificationRecord record) { |
| return mMessagingUtil.isImportantMessaging(record.sbn, record.getImportance()); |
| } |
| |
| private boolean isOngoing(NotificationRecord record) { |
| final int ongoingFlags = Notification.FLAG_FOREGROUND_SERVICE; |
| return (record.getNotification().flags & ongoingFlags) != 0; |
| } |
| |
| private boolean isMediaNotification(NotificationRecord record) { |
| return record.getNotification().hasMediaSession(); |
| } |
| |
| private boolean isCall(NotificationRecord record) { |
| return record.isCategory(Notification.CATEGORY_CALL) |
| && isDefaultPhoneApp(record.sbn.getPackageName()); |
| } |
| |
| private boolean isDefaultPhoneApp(String pkg) { |
| if (mDefaultPhoneApp == null) { |
| final TelecomManager telecomm = |
| (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE); |
| mDefaultPhoneApp = telecomm != null ? telecomm.getDefaultDialerPackage() : null; |
| } |
| return Objects.equals(pkg, mDefaultPhoneApp); |
| } |
| |
| private final BroadcastReceiver mPhoneAppBroadcastReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| mDefaultPhoneApp = |
| intent.getStringExtra(TelecomManager.EXTRA_CHANGE_DEFAULT_DIALER_PACKAGE_NAME); |
| } |
| }; |
| } |