| /* |
| * Copyright (C) 2019 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.systemui.statusbar.notification.collection |
| |
| import android.app.NotificationManager.IMPORTANCE_HIGH |
| import android.app.NotificationManager.IMPORTANCE_MIN |
| import android.service.notification.NotificationListenerService.Ranking |
| import android.service.notification.NotificationListenerService.RankingMap |
| import android.service.notification.StatusBarNotification |
| import com.android.systemui.statusbar.NotificationMediaManager |
| import com.android.systemui.statusbar.notification.NotificationFilter |
| import com.android.systemui.statusbar.notification.NotificationSectionsFeatureManager |
| import com.android.systemui.statusbar.notification.collection.provider.HighPriorityProvider |
| import com.android.systemui.statusbar.notification.logging.NotifEvent |
| import com.android.systemui.statusbar.notification.logging.NotifLog |
| import com.android.systemui.statusbar.notification.people.PeopleNotificationIdentifier |
| import com.android.systemui.statusbar.notification.stack.NotificationSectionsManager.BUCKET_ALERTING |
| import com.android.systemui.statusbar.notification.stack.NotificationSectionsManager.BUCKET_PEOPLE |
| import com.android.systemui.statusbar.notification.stack.NotificationSectionsManager.BUCKET_SILENT |
| import com.android.systemui.statusbar.phone.NotificationGroupManager |
| import com.android.systemui.statusbar.policy.HeadsUpManager |
| import dagger.Lazy |
| import java.util.Objects |
| import javax.inject.Inject |
| |
| private const val TAG = "NotifRankingManager" |
| |
| /** |
| * NotificationRankingManager is responsible for holding on to the most recent [RankingMap], and |
| * updating SystemUI's set of [NotificationEntry]s with their own ranking. It also sorts and filters |
| * a set of entries (but retains none of them). We also set buckets on the entries here since |
| * bucketing is tied closely to sorting. |
| * |
| * For the curious: this class is one iteration closer to null of what used to be called |
| * NotificationData.java. |
| */ |
| open class NotificationRankingManager @Inject constructor( |
| private val mediaManagerLazy: Lazy<NotificationMediaManager>, |
| private val groupManager: NotificationGroupManager, |
| private val headsUpManager: HeadsUpManager, |
| private val notifFilter: NotificationFilter, |
| private val notifLog: NotifLog, |
| sectionsFeatureManager: NotificationSectionsFeatureManager, |
| private val peopleNotificationIdentifier: PeopleNotificationIdentifier, |
| private val highPriorityProvider: HighPriorityProvider |
| ) { |
| |
| var rankingMap: RankingMap? = null |
| protected set |
| private val mediaManager by lazy { |
| mediaManagerLazy.get() |
| } |
| private val usePeopleFiltering: Boolean = sectionsFeatureManager.isFilteringEnabled() |
| private val rankingComparator: Comparator<NotificationEntry> = Comparator { a, b -> |
| val na = a.sbn |
| val nb = b.sbn |
| val aRank = a.ranking.rank |
| val bRank = b.ranking.rank |
| |
| val aIsPeople = a.isPeopleNotification() |
| val bIsPeople = b.isPeopleNotification() |
| |
| val aMedia = isImportantMedia(a) |
| val bMedia = isImportantMedia(b) |
| |
| val aSystemMax = a.isSystemMax() |
| val bSystemMax = b.isSystemMax() |
| |
| val aHeadsUp = a.isRowHeadsUp |
| val bHeadsUp = b.isRowHeadsUp |
| |
| val aIsHighPriority = a.isHighPriority() |
| val bIsHighPriority = b.isHighPriority() |
| |
| when { |
| usePeopleFiltering && aIsPeople != bIsPeople -> if (aIsPeople) -1 else 1 |
| aHeadsUp != bHeadsUp -> if (aHeadsUp) -1 else 1 |
| // Provide consistent ranking with headsUpManager |
| aHeadsUp -> headsUpManager.compare(a, b) |
| // Upsort current media notification. |
| aMedia != bMedia -> if (aMedia) -1 else 1 |
| // Upsort PRIORITY_MAX system notifications |
| aSystemMax != bSystemMax -> if (aSystemMax) -1 else 1 |
| aIsHighPriority != bIsHighPriority -> |
| -1 * aIsHighPriority.compareTo(bIsHighPriority) |
| aRank != bRank -> aRank - bRank |
| else -> nb.notification.`when`.compareTo(na.notification.`when`) |
| } |
| } |
| |
| private fun isImportantMedia(entry: NotificationEntry): Boolean { |
| val importance = entry.ranking.importance |
| return entry.key == mediaManager.mediaNotificationKey && importance > IMPORTANCE_MIN |
| } |
| |
| fun updateRanking( |
| newRankingMap: RankingMap?, |
| entries: Collection<NotificationEntry>, |
| reason: String |
| ): List<NotificationEntry> { |
| val eSeq = entries.asSequence() |
| |
| // TODO: may not be ideal to guard on null here, but this code is implementing exactly what |
| // NotificationData used to do |
| if (newRankingMap != null) { |
| rankingMap = newRankingMap |
| updateRankingForEntries(eSeq) |
| } |
| |
| val filtered: Sequence<NotificationEntry> |
| synchronized(this) { |
| filtered = filterAndSortLocked(eSeq, reason) |
| } |
| |
| return filtered.toList() |
| } |
| |
| /** Uses the [rankingComparator] to sort notifications which aren't filtered */ |
| private fun filterAndSortLocked( |
| entries: Sequence<NotificationEntry>, |
| reason: String |
| ): Sequence<NotificationEntry> { |
| notifLog.log(NotifEvent.FILTER_AND_SORT, reason) |
| |
| return entries.filter { !notifFilter.shouldFilterOut(it) } |
| .sortedWith(rankingComparator) |
| .map { |
| assignBucketForEntry(it) |
| it |
| } |
| } |
| |
| private fun assignBucketForEntry(entry: NotificationEntry) { |
| val isHeadsUp = entry.isRowHeadsUp |
| val isMedia = isImportantMedia(entry) |
| val isSystemMax = entry.isSystemMax() |
| setBucket(entry, isHeadsUp, isMedia, isSystemMax) |
| } |
| |
| private fun setBucket( |
| entry: NotificationEntry, |
| isHeadsUp: Boolean, |
| isMedia: Boolean, |
| isSystemMax: Boolean |
| ) { |
| if (usePeopleFiltering && entry.isPeopleNotification()) { |
| entry.bucket = BUCKET_PEOPLE |
| } else if (isHeadsUp || isMedia || isSystemMax || entry.isHighPriority()) { |
| entry.bucket = BUCKET_ALERTING |
| } else { |
| entry.bucket = BUCKET_SILENT |
| } |
| } |
| |
| private fun updateRankingForEntries(entries: Sequence<NotificationEntry>) { |
| rankingMap?.let { rankingMap -> |
| synchronized(entries) { |
| entries.forEach { entry -> |
| val newRanking = Ranking() |
| if (!rankingMap.getRanking(entry.key, newRanking)) { |
| return@forEach |
| } |
| entry.ranking = newRanking |
| |
| val oldSbn = entry.sbn.cloneLight() |
| val newOverrideGroupKey = newRanking.overrideGroupKey |
| if (!Objects.equals(oldSbn.overrideGroupKey, newOverrideGroupKey)) { |
| entry.sbn.overrideGroupKey = newOverrideGroupKey |
| // TODO: notify group manager here? |
| groupManager.onEntryUpdated(entry, oldSbn) |
| } |
| } |
| } |
| } |
| } |
| |
| private fun NotificationEntry.isPeopleNotification() = |
| sbn.isPeopleNotification() |
| private fun StatusBarNotification.isPeopleNotification() = |
| peopleNotificationIdentifier.isPeopleNotification(this) |
| |
| private fun NotificationEntry.isHighPriority() = |
| highPriorityProvider.isHighPriority(this) |
| } |
| |
| // Convenience functions |
| private fun NotificationEntry.isSystemMax(): Boolean { |
| return importance >= IMPORTANCE_HIGH && sbn.isSystemNotification() |
| } |
| |
| private fun StatusBarNotification.isSystemNotification(): Boolean { |
| return "android" == packageName || "com.android.systemui" == packageName |
| } |