1 /* 2 * Copyright (C) 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.systemui.statusbar.notification.collection.coordinator 18 19 import com.android.systemui.plugins.statusbar.StatusBarStateController 20 import com.android.systemui.statusbar.StatusBarState 21 import com.android.systemui.statusbar.notification.collection.NotifPipeline 22 import com.android.systemui.statusbar.notification.collection.NotificationEntry 23 import com.android.systemui.statusbar.notification.collection.coordinator.dagger.CoordinatorScope 24 import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.NotifFilter 25 import com.android.systemui.statusbar.notification.collection.provider.SectionHeaderVisibilityProvider 26 import com.android.systemui.statusbar.notification.interruption.KeyguardNotificationVisibilityProvider 27 import javax.inject.Inject 28 29 /** 30 * Filters low priority and privacy-sensitive notifications from the lockscreen, and hides section 31 * headers on the lockscreen. If enabled, it will also track and hide seen notifications on the 32 * lockscreen. 33 */ 34 @CoordinatorScope 35 class KeyguardCoordinator 36 @Inject 37 constructor( 38 private val keyguardNotificationVisibilityProvider: KeyguardNotificationVisibilityProvider, 39 private val sectionHeaderVisibilityProvider: SectionHeaderVisibilityProvider, 40 private val statusBarStateController: StatusBarStateController, 41 ) : Coordinator { 42 attachnull43 override fun attach(pipeline: NotifPipeline) { 44 setupInvalidateNotifListCallbacks() 45 // Filter at the "finalize" stage so that views remain bound by PreparationCoordinator 46 pipeline.addFinalizeFilter(notifFilter) 47 keyguardNotificationVisibilityProvider.addOnStateChangedListener(::invalidateListFromFilter) 48 updateSectionHeadersVisibility() 49 } 50 51 private val notifFilter: NotifFilter = 52 object : NotifFilter(TAG) { shouldFilterOutnull53 override fun shouldFilterOut(entry: NotificationEntry, now: Long): Boolean = 54 keyguardNotificationVisibilityProvider.shouldHideNotification(entry) 55 } 56 57 // TODO(b/206118999): merge this class with SensitiveContentCoordinator which also depends on 58 // these same updates 59 private fun setupInvalidateNotifListCallbacks() {} 60 invalidateListFromFilternull61 private fun invalidateListFromFilter(reason: String) { 62 updateSectionHeadersVisibility() 63 notifFilter.invalidateList(reason) 64 } 65 updateSectionHeadersVisibilitynull66 private fun updateSectionHeadersVisibility() { 67 val onKeyguard = statusBarStateController.state == StatusBarState.KEYGUARD 68 val neverShowSections = sectionHeaderVisibilityProvider.neverShowSectionHeaders 69 val showSections = !onKeyguard && !neverShowSections 70 sectionHeaderVisibilityProvider.sectionHeadersVisible = showSections 71 } 72 73 companion object { 74 private const val TAG = "KeyguardCoordinator" 75 } 76 } 77