1 /* 2 * Copyright (C) 2023 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 18 package com.android.systemui.keyguard.ui.view.layout.sections 19 20 import android.content.Context 21 import android.view.View 22 import android.view.ViewGroup 23 import androidx.constraintlayout.widget.Barrier 24 import androidx.constraintlayout.widget.ConstraintLayout 25 import androidx.constraintlayout.widget.ConstraintSet 26 import androidx.constraintlayout.widget.ConstraintSet.BOTTOM 27 import androidx.constraintlayout.widget.ConstraintSet.TOP 28 import com.android.systemui.keyguard.shared.model.KeyguardSection 29 import com.android.systemui.res.R 30 import com.android.systemui.shade.NotificationPanelView 31 import com.android.systemui.statusbar.notification.stack.ui.view.SharedNotificationContainer 32 import com.android.systemui.statusbar.notification.stack.ui.viewbinder.SharedNotificationContainerBinder 33 import com.android.systemui.statusbar.notification.stack.ui.viewmodel.SharedNotificationContainerViewModel 34 import kotlinx.coroutines.DisposableHandle 35 36 abstract class NotificationStackScrollLayoutSection 37 constructor( 38 protected val context: Context, 39 private val notificationPanelView: NotificationPanelView, 40 private val sharedNotificationContainer: SharedNotificationContainer, 41 private val sharedNotificationContainerViewModel: SharedNotificationContainerViewModel, 42 private val sharedNotificationContainerBinder: SharedNotificationContainerBinder, 43 ) : KeyguardSection() { 44 private val placeHolderId = R.id.nssl_placeholder 45 private var disposableHandle: DisposableHandle? = null 46 47 /** 48 * Align the notification placeholder bottom to the top of either the lock icon or the ambient 49 * indication area, whichever is higher. 50 */ addNotificationPlaceholderBarriernull51 protected fun addNotificationPlaceholderBarrier(constraintSet: ConstraintSet) { 52 constraintSet.apply { 53 createBarrier( 54 R.id.nssl_placeholder_barrier_bottom, 55 Barrier.TOP, 56 0, 57 *intArrayOf(R.id.device_entry_icon_view, R.id.ambient_indication_container), 58 ) 59 connect(placeHolderId, BOTTOM, R.id.nssl_placeholder_barrier_bottom, TOP) 60 } 61 } 62 addViewsnull63 override fun addViews(constraintLayout: ConstraintLayout) { 64 // This moves the existing NSSL view to a different parent, as the controller is a 65 // singleton and recreating it has other bad side effects. 66 // In the SceneContainer, this is done by the NotificationSection composable. 67 notificationPanelView.findViewById<View?>(R.id.notification_stack_scroller)?.let { 68 (it.parent as ViewGroup).removeView(it) 69 sharedNotificationContainer.addNotificationStackScrollLayout(it) 70 } 71 72 val view = View(context, null).apply { id = placeHolderId } 73 constraintLayout.addView(view) 74 } 75 bindDatanull76 override fun bindData(constraintLayout: ConstraintLayout) { 77 disposableHandle?.dispose() 78 disposableHandle = 79 sharedNotificationContainerBinder.bind( 80 sharedNotificationContainer, 81 sharedNotificationContainerViewModel, 82 ) 83 } 84 removeViewsnull85 override fun removeViews(constraintLayout: ConstraintLayout) { 86 disposableHandle?.dispose() 87 disposableHandle = null 88 constraintLayout.removeView(placeHolderId) 89 } 90 } 91