1 /*
2  * Copyright (C) 2020 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.render
18 
19 import android.view.View
20 import com.android.systemui.statusbar.notification.row.ExpandableView
21 import com.android.systemui.statusbar.notification.stack.NotificationListContainer
22 
23 /**
24  * Temporary wrapper around [NotificationListContainer], for use by [ShadeViewDiffer]. Long term,
25  * we should just modify NLC to implement the NodeController interface.
26  */
27 class RootNodeController(
28     private val listContainer: NotificationListContainer,
29     override val view: View
30 ) : NodeController {
31     override val nodeLabel: String = "<root>"
32 
33     override fun getChildAt(index: Int): View? {
34         return listContainer.getContainerChildAt(index)
35     }
36 
37     override fun getChildCount(): Int {
38         return listContainer.containerChildCount
39     }
40 
41     override fun addChildAt(child: NodeController, index: Int) {
42         listContainer.addContainerViewAt(child.view, index)
43     }
44 
45     override fun moveChildTo(child: NodeController, index: Int) {
46         listContainer.changeViewPosition(child.view as ExpandableView, index)
47     }
48 
49     override fun removeChild(child: NodeController, isTransfer: Boolean) {
50         if (isTransfer) {
51             listContainer.setChildTransferInProgress(true)
52         }
53         listContainer.removeContainerView(child.view)
54         if (isTransfer) {
55             listContainer.setChildTransferInProgress(false)
56         }
57     }
58 }
59