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.textclassifier.Log
20 import com.android.systemui.dagger.SysUISingleton
21 import com.android.systemui.statusbar.notification.collection.ListEntry
22 import com.android.systemui.statusbar.notification.collection.NotificationEntry
23 import javax.inject.Inject
24 
25 /**
26  * The ViewBarn is just a map from [ListEntry] to an instance of a [NodeController].
27  */
28 @SysUISingleton
29 class NotifViewBarn @Inject constructor() {
30     private val rowMap = mutableMapOf<String, NotifViewController>()
31 
32     fun requireNodeController(entry: ListEntry): NodeController {
33         if (DEBUG) {
34             Log.d(TAG, "requireNodeController: ${entry.key}")
35         }
36         return rowMap[entry.key] ?: error("No view has been registered for entry: ${entry.key}")
37     }
38 
39     fun requireGroupController(entry: NotificationEntry): NotifGroupController {
40         if (DEBUG) {
41             Log.d(TAG, "requireGroupController: ${entry.key}")
42         }
43         return rowMap[entry.key] ?: error("No view has been registered for entry: ${entry.key}")
44     }
45 
46     fun requireRowController(entry: NotificationEntry): NotifRowController {
47         if (DEBUG) {
48             Log.d(TAG, "requireRowController: ${entry.key}")
49         }
50         return rowMap[entry.key] ?: error("No view has been registered for entry: ${entry.key}")
51     }
52 
53     fun registerViewForEntry(entry: ListEntry, controller: NotifViewController) {
54         if (DEBUG) {
55             Log.d(TAG, "registerViewForEntry: ${entry.key}")
56         }
57         rowMap[entry.key] = controller
58     }
59 
60     fun removeViewForEntry(entry: ListEntry) {
61         if (DEBUG) {
62             Log.d(TAG, "removeViewForEntry: ${entry.key}")
63         }
64         rowMap.remove(entry.key)
65     }
66 }
67 
68 private const val TAG = "NotifViewBarn"
69 
70 private const val DEBUG = false