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;
18 
19 import android.app.INotificationManager;
20 import android.app.Notification;
21 import android.app.NotificationChannel;
22 import android.content.Context;
23 import android.os.Bundle;
24 import android.os.RemoteException;
25 import android.os.UserHandle;
26 import android.text.TextUtils;
27 import android.util.Slog;
28 
29 import com.android.systemui.statusbar.notification.collection.NotificationEntry;
30 
31 /**
32  * Helps SystemUI create notification channels.
33  */
34 public class NotificationChannelHelper {
35     private static final String TAG = "NotificationChannelHelper";
36 
37     /** Creates a conversation channel based on the shortcut info or notification title. */
createConversationChannelIfNeeded( Context context, INotificationManager notificationManager, NotificationEntry entry, NotificationChannel channel)38     public static NotificationChannel createConversationChannelIfNeeded(
39             Context context,
40             INotificationManager notificationManager,
41             NotificationEntry entry,
42             NotificationChannel channel) {
43         if (!TextUtils.isEmpty(channel.getConversationId())) {
44             return channel;
45         }
46         final String conversationId = entry.getSbn().getShortcutId();
47         final String pkg = entry.getSbn().getPackageName();
48         final int appUid = entry.getSbn().getUid();
49         if (TextUtils.isEmpty(conversationId) || TextUtils.isEmpty(pkg)
50             || entry.getRanking().getShortcutInfo() == null) {
51             return channel;
52         }
53 
54         // If this channel is not already a customized conversation channel, create
55         // a custom channel
56         try {
57             channel.setName(getName(entry));
58             notificationManager.createConversationNotificationChannelForPackage(
59                     pkg, appUid, entry.getSbn().getKey(), channel,
60                     conversationId);
61             channel = notificationManager.getConversationNotificationChannel(
62                     context.getOpPackageName(), UserHandle.getUserId(appUid), pkg,
63                     channel.getId(), false, conversationId);
64         } catch (RemoteException e) {
65             Slog.e(TAG, "Could not create conversation channel", e);
66         }
67         return channel;
68     }
69 
getName(NotificationEntry entry)70     private static CharSequence getName(NotificationEntry entry) {
71         if (entry.getRanking().getShortcutInfo().getLabel() != null) {
72             return entry.getRanking().getShortcutInfo().getLabel().toString();
73         }
74         Bundle extras = entry.getSbn().getNotification().extras;
75         CharSequence nameString = extras.getCharSequence(Notification.EXTRA_CONVERSATION_TITLE);
76         if (TextUtils.isEmpty(nameString)) {
77             nameString = extras.getCharSequence(Notification.EXTRA_TITLE);
78         }
79         if (TextUtils.isEmpty(nameString)) {
80             nameString = "fallback";
81         }
82         return nameString;
83     }
84 }
85