1 /*
2  * Copyright (C) 2010 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;
18 
19 import android.app.Notification;
20 import android.content.Context;
21 import android.content.res.Configuration;
22 import android.os.Bundle;
23 
24 import androidx.annotation.NonNull;
25 
26 import java.io.FileDescriptor;
27 import java.io.PrintWriter;
28 
29 /**
30  * A top-level module of system UI code (sometimes called "system UI services" elsewhere in code).
31  * Which SystemUI modules are loaded can be controlled via a config resource.
32  *
33  * @see SystemUIApplication#startServicesIfNeeded()
34  */
35 public abstract class SystemUI implements Dumpable {
36     protected final Context mContext;
37 
SystemUI(Context context)38     public SystemUI(Context context) {
39         mContext = context;
40     }
41 
start()42     public abstract void start();
43 
onConfigurationChanged(Configuration newConfig)44     protected void onConfigurationChanged(Configuration newConfig) {
45     }
46 
47     @Override
dump(@onNull FileDescriptor fd, @NonNull PrintWriter pw, @NonNull String[] args)48     public void dump(@NonNull FileDescriptor fd, @NonNull PrintWriter pw, @NonNull String[] args) {
49     }
50 
onBootCompleted()51     protected void onBootCompleted() {
52     }
53 
overrideNotificationAppName(Context context, Notification.Builder n, boolean system)54     public static void overrideNotificationAppName(Context context, Notification.Builder n,
55             boolean system) {
56         final Bundle extras = new Bundle();
57         String appName = system
58                 ? context.getString(com.android.internal.R.string.notification_app_name_system)
59                 : context.getString(com.android.internal.R.string.notification_app_name_settings);
60         extras.putString(Notification.EXTRA_SUBSTITUTE_APP_NAME, appName);
61 
62         n.addExtras(extras);
63     }
64 }
65