1 /*
2  * Copyright (C) 2018 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.settings.display;
18 
19 import android.content.Context;
20 import android.hardware.display.ColorDisplayManager;
21 
22 import androidx.preference.Preference;
23 import androidx.preference.PreferenceScreen;
24 
25 import com.android.settings.core.BasePreferenceController;
26 
27 public class NightDisplayCustomStartTimePreferenceController extends BasePreferenceController {
28 
29     private ColorDisplayManager mColorDisplayManager;
30     private NightDisplayTimeFormatter mTimeFormatter;
31 
NightDisplayCustomStartTimePreferenceController(Context context, String key)32     public NightDisplayCustomStartTimePreferenceController(Context context, String key) {
33         super(context, key);
34 
35         mColorDisplayManager = context.getSystemService(ColorDisplayManager.class);
36         mTimeFormatter = new NightDisplayTimeFormatter(context);
37     }
38 
39     @Override
getAvailabilityStatus()40     public int getAvailabilityStatus() {
41         return ColorDisplayManager.isNightDisplayAvailable(mContext) ? AVAILABLE
42                 : UNSUPPORTED_ON_DEVICE;
43     }
44 
45     @Override
displayPreference(PreferenceScreen screen)46     public void displayPreference(PreferenceScreen screen) {
47         super.displayPreference(screen);
48         final Preference preference = screen.findPreference(getPreferenceKey());
49         updateState(preference);
50     }
51 
52     @Override
updateState(Preference preference)53     public final void updateState(Preference preference) {
54         preference
55                 .setVisible(mColorDisplayManager.getNightDisplayAutoMode()
56                         == ColorDisplayManager.AUTO_MODE_CUSTOM_TIME);
57         preference.setSummary(mTimeFormatter.getFormattedTimeString(
58                 mColorDisplayManager.getNightDisplayCustomStartTime()));
59     }
60 }
61