1 /*
2  * Copyright (C) 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
5  * except in compliance with the License. You may obtain a copy of the License at
6  *
7  *      http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software distributed under the
10  * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
11  * KIND, either express or implied. See the License for the specific language governing
12  * permissions and limitations under the License.
13  */
14 package com.android.car.developeroptions.display;
15 
16 import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE;
17 import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC;
18 import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL;
19 
20 import android.content.Context;
21 import android.provider.Settings;
22 import android.text.TextUtils;
23 
24 import com.android.car.developeroptions.R;
25 import com.android.car.developeroptions.core.TogglePreferenceController;
26 
27 
28 public class AutoBrightnessPreferenceController extends TogglePreferenceController {
29 
30     private final String SYSTEM_KEY = SCREEN_BRIGHTNESS_MODE;
31     private final int DEFAULT_VALUE = SCREEN_BRIGHTNESS_MODE_MANUAL;
32 
AutoBrightnessPreferenceController(Context context, String key)33     public AutoBrightnessPreferenceController(Context context, String key) {
34         super(context, key);
35     }
36 
37     @Override
isChecked()38     public boolean isChecked() {
39         return Settings.System.getInt(mContext.getContentResolver(),
40                 SYSTEM_KEY, DEFAULT_VALUE) != DEFAULT_VALUE;
41     }
42 
43     @Override
setChecked(boolean isChecked)44     public boolean setChecked(boolean isChecked) {
45         Settings.System.putInt(mContext.getContentResolver(), SYSTEM_KEY,
46                 isChecked ? SCREEN_BRIGHTNESS_MODE_AUTOMATIC : DEFAULT_VALUE);
47         return true;
48     }
49 
50     @Override
51     @AvailabilityStatus
getAvailabilityStatus()52     public int getAvailabilityStatus() {
53         return mContext.getResources().getBoolean(
54                 com.android.internal.R.bool.config_automatic_brightness_available)
55                 ? AVAILABLE
56                 : UNSUPPORTED_ON_DEVICE;
57     }
58 
59     @Override
isSliceable()60     public boolean isSliceable() {
61         return TextUtils.equals(getPreferenceKey(), "auto_brightness");
62     }
63 
64     @Override
getSummary()65     public CharSequence getSummary() {
66         return mContext.getText(isChecked()
67                 ? R.string.auto_brightness_summary_on
68                 : R.string.auto_brightness_summary_off);
69     }
70 }
71