1 /*
2  * Copyright (C) 2022 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.server.display.brightness.strategy;
18 
19 import android.hardware.display.DisplayManagerInternal;
20 import android.os.PowerManager;
21 
22 import com.android.server.display.DisplayBrightnessState;
23 import com.android.server.display.brightness.BrightnessReason;
24 import com.android.server.display.brightness.BrightnessUtils;
25 
26 /**
27  * Manages the brightness of the display when the system is in the ScreenOff state.
28  */
29 public class ScreenOffBrightnessStrategy implements DisplayBrightnessStrategy {
30     @Override
updateBrightness( DisplayManagerInternal.DisplayPowerRequest displayPowerRequest)31     public DisplayBrightnessState updateBrightness(
32             DisplayManagerInternal.DisplayPowerRequest displayPowerRequest) {
33         // Todo(b/241308599): Introduce a validator class and add validations before setting
34         // the brightness
35         return BrightnessUtils.constructDisplayBrightnessState(BrightnessReason.REASON_SCREEN_OFF,
36                 PowerManager.BRIGHTNESS_OFF_FLOAT,
37                 PowerManager.BRIGHTNESS_OFF_FLOAT, getName());
38     }
39 
40     @Override
getName()41     public String getName() {
42         return "ScreenOffBrightnessStrategy";
43     }
44 }
45