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 com.android.server.display.DisplayBrightnessState;
20 import com.android.server.display.brightness.BrightnessReason;
21 import com.android.server.display.brightness.BrightnessUtils;
22 import com.android.server.display.brightness.StrategyExecutionRequest;
23 import com.android.server.display.brightness.StrategySelectionNotifyRequest;
24 
25 import java.io.PrintWriter;
26 
27 /**
28  * Manages the brightness of the display when the system brightness is overridden
29  */
30 public class OverrideBrightnessStrategy implements DisplayBrightnessStrategy {
31     @Override
updateBrightness( StrategyExecutionRequest strategyExecutionRequest)32     public DisplayBrightnessState updateBrightness(
33             StrategyExecutionRequest strategyExecutionRequest) {
34         // Todo(b/241308599): Introduce a validator class and add validations before setting
35         // the brightness
36         return BrightnessUtils.constructDisplayBrightnessState(BrightnessReason.REASON_OVERRIDE,
37                 strategyExecutionRequest.getDisplayPowerRequest().screenBrightnessOverride,
38                 strategyExecutionRequest.getDisplayPowerRequest()
39                         .screenBrightnessOverride, getName());
40     }
41 
42     @Override
getName()43     public String getName() {
44         return "OverrideBrightnessStrategy";
45     }
46 
47     @Override
dump(PrintWriter writer)48     public void dump(PrintWriter writer) {}
49 
50     @Override
strategySelectionPostProcessor( StrategySelectionNotifyRequest strategySelectionNotifyRequest)51     public void strategySelectionPostProcessor(
52             StrategySelectionNotifyRequest strategySelectionNotifyRequest) {
53         // DO NOTHING
54     }
55 
56     @Override
getReason()57     public int getReason() {
58         return BrightnessReason.REASON_OVERRIDE;
59     }
60 }
61