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.os.PowerManager; 20 21 import com.android.server.display.DisplayBrightnessState; 22 import com.android.server.display.brightness.BrightnessReason; 23 import com.android.server.display.brightness.BrightnessUtils; 24 import com.android.server.display.brightness.StrategyExecutionRequest; 25 import com.android.server.display.brightness.StrategySelectionNotifyRequest; 26 27 import java.io.PrintWriter; 28 29 /** 30 * Manages the brightness of the display when the system is in the invalid state. 31 */ 32 public class InvalidBrightnessStrategy implements DisplayBrightnessStrategy { 33 @Override updateBrightness( StrategyExecutionRequest strategyExecutionRequest)34 public DisplayBrightnessState updateBrightness( 35 StrategyExecutionRequest strategyExecutionRequest) { 36 return BrightnessUtils.constructDisplayBrightnessState(BrightnessReason.REASON_UNKNOWN, 37 PowerManager.BRIGHTNESS_INVALID_FLOAT, getName()); 38 } 39 40 @Override getName()41 public String getName() { 42 return DisplayBrightnessStrategyConstants.INVALID_BRIGHTNESS_STRATEGY_NAME; 43 } 44 45 @Override dump(PrintWriter writer)46 public void dump(PrintWriter writer) {} 47 48 @Override strategySelectionPostProcessor( StrategySelectionNotifyRequest strategySelectionNotifyRequest)49 public void strategySelectionPostProcessor( 50 StrategySelectionNotifyRequest strategySelectionNotifyRequest) { 51 // DO NOTHING 52 } 53 54 @Override getReason()55 public int getReason() { 56 return BrightnessReason.REASON_UNKNOWN; 57 } 58 } 59