1 /* 2 * Copyright (C) 2025 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 package com.android.systemui.lowlightclock 17 18 import android.text.TextUtils 19 import android.util.Log 20 import com.android.systemui.dagger.qualifiers.Background 21 import com.android.systemui.shared.condition.Condition 22 import com.android.systemui.statusbar.commandline.Command 23 import com.android.systemui.statusbar.commandline.CommandRegistry 24 import java.io.PrintWriter 25 import javax.inject.Inject 26 import kotlinx.coroutines.CoroutineScope 27 28 /** 29 * This condition registers for and fulfills cmd shell commands to force a device into or out of 30 * low-light conditions. 31 */ 32 class ForceLowLightCondition 33 @Inject 34 constructor(@Background scope: CoroutineScope, commandRegistry: CommandRegistry) : 35 Condition(scope, null, true) { 36 /** 37 * Default Constructor. 38 * 39 * @param commandRegistry command registry to register commands with. 40 */ 41 init { 42 if (DEBUG) { 43 Log.d(TAG, "registering commands") 44 } <lambda>null45 commandRegistry.registerCommand(COMMAND_ROOT) { 46 object : Command { 47 override fun execute(pw: PrintWriter, args: List<String>) { 48 if (args.size != 1) { 49 pw.println("no command specified") 50 help(pw) 51 return 52 } 53 54 val cmd = args[0] 55 56 if (TextUtils.equals(cmd, COMMAND_ENABLE_LOW_LIGHT)) { 57 logAndPrint(pw, "forcing low light") 58 updateCondition(true) 59 } else if (TextUtils.equals(cmd, COMMAND_DISABLE_LOW_LIGHT)) { 60 logAndPrint(pw, "forcing to not enter low light") 61 updateCondition(false) 62 } else if (TextUtils.equals(cmd, COMMAND_CLEAR_LOW_LIGHT)) { 63 logAndPrint(pw, "clearing any forced low light") 64 clearCondition() 65 } else { 66 pw.println("invalid command") 67 help(pw) 68 } 69 } 70 71 override fun help(pw: PrintWriter) { 72 pw.println("Usage: adb shell cmd statusbar low-light <cmd>") 73 pw.println("Supported commands:") 74 pw.println(" - enable") 75 pw.println(" forces device into low-light") 76 pw.println(" - disable") 77 pw.println(" forces device to not enter low-light") 78 pw.println(" - clear") 79 pw.println(" clears any previously forced state") 80 } 81 82 private fun logAndPrint(pw: PrintWriter, message: String) { 83 pw.println(message) 84 if (DEBUG) { 85 Log.d(TAG, message) 86 } 87 } 88 } 89 } 90 } 91 startnull92 override suspend fun start() {} 93 stopnull94 override fun stop() {} 95 96 override val startStrategy: Int 97 get() = START_EAGERLY 98 99 companion object { 100 /** Command root */ 101 const val COMMAND_ROOT: String = "low-light" 102 103 /** Command for forcing device into low light. */ 104 const val COMMAND_ENABLE_LOW_LIGHT: String = "enable" 105 106 /** Command for preventing a device from entering low light. */ 107 const val COMMAND_DISABLE_LOW_LIGHT: String = "disable" 108 109 /** Command for clearing previously forced low-light conditions. */ 110 const val COMMAND_CLEAR_LOW_LIGHT: String = "clear" 111 112 private const val TAG = "ForceLowLightCondition" 113 private val DEBUG = Log.isLoggable(TAG, Log.DEBUG) 114 } 115 } 116