1 /* 2 * Copyright (C) 2017 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.settings.display; 18 19 import android.os.PowerManager; 20 21 /** 22 * This class replicates a subset of the android.os.PowerManager. The class exists so that we can 23 * use a thin wrapper around the PowerManager in production code and a mock in tests. We cannot 24 * directly mock or shadow the PowerManager, because some of the methods we rely on are newer than 25 * the API version supported by Robolectric or are hidden. 26 */ 27 public class PowerManagerWrapper { 28 private final PowerManager mPowerManager; 29 30 public PowerManagerWrapper(PowerManager powerManager) { 31 mPowerManager = powerManager; 32 } 33 34 public int getMinimumScreenBrightnessSetting() { 35 return mPowerManager.getMinimumScreenBrightnessSetting(); 36 } 37 38 public int getMaximumScreenBrightnessSetting() { 39 return mPowerManager.getMaximumScreenBrightnessSetting(); 40 } 41 42 public int getMinimumScreenBrightnessForVrSetting() { 43 return mPowerManager.getMinimumScreenBrightnessForVrSetting(); 44 } 45 46 public int getMaximumScreenBrightnessForVrSetting() { 47 return mPowerManager.getMaximumScreenBrightnessForVrSetting(); 48 } 49 } 50