1 /* 2 * Copyright (C) 2010 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.systemui.statusbar.policy; 18 19 import com.android.systemui.DemoMode; 20 import com.android.systemui.Dumpable; 21 import com.android.systemui.statusbar.policy.BatteryController.BatteryStateChangeCallback; 22 23 import java.io.FileDescriptor; 24 import java.io.PrintWriter; 25 26 public interface BatteryController extends DemoMode, Dumpable, 27 CallbackController<BatteryStateChangeCallback> { 28 /** 29 * Prints the current state of the {@link BatteryController} to the given {@link PrintWriter}. 30 */ 31 void dump(FileDescriptor fd, PrintWriter pw, String[] args); 32 33 /** 34 * Sets if the current device is in power save mode. 35 */ 36 void setPowerSaveMode(boolean powerSave); 37 38 /** 39 * Returns {@code true} if the device is currently in power save mode. 40 */ 41 boolean isPowerSave(); 42 43 /** 44 * Returns {@code true} if AOD was disabled by power saving policies. 45 */ 46 default boolean isAodPowerSave() { 47 return isPowerSave(); 48 } 49 50 /** 51 * A listener that will be notified whenever a change in battery level or power save mode 52 * has occurred. 53 */ 54 interface BatteryStateChangeCallback { 55 default void onBatteryLevelChanged(int level, boolean pluggedIn, boolean charging) {} 56 default void onPowerSaveChanged(boolean isPowerSave) {} 57 } 58 } 59
