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.fuelgauge; 18 19 import android.content.BroadcastReceiver; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.content.IntentFilter; 23 import android.os.BatteryManager; 24 import android.os.PowerManager; 25 import android.util.Log; 26 27 public class BatterySaverReceiver extends BroadcastReceiver { 28 private static final String TAG = "BatterySaverReceiver"; 29 private static final boolean DEBUG = false; 30 private boolean mRegistered; 31 private Context mContext; 32 private BatterySaverListener mBatterySaverListener; 33 34 public BatterySaverReceiver(Context context) { 35 mContext = context; 36 } 37 38 @Override 39 public void onReceive(Context context, Intent intent) { 40 if (DEBUG) Log.d(TAG, "Received " + intent.getAction()); 41 String action = intent.getAction(); 42 if (PowerManager.ACTION_POWER_SAVE_MODE_CHANGING.equals(action)) { 43 if (mBatterySaverListener != null) { 44 mBatterySaverListener.onPowerSaveModeChanged(); 45 } 46 } else if (Intent.ACTION_BATTERY_CHANGED.equals(action)) { 47 // disable BSM switch if phone is plugged in 48 if (mBatterySaverListener != null) { 49 final boolean pluggedIn = intent.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0) != 0; 50 mBatterySaverListener.onBatteryChanged(pluggedIn); 51 } 52 } 53 } 54 55 public void setListening(boolean listening) { 56 if (listening && !mRegistered) { 57 final IntentFilter ifilter = new IntentFilter(); 58 ifilter.addAction(PowerManager.ACTION_POWER_SAVE_MODE_CHANGING); 59 ifilter.addAction(Intent.ACTION_BATTERY_CHANGED); 60 mContext.registerReceiver(this, ifilter); 61 mRegistered = true; 62 } else if (!listening && mRegistered) { 63 mContext.unregisterReceiver(this); 64 mRegistered = false; 65 } 66 } 67 68 public void setBatterySaverListener(BatterySaverListener lsn) { 69 mBatterySaverListener = lsn; 70 } 71 72 public interface BatterySaverListener { 73 void onPowerSaveModeChanged(); 74 void onBatteryChanged(boolean pluggedIn); 75 } 76 } 77
