1 /* 2 * Copyright (C) 2014 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.telecom; 18 19 import android.content.Context; 20 import android.os.PowerManager; 21 22 import com.android.internal.annotations.VisibleForTesting; 23 24 /** 25 * This class manages the proximity sensor and allows callers to turn it on and off. 26 */ 27 public class ProximitySensorManager extends CallsManagerListenerBase { 28 29 private final CallsManager mCallsManager; 30 private final TelecomWakeLock mTelecomWakeLock; 31 ProximitySensorManager(TelecomWakeLock telecomWakeLock, CallsManager callsManager)32 public ProximitySensorManager(TelecomWakeLock telecomWakeLock, CallsManager callsManager) { 33 34 mTelecomWakeLock = telecomWakeLock; 35 mCallsManager = callsManager; 36 Log.d(this, "onCreate: mProximityWakeLock: ", mTelecomWakeLock); 37 } 38 39 @Override onCallRemoved(Call call)40 public void onCallRemoved(Call call) { 41 if (call.isExternalCall()) { 42 return; 43 } 44 if (mCallsManager.getCalls().isEmpty()) { 45 Log.i(this, "All calls removed, resetting proximity sensor to default state"); 46 turnOff(true); 47 } 48 super.onCallRemoved(call); 49 } 50 51 /** 52 * Turn the proximity sensor on. 53 */ 54 @VisibleForTesting turnOn()55 public void turnOn() { 56 if (mCallsManager.getCalls().isEmpty()) { 57 Log.w(this, "Asking to turn on prox sensor without a call? I don't think so."); 58 return; 59 } 60 61 mTelecomWakeLock.acquire(); 62 } 63 64 /** 65 * Turn the proximity sensor off. 66 * @param screenOnImmediately 67 */ 68 @VisibleForTesting turnOff(boolean screenOnImmediately)69 public void turnOff(boolean screenOnImmediately) { 70 int flags = (screenOnImmediately ? 0 : PowerManager.RELEASE_FLAG_WAIT_FOR_NO_PROXIMITY); 71 mTelecomWakeLock.release(flags); 72 } 73 } 74