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 com.android.internal.annotations.VisibleForTesting; 20 21 /** 22 * Handles acquisition and release of wake locks relating to call state. 23 */ 24 @VisibleForTesting 25 public class InCallWakeLockController extends CallsManagerListenerBase { 26 27 private final TelecomWakeLock mTelecomWakeLock; 28 private final CallsManager mCallsManager; 29 30 @VisibleForTesting InCallWakeLockController(TelecomWakeLock telecomWakeLock, CallsManager callsManager)31 public InCallWakeLockController(TelecomWakeLock telecomWakeLock, CallsManager callsManager) { 32 mCallsManager = callsManager; 33 34 mTelecomWakeLock = telecomWakeLock; 35 mTelecomWakeLock.setReferenceCounted(false); 36 } 37 38 @Override onCallAdded(Call call)39 public void onCallAdded(Call call) { 40 if (call.isExternalCall()) { 41 return; 42 } 43 handleWakeLock(); 44 } 45 46 @Override onCallRemoved(Call call)47 public void onCallRemoved(Call call) { 48 if (call.isExternalCall()) { 49 return; 50 } 51 handleWakeLock(); 52 } 53 54 @Override onCallStateChanged(Call call, int oldState, int newState)55 public void onCallStateChanged(Call call, int oldState, int newState) { 56 if (call.isExternalCall()) { 57 return; 58 } 59 handleWakeLock(); 60 } 61 handleWakeLock()62 private void handleWakeLock() { 63 // We grab a full lock as long as there exists a ringing call. 64 Call ringingCall = mCallsManager.getRingingCall(); 65 if (ringingCall != null) { 66 mTelecomWakeLock.acquire(); 67 Log.i(this, "Acquiring full wake lock"); 68 } else { 69 mTelecomWakeLock.release(0); 70 Log.i(this, "Releasing full wake lock"); 71 } 72 } 73 } 74